1. No category

Wall-mounted condensing boiler
with domestic hot water
storage tank
S.C HABITAT & SERVICE INSTALATII S.R.L
str. Biharia nr.67-77, sector 1, Bucuresti, ROMANIA
reparatiicentrale.com.ro
Dispecerat Non Stop
Tel.: 0729 983 578
Disp.Non-Stop: 0729.983.578
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VICTRIX ZEUS Superior kW I
VICTRIX ZEUS Superior kW I
Disp.Non-Stop: 0729.983.578
http://reparatiicentrale.com.ro
Technical Documentation
Technical Documentation
VICTRIX ZEUS Superior 26-32 kW I
Wall-mounted, fan-assisted condensing boiler
with domestic hot water storage tank
VICTRIX ZEUS Superior 26 kW I
VICTRIX ZEUS Superior 32 kW I
General features.
VICTRIX ZEUS Superior kW I is a wall-mounted, sealed
chamber, fan-assisted generator (type C) for central heating and
the production of domestic hot water with storage tank.
The VICTRIX ZEUS Superior kW I range are type-approved
for installation outside the building in a partially protected
place.
N.B.: A partially protected location is one in which the appliance
is not exposed to the direct action of the weather (rain, snow,
hail, etc..).
The boiler can also be installed in the B23 configuration using
the relevant kit (optional).
The appliance is available with useful heat output of 21.0
kW(25.8 kW in DHW mode) and 32 kW which, thanks to
condensing technology, distinguishes itself due to its high
efficiency and large field of modulation (from 20 % to 100 %
of the nominal heat output).
The boiler has a total premix combustion system that guarantees particularly reduced pollutant emissions and allows
functioning with natural gas or LPG.
Adjustment and control are entrusted to an integrated P.C.B.
with micro processor with continuous flame modulation by
means of 3 sensors (1 DHW and 2 CH).
The new electronics allows the connection of the appliance
to the Comando Amico Remoto remote control and to the
Super Comando Amico Remoto remote control; both allow
to easily manage and check the boiler at a distance. Moreover,
the Super CAR allows the display of the relative humidity of
the room and the weather forecast.
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Using the Super CAR it is possible to indifferently vary some
settings from the boiler control panel and from the Super CAR
control panel, such as: selection of Summer Winter, DHW set
point, DHW comfort status, Reset.
The boiler has an anti-freeze safety device as per standard
that protects it to a minimum temperature of -5°C (optional
to -15°C).
The hydraulic circuit has a water-gas heat exchanger with
coil in STAINLESS STEEL and uses the new hydraulic unit
composite material which, as well as the pump and electric
3-way valve that according to necessity allow boiler water
to circulate in the CH system or in the storage tank coil for
the production of DHW, also houses the hydraulic control
devices (absolute system pressure switch, 3 bar safety valve, system
adjustable by-pass, etc...).
The boiler functioning parameters are set using the buttons
and knobs while display of the status, functioning mode and
anomalies takes place on the back-lit digital display.
The VICTRIX ZEUS Superior kW I boiler must be installed
using the intake/exhaust kits or the ducting systems (Ø 60 mm
rigid, Ø 80 mm rigid and Ø 80 mm flexible) realised in plastic
and designed expressly for Immergas condensing boilers.
1
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VICTRIX ZEUS Superior kW I main components and connections.
Key:
V - Electric connection
G - Gas supply
SC - Condensate drain (minimum internal diameter
Ø 13 mm)
R - System return
M - System flow
RC - Domestic hot water pump (optional)
AC - Domestic hot water outlet
AF - Domestic hot water inlet
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Height (mm)
Width (mm)
Depth (mm)
900
600
466
GAS
G
1/2”
2
CONNECTIONS
DOMESTIC
SYSTEM
HOT WATER
AC
AF
R
M
1/2”
1/2”
3/4”
3/4”
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VICTRIX ZEUS Superior kW I control panel.
Key:
- Stand-by - On Button
A - Summer ( ) and winter ( ) functioning mode selection
button
B - Domestic hot water priority button ( )
C - (RESET) / menu exit (ESC) reset button
D - Menu entry button (MENU)/ data confirmation (OK)
1 - Domestic hot water temperature selector switch
2 - Domestic hot water temperature set
3 - Central heating water temperature selector switch
4 - Central heating temperature set
5 - Anomaly presence
6 - Display of boiler functioning status
8 - Flame presence symbol and relative power scale
9 and 7- Primary heat exchanger output water temperature
10 - Boiler in Stand-by
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11 - Boiler connected to remote control (Optional)
12 - Functioning in summer mode
13 - Anti-freeze function in progress.
14 - Functioning in winter mode
15 - Functioning with DHW priority active
16 - Connection to external tools for technician
17 - Display of menu items
18 - Functioning with external temperature probe active
19 - Display of data confirmation or menu access
20 and 7- External temperature display
with external probe connected (optional)
21 - Display of reset or exit menu request
22 - Chimney sweep function in progress
23 - Boiler manometer
24 - Multifunction display
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VICTRIX ZEUS Superior kW I main components.
Key:
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27 -
28 -
29 -
30 -
31 -
System filling valve
Condensate drain trap
System draining valve
Gas valve
Three-way valve (motorised)
3 bar safety valve
System pressure switch
Boiler pump
Air vent valve
Fan
Gas nozzle
Venturi
Detection electrode
Condensation module
Flue safety thermostat
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Air intake pipe
Sample points (air A) - (flue F)
Negative signal pressure point
Burner
Positive signal pressure point
Manual air vent valve
Ignition electrodes
System expansion vessel
Delivery probe
Safety thermostat
Domestic hot water probe
D.H.W. expansion vessel
Return probe
Stainless steel storage tank
8 bar safety valve
Storage tank unit draining valve
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VICTRIX ZEUS Superior kW I hydraulic diagram.
Key:
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27 -
28 -
29 -
30 -
31 -
32 -
33 -
34 -
35 -
36 -
37 -
38 -
39 -
Condensate drain trap
Stainless steel coil for storage tank
Magnesium anode
Stainless steel storage tank
Gas valve
Gas valve outlet pressure point (P3)
Air/gas Venturi manifold
Fan
Gas nozzle
Detection electrode
Flue safety thermostat
Air intake pipe
Condensation module
Manual air vent valve
Flue hood
Air sample point
∆p gas pressure point
Flue sample point
Flow probe
Safety thermostat
Burner
Ignition electrodes
Condensation module cover
Venturi negative sign (P2)
Venturi positive sign (P2)
Return probe
System expansion vessel
Boiler pump
Adjustable by-pass
System pressure switch
System draining valve
3-way valve (motorised)
Domestic hot water probe
3 bar safety valve
System filling valve
Domestic hot water expansion vessel
8 bar safety valve
Cold water inlet non-return valve
Storage tank drain cock
G - Gas supply
SC - Condensate drain (minimum internal diameter Ø 13 mm)
AC - Domestic hot water outlet
AF - Domestic cold water inlet
R - System return
M - System flow
The hot water used for central heating and domestic hot water
is produced via a primary and a secondary circuit (DHW)
which are affected according to necessity.
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Primary circuit (boiler circuit).
The primary circuit, with relative control and safety devices,
is started every time there is a central heating or domestic
hot water request.
(32), which depending on request, allows flow towards the
system flow (M) and return (R) pipes or causes diversion
towards the coil (2).
Operation (see hydraulic diagram).
Head-flow rate graphics.
The progress of the curve that represents the flow rate-head ratio
available to the system, depends on the functioning speed of the
pump and adjustment of the system by-pass which, according
to the position, allows to set greater or less head on he system.
The graphs below show the characteristic curves.
The heat contained in the combustion products is absorbed
by the pipes of the water-gas primary heat exchanger with
coil (13) which then gives the heat up to the water made to
circulate inside the boiler pump (28).
The water is introduced directly into the system or can be
diverted inside the storage tank coil (2).
This depends on the position of the motorised 3-way valve
D B
F
Head (m H2O)
Head (kPa)
VICTRIX ZEUS Superior 26 kW I
A
C
E
Flow rate Litres/h
C
B
F
Head (m H2O)
Head (kPa)
VICTRIX ZEUS Superior 32 kW I
A
D
E
Flow rate Litres/h
A = Head available to the system on the third speed with by-pass excluded (adjustment screws tightened fully home)
B = Head available to the system on the second speed with by-pass excluded (adjustment screws tightened fully home)
C = Head available to the system on the first speed with by-pass excluded (adjustment screws tightened fully home)
D = Total head available to the plant on the third speed (screws tightened by 1.5 revs with respect to the completely loose adjustment screws).
E = Total head available to the plant on the second speed (screws tightened by 1.5 revs with respect to the completely loose adjustment screws).
F = Total head available to the plant on the first speed (screws tightened by 1.5 revs with respect to the completely loose adjustment screws).
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Boiler pump (1).
Operates on the primary circuit return immediately after the
3-way valve to which it is connected. It is part of the integrated
multifunction unit realised in composite material.
The pump leaves the factory with the speed set at "AUTO".
This means that the pump functions at three variable speed
in a way to keep the temperature difference between flow and
return constant.
There is a seat on the body where the automatic air vent valve
(2) is housed.
2
Primary heat exchanger
(condensation module).
1
It is formed by a casing that contains 4 (version 26 kW) and 5
(version 32 kW) coil-shaped elements.
Each element is made up from 5 elliptical spirals (3).
The entire module is realised in stainless steel and its internal
part makes up the sealed combustion chamber and the condensation chamber (2).
VICTRIX ZEUS Superior 26 kW I.
The first three elements are affected directly by the action of
the cylindrical burner applied to the front, while the fourth is
arranged in the condensation chamber, which is separated from
the combustion chamber by sheet steel (see flue circuit).
To reduce head losses to a minimum and increase the flow rate
available to the system, the flow is made up from the parallel
connection of the first two elements, the return instead, is made
up from the parallel connection of the last two elements.
VICTRIX ZEUS Superior 32 kW I.
The first four elements are affected directly by the action of
the cylindrical burner applied to the front, while the fifth is
arranged in the condensation chamber, which is separated from
the combustion chamber by sheet steel (see flue circuit).
To reduce head losses to a minimum and increase the flow
rate available to the system, the flow is made up from the
parallel connection of the first three elements, the return,
instead is made up from the parallel connection of the last
two elements.
For both versions, the heat exchanger inlet is connected to
the pump flow and the outlet, on which the NTC central
heating probe is positioned (1), is connected to the primary
circuit flow.
The primary circuit return and flow pipes are coupled using
threaded fittings with flat gasket.
The flue hood (4) is connected to the rear using a relevant
gasket blocked by a metal ring.
The condensate drain is also found in the lower part.
To ease the escape of any air bubbles still present in the coils,
there is a manual air vent in the upper part of the module
(5).
4
COMBUSTION
PRODUCTS
5
3
2
1
FLOW
RETURN
CONDENSATE
DRAIN
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Motorised 3-way valve.
It is an electric 3-way valve operating on he primary circuit
return that allows, according to request o (DHW or CH),
to introduce boiler water into the CH system or the storage
tank coil.
This depends on the position of the shutter (5) which, closes
the passage towards the system opening it at the same time
towards the storage tank (DHW position) or vice versa (CH
position).
The shutter (5) is moved into both positions by powering the
motor (1).
The hydraulic part is made up from a group of composite
material (2) that also integrates the pump and is put into
action thanks to a motor (1) that causes movement according
to necessity.
Flow
Pump
Storage tank
coil
return
Operation.
When it is necessary to reach the CH or DHW position, the
motor (1) is activated by the P.C.B.
Functioning of the motor leads to the movement of the shutter
(5) at every 180° rotation and compresses (CH position) or leaves (DHW position) the shutter contrast spring to release (4).
Both the spring (4) and the shutter (5) are situated inside the
3-way cartridge (3).
The hydraulic arrival at the requested position alternatively
causes the opening and closure of one of the two end run micro
switches (6) organised inside the motor box (1).
This allows to remove voltage to the motor blocking it in the
position reached and to enable motor functioning only in the
presence of a different request (DHW or CH signal).
System
Return
PUMP
RETURN
COIL RETURN
SYSTEM
RETURN
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Safety devices and controls.
System adjustable by-pass (2).
Guarantees the circulation of water in the primary circuit
(between flow and return) also when the high resistance of the
system does not allow it.
It is mounted on the flow manifold unit (1) and can be adjusted by a screw that can be accessed from the lower part of the
valve support plate.
System filing unit (3).
It is a ball valve positioned between the boiler circuit and the
domestic cold water inlet that allows to pressurise the CH
system.
The valve is connected to a filling fitting (4), which is then
connected to the motorised 3-way valve unit.
Flow
System
4
6
System pressure switch (5).
Detects the pressure inside the primary circuit.
Its seat is in the flow manifold unit (1) and is coupled to a
micro switch that prevents functioning of the burner when
the pressure detected is below 0.3 bar.
Prevents overheating of the main heat exchanger.
3
Automatic air vent valve (6).
Allows the automatic expulsion of the gaseous substances that
may be present in the boiler circuit.
It is mounted on the pump flow directly on the hydraulic
unit.
3 bar safety valve (7).
Prevents the safety pressure in the primary circuit from being
exceeded (3 bar).
It is engaged in the front part of the flow manifold unit (1)
and is fixed onto the external side using a clip.
Its intervention causes water to escape from the flow pipe.
System expansion vessel (8).
It compensates the volume variation consequent to heating
the water, thus limiting the pressure variations.
It has a capacity of 10 litres (useful 7.1 litres) and a factory-set
pressure of 1.0 bar.
It is positioned in front of the storage tank in the area in front
of the appliance.
8
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GIM Multifunction Integrated Unit.
9
8
6
7
2
3
1
10
14
4
5
11
15
12
13
By-pass cartridge replacement.
To replace the by-pass cartridge, loosen the relevant 2 screws
(12) that fix the cartridge body (11) to the flow manifold
(10).
N.B.: when re-mounting the by-pass cartridge body pay particular attention not to damage the gasket.
Before replacing the various components present on the GIM
unit, the water present inside the primary circuit must be
drained by opening the system draining valve (15).
Before draining, ensure that the system filling valve is closed.
Three-way valve cartridge replacement.
To replace the 3-way cartridge (1) slide the blocking clip out
(2) and extract the small electric motor (3) and then unscrew
the screw fasteners (4) that fix the cartridge (1) to the composite body (6).
N.B.: when re-mounting the cartridge, pay particular attention to correctly insert the two small sheet steel reinforcement
plates (5).
3 bar safety valve replacement.
To replace the 3 bar safety valve (13) slide the relative blocking
clip out.
N.B.: when re-mounting the 3 bar valve, pay particular attention to insert the relative OR gasket correctly.
System pressure switch replacement.
To replace the system pressure switch (14) the relative blocking
clip must be removed.
N.B.: when re-mounting the system pressure switch, pay particular attention to insert the relative OR gasket correctly.
Pump motor replacement.
To replace the pump body, remove the 4 screws (8) that fix the
motor (7) to the composite body (6).
Replacement of the automatic air vent valve.
To replace the air vent valve, the relative blocking clip must
be removed and the valve extracted (9) paying attention not
to damage the relative OR gasket.
N.B.: when re-mounting the air vent valve, pay particular
attention to insert the relative OR gasket correctly.
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Secondary circuit (domestic hot water circuit).
The DHW circuit is affected every time it is necessary to take
the temperature of the water contained in the storage tank to
the desired temperature (2) and is measures using the DHW
NTC probe (9).
This can take place in the case of a domestic hot water withdrawal or to restore the losses due to heat loss.
The CH phase is excluded in this phase over which the production of DHW has priority.
Operation.
Following a DHW request, the P.C.B. starts the boiler pump
(7) and powers the electric 3-way valve motor (8).
The consequent shifting of the valve into the DHW position
(see electric 3-way valve functioning) leads to the closure of the
system return pipe (R) and the simultaneous opening of the
passage towards the storage tank coil (4).
In this way circulation inside the CH system is prevented,
while it is allowed in the coil (4) which allows the cold water
to absorb the heat contained in the primary circuit water
through its walls.
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Storage tank.
It is a 54 litre stainless steel storage tank with coil (useful 51
litres) and insulated using self-extinguishing polystyrene.
It has an external casing enclosed in the lower part by a flange
fixed using 12 screws.
A stainless steel double concentric coil is inserted in a pipe
(4) (coil) that passes through the entire height of the storage
tank and through the walls of which heat exchange takes place
between the hot water in the primary circuit and the water
contained in the storage tank.
This allows to keep the storage tank water at a constant temperature and in the presence of a withdrawal guaranteed the
instant production of DHW.
If necessary, it is possible to extract the coil from the storage
tank after having removed the lower inspection flange.
Its regular functioning and its integrity are guaranteed by the
following devices:
DHW expansion vessel (11).
It compensates the volume variation consequent of heating of
the water contained in the storage tank.
It is connected to the safety valve unit and has a capacity of 2
litres with factory-set pressure of 3.5 bar.
Anode (1).
It is inserted into the storage tank and protects it from the
action of galvanic currents.
Coil flow
1
4
It is screwed onto the lower flange.
Polyphosphate dispenser (optional).
Prevents the deposit of lime scale on the walls of the coil.
This kit is mounted at the inlet of the domestic cold water.
Coil
Return
9
Pump kit (optional).
Allows to connect the pipes of any DHW pump system.
It consists in a pipe that is inserted in the boiler after the anode
and relative cap have been removed.
With the installation of the kit the anode must be screwed to
the end of the pipe.
A further kit is available (optional) including (pumpe) for the
DHW circulation system.
The kit is installed within the clearance of the boiler and the
pump projects slightly below the appliances lower plastic
grid.
Hot
water
outlet
10
13
12
DHW NTC probe (B2) (9).
It allows the P.C.B. to detect the temperature of the water
contained in the storage tank.
It is fixed to the external wall of the storage tank and is inserted
inside an immersion sample point.
Cold
water
inlet
11
Safety valve unit (13).
It is a unit situated in the lower part of the storage tank in
correspondence of the domestic cold water inlet.
As well as an 8 bar valve (10) that prevents the safety pressure
in the storage tank from being exceeded, it includes:
- a filter, a 10 l/min flow limiter (26 kW version) and 14 l/min
(32 kW), a storage tank draining valve with hose union fitting
(12) and a one-way valve (see hydraulic circuit part. “5”) to
prevent the consequent pressure increase due to heating of
the DHW causes return towards the water network.
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Air-gas circuit.
Gas valve.
The gas valve is equipped with two main coils controlled by
the electric circuit and with a pneumatic unit that modulates
the outlet gas pressure in 1:1 ratio to the pressure (P1) detected
on the inlet of the Venturi pipe.
The calibration of the ratio between the air and gas pressures
are carried out on the valve (off-set) (see gas regulations).
Electric coils (4).
There are two ON-OFF coils that are powered (24 V DC) by
an integrated P.C.B. when the burner must be ignited.
They are connected in series and powered by a voltage of 24
V through a connection connector (3).
Pneumatic unit (2).
Allows to vary the outlet pressure in 1:1 ratio with the pressure
(P1) detected at the inlet of the Venturi pipe that is taken back
to the valve using a small silicone pipe (1).
Thanks to this system, the percentages in the air-gas mixture
are maintained constant at optimal values on the entire range
of modulation, thus guaranteeing a more or less constant
combustion efficiency.
The air-gas ratio calibration can be performed using the off-set
adjusting screw (2).
This is necessary only when, after having performed flue
analysis, incorrect combustion parameter values are detected
(see air-gas ratio regulation).
The circuit consists of a total premix combustion system composed of a fan (5), a pneumatic gas valve (7), a Venturi pipe
(3) and a special cylindrical burner (8) that operates inside the
condensation module.
Operation.
The fan (5) is controlled by the integrated P.C.B. that varies
its speed depending on the output requested.
Its functioning allows to withdraw combustion agent air from
outside of the sealed chamber and introduce it into a pipe
where a Venturi pipe is inserted (3).
At the inlet to the Venturi (3) there is a positive pressure signal
(P1) variable in a directly proportional manner to the amount
of air taken in by the fan (5) and which is detected by a pressure
point connected to the pneumatic gas valve (7).
The electric power supply of the valve main coils causes both
internal shutters to open and allows the passage of gas, whose
outlet pressure is regulated by the same pneumatic valve in a
1:1 ratio to pressure “P1”.
The gas is injected at the entry of the Venturi pipes (3) through a nozzle (4), where the premix starts with the combustion
agent air.
The mixture obtained in this way is ignited on the surface
of the cylindrical burner (8) by the discharge of the ignition
electrodes (9).
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1
2
3
13
4
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Fan.
Operates upstream from the combustion chamber and is
positioned under the condensation module.
It is controlled by the integrated P.C.B. with a positive square
wave signal with variable ON-OFF (duty-cycle) ratio.
Its speed is adjusted (from about 1100 to about5100 rpm)
depending on the power requested and is controlled using a
sensor with Hall effect, which detects the number of revs.
The fan withdraws the combustion agent air through a plastic
pipe (1), which contributes to reducing the noise and optimises
burner ignition.
The variation of the air flow rate that is introduced into the
mixing pipe, leads to the change of the pressure signal (P1) at
the inlet of the Venturi pipe and allows the pneumatic valve
to regulate the pressure of the outlet gas.
1
Venturi.
IThe Venturi pipe (1) is inserted into a sealed pipe, inside which
the combustion agent air and the gas are mixed.
The air is introduced by the fan in the lower area of the pipe,
while the gas exiting the valve is injected by a nozzle (2) in
correspondence with the Venturi pipe inlet (1).
The passage of air in the pipe creates a depression (“Venturi
effect”) which, through the 4 holes (3) present at its base, allow
to “drag” the gas inside and to mix it with the air.
The nozzle (2) has a different diameter depending on whether
natural gas or LPG is used as, working with both gases with
more or less constant pressure, its section establishes the correct
gas flow rate.
There are two pressure points at the ends of the Venturi pipe,
used to detect the inlet (P1) and outlet (P2) signals.
Using two small silicon pipes, these signals are taken respectively to the pneumatic gas valve, which must regulate the gas
pressure and to the negative pressure point (P2) arranged in
the upper part of the sealed chamber.
AIR
4
5
Burner.
It is a cylindrical burner (5) made up from 2 concentric sheet
steel sections, appropriately perforated and built using special
steel that is particularly resistant to high temperatures and
corrosion.
It is inserted inside the condensation module, in a sealed
combustion chamber closed by a flange (4) onto which the
burner is fixed, which in the meantime guarantees its direct
connection to the air-gas mixing pipe (6).
The premixing, the lack of secondary air and the construction
features of the burner ensure high combustion efficiency and
particularly reduced pollutant emissions (see technical data
depending on the model).
The material's high resistance to temperature, allows to work
with a very low flame at a minimum power of:
VICTRIX ZEUS Superior 26 kW I = 4.7 kW (4,042 kcal/h)
(20 % of the nominal output).
VICTRIX ZEUS Superior 32 kW I = 6.9 kW (5,934 kcal/h)
(20 % of the nominal output).
Ignition takes place by means of an integrated P.C.B. that
controls the ignition (7) and detection electrodes (9).
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1
8
9
7
2
6
3
GAS
14
P1
P2
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Ignition electrodes (7).
They are controlled by an igniter (activated by the integrated
P.C.B.) that causes an electrical spark between the two electrodes on which, on contact, the air-gas mixture ignites.
The electrode (8) has no ceramic insulation and is connected
directly to earth (blind electrode).
They are positioned on the right side of the burner and fixed
onto the flange (4) of the same.
Note: If the igniter must be replaced, for correct connection
of the ignition electrodes, follow the lay-out given below
(otherwise no discharge is obtained).
AIR
4
Detection electrode (9).
It is controlled by the integrated P.C.B. and detected burner
ignition.
It also acts as a flue safety device when any air intake problems
or problems with the evacuation of combustion products make
the burner function below minimum output.
In this case the flame block due to no detection by the electrode.
In order to protect the combustion circuit, the same type of
block prevents the module from filling with water when there
is difficulty draining condensate (trap blocked, etc).
It is fixed onto the left side of the burner flange (4).
Note:In the case of ignition block, check the distances of the
ignition and detection electrodes keeping to the heights stated
in the figure below.
1
5
8
9
7
2
6
3
P1
P2
GAS
IGNITER DRAWING
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Disassembly of combustion circuit main components.
3
4
2
3
1
7
9
15
13
12
11
6
8
14
5
A
10
16
A
17
18
19
23
24
9
25
7
26
26
21
20
26
22
Before disassembling the components, make sure the gas cock
is closed.
and of the condensate discharge pipe positioned in the lower
part of the module. Loosen the two screws (7) and (9) that fix
the condensation module to the support back using brackets
and sheet steel. Loosen the screws (2) positioned above the flue
hood and push the stub pipe down (4) in a way to release the
flue hood from the flange with sample points.
N.B.: when restoring the connection between the flue hood
and flange with sample points, check the status of the two
flue gaskets (3).
Gas nozzle replacement (19).
Loosen the gas pipe (16) in order to access the gas nozzle (19)
positioned at the entry of the Venturi pipe, then replace it with
the gas nozzle that has the suitable diameter for the type of gas
(see gas transformation).
N.B.: on re-assembly of the nozzle (19), pay particular attention to the correct positioning of the gas gasket.
Important: in the 32 kW model functioning with natural
gas (G20) the gas nozzle (19) is not present and must not be
installed.
Flue hood disassembly from the condensation module.
Loosen the three nuts (26) that fix the flue hood to the rear
of the condensation module (8) and then separate the hood
from the module.
N.B.: when restoring the connection between flue hood and
module, pay particular attention to the correct positioning of
the lip gasket (6) and the containment gasket (5).
Burner disassembly (10).
Loosen the gas pipe (16) and unscrew the two screws (21)
that fix the manifold to the fan, then loosen the 6 blind nuts
(15) that block the gas manifold flange to the condensation
module (8). To replace the burner graphite gasket (11) loosen
the 4 screws (24).
N.B.: on re-mounting the burner/manifold unit, pay particular
attention to the correct positioning of the cord packing (23),
gas gasket (25), gas pipe gasket (16) and gasket between fan
flange and gas manifold (13).
Disassembly and replacement of ignition and detection
electrodes.
Loosen the two fixing screws on the ignition electrodes unit
(22). Loosen the two fixing screws on the detection electrode
(14).
N.B.: when re-mounting the detection electrodes be sure to
remount the gasket correctly. For the detection electrode be
sure to re-mount the OR gasket. For both electrodes scrupulously follow the minimum heights stated in the drawing in
the page at the side.
Disassembly of the condensation module (8) and flue
hood (1).
Before carrying out the operation drain off all water present
inside the module.
Loosen the tightening bolts on the system flow and return pipes
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Air-gas adjustments.
The calibration of the total premix combustion system, when
necessary, envisions the adjustment of the nominal heat output
and the air-gas ratio (off-set).
The two operations are only normally requested after a gas
transformation, after extraordinary maintenance (replacement
of a component of the air-gas circuit, replacement of the integrated
P.C.B. etc.) or when the appliance is not calibrated.
N.B.: The nominal output must also be adjusted during
the initial check.
Adjustment of nominal and minimum heat
output.
The availability of maximum output is linked to the length of
the intake and exhaust pipes which, increasing, slightly reduces
the amount (flow rate) of inlet air and consequently also la
pressure of the burnt gas.
The boiler is calibrated as per standard for functioning with
a Ø60/100 horizontal concentric kit with length of 1m and
therefore the use of the flue kit with greater head losses requires a check and possible adjustment of the nominal output
according to the table give below.
Below find the default settings present on the boiler (length
1 m):
P1
VICTRIX ZEUS Superior 26 kW I
G20:
GPL:
SPEED MAX.
5060 (rpm)
4400 (rpm)
G20:
GPL:
MIN SPEED
1240 (rpm)
1440 (rpm)
MAX. CEN.
G20:
GPL:
HEAT.
4700 (rpm)
4100 (rpm)
MIN. CEN.
G20:
GPL:
HEAT.
1240 (rpm)
1140 (rpm)
P2
mode until a pressure value is obtained (P1-P2) corresponding to the nominal output.
- to modify the maximum number of fan revs. enter the
"Configurations" menu and inside the “BOILER PAR."
item, modify the value of the "MAX VEL" parameter as
stated in the heat output adjustment table, until the pressure
value (P1-P2) corresponding to the maximum heat output
is obtained.
- N.B.: for the 26 kW version, the maximum number of
revs. in CH mode is lower than the absolute maximum
speed.
- to modify the maximum number of fan revs. in CH mode,
enter the "Configurations" menu and inside the "BOILER
PAR." item modify the value of the "MAX CH" parameter
as stated in the heat output adjustment table, until a pressure
value is obtained (P1-P2) that corresponds to the maximum
output in CH mode.
VICTRIX ZEUS Superior 32 kW I
G20:
GPL:
SPEED MAX.
4700 (rpm)
4200 (rpm)
G20:
GPL:
MIN SPEED
1260 (rpm)
1160 (rpm)
MAX. CEN.
G20:
GPL:
HEAT.
4700 (rpm)
4200 (rpm)
MIN. CEN.
G20:
GPL:
HEAT.
1260 (rpm)
1160 (rpm)
The operation must be performed as follows and with respect
to the values stated in the heat output adjustment table:
- connect a differential manometer to the pressure points P1
(positive point) and P2 (negative point) found in the upper
part of the sealed chamber (in this way the pressure difference
at the ends of the Venturi pipes (P1-P2) is detected and a pressure
signal is measured that corresponds to the real flow rate of the
air-gas mixture at the burner).
- start the boiler in the chimney sweep phase by pressing key
"C" and then check maximum fan speed (with burner ignited);
- after about 5 minutes check and, if necessary, modify the
maximum number of fan revs. in CH mode and in DHW
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Regulation of the air-gas ratio (off-set).
The correct regulation of the air-gas ratio (1:1) takes place
in the factory and must be retouched only when carbon
dioxide (CO2) values are detected in the fumes that are
not optimal.
With this scope, during the initial check or following extraordinary maintenance interventions, flue analysis must be
performed at maximum heat output and minimum heat
output, which attests the goodness of the combustion in
reference to the values indicated in the table below:
VICTRIX ZEUS Superior 26 kW I
CO2 at nominal output
(central heating)
CO2 at minimum output
(central heating)
G 20
9.40% ± 0,2
8.90% ± 0,2
G 30
12.10% ± 0,2
11.80% ± 0,2
G 31
10.70% ± 0,2
10.20% ± 0,2
Key:
1 - Gas valve inlet pressure point
2 - Gas valve outlet pressure point
3 - Off-Set adjustment screw
12- Outlet gas flow rate adjuster
VICTRIX ZEUS Superior 32 kW I
CO2 at nominal output
(central heating)
CO2 at minimum output
(central heating)
G 20
9.40% ± 0,2
8.90% ± 0,2
G 30
12.30% ± 0,2
11.90% ± 0,2
G 31
10.50% ± 0,2
10.30% ± 0,2
decreases, by turning in an anti-clockwise direction, it increases.
Gas transformation.
The adaptation to the type of gas different to that for which
the boilers are prepared as per standard is performed using the
relevant kit (methane or LPG).
The transformation consists in the replacement of the gas nozzle positioned in correspondence with the inlet of the Venturi
pipe and adjustment of the maximum heat output (see nominal
and minimum heat output regulation).
Finally, check the carbon dioxide value (CO2) at maximum
and minimum power output which must be corrected if
necessary by regulating the off-set signal (see air-gas ration
regulation).
To carry out the control correctly and, if necessary, regulate
the air-gas ratio, proceed as follows:
VK 8115 gas valve
Calibration of the minimum CO2.
- start the boiler in chimney sweep functioning mode without
withdrawing DHW and adjust the C.H. temperature selector, present on the control panel, to minimum.
- withdraw the combustion products by inserting the analyser
probe fully home.
- check whether the value of carbon dioxide (CO2) is within
the limits indicated in the table regarding the minimum heat
output (see table);
- if the values are incorrect, take them within the limits by
acting on the off-set adjusting screws (3) of the gas valve.
By turning in a clockwise direction the CO2 value decreases,
by turning in an anti-clockwise direction, it increases.
Calibration of the maximum CO2.
- take the C.H. temperature selector, present on the control
panel, to maximum and check the correspondence of the
carbon dioxide (CO2) value measured with that indicated
in the table regarding the nominal heat output (see table).
- if the values are incorrect, take them within the limits by
acting on the gas flow rate adjusting screws (12) of the gas
valve. By turning in a clockwise direction the CO2 value
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Flue circuit.
Flue exhaust
1
13
12
Gas
Air
10
Condensate Drain
Operation.
The functioning of the fan positioned at the entry of the airgas mixing pipe, guarantees the fan-assisted expulsion of the
combustion products (5).
These directly hit the first three elements (26 kW) or 4 (32
kW) of the primary heat exchanger inserted in the sealed
combustion chamber (6), which has a sheet steel section on
its base (7) that divides it from the condensation chamber (2)
and diverts the flow of combustion products to the outside
of the module.
In this way the flue gases, before entering the condensation
chamber (2), hit the fourth (26 kW) or 5th (32 kW) element
(3) of the heat exchanger inside which primary circuit return
water runs.
This cools the combustion products further and makes their
condensation easier before escape from the flue hood (1).
The water condensate formed inside the heat exchanger, in
the flue hood and also in the evacuation pipes flows into the
lower part of the module from where, before being discharged,
is conveyed into a trap (4). Any water formed in the intake
pipes is collected in a valley gutter (13) and by means of a
silicone pipe (10) is conveyed into the siphon (4) to then be
drained away.
4
11
A flue safety thermostat is inserted onto the condensation
module (12), to protect the flue hood (1) and which intervenes
when the temperature detected on the condensation module
exceeds 110 °C.
Condensate drain trap (4).
Collects the condensate that forms during boiler functioning
from the bottom of the module.
Its outlet is connected to the draining pipe (11) towards which
the passage of water is allowed but not the passage of combustion products, which could occur following obstruction of
the evacuation pipes.
The height of the column of water in the siphon is in fact
greater than the pressure detected inside the sealed chamber
(module) with the fan at maximum speed and the evacuation
pipes blocked at functioning limits.
This, however, prevents the draining of combustion products
into the sewers.
On commissioning combustion products may escape from
the exhaust pipe (11), which disappear after a few minutes
of functioning when the condensate has reached a sufficient
height. If this should take too long, fill the siphon with water
manually (4).
Flue hood (1).
It is connected to the rear part of the condensation module
and conveys the combustion products towards the drain fitting
present in the upper part of the appliance.
It is affected by the passage of combustion products and water
condensate formed inside it or in the exhaust pipes.
It is constructed in plastic, resistant to the corrosive effects of
the condensate and can work to a temperature of 130 °C (max.
flue temp with flow 85 °C = 78 °C).
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Intake and exhaust systems.
(see intake and exhaust terminals instructions).
The VICTRIX ZEUS Superior kW I boiler is prepared for
connection to the appropriate snap-fit intake/exhaust pipes
and can be installed inside the home or outside the home
or outside of the home (in a partially protected place) in the
following configurations:
Outdoor (in partially protected place):
- with sealed chamber and fan-assisted circulation with direct
intake using an appropriate top cover kit (optional) mandatory;
- with sealed chamber and fan-assisted circulation (type C)
using the vertical or horizontal concentric kits, keeping the
lateral plugs without the obligation to use the top cover
kit.
Indoor:
- open chamber and fan-assisted circulation (type B23) using
an appropriate top cover kit (optional) mandatory;
- with sealed chamber and fan-assisted circulation (type C)
using the vertical or horizontal concentric kits or the Ø 80/80
separator kit.
For that regarding the head losses relative to each accessory,
for the various combinations that can be performed, see the
instructions relative to the intake and exhaust terminals
(boiler instruction book).
The generators with condensation technology must be installed
using the specific series of intake and exhaust pipes, which
have been designed to be coupled exclusively to the Immergas
condensing boiler.
The “GREEN SERIES” flue kit is made in plastic (PPS = selfextinguishing polypropylene) suitable for resisting the corrosive
action of the acid condensate.
A
1
2
3
Exhaust.
The 80 mm diameter exhaust pipe fitting is obtained using the
flange (2) used in the divided systems.
The use of relevant accessories allows horizontal (A) or vertical
(B) exhaust.
To prevent condensate problems, the exhaust pipe must be
limited to 30 straight metres
Configuration with sealed chamber and fanassisted circulation with direct intake for installation outdoors in a partially protected place
(see figure at the side).
Configuration with open chamber and fanassisted circulation (type B23) for indoor installation (see figure above).
Using a relevant cover (1) to position on the upper part of the
sealed chamber, it is possible to install the boiler outdoors in
partially protected places.
The previously-described cover kit is used.
By removing the plug (3) present in the upper part of the sealed
chamber, air intake takes place directly in the environment
where the boiler is installed.
Flue exhaust takes place through the specific pipes with diameter of 80 in an individual flue or directly to the outside.
Intake.
Assembly of the cover (1) envisions the removal of the plug
(3) positioned to close the hole present in the upper part of
the sealed chamber.
Combustion air intake takes place directly from the environment, making use of the free space between the lower part of
the cover (1) and the upper part of the boiler.
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Configuration with sealed chamber and fanassisted circulation (type C).
Exhaust.
60/100 push-fitting horizontal concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place using a 90º bend (2),
which can be turned in all directions and by using necessary
extensions can be connected to the relevant intake and exhaust
terminal (3).
The maximum total length allowed beyond the first bend (2)
is 12.9 straight horizontal metres.
The connection to the flue exhaust pipes takes place using a
flange (2) or a flanged curve to fix to the fitting (4) present on
the upper part of the sealed chamber, placing a shaped gasket
between them (1).
The flange differs according whether the divided or concentric
system is used.
In the first case the passage for intake of the combustion agent
air (5) is closed while in the second case it is made use of.
2
Intake.
Using the divided system, connection to the intake pipes takes
place in the same way as the exhaust pipes, being connected
to the hole with diameter of 80 mm (3) present in the upper
part of the sealed chamber.
If co-axial pipes are used, intake takes place by making use of
the concentric hole outside of the exhaust fitting (5).
3
4
5
1
Intake and exhaust kit.
The kits with relative accessories allow the use of two concentric systems, one divided system and three specific systems for
ducting (Ø 60 rigid, Ø 80 rigid or Ø 80 flexible).
For that regarding the head losses relative to each accessory,
for the various combinations that can be performed, see the
instructions relative to the intake and exhaust terminals
(see boiler instruction book).
Coupling between the various accessories (bends, extensions,
terminals) is the push-fitting type and sealing is assured by
relevant silicon lip seals gaskets in EPDM peroxide resistant
to the action of the condensate.
4
60/100 push-fitting vertical concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place with a 60/100 concentric
flange (2) which, by means of the necessary extensions, is
connected to the relevant 60/100 intake and exhaust terminal
with aluminium tile (4).
The maximum length allowed is 14.4 straight vertical metres.
5
2
5
1
7
4
6
3
3
2
1
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Push-fitting separator kit 80/80.
The intake and exhaust pipes (6 and 9) are both in PPS and
have a diameter of 80mm.
Connections to the boiler take place using the two appropriate
flanges that allow exhaust (4) from the central fitting and
intake (3) from one of the two lateral holes with respect to
the central one.
The maximum length allowed (intake+ exhaust) is 36 straight
horizontal metres and 41 straight vertical metres.
5
9
6
7
5
7
System for ducting 60 rigid.
It is a kit that allows ducting Ø 60 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit a 90° bend (5) to the appliance exhaust pipe which, using
the necessary vertical extensions (2), must be connected to the
relevant exhaust terminal (1).
Coupling of the various accessories envisions, as well as fitting
with gaskets in EPDM peroxide, also fastening using pipe
clamps (4).
These must be alternated with clips with spacer fins (3), which
allow centring of the exhaust pipe inside the old flue.
The system can be inspected through the hatch (6) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust)
with intake grid, the maximum length allowed is 22 straight
vertical metres.
8
A
B
4
3
1
2
1
2
3
2
4
6
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System for ducting 80 rigid.
It is a kit that allows ducting Ø 80 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit a 90° bend (5) to the appliance exhaust pipe which, using
the necessary vertical extensions (2), must be connected to the
relevant exhaust terminal (1).
Coupling of the various accessories envisions, as well as fitting
with gaskets in EPDM peroxide, also fastening using pipe
clamps (4).
These must be alternated with clips with spacer fins (3), which
allow centring of the exhaust pipe inside the old flue.
The system can be inspected through the hatch (6) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust)
with intake grid, the maximum length allowed is 30 straight
vertical metres.
System for ducting 80 flexible.
It is a kit that allows ducting Ø 80 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit an 87° bend (4) to the appliance exhaust pipe which, using
the necessary vertical extensions (3), must be connected to the
relevant exhaust terminal (1).
Remember to insert a spacer with fins every now and again
(2), which allows the centring of the exhaust pipe inside the
old flue.
The system can be inspected through the hatch (5) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust
+ two variations of the vertical tract) with intake grid, the maximum length allowed is 30 straight vertical metres.
1
1
2
3
2
2
3
4
2
4
6
5
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Electric circuit.
Pink
Orange
White
Black
Red
Blue
Black
Black
White
White
Blue
Brown
Black
Black
Blue
Blue
White
White
Grey
Grey
DHW white
CH red
Common black
Black
Purple
White
Blue
Brown
Blue
Brown
Storage tank
function
jumper
ZONES CONTROL
UNIT (Optional)
IMG BUS
CONNECTION
CAR or Super
CAR remote
control (Optional)
Brown
Blue
Power supply
230 vac
50HZ
N° OF FAN
REVS.
Key:
A4
B1
B2
B4
B5
CAR
-
-
-
-
-
-
CZ
E1
E2
E4
E6
-
-
-
-
-
F1
G2
M1
M20
M30
S5
S20
Super CAR
Display board
Flow probe
Domestic hot water probe
External probe (optional)
Return probe
Comando Amico Remoto remote control
(optional)
Zones control unit (optional)
Ignition electrodes
Detection electrode
Safety thermostat
Flue safety thermostat
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Line fuse
Igniter
Boiler pump
Fan
Three-way valve
System pressure switch
Room thermostat (optional)
SUPER Comando Amico Remoto remote control
(optional)
- Voltage transformer
- Room thermostat jumper
- Gas valve
The control and safety devices partly operate at network voltage
(230 V AC) and partly at low voltage.
The electric circuit of the VICTRIX ZEUS Superior kW I is
completely interlocked to a P.C.B. with integrated microprocessor, which controls the functions of the generator.
STVZSkW ed 09/08
T1
X40
Y1
-
-
-
-
-
-
-
-
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230 V AC circuit.
Safety devices and controls.
Detection electrode
(E2)
Line fuse
(F1)
It detects burner ignition from where the flame is hit.
It is connected to the detection circuit of the integrated P.C.B.
It cuts off the power supply to the circuit when the current absorbed
exceeds 3.15A.
It is inserted onto the integrated P.C.B.
Fuse
3.15 AF 250 V
Loads.
Igniter
(G2)
It is controlled by the integrated P.C.B. when burner ignition is requested.
It makes the ignition spark.
It is placed on the left side of the condensation module.
Ignition electrodes
(E1)
They are controlled by the igniter that causes an electric spark between their ends and on
the contact with which the air-gas mix ignites.
Boiler pump
(M1)
It is powered by the integrated P.C.B. when there is a DHW, CH or anti-freeze request.
Allows circulation in the primary circuit.
Integrated P.C.B.
The board is always powered independently from the position of the button
tegrated P.C.B. functioning).
Three-way valve
(M30)
It allows the diversion of the water flow of the primary circuit from the CH system to the
storage tank coil and vice versa.
It is powered by the integrated P.C.B.
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Low voltage circuit.
Safety devices and controls.
Comando Amico Remoto
remote control
(CAR) (optional)
Allows long distance control of the generator (SUM/WIN selector
switch, temperature adjustment and indication, alarms display, reset,
etc.) and acts as weekly timer thermostat.
If the CAR is installed the pre-existing X40 jumper must be eliminated.
See Comando
Amico Remoto
remote control
functioning
(CAR)
System pressure switch
(S5)
When the pressure of the boiler circuit is below 0.3 bar it determines
burner switch-off.
Contact in
Shut-off
Zones control unit (CZ)
(external optional)
Allows boiler functioning with 3 zone valves o external pumps
controlled by the respective room thermostats.
Zone 1 is controlled (times and temperatures) by means of the remote
control (if mounted), on which the pump anti-blocking and postcirculation, anti-freeze, chimney sweep functions etc. take place.
See zones control
unit functioning
External probe
(B4) (optional)
Detects the external temperature and allows the integrated P.C.B.
to vary the flow temperature depending on the external temperature.
PTC probe
1 kΩ 25 °C
Flow probe
(B1)
Allows the integrated P.C.B. to detect the temperature of the primary circuit flow water.
Its breakage (signalled by relative anomaly) blocks burner functioning
both in central heating and domestic hot water modes.
It is positioned at the outlet of the main heat exchanger.
NTC probe
10 kΩ 25 °C
Return probe
(B5)
It allows the integrated P.C.B. to detect the temperature of the
primary circuit return water.
Its breakage (signalled by the relative anomaly) forces pump functioning t maximum speed (if pump speed is set on "AUTO").
It is positioned at the inlet of the main heat exchanger.
NTC probe
10 kΩ 25 °C
Domestic hot
water probe
(B2)
It allows the integrated P.C.B. to detect the temperature of the
exiting domestic hot water.
Its breakage (signalled by relative anomaly) allows the boiler to
continue working in the central heating mode.
It is inserted into a hole made on the outside wall of the boiler to
which it is fixed.
NTC probe
10 kΩ 25 °C
Super CAR
(optional)
Allows long distance control of the generator (SUM/WIN functioning, temperature adjustment and indication, programs and
parameters setting alarms display, reset, etc.) and acts as weekly timer
thermostat.
If the Super CAR is installed the pre-existing X40 jumper must
be eliminated.
See Super CAR
functioning
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Room thermostat (S20)
(external optional)
Enables functioning in CH mode when the room temperature is
below that requested.
If the CAR or Super CAR is installed, the room thermostat must
be disconnected without restoring the pre-existing jumper X40.
Contact in
Shut-off
Safety thermostat
(E4)
When the safety temperature is exceeded (100 °C) remove the
power supply to the main coils of the gas valve.
It is positioned on the flow pipe at the outlet of the primary heat
exchanger.
Klixon thermostat
with normally
closed contact
Flue safety thermostat
(E6)
When the flue safety temperature is exceeded (110 °C) remove the
power supply to the main coils of the gas valve.
It is positioned on the condensation module.
Klixon thermostat
with normally
closed contact
Loads.
Display board
(A4)
IMG BUS outlet
Gas valve (Y1)
(main coils)
Fan
(M20)
STVZSkW ed 09/08
Buttons and selector switches can be used to RESET the boiler, set, modify and memorise
boiler functioning values.
By means of the display and according to the buttons selected it is possible to display the
functioning values and error codes that have intervened on the boiler.
It allows the connection of electronic devices e.g. the Immergas Virgilio Palmtop.
It is powered (24 V DC) by the integrated P.C.B. when burner ignition is necessary.
Allows the passage of gas to the burner.
Guarantees the flow of air in the sealed chamber and the escape of combustion products.
It is powered by the integrated P.C.B.
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Electric circuit.
CH mode.
CIRCUIT EXTRA-LOW VOLTAGE CIRCUIT
Super CAR
(Optional)
LOGIC-CONTROLS MICROPROCESSOR
Central heating
Domestic hot water
ZONES
CONTROL
UNIT (Optional)
IMG BUS
connection
RELAY BOARD (Optional)
Connection for VIRGILIO
palmtop
Microprocessor
programming connector
Storage tank
function
jumper
Operating with room thermostat.
Operation with Remote Control.
By pressing the main button ( )boiler activation is enabled.
(Winter) functioning,
By using the button (A) to select
functioning in the CH mode is enabled.
On closure of the room thermostat contact (S20) and if the
system pressure switch contact (S5) is closed (pressure detected
in the primary circuit higher than minimum value) the integrated
P.C.B. powers the pump (M1) by means of relay K2, at maximum speed by means of relay K5, after which, by diversion
of the K4 relay contact it powers the motor (M) of the 3-way
valve (M30). This functions until the end run switch "1" opens
when the CH position is reached.
If the temperature detected by the NTC flow probe (B1) is
below the setting made on the control panel using the CH
temperature selector switch, the integrated P.C.B. powers the
fan (M20) and manages the speed.
With the consent of the safety thermostat (E4) and the flue
safety thermostat (E6) and the fan (M20) reaching the "validate ignition" speed, the integrated P.C.B. allows to start the
ignition cycle by controlling, first the ignition electrodes (E1)
by means of the K7 igniter relay and then the K3 request relay,
both the coils of the gas valve (Y1).
The ignition of the burner is detected by the integrated P.C.B.
by means of the ionisation electrode (E2).
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In the case of connection to the CAR or Super CAR remote
control, the boiler automatically detects the display and the
( ) symbol appears on the display.
If the conditions detected by the remote control (CAR or Super
CAR) require ignition in CH mode (CAR SUM/WIN selector
switch in WINTER position or Super CAR button functioning
(Winter), CH temperature adjustment higher than that detected
by the central heating flow probe (B1), requested by the hourly
programmer, room temperature adjustment higher than that detected), the P.C.B. powers the boiler pump (M1) by means of the
relay K2 and ignition takes place as described previously.
N.B.: By pressing the main switch ( ) and taking the boiler
into Stand-by, the CAR will show the "CON" connection error
symbol and the "ERR>CM" error will appear on the Super
CAR. The remote control is kept powered without losing the
memorised programs.
N.B.: Every time switch off occurs when temperature is
reached, the integrated P.C.B. blocks burner functioning in
CH mode for a period of time equal to that set with board
parameters (see integrated P.C.B. functioning).
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Electric circuit.
DHW mode.
CIRCUIT EXTRA-LOW VOLTAGE CIRCUIT
Super CAR
(Optional)
LOGIC-CONTROLS MICROPROCESSOR
Central heating
Domestic hot water
ZONES
CONTROL
UNIT (Optional)
IMG BUS
connection
RELAY BOARD (Optional)
Connection for VIRGILIO
palmtop
Microprocessor programming
connector
Storage tank
function
jumper
Operation.
By pressing the main button ( )boiler activation is enabled,
which is enabled for functioning in the DHW phase.
If the temperature detected by the DHW NTC probe (B2)
is lower than the setting made on the control panel (or on the
CAR or Super CAR if mounted) and if the contact of the system
pressure switch (S5) is closed (pressure detected in the primary
circuit higher than minimum value),the integrated P.C.B uses
the K2 relay to power the boiler pump (M1) at maximum
speed using relay K5, after which by diversion of the K4 relay
contact it powers the motor (M) of the 3-way valve (M30).
This functions until the end run switch "2" opens when the
DHW position is reached.
Successively the integrated P.C.B. powers the fan (M20) and
manages the speed.
With the consent of the safety thermostat (E4) and the flue
safety thermostat (E6) and the fan (M20) reaching the "validate ignition" speed, the integrated P.C.B. allows to start the
ignition cycle by controlling, first the ignition electrodes (E1)
by means of the K7 igniter relay and then the K3 request relay,
both the coils of the gas valve (Y1).
The ignition of the burner is detected by the in tegrated P.C.B.
by means of the ionisation electrode (E2).
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Integrated P.C.B.
Transformer
Fuse F1
This functions until the end run switch "1" opens when the
CH position is reached.
If the temperature detected by the NTC flow probe (B1) is
below the setting made on the control panel using the CH
temperature selector switch, the integrated P.C.B. powers the
fan (M20) and manages the speed.
With the consent of the safety thermostat (E4) and the flue
safety thermostat (E6) and the fan (M20) reaching the "validate ignition" speed, the integrated P.C.B. allows to start the
ignition cycle by controlling, first the ignition electrodes (E1)
by means of the K7 igniter relay and then the K3 request relay,
both the coils of the gas valve (Y1).
The ignition of the burner is detected by the integrated P.C.B.
by means of the ionisation electrode (E2).
During the ignition phase the fan works at a speed equal to one
third the maximum set (see heat output adjustment).
Successively the burner goes to the minimum value set by
means of the "MIN CH.*" parameter setting, to then reach
the maximum value set (if requested) by setting the "MAX.
CH" parameter in a determined time from the setting of the
"CH RAMP*" parameter.
Successively, flame modulation takes place with reference to the
difference between the temperature set on the boiler control
panel and that detected by the DHW probe (B1).
On exceeding (+5°C) the temperature set, the contact of
relay K2 is opened with consequent burner switch off, whose
switch/on time depends on the setting of the "Ignition timer*"
parameter.
Every time the burner switches off the fan functions for another 30 seconds.
Inside the control panel the boiler is equipped with a P.C.B.
with integrated microprocessor for control of the appliance's
electric devices, which takes care of linear modulation of
burner power.
The display shows the status and functioning mode of the
appliance, indicating any intervention of the safety devices,
with which it is supplied.
The P.C.B. supplied with all models, whether with storage
tank or instant (VICTRIX ZEUS Superior kW I, VICTRIX
Superior kW Plus, VICTRIX Superior kW) is the same. The
different type of boiler functioning is recognised automatically
by means of the appliance's wiring.
The integrated P.C.B. is always powered independently from
the selection made on the main button ( ).
The board carries out a periodical self-check to control its
correct functioning. During functioning in CH mode or with
boiler in stand-by, the function activates every 18 hours from
the last check/powering of the boiler. If functioning in DHW
mode, the self-check starts within 10 minutes after the end f the
withdrawal in progress for the duration of about 10 seconds.
N.B.: during the self-check, the boiler remains off.
Operation.
Central heating request.
By pressing the main button ( )boiler activation is enabled.
(Winter) functioning,
By using the button (A) to select
functioning in the CH mode is enabled.
On closure of the room thermostat contact (S20) and if the
system pressure switch contact (S5) is closed (pressure detected
in the primary circuit higher than minimum value),the integrated
P.C.B. powers the pump (M1) by means of relay K2, at maximum speed set (**),after which, by diversion of the K4 relay
contact it powers the motor (M) of the 3-way valve (M30).
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(**) the boiler leaves the factory with pump speed on "AUTO".
This means that the pump functions at a speed such to maintain
the temperature difference between flow and return constant
(factory setting 15°C, but adjustable from 5 to 25 °C).
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At every new central heating request the pump is started at
maximum speed, after which if the ∆T value detected is lower
than that set (-2°C), the speed is changed to the lower one.
The variation between one speed and another takes place with
a delay of 5 minutes.
anti-freeze).
The anti-freeze function is not activated if the main boiler
(Stand-by).
button is selected
DHW anti-freeze request.
If the temperature detected by the DHW probe (B2) falls
below 4 °C, the board gives consent for boiler ignition and
keeps the generator working with the burner at minimum
output until a temperature of 20 °C is reached. Post-circulation
is then activated in the central heating mode with duration
of 150 seconds.
During functioning, the water in the primary circuit remains
below 42 °C as on reaching this temperature the board switches
the burner off.
If the DHW anti-freeze is activated in concomitance with a
central heating request, the DHW anti-freeze is served for 2
minutes and the central heating request for 6.5 minutes
(continuously).
DHW request.
By pressing the main button ( ) boiler activation is enabled,
which is enabled for functioning in the DHW phase.
If the temperature detected by the DHW NTC probe (B2)
is lower than the setting made on the control panel (or on the
CAR or Super CAR if mounted) and if the contact of the system
pressure switch (S5) is closed (pressure detected in the primary
circuit higher than minimum value), the integrated P.C.B uses
the K2 relay to power the boiler pump (M1) at maximum
speed using relay K5, after which by diversion of the K4 relay
contact it powers the motor (M) of the 3-way valve (M30).
This functions until the end run switch "2" opens when the
DHW position is reached.
When the flame has been detected, the fan speed is increased
in a way to immediately reach (if requested) the maximum
adjusted value or that necessary to reach the set temperature.
Successively, flame modulation takes place with reference to
the difference between the temperature set using the DHW
temperature selector switch and the temperature detected by
the DHW probe (B2).
When the temperature measured by the DHW probe (B2)
exceeds the value requested (set temperature), the K3 relay is
opened (burner switch-off) and after the post-functioning time
also relay K2(pump)in the meantime the pump functions and
carries out post-ventilation.
When the temperature of the DHW contained in the storage
tank drops below the value defined and that can be set using
the “DHW OFF” parameter with respect to the temperature
set by the DHW temperature selector switch, the relays are
closed again in order to start a new ignition cycle.
If, during functioning, the flow probe (B1) measures a temperature exceeding 90°C, the contact of relay K3 is opened
(burner switch off) which are closed again when the temperature
drops to 75°C.
"Chimney sweep" request.
Press the Reset button "C" for a time between 8 and 15 seconds, on its release the board gives consent for ignition of
the generator and keeps it functioning at maximum heating
output set for 15 minutes.
During this period only the limit thermostat function is
respected (90 °C), which is performed by the central heating
flow probe (B1).
The function is signalled by the relative symbol and the code
"07" on the remote control display (if mounted).
It can be interrupted by pressing the main button ( ) in the
off position or after 15 minutes have passed.
System deaeration function.
To activate the “AIR PURGE” function, press buttons “A and
B” at the same time for 5 seconds with boiler in stand-by. The
function consists in the cyclic activation of the pump (100 s
ON, 20 s OFF) and the 3-way valve (120 s domestic hot water,
120 s central heating).
The function ends after 18 hours or by switching the boiler
on using the ignition button ( ).
Solar function.
* see integrated P.C.B. programming.
With the “DHW OFF” parameter on “OFF2” (DHW set-point
hysterisis 2), the boiler is prepared to receive pre-heated water
from a system of solar panels.
When the water contained in the storage tank is at the same
temperature of that set by the DHW selector switch (DHW
set-point -10°C), the burner and the pump are off.
The boiler is kept in the DHW status, shown on the display.
The boiler will exit the solar mode when the temperature
falls (-11°C) with respect to that set by the DHW selector
switch.
Central heating anti-freeze request.
When the temperature detected by the CH flow probe (B1)
falls below 4 °C, the board gives consent for ignition and keeps
the generator working with the burner at minimum output
until a boiler temperature equal to 42 °C is reached (radiators
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Inputs.
Comando Amico Remoto remote control (CAR)
(optional)
(see CAR functioning)
IMG BUS inlet
(external optional)
System pressure switch
(S5)
It sends SUMMER/WINTER selector switch, DHW and CH temperature adjustment
and CH request signals to the board (time, room temperature, error codes, etc...).
It allows the connection of electronic devices e.g. the Immergas Virgilio Palmtop.
When the pressure of the primary circuit is lower than 0.3 bar
remove the power supply to the K3 relay, thus preventing burner
ignition.
Open =
No pressure
Closed =
Pressure OK
Button
It sends the board a signal that allows ignition or boiler stand-by.
Button"A"
It sends the board a signal that allows boiler functioning in Summer mode
( ) or Winter mode ( ).
Button "B"
It sends the board a signal that allows to activate or deactivate the DHW priority function.
Button "C"
It sends the board a signal that allows to release the integrated P.C.B. after the intervention
of an anomaly or boiler block, signalled with the relative "ERR xx"" error code (see errors
and anomalies list).
In the P.C.B. programming mode it allows to exit the configuration menu.
Button "D"
It sends the P.C.B. a signal that allows to enter the configuration menu and to confirm
the adjustments made.
Flame detection
(E2)
Super CAR
(optional)
STVZSkW ed 09/08
It is a signal that indicates that the flame has been detected.
It allows the integrated P.C.B. to increase the fan speed after having
limited it during the ignition phase.
Flame signal =
6 ÷ 15 microA
It sends the board the signals of the various functioning state, programming setting,
information and reset buttons as well as DHW and CH temperature adjustment signals
and CH request (time, room temperature, error codes, etc...).
Using the Super CAR it is possible to indifferently vary some settings from the boiler control panel and from the Super CAR control panel, such as: selection of Summer Winter,
DHW comfort status, DHW set point.
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External probe (B4)
(optional)
It is a resistance that can be varied proportionally to the external
temperature.
It allows the integrated P.C.B. to vary the system flow temperature
depending on the external temperature.
PTC probe
1 kΩ 25 °C
Flow probe
(B1)
It is a resistance that can be varied in an inversely proportional
manner to the temperature of the primary circuit flow water.
It is also used as a limit thermostat on the flow (90 °C).
NTC probe
10 kΩ 25 °C
Return probe
(B5)
It is a resistance that can be varied in an inversely proportional
manner to the temperature of the primary circuit return water.
NTC probe
10 kΩ 25 °C
Domestic hot water probe
(B2)
It is a resistance that can be varied in an inversely proportional
manner to the temperature of the water contained in the storage
tank.
NTC probe
10 kΩ 25 °C
Room thermostat
(S20)
(external optional)
It is a clean contact switch that sends a signal (in low voltage) to
the board enabling functioning in the CH mode when the room
temperature is lower than that requested.
Open = Central
heating OFF
Closed = Central
heating ON
Flue safety thermostat
(E6)
It is a contact which, on opening, allows the board to identify and
display any flue safety thermostat intervention (E6) with an "ERR
03" error code.
Open = Functioning OFF
Closed = Functioning ON
Safety thermostat
(E4)
It is a contact which, on opening, allows the board to identify and
display any flue safety thermostat intervention (E4) with an "ERR
02" error code.
Open = Functioning OFF
Closed = Functioning ON
Fan speed
STVZSkW ed 09/08
It is a square wave signal detected with a Hall effect sensor inserted into the fan. It allows
the integrated P.C.B. to measure the speed and correct it if it does not comply with the
requested value.
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Outputs.
Gas valve power supply
(Y1)
It is a 24 V DC signal that indicates the power supply of the main coils of the gas valve.
Comando Amico Remoto remote control (CAR)
(optional)
(see CAR functioning)
It is a signal (BUS) that shows boiler temperature, functioning in DHW and Ch mode,
the alarm codes that have intervened and the temperature detected by any external probe
on the remote control display.
Igniter relay
(K7)
It is a unipolar relay that is excited when burner ignition is necessary. The electric spark takes
place at the ends of the ignition electrodes positioned on the burner, due to its contact.
Pump Relay
(K2)
It is a unipolar relay for pump control (M1) that is excited when its functioning is requested.
3-speed pump relay
(K5)
It is a unipolar relay for pump control (M1) that is excited when its functioning is requested at third (maximum) speed.
1 or 2 speed pump relay
(K6)
It is a unipolar relay for pump control (M1) that is excited when its functioning is requested at second speed.
Three-way valve relay
(K4)
It is a relay that allows to power the motor (M) of the electric 3-way valve (M30). It is
excited with a central heating request and remains in stand-by with a domestic hot water
request.
Gas valve relay
(K3)
It is a unipolar relay that allows to power the gas valve coils when the boiler must be
ignited.
Super CAR
(optional)
It is a signal (BUS) that shows boiler temperature, functioning in DHW and Ch mode,
the alarm codes that have intervened and the temperature detected by any external probe
on the remote control display.
Zones control unit (CZ)
(external optional)
It is a signal that allows the zone control unit to know the functioning status of the appliance (domestic hot water/central heating) and, if mounted to recognise the CAR as the
main room thermostat in the zone (see Zones control unit technical board functioning).
IMG BUS outlet
(external optional)
It is a signal that allows the P.C.B. to dialogue with the external devices (e.g. Immergas
Virgilio Palmtop).
Fan
It is a positive square wave signal with variable ON-OFF relationship (duty-cycle) that
controls the fan.
Allows to vary the air flow rate to the Venturi pipe and therefore the gas pressure to the
burner.
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Safety devices.
Three-way valve/anti-block
pump
After 24 hours from the last activation, independently from the functioning status of the
boiler (Summer or Winter), the pump (M1) is started for a time of 30 seconds and the
three-way valve (M30) is started for a period of 10 seconds.
Fan speed anomaly
If a fan speed is detected that is out of safe limits (700-5700 rpm) the burner is switched
off and it cannot be re-ignited for 7.5 minutes.
To re-start the appliance, press the “Reset” button "C" and then make a central heating
or domestic hot water request.
Periodical self-check
The P.C.B. carries out a periodical self-check to control its correct functioning. During
functioning in heating mode or with boiler in stand-by, the function activates every 18
hours after the last boiler check/power supply.
In case of functioning in domestic hot water mode the self-check starts within 10 minutes
after the end of the withdrawing in progress, for duration of approx. 10 seconds.
N.B.: the boiler remains inactive during the self-check, the display continues to show the
functioning state previous to the self-check, to then re-start normal functioning.
Electro-mechanical contacts block
In the case of: high resistance of the safety thermostat contact (contact not perfectly closed
or worn); anomaly on gas valve piloting circuit; no electric connection to the gas valve
(connector disconnected or gas valve coils shut-off); error inside the integrated P.C.B, the latter
performs a reset and starts a new cycle to check contacts; if the problem persists after 6
check cycles, boiler functioning is prevented.
To re-start the appliance, press the “Reset” button “C” and then make a central heating
or domestic hot water request.
Parasite flame block
In the case of dispersion of the detection circuit or anomaly in the flame control that
generates a correct ionisation current (without the gas valve being open) with the duration
of at least 20 seconds, boiler functioning is blocked.
To re-start the appliance, press the “Reset” button “C” and then make a central heating
or domestic hot water request.
No ignition
Ignition
If within 10 seconds from the start of the ignition cycle, the detection electrode (E2) has
not detected flame presence on the burner, boiler functioning is blocked.
The integrated P.C.B. makes 2 ignition attempts with duration of 10 seconds, intervalled
by a time of 30 seconds, after which it blocks.
To re-start the appliance, press the “Reset” button “C” and then make a central heating
or domestic hot water request.
N.B.: It is possible to reset the anomaly up to 5 consecutive times, after which the function is prevented for at least one hour and one attempt is gained after every hour. Five
attempts can be gained by pressing the
or Stand-by key or by removing the power
supply to the circuit.
Safety
thermostat block
If the contact of the water overheating thermostat is opened (temperature of the primary
circuit exceeding 100 °C), boiler functioning is blocked.
To re-start the appliance, press the “Reset” button “C” and then make a central heating
or domestic hot water request.
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Flue safety thermostat
block
If the contact of the flue overheating thermostat is opened(temperature of the external part
of the condensation module exceeding 110 °C) owing to the combustion impurities deposited
on the heat exchanger (soot, oxidations, etc...), boiler functioning is blocked.
To re-start the appliance, press the “Reset” button “C” and then make a central heating
or domestic hot water request.
Insufficient circulation
To prevent overheating of the water-gas heat exchanger if the pump is blocked or due to
little circulation in the primary circuit, when the CH NTC flow probe (B1) detects an
increase in the temperature exceeding 5 °C per second (for more than 2 consecutive seconds),
the burner is switched off.
Re-start takes place when the flow temperature falls below 43°C.
Pump post-circulation
To prevent overheating of the water-gas heat exchanger, at the end of CH (room thermostat
opening), anti-freeze or "chimney sweep" request, the pump (M1) is kept working for a
period of 10 seconds.
Sealed chamber postventilation
The combustion chamber is washed after switch-off of the burner at the end of any request
and the fan works for 30 seconds.
Sealed chamber postventilation following
overheating safety block
intervention
After burner switch-off following an overheating block (water or fumes), the fan is made
to work for 510 seconds (8.5 min) at a speed of about 1/3 of the maximum set.
Flow NTC breakage
(B1)
The breakage of the central heating flow probe (B1) is signalled by the relative anomaly
and prevents functioning both in the central heating and domestic hot water modes.
Return NTC breakage
(B5)
The breakage of the heating return probe (B5) is signalled by the relative anomaly and
forces pump functioning to maximum speed (if pump speed is set on "AUTO").
Breakage of the NTC DHW
probe (B2)
The breakage of the DHW outlet probe (B2) is signalled by the relative anomaly and
prevents functioning in DHW mode, but functioning in CH mode is allowed.
Flow over-heating
ventilation
T prevent overheating of the water-gas heat exchanger, if the boiler temperature detected
by the NTC flow probe (B1) exceeds 105 °C, the fan is made to work until the temperature drops below 100 °C.
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Functioning status and mode.
The boiler is supplied with a control panel (where the buttons
and temperature selector switches used to control the boiler are
positioned) and a display that shows appliance functioning
mode and status.
In normal functioning phase the display indicates the functioning mode.
In the case shown below as an example, the boiler is functioning to satisfy a room central heating request.
Each key has the following function:
During the request for central heating “HEATING” appears
on the display on the status indicator (6) and at the same time
as burner ignition the flame presence indicator switches on
(8) with relative power scale and the indicator (9 and 7) with
the instantaneous outlet temperature from the primary heat
exchanger at 55 °C to satisfy the setting of 45 °C in central
heating mode made by the selector switch (3).
Stand-by - On Button
A
Summer ( ) and Winter ( ) functioning mode
selection button.
B
Domestic hot water priority button ( )
C
Reset (RESET) / exit menu (ESC) button
D
Menu entry (MENU)/ data confirmation button
(OK)
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Below find a list of the various boiler functioning status that
appear on the malfunction display by means of the indicator
(6).
Display (6)
Description of functioning states
SUMMER
Summer functioning mode in progress without request.
Boiler in stand-by for domestic hot water request.
WINTER
Winter functioning mode without request in progress.
Boiler in stand-by for domestic hot water or central heating request.
DHW ON
Domestic hot water mode in progress.
Boiler functioning, domestic hot water heating in progress.
Central heating mode in progress.
Boiler functioning, central heating in progress.
CH ON
F3
(ANTIFR.)
Anti-freeze mode in progress.
Boiler functioning to restore the minimum safety temperature against boiler freezing.
CAR OFF
Remote Control (Optional) off.
DHW OFF
With domestic hot water priority disabled (symbol off), the boiler functions in room central heating
mode for duration of 1 hour, however keeping the domestic hot water at minimum temperature (20 °C),
after which the boiler goes back to the normal functioning, previously set.
If used with Super CAR in concomitance with the functioning period in reduced DHW Timer mode,
DHW OFF appears on the display.
The disabled DHW priority function has priority over the anti-legionella function.
F4
(POSTFAN)
Postventilation in progress.
Fan in function after a request for domestic hot water or central heating in order to evacuate residual
fumes.
F5
(POSTCIRC)
Postcirculation in progress.
Pump in function after a request for domestic hot water or central heating in order to cool the primary
circuit.
P33
(EMERGENCY)
With Remote Control (Optional) or room thermostat (TA) (Optional) in block mode, the boiler functions all the same in CH mode (can be activated using the “Customisations” menu, it allows to activate the
central heating even if the Remote Control or TA are out of service).
STOP
Reset attempts finished.
One hour must pass in order to acquire 1 attempt (See no ignition block).
ERR xx
Anomaly present with relative error code.
The boiler does not function (see troubleshooting paragraph).
SET
(DHWSET)
SET
(CH SET)
During the rotation of the domestic hot water temperature selector switch, view the state of the
adjustment of the domestic hot water temperature in progress.
During rotation of the central heating selector switch, view the adjustment status of the boiler flow
temperature for room central heating.
SET
(OTCCORR)
In presence of the external probe (Optional) replace the “SET CH” item.
The value that appears is the correction of the flow temperature with respect to the functioning curve set
by the external probe.
F8
(AIRPURGE)
System deaeration in progress.
During this phase, which lasts 18 hours, the boiler pump is started at pre-established intervals, thus
allowing deaeration of the heating system.
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Programming the P.C.B.
3
The VICTRIX ZEUS Superior kW I boiler is prepared for
eventual programming and customisation of several operation
parameters.
By modifying these parameters described below it will be possible
to adapt the boiler according to specific needs.
By pressing button “D” it is possible to access a menu divided
into three main parts:
- Information “M1” (INFO)
Important: if the international language is to be restored (A1),
proceed as follows:
- press button “D” to enter the configuration menu.
- customisation “M3” (PERS.MENU)
- turn selector switch “3” to “LINGUA”.
- turn selector switch “3” to “PERSONAL”.
- press button “D” to confirm.
- turn selector switch “3” to “DATI”.
- press button “D” to confirm.
- configurations“M5” (CONFIG) menu reserved for the
technician, which requires an access code.
- press button “D” to confirm.
- turn selector switch “3” to “A-1”.
Press button “D” to access programming, turn the heating
temperature selector (3) and scroll the menu items until
reaching the desired item. Press button “D” to access the
various menu sub-levels and the choice of parameters according
to personal requirements are confirmed. By pressing button“C”
go back one level.
- press button “D” to confirm.
At this point the international items indicated in the menu
tables appear on the display.
(The first entry of the various options that appears inside the
parameter is that selected by default).
NB: To access the “M5” menu (reserved for the technician)
a three-figure access code must be introduced (the code is
472), which is carried out by turning the heating temperature
selector (3) until finding the correponding figure, then confirm
the selection by pressing button “D”, after which it is possible
to access the selection and modification of the parameters as
previously specified.
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Information menu M1 (INFO). This menu contains the
various information relative to boiler operations:
1st
Level
Button
2nd Level
Button
P11
(SOFTWARE)
P12
(HEAT.TIME)
P13
(IGNIT.NR)
M1 (INFO)
Description
Displays the management software version of the circuit board installed
in the boiler
Displays the total operating hours of the boiler
C
Displays the number of burner ignitions
D
-(NO EXT.P.)
(without optional
external probe
present)
C
Button
D
P14
(OUTSIDET.)
(with optionall
external probe
present)
D
3rd Level
C
P14/A
(CURRENT)
P14/B
(OUTT.MIN)
P14/C
(OUTT.MAX)
RESET
Displays the current external temperature (if external probe is present
Optional)
Displays the minimum external temperature recorded (if external probe is
present Optional)
Displays the maximum external temperature recorded (if external probe is
present Optional)
D
x
selection
By pressing button“D” the MIN and MAX temperatures measured are
reset
C
P15
(DHW FLOW)
P17
(FANSPEED)
P18
(PUMPSPEED)
No display for this model
Displays the speed in instantaneous revs of the fan
D
C
Displays the instantaneous speed of the pump (from 1 to 3)
Displays the last 5 events that have caused the boiler to shutdown
The sequential number from 1 to 5 along with the relative error code
By pressing button “D” repeatedly, it is possible to display opeating times
and the number of ignitions where the anomaly took place
P19
(FAILURE)
Customisations menu M3 (PERS.MENU). AThis menu
contains all operating options that can be customised. (The
first entry of the various options that appears within the parameter is that selected by default).
1st
Level
Button
2nd Level
P31
(DISPLAY)
Button
3rd Level
D
(LIGHT)
AUTO
(Default)

C
(LIGHT) ON
M3 (PERS. MENU)
(LIGHT) OFF
P32
(DISP.
DATA)
D
C
D
P32/A
(DISP.DESC.)
C
P32/B
(LANGUAGE)
P33
(EMERGENCY)
RESET
(RESET
ALL)
STVZSkW ed 09/08
D
C
OFF
(EMERG.)
ON
(EMERG.)
Button
Button
Description
D
x
selection
The display lights up when the burner is
on and when the controls are accessed.
It remains on for 5 seconds after the last
operation performed
The display is always lit
The display only lights up when the
controls are accessed and remains on for 5
seconds after the last operation performed
The indicator displays the output
temperature from the primary heat
exchanger
The indicator displays the current external
temperature (with external probe Optional)
D
x
selection
C
P32/A.1
(CH.TEMP.)
(Default)
P32/A.2
(OUTSIDET.)
ITALIAN
(Default)
A1
(ALPHANUM)
D
C
D
C
D
x
selection
C
D
x
selection
C
All descriptions are given in Italian
All descriptions are given in Alphanumeric
mode
By activating this function in winter mode,
the room heating function can be activated
even if the Remote Control or TA are out
of order
By pressing button “D” the customisations
made are reset, restoring the values set in
the factory
C
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Menu configurations M5 (CONFIG). This menu contains all
configuration options of the booiler operation parameters. (The
first entry of the various options that appears inside the parameter
is that selected by default).
M5 Menu (CONFIG)
(an access code must be introduced)
1st Level
2nd Level
Options
24 KW
P53
(POWER)
28 KW
32 KW
Description
Default value
Value set
by the
technician
Equal to
boiler power
Equal to
boiler power
-
-
-
-
-
-
-
-
Identifies the output of the boiler on which the P.C.B. is installed
N.B.: in the case of boiler models called 26 kW set the parameter as: “24
KW”.
P54.1
Display the temperature measured by the probe on the storage tank unit
DHW NTC1
P54.2
Not used
DHW NTC 2
P54.3
Displays the temperature read on the return probe
NTC 3
Displays the C.H. flow temperature at which the boiler functions,
calculated by the active controls on system heat-adjustment
P54
(NTC.
TEMP.)
P55
(CALCCHT)
P57
(PUMP
SPEED)
1
First C.H. speed
2
Second C.H. speed
3
Third C.H. speed
AUTO
15 K
Automatic pump speed. Set the ∆T value between system flow and
return (can be set from 5 to 25 K)
Set the maximum power in D.H.W. mode, setting the fan speed (in
4000 ÷ 5500
RPM)
Set the minimum power in D.H.W. mode, setting the fan speed (in
1000 ÷ 1500
RPM)
≤ P62 (MAX Set the maximum power in C.H. mode,. The value must be less than or
SPEED)
equal to "P62" (MAX. SPEED)
≥ P63 (MIN Set the minimum power in C.H. mode,. The value must be less than or
SPEED)
equal to "P63" (MIN. SPEED)
Without external probe (Optional) defines the minimum flow
temperature. With the external probe present, it defines the minimum
P66/A
flow temperature corresponding to operations with maximum external
(MIN. CH
temperature. (can be set from 25°C to 50°C)
T.)
N.B.: the parameter must be confirmed in order to continue (press “D” or
exit from “P66” regulation by pressing “C”
Without external probe (Optional) defines the maximum flow
temperature. With the external probe present, it defines the maximum
P66/B
flow temperature corresponding to operations with minimum external
(MAX. CH
temperature (can be set from 50°C to 85°C)
T.)
N.B.: the parameter must be confirmed in order to continue (press “D” or
exit from “P66” regulation by pressing “C”)
With external probe present it defines at which minimum external
P66/C
temperature the boiler must operate at maximum flow temperature
(MIN. EXT (adjustable from -20°C to 0°C)
N.B.: the parameter must be confirmed in order to continue (press “D” or
T.)
exit from “P66” regulation by pressing “C”)
With external probe present it defines at which maximum external
P66/D
temperature the boiler must operate at minimum flow temperature
(MAX. EXT (adjustable from 5°C to +25°C)
T.)
N.B.: the parameter must be confirmed in order to continue (press “D” or
exit from “P66” regulation by pressing “C”
AUTO
P62
(MAX SPEED)
P63
(MIN SPEED)
P64
(MAX CH)
P65
(MIN CH)
SERVICE
(BOIL.PAR.)
P66
(T.REG.
PAR.)
STVZSkW ed 09/08
Disp.Non-Stop: 0729.983.578
41
See page 17
See page 17
See page 17
See page 17
25°C
85°C
-5°C
25°C
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M5 Menu (CONFIG)
(an access code must be introduced)
1st Level
2nd Level
Options
P67
(PUMP
MODE)
P67.1
(CONTINUE)
P67.2
(INTERMIT)
P67.3
(ECONOMY)
P68
(RT DALAY)
P69
(ANTICYC)
P70
(CH RAMP)
P71
(DHW OFF)
P72
(FLOW REG)
0s ÷ 500s
0s ÷ 255s
0s ÷ 840s
RELE 1
(optional)
AUTO
OFF
8 L/M
10 L/M
12 L/M
Independently from the options that can be displayed or set, this
parameter has no effect on boiler operation
RELE1.4
RELE2.OFF
RELE2.6
RELE2.2
RELE2.3
RELE2.4
RELE2.5
RELE3.OFF
RELE3.7
RELE 3
(optional)
RELE3.2
RELE3.3
RELE3.4
P76
(EXT. T.
CORR)
STVZSkW ed 09/08
-10°C ÷
+10°C
P67.2
(INTERMIT)
The boiler is set to ignite the burner immediately after a room heating
request. In the case of particular systems (e.g. zone systems with motorised
valves etc.) it could be necessary to delay ignition
The boiler has an electronic timer that prevents frequent ignition of the
burner in the central heating mode
The boiler carries out an ignition ramp to arrive from minimum heat
output to nominal heat output
The ignition of the boiler for heating domestic hot water occurs when
the water contained in the strorage tank falls by 10 °C with respect to
the set temperature
RELE1.2
Value set by
the technician
In winter mode the pump is managed by the room thermostat or by
remote control and by the boiler flow probe
P71.2
(OFF2)
(-10 °C)
RELE1.3
RELE 2
(optional)
In winter mode the pump is managed by the room thermostat or by
remote control
The ignition of the boiler for heating domestic hot water occurs when
the water contained in the strorage tank falls by 3 °C with respect to
the set temperature
RELE1.1
Default value
In winter mode the pump is always powered and therefore always
functions
P71.1
(OFF1)
(-3 °C)
RELE1.OFF
SERVICE
(BOIL.PAR.)
Description
0 seconds
180 seconds
840 seconds
(14 minutes)
P71.1
(OFF 2)
FIXED ON
AUTO
Relay 1 not used
In a system divided into zones, relay 1 controls the main zone
The relay signals the intervention of a boiler block (Can be combined
with an external signalling device, not supplied)
The relay signals that the boiler is on
(Can be combined with an external signalling device, not supplied)
Controls the opening of the external gas valve in concomitance with an
ignition request of the burner in the boiler
RELE1.1
Relay 2 not used
Relay 2 activates the remote filling electrovalve (Optional) The control
can take place by remote control
The relay signals the intervention of a boiler block (Can be combined
with an external signalling device, not supplied)
The relay signals that the boiler is on
(Can be combined with an external signalling device, not supplied)
Controls the opening of the external gas valve in concomitance with an
ignition request of the burner in the boiler
RELE2.OFF
In a system divided into zones, relay 2 controls the secondary zone
Relay 3 not used
Controls the storage unit pump
(cannot be used on this model)
The relay signals the intervention of a boiler block (Can be combined
with an external signalling device, not supplied))
The relay signals that the boiler is on
(Can be combined with an external signalling device, not supplied))
Controls the opening of the external gas valve in concomitance with an
ignition request of the burner in the boiler
RELE3.OFF
If the reading of the external probeis incorrect, it can be corrected to
compensate any environmental factors
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0°C
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Fault and anomaly signals.
5
6
The VICTRIX ZEUS Superior kW I boiler signals any anomalies by the flashing symbol (5) along with the “ERRxx”
indication on the indicator (6) where “xx” corresponds to the
Anomaly signalled
error code described in the following table. To eliminate the
block (where necessary), press the RESET "C" button positioned on the boiler panel.
Error code display
Super CAR display
Car display
No ignition block
Safety thermostat block (over-heating), flame
control anomaly
ERR 01
ERR 01
E01
ERR 02
ERR 02
E02
Flue safety thermostat block
ERR 03
ERR 03
E02 + E03
Contacts resistance block
ERR 04
ERR 04
E02 + E04
Flow probe anomaly
ERR 05
ERR 05
E05
Insufficient system pressure
ERR 10
ERR 10
E10
Domestic hot water probe anomaly
ERR 12
ERR 12
E12
Configuration error
ERR 15
ERR 15
E15
Fan anomaly
ERR 16
ERR 16
E16
Parasite flame block
ERR 20
ERR 20
E02 + E20
Return probe anomaly
ERR 23
ERR 23
E23
Push button control panel anomaly
ERR 24
ERR 24
E24
Insufficient circulation
ERR 27
ERR 27
E27
Loss of remote control communication
ERR 31
ERR 31 / CM
E31 / CON
Low power supply voltage
ERR 37
not displayed
not displayed
Loss of flame signal
STVZSkW ed 09/08
38
(only displayed on VIRGILIO palmtop, or within the "M1" / "P19" menu)
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Technical Data.
VICTRIX ZEUS Superior kW I technical data.
Domestic hot water nominal heating power
Central heating nominal heat input
Minimum heat input
Domestic hot water nominal heat output (useful)
Central heating nominal heat output (useful)
Minimum heat output (useful)
Efficiency 80/60 Nom./Min.
Efficiency 50/30 Nom./Min.
Efficiency 40/30 Nom./Min.
Heat loss at casing with burner On/Off (80-60°C)
Heat loss at flue with burner On/Off (80-60°C)
Central heating circuit max. operating pressure
Central heating circuit max. operating temperature
Max. adjustable central heating temperature
Min. adjustable central heating temperature
Total volume system central heating expansion vessel
Heating expansion tank pre-charge
Total volume domestic hot water expansion vessel
Domestic hot water expansion vessel pre-charge
Water content in generator
Total head available with 1000/h flow rate
Hot water production useful heat output
Domestic hot water adjustable temperature
Domestic hot water flow limiter
Min. pressure (dynamic) domestic hot water circuit
Domestic hot water circuit max. working pressure
*Specific capacity “D” according to EN 6625
Drawing capacity in continuous duty (∆T 30°C)
Domestic hot water performance classification according to N 13203-1
Weight of full boiler
Weight of empty boiler
Electric connection
Power input
Installed electric power
Pump consumption
Fan consumption
Equipment electrical system protection
Flue gas max. temperature
NOX class
Weighted NOX
Weighted CO
Type of appliance
Category
- The maximum sound level emitted during boiler operation is <
55dBA. The sound level value is referred to semianechoic chamber
tests with boiler operating at max. heat output, with extension of
fume exhaust system according to product standards.
- Fume temperature values refer to an air inlet temperature of
15°C.
- The data relevant to domestic hot water performance refer to a
dynamic inlet pressure of 2 bar and an inlet temperature of 15°C;
the values are measured directly at the boiler outlet considering that
to obtain the data declared mixing with cold water is necessary.
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Victrix ZEUS
Victrix ZEUS
Superior 26 kW I Superior 32 kW I
kW (kcal/h)
26.9 (23137)
33.0 (28392)
kW (kcal/h)
21.7 (18678)
33.0 (28392)
kW (kcal/h)
5.0 (4323)
7.3 (6279)
kW (kcal/h)
25.8 (22188)
32.0 (27520)
kW (kcal/h)
21.0 (18060)
32.0 (27520)
kW (kcal/h)
4.7 (4042)
6.9 (5934)
%
96.7 / 93.5
96.9 / 94.5
%
104.3 / 106,0
104.7 / 105.8
%
106.5 / 106.5
107.3 / 107.3
%
0.70 / 1.00
0.87 / 0.20
%
0.04 / 3.10
0.03 / 2.90
bar
3
3
°C
90
90
°C
25 - 85
25 - 85
°C
25 - 50
25 - 50
l
7.1
7.1
bar
1
1
l
1.2
1.2
bar
2.5
2.5
l
6.7
9.1
kPa (mm c.a.)
18.7 (1,9)
35.5 (3,62)
kW (kcal/h)
26.9 (23137)
33.0 (28392)
°C
20 - 60
20 - 60
l/min
10.0
14.0
bar
0.3
0.3
bar
8
8
l/min
16.0
19.2
l/min
13.1
15.8

kg
76.8
81.9
kg
70.1
72.8
V/Hz
230/50
230/50
A
0.57
0.65
W
110
135
W
74.7
98.6
W
24.4
29
IPX5D
IPX5D
°C
75
75
5
5
mg/kWh
48
52
mg/kWh
20
17
C13 / C33 / C43 / C53 / C83 / B23 / B33
II2H3B/P
44
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Combustion parameters.
Supply pressure
VICTRIX ZEUS Superior 26 kW I
Gas nozzle diameter
Flue flow rate at max heat output
Flue flow rate at min heat output
CO2 at Q. Nom./Min.
CO at 0% of O2 at Nom. Q./Min.
NOX at 0% of O2 at Nom. Q./Min..
Flue temperature at nominal output
Flue temperature at minimum output
VICTRIX ZEUS Superior 32 kW I
Gas nozzle diameter
Flue flow rate at max heat output
Flue flow rate at min heat output
CO2 at Q. Nom./Min.
CO at 0% of O2 at Nom. Q./Min.
NOX at 0% of O2 at Nom. Q./Min.
Flue temperature at nominal output
Flue temperature at minimum output
STVZSkW ed 09/08
Disp.Non-Stop: 0729.983.578
mbar (mm c.a.)
G20
20 (204)
G30
29 (296)
G31
37 (377)
mm
kg/h
kg/h
%
ppm
mg/kWh
°C
°C
5.70
43
8
9.40 / 8.90
200 / 7
50 / 25
78
73
4.10
39
7
12.00 / 11.80
670 / 11
188 / 68
86
82
4.10
43
8
10.60 / 10.20
270 / 7
69 / 41
79
75
mm
kg/h
kg/h
%
ppm
mg/kWh
°C
°C
WITHOUT
52
12
9.40 / 8.90
206 / 9
50 / 25
73
64
6.00
47
11
12.30 / 11.90
640 / 8
188 / 68
82
72
6.00
53
12
10.50 / 10.30
190 / 8
69 / 41
74
66
45
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VICTRIX ZEUS Superior 26 kW I variable heat output.
METHANE (G20)
BUTANE (G30)
HEAT
OUTPUT
HEAT
OUTPUT
BURNER
GAS FLOW RATE
(kW)
(kcal/h)
(m3/h)
(mbar)
(mm H2O)
(kg/h)
(mbar)
(mm H2O)
(kg/h)
(mbar)
(mm H2O)
25.8
25.0
24.0
23.9
22.0
21.0
20.0
19.3
18.0
17.0
16.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.7
22188
21500
20640
20554
18920
18060
17200
16590
15480
14620
13760
12900
12040
11180
10320
9460
8600
7740
6880
6020
5160
4300
4042
2,85
2,75
2,64
2,63
2,41
2,30
2,19
2,13
1,97
1,86
1,75
1,64
1,54
1,43
1,32
1,22
1,11
1,00
0,89
0,78
0,67
0,57
0,53
5,00
4,70
4,33
4,30
3,66
3,35
3,06
2,92
2,52
2,27
2,03
1,81
1,60
1,40
1,21
1,04
0,88
0,73
0,59
0,46
0,35
0,25
0,22
51,0
47,9
44,2
43,8
37,4
34,2
31,2
29,8
25,7
23,1
20,7
18,4
16,3
14,3
12,4
10,6
9,0
7,4
6,0
4,7
3,6
2,5
2,2
2,12
2,06
1,97
1,96
1,80
1,72
1,63
1,59
1,47
1,39
1,31
1,23
1,15
1,07
0,99
0,91
0,83
0,75
0,67
0,59
0,50
0,42
0,40
5,50
5,15
4,73
4,69
3,97
3,62
3,29
3,13
2,68
2,40
2,14
1,90
1,67
1,46
1,27
1,09
0,92
0,77
0,64
0,52
0,41
0,32
0,30
56,1
52,5
48,3
47,9
40,5
36,9
33,5
31,9
27,3
24,5
21,8
19,4
17,0
14,9
12,9
11,1
9,4
7,9
6,5
5,3
4,2
3,3
3,1
2,09
2,02
1,94
1,93
1,77
1,69
1,61
1,57
1,44
1,37
1,29
1,21
1,13
1,05
0,97
0,89
0,81
0,73
0,66
0,58
0,50
0,41
0,39
6,50
6,12
5,67
5,62
4,83
4,44
4,07
3,90
3,38
3,07
2,77
2,48
2,21
1,96
1,72
1,49
1,28
1,09
0,90
0,73
0,58
0,44
0,40
66,3
62,4
57,8
57,4
49,2
45,3
41,5
39,7
34,5
31,3
28,2
25,3
22,6
20,0
17,5
15,2
13,1
11,1
9,2
7,5
5,9
4,5
4,1
D.H.W.
CEN.
HEAT.
+
D.H.W.
BURNER NOZZLES
PRESSURE
BURNER
GAS FLOW RATE
PROPANE (G31)
BURNER NOZZLES
PRESSURE
BURNER
GAS FLOW RATE
BURNER NOZZLES
PRESSURE
VICTRIX ZEUS Superior 32 kW I variable heat output.
METHANE (G20)
HEAT
OUTPUT
HEAT
OUTPUT
BURNER
GAS FLOW RATE
(kW)
32.0
31.0
30.0
29.0
28.0
27.0
26.0
25.0
24.0
23.0
22.0
21.0
20.0
19.0
18.0
17.0
16.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.9
(kcal/h)
27520
26660
25800
24940
24053
23220
22360
21500
20640
19780
18920
18060
17200
16340
15480
14620
13760
12900
12040
11180
10320
9460
8600
7740
6880
6020
5934
(m3/h)
3.49
3.38
3.27
3.16
3.05
2.94
2.83
2.73
2.62
2.51
2.40
2.29
2.19
2.08
1.97
1.87
1.76
1.65
1.54
1.44
1.33
1.22
1.11
1.00
0.89
0.78
0.77
STVZSkW ed 09/08
BURNER NOZZLES
PRESSURE
(mbar)
1.53
1.44
1.35
1.27
1.18
1.10
1.03
0.95
0.88
0.81
0.75
0.69
0.63
0.57
0.52
0.47
0.42
0.37
0.33
0.29
0.25
0.22
0.18
0.15
0.13
0.10
0.10
(mm c.a.)
15.6
14.7
13.8
12.9
12.0
11.2
10.5
9.7
9.0
8.3
7.6
7.0
6.4
5.8
5.3
4.8
4,3
3.8
3.4
2.9
2.6
2.2
1.9
1.6
1.3
1.0
1.0
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BUTANE (G30)
BURNER
GAS FLOW RATE
(kg/h)
2.61
2.52
2.44
2.36
2.28
2.20
2.12
2.03
1.95
1.87
1.79
1.71
1.63
1.55
1.47
1.39
1.31
1.23
1.15
1.07
0.99
0.91
0.83
0.75
0.67
0.58
0.58
46
BURNER NOZZLES
PRESSURE
(mbar)
1.88
1.76
1.64
1.53
1.42
1.32
1.22
1.13
1.04
0.95
0.87
0.79
0.72
0.65
0.59
0.53
0.47
0.42
0.37
0.33
0.29
0.25
0.22
0.19
0.17
0.15
0.15
(mm c.a.)
19.2
17.9
16.7
15.6
14.5
13.4
12.4
11.5
10.6
9.7
8.9
8.1
7.4
6.7
6.0
5.4
4.8
4.3
3.8
3.4
3.0
2.6
2.3
2.0
1.7
1.5
1.5
PROPANE (G31)
BURNER
GAS FLOW RATE
(kg/h)
2.56
2.48
2.40
2.32
2.24
2.16
2.08
2.00
1.92
1.84
1.76
1.68
1.61
1.53
1.45
1.37
1.29
1.21
1.13
1.05
0.97
0.90
0.82
0.74
0.66
0.58
0.57
BURNER NOZZLES
PRESSURE
(mbar)
2.38
2.20
2.03
1.87
1.71
1.57
1.43
1.30
1.18
1.07
0.96
0.86
0.76
0.68
0.60
0.53
0.46
0.40
0.35
0.31
0.27
0.24
0.22
0.20
0.19
0.19
0.19
(mm c.a.)
24.3
22.4
20.7
19.1
17.5
16.0
14.6
13.3
12.0
10.9
9.8
8.8
7.8
6.9
6.1
5.4
4.7
4.1
3.6
3.1
2.8
2.4
2.2
2.0
2.0
1.9
1.9
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Technical Documentation
Technical Documentation
List of accessories and optionals.
Super Comando Amico Remoto remote control
code 3.016577
Comando Amico Remoto remote control
code 3.011236
Digital weekly timer-thermostat
code 3.014438
Radio timer-thermostat (wireless)
code 3.014439
External Probe
code 3.014083
Telephone control
code 3.013305
Configurable relay interface kit
code 3.015350
Universal connection kit
code 3.011667
DHW recirculation kit (including pump)
(indoor only) code 3.015380
Top cover kit
code 3.018247
DHW recirculation probe kit code
code 3.018287
Polyphosphate dispenser kit (indoor only)
code 3.013499
Water network cut-off kit
code 3.018461
GSM telephone control kit
code 3.017182
Boiler anti-theft kit (mechanical)
code 3.015412
Cut-off cocks with filter kit
code 3.015854
Additional system expansion vessel kit
code 3.018433
Cut-off cocks kit
code 3.4297
Anti-freeze electric resistance kit (-15 °C)
code 3.017324
Zones control unit kit
code 3.011668
The boiler is prepared for coupling to the DIM (multi-system distribution manifold), available in 5 recess kits.
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Technical Documentation
Technical Documentation
VICTRIX ZEUS Superior kW I troubleshooting.
Before every intervention:
Check that the gas, water and electricity are correctly connected
to the boiler, according to that indicated in the data plate and
the instruction manual.
Also make sure that:
- the gas valve and boiler parameters are correctly adjusted;
- all devices outside the boiler function and are appropriately
adjusted;
- the external and internal fuses are integral.
Before maintenance interventions or replacement of components, remove the electric power supply upstream from the
appliance.
For correct use of the troubleshooting table, on intervention it
is recommended to press the Reset button, switch the boiler off
and remove voltage from the appliance for at least 5 seconds.
This is to allow the boiler to start a new ignition cycle.
Ignition cycle
Apply voltage to the boiler.
The display lights up.
No
See section A
The error 03 appears on the display
Yes
See error section 03 - a
The error 05 appears on the display
Yes
See error section 05
The error 10 appears on the display
Yes
See error section 10
The error 12 appears on the display
Yes
See error section 12
The error 15 appears on the display
Yes
See error section 15
The error 23 appears on the display
Yes
See error section 23
The error 24 appears on the display
Yes
See error section 24
The error 37 appears on the display
Yes
See error section 37
Yes
No
CENTRAL HEATING MODE
DOMESTIC HOT WATER MODE
Press the main button (
Press the main button (
), and then press button A (WINTER).
Turn the central heating selector switch to maximum to prevent domestic
hot water functioning by pressing button B.
N.B.: wait for the completion of any DHW request if the temperature in
the storage tank is below 20°C.
The pump starts.
No
See section B
Yes
Check the presence of the TA jumper on clamps
40-41 of the P.C.B.
N.B.: the jumper must not be present when
external devices are installed such as TA, CAR,
The pump starts.
N.B.: the display No clock programmer, etc...
must show
Check the effective request from any external
CH
devices (TA/CAR programmer clock). See
error section 31.
No
), and then button A (SUMMER)..
Turn the DHW selector switch to maximum and open the cock
N.B.: the display must show DHW
The 3-way valve goes into the DHW
See section C
position.
No
See section B
Yes
The 3-way valve goes
into the CH posiSee section C
No
tion.
Yes
No
The error 02 appears on the display
See error section 02 - a
No
The error 16 appears on the display
See error section 16 - a
The error 16 appears on the display
Yes
See error section 16 - b
The error 20 appears on the display
Yes
See error section 20
The pump starts.
Yes
No
The ignition electrodes make the
No
spark.
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 - a
Yes
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Technical Documentation
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No
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 - b
No
The error 04 appears on the display
(wait for the board to make 5 ignition cycle attempts).
See error section 04.
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 -c
The burner ignites.
Yes
The burner stays on after the first
No
10 seconds.
Yes
The error 27 appears on the display
Yes
See error section 27
The error 02 appears on the display
Yes
See error section 02 - b
The error 03 appears on the display
Yes
See error section 03 - b
No
Check MAX CH parameter and, if necesThe boiler reaches
sary, adjust it until a
and maintains the set
pressure value is obcentral heating tem- No
tained that corresponperature.
ds to the requested
output.
Check that:
- the OUTPUT parameter corresponds to
the boiler output.
The boiler reaches
- check the MAX SPEand maintains the set
ED parameter and,
No
DHW temperature.
if necessary, adjust it
until a pressure value
is obtained that corresponds to the maximum output.
See section D
Yes
The central heating request is satisfied.
See section D
Yes
The domestic hot water request is satisfied.
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Error codes.
ERROR 01
The cables between igniter and electrodes corresponds.
01
a
No ignition block
No
Restore the electric connection/replace the wiring.
No
Replace the igniter. If the anomaly persists, replace the P.C.B.
Yes
The igniter makes the spark.
At least 14 V DC is present on clamps 2-3 of the connector X19.
No
N.B: measure the voltage within the safety time (8-10 s)
01
b
Replace the P.C.B.
Yes
The wiring between the gas valve and P.C.B. is OK.
No
Restore the electric connection/replace the wiring.
Yes
Replace the gas valve.
N.B.: before replacing the valve make sure that there is enough gas inlet dynamic pressure and that the minimum and maximum output adjustment
are correctly made.
01
c
The electrode detects a direct current of 2-4 µA during the burner
No
ignition phase.
Replace the detection electrode and/or relative wiring.
Check correct position and distance between electrode and burner.
Check that siphon and the condensate exhaust duct are not blocked.
Yes
Replace the P.C.B.
ERROR 02
02
a
The wiring between the safety thermostat and P.C.B. is OK.
Over-heating safety thermostat block
No
Restore the electric connection/replace the wiring.
Yes
Check/replace the safety thermostat. If the anomaly persists, replace the P.C.B.
The safety thermostat functions regularly (intervention temperature
No
higher than 100°C).
Replace the over-heating safety thermostat.
Yes
The pump functions correctly.
No
See section B
No
Restore circulation in the CH system by acting on the closed devices
and also check:
- the correct positioning/functioning of the boiler by-pass;
- the opening times of any zone valve (on requirement it is possible to delay
ignition of the burner by acting on the boiler TIMER RT parameter);
- the correct functioning of any thermostatic valves.
No
Replace NTC probe.
Yes
02
b
Any CH system zone valve or cut-off cocks are open.
Yes
The NTC flow probe is OK (10 kΩ at 25°C).
Yes
Check/clean/replace the main heat exchanger (condensation module).
N.B.: it is recommended to check the correct pressure of the inlet gas and check any obstructions of the gas piping upstream from the boiler. Error 02 intervenes
also if the board detects a loss of the flame signal 6 times in 8.5 minutes.
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Technical Documentation
ERROR 03
03
a
03
b
The wiring between the flue safety thermostat and P.C.B. is OK.
Technical Documentation
Flue safety thermostat block
No
Restore the electric connection/replace the wiring.
Yes
Check/replace the flue safety thermostat. If the anomaly persists, replace the P.C.B.
Flue evacuation takes place correctly.
No
Clean/restore the correct functionality of the flue extraction elements,
checking lengths and any obstructions.
Clean/restore the correct functionality of the condensation module
checking that there are no combustion impurities deposited on the heat
exchanger (soot, oxidations, etc..).
Yes
If the anomaly persists, replace the P.C.B.
ERROR 04
The overheating safety thermostat functions regularly.
Contacts resistance block
No
Check the wiring and cleanliness of the electric connection, the continuity
of the thermostat contact and replace if necessary.
Yes
04
The connector and relative wiring between gas valve and P.C.B.
No
are OK.
Restore the electric connection/replace the wiring.
Yes
Replace the gas valve. If the anomaly persists, replace the P.C.B.
ERROR 05
05
Flow probe anomaly
The wiring between the flow probe and the board (connector X9
No
terminals 10-11) is OK.
Restore the electric connection/replace the wiring.
Yes
Replace the NTC flow probe. If the anomaly persists, replace the P.C.B.
ERROR 10
The boiler manometer displays a pressure exceeding 0.8 bar.
10
Insufficient system pressure
No
Restore the correct pressure by acting on the system filling valve.
N.B.: in this case it is always advisable to ensure that there are no leaks
in the central heating plant and check the correct factory-set value of the
expansion vessel.
No
Restore the electric connection/replace the wiring.
Yes
The wiring between the absolute pressure switch and the board is OK.
Yes
Check/replace the system pressure switch. If the anomaly persists, replace the P.C.B.
ERROR 12
12
Storage tank probe anomaly
The boiler prevents functioning in DHW mode but can function in CH mode
The wiring between the storage tank probe and the board (connector
No
X9 terminals 6-7) is OK.
Restore the electric connection/replace the wiring.
Yes
Replace the storage tank NTC probe. If the anomaly persists, replace the P.C.B.
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Technical Documentation
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Wiring configuration error
ERROR 15
15
The board is configured as boiler with storage tank.
(presence of the jumper between clamps 6-7 of the connector X7).
N.B.: This board can be used for instant type boilers (VICTRIX Superior kW)
or with storage tank (VICTRIX ZEUS Superior kW I). The board automatically
recognises the type of boiler by means of the relative wiring of the P.C.B.
No
For the VICTRIX ZEUS Superior kW I boiler check the PRESENCE of
the connection jumper between clamps 6-7 of the connector X7.
Yes
Replace the P.C.B.
ERROR 16
24 VDC is present to clamps 1-2 of the connector X7.
16
a
Fan anomaly
No
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Restore the electric connection/replace the wiring.
Yes
The wiring between the P.C.B. and fan is OK.
Yes
Replace the fan. If the anomaly persists, replace the P.C.B.
16
b
The wiring between the P.C.B. and fan is OK.
Check continuity of the cables on clamps 3-4-5 of the connector x7
Yes
Replace the fan. If the anomaly persists, replace the P.C.B.
ERROR 20
The detection electrode and the relative wiring are integral.
20
Parasite flame block
No
Check/replace detection electrode/replace wiring.
Yes
Replace the P.C.B.
ERROR 23
23
Return probe anomaly
The boiler can function in CH mode even though not optimally
The wiring between the return probe and the board (connector X9
No
terminals 8-9) is OK.
Restore the electric connection/replace the wiring.
Yes
Replace the NTC return probe. If the anomaly persists, replace the P.C.B.
ERROR 24
24
Push button control panel anomaly
The buttons on the control panel function regularly (check that a
No
"click" is heard when the button is pressed).
Check that there are no keys blocked or jammed under the control
panel.
Yes
Replace the display board
ERROR 27
The pump functions correctly.
Insufficient circulation
No
See section B
No
Restore circulation in the CH system by acting on the closed devices
and also check:
- the correct positioning/functioning of the boiler by-pass;
- the opening times of any zone valve (on requirement it is possible to delay
ignition of the burner by acting on the boiler TIMER RT parameter);
- the correct functioning of any thermostatic valves.
No
Replace NTC probe.
Yes
Any CH system zone valve or cut-off cocks are open.
27
Yes
The NTC flow probe is OK (10 kΩ at 25°C).
Yes
Check/clean/replace the main heat exchanger (condensation module). If the anomaly persists, replace the P.C.B.
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ERROR 31
31
Technical Documentation
Loss of remote control communication
The Remote Control is connected correctly.
N.B.: it is possible to use only remote controls supplied by Immergas No
(CAR or Super CAR).
Check the connection between P.C.B. (clamps 42-43) and remote control
(IN+ and IN-) carried out respecting the polarity and using a dedicated
line to prevent interference.
Yes
Replace the remote control. If the anomaly persists, replace the P.C.B.
ERROR 37
The boiler power supply voltage exceeds 190 VDC.
Low power supply voltage
No
Restore the correct electric power of the appliance (230 VDC ±10%).
Yes
37
The electric power supply connection wires and relative external
No
fuses are integral.
Restore the electric connection/replace the cables/external fuses.
Yes
Replace the P.C.B.
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Sections
230 VDC are present on the L-N terminals of the P.C.B.
No
Check the electric power supply upstream from the boiler and restore it.
No
See section E
No
Restore the electric connection/replace the wiring.
No
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Release the pump by acting on the shaft after having loosened the front
cap.
No
Replace the condenser.
Yes
A
The P.C.B. fuse is integral.
Yes
The wiring between the P.C.B. and display board is OK.
Yes
Replace the P.C.B. If the anomaly persists, replace the display board.
230 VDC is present to clamps 3-4 of the connector X16.
Yes
230 VDC is present on the Brown and Blue contacts (3-4) of the
pump connector (see drawing).
N.B.: carefully check the wiring of connector x16.
White = 5
Violet = 6
Black = 7
Brown = 4
Blue = 3
G/V
B
Yes
The motor shaft turns freely.
Yes
The start-up condenser is integral.
Yes
Replace the pump. If the anomaly persists, replace the P.C.B.
N.B.: It is advised to check pump functioning at all three speeds by acting on the PUMP SPEED parameter in the Configurations Menu.
CENTRAL HEATING MODE:
230 VDC are present to the clamps 1-3 of connector X1 on the
P.C.B.
C
DOMESTIC HOT WATER MODE:
230 VDC are present to the clamps 2-3 of connector X1 on the
P.C.B.
No
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Release/replace the 3-way cartridge.
No
Adjust CO2 values to Minimum and Maximum in compliance with that
stated in the instruction book.
No
Replace NTC probe.
Yes
The wiring between the 3-way motor and the board is OK.
Yes
The 3-way cartridge functions regularly (it is not blocked).
Yes
Replace 3-way valve motor.
The gas valve is calibrated correctly.
Yes
D
The NTC flow probe is OK (10 kΩ at 25°C).
In DHW functioning mode, also check the DHW NTC probe.
Yes
Replace the P.C.B.
The operations stated below are indispensable for checking the quality of the relay electric contacts positioned on the board.
E
Replace the fuses checking that there are no short circuited components (pump, fan, gas valve, etc...).
Check safety device times and the complete power removal from the gas valve, operating as follows:
- close the gas supply and make a functioning request;
- check that, after 2 ignition attempts, the display shows error "01".
- with the help of the single wire wiring diagram, use a tester to check that there is no voltage (24 V DC) on the gas valve power supply cables.
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