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6800/342/00
Issue 01
INTERNAL LAYOUT AND NOTATION
OF FSR POWER SUPPLY UNITS.
FSR – ‘B’ SERIES P.S.U. INFORMATION
GENERAL
The FSR units have been designed to provide the necessary voltage and current for various electromagnetic Firedoor
Stays and Door Holders.
TRANSFORMER
FUSE
500mA QB
RELAY
BASE
Each of the FSR units can supply a variety of Door Control Units, but care must be taken not to exceed the Maximum
Design Current.
TRANSFORMER
NOTE: Current consumption for each of the door control units differs therefore the number of these devices that can be
supplied by each FSR is as per the table below.
TB3
FUSE
TB1
MAXIMUM NUMBER OF DOOR CONTROL UNITS TO BE SUPPLIED BY ONE FSR
DOOR CONTROLLER
RELAY BASE
RL1
RELAY C NO NC
FSR-4B UNIT
FSR-20B UNIT
FSR-50B UNIT
2130B.TE
3
15
38
996
3
15
38
533
5
28
70
503
5
28
70
Where an FSR is used to supply a variety of devices, work to the above figures, not exceeding the Maximum
Design Current.
PLUG IN MAINS COIL
RELAY COIL 48V MAX TB2
ELN
INTERFACE
240V
LN
MAINS COIL - + NO NC C
MAINS
INPUT
24V DC SUPPLY
RELAY TERMINAL
TB3
TB1
ELN
OUTPUT
TERMINAL
FSR 4B
F1.2A
E
RELAY COIL C NC NO
MAINS RELAY
48V MAX
COIL
TB2
INTERFACE PLUG
IN OPTION
LN 240V AC
MAINS COIL
240V
MAINS
INPUT
+ 24V -
OUTPUT
TERMINALS
C NO NC
RELAY
TERMINALS
FIG. 7
NOTE:
When installing any fire controls consult your LOCAL FIRE AUTHORITY, use BS 5839 Part 1 as a guide for cables etc.
FSR 20B
SUMMARY OF FSR-B SERIES P.S.U.
FSR-4B
FSR-20B
FSR-50B
Maximum Design Current
280mA
1.4 Amps
3.5 Amps
Minimum Load Resistance
85 Ohms
500mA
Quick-blow
17 Ohms
2 Amp
Slow-blow
Continental Cradle
Uniross U2 CGS or similar
Two sets of 5 Amp change over
6.8 Ohms
5 Amp
Slow-blow
Miniature Power Relay
I.M.O.LY2
Two sets of 10 Amp change
12V dc, 24V dc, 48V dc
12V dc, 24V dc, 48V dc
20mm Fuse Rating
Relay Type
Contacts and Ratings
Coil Voltages
Approximate Dimensions
Input Voltage
160 x 110 x 55mm Deep
240V ac nominal 50/60Hz
228 x 152 x 76mm Deep
Output Voltage
28V nominal, full wave rectified DC
TRANSFORMER
228 x 228 x 101mm Deep
FUSE
E
RELAY BASE
F1.5A
TB3
ABRIDGED FIRE DOOR CONTROL INFORMATION
TB1
Product
Code
2130B.TE
996
Closer Type
Application
Incorporated in device
-
Incorporated in device
Fig. 1, 61, 66
Approx.
Current
90mA
90mA
Semi flush fixing, or surface with 533C cover,
50mA
533
Overhead Door Closers, Floor Springs.
or floor mounted with 553.FMB Bracket.
Semi flush fixing, or surface with 533C cover,
50mA
503
Overhead Door Closers, Floor Springs.
or floor mounted with 553.FMB Bracket.
Note: For devices other than these the relevant manufacturer should be consulted for details of voltage
requirement and current consumption.
ELN
MAINS RELAY
COIL
INTERFACE PLUG
IN OPTION
RELAY COIL C NC NO
48V MAX
TB2
LN 240V AC MAINS COIL
240V
MAINS
INPUT
+ 24V -
OUTPUT
TERMINALS
FSR 50B
C NO NC
RELAY
TERMINALS
FIG. 9
Ingersoll Rand Security Technologies, Walsall, West Midlands. WS1 4DL
Technical Services, Tel: 0800 834102 Web: www.securitytechnologies.ingersollrand.co.uk
FIG. 8
APPLICATIONS
(For all applications ensure that for multizone systems, doors only operate as and when required - consult your Local Fire Authority).
These applications are offered as suggestions only. The final method used must be determined by qualified personnel in the light of the
relevant local regulations, requirements and conditions. Therefore this company can accept no liability for problems that may
arise from the use of these suggested applications.
Fire Alarm system provides an isolated
contact that opens on alarm.
Fire Alarm System
Open on Alarm
+
Tran.
24V
Rec. -
L
N
E
NOTE.
For the operation of relays consult the alarm manufacturer for details of polarisation and suppression of relays (these items if required
must be fitted by the system installer).
ACTION TO BE TAKEN SHOULD A FUSE RUPTURE
1. Turn off mains power.
2. Carry out the details given in the “Commissioning” section.
To Fire Stays
FIG. 1
As fig.1 - but preferred where cable
runs would otherwise be excessively
long. An interposing relay may be
required, consult alarm manufacturer.
Fire Alarm System
Open on Alarm
L
N
E
+
Tran.
24V
Rec. -
COMMISSIONING SYSTEMS INCORPORATING FSR UNITS
Before applying mains power.
1. Remove the secondary fuse.
2. Measure the load resistance presented to the output of the unit and ensure that it is NOT BELOW that stated in the Summary of
FSR Units.
3. Apply mains power and monitor the output current, ensuring that it is NOT GREATER than that given in the Summary of FSR
Units.
4. Refit the fuse and continue commissioning the remainder of the system.
To Fire Stays
NOTE.
DO NOT “WIRE” THE FUSE HOLDER. ALWAYS REPLACE THE RUPTURED FUSE WITH ONE OF THE CORRECT RATING.
RELAYS
The relays are optional extras. If one is required there is provision to fit one in each FSR unit, for which the base and volts-free
terminals are provided. When ordering the relays please quote a) Coil voltage required
b) FSR type number
NOTE.
Relay coils and terminals are independent and must be connected to supplies as required.
For 240V ac operation of the relay coil, an interface module FS3 is required, as well as a 24V dc relay for that particular FSR unit.
The module FS3 is slipped onto the connector PL: 1 and held in place using the small self tapping screw.
The 24V dc relay is plugged into the standard relay socket.
The 240V ac supply used for the relay operation is connected into the terminals “ L.N. MAINS COIL”. In this instance do NOT use the
terminals “RELAY COIL 48 V MAX”, (this is connected internally in this application).
FIG. 2
CAUTION: NEVER connect 240V ac supplies to any terminals other than:
1. L.N MAINS COIL
2. E.L.N. MAINS
Finally NEVER allow broken or loose 240V ac leads to track onto 24V dc terminals or connections.
Fire Alarm System
Open on Alarm
L
N
E
Tran.
Rec.
As fig.1 - but where fire alarm system
contacts are not rated high enough.
Relay
no
nc
E
+
c
24V
-
R
L
N
FSR 20-B
1043/100
20mm
Fuse
FIG. 3
PL 1
1
Fire Alarm System
Close on Alarm
Tran.
Rec.
Relay
no
nc
E
FIG. 4
Fire Alarm System provides a
voltage output on alarm (relay coil
to be selected to match this voltage).
Relay
no
nc
L
N
240V ac
INPUT
N
Caution
240V ac Mains Coil
NC
NO
C
NO
24V DC Output
NC
FS3 INTERFACE MODULE IN POSITION SECURED BY SMALL
SCREW. (DO NOT OVERTIGHTEN)
240V ac COIL INPUT CONNECTIONS
This drawing is intended to show how an FS3 interface module is fitted to an FSR board. The above example is an FSR 20B.
NOTE.
Precautions to be taken when connecting into existing alarm circuits.
+
c
24V
-
+
FIG. 6
NOTE: WHENEVER YOU ARE WORKING ON
AN FSR UNIT ENSURE THAT MAINS FEED,
AND COIL FEED ARE ISOLATED.
Close on Alarm
to voltage source
Tran.
Rec.
C
L N
c
-
L
N
E
Relay Coil
48V max
+
24V
Fire Alarm System
6
FIXING
SCREW
As fig.1 - but where fire alarm system
contacts are not rated high enough.
L
N
E
24V DC
RELAY
R
FIG. 5
In the interest of continued development the company reserves the right to change the specifications of items detailed, without notice.
Always consult local authorities and the alarm manufacturers before adding any extra circuits to the existing alarm circuit, as there may
be problems with Zone Controls and the termination of devices. If after full consultation, circuits are to be added, these may need to be
terminated to allow full correct operation of the alarm system. As there are many variations of terminations no facilities are available
within the FSR unit to fit polarising diodes, suppression diodes, etc. These must be fitted at either the terminals of the FSR unit or at the
point of connection into the alarm circuit.