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SOLAR OFF-GRID SYSTEM MANUAL
Sample AS 1000VA
COTECH SOLAR GROUP LIMITED
No. 580, Zhengli Rd, Yangpu District, Shanghai
TEL:0086-21-55665687
FAX: 0086-21-55665634
WEBSITE:www.cotechsolar.com
EMAIL:[email protected]
SOLAR OFF-GRID SYSTEM MANUAL
TABLE OF CONTENTS
1．Product Introduction
1.1. Features Description ……………………………………………….….……1
1.2. Technical data……………………………………………………..….………1
1.3. Storage and Working environment…………………………………………2
1.4. Appliance……………………………………………………………………...2
2. Instruction of Installation
2.1. Before fixing………………………………..…………………………………2
2.2. Outside view of solar home system…………………….…………….……2
2.3. Install solar panel………………………………………………..………..….3
2.4. Connecting …………………………………………………….….…….…...4
3. USAGE INSTRUCTION
3.1. Outside view of power box………………………………………………….6
3.2. The system panel and setting value code explanation…………………..7
3.3. Using Method………………………………………………………………...8
4.
Fault and Measures
4.1. The emergency measures of fault……………………………….…….…..9
4.2. Power box fault diagnosis and corrective measures………………….....9
4.3. Regular checking…………………………………………..……………..….9
5. Other notice
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SOLAR OFF-GRID SYSTEM MANUAL
1．Product Introduction:
Cotech Solar series Solar Power System adopts advanced technique from Germany, develop and design
new generation Solar PV System: Simplified structure, reliable performance, easy operation. This Solar
Power System can offer stable and reliable electricity to those regions where are short of power or even
without power.
1.1. Features Description
A. High Efficiency. Solar controller: Double Close-loop Controller (both voltage & current control). It
ensures the solar panel charges the battery farthest. Experiment tells us, under the same
environment and same load condition, this Solar Power System can save 15% solar panel.
B. Driver of inverter, special micro-computer control way, its main circuit adopts latest advanced Intelligent
Power Module (IPM), to provide a stable, accurate output voltage, offer high-quality, high reliability
Power for a variety of terminal equipments.
C. Mature protective function. There is a series of protective measures, including over-voltage &
under-voltage DC input protection, against inversion of polarity DC input protection, over load &
short-circuit AC output protection, overheating protection to assure the system is safe and reliable and
excellent in performance.
D. Humanized Human-Computer Interaction interface, with the inquiry function about failure and running
state information
1.2. Technical data:
ITEM
Capacity
Rate Output Power
Output wave
Output current
Precision of output voltage
Precision of output frequency
False output wave of AC
Power factor
Overload ability
Invert efficiency
Output voltage
Output frequency
Maximum output power of solar Module
Maximum output voltage of solar module
Maximum output current of solar module
Battery capacity
Best output power everyday
2
SPEC
1000VA
800W
Pure sine wave
3.6A(220V) / 7.3A(110V)）
±3%
±0.1%
less than 3%
0.8
120%,30 seconds
More than 85%
AC220/110V
50/60HZ
800W
70V
11.4A
48V240AH
2920WH
SOLAR OFF-GRID SYSTEM MANUAL
1.3. Storage and Working environment
A. Storage
To avoid possible damage, take notice of the following items when restoring.
a. Placed in the ventilation and away from dust and dirt area;
b. Environmental temperature:
Inverter & Battery: -10℃ ~ 50℃;
Solar panel: -40℃~ 90℃;
c. Relative moisture less than ninety percent, and without the phenomenon of drip
congealed;
d. Away from erosive gas and liquid;
e. Long-period of no using, discharge and charge once six month.
B. Working environment
a. Working temperature:
Inverter & Battery: -10℃ ~ 50℃;
Solar panel: -40℃~ 90℃;
b. Moisture: 0 ~ 90%;
c. Elevation: ≤ 5000m;
1.4. Appliance
Tour, nomads, families, boat, island, none or short of electricity area, Satellite Ground
Stations, weather stations, forest fire stations, Border-guard Stations, etc.
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SOLAR OFF-GRID SYSTEM MANUAL
2. Instruction of Installation
2.1. Before fixing (Fittings list)
Part
Power box
Battery
Solar panel
Solar bracket
Other
SPEC
1000VA
12V120AH
17.5V100W
QTY
1 pcs
4 pcs
4 pcs
2 set
wires,
MANUAL, CERTIFICATE, WARRANTY REGISTRATION CARD
2.2. Outside view of solar home system
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SOLAR OFF-GRID SYSTEM MANUAL
2.3. Install solar panel
Sketch map of solar panel bracket installation:
S4
S1
S2
S5
STEP A：
Install S1&S2&S3
STEP B：
Install
S4&S5&S6
S3
STEP C：
Install solar panel
STEP D：
Cycle STEP A & B & C,
finish installation
1. The installation place: no shadows on the surface of solar panel in the sunlight;
2. The angle:
City:
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SOLAR OFF-GRID SYSTEM MANUAL
2.4. Connecting
A.
Connection attention
DANGER
In order to avoid electrocution and fire hazards, pay attention to the follow:
a. Before wiring, please make sure the switch on the power box is OFF.
b. Please ask the professional electrical engineer to wire.
c. Ground-connector must reliable.
d. Make sure the wire connection is correct.
e. Do not touch the terminals or circuit boards; do not short connect the terminals.
f. The inverter AC output terminals with high-voltage, please keep it away from children.
g. Do not increases, decrease, change the parts (especially solar panel, battery )
NOTICE
a. Before connecting wire, please confirm the storage battery voltage is in accordance
with the power box voltage.
b. Connection order: power box – battery, then, power box – solar panel; cutting order:
The inverter AC output terminals with high-voltage, please keep it away from children,
then, power box – battery, or the system will be damaged.
c. Please DO NOT do withstanding voltage test to the power box, or, the semi-conductor
component and other devices will be damaged.
d. All switches must in "OFF", check the load is short-circuited or not.
B. Connection terminals
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SOLAR OFF-GRID SYSTEM MANUAL
a. Terminal explanation
No.
Name
Function
Wire size
Connect with the battery +
6㎜2
1
BATTERY+
Connect with the battery 6㎜2
2
BATTERYConnect with PV output +
2.5 ㎜ 2
3
PV OUTPUT1 +
Connect with PV output 2.5 ㎜ 2
4
PV OUTPUT1 Connect with PV output +
2.5 ㎜ 2
5
PV OUTPUT2 +
Connect with PV output 2.5 ㎜ 2
6
PV OUTPUT2 Connect with AC output +
2.5 ㎜ 2
7
AC OUTPUT L
Connect with AC output 2.5 ㎜ 2
8
AC OUTPUT N
Connect with the ground
4㎜2
9
EARTH E
Turn on/off solar panel
/
10
PV1
Turn on/off solar panel
/
11
PV2
Dissipate the heat inside of the
/
Radiator
12
case
dissipation hole
Notice: First connect the battery cable to the battery terminal, note the polarity, and then
connect solar panel, lastly the load.
b. Drawing of the solar panels connection
c. Drawing of the batteries connection
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SOLAR OFF-GRID SYSTEM MANUAL
3. USAGE INSTRUCTION
3.1. outside view of power box
3.2. The system panel and setting value code explanation
No.
13
14
Name
PV1
PV2
15
Inverter
16
Low voltage
17
Over voltage
18
Over load
19
20
21
22
23
Reset
Output voltage
Output current
Switch
Digital display
Function
Show whether PV input is connected or not
Show whether PV input is connected or not
Shows whether controller output is running or not
(bright: running)
Shows whether battery voltage is low-voltage or not
(bright: low voltage)
Shows the inverter output is over-load or short-circuit
(bright: low voltage)
Shows the inverter output is over-load or short-circuit
(bright: over-load, flash: short-circuit)
“stop/start” of the inverter
Show AC output voltage
Show AC output current
Turn on or off the Inverter
Display the status of system
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SOLAR OFF-GRID SYSTEM MANUAL
Setting value code explanation
Code
fs00
fs01
fs02
fs03
fs04
fs05
fs06
fs07
fs08
fs09
fs10
fs11
fs12
fs13
fs14
fs15
fs16
fs17
fs18
fs19
fs20
fs21
fs22
fs23
Parameter
Battery over discharge voltage
Battery over discharge and recover voltage
Battery over-voltage
Battery over-voltage recovery
Battery mean charge voltage
Battery floating charge protection voltage
Battery voltage over high action value
Mean charge protection voltage(using when system
expands)
Mean charge protection voltage(using when system
expands)
Charge current protection value
Temporarily don’t, using when system expands
Over-load current protection value
Choice of charging loop quantity
Modify password
Recover leaving factory value
Load short-circuit decrement gradually value
Recommended load short-circuit value
Show minute
Show hour
Show day
Show power generation quantity on month
Show discharge quantity on month
Show power generation quantity on day
Show discharge quantity on day
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Setting value
43.2(v) can set
52.8(v) can set
70(v) can set
66(v) can set
52.8(v) can set
57.6(v) can set
60(v) can set
/
/
5.7(A) can set
0
20(A) no use
2 (way)
0-disable 1-enable
0-invalid 1-recover
100 (time)
100 (time)
Can modify in pc
Can modify in pc
Can modify in pc
/
/
/
/
SOLAR OFF-GRID SYSTEM MANUAL
A． Fs13 is modifying password, if it is set “1”, namely allow setting, in order to prevent the
not professional personnel mistaking operation, the controller has already changed into
“0” before leaving factory.
B． Fs14 is set “0”, if recovering leave factory value please set “1”. But value set by you isn’t
being stored.
C． The leave factory initial value is reference one, each storage battery over-charge and
over-discharge voltage are different, please set by oneself or ask the storage battery
supplier.
D ． When connecting the moment of storage battery, the all front panel nixie tube
manifestation are bright, because at first, the micro-computer wants to carry on
checking by oneself, if the controller isn’t used as long as time, checking by oneself
isn’t finished, which is normal phenomenon, at this time cut storage battery, connect
storage battery again.
E． Digital access parameter values can be operated as follows:
Press ”PROG”, nixie tube will show “PROG” again, and then press “READ” again, nixie
tube shows the parameter value of “fs00” code; Press ”PROG” again, and then press”
△”, nixie tube shows “fs00”, next press “READ”, nixie tube shows the parameter value
of “fs01” code. The rest may be deduced by analogy, nixie tube can consult
corresponding parameter value of fs00-fs23 code. “△” is up (or increment), “△” is
down (or decrement).
F． While modifying parameters, according to operation as follows:
Firstly press “PROG”, secondly press “△”, until nixie tube shows “fs13”, if “fs13” shows
“0”, and then press “△”, parameter will change “0” into “1”, next press “enter”, finally
fs13 will be set successfully.
G． In any state if you want to check battery voltage, please click “enter” button then you can
view this state.
3.3. Using Method
A.
Power the load:
a. Connect the load with ”AC output”; make sure the load is OFF.
b. Turn the “Switch” ON,
c. “Inverter” indicator light turns on,” Output voltage” shows the output voltage. The
voltage of the electric appliance must be match this system.
d. Turn on the load.
B.
Cut the load:
a. Turn off the load.
b. Turn the “Switch” OFF.
C. Charging
Connect the solar panel and power box.
Notice: when the load is not working, make sure the Switch is OFF to save the power,
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SOLAR OFF-GRID SYSTEM MANUAL
4.
Fault and Measures
4.1. The emergency measures of fault
A.
B.
C.
D.
Cut off solar panel wire;
Cut off AC output loop;
Cut off battery;
Wait for two minutes or longer time and make sure the electric charge of capacitances is
empty.
E. Cut off boat-shaped switch and Reset button;
4.2. Power box fault diagnosis and corrective measures
Fault
Checking content
measures
Is the connection among the solar
Solar panel can not panels, among the batteries, between
Connect them again
charge
the solar panel and controller, between
the battery and controller right?
The Battery voltage LED
Cut off the load, and
Is it lack of power?
is red.
charge it timely.
The over-load LED is
Is the load running on over-power
Decrease the load.
bright
The over-load LED is Is the load short circuit? Or is the
Cut off the load
flash
temperature of radiator too high,
When checking, please do firstly cut off the PV input, then the load, lastly cut off the battery,
do not cut off battery before you don’t cut off solar.
4.3. Regular checking
Components
All terminals
inside the machine
Cycle
One
year
content
measure
loosen
Screw down
dust and dunghill
With 392 kPa - 588kPa pressure
dry compressed air
5. Other notice
A. Apart from professionals, do not carry on inspections and maintenance.
B. Do not operate switch with wet hands, Do not using wet cloth to clean panels, against
water inflow power box.
C. Make sure the earth wire is connecting well.
D. It is normal to have heat radiation during the power box working time, but keeps the
install environment airiness, good heat dissipation, and clean, especially do not cover
the ventilated window.
E. The fan in the machine box is controlled by temperature, that the fan do not work is
normal phenomenon when load is small. When temperature is higher than 50 ℃, the
fan is running.
F. Other circumstances please contact with us directly.
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