PSC-A5 Solar Charge Controller Manual
( 5A, 12V/24V Output, Double Mode )
1. Introduction:
This controller is suitable for 12V and 24V solar photovoltaic system. The charge and
discharge current is 5A. The maximum solar panel for 12V system is 90W/18V, for 24V
system is 180W/36V.
This controller provides both manual control mode and light control mode.
The
manual control mode mainly for industrial, commercial, telecom, transportation and
family solar energy system. The light control mode with automatic control for street
lighting, parking lot lighting, bus station lighting, park lighting and garden lighting.
2. Characteristics:
a.
Intelligent control, automatically identify the 12V and 24V output system.
b.
The light control mode has time controlled to delay and adjust lighting time.
c.
High reliability for lighting prompts, protections, alarm and set up instructions
with sound alarm.
3. Protections:
This controller has over charge, over discharge, battery reverse polarity, output short
circuit, solar panel input short circuit and reverse polarity protections, and with sound
alarm notice.
Details are shown as follows:
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PSC-A5 Solar Charge Controller Manual
Protection
Descriptions
Overcharge
Discharge
Indication
Prevent battery overcharge, the battery automatically
Charging
convert to trickle charge after fully charged
flashes quickly
Prevent
battery
excessive
discharge,
the
effective
Audible
indicator
alarm
and
protection of the battery
indicate
Reverse battery
Avoid improper operation to damage the battery
All indicators are off
Output circuit short
When the output current is > 1.5 times of rated current
Audible
light
LED
alarm
and
LED
alarm
and
LED
indicate
Output over voltage
When the output voltage is 10%> rated voltage
Audible
indicate
Solar
panel
input
Prevent the battery circuit short due to solar panels input
Automatic processing by the
short circuit
suddenly circuit short.
controller
Reverse Solar Panel
Protect solar panel and battery
Audible alarm
Input
< Table 1 >
Note:
For output short circuit protection, as long as protection occurred twice or
more times at night, the controller will automatically turn off, no longer
automatically recover until next night.
4. Operation Instructions:
The controller with dual-mode functionality. Respectively, the manual control mode and
light control mode. The mode indicator is on when the manual control is set. The mode
indicator is off when the light control mode is set. Two modes switch by pressing the
setting button and hold it to 5 seconds, it will switch to the other mode.
< Figure 1 >
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PSC-A5 Solar Charge Controller Manual
5. The light control and manual control mode setting:
A.
Light control mode settings
In light control mode, press the setting button and press the time in 0.1 - 2 seconds.
The delay time mode goes through ③②① three LED lights to indicate the
different combinations. Table II shows the corresponding modes (light on as a "●",
light off as a "○").
LED light ③②① delays mode adjust.
Mode
LED③
LED②
LED①
1
○
○
○
●
●
●
●
○
●
●
○
○
●
●
●
○
●
○
●
○
●
2
3
4
5
6
7
Delay Mode
Lights turn on and turn off after 2 hours
Lights turn on and turn off after 4 hours
Lights turn on and turn off after 6 hours
Lights turn on and turn off after 8 hours
Lights turn on and turn off after 10 hours
Lights turn on and turn off after 12 hours
Lights always on and off by light control
< Table 2 >
Note:
a.
The light control mode begins and scans from mode 1 to mode 7,
then repeated back to mode 1 and keep scanning.
b.
Any excessive force may damage the setting button key
c.
The light control mode relates to the output voltage of solar panel.
When the voltage drop less than 2V for 12V system (4V for 24V
system), the light control mode will turn on automatically. That means
when the output voltage from solar panel drop at sunset, the voltage
less than 2V, the light control mode will turn on. We can adjust the
settings by customer’s request.
B. Manual control mode setting
In manual control mode, press the setting button, you can turn on or off the output.
If the output short circuit or over current happened, the controller will automatically
turn off the output, and audible alarmed.
It will automatically recover after 6
seconds.
6. Specifications: (25 ℃)
Output voltage
12V / 24V
Max. solar panel power
90W 18V / 180W 36V
Re-supply voltage
11.8V /
Battery
Long time
reverse
23.6V
polarity protection
Output Control
Manual /Light mode
Self
consumption
≤30mA
Current
Max. output current
5A
Stop
voltage
-3mV/℃/cell
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PSC-A5 Solar Charge Controller Manual
temperature coefficient
Max. charge current
5A
Operating temperature
-20℃-——+70℃ (1/2 load)
5A output voltage drop
≤0.1V
Storage Temperature
-40℃-——+85℃
5A
≤0.1V
Moisture
Moisture protection
Max. charging voltage
14.7V / 29.4V
Dimension
140*90*26mm
Min. discharge voltage
10.5V / 21V
Suggest wiring
AWG12-17
charging
circuit
voltage drop
< Table 3 >
7. Installation:
a.
Before installation, check the solar panel and battery. Make sure the voltage and
the size of load within the controller power range.
b.
Connect the solar panel positive and negative outputs to the positive and
negative (solar panel) inputs of controller.
c.
Connect the battery positive and negative to the positive and negative (battery)
input of controller.
d.
Connect the positive and negative of load to the positive and negative of
e.
Check all connections are correct and tied.
f.
Check the output, battery and charging indicators are normal.
g.
In accordance with the needs, set either manual or light control mode.
controller.
8. Battery Conditions
Battery Voltage
<10.5V (12V system)
Battery Indicator
Off
<20.1V (24V system)
10.5V – 11.2V (12V system)
Blink cycle is 1.2 second
21.0V – 22.4V (24V system)
11.2V – 12.2V (12V system)
Blink cycle is 0.8 second
22.4V – 24.4V (24V system)
12.2V – 13.3V (12V system)
Blink cycle is 0.4 second
24.4V – 26.6V (24V system)
>13.3V (12V system)
Always on
> 26.6V (24V system)
<10.5V (12V system)
All indictors are off ( Include mode indictor)
<20.1V (24V system)
Charging indicator light indicates charge status and
During the day time, blink once in every 6 seconds when
the state during the day time
battery is charging, The battery indicator blinks high-frequency
after fully charged.
< Table 4 >
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PSC-A5 Solar Charge Controller Manual
9. Trouble Shooting
Common Failures
Without any indications
Fault Handling
Battery power may reverse, check the battery is connected
correctly
Connected solar panels to controller, the audible
Check the polarity of solar panel on the controller
alarm rings 1 second every 6 seconds.
Battery indicator does not light
Lack of electricity, it will automatic recovery until the battery is
fully charged
After turn on the controller, the output immediately
The output has short circuit, the problem will be solved after
shut down and audible alarm
remove it
When the solar panel works under the Sun, the
Check connections, it will automatically switch on after fully
charging indicator is off
charged.
The controller occurs audible alarm and shut down
The controller output lines are short, and remove it.
output
frequently
Connected to 24V system, the battery indicator
Make sure the battery voltage > 20V.
doesn’t work
< Table 5 >
10. Note:
1.
Before use, make sure the battery voltage, solar panel voltage and load voltage fit to
the controller.
2.
The output voltage from controller is the same as voltage of battery, make sure the
load voltage is complete match the battery voltage.
3.
Use the proper wires for all connections.
4.
To ensure good contact with solid wire, no short circuit and open circuit between the
controller input and output lines.
5.
To prohibit operating in the rain or soak in water in order to secure the system.
6.
Non-exposure, don’t leave the controller directly under the Sun or in the very cold
temperature. It will reduce the life of controller.
7.
To avoid the violent collision and vibration during transportation.
8.
The controller may not access a variety of corrosive liquids and gases.
9.
The controller will be generated certain heat in operating, it should provide
sufficient space for heat dissipation.
10. The value in above < Tables> for reference only.
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