Please pay close attention to the following wire specifications
Wire Size
Refer to the “WIRE SIZE” chart below to determine the minimum size wire needed for each connection.
When using heavy stranded wire, you may need to divide the ends into two groups and straddle the screw
on the terminal block.
WIRE SIZE
Battery Connection Distance Round
Trip
Solar Array Connection Distance Round
Trip
Length of
Wire
not more than 0.6m (2ft)
6m (20ft)
9m (30ft)
12m (40ft)
AWG
6 or 8
10
8
6
Wire Type
It is better to use a stranded wire than a solid wire. Stranded wire does not fatigue and cause loose
connections over time as easily as solid wire. Use red wire for positive (+) and black wire for negative (-).
One 6 AWG wire,stranded, or two 8 AWG wires are suitable. It is best to connect the wires to the
controller using crimped connectors. Ensure tight connections.
NOTE: Any variation of wire size or length will affect the performance of the charge controller.
Operation
Once properly mounted and connected, the charge controller will start charging immediately given adequate
solar power. The 12 Volt 30 Amp Solar Charge Controller is based on a three stage charging algorithm; Bulk
Charge Mode, Constant Voltage Mode and Float Mode.
Battery condition is indicated by the LED lights. The controller will indicate the battery condition in three
states: GOOD (green), FAIR (yellow), LOW (red). Please refer to label.
Please note the charge controller is not able to start the charging process if the initial battery voltage is less
than 5 volts (+/- 0.3).
Monitoring
The 6 LEDs Indicate charging status and battery conditions. These functions are described below:
Solar Power Indication
(Solar power LED – red
)
ON:
Indicates solar panel properly connected and solar power supplied normally.
OFF:
No power available or insufficient voltage to active charge controller.
Charging Status
(“Charging” LED – yellow
; “Float” LED – green
)
