5
Option 2. Hardwiring using screw terminal option.
Step 1. Mount regulator and battery in a suitable position. Ensure to carefully measure
the cable from the regulator to battery. Refer to Cable Size Cart below.
Note: Do not remove the rubber covers “4”, these are designed to create a seal and
protect the terminations from moisture and dust.
Step 2. Ensure cable sizing is appropriate for length of wire as per chart below. Wires to
connect the battery and solar panel to the regulator will be required to be crimped with
M5 ring terminals.
Step 3. Battery Connection: Terminate the battery positive and negative cables to the
regulator (2), ensuring bolts are securely tightened. Connect the negative cable to the
negative terminal on the battery. Using an inline 40A fuse of circuit breaker, connect the
positive wire to the positive terminal on the battery
Step 4. Solar Panel Connection. With the solar
panel unplugged from the solar connection lead,
terminate positive and negative solar cables to
regulator (3), ensuring bolts are securely
tightened. With the solar panel out of the sun,
connect all cables to solar panels, ensuring a
well sealed termination.
Note: Alway use the correct solar cable as directed by
solar panel manufacture and is a minimum of 4mm².
External Battery Temperature Sensor (1):
We recommend installing the external temperature sensor when battery and regulator
are installed in separate locations from each other or the temperature range where the
battery is installed may range outside of the normal operating range. The sensor is
designed to optimize the charging performance subject to the battery temperature
detected while also providing over temperature protection. If over temperature occurs,
the regulator will automatically stop charging.
Please refer to the cable size chart to determine the minimum size cable needed for
ensuring the best performance of regulator
Cable Size Chart - Distance of Regulator from Battery
Cable length (One way)
2 - 4M
4 - 6.5M
<2M
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