User Manual

WARNING

• Please read these instructions completely prior to installation.

• Lead acid batteries can be dangerous. Ensure no sparks or flames are present when

working near batteries. Eye protection should be used. If mounting on a vehicle follow

all manufacturers’ instructions.

• Given sufficient light solar panels always generate energy even when they are

disconnected. Accidental ‘shorting’ of the terminals or wiring can result in sparks

causing personal injury or a fire hazard. It is recommended to cover the front face

of the panel(s) with a soft cloth to block incoming light during installation.

• For use with 12V or 24V (nominal) solar panels.

• For indoor, out of weather use only.

• Do not exceed the total limit of the solar controller:

P/No. SC320: 20A

P/No. SC330: 30A

FEATURES

3 STAGE CHARGING

Ideal for deep cycle batteries, SC320 & SC330 deliver 3 stage charging, maximising

battery life and performance. The in-built temperature sensor adjusts the output

guaranteeing a thorough charge in all conditions.

• Maintains your battery ready for use

• Safe to leave permanently connected

• Prevents solar over-charge/discharge

PROTECTION

Solar Array Short Circuit

If solar array short circuit occurs, clear it to resume normal charge automatically.

Load Overload

If the load current exceeds the rated current of controller ≥1.05 times rated discharge

current, the controller will disconnect the load. The cause of the overload must be

corrected, it can then be cleared by pressing the switch button.

Load Short Circuit

Full protection against load wiring short-circuit ≥2 times rated discharge current.

After one automatic load reconnect attempt, the fault must be cleared by restarting

the controller or pressing the switch button.

Solar Reverse Polarity

Full protection against solar reverse polarity, no damage to the controller will result.

Correct the miswire to resume normal operation.

Battery Reverse Polarity

Full protection against battery reverse polarity, no damage to the controller will result.

Correct the miswire to resume normal operation.