Product Manual

SYSTEM WIRING

WIRING PRECAUTIONS

• Ensure that all connections are made using REDARC recommended connectors and cables

or other suitably rated connectors and cables.

• Ensure that total system current does not exceed the maximum current rating for either the

cables or any connectors that are subject to the total current of the system.

• Ensure that grounding and fusing is adequate and sound for the system as per wiring

diagrams on page 10.

• Ensure that all MC4 connections are crimped with the correct MC4 crimping tool. Contact

REDARC for more information on purchasing this tool.

• All cable entries into the vehicle must be suitably sealed, REDARC Single or Double Cable

Glands are recommended.

• If your regulator has a dedicated solar input ground (negative) terminal ensure that the

negative ground from your solar panels is connected here.

PARALLEL AND SERIES CONNECTIONS

Solar arrays can be connected in Parallel or Series as per the diagrams below, or a combination

of the two. Connecting two panels (same wattage) in parallel will multiply the total output

current by 2 and keep the system voltage at the same level. Conversely, connecting two panels

(same wattage) in series will multiply the system voltage by 2 and keep the output current at

the same level. Parallel connections should be made using ‘Y’ connectors available through

REDARC Solar suppliers. Series connections should be made by connecting the negative

connector of one panel to the positive of the next.

PARALLEL CONNECTION SERIES CONNECTION

2 x 12V, 80W panels

1 x 12V, 160W array

2 x 12V, 80W panels

1 x 24V, 160W array