Cummins/Onan RSS100 / RSS200 — Connecting the Transfer Switch to the Generator
Installation · Terminal block TB2
For the Cummins/Onan RSS100 / RSS200, from the Cummins/Onan service manual.
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Before you start
- AC voltages and currents present an electrical shock hazard. Disconnect the AC power source.
Procedure
- Make sure the generator set is not running and cannot be started; disconnect the batteries and place the generator control in the Off position.
- Run a minimum of three wires from the generator set to the terminal block in the transfer switch cabinet.
- Connect Battery Positive (B+) to TB2-3.
- Connect Battery Negative (GND) to TB2-1.
- Connect Remote Start to TB2-4.
- For a ground (B-) start signal, connect a jumper from TB2-1 to TB2-2.
- For a positive (B+) start signal, connect a jumper from TB2-2 to TB2-3.
Specs & values
- Wire resistance must not exceed 0.5 ohm per line
- Strip insulation back 3/8 inch (10 mm)
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.