Cummins/Onan RSS100 / RSS200 — AC Connections
Installation · Transfer switch power terminals
For the Cummins/Onan RSS100 / RSS200, from the Cummins/Onan service manual.
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Before you start
- Disconnect generator battery (negative (-) terminal first) before proceeding.
- Make sure that both AC power sources are disconnected.
Procedure
- Test the operation of the generator set from its own control.
- Stop the generator set and remove the negative lead from the cranking battery.
- Make sure both AC power sources are disconnected.
- Connect power cables of sufficient size to the line, load, and generator terminals marked A and B.
- Tighten the terminal lugs as indicated in Table 2 or Table 3.
Tools required
- Wire brush Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 100 Amp utility, generator, and load terminals: 120 In-lbs (14 N·m)
- 200 Amp utility, generator, and load terminals: 275 In-lbs (31 N·m)
- Utility circuit breaker terminals 100 and 200 Amp: 250 In-lbs(28 N·m)
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.