Generac — Manual Shutdown and Retransfer Back to Utility

Operation · Transfer switch / generator

From a Generac service manual — check it applies to your exact model before use.

Applies to: Generac GH-410 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-990 engine

Procedure

1. Set the generator main line circuit breaker to its OFF or "Open" position.
2. Let the generator run at no-load for a few minutes, to cool.
3. Set the generator AUTO-OFF-MANUAL switch to OFF. Wait for the engine to come to a complete stop.
4. Turn off the utility power supply to the transfer switch using whatever means provided.
5. Manually actuate the prepackaged transfer switch to its UTILITY source side.
6. Turn on the utility power supply to the transfer switch, using whatever means provided.
7. Set the generator AUTO-OFF-MANUAL switch to AUTO.

Source: Generac 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.

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