Generac — Transferring from Generator Power to Utility Power
Operation · Transfer switch / portable generator
From a Generac service manual — check it applies to your exact model before use.
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Procedure
- On the Transfer switch, turn OFF Generator MAIN breaker and turn ON Utility MAIN breaker by sliding the interlock mechanism up with the left hand while turning on the breaker
- Turn ON any branch circuit breakers in the Transfer switch and Main Load Center that are OFF
- Shut down the generator per the generator Owner's Manual
- Unplug the power cord from the Transfer switch and then the generator
- Let the generator cool down before storing in a dry, secured location
- Start and run the generator under load at least once a month, with tank filled with fresh fuel, to keep it properly exercised
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.