Generac IQ3500 — Automatic Transfer Operation
Operation · Transfer switch / control panel
For the Generac IQ3500, from the Generac owner's manual.
Applies to: Generac IQ3500, Generac GH-410 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-990 engine, Generac GT-999 engine
Procedure
- Make sure the transfer switch main contacts are set to their UTILITY position.
- Be sure normal UTILITY source voltage is available to transfer switch terminal lugs N1 and N2.
- Press the AUTO button on the Control Panel Interface.
- Set the Main Circuit Breaker (Generator Disconnect) to its ON (Closed) position.
Specs & values
- Utility failure detected below 65% of nominal
- Utility return detected above 75% of nominal
Full service-parts list: Generac IQ3500 →
Source: Generac owner's 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.