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Generac IQ3500 — Manual Transfer to Generator Power Source

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

Before you start

  • DO NOT activate the transfer switch manually until all power voltage supplies to the switch have been completely turned off.

Procedure

  1. Press the Control Panel OFF button.
  2. Set the Main Circuit Breaker (Generator Disconnect) to its OFF (OPEN) position.
  3. Turn off the utility power supply to the transfer switch using the means provided.
  4. Use the manual transfer handle to move the main contacts to their STANDBY positions.
  5. To crank and start the engine, press the Control Panel MANUAL button.
  6. Allow the engine to stabilize and warm up for a few minutes.
  7. Set the Main Circuit Breaker (Generator Disconnect) to its ON (CLOSED) position.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

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.

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