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Generac QT 1.5L 20kW — Engine Start-up and Transfer (Manual Transfer Switch)

Operation · Transfer switch / generator

For the Generac QT 1.5L 20kW, from the Generac owner's manual.

Applies to: Generac QT 1.5L 20kW, Generac In Line engine

Before you start

  • Do not crank the engine continuously for longer than 30 seconds, or heat may damage the starter motor.
  • Do not attempt manual operation until all power supplies to the transfer switch have been positively turned off.

Procedure

  1. Turn OFF or disconnect the utility power circuit to the transfer switch.
  2. Set the transfer handle to its UTILITY (NORMAL) position with load circuits connected to utility.
  3. Set the standby generator's main line circuit breaker to its OFF (or OPEN) position.
  4. Start the generator.
  5. Let engine stabilize and warm up; check all instrument and gauge readings.
  6. Move the transfer switch manual handle to its STANDBY (GENERATOR) position.
  7. Set the standby generator's main line circuit breaker to its ON (or CLOSED) position.

Full service-parts list: Generac QT 1.5L 20kW →

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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