Generac 005308-0 owner manual Transfer Back to Utility Power Source

Section 6—Operation of Generator with Manual Transfer Switch

TRANSFER TO GENERATOR POWER SOURCE WHEN UTILITY POWER FAILS

1.Move generator to within approximately 10 feet of the power inlet box. Connect ground strap to the generator’s grounding lug and to the grounding rod.

2.Open the door of the Manual Transfer Switch. Slide the mechanical interlock connecting the 60 Amp and 50 Amp circuit breakers at the top of the panel to turn “Off” the “Utility” circuit breaker. Both circuits will be in the “Off” position.

3.Flip the “Standby” circuit breaker handle to the “On” position. Close the door of the Manual Transfer Switch.

4.Open the power inlet box. Insert and lock the 50 Amp

female receptacle into the male receptacle in the external connection box. Insert the 50 Amp plug into the

50 Amp NEMA 14-50 receptacle located on the underside of the generator’s control panel. A retaining clip is supplied on the control panel. Secure the retaining clip over the end of the plug. The retaining clip ensures that the plug remains in place during generator operation.

5.Before starting the generator, verify the 50 Amp circuit breaker on the generator’s control panel is in the “Off” or “Open” position.

6.Start the generator and allow it to warm up for a couple of minutes. Switch the 50 Amp circuit breaker on the generator control panel to the “ON” or “Closed” position.

7.The generator is now supplying power to the load center circuits in the manual transfer switch.

TRANSFER BACK TO UTILITY POWER SOURCE

When utility power has been restored, you will want to transfer back to that power source and shut down the generator. This can be accomplished as follows:

1.Switch the 50 Amp circuit breaker on the generator control panel to the “OFF” or “Open” position.

2.Release the retainer clip from the NEMA 14-50 plug and remove the plug from the outlet on the generator. Twist and remove the 50 Amp female receptacle from the power inlet box. Close and lock the box. Coil the power cord and place it with the generator.

3.After the generator has run for a couple minutes to cool down, turn off the generator.

4.Open the door of the Manual Transfer Switch and slide the mechanical interlock to turn “OFF” the “STANDBY” circuit breaker. Both circuit breakers will be in the “OFF” position.

5.Flip the “UTILITY” circuit breaker handle to the “ON” position. Close the door of the Manual Transfer Switch.

6.The Utility is now supplying power.

7.Disconnect the ground strap from the grounding rod and the generator’s grounding lug. Retain the ground strap with the generator. Return the generator to its storage location.

Choose a lamp or light fixture located in a frequently occupied area of the building as a signal light to tell you when utility power has been restored. This light should be on a utility powered circuit only, so it operates independent of the generator.

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