Generac 6551 Portable Generator User Manual


 
16 Automatic Standby Generator Owner’s Manual
3.6.2— Transfer Back to Utility Power Source
When utility power has been restored, transfer back to utility source and shut down the generator. To manually transfer back to utility power and
shut down the generator:
1. Set the Main Circuit Breaker (Generator Disconnect) to its OFF (OPEN) position.
2. Allow the engine to run for 2 minutes at no-load to stabilize the internal temperatures.
3. Press the Control Panel OFF button. The engine should shut down.
4. Ensure that utility power supply to the transfer switch is turned off.
5. Use the manual transfer handle inside the transfer switch to move the main contacts back to their UTILITY posi-
tions (loads connected to the utility power source).
6. Turn on the utility power supply to the transfer switch using the means provided.
7. Press the Control Panel AUTO button.
3.6.3— Transfer to Generator Power Source - 50 Amp
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 (such as a utility
main line circuit breaker).
4. Use the manual transfer handle inside the transfer
switch to move the main contacts to their STANDBY
positions (loads connected to the standby power
source).
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. The
standby power source now powers the loads.
Figure 3-5: Manual Transfer Switch Operation
3.6.4— Transfer Back to Utility Power Source
When utility power has been restored, transfer back to utility source and shut down the generator. To manually transfer back to utility power and
shut down the generator:
1. Set the Main Circuit Breaker (Generator Disconnect) to its OFF (OPEN) position.
2. Allow the engine to run for 2 minutes at no-load to stabilize the internal temperatures.
3. Press the Control Panel OFF button. The engine should shut down.
4. Ensure that utility power supply to the transfer switch is turned off.
5. Use the manual transfer handle inside the transfer switch to move the main contacts back to their UTILITY posi-
tions (loads connected to the utility power source).
6. Turn on the utility power supply to the transfer switch using the means provided.
7. Press the Control Panel AUTO button.