Transfer To Generator Power Source; Transfer Back To Utility Power Source - Honeywell 8 kW Owner's Manual

Prior to automatic operation, manually exercise the
transfer switch to verify that there is no interference with
proper operation of the mechanism. Manual operation of
the transfer switch is required if electronic operation
should fail.

Transfer to Generator Power Source

Verify generator is in the OFF mode.
1.
Set the main
2.
Disconnect) to OFF or OPEN.
Turn off the utility power supply to the transfer
3.
switch using the means provided (such as a utility
main line circuit breaker).
Use the manual transfer handle (A in
4.
inside the transfer switch to move the main
contacts to the
connected to the standby power source).
To crank and start the engine, press the control
5.
panel MANUAL button.
Allow the engine to stabilize and warm up for a few
6.
minutes.
•
•
MANUAL
•
•
•
AUTO
•
•
•
•
EXERCISE
•

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:
Set the Main
1.
Disconnect) to OFF or OPEN.
Allow the engine to run for 2 minutes at no-load to
2.
stabilize the internal temperatures.
Press the control panel OFF button. The engine
3.
should shut down.
Owner's Manual for 60 Hz Air-cooled Generators
circuit breaker (Generator
Figure
STANDBY position
Will not transfer to generator if utility is present.
Will transfer to generator if utility fails (below 65% of nominal for 5 consecutive seconds).
Will transfer back when utility returns for 15 consecutive seconds. The engine will continue to
run until removed from the MANUAL mode.
Will start and run if utility fails for 5 consecutive seconds. (factory default)
Will start a 5 second engine warm-up timer.
–
Will not transfer if utility subsequently returns.
–
Will transfer to generator if utility is not present.
Will transfer back to utility once utility returns (above 80% of nominal) for 15 seconds.
Will not transfer back to utility unless utility returns. The generator will shut down if the OFF
button is pressed or a shutdown alarm is present.
Once utility power is returned, the generator will shut down after 1 minute cool-down time.
Will not exercise if generator is already running in either AUTO or MANUAL mode.
During exercise, the controller will only transfer if utility fails during exercise for 10 seconds,
and will switch to AUTO.
Circuit Breaker (Generator
Set the main circuit breaker (Generator Disconnect)
7.
to ON or CLOSED. The standby power source now
powers the loads.
A
3-9)
(loads
Figure 3-9. Manual Transfer Switch Operation
Verify that utility power supply to the transfer switch
4.
is turned OFF.
Use the manual transfer handle (A in
5.
inside the transfer switch to move the main
contacts back to the UTILITY position (loads
connected to the utility power source).
Turn on the utility power supply to the transfer
6.
switch using the means provided.
Press the control panel AUTO button.
7.
Section 3: Operation
B
000228
Figure 3-9)
15