The system will now begin operating in automatic mode.
The main utility disconnect can be turned ON (or
CLOSED). To shut the unit off, this complete process
must be repeated.
3.6 — Manual Transfer Operation
DANGER
Electrocution. Do not manually transfer under load.
Disconnect transfer switch from all power sources
prior to manual transfer. Failure to do so will result
in death or serious injury, and equipment damage.
Prior to automatic operation, manually exercise the trans-
fer 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.
A
Figure 3-4. Manual Transfer Switch
Operation
3.6.1— Transfer to Generator Power Source
Ensure the generator is in the OFF mode.
1.
Set the main circuit breaker (Generator Discon-
2.
nect) 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 Figure 3-4.)
4.
inside the transfer switch to move the main con-
tacts to the STANDBY position (loads connected to
the standby power source).
To crank and start the engine, press the control
5.
panel MANUAL button.
Owner's Manual for 50 Hz Air-cooled Generators
Allow the engine to stabilize and warm up for a few
6.
minutes.
Set the main circuit breaker (Generator Discon-
7.
nect) to ON or CLOSED. The standby power
source now powers the loads.
3.6.2— Transfer Back to Utility Power
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 genera-
(000132)
tor:
Set the Main Circuit Breaker (Generator Discon-
1.
nect) 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.
Ensure that utility power supply to the transfer
4.
switch is turned off.
Use the manual transfer handle (A in Figure 3-4.)
5.
inside the transfer switch to move the main con-
tacts back to the UTILITY position (loads con-
nected 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.
3.7 — Side Compartment
Local codes may require this compartment to be locked.
B
A hasp is provided so the owner/operator can secure the
compartment with his or her own padlock. Check local
codes for side compartment locking requirements.
000228
B
Figure 3-5. Open Side Compartment
3.7.1— Main Circuit Breaker (Generator
This is a 2-pole breaker rated according to relevant spec-
ifications. See "A" in Figure 3-5.
Source
Disconnect)
Operation
000598
A
13