OPX300K2 2/18
9
Operation – Generator Set
STARTING
Before
starting generator, check the following:
1. Make sure that the wiring is correct.
2. Be sure that nothing is blocking the air inlet/ outlet.
3. Make sure that the inside of the generator is clean.
4. Be sure the main line circuit breaker is switched
OFF.
After
checking each of the above, start the generator in the
following procedure:
1. Start engine in accordance with instructions in the
Operator’s Manual. Be sure there is no abnormal
sound or vibration.
2. The voltage will rise due to the increase in generator
speed. After making sure that each interphase voltage
is balanced, set the voltage and frequency to the rated
level. Be sure the CPR switch is “ON”. The voltage
will not rise with CPR “OFF”.
3. After running the generator without load, switch the
circuit breaker ON to start the load operation.
VOLTAGE ADJUSTMENT
The generator has been adjusted to obtain optimum
voltage at the factory. If the voltage is different, adjust
the voltage with the Voltage Adjust provided on the
AVR.
CAUTION: Excessive non-linear loads can
lead to regulator and/or generator end failures
and should be no greater than 20% of overall
load. Failures caused by excessive non-linear
loads are not warrantable.
RUNNING
Check the following while operating the generator:
1. Abnormal vibration and/or sound
2. Load
3. Environment:
Keep the air inlet/outlet clean and clear for optimum
cooling. Insufficient cooling causes over heating of the
generator.
Note:
When a 3-phase generator is used at single phase
load, each phase current should be balanced and should
not exceed 50% of the rated current. In addition,
allowable unbalanced load is listed on the Data Sheet.
STOPPING
After putting the running generator in a no-load condition
by removing the generator load, stop the engine in
accordance with the Engine Manual.
Updated -5-7-21
