TP-6376 3/08 35Section 3 Electrical Connections and Requirements
7. Place the main circuit breaker(s) in the OPEN
position.
60--200KRP. When low wye or single-phase
voltage is selected, the 480-volt circuit breaker
electrically disconnects. When high wye voltage is
selected, the 208-volt to 240-volt circuit breaker
electrically disconnects.
400KRP. The single circuit breaker requires
adjustment based on the voltage selection; see
Figure 3-7. Adjust the long-time current setting
only; see Figure 3-8.
400KRP
208 V 0.40
480 V 0.88
Figure 3-7 Circuit Breaker Trip Adjustment
1
1. Long-time current setting
5.0ARF
Figure 3-8 Electronic Trip Circuit Breaker
8. Replace all electrical guards, barriers, covers, and
other protective devices on all electrical wiring and
connections.
9. Reconnect the battery, negative (--) lead last.
10. Place the engine idle switch in the RUN position.
SeeFigure3-9.
11. With the main circuit breaker(s) in the OPEN
position, start the generator set using the generator
set operation manual procedure. Verify that the
generator set output voltage and frequency match
the load requirements using the controller
meters/display. Do not move the voltage selector
switch while the generator set is running.
If the voltage is incorrect, adjust the voltage using
the voltage adjustment control on the generator set
controller. See Figure 3-9 and the voltage
adjustment procedure in the generator set
controller operation manual, as needed.
Note: Place the generator set master switch in the
OFF position to stop the generator set after
the voltage and frequency verification
procedure is complete.
1
1. Engine idle switch
2. Output voltage adjust control
2
GM46001-
Figure 3-9 Voltage Adjust Control
12. 60--200KRP. Place the engine idle switch in the
RUN position, if needed. Close the 208- to 240-volt
or 480-volt main circuit breaker that corresponds to
the generator set voltage selector switch position.
400KRP. Close the main circuit breaker.
13. Place any downstream circuit breakers in the ON
position, as needed.
3.3 Frequency Conversion
These units are offered as 60 Hz models only.
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