Doosan G10WMI-2D-T2, Installation, Operation & Maintenance Manual

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Operating Instructions Operation & Maintenance Manual
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SWITCH POSITION - 120/208V 3 Phase
1. Turn Voltage Output Monitor to L
1
-L
2
position.
2. Turn Voltage Adjust Rheostat (VAR) Shaft to read 208V on AC Voltmeter.
3. Turn Voltage Output Monitor to L
2
-L
3
position and verify 208V ± 5%.
4. Turn Voltage Output Monitor to L
3
-L
1
position and verify 208V ± 5%.
5. Power is available on all panel receptacles.
6. Turn Voltage Output Monitor to L
1
-L
0
position and verify 120V ± 5%.
7. Shutdown unit.
8. Make 120/208V connections at the direct hook-up terminal blocks.
9. At start-up, 120/208V will be present.
SWITCH POSITION - 277/480V 3 Phase
1. Turn Voltage Output Monitor to L
1
-L
0
position.
2. Turn Voltage Adjust Rheostat (VAR) Shaft to read 277V on AC Voltmeter.
3. Turn Voltage Output Monitor to L
2
-L
0
position and verify 277V ± 5%.
4. Turn Voltage Output Monitor to L
3
-L
0
position and verify 277V ± 5%.
5. One of the 120V 15A or 20A panel receptacles now has power. The right
duplex receptacle is “not active in 480V mode.”
6. Turn Voltage Output Monitor to L
1
-L
2
position and verify 480V ± 5%.
7. Shutdown unit.
8. Make 277/480V connections at the direct hook-up terminal blocks.
9. At start-up, 277/480V will be available at the direct hook-up terminal blocks.
NOTICE
Applying single-phase loads or receptacle loads when in 3-phase switch
positions can cause unbalanced loading of windings in excess of the
maximum recommended, which may shorten alternator life.