Installation and user manual, External bypass 4 5 – MGE UPS Systems GALAXY PW 225KVA User Manual
Page 75
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Installation and User Manual
Start-up
Following servicing, proceed in the following order: (see Figure 5-5)
1.
Close switches Q5N on the UPS units.
2.
Close switch Q5N in the external bypass unit.
3.
Open switch Q3BP in the parallel-connection unit.
4.
Close switches Q1 and QF1 on the UPS units.
5.
Start the inverters (press the "inverter ON" buttons 7 ).
Figure 5-5: Start-up Procedure After Isolation Diagram.
Figure 5-6: Redundancy for Increased Output Diagram.
2
1
Q3BP
Galaxy 1
Galaxy 2
2
1
Galaxy 3
2
1
Galaxy 4
2
Q5N
1
2
Q1
QF1
Q5N
Q4S
2
3
4
1
0
1
0
Q3BP
Q5N
Q1
Q4S
QF1
0 1
Q5N
Q5N
Q1
Q4S
external bypass
4
5
1
0
1
0
1
0
1
0
1
0
1
6
1
0
7
8
1
0
1
0
1
0
Maintenance
5 — 5
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