Installing Input and Output Transformers
5−4
EATON
Powerware
®
9315 UPS (200–300 kVA) Installation Manual
S
164201037 Rev G
www.powerware.com
To prepare the input and output transformer cabinets for wiring to the UPS:
1.
Install the UPS into final operating position.
2.
Install the cabinets into final operating position and secure.
3.
Attach a ground conductor from the cabinets to the closest ground bus.
To wire the input transformer cabinet (single−feed):
NOTE
For wiring information, see drawing 164201037−1, Table A through Table E, in
Appendix A.
1.
Install wiring from utility to the input transformer cabinet using conduit through
the cable entry panel in the top of the cabinet.
2.
Install the wiring from input transformer cabinet to the UPS cabinet using conduit
through the cable entry panels in the top or bottom of the UPS.
3.
Connect the cables as shown in Table 5-1. See Figure 5-4 through Figure 5-5 for
the location of connection points within the cabinets.
Table 5-1. Input Transformer Connection Points (Single Feed)
Connection Point in Transformer Cabinet
Connection point
in UPS
Phase
Input
Output
∅
A
E23
E26
E1
∅
B
E24
E27
E2
∅
C
E25
E28
E3
Neutral
E22
E29
E12
4.
Close the UPS cabinet and the input transformer cabinet doors.
To wire the input transformer cabinets (dual−feed):
NOTE
For wiring information, see drawing 164201037−1, Table A through Table E, in
Appendix A.
1.
Install wiring from utility to the input transformer cabinets using conduit through
the cable entry panel in the top of cabinets.
2.
Install wiring from the input transformer cabinets to the UPS cabinet using conduit
through the cable entry panels in the top of the UPS.
3.
Connect the cables as shown in Table 5-2 and Table 5-3. See Figure 5-4 through
Figure 5-5 for the location of connection points within the cabinets.
4.
Close the rectifier input transformer cabinet doors and the bypass input
transformer cabinet doors.
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