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Powerware 9315 (500 kVA--750 kVA) T1 and T3 Installation Addendum
164201244--001 REV. A 011500
4.2.3 Reconnecting T1 Power Wiring
To reconnect T1 power wiring, perform the following procedure:
1. Connect tr ansformer ground wire from transformer to cabinet base (see figure
4 --- 3 ) .
CAUTION:
In the following steps, ensure that no hardware falls into the
transformer. As a precaution, cover the top of the transformer
windings with a cloth or cardboard. Any hardware fa lling into the
transformer must be removed.
2. Connect jumper wires to transformer lugs using the information contained in
table 4---1. Mount one wire to front of lug and one to back of lug, using two flat
washers (one on back and one on front of bolt), one belleville washer, and one
nut. Tighten to the specified torque. See figure 4---6 for terminal lug locations
and Drawing 164201244---001---1 for wiring diagram.
Ta b l e 4 --- 1 . T 1 J u m p e r W i r e I n s t a l l a t i o n
Wire
Number
Number of
Wires
From To
Tightening
Torque
N-M (lb-ft)
154 2 T1-H3 T1-H11 23(18.4)
155 2 T1-H1 T1-H21 23(18.4)
156 2 T1-H2 T1-H31 23(18.4)
3. Connect input and output wires to transformer lugs using the information
contained in table 4---2. If multiple wires are connected, mount one wire to
front of lug and one to back of lug. Use two flat washers (one on back and
one on front of bolt), one belleville washer, and one nut. Tighten to the
specified torque. See figure 4---6 for terminal lug locations and Drawing
164201244---001---1 for wiring diagram.
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