3-- 2
Powerware 9315 (500 kVA--750 kVA) T1 and T3 Installation Addendum
164201244--001 REV. A 011500
9. Disconnect blower connectors B1P1 through B4P1 and move wiring harness
to left side of cabinet.
10. Remove five front screws securing blower assem bly B1---B4 to cabinet base
( s e e f i gu r e 3 --- 4 ) .
11. Loosen three screws securing the back of blower assembly B1---B4 to cabinet
b a s e ( s e e f i g u r e 3 --- 4 ) .
WARNING:
Blower assembly B1--B4 are heavy and may require two persons to remove.
12. Slide blower assembly forward to disengage screws and remove assembly
( s e e f i gu r e 3 --- 4 ) .
13. Remove Input Filter A2 panel from cabinet as follows (see figure 3---5):
a. Disconnect wires from K6 terminals 2T1, 4T2 and 6T3.
b. Disconnect connector A2P1 from A2J1.
c. Loosen three bottom screws on Input Filter A2 panel.
d. Remove three top screws from Input Filter A2 panel and remove panel.
14. Remove four screws from lower deadfront panel and remove panel.
15. Remove CPT4 panel from cabinet as follows (see figure 3---5):
a. Disconnect connector P4 from J4.
b. Loosen three bottom screws on CPT4 panel.
c. Remove three top screws from CPT4 panel and remove panel.
3.1.2 Disconnecting T 3 Power Wiring
To disconnect T3 power wiring, perform the following procedure:
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.
1. Disconnect all output wires from transformer terminal lugs X1, X2, and X3.
Reinstall hardware to terminal lugs and secure (see figure 3---6).
2. Disconnect all output wires from transformer terminal lugs Y1, Y2, and Y3.
Reinstall hardware to terminal lugs and secure.
3. Disconnect all input wires from transformer terminal lugs H1, H2, and H3.
Reinstall hardware to terminal lugs and secure. Do not disconnect or remove
jumper wires.
4. Disconnect and remove two jumper wires between terminal lugs Y01 and Y02,
and Y02 and Y03.
5. Disconnect transformer ground wire from cabinet base (see figure 3---6).
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