Powerware 9155 User Manual page 31

Table 4. Input Isolation Transformer Terminal Block Wiring
Wire Function
Input p L1
L2 (208V)
L2 (240V)
Output p L1
L2
Neutral
Ground Output
Ground
Input
*Use only 90°C-rated copper wire. Minimum wire size is based on 120/208 full load ratings applied to NEC
Code Table 310-16. Code may require a larger AWG size than shown in this table because of temperature,
number of conductors in the conduit, or long service runs. Follow local requirements.
Table 5. UPS Terminal Block Wiring
Wire Function
Input p
Ground
L1
Neutral
L2
Output p L1
Neutral
L2
Ground
*Use only 90°C-rated copper wire. Minimum wire size is based on 120/208 full load ratings applied to NEC
Code Table 310-16.
Powerware 9155 UPS (8–15 kVA) User's Guide
®
NOTE
Input neutral is supplied by the input isolation transformer.
Terminal Position
TB1-1
TB1-2
TB1-3
TB1-4
TB1-5
TB1-6
TB1-7
TB1-8
12. Wire the output of the input isolation transformer terminal
block to the UPS input terminal block (see Table 5 and
Figure 10).
Terminal
Position
TB1-1
TB1-3
TB1-4
TB1-5
TB1-6
TB1-7
TB1-8
TB1-9
164201553 Rev D www.powerware.com
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Input Isolation Transformer Installation
Minimum Wire Size*
2 AWG
2 AWG
2 AWG
3 AWG
3 AWG
3 AWG
8 AWG
8 AWG
Minimum Tightening
Wire Size* Torque
8 AWG
3 AWG
25 lb in 25 lb in
(2.83 Nm)
3 AWG
3 AWG
3 AWG
3 AWG
25 lb in 25 lb in
(2.83 Nm)
3 AWG
8 AWG
Tightening Torque
25 lb in
(2.83 Nm) (2 83 Nm)
25 lb in
(2.83 Nm) (2 83 Nm)
25 lb in 25 lb in
(2.83 Nm)
Conduit Connection
(Entry Size)
2" access hole for 2 access hole for
1-1/2" conduit
2" access hole for 2 access hole for
1-1/2" conduit
25