Eaton Powerware 9155 - Page 36

UPS-MOUNTED BYPASS SWITCH INSTALLATION
EATON Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev F www.powerware.com
30
NOTE Input neutral must be wired for proper operation. Failure to connect an input neutral will void the
warranty. However, when wired with the optional isolation transformer, input neutral is supplied by the
isolation transformer.
Table 4. MBM/PDM Terminal Block (TB10) Wiring
Wire Function
Input Circuit
Breaker Rating
Minimum
Wire Size*
Tightening
Torque
Conduit Connection
(Entry Size)
Input
Ground 8AWG
p
L1
8kVA 60A 4AWG(21.2mm
2
)
G
(
2
)
120 lb in 2” access hole for
Neutral
10 kVA
1
2
k
V
A
80A
1
0
0
A
3AWG(26.7mm
2
)
2
A
W
G
(
3
3
6
m
m
2
)
1
2
0
l
b
i
n
(13.5 Nm)
2
a
c
c
e
s
s
h
o
l
e
f
o
r
1-1/2” conduit
L2
1
2
k
V
A
15 kVA
1
0
0
A
100A
2
A
W
G
(
3
3
.
6
m
m
2
)
2AWG(33.6mm
2
)
Output
L1 3AWG
p
Neutral 3AWG
120 lb in 2” access hole for
L2
3AWG
1
2
0
l
b
i
n
(13.5 Nm)
2
a
c
c
e
s
s
h
o
l
e
f
o
r
1-1/2” conduit
Ground
8AWG
*Useonly75°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.
8. Connect the factory-installed wiring from the maintenance bypass switch to the
UPS terminal block (see Figure 20).
Connect the maintenance bypass (red and black) wires to TB1-2 (the A/B
maintenance bypass auxiliary contacts) on the UPS terminal block.
12 345678 9
A/B Maintenance
Bypass Auxiliary
Contacts
TB1
Input
Output
2A 8A
Figure 20. Wiring from Maintenance Bypass Switch to UPS