Eaton 93PM-L 20 – 60 kW (208V) UPS Installation and Operation Manual P-164000711—Rev 03
81
44..66..22
S
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NOTE 1
In a 2 Breaker Sidecar; only the Maintenance Bypass Breaker (MBP) is pre-wired for
monitoring.
NOTE 2
In a 3 or 4 Breaker Sidecar; both the Maintenance Bypass Breaker (MBP) and the
Bypass Input Breaker (BIB) are pre-wired for monitoring.
To install wiring:
1.
Verify the UPS system is turned off and all power sources are removed. See
Chapter 6
UPS Operating
Instructions
, for shutdown instructions.
2.
If not already removed, loosen the bottom screws and completely remove the top screws securing the
sidecar front panel. Lift the panel upwards and remove from the unit. Retain the hardware for later use.
3.
Route the wiring along the sidecar interface wiring channel to the sidecar terminals, TB1 and TB2.
4.
Secure the wiring to the wire tie anchors provided using Zip ties.
5.
If 2, 3 or 4 Breaker Sidecar and monitoring of the Maintenance Isolation Breaker (MIS) is required, connect
the building alarm interface wiring to TB1. See paragraph
UPS System Interface Wiring Preparation
and
for wiring and termination requirements, and
for terminal assignments.
6.
If 4 Breaker Sidecar and monitoring of the Rectifier Input Breaker (RIB) is required, connect the building
alarm interface wiring to TB2.
7.
If wiring additional interface or control wiring options, see
for next option to install; otherwise,
proceed to
Step 8
.
8.
If removed, reinstall all safety shield panels previously removed and secure with the retained hardware.
9.
Reinstall the sidecar front panel and secure with the retained hardware.
10. Close the UPS outside door and secure the latch.
Table 23. Sidecar MIS and RIB Breaker Monitoring Connection and Wire Terminations
Terminal Block
Terminal
Name
Recommended
Minimum
Wire Size
Size of Pressure
Termination
Tightening
Torque
TB1
9
MIS - Aux COM
Twisted Pair Wires
#18 AWG
#14 #30 AWG
2 lb in
(0.22-0.25 Nm)
10
MIS - Aux NC
TB2
9
RIB - Aux COM
10
RIB - Aux NC
Summary of Contents for 93PM-L Series
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