44 Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03
Figure 24. Building Alarm Terminal Block Connector Assignments
UPSBuildingAlarms
1234
56
78910
BuildingAlarm 5
BuildingAlarm 5Return
BuildingAlarm 4
BuildingAlarm 4Return
BuildingAlarm 1Return
BuildingAlarm 1
BuildingAlarm 2Return
BuildingAlarm 2
BuildingAlarm 3Return
BuildingAlarm 3
Table 11. Relay Contact Connections and Wire Terminations
Terminal Name
Description
Recommended
Wire Size
Size of
Pressure
Termination
Tightening
Torque
1
Relay Contact NC
Output: General purpose
normally-closed (NC) relay
contact.
Twisted Pair
Wires #18 AWG
#14-#30 AWG
2 lb in
(0.22-0.25 Nm)
3
Relay Contact
Common
2
Relay Contact NO
Output: General purpose
normally-closed (NO) relay
contact.
Twisted Pair
Wires #18 AWG
#14-#30 AWG
2 lb in
(0.22-0.25 Nm)
3
Relay Contact
Common
Figure 25. Relay Contact Terminal Block Connector Assignments
UPSRelay Output
123
NO_Out
NC_Out
Com
44..77..22 IInnssttaalllliinngg BBaatttteerryy DDeetteecctt aanndd SShhuunntt TTrriipp IInntteerrffaaccee CCoonnnneeccttiioonnss
NOTE 1 If installing interface wiring connections between standalone cabinets, conduit must be
installed between cabinets.
NOTE 2 Disconnect terminal block plugs from terminal blocks to wire plugs.
NOTE 3 Use wire rated for 600V and Class 1 wiring methods.
1. Verify the UPS system is turned off and all power sources are removed. See
Chapter 7 UPS Operating Instructions for shutdown instructions.
2. If not already opened, open the front door by lifting the latch from the bottom and turning to the right
(counterclockwise) and swing the door open.
UPS System Installation
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