Eaton 93PM Series - Page 67

Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07 55
Figure 26. 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 14. 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-open (NO) relay
contact
3
Relay Contact
Common
Figure 27. Relay Contact Terminal Block Connector Assignments
UPSRelay Ou tput
123
NO_Out
NC_Out
Com
44..1111..22 IInnssttaalllliinngg BBaatttteerryy DDeetteecctt IInntteerrffaaccee CCoonnnneeccttiioonnss
NOTE 1 The UPS battery detect signal uses a UPS building alarm input to indicate an open
battery breaker.
NOTE 2 Any pair of unused building alarm terminals may be used for the battery detect
connections.
NOTE 3 Program the battery detect building alarm to read battery open and for normally open
contacts.
NOTE 4 If installing interface wiring connections between standalone cabinets, conduit must be
installed between cabinets.
NOTE 5 Disconnect terminal block plugs from terminal blocks to wire plugs.
UPS System Installation