Eaton 93PM-50-1 - Battery Mode Operation

50 Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03
Table 13. Thermal Sensor Connections and Wire Terminations
Terminal Name
Description
Recommended
Wire Size
Size of
Pressure
Termination
Tightening
Torque
1
Jumper
Used to select battery
configuration
Twisted Pair Wires
#18 AWG Use wire
rated for 600V and
Class 1 wiring
methods.
#12-#22 AWG
5–7 lb in
(0.56–
0.79 Nm)
2
Jumper
3
Thermal Sensor Input: Used to signal a
battery temperature out of
specification and to turn off
the battery charger to
prevent thermal runaway.
4
Thermal Sensor
Return
Figure 31. Thermal Sensor Jumper Assignments
1
2
3
4
UPS
Thermal
Sensor
TB11
External
Batteries
Jumper Jumper
UPS System Installation