Powerware 650825 kVA operation manual For terminal, Assignments

UPS SYSTEM INSTALLATION

X−Slot Communication Bays

TB1

See Figure 4-30

for terminal

assignments.

TB2

Figure 4-28. Interface Terminal Detail

TB2

3

4

Alarm Relay

5

Alarm Relay NC

Alarm Relay Common

Alarm Relay NO

6

Alarm Relay Common

NOTE Alarm relay contacts have a maximum current rating of 5A and a switched voltage rating of 30 Vac and 28 Vdc.

NOTE Alarm relay normally−open and normally−closed return terminals are separated on the terminal board but are electrically in common. NOTE Do not directly connect relay contacts to the mains related circuits. Reinforced insulation to the mains is required.

NOTE Alarm relay wiring should be a minimum of 22 AWG.

Figure 4-29. Typical Alarm Relay Connection

4−34 EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com