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Terminal TB1
Name
1
Remote EPO NC
2
Remote EPO return
3
Remote EPO NO
4
Remote EPO return
5
Battery aux
6
Battery aux return
7
48 Vdc battery shunt trip +
8
48 Vdc battery shunt trip -
9
Not used
10
Not used
Terminal TB2
Name
1
Pull chain
2
Pull chain return
3
Alarm relay NC
4
Alarm relay return
5
Alarm relay NO
6
Alarm relay return
7
Not used
8
Not used
9
Not used
10
Not used
Terminal TB3
Name
1
Building alarm 1
2
Building alarm 1 return
3
Building alarm 2
4
Building alarm 2 return
5
Building alarm 3
6
Building alarm 3 return
7
Building alarm 4
8
Building alarm 4 return
9
Building alarm 5
10
Building alarm 5 return
Table 3-1. TB1, TB2, and TB3 interface connections
32
Descrition
Dry contact used to active remote EPO of UPS.
Descrition
Back control for parallel operation.
General purpose normally-open (NO) and normally-closed
(NC) relay contacts.
Descrition
Programmable UPS alarm. Activated by a remote dry contact
closure.
Programmable UPS alarm. Activated by a remote dry contact
closure.
Programmable UPS alarm. Activated by a remote dry contact
closure.
Programmable UPS alarm. Activated by a remote dry contact
closure.
Programmable UPS alarm. Activated by a remote dry contact
closure.
UPS 450 - 550 kVA (2x225 - 2x275 kVA)
User's and Installation Guide
1027574
Revision B
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