PARALLEL INSTALLATION

NOTE Input neutral must be wired for proper operation. Failure to connect an input neutral will void the warranty.

Table 2. UPS Terminal Block Wiring

Wire Function

Terminal

Upstream

Minimum

Tightening

Conduit Connection

 

Position

Circuit Breaker

Wire Size*

Torque

(Entry Size)

 

 

 

 

Input

Ground

TB1-1

 

8 AWG

 

 

 

 

 

 

 

 

 

 

 

 

L1

TB1-3

100A

3 AWG

25 lb in

2” access hole for

 

 

 

 

 

 

 

 

 

 

 

Neutral

TB1-4

 

3 AWG

(2.83 Nm)

1-1/2” conduit

 

 

 

 

 

 

 

 

 

L2

TB1-5

100A

3 AWG

 

 

 

 

 

 

 

 

 

 

 

Output

L1

TB1-6

 

3 AWG

 

 

 

 

 

 

 

 

 

 

 

 

Neutral

TB1-7

 

3 AWG

25 lb in

2” access hole for

 

 

 

 

 

 

 

 

 

 

 

L2

TB1-8

 

3 AWG

(2.83 Nm)

1-1/2” conduit

 

 

 

 

 

 

 

 

 

Ground

TB1-9

 

8 AWG

 

 

 

 

 

 

 

 

 

 

 

*Use only 75°C-rated copper wire. Minimum wire size is based on 120/208 full load ratings applied to NEC Code Table 310-16.

TB1

1

3

4

5

6

7

8

9

 

 

2

 

 

 

 

 

 

InputOutput

Figure 10. UPS Terminal Block

18

EATON Powerware® 9155 Parallel UPS (8–15 kVA) User’s Guide S 164201592 Rev C www.powerware.com