UPS Only Installation

NOTE Input neutral must be wired for proper operation.

Table 2. UPS Terminal Block Wiring

Wire Function

Terminal

Minimum

Tightening

Conduit Connection

 

Position

Wire Size*

Torque

(Entry Size)

 

 

 

 

Input

Ground

TB1-1

8 AWG

 

 

 

 

 

 

 

 

 

 

 

L1

TB1-3

3 AWG

25 lb in

2” access hole for

 

 

 

 

 

Neutral

TB1-4

3 AWG

(2.83 Nm)

1-1/2” conduit

 

 

 

 

 

 

 

 

L2

TB1-5

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 90°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 6. UPS Terminal Block

8.Replace the UPS wiring access cover.

9.Continue to “Stabilizing the Cabinet” on page 49 to complete the UPS installation.

18

Powerware® 9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com