UPS-Mounted Bypass Switch Installation

Output

Input

8

7

6

5

4

3

2

1

TB10

Figure 18. MBM/PDM Hardwiring (PDM Shown)

NOTE Input neutral must be wired for proper operation. However, when wired with the optional isolation transformer, input neutral is supplied by the isolation transformer.

Table 7. MBM/PDM Terminal Block Wiring

Wire Function

Terminal

Minimum

Tightening

Conduit Connection

 

Position

Wire Size*

Torque

(Entry Size)

 

 

 

 

Input

Ground

TB10-1

8 AWG

 

 

 

 

 

 

 

 

 

 

 

L1

TB10-2

3 AWG

25 lb in

2” access hole for

 

 

 

 

 

Neutral

TB10-3

3 AWG

(2.83 Nm)

1-1/2” conduit

 

 

 

 

 

 

 

 

L2

TB10-4

3 AWG

 

 

 

 

 

 

 

 

 

 

Output

L1

TB10-5

3 AWG

 

 

 

 

 

 

 

 

 

 

 

Neutral

TB10-6

3 AWG

25 lb in

2” access hole for

 

 

 

 

 

L2

TB10-7

3 AWG

(2.83 Nm)

1-1/2” conduit

 

 

 

 

 

 

 

 

Ground

TB10-8

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.

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

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