Powerware 9155 11.Replace the bypass switch front cover and the UPS wiring access cover

Wall-Mounted Bypass Switch Installation

10.Route the gray signal cable through the grommet on the left side of the bypass switch cabinet (see Figure 27). Connect the white and black pair of wires to TB1-2 (the A/B maintenance bypass auxiliary contacts) on the UPS terminal block.

Secure each connection, tightening the terminal screws to a maximum 3.5 in lb (0.4 Nm). Provide strain relief for cables by installing plastic cable ties.

NOTE DO NOT connect the red and black pair of wires in the gray signal cable.

Do Not Connect Red

and Black Wires

Signal Cable

To UPS Terminal Block

Figure 27. Signal Cable Installation

11.Replace the bypass switch front cover and the UPS wiring access cover.

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