Powerware 9330 operation manual Installing UPS External Power Wiring

2.2.5Installing UPS External Power Wiring

1.Remove left front solid panel and right front vented panel from the Powerware 9330 (10 kVA---20 kVA) UPS cabinet or left front solid panel and front vented panels from the Powerware 9330 (25 kVA---40 kVA) UPS cabinet. Front panels are secured with magnetic latches and are removed by pulling panels straight forward to disengage magnetic latches (see Figure 2---1 or 2---3).

2.Remove screws securing internal safety shield panels and remove panels to gain access to input and output terminals.

NOTE: Remove UPS cabinet input and output conduit landing plate to punch conduit holes.

3.Route input and output cables through wireway to UPS terminal blocks. Refer to Appendix A of this manual for wiring access information.

4.If wiring a single feed system, proceed to step 5; if wiring a dual feed system, proceed to step 7.

5.Connect phase A, B, C, and Neutral rectifier and bypass input power wiring from source to the bypass input terminals in the UPS cabinet. Refer to Appendix A of this manual for wiring and termination requirements and wiring access information. Note wiring connections for single feed systems.

6.Proceed to step 10.

7.Disconnect single feed jumpers from phase A, B, and C terminals on Input Breaker CB1 and Input Terminal strip TB2. Remove jumpers from cabinet.

8.Connect phase A, B, and C rectifier input power wiring from source to the rectifier input terminals on Input Breaker CB1 in the UPS cabinet. Refer to Appendix A of this manual for wiring and termination requirements and wiring access information. Note wiring connections for dual feed systems.

9.Connect phase A, B, C, and Neutral bypass input power wiring from source to the bypass input terminals on Input Terminal strip TB2 in the UPS cabinet. Refer to Appendix A of this manual for wiring and termination requirements and wiring access information. Note wiring connections for dual feed systems.

NOTE: If connecting the UPS to a Parallel Cabinet, refer to Powerware 9330 Parallel Cabinet Installation and Operation manual referenced in the Introduction to this manual.

10.Connect phase A, B, and C, and Neutral power wiring from output terminals to the critical load. Refer to Appendix A of this manual for wiring and termination requirements and wiring access information.

11.After wiring the UPS system to the facility power and critical load, be sure to ground the system according to local and/or national electrical wiring codes.

12.When all wiring is complete, connect battery strings in accordance with instructions contained in paragraph 3.4.1 of Chapter 3.

13.Secure the UPS by reinstalling safety shield panels, front vented panels, and left front solid panel.

Powerware 9330 (10 kVA--40 kVA) Installation and Operation	2--11
164201300 REV. G 061502