Powerware 9335 User Manual download pdf (Page 61)

Powerware 9335 (80 kVA and120 kVA) Installation and Operation 8-1

164201396 REV. A 071103

8.1 Operation

The following procedures provide instruction for operating the UPS system. Refer to

Chapters 6 and 7 of this manual for a description of the UPS controls and monitor panel

functions.

NOTE:

Before starting the UPS, ensure all installation tasks are complete and

authorized service personnel have performed a preliminary startup. The

preliminary startup verifies all electrical interconnections to ensure the

installation was successful and the UPS operates properly.

8.2 Start-Up Procedure for the UPS

To start the UPS system for normal operation, perform the following procedure:

1. Ensure the UPS switches and external customer circuit breakers are set as follows:

UPS Utility Supply Breaker (customer supplied) “O” (OPEN)

UPS Bypass Input Breaker (dual source, customer supplied) “O” (OPEN)

UPS Battery Cabinet Breaker (customer supplied) “O” (OPEN)

UPS Maintenance Bypass Switch (IA1) “O” (OFF)

UPS Parallel Isolator Switch (IA2) “O” (OFF)

Verify Position of DIP Switches SW 2

–

9 are as in Fig. 6-1. As shown

2. Close the UPS utility supply breaker. (Screen event “MAIN RECTIFIER FAULT”

appears)

3. If system is dual source, close the UPS Bypass input circuit breaker

4. Observe LED Line 1 indicator turns green and battery indicator LED flashes green.

(Screen event “LOAD OFF SUPPLY FAILURE” appears)

5. Press both ON/OFF pushbuttons on the control panel simultaneously to turn on the

UPS. “LOAD NOT PROTECTED” will appear on the LCD screen and LED indicators

will display as follows:

UPS O

eratin

Instructions

CAUTION:

All the operations in this section must be performed by authorized service

technicians or by qualified internal personnel.

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Powerware 9335 User Manual Page 61