Powerware 9330 - Manual (Page 115)

9--1 Powerware 9330 (10 kVA--40 kVA) Installation and Operation
164201300 REV. G 061502
UPS Operating Instructions
9.1 Operation
The following procedures provide instructions for operating the UPS system. Refer
to Chapters 7 and 8 of this manual for a description of the UPS controls and
control panel functions.
NOTE: Before starting the UPS ensure all installation tasks are complete and a
preliminary startup has been performed by authorized service personnel.
The preliminary startup verifies all electrical interconnections to ensure the
installation was successful and the UPS operates properly.
9.2 Starting the UPS in Normal Mode
To start the UPS system, perform the following procedure:
1. Ensure the UPS circuit breakers and switches are set as follows:
UPS Input Breaker (CB1) OPEN
UPS Battery Breaker (CB2) OPEN
UPS Maintenance Bypass Switch UPS
Options Cabinet Maintenance Bypass Switch (if installed) UPS
2. Close the UPS input feeder circuit breaker.
3. If UPS is dual feed, close UPS Bypass input feeder circuit breaker.
4. If Options cabinet is installed, close Options cabinet Input, Bypass, and Output
circuit breakers.
5. Observe UPS monitor screen becoming active as an indication of logic power.
6. Press the System Control pushbutton. The System Control screen appears.
7. On the System Control screen, the PPU status should indicate SHUTDOWN,
after approximately 20 seconds
8. On the UPS, close Input breaker CB1.
9. On the UPS, close Battery breaker CB2.
10. If installed, close the Battery breakers on Battery cabinets.
11. Select NORMAL or HI-EFF from the System Control menu.
Normal Mode Requested appears on the screen.
The critical load is immediately supplied by the bypass source, in Bypass mode, until
the inverter turns on and the UPS transfers to Normal mode. The status indicator on
the UPS Control Panel indicates the UPS is in Bypass mode.
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