UPS Operating Instructions
9.1Operation
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.
9.2Starting 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
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.
Powerware 9330 (10 | |
164201300 REV. G 061502 |
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