Liebert 1000kVA manual Start-Up Procedures Screen

Operation

3.2.9Start-Up Procedures Screen

From the SCC Master Menu, move the highlighted cursor to START-UP PROCEDURES. Press the Select pad and the SCC Start-Up Procedures screen is displayed (Figure 42).

This screen contains the steps you must follow to start-up the UPS system. The instructions are listed so you can review them prior to performing the start-up.

Figure 42 SCC start- up procedures screen

SELECT : MASTER MENU

© 1989-2003

START-UP PROCEDURES

1.Wait approximately two (2) minutes before attempting any other action .

2.Select "SYSTEM CONFIGURATION" screen to verify that the correct model number is displayed.

3.Go to the modules(s) and follow the module "STARTUP PROCEDURES".

4.Select "MONITOR/MIMIC" screen, verify that the output voltages are at the proper nominal level and correct number of modules online is displayed.

5.If the bypass or static switch breakers are open, refer to Start-up Procedures in the UPS manual for instructions on closing these breakers.

6.System is now ready to assume load. Select "LOAD TRANSFER PROCEDURES" screen for this procedure.

Prior to this procedure, supply power to the critical load through the bypass line. Start-up each UPS module according to the module start-up procedures. You can then transfer the load from bypass to the UPS system per instructions on the SCC Load Transfer Procedures Screen.

Refer to 3.4.1 - SCC Start-Up Procedure for more details.

NOTE

If the system was shut down in response to an “Emergency Off” signal (typically because of a load fault), there may be alarm messages on the LCD screen that describe system conditions before (or at the time of) the shutdown. Some or all of the alarm conditions may have already been resolved. To clear these alarm messages, make sure the critical load is on bypass power and turn off the control power (see Figure 8 and Figure 9). Wait at least ten minutes for the control power circuitry to completely de-energize. After ten minutes, turn control power back on and follow the start-up procedures on the UPS and SCC screens.

From the module Master Menu, move the highlighted cursor to START-UP PROCEDURES. Press the Select pad and the module Start-Up Procedures screen is displayed (Figure 43).

This two-page screen contains the steps you must follow to start-up each UPS system. The instruc- tions are listed so you can review them prior to performing the start-up.

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