Liebert Series 600T manual Module Shutdown Procedures Screen

Models: Series 600T

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Go to the module Master Menu and move the cursor to SHUTDOWN PROCEDURES. Press the Select pad and the module Shutdown Procedures screen is displayed.

This two-page screen contains the steps you must follow to perform a controlled shutdown of each UPS module. The instructions are listed so you can review them before performing the controlled shutdown.

Figure 40 Module Shutdown Procedures Screen

DOWN : NEXT PAGE

SELECT : MASTER MENU

SHUTDOWN PROCEDURES

1.If load can not be supported by the remaining modules when this module is taken off line, go to the system control cabinet and select the "LOAD TRANSFER PROCEDURES" screen. Follow the instructions to transfer to bypass.

2.Open the module output breaker by simultaneously pressing the OUTPUT TRIP and CONTROL ENABLE pushbuttons.

3.Open the module battery breaker by simultaneously pressing the BATTERY TRIP and CONTROL ENABLE pushbuttons.

4.Manually open the input breaker by moving the handle to the OFF position.

UP : FIRST PAGE

SELECT : MASTER MENU

SHUTDOWN PROCEDURES (Cont'd)

5.Verify breaker status on the "MONITOR / MIMIC" screen.

6.If necessary for maintenance purposes, turn the control power switch (fuse disconnect on some models) to the OFF position.

7.Wait a minimum of two (2) minutes before attempting any other action.

To perform the shutdown procedure, transfer the critical load from the UPS system to the bypass line (at the SCC). Then trip open the UPS module output and battery circuit breaker (MBD), and manually open the UPS module input circuit breaker. The Control Power switch may be turned Off if required for maintenance proce- dures.

Refer to 3.3.3 - Shutdown Procedures for more details, including module shutdowns for service and emergency shutdowns.

Operation 61

DISCONTINUED

PRODUCT

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Liebert Series 600T manual Module Shutdown Procedures Screen