Operation
Figure 44 SCC shutdown procedures screen
© 1989-2003
SHUTDOWN PROCEDURES
1.If load is not already being supplied by the bypass line, select the
"LOAD TRANSFER PROCEDURE" screen and follow the instructions to transfer the load to bypass.
2.Go to the modules(s) and follow the module "SHUTDOWN PROCEDURES."
3.Press the ALARM RESET button to clear alarms which are no longer active.
4.If necessary for maintenance purposes, open the static switch disconnect circuit breakers.
5.Wait approximately 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. Shut down each UPS module according to the module Shutdown Procedures.
Refer to 3.4.5 - Shutdown Procedures for more details, including emergency shutdowns.
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
Figure 45 Module shutdown procedures screen
DOWN : NEXT PAGE
SELECT : MASTER MENU
© 1989-2003
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
©1989-2003
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.
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