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OPERATIONAL PROCEDURES
STARTUP PROCEDURE
1. With main and By-pass disconnects on wall, CB1, SW1-3 and the Battery Cabinet circuit breaker all off, turn on
the main disconnect and the By-pass disconnect if present.
2. Turn on SW3 to supply the output with power.
3. Turn on CB1, SW1, SW2 and the Battery Cabinet circuit breaker.
4. Check for alarms.
5. Turn off SW3.
6. Press and hold for more than three seconds the “INVERTER ON” button on the display.
7. Check display to insure the rectifier and inverter are on.
8. The UPS is now supplying the load via the inverter.
*Note:
The order is important so that the output is not interrupted.
MAINTENANCE BY-PASS PROCEDURE
1. Press “INVERTER OFF” for 3 seconds or until the audible alarm is heard and Inverter mimic shows the inverter
section is off.
2. Switch SW3 on. Turn off CB1, SW1, SW2 and the Battery Cabinet circuit breaker.
Note:
The order is important so that the output is not interrupted.
Note:
For the 208VAC output UPS (4X2), SW2 can remain on to energize the fans.
Note: For 4X2 units, fans and fuse block remain energized with SW2 on. Use insulated fuse puller for
service.)
SHUTDOWN PROCEDURE
1. Press “INVERTER OFF” for 3 seconds or until beep is heard and Inverter mimic shows the inverter section is off.
2. Switch SW3 on and SW2 off.
3. Turn off CB1 and SW1.
4. Open Battery Cabinet circuit breakers.
5. Turn off main disconnect (and By-pass disconnect, if required)
