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7. Operation
7.1 Connecting the UPS with Utility AC Power
1
If the UPS connects with external battery cabinets, make sure the circuit breakers or switches of all external battery cabinets are
switched to the ON position.
2
Close the internal battery fuse holders.
3
Switch on the bypass breaker and press the ON key (
ON
) to start the LCD. After that, the fans come on, the LCD will first show
the message below and the BYPASS LED indicator (
BYPASS
) will illuminate (yellow). For the position of each breaker, refer to
4.5 Rear Panel
.
4
Switch on the input breaker and the utility AC power supplies power to the UPS.
7.2 Turn On
Press the
ON
key (
ON
) for 3~4 seconds and release it after hearing a beep to start up the UPS. After the UPS completes its self-
diagnosis, it will transfer to Normal mMode.
7.3 Turn Off
In online mode, press the OFF key (
OFF
) once. To stop the inverter, press the DOWN key (
). The inverter will shut down, the
buzzer will sound once, and the system will transfer to bypass mode. At this time, the bypass LED indicator (
BYPASS
) will illuminate
(yellow). To complete the shutdown process, remove the line source.
?
TRANSFER TO BYPASS
YES( ) NO( )
In battery mode, press the OFF key (
OFF
) once. To turn off the UPS, press the DOWN key (
). The inverter will shut down, the
buzzer will sound once and the UPS will shut down.
?
TRANSFER TO BYPASS
YES( ) NO( )
WARNING:
The UPS may be removed only after the LCD screen is off, the fans are no longer running, the utility AC power is
removed and the batteries are disconnected.
