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It is easy to operate the equipment, with no previous training. You just need to
read through this manual and operate according to the instructions in it. The
meaning of the LED indicators, please refer to the appendix 1 “Display panel”.
3.1 Operation
1. Turn on the UPS with utility power supplied (in Line mode/AC
mode)
1) After you make sure that the power supply connection is correct,
set the input breaker in the “ON” position first. At this time the fan
rotates and the UPS supplies power to the load via the bypass.
The UPS operates in Bypass mode.
2) To power on the UPS by simply pressing the “ON” button continu-
ously for more than 1 second.
3) When being powered on, the UPS will perform self-diagnosis,
with the load/battery level LEDs turned on and then off one after
another in ascending order. A few seconds later, the INV LED is
turned on, the UPS is already running in Utility Power mode. If the
utility power is abnormal, the UPS will operate in battery mode
without output interruption of the UPS.
2. Turn on the UPS with no utility power supplied (in Battery mode)
3. Turn off the UPS with utility power supplied (in Line mode/AC
mode)
1) Press the “ON” button continuously for more than 1 second to
power on the UPS. For long back up time model (“S” model),
please make sure that the battery breaker is in “ON” position.
2) During the course of starting up, the UPS has the same action as
if it is connected to utility power except that the utility power LED
is not turned on and the battery LED is turned on instead.
1) Press the “OFF” button continuously for more than 1 second to
turn off the inverter of the UPS immediately.
2) When being powered off, the UPS will perform self-diagnosis,
the Load/Battery level LEDs will be turned on and then off one
after another in ascending order, then the INV LED will be turned
off and Bypass LED will be turned on. The UPS is working in
Bypass mode.
3) Upon completion of the above to turn it off, output of electric
current of the UPS is still present. In order to cut off the output
3. Operation and Operating mode
