22
5.6 Turn off the UPS:
(1) In Inverter Mode:
Press “ ” button continuously for more than 1 second to turn off the UPS, the
UPS will get into no output or bypass mode. At this time, the UPS might has
output if bypass is enabled. Disconnect the utility power to turn off the output.
(2) In Battery Mode:
Press “ ” button continuously for more than 1 second to turn off the UPS, the
UPS will be turned off completely.
5.7 Audible alarm mute function:
If the alarm is too annoying in battery mode, you may press “I” button
continuously for more than 1 second to clear it. Moreover, the alarm will be
enabled when the battery is low to remind you to shutdown the load soon.
If the alarm is too annoying in bypass mode, you may press “ “button
continuously for more than 1 second to clear it. The action doesn’t affect the
warning and fault alarm.
If all alarm is too annoying, you can short touch “I” button, all alarms are
disable, if alarms need to be resumed, short touch “I” button again.
5.8 Operation procedure of external battery for long backup
time model (“S” model)
(1) Use the battery pack with voltage: 36VDC for 1KVA (12V
×
3
batteries),
48VDC for 2KVA 2V
×
4
batteries), 72VDC for 3KVA 2V
×
6
batteries).
Connection of batteries more than or less than required will cause
abnormality or permanent damage.
(2) One hard wiring type battery terminal on the rear panel is used for
connecting the battery pack.
(3) The battery connection procedure is very important. Any incompliance
may result in the risk of electric shock. Therefore, the following steps must
be strictly complied with.
(4) Make sure the mains input is cut off, if there is a battery breaker then turn
it off first.
(5) Remove front panel, connect the battery via Anderson PP45 connectors.
Prepare the battery cable which should be able to carry the current of
>50A for all models, the cross section area should be great than 4 mm
2
for
23
all model. And battery wire color is recommended as following:
＋
GND
－
Red wire
Green/Yellow wire
Black wire
(6) The red wire is connected to the "+" terminal of the battery. The black wire
is connected to the "-" terminal of the battery. (Note: the green/yellow wire
is grounded for protection purpose.)
(7) Make sure the wires are fasten, install the terminal block cover on the rear
panel of the UPS.
(8) Connect the UPS to the load. Then, turn on the mains switch or connect
the power cord of the UPS to utility power supply, the battery would start
to be charged.
Caution:
A DC breaker must be connected between the UPS and external battery.
Caution:
The output sockets of the UPS system may still be electrically live even if the
power supply system has been disconnected or the Bypass switch is on
“OFF” position.
