18
3.7
Maintenance operation steps
This steps must be done by pforessional people, otherwise it’
s accounto your
responsibility for any cost.
Turn off the inverter. Long press the ON/OFF above 1 second
，
and UPS will
transfer to bypass and bypass light on.
1) Open the rear cover board of the breaker,turn on the manual bypass breaker.
2) Shut off UPS input, battery switch,byapss switch and ourput switch.
3) Operate relative maintanence of UPS
4) Turn on the output switch.
5) Turn on the bypass switch,input switch,battery switch and bypass light will be
on.
6) Shut off manual maintenance switch.
7) Switch on the inverter.Long press ON/OFF button above 1s, and 10s later,
UPS goes into normal working status.
4
Operation of front panel
4.1
The structure & function of front panel
（２）
（３）
（７）
（８）
（９）
（１０）
（６）
（５）
（４）
（１）
ＦＡＵＬＴ
ＩＮＶ．
ＢＡＴ．
ＢＹＰＡＳＳ
ＬＩＮＥ
ＥＳＣ
ＳＣＲＥＥＮ
ＯＮ／ＯＦＦ
ＥＮＴＥＲ
（
1
）
LCD display screen.Display the working parameter and status of the UPS.
（
2
）
Bypass output indicator (green).It will light when UPS output is in bypass
model.
（
3
）
Main power input indicator (green).It will light when main power is normal.
（
4
）
Battery is working (yellow).It will light when UPS is powered by batteries.
