OPTI-UPS Inverter Series, User Manual

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4. OPERATION 

4.1 Once it’s connected with normal city power, the UPS will charge the battery automatically, 
when UPS is off, the status LED (in LED version) blinks green every 2 seconds; or in LCD version, 
the battery symbol and battery level will blink every second during charging.    If AC auto turn-on 
function is enabled, the UPS will turn on automatically when city power is normal.    If auto turn-on 
is disabled, please push the button for about one second on the front panel; then the UPS will give 
power to the outlets after a short-time of beeping. 

4.2 Pushing the button for 4 seconds, the UPS will turn off the power on the outlets.    But, the 
UPS will keep charging if city power is normal.    To stop the charging, please pull out the power 
cord to shut down the UPS completely. 

4.3 

DC start

: During a blackout, push the button one second for entering “OFF” mode (LCD 

showing “OFF” or LED blinking orange); then push again for one second, and the UPS will be 
turned on and enter into backup mode.    To turn off the power from UPS; please push the button 
for 4 seconds; then the status LED (in LED version) will blink orange every 2 seconds; or LCD 
display will show “OFF” (in LCD version); then, wait for 10 seconds, and UPS will turn off the power 
automatically. 

4.4 In “OFF” mode, UPS will turn off power completely in 10 seconds during a utility failure; while 
UPS will keep charging the batteries if the utility power is normal.    When utility power is normal, 
please pull out the power cord if you want to turn off the UPS completely. 

4.5 To test the battery and inverter of UPS, you can unplug the I/P cord, but it is more convenient to 
push the main control button for one second, the UPS will simulate a 10 seconds blackout and 
transfer to battery mode for discharging test.    To cancel self-test, please push the control button 
for 2 seconds. 

4.6 Under battery mode, when battery voltage is too low or too high, the UPS will emit alarm, if the 
under voltage or over voltage is too much, the UPS will turn off the UPS automatically. 

4.7 When a blackout happens, the buzzer will emit two beeps every 8 seconds for alarm.    You can 
disable the alarm by setting silence mode; to push the main control button will disable the alarm, and 
to push it again will enable the alarm, the setting can be shown on LCD display.     

Note:

 The main control button will provide test function at normal mode, but will become with 

alarm-reset function at battery mode.