USER’S MANUAL
3. 425,650 & 800 CONTROLS AND INDICATORS
* 425 Panel Diagram
Front Panel
Rear Panel
* 650 & 800 Panel Diagram
Front Panel
Rear Panel
(I) ON/OFF/TEST:
The button controls power to the UPS and its output receptacles. The alarm will emit a beep during the first .2 sec contact (continuJ
ous press & hold the button) then two short beeps at the 2nd sec and three short beeps at the third sec to indicate the effective conJ
tact time.
Press the button, the UPS will power on its output after releasing the button. The UPS will ignore any switch on contact that contact
time is 0.2 sees less or 4 sees more to avoid the unnecessary battery drain. Power on the UPS!
Switch on the UPS when the utility is normal, the UPS will transfer the load to the internal battery power to perform the diagnostic self
test at boost for 5 sees then return the load to the AC utility. AC start up self{test feature!
Switch on the button during a utility power outage and the UPS is off, the UPS will start to power on itself and its output receptacles.
DC start up feature!
Press and hold the button for 2 sees and less than 3 sees when utility is normal, the UPS will simulate the utility outage and perform
self test function It provides a convenient means of testing the UPS s battery. Self test feature!
During a utility power outage the UPS will emit one beep once every five seconds Pressing and hold the button for 2 sees and less than
3 sees and UPS will silence the beep. Alarm disable control!
(II) ON{LINE/ON{BATT LED:
When operating normally this indicator will always stay on During a utility failure the UPS will emit a beep every five sees and this LED
will blink at alarm beeping. Utility failure indication!
During a low battery condition which means that the UPS’s usable battery capacity is nearly spent the UPS will emit a constant beep
and both LED will blink After the UPS shut down, the yellow LED stay blink w/o beeping. Low battery warning!
The low battery warning interval is default to be a reasonable period where it takes longer for computer systems to save files and close
operations User may reduce the interval half via pressing the on/off switch more than 3 sees and less than 4 sees during UPS s onJ
batt operation User may extend back to the default vice verse. Low battery warning interval control!
When operating UPS with no equipment load during a utility power outage the UPS will emit two beeps once five sees then shut itself
down to save battery energy after ten minutes To wake up the UPS, press the button. Power saving!
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