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ST

AND  BY

  UPS 

USER S  MANUAL

,

UPS-1200D

Specification

Maintenance

1.With normal use, a UPS battery will last three to six years depend on number of discharge and 
   temperature. Replacement and servicing of the battery should be performed or supervised by 
   personnel knowledgeable of batteries and their precautions. Keep unauthorized persons away.
2.Charge the UPS's battery every 3 months during extended storage.
3.Disconnect the power during extended storage to avoid overcharge of the battery.
4.Avoid overload or short circuit thought the UPS have build-in overload and short circuit 
   protect function. 

Dimension (W

x

D

x

H)

Net weight

1200VA

165V~275V
175V~265V

50Hz/60Hz

220V

±

10%

12V 7Ah/ 2 PCs

720W

-5

~40

10%~90% RH, non condensing.

< 45dB A 
< 10 ms 

120

x

300

x

190 mm

12.00 Kg

Specification

Sealed, maintenance-free lead acid

Continuous beeping sound 

Over 8 Minutes

8-hour

NORMAL, FAULT, BATTERY, CHARGE, OVERLOAD

Beeping sound every four seconds, every 
second if approaches final discharge

Type
Capacity
Back-up time (half load)
Typical Recharge Time
Status
Battery Mode

Overload
Temperature
Humidity

Characteristic

Rated Power
Backup Power
Input
AVR Range
Output 
Frequency

Battery

LCD indicators

Audible Alarm

Operating Environment

Audible Noise
Transfer time

Troubleshooting

Allow UPS to recharge battery for 
a minimum of 8 hours. If UPS 
sounds low battery warning 
prematurely, when retested, battery 
should be replaced.

Action To Take
Press the POWER button and 
hold more than 4 seconds.
Replace the PCB, call for service

Replug the power cord

Replace the AC fuse

normal condition

Replace the PCB, call for service

Remove the noncritical loads

Possible Cause
POWER button not pushed or 
push too short.

PCB failure

PCB failure

Power cord lose
AC fuse burn out

Line voltage too high, too low 
or black out

Overload

Battery is weak due to wear or 
successive mains outages

Problem

UPS not on, LCD not light

UPS always at battery mode

Buzzer continuous beeping

UPS does not provide expected 
run time. Low battery warning 
is sounded prematurely.

Specifications are subject to change without prior notice

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