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USER’S MANUAL 

SmartDual Series UPS 
DUL-800A/1200A/1500A/2000A 

 

 

 

(SAVE THESE INSTRUCTIONS) 

This manual contains important safety instructions. Please read and follow all instructions 
carefully during installation and operation of the unit. Read this manual thoroughly before 
attempting to unpack, install, or operate the UPS. 
Insure the wall outlet and UPS are located near the equipment being attached for proper 
accessibility. 
To reduce risk of damage and injury, please use batteries with good quality. 
Provide adequate ventilation  for  the battery  compartment.  The battery enclosure should 
be designed to prevent accumulation and concentration of hydrogen gas at the top of the 
compartment. 

DO NOT

 expose the UPS to rain, snow or liquids of any type. The UPS is designed for 

indoor use only. 

DO NOT

 obstruct the ventilation openings. 

DO NOT 

connect neutral of the power distribution box on the wall to the output neutral of 

UPS. Otherwise the reversed polarity will damage the UPS and the connected equipment. 

CAUTION!

 Risk of electric shock, do not remove cover. No user serviceable parts inside. 

The battery can energize hazardous live parts inside even when the AC input power is 
disconnected. 
To avoid electrical shock, turn off the UPS and unplug it from the AC power source before 
servicing the battery. Servicing the battery can only be performed by trained personnel. 

 

 

UNPACKING 

Inspect the UPS upon receipt. The box should contain the following: 
  (1) UPS Unit 

 1; (2) User Manual 

 1 

 

OVERVIEW 

The UPS provides battery backup during power outages. The SmartDual series ensures 
consistent power to your computer system and its included software will automatically save 
your open files and shut down your computer system during a utility power loss. 
The 1500/2000 model can connect external batteries for longer back up time. 

HARDWARE INSTALLATION GUIDE 

 

Before installation, please read and understand the following instructions: 
1.  Placement 

The UPS must be installed in a protected environment away from heat- emitting 
appliances such as a radiator or heat register. Do not install this product where 
excessive moisture is present. 

2.  Ventilation 

The location should provide adequate air flow around the UPS with 10 CM minimum 
clearance on all sides for proper ventilation. 

3.  Connect the Battery(only for 1500/2000VA) 

Connect the external battery with the DC cables from the back of the UPS. Follow 
battery polarity guide located near battery cables as below.   
Red wire for battery positive polarity;   
Black wire for battery negative polarity.   

4.  Connect to AC and Charge the Battery 

Connect the UPS to a wall outlet. Avoid using extension cords and adapter plugs. 
Charging the battery for at least 8 hours is recommended to insure that the battery is 
fully charged. To recharge the battery, simply leave the unit plugged into a wall outlet. 
To maintain optimal battery charge, leave the UPS plugged into an AC outlet at all 
times. 

This UPS can be charged even when UPS is not turned on

.

 

5.  Connect the Load 

Connect the equipment to the UPS outlet. Please make sure that the total loads of your 
equipment are less than the maximum total power load of the UPS. Connect your 
computer, monitor, and any externally-powered data storage device (Hard drive, Tape 
drive, etc.) into the outlets only when the UPS is off and unplugged. Do not plug a laser 
printer, copier, space heater, vacuum, paper shredder or other large electrical device 
into The UPS. The power demands of these devices will overload and possibly 
damage the unit. 

 

 

FRONT PANEL DESCRIPTION 

 
 
 
 
 
 
 
 
   

 

 

         

800/1200

/1500VA

                               

2000VA

 

1

  LED Indicators 

This LED is illuminated when the UPS is working. 

2

  Power On/Off Button 

           

Press the power Button to turn the UPS ON or OFF. 

 

 
REAR PANEL DESCRIPTION 

 
 
 
 
 
 
 
 
 
 

 

       

800/1200

/1500VA

                                             

2000VA 

 

3

  Input Circuit Breaker 

The circuit breaker provides optimal overload protection.

 

4

  Input power cord 

Connect to utility power 

5

  AC Outlet 

Provide battery backup protection. They ensure power is provided to connected equipment over a 
period of time during a power failure

6

  USB Port to PC 

This port allows connection and

 

communication from the USB port on the computer to the 

UPS unit. 

7

  Battery Input Connector 

          Connect to additional external batteries.

 

 

 

AC Mode 

The UPS delivers power to the load derived from the utility and maintains proper battery charge. 

On-Battery Mode 

The UPS operates on battery when the utility voltage has fallen outside the limits. Local users are 
alerted to this mode of operation by visual and audible indicators. The UPS provides power to the load 
from the battery and the output voltage of the UPS are regulated within a narrow range 

1. 

Button On 

Press the power Button 2 second s and the yellow LED will

 

light up. 

2. 

Button Off 

Press the power Button 1 second again, all the LEDs will go off. 

3. 

Cold Start / Start on Battery:   

This UPS can be turned on even when AC is not present. 

 

Press the power Button 2 second then the yellow LED will

 

light up. 

 

 

ROUTINE MAINTENANCE

 

1. 

Use dry soft clothes to clean the panel and plastic parts. Do not use any detergent that contains 
alcoholic ingredient.   

2. 

Unplug the UPS from power inlet if the UPS will not operate for long period of time. 

 

STORAGE

 

1. 

First turn off your UPS and disconnect its power cord from the wall outlet. Disconnect all cables 
connected the UPS to avoid battery drain.   

2. 

The UPS should be stored in a cool dry location. 

3. 

Make sure the battery is fully charged before the UPS is stored. 

4. 

For extended storage in moderate climates, the battery should be charged for 12 hours every 3 
months by plugging the power cord into the wall receptacle and turning on the main Button. 
Repeat it every 2 months in high temperature locations. 

 

 

Model 

 

DUL-800A 

DUL-1200A 

DUL-1500A 

DUL-2000A 

Capacity (VA) 

800 

1200 

1500 

2000 

Capacity(Watts) 

490 

700 

900 

1200 

Input 

Input Voltage 
Range   

92-148/169-270Vac 

Frequency 
Range   

50/60Hz 

Output 

On Battery 
Output Voltage 

Sine Wave at /-10% 

On Battery 
Output 
Frequency   

50/60

±

0.2Hz   

Overload 
Protection 

On Utility: breaker 

  On Battery: Internal Current Limiting 

Physical

 

 

Total     
UPS outlets 

4*SCHUKO 

Maximum 
Dimensions 
(W*H*D) (mm) 

140*190.6*327.2 

225*151*390 

Weight (kg) 

10.08 

11.57 

13.56 

20.72 

Battery 

 

Voltage 

24Vdc 

48Vdc 

TECHNICAL SPECIFICATIONS

ROUTINE MAINTENANCE AND STORAGE

FUNCTIONAL TEST

BASIC OPERATION 

INSTALLING YOUR UPS SYSTEM

IMPORTANT SAFETY INFORMATION

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