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RS-232 Port 

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Inlet Socket 

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 Input fuse 

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 Outlet Socket

 

 
 
 
                                   

GUARD SERIES 

GUARD SERIES 

 

 

       500AP/ 600AP /800AP     500A/ 600A/800A 

 

2.INSTALLATION 

2.1 Inspection

 

Inspect the UPS upon receipt. The packaging is recyclable; save it for     
reuse or dispose of it properly. 

2.2 Utility Power

 

The input power cord on the rear panel needs to plug into a socket on 
the wall. Please notice the voltage of utility power should match with the 
UPS. (For example, the UPS is 220V, the input utility power should be 
220V as well.) 

2.3 Connection

 

The employed equipment’s power cords (such as computer) are 
plugged into the sockets on the rear panel. 

 

3.OPERATION 

3.1 Switch on with “Green Mode” Function under AC mode

 

When utility input is connected to the UPS, press “ON” button and keep 
pressing less than 3 sec to turn on the UPS. After that, connect the 
electrical cords of the equipments that will be used (such as desktop 
computer and CRT monitor) to the rear panel of UPS. In order to save 
the power, it will also automatically enable the “Green mode” - No Load 
(or Light load) shut-down function under backup mode (about 4 minutes 
later). 

 

   

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ATTENTION:

 At backup mode, UPS can be automatically turned off if none     

of the connected loads is operating. (Green mode; No Load shut down 
function) Once the utility power is normal again, the unit can be waked up 
by itself. 

CAUTION:

 Never connect a laser printer or plotter to the UPS with other 

computer equipment. A laser printer or plotter periodically draws 
significantly more power than when its idle status, and may overload the 
UPS. 

 

3.2 Switch on with “Disabled Green Mode” Function under AC mode 

When utility input is connected to the UPS, press “ON” button and keep 
pressing until the ”Bi...Bi-Bi” beeps stopped to turn on the UPS. After 
that, connect the electrical cords of the equipments that will be used 
(such as Notebook computer and LCD monitor) to the rear panel of UPS. 
If the load is lighter than 15W, please also refer this function to avoid any 
inconvenience cause by “Green Mode” function. 

3.3 DC Start with “Green Mode” Function 

If the power of UPS isn't supplied by utility but by the internal batteries to 
engage the UPS, press the power button and keep pressing less then 3 
seconds. 

3.4 DC Start with “Disabled Green Mode” Function 

If the power of UPS isn't supplied by utility but by the internal batteries to 
engage the UPS, press the power button and keep pressing until the 
sounds of “Bi Bi-Bi”. 

3.5 Switch off 

Press the power switch and keep pressing more than 3 seconds to turn 
off the UPS. 

3.6 Silence 

When UPS is under “BACKUP” mode, press power switch more than 1 
second to silence the audible alarm. (The function is disable when UPS 
is under condition of “LOW BATTERY” or “OVERLOAD”) 

3.7 Self test function 

Press power switch while utility power is connected, UPS will perform 
self-test procedure automatically. 

 

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