OPM_GTU_19X_1K0_3K0_XUS_V014
10
GT-UL Series: User manual 1.2 (US)
Digital Energy
™
GT Series
g
3.1 Operation
Panel
1
Switch ‘I/TEST’
- Switches on the UPS
- In ‘ON-LINE’ mode it starts the battery test
- In ‘ON BATTERY’ mode it mutes the buzzer
2
Off switch
Switches off the UPS
3
LED ‘Bypass’
The UPS is in ‘BYPASS’ mode: the incoming utility power is
channeled directly to the load. See also 3.3.5
4
LED ‘Line’
Indicates the condition of the utility input power.
Continuously
lighting up: the input power is OK,
Flashing
: input voltage is too low, too high, or out of frequency,
Off
: blackout or ultra high voltage (>150Vac)
5
LED ‘On Line’
The UPS is operating in the (normal) ‘ON LINE’ mode
6
LED ‘On Battery’
The UPS is operating in ‘ON BATTERY’ (back-up) mode: utility
power fails, and the internal batteries supply the required
power until either they are depleted or utility power returns.
7
Level bar
- In ‘ON BATTERY’ mode: shows current battery capacity
- In ‘ON LINE’ mode: showing current load level
8
Battery LED
Level bar shows current battery capacity
9
Load LED
Level bar shows current load level
10
Battery low LED
The battery is almost depleted
11
Replace battery LED
After a battery test the LED shows that the batteries are weak.
Battery replacement is recommended
12
Overload LED
The load exceeds the nominal UPS rating. After a short period
of time the UPS will transfer to ‘BYPASS’ mode
13
Fault LED
The UPS is faulty
Fig. 3.1 Operating panel
3 - Operation
1
2
7
3
5
6
4
8
9
13
12
11
10
