Chatsworth Products GT Series UPS (3-10kVA) - Manual (Page 11)

OPM_GTU_TWR_1K0_3K0_XUS_V015 10 DE GT Series: User manual rev date 8-11-04
Digital Energy GT Series
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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
3 - Operation
Fig. 3.1 Operating panel