GE Power Supply User Manual

Contents

OPM_GTU_19X_1K0_3K0_XUS_V014 11 GT-UL Series: User manual 1.2 (US)Digital Energy ™ GT Seriesg3.2 Start-up3.2.1 Start-up, utility power available1 Push the ‘I/TEST’-button (1) and holdfor 3 seconds until a short beep isheard. The bypass LED will shortly lightup. When the LED ‘On Line’ lights up,the UPS is running in ‘ON LINE’ mode.2 The equipment connected to the UPScan now be switched on.3.2.2 Start-up, utility power not available(cold start or battery start)1 Push the ‘I/TEST’-button (1) and holdfor 3 seconds until a short beep isheard. The battery LED and LED ‘OnBattery’ will light up. The UPS operatesin ‘ON BATTERY’ mode”: it dischargesthe batteries.3.3 Use: Normal Operation3.3.1 Normal operation conditions:• The utility power supply is present and within allowable tolerances,• The load does not exceed the nominal rating of the UPS and• The operating temperature is below alarm level• The UPS is on,3.3.2 Normal operation indications:• LEDs ‘Line’, ‘On Line’ and the Load LEDare on• One or more LEDs on the level bar are on• The buzzer is silent3.3.3 UPS self-testPress the ‘I/TEST’-button (1) when theUPS is in ‘ON LINE’ mode. The UPS willshift to ‘ON BATTERY’ mode andautomatically perform a self-test for about10 seconds (as in fig. 3.5). The self-testfunction will check the condition of thebattery. After self-test is finished and test isO.K, the UPS will return to ‘ON LINE’mode.Fig. 3.2 On Line modeFig. 3.3 On Battery modeFig. 3.4 Normal operationFig. 3.5 UPS self test