Operation; Cold Start When Utility Is Not Present; Turning "On" The Ups; Turning "Off" The Ups - Delta 3KVA User Manual

4. OPERATION

4-1 Cold start when utility is not present

Even when there is no utility power, you can still turn on the UPS. Just press the 1/TEST
button and hold for one second, the UPS will start up after you hear a "bee". The battery
LED and on-battery LED will light on and the UPS runs on "ON-BATTERY mode".
Shown as fig 4-1.
Fig 4-1On Battery Mode

4-2 Turning "ON" the UPS

When the utility power is acceptable for the UPS, you can normally turn on the UPS after
pushing the 1/TEST button and hold a few seconds until a "bee" is heard. The bypass
LED will extinguish after shortly light on. When the on-line LED lights on, the UPS is
running on "ON-LINE mode". Shown as fig 4-2.
Fig 4-2 On-Line Mode

4-3 Turning "OFF" the UPS

Push the 0 button for turning off the UPS, when a "bee" is heard release your press. After
a few seconds the UPS is off.
The UPS will keep charging when UPS is in "STANDBY mode" even though the 0
button has been pressed. To fully turn off the UPS, it is advised to unplug the power cord.
Refer to fig 3-1.
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