Cold Start Procedure; Maintenance Bypass - KStar HIP3300E Operation Manual

Switch on the MAINS to simulate utility recovery, the rectifier will restart automatically
◆
after 20 seconds and the inverter will supply to the load. It is suggested to use Dummy
loads for testing. The UPS can be loaded up to its maximum capacity during load test .

4.2.3 Cold start procedure

CAUTION!
Follow these procedures when the input AC Utility Failure, but battery is normal
Switch on the battery switch .
◆
The battery will feed the Auxiliary power board .
Switch on the Output switch
◆
◆ Trigger the cold start button of the bypass module.
When battery normal, rectifier starts operation, 30s later, inverter starts and
operates and the green LED will light on.
CAUTION!
Wait fo r approximately 30 seconds before you press the black start key

4.2.4 MAINTENANCE BYPASS

To supply the load via Mains, you may simply active the internal mechanical bypass switch.
CAUTION!
The load is not protected by the UPS when the internal mechanical bypass system is
active and the power is not conditioned.
Switch to mechanical bypass
CAUTION!
If the UPS is running normally and can be controlled through the display, carry out
steps 1 to 5; otherwise, jump to Step 4.
◆ Open the cover of maintenance switch, the UPS turns to bypass mode
automatically.
◆ Switch on MAINTANCE switch;
◆ Switch OFF BATTERY switch;
◆ Switch OFF the MAINS switch;
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