KStar YDC9300-B Operation Manual page 21

When battery normal, rectifier starts operation, 30s later, inverter starts and
operates and battery LED on
CAUTION!
Please press the close start button after 30 seconds until closing
the battery switch.
4.2.5 Shut down procedure
CAUTION!
This procedure should be followed to completely shut down the
UPS and the LOAD. After all power switches, isolators and circuit
breakers are opened, there will be no output.
On-line mode:
◆ Press OFF to shut down the UPS, waiting about 30s.
◆ Open the BATTERY breaker for long run UPS. Open the battery power switch
◆ Switch OFF the input breaker.
◆ Switch OFF the bypass breaker(D ual input version ).
◆ Switch OFF the OUTPUT breaker. The UPS shuts down;
◆ To completely isolate the UPS from AC Mains, all input switches of Utility shall
◆ The primary input distribution panel, which is often located far away from the
Battery mode:
◆ Press OFF to shut down the UPS, waiting about 30s.
◆ Open the BATTERY breaker for long run UPS. Open the battery power switch
◆ Switch OFF the OUTPUT breaker. The UPS shuts down.
for standard UPS.
be completely off.
UPS area, so a label should be posted to advise service personnel that the
UPS circuit is under maintenance.
for standard UPS.
WARNING!
Wait for about 5 minutes for the internal D.C. bus bar
capacitors to be completely discharged.
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