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4.2 Turn on/off UPS
4.2.1 Connecting with Utility
CAUTION!
MAKE SURE GROUNDING IS PROPERLY DONE!
◆
Set the Battery Breaker to the
“ON” position according to the user’s manual.
◆
Switch on the UPS
CAUTION!
Check to see if the load is safely connected with the output of the UPS. If
the load is not ready to receive power from the UPS, make sure that it is
safely isolated from the UPS output terminals
The internal fan of the UPS starts spinning, the UPS is performing self-diagnostics
until buzzer beeps twice to show the UPS is normal. Then, the UPS goes to bypass
supply, Utility LED and Bypass LED turn Green, the inverter is starting up now. When
the inverter is
checked “normal”, the UPS goes to working mode and the load is
supplied by the inverter now.
No matter the UPS is operated normally or not, the LCD display will indicate current
status. The top lines display the UPS operational status and the bottom lines indicate
alarm conditions when they occur.
4.2.2 Black (Cold) start procedure
开 机
关 机
退 出 旁
路
故 障
主 路
逆 变 输 出
确 认
CAUTION!
Follow these procedures when the input AC Utility Failure, but battery is
normal
◆
Turn on the battery switch.
The battery will feed the Auxiliary power board.
◆
Trigger the cold start buttons at the position 4 in above drawing.
When battery normal, rectifier starts operation, 30s later, inverter starts
and operates, INV and output light up.
