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4.1.2 Black (Cold) start procedure
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.
Press and hold the ON key for more than two seconds to start the UPS.
When battery normal, rectifier starts operation, 30s later, inverter starts and
operates, INV and output light up.
CAUTION!
Wait for approximately 30 seconds before you press the black start key.
4.1.3 Inverter Off
When the Utility is normal, press “ESC /OFF” button for approx. 1 sec until beep
sounds, the inverter LED will extinguish, the bypass LED on, then the UPS turns to
bypass supply.
When the UPS is on battery mode or without AC, press “ESC /OFF” button for
approx. 1 sec until beep sounds, the output of the UPS is off, fan stop spinning.
After 60 seconds, all the LED on the LCD display extinguish.
4.1.4 Disconnecting with Utility
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.
• After the inverter is off, turn the Utility and battery breakers to “OFF”,
then the LCD display will extinguish completely and fan stops spinning in
60 seconds.
If there are external battery packs connected, please also
turn the battery breaker to “OFF”.
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