ZGR TOWER PRO 6 10 KVA
Operation manual
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Set the
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Switch on the UPS
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
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.
Black (Cold) start procedure
Follow these procedures when the input AC Utility Failure, but battery is normal
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Turn on the battery switch. The battery will feed the Auxiliary power board.
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Trigger the cold start buttons at the position 9 in Fig. 4-2.
Fig. 4-2 Cold Start button
When battery normal, rectifier starts operation, 30 s later, inverter starts and operates, INV and output light up.
Inverter Off
l beep sounds, the inverter LED will
extinguish, the bypass LED on, then the UPS turns to bypass supply.
the output of the UPS is off, fan stop spinning. After 60 seconds, all the LED on the LCD display extinguish.
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PRECAUTION
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
PRECAUTION
Wait for approximately 30 seconds before you press the black start key.
