Chapter 6 : Ups Operation; Pre Start-Up & Pre Turn-Off Warnings - Delta Ultron Series User Manual

6.1 Pre Start-up & Pre Turn-off Warnings
NOTE:
1. All LCD diagrams in the user manual are for reference only. The display is
subject to the actual status of the UPS.
2. For information about the LCD touch panel and tri-color LED indicator, please
refer to 2.8 Tri-color LED Indicator & Buzzer and 7. LCD Display &
Settings.
3. If the ON/ OFF Button (
Administrator first, and then go to
Off Button Access to change the setting.
4. The external battery cabinet's breaker (Q5) shown on the LCD is always ON
by default. To enable the detection of the Q5 status via the LCD, please contact
Delta customer service for additional configurations.
• Pre Start-up Warnings
1. Before UPS operation, ensure that installation and wiring have been completely
done according to 5. Installation and Wiring, and relevant precautions and
instructions have been followed. Make sure the AC power's voltage, frequency,
phase sequence and battery type meet the UPS's requirements.
2. Make sure that all the switches and breakers, including every external battery
cabinet's breaker (Q5), are in the OFF position.
3. Make sure that the UPS's voltage difference between the Neutral (N) and Ground
( ) is below 3V.
4. Do not turn off the Output Switch (Q4) while the UPS is operating (in any mode
except for the Manual Bypass mode). Otherwise, it may cause abnormalities or
damage to the unit.

Chapter 6 : UPS Operation

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