Chapter 7 : Ups Operation; Start-Up Procedures; Normal Mode Start-Up Procedures (Single) - Delta NT Series User Manual

Please check the following items before start-up of the UPS.
1. All circuit breakers or switches are in the OFF position.
3. Ensure that neutral line and grounding have the same voltage.
5. Ensure that every fuse is in the 'CONNECTION
If you perform turn-off procedures, all power supplying to the UPS will be
completely cut off. Please make sure the critical loads connected to the UPS

7.2 Start-up Procedures

7.2.1 Normal Mode Start-up Procedures (Single)

NOTE :
1. Turn on the Reserve Input breaker or switch, and the LCD will display 'Bypass
Mode
2. Turn on the
that, the DC BUS voltage will be established to 393V.
4. Press the 'ON
inverter will start up. Once the inverter voltage is established, the power will be
switched from bypass to inverter. At this moment, it will be the inverter to supply
power to the connected loads, and the LCD will display 'Normal Mode
30 seconds, the UPS will automatically execute a battery test to check if the
connected batteries are normal or not.
Ultron NT Series

Chapter 7 : UPS Operation

Before executing the following start-up procedures, please refer to 7.1
breaker or switch and wait about 30 seconds. After
Battery breaker.
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OFF status.