Chapter 8 : Operation; Start-Up - Delta RT Series User Manual

8.1

Start-up

NOTE:
1. Before start-up, ensure that the batteries are fully charged. Before using the UPS for
the first time, please check the battery capacity and the charging settings. Make sure
that you charge the batteries until the battery percentage shown on the UPS's LCD is
100%
2. If the UPS is connected to an inductive load, the inrush current (initial surge current)
may cause the inverter to restart when you power on the UPS. To avoid this situation,
please power on the UPS in bypass mode.
If the UPS is connected to an inductive load, the inrush current (initial surge current) may cause the
inverter to restart when you power on the UPS. To avoid this situation, please power on the UPS in
bypass mode.
 Start-up with AC Input
If you don't connect the Delta external battery pack(s) to the UPS:
Verify if the UPS's input cord meets with N, L & G of the wall socket and the utility AC power
works normally.
Plug the UPS's input cord into the wall socket.
Press and hold the ON/ OFF button (
button after you hear one beep and the UPS will start up. After the UPS performs self-
diagnosis, the UPS will run in ON-LINE mode.
Amplon RT Series

Chapter 8 : Operation

( )
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) for 3 seconds to start up the UPS. Release the
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