Start-Up Procedures; On-Line Mode Start-Up Procedures - Delta Ultron DPM Series User Manual

6.2

Start-up Procedures

6.2.1 On-Line Mode Start-up Procedures

WARNING:
1. For parallel units, please follow 6.2.3 Bypass Mode Start-up Procedures
2. For parallel units, ensure that every operation procedure mentioned below is
1
Switch ON each external battery cabinet's breaker (Q5). At this moment, the UPS's
Figure 2-13.
2
(a) Single Input:
Switch ON the external maintenance bypass cabinet's input breaker (Q1) and output
indicator will illuminate yellow.
After 1 minute of LCD initialization, the LCD will enter the Main Screen as shown in the
starts running and establishing the DC BUS voltage, but the charger converter has not
charged the batteries yet. During this time, the tri-color LED indicator remains yellow.
to turn on each parallel UPS. After confirming that parallel operation works
normally, follow the procedures below step by step.
synchronized to all parallel UPSs.
parallel ones, please contact service personnel.
6-5
6 UPS Operation