Bypass Mode Start-Up Procedures - Delta Modulon DPH Series User Manual

UPS-1.1
Power Flow
Power Flow
Summary
System Status

6.2.3 Bypass Mode Start-up Procedures

1
Ensure that the Manual Bypass Breaker (Q3) is in the OFF position.
2
Switch ON every external battery cabinet's breaker (Q5).
3
Switch ON the Input Breaker (Q1) and Bypass Breaker (Q2).
4
After you switch on the Input Breaker (Q1) and Bypass Breaker (Q2), each auxiliary
power card's LED indicator will illuminate green and the following status will occur
simultaneously.
(1) The system and each power module will start initialization. After each power
Modulon DPH Series
MEASUREMENT SETUP
POWER FLOW
Maintenance
Bypass
Bypass
Mains
90 %
5 mins
EMS
(Figure 6-9: Battery Mode Screen)
WARNING:
1. For parallel units, ensure that every operation procedure mentioned below is
synchronized to all parallel UPSs.
parallel ones, please contact service personnel.
power module will start establishing DC BUS voltage and each power module's
LED indicator will illuminate green.
the card will start initialization. After initialization, the parallel communication
card's LED indicator will illuminate green.
NOTE:
If you purchase an additional parallel communication card (optional) and
install it in the parallel communication card slot shown in Figure 4-12,
initialization. After initialization, the parallel communication card's LED
indicator will illuminate yellow. For more information, please refer to 4.1.7
Parallel Communication Card.
MAINTENANCE LOG IN WARNING
User
6-10
10:15
2
May 25,2018
Battery
Load
30 %