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

System Status

6.2.3 Bypass Mode Start-up Procedures

1
Ensure that the Manual Bypass Breaker (Q2) is in the OFF position.
2
Switch ON every external battery cabinet's breaker.
3
Switch ON the Input/ Bypass Breaker (Q1).
4
After you switch ON the Input/ Bypass Breaker (Q1), 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
Please refer to Figure 6-1 for the relevant LED indicator location.
5
The LCD initial screen (see Figure 6-10) will appear within 40 seconds after the Input
Bypass Breaker (Q1) is turned on.
Modulon DPH Series
UPS-1.1 MEASUREMENT SETUP
Power Flow
POWER FLOW
Maintenance
Power Flow
Bypass
Bypass
Summary
Mains
90 %
5 mins
(Figure 6-9 : Battery Mode Screen)
WARNING:
1. For parallel units, ensure that every operation procedure mentioned below is
simultaneously executed and performed to all of the parallel UPSs.
parallel ones, please contact service personnel.
module finishes initialization, each power module's fans will start running, each
power module will start establishing DC BUS voltage and each power module's
LED indicator will illuminate green.
each parallel communication card will start initialization. After initialization, the
master parallel communication card's LED indicator will illuminate green and the
backup communication card's LED indicator will illuminate yellow.
MAINTENANCE LOG IN WARNING
User
6-10
10:15
2
May 25,2018
Battery
Load
30 %