Delta Modulon DPH Series User Manual page 147

3
After selection of 'YES', the UPS will shut down the inverter, terminate each power
module's output and let the bypass AC source supply power. If the bypass AC source
is abnormal, there is a risk of output interruption and the connected critical loads won't
be protected. At this moment, each power module keeps charging the batteries, the
tri-color LED indicator illuminates yellow and the following screen appears. For the tri-
color LED indicator location, please refer to Figure 2-11.
UPS-1.1 MEASUREMENT
Power Flow
POWER FLOW
Maintenance
Power Flow
Bypass
Bypass
Summary
Mains
System Status
90 %
5 mins
4
Switch OFF the Input/ Bypass Breaker (Q1) and Output Breaker (Q3). After that, the
UPS will run in standby mode.
5
6
About 3 minutes later, the UPS will shut down and the LCD and the tri-color LED
7
Switch OFF every external battery cabinet's breaker.
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.
SETUP MAINTENANCE
(Figure 6-47: Bypass Mode Screen )
6-33
LOG IN EVENT LOG
User
Load
30 %
6 UPS Operation
10:15
May 25,2018
Bypass