Delta Modulon DPH 200kVA, User Manual, Page: 133 / 232

6-15
6
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UPS Operation
5
Single Input:
Switch OFF the UPS’s bypass switch (Q0), Delta or non-Delta external maintenance
bypass cabinet’s input breaker or switch (Q1) and output breaker or switch (Q4).
Dual Input:
Switch OFF the UPS’s bypass switch (Q0), Delta or non-Delta external maintenance
bypass cabinet’s input breaker or switch (Q1), bypass breaker or switch (Q2) and
output breaker or switch (Q4).
After that, the screen shows as follows.
Standby
POWER FLOW
Maintenance
Bypass
Bypass
Mains
90 %
5 mins
Load
0 %
MEASUREMENT
Power Flow
UPS-1.1 SETUP MAINTENANCE
Power Flow
Summary
System Status
LOG IN
User
2
WARNING
10:15
May 25,2018
(Figure 6-16 : Manual Bypass Mode Screen)
6
When the UPS is discharging DC bus voltage, the LED indicator on each power
module will flash green. After discharging is completed, the LED indicator of each
power module will be off.
7 After three minutes, the UPS will shut down, and the LCD and the tri-color LED
indicator will be off.
8
Switch OFF each external battery cabinet’s breaker (Q5).
y
Switching from manual bypass mode to online mode
WARNING:
1. For parallel units, ensure that every operation procedure mentioned below is
synchronized to all parallel UPSs.
2. For parallel application, if you just want to operate a specific UPS but not all
parallel ones, please contact service personnel.
1 Switch ON each external battery cabinet’s breaker (Q5).