Start-Up Procedures; Online Mode Start-Up Procedures - Delta Modulon DPH series User Manual

6.2

Start-up Procedures

6.2.1 Online Mode Start-up Procedures

1
Ensure that the manual bypass breaker or switch (Q3) of the Delta or non-Delta external
maintenance bypass cabinet is in the OFF position.
2 Switch ON each external battery cabinet's breaker (Q5).
3 Single Input:
Switch ON the bypass switch (Q0) of the UPS, the input breaker or switch (Q1) and the
output breaker or switch (Q4) of the Delta or non-Delta external maintenance bypass
cabinet.
Dual Input:
Switch ON the bypass switch (Q0) of the UPS, the input breaker or switch (Q1), the
bypass breaker or switch (Q2) and the output breaker or switch (Q4) of the Delta or
non-Delta external maintenance bypass cabinet.
4 After you switch ON the UPS's bypass switch (Q0), Delta or non-Delta external
maintenance bypass cabinet's input breaker or switch (Q1) and bypass breaker or
switch (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 module
2. Each parallel communication card's LED indicator will illuminate red first and then
For the locations of parallel communication cards, auxiliary power cards, power modules
and associated LED indicators, please refer to Figure 6-1.
Modulon DPH Series
WARNING:
1. For parallel units, please follow 6.2.3 Bypass Mode Start-up Procedures to turn
on each parallel UPS. After confirming that parallel operation can be normally
run, follow the following procedures step by step.
2. For parallel units, ensure that every operation procedure mentioned below is
synchronized to all parallel UPSs.
3. For parallel application, if you just want to operate a specific UPS but not all
parallel ones, please contact service personnel.
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.
6-4