Frequency Conversion Mode Start-Up Procedures - Delta Modulon DPH series User Manual

UPS-1.1
Power Flow
Power Flow
Summary
System Status

6.2.6 Frequency Conversion 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.
Modulon DPH Series
MEASUREMENT SETUP
POWER FLOW
Maintenance
Bypass
Bypass
Mains
90 %
5 mins
(Figure 6-26: ECO Mode Screen)
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.
MAINTENANCE LOG IN EVENT LOG
Administrator
6-22
10:15
May 25,2018
ECO
Load
30 %