Delta Modulon DPH series User Manual page 134

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Modulon DPH Series
Single Input:
Switch ON 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 ON 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 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 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.
2. Each parallel communication card's LED indicator will illuminate red first and
then 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.
For the locations of parallel communication cards, auxiliary power cards, power
modules and associated LED indicators, please refer to Figure 6-1.
The LCD initial screen (see Figure 6-17) will appear within 40 seconds after
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) are turned
on.
(Figure 6-17 : LCD Initial Screen)
6-16