Green Mode Start-Up Procedures - Delta Modulon DPH Series User Manual

6.2.7 Green Mode Start-up Procedures

1
Ensure that the Manual Bypass Breaker (Q2) is in the OFF position.
2
Switch ON every external battery cabinet's breaker.
3
Switch ON the Input/ Bypass Breaker (Q1) and Output Breaker (Q3).
4
After you switch ON the Input/ Bypass Breaker (Q1), 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.
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.
Please refer to Figure 6-1 for the relevant LED indicator location.
5
The LCD initial screen (see Figure 6-33) will appear within 40 seconds after the Input/
Bypass Breaker (Q1) is turned on.
6
After 20 seconds of LCD initialization, the LCD will enter the Main Screen. For the
Main Screen information, please refer to 7.6 Main Screen.
Now, each power module keeps running and its LED indicator remains green. After
each power module finishes establishing DC BUS voltage, the charger will start to
charge the batteries.
(Figure 6-33: LCD Initial Screen)
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6 UPS Operation