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

6.2.6 Frequency Conversion Mode Start-up Procedures

1
Ensure that the Manual Bypass Breaker (Q3) is in the OFF position.
2
Switch ON every external battery cabinet's breaker (Q5).
3
Switch ON the Input Breaker (Q1), Bypass Breaker (Q2) and Output Breaker (Q4).
4
After you switch on the Input Breaker (Q1) and Bypass Breaker (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
For the locations of the parallel communication card, auxiliary power cards, power
modules and associated LED indicators, please refer to Figure 6-1.
Modulon DPH Series
WARNING:
1. Frequency Conversion mode is only applicable to single UPS but not to parallel
UPSs.
2. When the UPS runs in Frequency Conversion mode, once the inverter becomes
power module will start establishing DC BUS voltage and each power module's
LED indicator will illuminate green.
the card will start initialization. After initialization, the parallel communication
card's LED indicator will illuminate green.
NOTE:
If you purchase an additional parallel communication card (optional) and
install it in the parallel communication card slot shown in Figure 4-12,
initialization. After initialization, the parallel communication card's LED
indicator will illuminate yellow. For more information, please refer to 4.1.7
Parallel Communication Card.
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