Delta Modulon DPH series, Руководство пользователя

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6 UPS Operation
7
When the UPS performs DC BUS discharging, each power module’s LED indicator
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8
About three minutes later, the UPS will shut down, and the LCD and the tri-color
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9
Switch OFF every external battery cabinet’s breaker (Q5).
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From Manual Bypass Mode to Online Mode
WARNING:
1. For parallel units, please follow 6.2.3 Bypass Mode Start-up Procedures
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normally, follow the procedures below step by step.
2. For parallel units, ensure that every operation procedure mentioned below
is synchronized to all parallel UPSs.
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parallel ones, please contact service personnel.
1
Switch ON every external battery cabinet’s breaker (Q5).
2
Switch ON the Input Breaker (Q1), Bypass Breaker (Q2) and Output Breaker (Q4).
3
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
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) The parallel communication card’s LED indicator will illuminate red first
and then 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 , the card’s LED indicator will illuminate red first and
then the card will start 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 .
For the locations of the parallel communication card, auxiliary power cards, power
modules and associated LED indicators, please refer to
Figure 6-1 .