Delta Ultron DPM Series, Руководство пользователя

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6 - 4
Ultron DPM series
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If you perform turn-off procedures for single unit, all power will be completely cut off.
Please make sure the critical loads connected to the UPS have already been safely shut
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Parallel Units
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Pre Start-up Warnings for Parallel Units
1. You can parallel at maximum eight UPS units.
For 1000kW UPS, you can parallel at maximum 8 UPS system cabinets, and each
UPS system cabinet can connect to up to 3 power modules.
For 1250kW UPS, you can parallel at maximum 8 UPS system cabinets, and each
UPS system cabinet can connect to up to 4 power modules.
2. Make sure that all of switches and breakers, including every external battery
cabinet’s breaker (Q5), are turned to the OFF position.
3. With the provided parallel cable, UPSs with the same capacity, voltage, frequency
and version can be paralleled. For version information, please refer to 7.10.8
Version . Please only use the provided parallel cable to parallel the UPS units;
otherwise, parallel functions will fail.
4. For parallel units, ensure that each parallel cable (provided) is connected well.
5. Please set up each parallel UPS’s parallel switch. Please refer to 4.1.4 Parallel
Switch .
6. Check if the wiring is correct. Ensure that the AC power’s voltage, frequency, phase
and battery type meet the UPS’s requirements.
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' Parallel Group ID ' (1 or 2) and ' Parallel ID ' (1 ~ 8) through the LCD. Otherwise,
the parallel UPSs cannot be started. Please refer to 6.2.3 Bypass Mode Start-up
Procedures and 7.9.6 Parallel Setting .
8. For parallel units, ensure that every operation procedure is synchronized to all
parallel UPSs.
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ones, please contact service personnel.
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parallel units’ total capacity exceeds the total critical loads. If the remaining parallel
units’ total capacity is less than the total critical loads, all parallel units will shut down
due to overload.