Huawei UPS5000-H-400 kVA User Manual page 148

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Module)
2.
Step 6 Turn off the mains and bypass input switches for the new UPS.
Step 7 Connect an inter-rack parallel cable for the new UPS.
Step 8 Power on the new UPS. For details, see
Step 9 If the Inconsistent parallel param. alarm is generated, choose System Info >
Settings on the LCD of the original system and tap Parameter Sync to
synchronize parameters between UPSs in the parallel system.
Step 10 If the PDC output breaker open alarm is generated in the system, choose System
Info > Alarms on the LCD and tap Clear Faults to clear the alarm.
Step 11 Turn on the external output switch of the new UPS to connect the UPS to the
parallel system. The new UPS has no output.
Step 12 If there are multiple new UPSs, repeat the preceding steps to add the UPSs to the
parallel system.
Step 13 Turn on the battery switches for the new UPSs (if there are multiple battery
strings, turn on the switch for each battery string and then the general switch
between battery strings and the UPSs).
Issue 02 (2021-04-22)
Item Setting
Requisite UPSs Sets it based on
the actual
number of UPSs.
Redundant Sets it based on
UPSs the actual
number of UPSs.
Battery Settings: On the LCD, choose System Info > Settings > Battery
Settings. On the WebUI, choose Monitoring > Battery System > Running
Parameter > Battery Settings.
Table 8-6 Battery Settings
Item
Battery string sharing
NO TE
The system may generate alarms such as Rack quantity mismatch, Insufficient
redundant racks, and Inter-rack par. cable alarm. The alarms are automatically cleared 1
minute after you connect all parallel cables.
NO TE
● The length of the parallel cable between two UPSs depends on the onsite environment.
● Route cables between the two UPSs through the busway between racks. If there is no
busway, route the cables along the routes of the EPO, ECC800, and dry contact signal
cables.
● If two racks are far away from each other, prepare a longer parallel cable.
Copyright © Huawei Technologies Co., Ltd.
8 Parallel System Commissioning
Description
In a parallel system, the two
parameters must be set to the same
values for all UPSs.
Setting
Set this parameter as required.
7.1.1 Powering On the UPS.
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