Huawei FusionPower6000 Maintenance Manual page 95

FusionPower6000
Maintenance Guide
Figure 7-13 Control cable connections in a parallel system of four UPSs (example)
Step 3 Power on the parallel system.
1.
2.
3.
If the input power is normal, the rectifier starts automatically. The MDU starts and
displays the progress bar. Wait until the MDU starts properly.
Step 4 Check that the software versions of all UPSs are consistent.
On the LCD of each UPS, choose System Info > About > Version Info and check
whether all software versions are consistent. If not, update all software versions to
be consistent.
Step 5 Set parallel parameters for each UPS.
1.
Issue 02 (2022-07-18)
Turn off the external output power switch for each UPS to ensure that the
UPS outputs are independent of each other.
For the UPS5000-H-1000 kVA, UPS5000-H-1200 kVA, and UPS5000-H-1600
kVA, switch on the input SPD circuit breaker.
Turn on the general bypass and mains input switches.
NO TE
If the input SPD circuit breaker is not switched on, the system can start properly, but an
Input surge arrester alarm will be reported.
System Settings: On the LCD, choose System Info > Settings > System
Settings. On the WebUI, choose Monitoring > UPS System > Running
Parameter > System Settings.
Table 7-3 System settings
Item Setting
Single/Parallel Parallel
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