UPS2000-A-(6 kVA-10 kVA) 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
 
 
For a single UPS, install a short-circuit bar between JP1 and JP2. For a parallel system, do 
not install it. When transferring from single mode to parallel mode, confirm that the 
short-circuit bar is removed. 
 
This section uses the 1+1 parallel system as an example to illustrate how to connect cables 
to a parallel system. Cable connections for other parallel systems are similar. 
Figure 3-23 Connecting cables to the UPS professional version with long backup time 
 
(1) AC input circuit 
breaker of UPS 1 
(2) AC input circuit breaker of 
UPS 2 
(3) AC output circuit breaker of 
UPS 1 
(4) AC output circuit 
breaker of UPS 2 
(5) General AC input circuit 
breaker of the parallel system 
(6) General AC output circuit 
breaker of the parallel system 
 
Step 4  Install battery cables to external battery strings or external battery boxes. The battery cable 
connection method for a single UPS and a parallel system is the same. 
Step 5  Reinstall the AC input, output, and battery wiring cover on the UPS. 
Step 6  Connect parallel cables, as shown in Figure 3-24.