UPS2000-A-(6 kVA-10 kVA)
User Manual
Copyright © Huawei Technologies Co., Ltd.
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.
Install two parallel cables for a 1+1 parallel system.
Install parallel cables in the shape of a ring.
Figure 3-22 Connecting parallel cables to a 1+1 parallel system
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3.3.4 Connecting Cables to Parallel UPSs (Professional Version
with Long Backup Time)
Procedure
Step 1 Switch off the AC input circuit breaker at the rear of each UPS in the parallel system, the
upstream AC circuit breaker of each UPS, and the battery circuit breaker of each UPS.
Step 2 Remove the AC input, AC output and battery wiring cover from each UPS in the parallel
system.
Step 3 Install AC output power cables, and AC input power cables in sequence for each UPS in the
parallel system, as shown in Figure 3-23.
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