Huawei UPS2000-A-6KTTS-S - Page 109

UPS2000-A-(6 kVA-10 kVA)
User Manual
5 Operations
Issue 05 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
102
Figure 5-41 Connecting maintenance bypass cables
(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
(7) Maintenance bypass circuit
breaker of the parallel system
(8) Circuit breaker of
battery string 1
(9) Circuit breaker of
battery string 2
Context
Before performing the following steps, check that the maintenance bypass of the parallel
system power supply works properly. If the maintenance bypass is abnormal, the system may
be powered off.