Huawei FusionModule1000A20 Commissioning Manual page 42

FusionModule1000A20 Prefabricated All-in-One
Data Center
Commissioning Guide
Syste
m
Issue 03 (2022-12-15)
Check Operation Method
Item
Circuit ● Verify the circuit breaker
breaker labels by referring to the
status power supply and
distribution system
diagram.
● Verify that circuit breakers
can be smoothly switched
on and off.
● Check the circuit breaker
status.
Phase Verify that the phase
sequen sequences of the upstream
ce and downstream power
distribution devices of the
FusionModule1000 are
consistent using a phase
sequence meter.
Voltage Measure the voltage at the
ATS input end using a
multimeter.
Freque Measure the frequency at the
ncy ATS input end using a
multimeter.
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 Checking Before Power-On
Standards Compliance
● Circuit breaker labels are
correct, clear, complete,
and attached properly.
● Ensure that all load
circuit breakers are
reliable and controllable.
● All PDF, PDB, and PDU
circuit breakers are in
the OFF state, and all
SPD circuit breakers are
in the ON state.
The phase sequences are
consistent.
● Voltage range for the
208 V scenario: 187–229
V
● Voltage range for the
380 V scenario: 342–418
V
● Frequency range for the
50 Hz scenario: 49–51
Hz
● Frequency range for the
60 Hz scenario: 59–61
Hz
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