FusionModule1000A40 Prefabricated All-in-One Data
Center
Commissioning Guide
5 Check Before Power-On
Issue 02 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
25
System
Check Item
Operation Method
Reference
Cables are securely
connected.
Power supply
and distribution
system
ATS status
Verify ATS settings and
remove the ATS handle.
The ATS handle has
been removed.
The motor operation
mechanism is set to
.
Power cable
insulation
Measure the insulation of
the power cables using
an insulation
megohmmeter.
There is no electricity
leakage in the power
supply and distribution
system.
Circuit breaker
status
Verify the circuit
breaker labels by
referring to the power
supply and
distribution system
diagram.
Verify that circuit
breakers can be
smoothly switched on
and off.
Check the circuit
breaker status.
Circuit breaker labels
are correct, clear,
complete, and
attached properly.
Ensure that all load
circuit breakers are
reliable and
controllable.
All PDC, PDB, and
PDU circuit breakers
are in the
OFF
state,
and all SPD circuit
breakers are in the
ON
state.
Phase sequence
Verify the phase
sequences of upstream
and downstream power
distribution devices of
the FusionModule1000
using a phase sequence
meter.
The phase sequences are
consistent.
Voltage
Measure the voltage at
the ATS input end using
a multimeter.
The voltage is in the
range of 342–418 V.
Frequency
Measure the frequency at
the ATS input end using
a multimeter.
Frequency range for
the 50 Hz scenario:
49–51 Hz
Frequency range for
the 60 Hz scenario:
59–61 Hz
Battery
Check the number of
batteries.
Check battery
connection.
Measure the battery
The batteries are
correct in quantity
and intact.
Batteries are
connected based on
