Huawei FusionModule1000A Commissioning Manual page 33

FusionModule1000A40 Prefabricated All-in-One Data
Center
Commissioning Guide
System
Cooling system
Issue 02 (2019-12-20)
Check Item Operation Method

Phase sequence Verify that the L1, L2,
of indoor and L3, N, and PE wires are
outdoor unit connected for the indoor
cables and outdoor units in the
correct phase sequence
using a phase sequence
meter.
Water refill for Check whether the water
the smart refill valve is open, and
cooling product whether the water refill
humidifier pressure meets the
requirement.
Outdoor unit air Check the outdoor unit
intake and air intake and exhaust
exhaust vents vents.
Smart cooling Check the smart cooling
product product compressor.
compressor
pads
Liquid level Check the liquid level
detector detector fastener.
fastener
Smart cooling Check the connection of
product smart cooling product
teamwork and teamwork and signal
signal cables cables.
Smart cooling Check the pipe
product pipe connections for the
connection air-cooled precision
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cell voltage using a
multimeter.
Measure the battery
string voltage using a
multimeter.
5 Check Before Power-On
Reference
the design
requirements and
installed securely.
Battery electrodes are
correctly connected.
 The voltage is within
the rated voltage
range of batteries.
The battery string
voltage equals the
single battery voltage
multiplied by the
number of batteries.
 The voltage
measurement result
meets the requirement
of system power
backup.
The phase sequence is
correct.
The water refill valve is
open, and the water refill
pressure is 0.1–0.7 MPa.
Outdoor unit air intake
and exhaust vents are not
blocked.
All smart cooling product
compressor pads are
removed.
The liquid level detector
fastener has been
removed.
Cables are securely
connected and meet the
design requirements.
The refrigerant
circulation pipeline,
humidifier water refill
pipeline, and condensate
26