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FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Item
35 kW
air-cooled
precision
air
conditioner
Issue 02 (2017-01-10)
Method
Expected
Result
stains.
Listen to the
No abnormal
compressor
noise is
operating sound.
generated.
Check the
No foreign
evaporator.
matter exists
on the
evaporator
surface.
Check the
The refrigerant
refrigerant pipe.
pipe does not
leak, is not
corroded, and
is properly
wrapped with
thermal
insulation
foam.
The refrigerant
pipe support is
secure and
intact.
Check air filters.
No dust is
accumulated
on air filters.
The air filters
are not
damaged or
misshapen.
Listen to the
The
compressor
compressor
operating sound.
generates no
abnormal
sound, such as
metal friction
sound.
Start the air
The oil level is
conditioner and
steadily above
observe the oil
the 1/3 line in
sight glass.
the oil sight
glass, and the
glass is not
covered by
dense white
bubbles.
Check the interior
The interior is
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Routine Maintenance
Troubleshooting
Replace the faulty compressor by
following instructions in the air
conditioner user manual.
Remove foreign matter.
Repair the refrigerant pipe and wrap
thermal insulation foam.
Replace the support and tighten the
new support by following
instructions in the air conditioner
user manual.
Clean dust from the air filters using
a brush or vacuum cleaner.
Replace by following instructions in
6.2.3 Replacing Air Filters for a 35
kW Air-Cooled Precision Air
Conditioner.
1. Gently shake the compressor and
touch the four anchor bolts to
check whether they are loose. If
they are loose, tighten them
using a 13# solid wrench.
2. If the problem persists, contact
Huawei technical support.
Add refrigerant oil. Contact Huawei
technical support.
Replace the faulty humidifier
25
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