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FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
3 Maintenance
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
Maintenance Item Operation
Check Standard
Troubleshooting
Humidifier drainage
of the 20 kW
air-cooled precision
air conditioner
Flip the manual
drainage button of
the humidifier to I:
humidifier manual
drainage.
If the water level in
the humidifier
cylinder drops
continuously, the
drainage is normal.
If the drainage is
abnormal:
If the drainage
solenoid valve
cannot be
opened, check
whether the
solenoid valve
control circuit is
normal. If the
control circuit is
normal, replace
the solenoid
valve by
following
instructions in
documents
delivered with
the air
conditioner.
If the drainpipe
is blocked, clean
the drainpipe.
If the humidifier
cylinder is dirty
and the water
level inside the
cylinder is above
4/5, replace the
humidifier
cylinder by
following
instructions in
NetCol5000-A 20
kW Air-Cooled
In-Row Precision
Air Conditioner
User Manual
.