Quarterly Maintenance - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Task
Indoor fan
and
exhaust
fan
Heat
exchanger
core
Pump

6.2.2 Quarterly Maintenance

Table 6-3 Quarterly maintenance checklist
Compo
nent
Monitor
ing
Issue 06 (2020-08-19)
Baseline Requirement
The indoor fan and exhaust
fan guards are not deformed,
and the fan blades are not
damaged.
The indoor fan and exhaust
fan run smoothly.
The screws on the indoor fan
and exhaust fan are not
loose or distorted.
Check whether the heat
exchanger core is damaged.
Check whether the heat
exchanger core has scale.
Check whether the water
pump is rusted.
Item (Monthly Maintenance)
Export smart cooling product logs,
alarms, temperature, and humidity, as
well as the operating status and time
of the compressor, fan, spray system,
and spray pump from the monitoring
system. View the historical alarms
generated in this quarter and select the
most common five ones. (If no
monitoring system is available, skip this
item.)
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
Replace the fan.
Take out the foreign matter.
Tighten the screws using a 10#
socket wrench.
If the heat exchanger core is
seriously damaged, replace it.
Clean the heat exchanger core.
(When checking the heat
exchanger core on the upper layer,
enter the compressor
compartment, push the upper door
to the upper layer, and enter the
upper layer.)
Remove the rust.
Troubleshooting
Rectify the fault or contact
Huawei technical support.
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