NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
5 System Operation and Maintenance
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
79
During component replacement, do not lean any material against the cabinet.
5.1.2 Preventive Maintenance Tables
Monthly Preventive Maintenance Table
Table 5-1
Monthly preventive maintenance table
Maintenance Item
Expected Result
Troubleshooting
Return air filter
Check that the return air filter is clean and
not blocked.
Clean the air filter with water
(recommended).
Check that the return air filter is not
damaged or distorted.
If it is damaged, replace the air filter.
Wet film humidifier
Check that the valve on the water inlet
pipe is open.
Open the valve on the water inlet pipe.
Check that the water pan filter is clean
and not blocked.
Clean it with water.
Check that the humidifier float has no
scale.
Clean up the scale from the humidifier
float.
Check that the wet film is clean and have
no scale.
If there is much water scale, replace the
wet film humidifier.
Check that no operating overtime alarm is
generated for the humidifier.
Replace the wet film humidifier.
Refrigerant pipe and
water pipe
Check that the refrigerant pipe is free of
oil stains and rust.
Check for leakage and repair the pipe.
Check that the water pipe is tightened and
free of water leakage.
Check for leakage and repair the pipe,
or reconnect the pipe.
The thermal insulation foam is intact.
Wrap the thermal insulation foam again.
Quarterly Preventive Maintenance Table
Table 5-2
Quarterly preventive maintenance table (on the basis of monthly preventive maintenance)
Maintenance Item
Expected Result
Troubleshooting
Indoor fan
Check that the operating indoor fan
generates no abnormal noise.
Replace the fan component if it is
damaged.
Check that the screws on the indoor fan
are not loose or distorted.
Tighten loose screws.
Compressor
Check that the compressor is secured.
Tighten screws if the compressor is not
secured.
Check that the operating compressor
Replace the compressor.