NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 5-1 Removing a water pan filter
5.1.3 Quarterly Maintenance
Table 5-3 lists quarterly maintenance items for the indoor unit.
Table 5-3 Quarterly maintenance checklist
Item (Monthly
Maintenance)
Export air conditioner logs,
alarms, temperature, and
humidity, as well as the
operating status and time of the
compressor, fan, electric
heater, electric humidifier, and
water 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.)
Rectify the fault or contact Huawei
technical support.
Start the indoor unit. Choose
Maint > Diagnostic Mode >
Enter on the main screen, and
set the humidifier to a certain
value.
If no water is supplied, check the cable
connection or replace the water inlet
solenoid valve.
If no water is supplied to the wet film
humidifier, check the cable connection
to the water pump or replace the
humidifier pump.
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