NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
6 System Operation and Maintenance
Copyright © Huawei Technologies Co., Ltd.
Compressor Oil Level
You can view the refrigerant oil status from the oil sight glass of the compressor. Figure 5-6
shows the normal and abnormal refrigerant oil states.
Water Sensor
When the pair of terminals of the water sensor detect water or other conductive liquid,
resistance between the two terminals decreases. During the maintenance, check that the two
detection terminals, as shown in Figure 6-2, are free from corrosion, foreign matter, and
connection in between.
Figure 6-2 Water sensor detection terminals
6.2.5 Quarterly Maintenance
Table 6-4 lists quarterly maintenance items for the indoor unit.
Table 6-4 Quarterly maintenance checklist
Item (on the Basis of Monthly
Maintenance)
Export smart cooling product
logs, alarms, temperatures,
humidity, the operating status of
the compressor, fan, electric
heater, electric humidifier, and
water pump, and time 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.
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