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 5-25 Connecting driver cables
Step 7 Install the air filter and close the rear door.
Step 8 Power on the NetCol5000-A, choose Maint > Diagnostic Mode > Enter on the home page,
start the compressor, and check that the compressor works properly and the NetCol5000-A
generates no alarms. Then exit the diagnostic mode.
----End
5.4.7 Replacing the Liquid Level Detector
Prerequisites
The liquid level detector needs to be replaced.
A spare liquid level detector of the same model is available and functional.
Tool: Phillips screwdriver
Context
A liquid level detector is composed of the conductor outer jacket, liquid level detector, switch,
and card pole. A liquid level detector rises or drops as the liquid level changes due to the
magnetism of the liquid level switch. The rise or drop causes the reed switch chip in the
specified position inside the sensor detection pipe to move, sending the contact on/off
conversion signal to control the liquid level detector.
The liquid level detector is maintained from the front door. Figure 5-26 shows a liquid level
detector.
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