NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
2 Product Description
Issue 01 (2014-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9
Check valve
Check valve are deployed on discharge pipes, preventing return of refrigerant at high
temperature, reducing pipe vibration.
Liquid solenoid valve
Liquid solenoid valves are opened and closed to ensure smooth liquid circulation and
prevent refrigerant migration or even liquid strike.
Air bypass solenoid valve
The air bypass solenoid valve bypasses part refrigerant out of the compressor to the inlet
of the evaporator to reduce refrigerant capacity and prevent frequent startup and
shutdown of the compressor.
Surge protection and filtering board
The surge protection and filtering board is used for surge protection and equipment
voltage detection, enhancing equipment security.
Electric heater
The PTC heater implements quick startup, large heating capacity, even heat dissipation,
and automatic heat capacity adjustment, providing multiple protection mechanisms.
Electrode humidifier
The electrode humidifier provides stepless adjustment of humidification capacity and
precise control of humidity in equipment room.
Controller
The 7-inch true color-sensitive LCD offers a user-friendly interface for you to perform
query, settings, monitoring, and maintenance.
2.3 Monitoring function
2.3.1 Controller
Appearance
The 7-inch true color-sensitive LCD offers a user-friendly interface for you to perform query,
settings, monitoring, and maintenance.
Figure 2-3
shows an LCD.