Danaher Servo Motor R8AFENA-R4-NS-NV-02

06/21/2020

Electronic expansion valve application and installation precautions

Electronic expansion valve application and installation precautions <img src="{{media url=&quot;wysiwyg/Electronic_expansion_valve_application_and_installation_precautions.png&quot;}}" alt="" /> Advantages of electronic expansion valve: The energy efficiency ratio is improved during high-frequency and low-frequency operation; the reliability of the compressor is improved, the conditions of oil return, liquid return, and exhaust temperature are too high; the operation of the whole machine is reliable, and the problems of water blowing, condensation, and overload are reduced. ; Increased adaptability to changes in refrigerant quantity; Enhanced comfort, short defrost time;

11/17/2022

What is an Axial Fan?

Axial fans, also called axial flow fans, are very versatile and produce airflow in the same direction as the axis of the fan blades.

06/29/2020

How the compressor works

08/08/2020

Four methods to detect air conditioner noise

Four methods to detect air conditioner noise Air-conditioning noise is the noise generated by the air-conditioning system when it is working, including the noise generated by the fan escaping into the room, and the regeneration noise at the end of the air–ﰨ2

07/23/2020

Analysis of common failure causes of hermetic refrigeration compressors

1. How to identify the 3 terminals on the casing of a hermetic compressor?<br></br> The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.<br></br>

08/11/2020

The name of each part of the cold storage

Compressor: It acts to compress and drive the refrigerant in the refrigerant circuit. The compressor extracts the refrigerant from the low-pressure zone, compresses it, and sends it to the high-pressure zone for cooling and condensation.

06/14/2020

Causes and removal methods of frost in cold storage evaporator

The frost formation of the cold storage refrigeration evaporator should be comprehensively analyzed from various aspects. The design of the evaporator, the evaporator spacing between the fins, and the piping arrangement should be optimized as a whole. The器2䀀
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07/25/2024

Heat Pump Reversing Valve Structure, Working Principle and Troubleshooting

The heat pump reversing valve (HVAC reversing valve) is mainly used in heat pumps. Since there are mainly four pipes connected to it in structure, it is often called a four-way reversing valve.

09/14/2020

Synthetic refrigerating oil for R22 screw machine: CP-4214-85, CP-4214-150, CP-4214-320, CP-4214-100

SOLEST series synthetic refrigerating oil: SOLEST LT-32, SOLEST 46, SOLETS 68, SOLEST 120, SOLEST 170, SOLEST 220, SOLEST 370, CP-2931AH, CP-2931A　 Refrigeration oil: CP-1008-68, CP-1009-68, CP-1516-100, CP-1516-150, CP-4600-68, CP-4600-100, CP-4700-32, CP-4700-68 , CP-4700-100　

09/07/2020

How to save energy for permanent magnet variable frequency air compressor

In today's air compressor market, the majority of manufacturers and users pursue energy saving. For screw air compressors, the energy-saving type can be divided into two types: ordinary frequency conversion series and permanent magnet frequency conversion series.