Danfoss Compressor SH535B3ABY

09/11/2020

Comparison of ball bearings and roller bearings

Comparison of ball bearings and roller bearings From the point of view of the contact with the raceway: Ball bearings are in point contact, and the contact surface is ellipsoid; while roller bearings are in line contact, and when force is applied, the contact surface is square.

08/14/2020

How to flush reciprocating compressor with refrigerant oil

After the refrigeration equipment and its compressor are used for a period of time, the added refrigerating oil will be naturally lost during the operation of the equipment.

09/18/2020

The advantages of Copeland compressors are as follows

Copeland compressor has a solid cast iron body, provides a large heat dissipation area to improve the cooling effect of air-conditioning compressors, and uses lightweight aluminum pistons to reduce friction and vibration. The intelligent electronic protection film block can provide comprehensive motor protection. Super high energy efficiency:

08/02/2020

How to judge the presence of air in the air conditioner

In the refrigeration system, the non-condensable gases are mainly nitrogen, oxygen, hydrogen and water vapor in the air; because these working fluids do not condense with the refrigerant, they generally gather in the condenser or the liquid reservoir.

09/10/2020

Types and characteristics of air compressors and their application choices

Air compressor (English: aircompressor) is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy, and is a pressure generating device for compressed air.

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes. At least one four-way reversing valve is added inside the unit,

02/10/2021

How to choose post-processing equipment for screw air compressors

During the operation of the screw air compressor, post-processing equipment is indispensable. Without post-processing equipment, it is not a complete screw air compressor system. The air compressor post-processing equipment includes: refrigeration dryer, air storage tank, filter For different screw air compressor models, the specifications of post-processing equipment are different.

07/05/2020

Hitachi Air Energy Heat Pump Compressor

Hitachi Air Energy Heat Pump Compressor The compressor does not start and has nothing to do with the four-way valve coil heating mode Why can't the compressor of the four-way valve of the air conditioner start up after changing the heating mode? The compressor does not start and has nothing to do with the four-way valve coil heating mode.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/16/2020

Ceramic circuit board is the best shortcut to solve the lack of heat dissipation of cooling fins

Although the air-conditioning industry is facing adjustments, the demand for central air-conditioning and refrigerator industries from commercial buildings, public buildings and large villas is still in a growth period.