Danfoss Compressor SM148A4PAM

07/14/2025

Refrigeration Compressor Frosting Reasons & Solutions

When we use the refrigeration compressor, there could be frosting. It’s a failure that we can solve.

07/23/2020

R410a and R22 refrigerant comparison application and installation specifications

1.Introduction to the properties of R410a refrigerant<br></br> 1. R410a is a HFCs refrigerant mixed with two working fluids of R32 and R125 at a mass fraction of 50% and 50%. It is a near-azeotropic mixture (pseudo-azeotrope), and its thermal performance is close to a single working fluid.

02/09/2023

What is a Blend Door Actuator?

Blend door actuators, also known as Heating, Ventilation, and Air Conditioning (HVAC) actuators, control the position of the vents and the air flowing into the passenger area of the vehicle.

03/17/2021

Several common faults in the spindle drive system of CNC machine tools and how to repair it?

When the vertical machining center supporting FANUC6 system is working, the machine tool vibrated severely, and the AC spindle drive displayed AL-04 alarm. During the vertical machining center supporting FANUC6 system is working, the machine tool vibrates severely, and the AC spindle drive displays AL-04 alarm.

06/29/2020

What is the cause of compressor pipeline vibration

06/24/2020

Why is the air conditioner not cooling

1.Check whether the compressor is working normally. If the compressor is broken, the air conditioner cannot start normally and there will be no cooling effect. 2. There is not enough refrigerant in the air conditioner. At this time, you need to add Freon, and the time for adding Freon can be very long. 3. The air conditioner itself has quality problems and the electrical components have failed. In this case, you need to find a master to repair it.

06/24/2020

What is the problem with the poor cooling effect of the air conditioner

In the hot summer, I believe that many people can not do without air conditioning, air conditioning can allow us to spend this summer in a cool environment. However, in the process of using air conditioners, I believe that many people have encountered a situation where the cooling effect of the air conditioner is not good, so why is the cooling effect of the air conditioner not good? What needs to be solved.

08/17/2020

Why is the meter still running after the air conditioner is shut down

In the process of using home appliances, friends will always encounter some weird problems more or less. For example, the air conditioner makes strange noises, the soymilk machine suddenly stops turning, and so on

08/07/2020

Several factors representing the normal operation of cold storage

Several factors representing the normal operation of cold storage<br></br> 1. After the cold storage construction compressor is started, it should run smoothly without noise, and the protection and control components should work normally.

07/30/2020

11 common problems with refrigeration compressors, do you know these?

Impurities entering the friction surface of the moving parts of the compressor pump body will cause abnormal scratches and wear. Impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the refrigerator system will block the valve hole or make the valve close tightly. And fail.