Danfoss Compressor SZ147A4YU

07/17/2020

The operation of central air conditioning system and the harm of scale to the system

As we all know, any water filtration machine we use will produce scales, such as drinking fountains. When scales form in the system during long-term use, it will cause great harm to the system itself. The central air conditioner is no exception.

07/20/2023

What is a Water Source Heat Pump (with Water Source Heat Pump Diagram)

A water source heat pump (WSHP) is an HVAC system that uses the natural heat in water to provide heating, cooling, and hot water for commercial and residential buildings.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

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

03/28/2025

Comparison of advantages and disadvantages of dry evaporator and flooded evaporator

The refrigerant of the dry expansion evaporator evaporates in the tube. The superheat at the outlet end of the evaporator is usually about 5 to 10K. The expansion valve uses the superheat detected by the temperature sensor to adjust the refrigerant flow r碌7館2䀀締眪湠眷V

07/29/2020

Refrigerant filling

After the leak test of the refrigeration system is completed, it should be filled with refrigerant. However, the Freon refrigeration system must be vacuum dried before being filled with refrigerant. When the drying is not complete, the refrigerant cannot be filled.

01/08/2021

How Air Conditioners Work

Air conditioners use refrigeration to chill indoor air, taking advantage of a remarkable physical law: When a liquid converts to a gas (in a process called phase conversion), it absorbs heat. Air conditioners exploit this feature of phase conversion by fo器2䀀
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04/05/2024

Analysis and Solutions to AC Servo Motor Vibration Faults

AC servo motors are used in closed environments and are usually not easily damaged. But if the AC servo motor has vibration failure, what is the reason?

01/15/2021

dafoss low-pressure

Differential setting on low pressure control too low. Solution: Area Low pressure System Part Compressor Symptom Compressor running time too short Potential Cause Differential setting on low pressure contol too low. Solution Increase the differ器2䀀

10/13/2025

9 Types of Fan Bearing Comparison: How to Have Both Quietness and Longevity?

Quietness and longevity have always been two very important performance parameters in the PC heat dissipation field, and the fan can be said to be the biggest source of noise inside the entire computer case.