MICREL IC Integrated Circuit Chip MIC4429YN

07/17/2020

Empty and replace the expansion valve after servicing the refrigeration system

Let's introduce the operation process when replacing the expansion valve in the refrigeration system. In the system, when the low pressure of the system is under pressure control, short-circuit the controller before venting the system to prevent the system from jumping during vacuum.

09/02/2020

Compressor innovation is imperative

Since the second quarter of this year, the overall performance of the compressor market has been slightly inferior to the same period last year. However, positive growth is still the main theme of the industry,

09/07/2020

What happens if the air compressor uses three filters and one oil for an extended period of time

The "three filters and one oil" of the air compressor have a specified service life, which is generally replaced after 2000 hours of use. If you continue to use it beyond the service period, it will bring a lot of harm to the normal operation of the air compressor,

10/18/2024

Automobile Knowledge: What Are VVT, CVVT, DVVT, VVT-i, and VVT-iW?

VVT, CVVT, DVVT, VVT-i, and VVT-iW are often seen on many automobile engines. What do these logos mean? These logos reflect some of the unique technologies of automobile engines.

09/06/2021

Why is Your Car AC Starting and Stopping Frequently?

Many car owners are puzzled to find their air conditioners starting frequently while driving. In fact, the normal start and stop period of the air conditioner

08/20/2020

Methods of handling sudden failures of precision air conditioners

1. Leakage treatment steps for precision air conditioning units 　　Leak handling operation precautions: Never destroy the vacuum artificially. If it is not certain that the unit has indeed leaked air into the unit, operation cannot be performed.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/25/2020

Advantages and disadvantages of Hitachi central air conditioning

At present, the central air-conditioning of the refrigerant system is still the best done by Japanese brands. When it comes to Japanese central air-conditioning, one has to say that Hitachi, one of the Japanese air-conditioning BOSS, is a well-known international central air-conditioning brand. Most air conditioners now use scroll compressors as the core of power, and the world’s first scroll machine for air conditioning was manufactured by Hitachi in 1983.

07/13/2020

Two products support half of Danfoss refrigeration business

Danfoss commercial compressor nameplate changes Danfoss piston compressors and scroll compressors have adopted a new nameplate since December 2015. At the same time, the compressor product brand and brand logo have also been adjusted.

09/08/2020

Selection of adsorbent for adsorption dryer

The choice of adsorbent is not only a cost issue, but first of all, it is related to the efficiency of the adsorption dryer. In most cases, high-priced molecular sieves should not be the first choice adsorbent-although it has very good low water pressure adsorption characteristics.