Danfoss Compressor SY240A4YQ

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/01/2021

What is VFD?

A VFD (Variable-frequency Drive, frequency converter) is a power control device that uses frequency conversion technology

09/11/2020

Chinese air-conditioning anchored new coordinates for industrial upgrading

Haier "zero distance" customization accelerates the restructuring of the air-conditioning industry The implementation of the new energy efficiency standards is imminent, and the air-conditioning industry may usher in a new inflection point.

08/11/2020

The temperature status and faults of the unit components of various commercial central air-conditioning systems

When the commercial central air-conditioning system is overhauled, temperature inspection and testing are very important, because the unit components of the entire central air-conditioning system have a normal temperature range, beyond which it is an abnormal state.

08/24/2020

What to do if the air conditioner protection light is flashing and not cooling

In the entire home repair industry, what can quickly arouse the attention of users is the previous TV repair, and the current air conditioning repair is also one.

08/13/2020

Will the air conditioner ignite spontaneously Expert of the Department of Fire Engineering More than ten reasons can cause spontaneous combustion

Recently, a well-known media person suffocated to death due to spontaneous combustion of air conditioners and released a large amount of poisonous gas. As the summer heats up, "air conditioning spontaneous combustion" has quickly become a hot spot for thePﰨ2䀀

08/12/2020

Reasons for the increase in condenser pressure in cold storage projects

The role of the cold storage is to ensure the quality of the stored items. With the country’s support for the construction of cold storage, cold storage projects have appeared in more places,

07/05/2020

Hitachi 101 cold storage compressor

Hitachi 101 cold storage compressor The role of the compressor in the air conditioning system From the current development trend of refrigeration compressors, in order to make it compact, efficient, energy-saving and low-vibration and low-noise, it has become the goal that air-conditioning compressors continue to pursue in manufacturing technology.

12/19/2024

Mitsubishi Servo Drive Fault Codes and Troubleshooting Methods

Mitsubishi servo system consists of servo motor, controller, and servo drive (also called servo amplifier), mainly including MR-J2S series, MR-J series, MR-H series, MR-C series, MR-J2 series, MR-J2S series, MR-E series, MR-J3 series, MR-ES series, MR-JE series, MR-J4 series, etc.

07/11/2020

Screw compressor principle and structure

Screw compressor principle and structure content Screw compressor characteristics Screw compression principle DXS compressor structure Application of DXS compressor in YCWS unit Screw compressor characteristics