Fuji VFD Frequency Converter FRN220F1L/D-4A512

11/10/2022

3 Common Expansion Valve Failures and the Solutions

The most common failures in the use of expansion valves are valve blockage, frosting, ice blockage and oil blockage.

09/06/2024

Types of Central ACs and Introduction to Their 18 Components (Part 2)

The function of the evaporator is to use the principle that the liquid low-temperature refrigerant evaporates easily under low pressure, turns into steam and absorbs the heat of the cooled medium to achieve the purpose of refrigeration.

02/12/2025

Troubleshooting Guide: AC Fan Not Spinning

When the scorching heat of summer rolls around, your air conditioning unit becomes your best friend. It provides the much-needed relief from the sweltering temperatures.

08/21/2020

What to do in case of a trip Improper use of air conditioner can cause disaster

As soon as the air conditioner is turned on, the switch of this appliance immediately goes off. What is going on? Is there a problem with the wiring at home or the air conditioner?

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/20/2020

How does a refrigeration compressor work? Introduction to the working principle of a refrigeration compressor【Detailed explanation】

Refrigeration compressors are devices that are often used in our industrial industry and in life, such as air conditioners, refrigerators, etc., all have a refrigeration function. Traditional refrigeration equipment must be equipped with a refrigeration compressor, and the quality of the refrigeration function is concerned with refrigeration The quality of the compressor, so we must understand the performance of the refrigerator when we buy refrigeration products. Let's take a look at the specific content of the refrigerator.

08/20/2020

How to extend the life of commercial central air conditioners

Nowadays, buyers of commercial central air conditioners are increasing day by day. Many people find that the service life of commercial central air conditioners is greatly reduced after purchasing.

08/20/2020

Air-conditioning repair book Three nirvana tricks that can't be charged by the regular army

Summer is the peak season for air-conditioning to be turned on. After frequent use, the air-conditioning in some consumers’ homes will fail, and when a small partner is in a hurry, they will “see the doctor in a hurry”.

08/04/2020

The advantages and disadvantages of the fluorine system and the water system are compared!

The advantages and disadvantages of the fluorine system and the water system are compared! Central air-conditioning is mainly divided into two categories: fluorine system and water system, both of which are connected to multiple indoor units by one outdoor unit,

08/14/2025

Refrigeration Compressor Troubleshooting Guide: Common Issues and Solutions

Refrigeration compressors are essential components of any refrigeration system. They are responsible for compressing refrigerant gas, which then travels through the system to cool and freeze various products, including food, medicine, and other perishable items.