Copeland Compressor 4DA3A101E-TSK-200

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.

08/14/2020

How to distinguish the quality of central air conditioning installation materials

First of all, we need to know what are the necessary installation materials for central air conditioning installation? There are mainly 4 kinds of installation materials necessary for central air conditioning installation:

08/13/2020

Reasons for vibration of inlet and outlet pipes of reciprocating compressor

During the air load test of the carbon dioxide compressor, the pipeline between the third-stage outlet buffer and the third-stage cooler, the pipeline between the fourth-stage outlet buffer and the fourth-stage cooler,

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.

07/07/2020

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

01/05/2023

Tips for Solenoid Coil Winding

The solenoid coil is a device that uses the principle of electromagnetic induction to work. When a current flows through a wire, a certain electromagnetic field is generated around the wire. It is regularly wound.

07/27/2020

What's the matter with the air conditioner cooling and not heating? How to buy refrigeration and air conditioning?

This way, whether it is in winter or summer, it can be used in the past, but many people have found that the cooling effect of the current air conditioner is better, but the heating effect is indeed poor, so what about the air conditioner cooling without heating? People should master this, and they should also know how to choose refrigeration and air conditioning.

06/21/2022

What is a Transformer?

A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.

06/21/2020

Common faults and maintenance of air compressor

Common faults and maintenance of air compressor <img src="{{media url=&quot;Common_faults_and_maintenance_of_air_compressor.jpg&quot;}}" alt="" /> Common faults and maintenance of air compressor 　　 Air compressors are widely used in various industries with the development of technology, but no matter what type of air compressor, there will be some problems in the process of use. The following editors will now introduce some common faults and maintenance methods, let's take a look.

11/17/2023

How Does the PWM Achieve Fan Speed Regulation? What Does Each Wire of the CPU Fan Mean?

No matter if it is a desktop computer or a notebook computer, they all have fans. The fan plays the role of heat dissipation.