Copeland Compressor 3DEH-075E-TFC-201

07/07/2020

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

06/25/2020

Classification of air-conditioning compressors

The air-conditioning compressor plays the role of compressing and driving the refrigerant in the air-conditioning refrigerant circuit. The working circuit is divided into an evaporation area (low pressure area) and a condensation area (high pressure area). The indoor unit and outdoor unit belong to the high-pressure or low-pressure area (depending on the working state), and the compressor is generally installed in the outdoor unit.

08/17/2020

Reasons and repair methods of screw damage of screw chiller

Screw chillers are named after the use of screw compressors. They are often used in large-scale industrial refrigeration such as chemical plants and central air-conditioning systems. Because the performance of screw chillers is more stable and efficient,

03/21/2025

Mitsubishi vs Daikin: Top Series Comparison of Mitsubishi Power Multi and Daikin VRV Central Air Conditioners for Home Use

Now, in the world to promote environmental protection and low-carbon general trend of green living, inverter air conditioning has entered a new era.

08/20/2020

Daily maintenance and performance characteristics of air-cooled chillers

Although the air-cooled chiller is equipped with multiple protection devices, these are all to prevent failures from directly damaging the unit. If the company wants to ensure that the air-cooled chiller has high cooling efficiency and long service life,

07/10/2020

Hitachi

Hitachi original place：Japan Brand introduction: Hitachi was established in 1910. In the industry, it is a diversified enterprise integrating household appliances, computer products, semiconductors, industrial machinery and other products.

12/28/2022

Classifications of Programmable Logic Controller

The programmable logic controller (PLC) is a digital operation controller with microprocessor for automatic control, which can load control instructions into memory for storage and execution at any time.

12/18/2024

ABB inverter fault codes and solutions

After an ABB inverter fails, many people don't know what to do, and they look for experts everywhere for advice. In fact, many times, just check the inverter's fault code to know what specific fault has occurred in the inverter, and you can prescribe the right medicine

08/14/2020

Where is the secret of energy saving in cold storage

For most fruit farmers, the storage of fruits and vegetables is particularly important in order to gain a good momentum in the coming year. Everyone is not unfamiliar with the storage method of fruits and vegetables in cold storage,

09/11/2020

Development and Trend of my country's Frequency Converter Industry

With the rapid development of power electronics technology, computer technology and automatic control technology, electric drive technology is facing a historic revolution. AC drives have gradually become the mainstream of electric drives.