Hitachi Compressor 401DHV-64D1

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.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/25/2020

Common refrigerant charging methods for central air conditioners

In practical applications, the following methods are often used to detect whether the refrigerant in the refrigeration system is sufficient. Let's analyze the drawbacks of these charging methods:

08/05/2020

Can you judge whether the refrigeration compressor is leaking in 5 steps

Insert the power plug of the air conditioner into the power source, and the air switch will trip immediately! Compressor leakage? Follow the following five steps to confirm the compressor leakage fault.

04/18/2022

Why Electromagnetic Flowmeter Needs Grounding?

Before discussing grounding, I want to give you a question: what is grounding? We usually talk about all kinds of grounding including protection grounding, shielding grounding, working grounding, signal grounding and so on.

06/14/2020

Refrigeration compressor technology development trend

The refrigeration compressor is the "heart" of the refrigeration system, and its thermal performance and reliability largely determine the thermal performance and reliability of the refrigeration system. In order to meet the needs of users and fierce markﰸ2䀀
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08/08/2020

How to understand the real temperature commonly used in air conditioners

The response of the surrounding air environment to human physiology is not the effect of a single factor, but the total effect of combining the temperature, humidity and air velocity of the surrounding air.

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.

09/09/2020

Classification of air filters

Air filter has three methods: inertia, filtration and oil bath. 　　①Inertial type: Since the density of impurities is higher than that of air, when the impurities rotate or make sharp turns with the air, the centrifugal inertial force can separate the impurities from the airflow.

07/23/2020

The damage of air-conditioning refrigeration compressor and its preventive measures

An 82000DWT bulk carrier of a shipping company broke down on the 7th day after leaving the factory. The crew described that when it started, the air-conditioning refrigeration compressor could not run continuously, and a large current occurred and an alarm was triggered.