Copeland Compressor 4DS3A220E-FSD-201

08/09/2020

Regulations for the adoption of heat recovery chillers in refrigeration stations

1. For buildings that require both cooling and heating, heat recovery chillers can be selected when the technical and economic analysis is reasonable. By recovering the heat lost by the cooling water, the unit is used for air conditioning hot water or hot air preheating,

08/15/2020

How to control the temperature of the low-temperature storage room

Low-temperature preservation warehouses, we see the most food cold storage, which is mainly used to store items with strict temperature requirements.

06/14/2020

Frozen meat thawed repeatedly 15 times Will it become zombie meat after being frozen for a long time Must be clear today

Frozen meat thawed repeatedly 15 times Will it become zombie meat after being frozen for a long time Must be clear today Now that the living conditions are good, the meat is bought in large chunks, frozen at home, and cut a little when you want to eat. 器2䀀
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09/04/2020

Advantages of frequency converter air compressor

Energy-saving principle: The variable frequency speed regulation system takes the output pressure as the control object, and is composed of a frequency converter, pressure sensor, and a motor to form a closed-loop constant pressure control system.

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

06/14/2020

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start

Cause Analysis of Refrigeration Compressor Cannot Start or Stop Quickly After Start 1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload

01/22/2025

How to Install Encoders - Best Practices

The wiring and installation of rotary encoders should be conducted in strict accordance with the instructions of each product.

06/14/2020

Common failure causes of half-sealed piston compressor

Common failure causes of half-sealed piston compressor 1. The compressor cannot start normally 1. First check whether it is caused by too low power supply voltage or poor connection of the motor line: if the grid voltage is indeed too low, start again器2䀀
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09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

08/24/2020

What should I do before the air conditioner is turned on for the first time when I encounter the new crown virus in summer

In a live broadcast last night, Dr. Zhang Wenhong said that China’s epidemic prevention and control has done a good job. When people wear masks, the probability of contracting the new crown virus is very small. He said that when it is hot,