EMERSON Air Conditioner LDF42

07/30/2020

Reason analysis of refrigeration compressor can not start or stop soon after start

First check the main circuit. Whether the power supply has electricity, whether the voltage is normal, whether the fuse has been blown due to starting overload, whether the air switch has tripped,

01/09/2023

What is a Refrigeration Solenoid Valve?

The refrigeration solenoid valve is a valve that controls the automatic opening and closing of the refrigerant in the refrigeration system.

09/05/2020

Talking about Lubricant and Air Compressor

At present, the mainstream product on the air compressor market is the screw air compressor. Screw air compressor gradually replaces piston air compressor with its product characteristics.

07/22/2020

The world’s compressor-free ultra-low temperature refrigerator with the lowest temperature of -80℃——Stirling ultra-low temperature refrigerator

The history of the refrigerator<br></br> <br></br> The discovery of American Jacobi Perkins in 1834 led to the invention of the refrigerator. The Scot John Harrison discovered the cooling effect, and by 1862, his first refrigerators were on the market.

09/11/2020

Radial bearing

Radial bearing: Rolling bearing mainly used for bearing radial load, its nominal contact angle ranges from 0 degrees to 45 degrees. According to the different nominal contact angles,

06/24/2020

How about the cooling effect of the air-conditioning fan

Air-conditioning fans are becoming more and more popular in summer. Of course, the price of air-conditioning fans is cheaper than air-conditioning. Of course, the cooling effect is not comparable to that of air-conditioning. So what about the cooling effect of air-conditioning fans? This is also a problem that everyone is more concerned about. In addition, the principle of the air-conditioning fan is also what you want to know. Let's take a look at the cooling effect of the air-conditioning fan with the editor, for your reference.

08/13/2020

How to take out the ammonia refrigerant in the refrigeration system

First, prepare all the tools and emergency supplies, such as ammonia irrigation, a certain number of ammonia bottles, connecting pipes, fitter tools, gas masks, rubber gloves, first aid medicine, etc.

06/14/2020

Compressor shutdown for screw compressor repair

Among the many refrigeration compressors, the screw compressor is the most extensive one. When the screw compressor suddenly stops after working for a day, a reasonable treatment method should be carried out to ensure that it can be used normally next timﰸ2䀀
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06/14/2020

Causes and removal methods of frost in cold storage evaporator

The frost formation of the cold storage refrigeration evaporator should be comprehensively analyzed from various aspects. The design of the evaporator, the evaporator spacing between the fins, and the piping arrangement should be optimized as a whole. The器2䀀
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07/07/2020

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