Copeland Compressor 3DF4-120E-TFC

08/03/2020

Temporary treatment method for plate heat exchanger gasket aging

The softening of the elastic gasket is related to pressure and temperature. When the gasket loses its elasticity, the heat exchanger will leak. In some products, in order to solve the dripping phenomenon caused by the aging of the sealing gasket,

06/14/2020

Analysis of common failure causes of totally enclosed refrigeration compressor

Analysis of common failure causes of totally enclosed refrigeration compressor Running end (R), starting end (S), common end (C), the resistance between RS is greater than that between SC and RC. The resistance between RS is equal to the resistance betweﰸ2䀀
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12/07/2021

Troubleshooting of Diffusion Silicon Pressure Transmitter

Diffusion silicon pressure transmitter is applied in a wide variety of industries, such as petroleum, chemical industry, steel, power, light industry and environmental protection industry.

07/07/2020

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

08/17/2021

What to do if Your Compressor is in Reverse Rotation

As we know, the operation of the internal compression structure of the refrigeration compressor has a fixed direction.

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

09/14/2020

Intake valve cannot open fault

Quanzhou failure analysis In Quanzhou in the past two days, I was debugging an air compressor. I encountered such a problem. The unit was operating normally for the first time. However, after shutting down and turning on, the unit was abnormal and could not pump air. At present, it can be guaranteed that the original electrical appliances are normal.

06/14/2020

Analysis and solution of the three reasons for the high temperature of the exhaust of the compressor dryer

Analysis and solution of the three reasons for the high temperature of the exhaust of the compressor dryer

09/09/2020

Precautions for purchasing screw air compressor

When choosing to purchase a screw air compressor, several parameters need to be evaluated to ensure that the selection is more suitable. Today we will talk about the following points when buying a screw air compressor.

08/16/2020

Correct disposal method after leakage of ammonia refrigeration system

1. Treatment method of ammonia leakage accident in ammonia compressor 1. After an ammonia leakage accident occurs in the ammonia compressor, first cut off the compressor power supply and immediately close the exhaust valve and suction valve (two-stage