Schneider Contactor LC1D40004M7

09/11/2020

Bearing according to the type of rolling element

Bearings are classified according to the types of rolling elements: 1. Ball bearing: the rolling elements are balls 2. Roller bearing: the rolling element is roller

07/07/2020

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

07/30/2020

Analysis of common failure causes of hermetic refrigeration compressors

The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.

08/21/2020

Which is better, refrigeration or dehumidification

Core Tips|After entering the dog days, heat waves hit one after another, and air conditioning has become an artifact for everyone to escape the heat. When it comes to the function of air conditioning,

07/17/2020

Five items to pay attention to when using Copeland compressors

Copeland compressors are strictly forbidden to perform pressure test under oxygen, and for nitrogen without safety valve! Improper use will cause an explosion and cause casualties. Some users have already experienced this situation. I hope that all dealers promptly remind the installation personnel and use it as a warning. They must follow the operation process.

08/03/2020

How to prevent the constant starting of the compressor of the high and low temperature test chamber?

The compressor is the core component of the refrigeration system of the high and low temperature test chamber, and has a decisive effect on the entire refrigeration system.

08/05/2020

Central air conditioning chiller water system and ventilation system cleaning method

The central air-conditioning ventilation system mainly includes air ducts, fresh air ducts, central air-conditioning wind cabinets, air supply outlets, air-sealing outlets, air handling units, and fan coils.

07/02/2020

Copeland compressor analyzes the current status of centrifugal compressors

Copeland compressor analyzes the current status of centrifugal compressors Copeland compressor is a common compressor brand, and the same Copeland compressor brand can be divided into many types of compressors, such as centrifugal compressors, piston compressors, liquid ring compressors, diaphragm compression Machine etc.

07/26/2020

There are 8 main reasons for the burning of air-conditioning compressors!

The air-conditioning compressor is the key component of the air-conditioning unit. The 8 main reasons for the air-conditioning compressor burnout are as follows:<br></br>

08/20/2020

Precautions for the selection of fan coils for large central air conditioners

The fan coil unit is an important component in a large central air-conditioning system. Its selection will directly affect our usage, such as cooling effect, power consumption, noise impact, etc.