Copeland Compressor ZR19M3E-TW5-922

07/07/2020

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

09/11/2020

Recent market development of air source heat pumps in various countries in the world

The 1997 World Climate Summit in Kyoto, Japan established the reduction of greenhouse gases (GHG), achieving the goal of reducing greenhouse gases by at least 5% below 1990 levels between 2008 and 2012.

09/09/2020

The benefits of the implementation of the screw air compressor heat recovery project for corporate customers

During the long-term continuous operation of the screw air compressor, electrical energy is converted into mechanical energy, and mechanical energy is converted into wind energy. In the process of converting mechanical energy into wind energy, the air is compressed by a strong high pressure, causing its temperature to rise sharply.

09/16/2025

The Most Common Causes and Symptoms of Check Valve Failure

A failing check valve can be a disaster when you’re operating any liquid handling equipment. By understanding why valves fail and how to detect the early warning signs of valve failure

07/27/2020

What is the principle of air conditioning refrigeration system? What is the heating principle of the air conditioner?

When we use the air conditioner, the commonly used function should be the cooling function, because the cooling function can bring us a more comfortable and cool environment in summer,

09/21/2020

Development Trend of Domestic Screw Refrigeration Compressor

Since the advent of screw compressors in 1934, after decades of technological improvement, screw compressors have been widely used, especially in refrigeration.

08/17/2020

How to achieve higher performance requirements in the design and production process of chillers

Many companies will purchase chillers to meet the refrigeration needs of their own production work. Purchasing high-quality chillers can ensure the stability of the operation and a certain degree of work efficiency, and the service life will be longer.

01/13/2021

Causes and solutions of gas stove solenoid valve not working

Causes and solutions of gas stove solenoid valve not working 1. The automatic extinguishing function of the gas stove solenoid valve fails, and the wiring gasket in the valve body cannot be energized, resulting in the gas stove solenoid valve not worki器2䀀
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06/14/2020

The main cause of the burning of refrigeration compressor windings

The damage of the motor coil is mainly manifested as the destruction (short circuit) and open circuit of the stator winding insulation. After the stator winding is damaged, it is difficult to be found in time, which may eventually cause the winding to bur器2䀀
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06/14/2020

Cold storage equipment installation and commissioning

Installation of refrigeration compressor unit in cold storage: The condensing unit should avoid installing in high temperature environment, and the outdoor awning should be installed to avoid rain or direct sunlight. The air inlet side of the air-cooled c器2䀀
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