Danfoss Compressor MTZ40-4VI

08/14/2020

Air conditioner repair-come here

I learned from a senior air conditioner repairer that we can judge the general failure of the air conditioner by observing the characteristics and operation of the air conditioner.

08/03/2020

Causes, harm, treatment and prevention methods of refrigeration compressor liquid strike

Liquid hammer refers to the situation in which the refrigerant liquid or wet vapor is sucked into the compressor by the compressor due to the failure or insufficient heat absorption and evaporation of the refrigerant, which is called liquid hammer.<br></bžﰨ2䀀

06/14/2020

Scroll compressor 2020 or will enter the dark moment

Scroll compressor 2020 or will enter the dark moment Affected by factors such as product competition and the weakening of downstream demand, in the context of the overall downturn in the HVAC industry,

08/14/2020

How to reduce the overall cost of purchasing industrial chillers

How to reduce the overall cost of purchasing industrial chillers

08/05/2020

The most common refrigeration method in the market and detailed description

1. Vapor compression refrigeration cycle 　　Using the latent heat generated by the phase change of the working fluid, refrigeration is realized through a closed cycle of compression, condensation, throttling, and evaporation.

10/28/2021

How Much is a Central Air Conditioner - Prices of Different Types of Central Air Conditioners

A quote of a central air conditioner consists of the following prices: equipment (outdoor unit & indoor unit) + materials + installation cost + maintenance cost.

03/11/2022

Why are Your Refrigerating Machine and Compressor Making Abnormal Noises?

The operation sound of the refrigerating machine is unavoidable. The fan rotating, fan blade rubbing with the air would make the noise that is normal.

06/20/2020

Common fault phenomena, causes and elimination methods of piston compressors

Common fault phenomena, causes and elimination methods of piston compressors 　　Common faults of piston compressor (1) 　　 Phenomenon: the compressor cannot start Reasons: 1. Electrical circuit failure; 2. High and medium voltage relay and oil pressure relay are disconnected.<img src="{{media url=&quot;Common_fault_phenomena_causes_and_elimination_methods_of_piston_compressors.jpg&quot;}}" alt="" />

07/07/2020

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

08/14/2020

Reasons for internal protection of industrial chiller compressors

There is a thermal switch inside some compressors. The function of this switch is to disconnect the power supply line to the compressor motor when the temperature of the compressor exceeds the set value.