Lenze VFD Frequency Converter EVF9321-EV

05/23/2025

How to select the thermal expansion valve？

1. The role and classification of expansion valves<br></br> Expansion valve is an important part of refrigeration system, generally installed between liquid storage cylinder and evaporator. The expansion valve causes the medium temperature and high pressure liquid refrigerant to become low temperature and low pressure wet vapor through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the cooling effect.

07/30/2020

What to do if the air conditioner protection light is flashing and not cooling

What to do if the air conditioner protection light is flashing and not cooling<br></br> In the entire home repair industry, what can quickly arouse the attention of users is the previous TV repair, and the current air conditioning repair is also one

07/02/2020

Meiyoule compressor MTZ-100 latest promotion

Meiyoule compressor MTZ-100 latest promotion Product Features of MYO100 Compressor: 1. The design plan of the US Youle compressor is environmentally friendly, and the series compressors can run smoothly and reliably. 2. The high-performance standard bearings and motors of Meyer compressors can adapt to the use of new chlorine-free refrigerants.

08/16/2020

How to choose a low temperature air source heat pump system

With the acceleration of industrialization, air pollution is becoming more and more serious. Everyone is complaining about the environment and worrying about health; everyone is still missing the blue sky and clear water, fresh air, and stars in childhood.

08/05/2020

The difference between the three types of evaporators dry, flooded, and falling film evaporators

The refrigerant in the dry evaporator passes through the heat exchange tube, and the cold water runs outside the high-efficiency heat exchange tube. Such a heat exchanger has relatively low heat exchange efficiency,

08/19/2020

Three maintenance and inspection methods for air-conditioning refrigeration compressors

In order to ensure the normal operation of the compressor and prolong its service life, in addition to regular maintenance and inspection, daily maintenance and inspection are very important.

08/12/2020

What is the phenomenon of a broken car drying tank Maintenance of the drying tank

When you are repairing the car air conditioner, you don’t know what happens when the car drying tank is broken. The following okmarts.com editor will take you to understand the common faults of the drying tank and teach you how to repair the car air condi¨ﰨ2䀀湠疨V

06/14/2020

Maintenance manual of semi-hermetic refrigeration compressor

Maintenance manual of semi-hermetic refrigeration compressor Compressor Maintenance Good maintenance is the basic guarantee for the safe operation of the compressor unit, extended service life and reduced operating costs. To this end, the maintenance of 器2䀀
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06/29/2020

Several causes of compressor burning

06/23/2020

What's wrong with the air conditioner not cooling？

If the air conditioner is used for a long time, Freon will be consumed normally, causing the air conditioner to have no previous cooling state; the area of the room itself is relatively large, but it is equipped with a small number of air conditioners; the outdoor unit of the air conditioner is installed outdoors, and it will adsorb on it for a long time. Dust and other reasons will cause the air conditioner to not cool. <img src="{{media url=&quot;magefan_blog/What_s_wrong_with_the_air_conditioner_not_cooling3.jpg&quot;}}" alt="" />