Danfoss Compressor SH345A7AAY

01/07/2021

Why does the air conditioner frost

Why does the air conditioner frost Q: Why does frost occur when the air conditioner is running? Answer: When the air conditioner is performing heat pump heating operation, the surface temperature of the heat exchanger of the outdoor unit will be very 器2䀀
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08/19/2020

What kind of preheating work can avoid the failure of screw chiller

The following is a small knowledge point to ensure the normal, safe and stable operation of the screw chiller. If you want to be a qualified chiller operator, you must continue to learn and absorb a more comprehensive working principle of the chiller and its components, and the chiller

08/20/2020

Which is cost-effective to rent a cold storage or build a cold storage yourself

Which is cost-effective to rent a cold storage or build a cold storage yourself? On this issue, we mainly have the following considerations:

08/21/2020

Failure Analysis of Air Conditioner Button Circuit

Where is the button circuit in the inverter air conditioner? The first is the function keys on the display panel, and the second is the automatic switch on the main board. The main purpose is to transmit user instructions and achieve the purpose of information interaction.

07/07/2020

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

09/03/2020

Application and quality standards of compressed air in textile industry

After several years of cold winter conditions, the textile industry began to pick up. Domestic and external demand grew at the same time, and there was even a need to expand. As the second largest power source after electricity

09/30/2025

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner

The difference between fixed speed, frequency conversion, DC frequency conversion, AC frequency conversion, digital scroll air conditioner The fixed speed air conditioner means that the speed of the internal compressor motor is constant and the temperaturŒﰨ2䀀湠疌VǜV
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08/08/2020

Maintenance method of central air conditioner without reflection

The L and N resistances are infinite, and the fuse may be burned out or the transformer (Transformer) may be burned out.

08/13/2020

Correct operation method and precautions of distribution box during cold storage installation

In the process of cold storage installation, the use of cold storage power distribution boxes is a very important content, but most people are not very familiar with the normal operation of cold storage power distribution boxes.

08/11/2020

Precautions for assembly of compressor oil scraper ring

If the compressor wants to operate normally, it needs to cooperate and cooperate with each other among its internal parts in order to exert the maximum working ability. As a small part of the compressor, the oil scraper ring has an important working capacity.