FAIRCHILD IC Integrated Circuit Chip 7438DC

08/02/2020

Do you know the key "3, 5, 8" in the installation of central air conditioning fluorine system?

Central air-conditioning creates a high-quality home life for us. Before installing central air-conditioning, we must make preparations for purchase, design and installation in advance, so as to be well aware of and avoid blindness.

08/10/2020

Common faults of refrigerator thermostat

As we all know, the finished product of any mechanical product is composed of scattered parts; from the beginning of assembly, each of their parts has a very important "mission" to complete,

07/20/2020

Causes and solutions of air conditioning not heating

The air conditioner has the functions of cooling and heating. Heating in winter and cooling in summer. Life is called a comfortable one. However, why is the air conditioner not heating? In the cold winter, the air conditioner is turned on for heating, but the cold wind blows out, which makes people tremble more.

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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08/17/2020

How to make the service life of ground source heat pump air conditioner longer

For villa owners who have installed ground-source heat pump air-conditioning and floor heating for villas, they may be more concerned about how to use them correctly while extending the life of ground-source heat pump air-conditioning.

06/21/2020

Electronic expansion valve application and installation precautions

Electronic expansion valve application and installation precautions <img src="{{media url=&quot;wysiwyg/Electronic_expansion_valve_application_and_installation_precautions.png&quot;}}" alt="" /> Advantages of electronic expansion valve: The energy efficiency ratio is improved during high-frequency and low-frequency operation; the reliability of the compressor is improved, the conditions of oil return, liquid return, and exhaust temperature are too high; the operation of the whole machine is reliable, and the problems of water blowing, condensation, and overload are reduced. ; Increased adaptability to changes in refrigerant quantity; Enhanced comfort, short defrost time;

04/20/2022

What is A Level Transmitter?

Level transmitter is the extension and development of pressure transmitter technology. It realizes the accurate measurement and transmission of the volume, liquid height and weight of water

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

06/14/2020

Clean the air conditioner yourself, so the operation may explode!

Clean the air conditioner yourself, so the operation may explode! The weather is getting hotter and hotter, and many families have turned on the air conditioner, but the air conditioner is blowing a smell, so he decided to clean the air conditioner himse器2䀀
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10/24/2025

Common Faults of Cold Storage (with a List of Fault Repair Methods)

Cold storage is an indispensable and important facility in many industries. They play a key role in storing and preserving various products. However, even with the most sophisticated systems, cold storage can suffer from various failures.