Protechnic Fan MGT4012LR-O10

07/30/2020

What should be paid attention to to make cold storage more energy-efficient?

1. The index to reduce the unit heat flow of the enclosure structure of the cold storage. In the design of the cold storage, the unit heat flow q of the outer wall of the low-temperature cold storage is generally about 11.63W.

06/14/2020

The selection of the central air conditioner depends not only on the brand, the internal compressor is also very important, several types of compressors commonly used in central air conditioning;

The selection of the central air conditioner depends not only on the brand, the internal compressor is also very important, several types of compressors commonly used in central air conditioning; 1. Classification of common compressors 1. Single rotor器2䀀
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06/14/2020

Common electronic expansion valve problems for air conditioners

Common electronic expansion valve problems for air conditioners 1. Principle of Electronic Expansion Valve 　　 The angular displacement generated by the stepper motor drives the rotation of the valve needle in the valve body, thereby realizing the auto器2䀀
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06/17/2022

VFD Types And Applications?

Variable Frequency Drive (VFD) can be classified according to the following generic topologies

06/14/2020

The weather turns hot Avoid the risk of epidemic spread due to the use of air conditioning

The weather turns hot: Avoid the risk of epidemic spread due to the use of air conditioning According to the press conference of the 108th New Coronary Pneumonia Epidemic Prevention and Control in Beijing on May 18, 2020, 33 patients with concentrated feﰸ2䀀
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08/08/2020

VRV air conditioning system, do you know

1.Principle of VRV system The variable refrigerant flow (Varied Refrigerant Volume, VRV) air-conditioning system is a refrigerant type air-conditioning system. Heat exchanger, compressor and other refrigeration accessories, the end device is an indoor uni–ﰨ2䀀湠疖VǜV
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07/14/2020

Dutch company develops high-tech air-conditioning equipment: it can be cooled without electric energy

Dutch company develops high-tech air-conditioning equipment: it can be cooled without electric energy US media said that according to the International Energy Agency, by 2050, nearly 6 billion air conditioners will consume 37% of the world's electricity.

07/07/2020

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

08/03/2020

Temporary treatment method for plate heat exchanger gasket aging

The softening of the elastic gasket is related to pressure and temperature. When the gasket loses its elasticity, the heat exchanger will leak. In some products, in order to solve the dripping phenomenon caused by the aging of the sealing gasket,

02/09/2023

What is a Blend Door Actuator?

Blend door actuators, also known as Heating, Ventilation, and Air Conditioning (HVAC) actuators, control the position of the vents and the air flowing into the passenger area of the vehicle.