EVCO Temperature Controller EVKB21N7

08/01/2020

The new era of dual-supply air-conditioning refrigeration, floor heating and heating trend has arrived

For heating equipment, many people will have doubts. The central air conditioner installed in the home already has heating function. Do you need to install floor heating?

07/07/2020

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

01/19/2022

Transmitter Common Faults & Diagnosis Methods

Transmitter faults mainly include complete fault, bias fault, shifting fault, and precision degradation fault. This is shown in figure 2.

08/29/2020

Compressed air solutions for winemaking

The epidemic is about to pass. Do you all look forward to having a dinner together? After all, the last dinner may have been years ago. Speaking of bitter tears, even if we haven’t been able to gather so soon,

06/14/2020

What are the models of refrigeration compressors

What are the models of refrigeration compressors As we all know, there are refrigeration compressors in the refrigerators and air conditioners that we commonly use. The core of the air conditioner and refrigerator is it. Whenever it is, the air condition器2䀀
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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,

08/24/2020

Reason analysis of refrigeration compressor can not start or stop soon after start

1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload, whether the air switch has tripped, whether the switch contacts are good, and whether the power supply is missing phase. Observe the voltmeter and ammeter when starting. When the small-scale refrigeration and air-conditioning equipment does not have an ammeter or electric meter, a multimeter or electric pen can be used to check the power supply. When the power supply voltage is too low, the compressor will not start.

08/09/2020

How to recycle Freon when the air conditioner is moved What should I pay attention to when moving the air conditioner

The price of buying an air conditioner is not low, so many people will definitely remove the air conditioner when moving. When moving the air conditioner, it is necessary to recycle the Freon.

09/07/2020

The most complete air compressor energy saving transformation method

Due to the design standard of the air compressor, the user can only determine the motor capacity according to the maximum demand when selecting the model, resulting in a large margin in the air compressor system.

01/10/2021

Dry cargo sharing, the most comprehensive introduction to the structure and working principle of refrigeration compressors

The role of refrigeration compressors in the system In order to be able to continuously cool, the compressor needs to suck the vaporized low-pressure vapor from the evaporator and work on it, compress it into high-pressure superheated vapor, and then d器2䀀
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