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Shaanxi Huace Electric Technology Co., Ltd.

Huace Electric Technology
A professional manufacturer of explosion-proof electrical
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The reasons that lead to the explosion-proof air conditioner not heating in winter will be understood after reading these five points

Author: admin Published date: 2019-05-31 dimensional code sharing

More and more industries begin to use explosion-proof air conditioners. The reason why more and more industries choose them is that explosion-proof air conditioners have the advantages of environmental protection and power saving. More importantly, it can provide us with certain safety guarantees. This is the main reason. . During the operation, some failures will inevitably occur, especially when working in winter. Explosion-proof air conditioners do not heat. So what exactly is causing this? Let Shaanxi explosion-proof fan air-conditioning installation to share with you.

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1. Reasons why the explosion-proof air conditioner does not heat:

Problem with air conditioning capillary or check valve

Capillary: Capillary network simulates the mechanism of leaf veins and human capillaries. It consists of a capillary tube with an outer diameter of 3.5-5.0mm (wall thickness of about 0.9mm) and a main pipe with an outer diameter of 20mm (wall thickness of 2mm or 2.3mm). .

Check valve: also known as check valve or check valve. Used to prevent reverse flow of oil flow in hydraulic systems, or to prevent reverse flow of compressed air in pneumatic systems.

What to do if the explosion-proof air conditioner does not heat due to this reason: replacing the capillary tube or check valve can solve the air conditioner's non-heating.

2. Reasons why the explosion-proof air conditioner does not heat:

Outdoor temperature is too low

If the outdoor temperature is too low, the explosion-proof air conditioner will not work properly. Generally, the outdoor temperature is below zero. The outdoor of the variable frequency explosion-proof air conditioner can no longer heat normally at about 15 degrees below zero. Heating.

What to do if the explosion-proof air conditioner does not heat due to this reason: Use tools to clear the frost on the explosion-proof air conditioner to solve the air conditioner's non-heating.

3. Reasons why the explosion-proof air conditioner does not heat:

Air-conditioning four-way valve leaks

Four-way valve: The term for hydraulic valve is a control valve with four ports. The four-way valve is an indispensable part of the refrigeration equipment. Its working principle is that when the solenoid valve coil is in a de-energized state, the pilot spool valve is moved to the left by the compression spring on the right side, and the high-pressure gas enters the capillary tube ① and enters the right-end piston cavity. On the other hand, due to the pressure difference between the two ends of the piston, the piston and the main spool valve move to the left, so that the exhaust pipe communicates with the outdoor unit, and the other two pipes communicate, forming a refrigeration cycle.

What to do if the explosion-proof air conditioner does not heat due to this reason: replacing the four-way valve can solve the air conditioner without heating.

4. Reasons why the explosion-proof air conditioner does not heat:

The dust in the filter screen prevents the heat generated in the machine from being brought out by the flowing air in time, resulting in insufficient heat generation.

Explosion-proof air-conditioning air filters have accumulated too much dust, and the vents of the internal and external units are blocked by foreign objects. The function of the filter is to absorb the dust in the air. If the accumulated dust is not cleaned in time, it will block the air circulation, which will reduce the air volume of the air outlet. As a result, the heat generated in the machine cannot be taken out by the flowing air in time. Insufficient heating capacity.

What to do if the explosion-proof air conditioner does not heat due to this reason: cleaning the filter can solve the air conditioner's non-heating.

5. Reasons why the explosion-proof air conditioner does not heat:

Fluorine deficiency in air conditioner

The lack of fluorine in explosion-proof air conditioners not only fails to cool, but also causes heating effects. At present, most explosion-proof air conditioners are heat pump type or heat pump plus auxiliary electric heating type air conditioners. The working principle of these two types of explosion-proof air conditioners is to use Freon to absorb heat from outdoor air during evaporation. If there is a lack of fluorine, it will not be able to absorb heat and it will not work properly. jobs.

What to do if the explosion-proof air conditioner does not heat due to this reason: Freon is added to the air conditioner

Briefly share with you the reasons that lead to the explosion-proof air conditioner not heating, I hope it can be used by everyone. For more information, please pay more attention to Shaanxi explosion-proof fan air-conditioning installation .


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