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Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin

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Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin Detail:

This is an air conditioner three-state pressure switch, which includes a high and low pressure switch and a medium voltage switch. The three-state pressure switch is installed on the high-pressure pipeline of the air-conditioning system.

Low-pressure switch: When the air-conditioning system leaks or the refrigerant is low, in order to protect the compressor from damage, the control circuit of the compressor is forcibly cut off to stop the compressor.

Mid-state switch: When the condensing pressure is high, force the condensing fan to rotate at a high speed to reduce the high pressure pressure and increase the cooling effect.

High pressure switch: In order to prevent the system pressure from being too high, causing the system to explode, the compressor is forced to stop working. When the high-pressure pressure of the air conditioner is abnormally high, the high-pressure switch is opened to cut off the control circuit of the compressor, and the air-conditioning system stops working.

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The air conditioner three-state pressure switch has four lines: two are medium voltage switches, used to control the fan heating fan. The other two are low pressure and high pressure together to control the compression operation.

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As shown in the circuit diagram: after the A/C switch inputs the signal to the air conditioner panel, the air conditioner panel will output the signal to the ternary pressure switch (usually a negative signal),The ternary pressure switch detects the pressure inside the pipeline and whether the high and low pressure are normal. If it is normal, the internal switch will be turned on and send the signal to the engine computer board. The computer board controls the compressor relay to pull in and the compressor works.There is also a wire that is normally grounded. When the internal medium voltage of the three-state switch is normal, the switch is closed, and the signal is sent to the engine computer board to control the cooling fan relay to pull in.

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Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures

Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin detail pictures


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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for Factory wholesale Water Pressure Control Switch - AC compressor trinary low high pressure switch with wire – Anxin , The product will supply to all over the world, such as: Uruguay, kazakhstan, Southampton, Nowadays our products sell all over the domestic and abroad thanks for the regular and new customers support. We provide high quality product and competitive price, welcome the regular and new customers cooperate with us!
  • The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Klemen Hrovat from Iraq - 2017.08.21 14:13
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
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