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3 Phase Air Conditioner DC Frequency Compressor Driver Inverter Control Circuit Board PCB Board

3 Phase Air Conditioner DC Frequency Compressor Driver Inverter Control Circuit Board PCB Board

The air conditioner control board is the control center of the air conditioner. It is used to collect signals from remote controls or sensors, and after processing, send commands to components such as compressors, fan motors, etc. to make them operate in an appropriate manner.

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Product Introduction

After years of hard development and continuous growth, we have sold our fire alarm repeater panel, IOT board, digital power amplifier module overseas and established long-term cooperation with well-known companies. Technology is infinite and creation is infinite. Facing the ever-changing business sea, the pursuit of excellence is that we will write the glory and dreams of the new century with more extraordinary confidence and courage. With our complete product portfolio, product quality, reasonable distribution prices, and personalized supporting services, we quickly detonate the market. We adhere to the concept of 'how far the road is, how far our service is' and adhere to the strategy as the guide, brand service as the core and to provide customers with a full range of services.

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Air conditioner control board


The air conditioner control board is the control center of the air conditioner. It is used to collect signals from remote controls or sensors, and after processing, send commands to components such as compressors, fan motors, etc. to make them operate in an appropriate manner.

The air conditioning control board has four working states: high wind speed, medium wind speed, low wind speed and automatic wind speed. And has a large-screen LCD display power-off data memory function.

Air conditioner control board features


1. Quiet and energy saving

2. Multiple air outlets can be set

3. It is convenient to introduce outdoor fresh air and improve indoor air quality

4. Power-off data memory function

5. Fast cooling and heating

6. The noise is very small, can be less than 40~50dB. The noise of the window air conditioner is about 60dB.

7. High, medium and low wind speed, automatic four working conditions

8. With clock, remote control, blue backlight

9. Time can be set according to customer needs

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Air conditioning control board composition


The air conditioner control board consists of 4 parts, the power circuit, the three components of the CPU, the input part circuit and the output part load. The output part load has the following 5 parts, indicator light, buzzer, stepper motor, indoor fan and relay.

3 main relays:

1. Compressor relay:

Controls the running and stopping of the compressor. In cooling mode, the compressor is controlled by 3min continuous circuit protection, evaporator low temperature protection, voltage detection, overcurrent protection and other circuits. In heating mode, the compressor has 3min continuous circuit protection, evaporator over-temperature protection, voltage detection, over-current protection and other circuit controls.

2. Outdoor fan coil relay:

Controls the running and stopping of the outdoor fan, and the protection circuit is the same as the compressor.

3. Four-way valve coil relay:

Control the operation and stop of the four-way valve coil. In cooling mode, no power supply, stop working.

Air conditioning control boards are suitable for air conditioners in many places, such as common shopping malls, restaurants, households and other places use our control boards, we support OEM and customized services.


Under the premise of ensuring quality of the 3 Phase Air Conditioner DC Frequency Compressor Driver Inverter Control Circuit Board PCB Board, we realize product standardization and large-scale production, and strive to open up a broader market. We adhere to the principle of quality first and we know that quality management is the key part of the manufacturing process. The development of our company everywhere reflects the broad-mindedness and generosity of openness and tolerance, cooperation and sharing, and wide acceptance of talents.

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