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6.5kw Three-Phase Air Conditioner DC Inverter Compressor Driver Controller Assembly PCB Board

6.5kw Three-Phase Air Conditioner DC Inverter Compressor Driver Controller Assembly 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

We want to be a first-class enterprise in the power supply board components, smt assembly service, control board inverter industry with satisfied customers, happy employees, a sense of social responsibility and sustainable operation. Our company adhere to people-oriented, the implementation of humanistic care concept, and actively protect the rights and welfare of employees. We innovate with science and technology, strive to improve product quality and expand production scale to expand the international and domestic markets. The company has improved its production efficiency year after year by constantly improving management manufacturing and enhancing technological innovation. We insist on the pursuit of perfection in details and excellence, so as to reach the highest level of management.

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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.


As one of the market leaders of 6.5kw Three-Phase Air Conditioner DC Inverter Compressor Driver Controller Assembly PCB Board, we face the competition and challenges of international and local counterparts, but always have a higher market share than other competitors for our advantages. While we are responsible for product sales, quality tracking and after-sales service, we have also established a customer profile and customer information feedback system, and regularly visit customers to solicit their opinions on products. We have established a scientific and rational production and manufacturing management system, which contains business order tracking, manufacturing data management, production planning and scheduling, inventory management, quality management, performance management, etc.

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