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Qd-U03A+ Remote Controller for Air Conditioner

Qd-U03A+ Remote Controller for Air Conditioner

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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We are strict about the quality of our bluetooth digital amplifier board, full turnkey pcb assembly, fire alarm control panels and our aim is to provide our customers with quality products and services. Your pleasure is our best reward. The strict requirements for operation, the words and deeds of users, the mutual benefit and win-win of partners, the frank communication with employees and the honesty and trustworthiness of the country and society are all the principles we abide by. We will continue to upgrade the realm, look at the world, take the concept of global management as a guide, aim at the leading international enterprises, continue to innovate, deepen reform, cultivate talents, and create a corporate value chain with global advantages. Based on years of experience, technology and reputation, our products are sold all over the world and Chinese market, and are welcomed by customers all over the world.

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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.


Through deep understanding of our customers, continuous improvement of our brand value and continuous growth of our position in the Qd-U03A+ Remote Controller for Air Conditioner industry, we have gradually enhanced our growth and competitiveness to provide first-class products and services to our customers. In order to respond to the development of business and the demand for talents, we explore and cultivate potential personnel. Many of our employees have backgrounds in multinational companies around the world.

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