Abstract
Carbon dioxide heat pump controller using carbon dioxide phase transition theory, in conjunction with the heat pump main controller and man-machine interface, can realize the user free on the regulation of water temperature. The carbon dioxide heat pump controller design of a human-computer interface. The control core with C8051F500 MCU as the main body of the system, has a unique memory function, including function: display module, key module, clock module, communication module, power module, and the heat pump main control board through the CAN bus. Through the experiment, the system is stable and reliable, has the features of functional diversity, humanization design, can promote household CO2 heat pump.
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