Air energy water heater and defrosting method thereof
An air energy water heater and defrosting technology, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of system judgment distortion, waste of resources, and easily damaged sensor chips, so as to avoid thermal shock, ensure normal use, Good defrosting effect
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[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Depend on figure 1 The circuit block diagram of the air energy water heater shown in the present invention shows that it includes a main controller, a line controller, a compressor, an external fan, an external coil temperature sensor and a four-way reversing valve. The machine, the external fan, the external coil temperature sensor and the four-way reversing valve are all electrically connected to the main controller. It also includes an external ambient temperature sensor, which is installed outdoors, that is, on the housing of the external unit of the air energy water heater, and is electrically connected to the main controller through wires.
[0027] The outer coil temperature sensor and the external ambient temperature sensor are used to detect the current external coil temperature and the external ambient temperature. Ac...
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