Water heater water supply system with rear circulating pump and control method
A technology of water supply system and circulation pump, which is applied to fluid heaters, lighting and heating equipment, etc., which can solve the problems of freezing cracks, waste of water resources, inconvenience, etc., and achieve the effect of preventing freezing cracks and reducing waste
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[0033] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0034] Such as Figure 1 to Figure 5 As shown, a water heater water supply system with a post-mounted circulating pump includes a casing 1, a heat exchanger 2 and a burner 3 for heating the heat exchanger 2 are arranged inside the casing 1, and a There is a cold water inlet 11 and a hot water outlet 12 communicated with the heat exchanger 2, and it is characterized in that a circulation pump 4 is arranged on the pipeline communicating between the water outlet of the heat exchanger 2 and the hot water outlet 12, The housing 1 is also provided with a controller 5 electrically connected to the circulation pump 4 and the burner 3 respectively.
[0035] Such as Figure 1 to Figure 5 As shown, in this embodiment, the water inlet pipe of the heat exchanger 2 communicates with the cold water inlet 11. An inlet water temperature sensor 6 and a water flow sens...
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