METHOD AND SYSTEM FOR CONTROLLING HEAT PUMP WATER HEATER
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United States of America Patent
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app pub date -
Aug 4, 2015
filing date -
Dec 12, 2014
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Abstract
The present disclosure provides a method and a system for controlling a heat pump water heater. The method includes: receiving a turn-on instruction; detecting the current temperature of the water in the water tank and the ambient temperature; acquiring a turn-on temperature difference according to the set temperature of the heat pump water heater and the ambient temperature, and acquiring a turn-on threshold according to the turn-on temperature difference; determining whether the current temperature is less than the turn-on threshold; if no, maintaining the current state; and if yes, controlling to enable the heat pump system to heat the water in the water tank.
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