Air conditioning apparatus
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United States of America Patent
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Mar 20, 2018
Grant Date -
Jun 26, 2014
app pub date -
Oct 11, 2013
filing date -
Dec 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An object is to enable the dealer or user of an air conditioning apparatus to recognize that the heat dissipation amount of a heat exchange device is less than the heat dissipation amount expected of the air conditioning apparatus. A control device detects a hot water outflow temperature being a temperature of a fluid heated by a heat pump device, and a return temperature being a temperature of the fluid before being heated by the heat pump device, and checks whether or not a temperature difference between the detected hot water outflow temperature and the detected return temperature is smaller than a predetermined first value. If the control device judges that the temperature difference is smaller than the first value, it displays insufficiency of the heat dissipation amount of a heat exchange device, on a display of a remote controller.
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