Multi-functional heat pump apparatus
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United States of America Patent
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Feb 2, 2021
Grant Date -
Oct 19, 2017
app pub date -
Apr 12, 2017
filing date -
Apr 13, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and related methods for heating, cooling, and dehumidifying air is disclosed. In an embodiment, the system includes an indoor unit having a first coil assembly and a second coil assembly. When the system is operating in a cooling mode or a heating mode, the first coil and second coil are in parallel fluid communication. When the system is in a dehumidifying mode, the first coil and second coil are in serial fluid communication, which enables the first coil to function as a condenser and the second coil to function as an evaporator. In an embodiment, the system includes an outdoor unit, such as a heat pump or an air conditioning condensing unit. The outdoor unit includes a heat exchanger fan responsive to dehumidifying mode by reducing fan speed, or deactivating the fan entirely. The disclosed system provides negligible or no change in sensible heat while providing dehumidification.
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