Heat pump system reversing valve fault detection
AssigneeHaier US Appliance Solutions, Inc.
InventorsJoshua Duane Longenecker, Austin Welch
Life of this patent
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Abstract
A method of operating a heat pump system includes performing two or more status checks of a reversing valve. Each status check includes comparing a respective set of measurements. The method further includes determining whether the reversing valve is in a fault condition based on at least one of the plurality of status checks.
Claims17
A method of operating a heat pump system, the heat pump system comprising an outdoor portion, an indoor portion, and a sealed system coupled between the outdoor portion and the indoor portion to circulate refrigerant through an indoor heat exchanger of the indoor portion and an outdoor heat exchanger of the outdoor portion, the sealed system comprising a reversing valve to selectively reverse flow direction of the refrigerant, the method comprising:
- performing a first status check of the reversing valve by comparing a first set of sensor measurements;
- performing a second status check of the reversing valve by comparing a second set of sensor measurements;
- and
- determining whether the reversing valve is in a fault condition based on at least one of the first status check and the second status check.
A method of operating a heat pump system, the heat pump system comprising an outdoor portion, an indoor portion, and a sealed system coupled between the outdoor portion and the indoor portion to circulate refrigerant through an indoor heat exchanger of the indoor portion and an outdoor heat exchanger of the outdoor portion, the sealed system comprising a reversing valve to selectively reverse flow direction of the refrigerant, the method comprising:
- obtaining a plurality of measurements from a plurality of sensors in the heat pump system;
- performing a plurality of status checks, wherein each status check comprises comparing a respective set of measurements from the plurality of measurements;
- and
- determining whether the reversing valve is in a fault condition based on the plurality of status checks.
Dependencies are inferred from the claim text.