Compressor and fan staging in heating, ventilation, and air conditioning systems
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United States of America Patent
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Jun 2, 2020
Grant Date -
Dec 27, 2018
app pub date -
Apr 3, 2018
filing date -
Jun 21, 2017
priority date (Note) -
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Abstract
The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit including a first refrigeration circuit having a first compressor and a first condenser, a second refrigeration circuit having a second compressor and a second condenser, a first fan configured to generate airflow over the first condenser, a second fan configured to generate airflow over the second condenser, an evaporator common to the first refrigeration circuit and the second refrigeration circuit, and a controller configured to control operation of the HVAC unit according to an active staging operation of a plurality of staging operations, wherein the plurality of staging operations comprises at least three stages of operation in which each of the first and second compressors individually operates in a selection of at least two compression settings and each of the first and second fans individually operates in a selection of at least two speed settings.
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