Method for operating a refrigeration unit
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United States of America Patent
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Jan 26, 2021
Grant Date -
Jun 8, 2017
app pub date -
Feb 21, 2017
filing date -
Aug 21, 2014
priority date (Note) -
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Abstract
A method for operating a refrigeration unit that includes controlling overall compressor output of the refrigeration unit having at least one state variable. The method includes operating the compressor unit either in a first mode with a first overall compressor output in which the state variable decreases or in a second mode with a second overall compressor output in which the state variable increases, wherein the first and second modes alternate. The method further includes transitioning from the second mode to the first mode when the measured state variable reaches or exceeds a first threshold, and transitioning from the first mode to the second mode when the measured state variable reaches or falls below a second threshold. The difference between the first value and the second value corresponds to the greatest of the state variable differences that result over the respective minimum duration in the first or second mode.
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