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Originally Posted by dannmarr
Beav, I did not imply that the expansion valve controls the compressor, just the flow of refrigerant. If the expansion valve doesn't work, then no refrigerant will flow to the compressor. How can the compressor engage without any refrigerant going to it?  |
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Originally Posted by danmar
The expansion valve (orafice tube) controls the flow of refrigerant. If it's not working then the compressor would not go on.
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The TXV has absolutely nothing to do with the compressor 'going on', flow has nothing to do with the compressor 'engaging'. However there are pressure switches that can prevent the compressor from cycling when the pressures are too high or too low. Some systems have a evaporator temp switch that will shut the compressor off to prevent evaporator freeze-up. The TXV does none of these things.
No big deal, I was just trying to provide clarity.