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Old 04-05-18, 06:58 AM   #4
Lurking Renovator
Join Date: Mar 2018
Location: the Netherlands
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I don't think so. The medium should still be in gas state after the evaporator. With the mechanical valve, the sensing bulb is the same temperature as the medium line at that point, its mechanically joined. If the medium in the line is still a liquid after the evaporator, it will also be a liquid in the sensing bulb. With the medium in the sensing bulb giving less counter pressure to the valve spring, less medium will pass through the valve and this is how the system steers itself. My system will need both a temp and pressure sensor in that position and look up the values in a table.

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