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3rd Line to Outside Compressor


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This outside compressor unit has a third copper line running underground to it. I don't know what to make of it. Is this an abandoned liquid line or something else?

At least one manufacturer (Trane I think) says running the refrigerant lines underground is a bad idea. Do you write this up?

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tn_2013128144451_047AC1.jpg

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Abandoned line from a previous installation. There is absolutely no reason for it to run 'underground.' Just laziness on the part of the technicians who installed the current unit.

I have seen this from time to time. I cannot fathom why they didn't remove the old line or why whoever is footing the bill let them get away with it.

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This outside compressor unit has a third copper line running underground to it. I don't know what to make of it. Is this an abandoned liquid line or something else?

At least one manufacturer (Trane I think) says running the refrigerant lines underground is a bad idea. Do you write this up?

Click to Enlarge
tn_2013128144435_038AC.jpg

123.98 KB

Click to Enlarge
tn_2013128144451_047AC1.jpg

109.06 KB

Click to Enlarge
tn_2013128144515_050AC2.jpg

98.61 KB

Did you kick it or pull on it?

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