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Registered
Join Date: Jun 2004
Location: Chicago, IL
Posts: 235
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A/C Switch Bypass - Ideas?
Well, I've now twice buggered-up that funky electro-mechanical temperature control diaphragm "switch" for the A/C while trying to install it. So, I'm considering just bypassing the darned thing.
Since the A/C, even with upgrades, is unlikely to actually produce more cold than I want, I really don't care about the temperature control aspect of the thing. So I was thinking, why not just install a switch (maybe a rotary switch with the stock knob mounted on it). I could then stick a thermostatic switch at about 40 degrees in the evaporator core so I don't freeze the evaporator. Any ideas? Anyone know where I can get a closed-above-40 thermostatic switch?
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Phil 89 930 Slate Grey/Black K27 B+B 1 Bar shaved gutters backdated to opening vent windows |
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12-06-2004, 05:56 AM
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Registered
Join Date: Dec 1969
Location: Lac La Biche, Alberta, Canada
Posts: 951
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Phil:
My switch was also buggered up, so I tried putting a simple on-off switch in like you suggested. The problem I encountered was the evaporator would freeze up. I ended up finding a generic switch identical to my original, but with a little longer capillary tube for around $50. Tim
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1986 911 Cab 2008 Audi A6 |
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12-06-2004, 09:17 AM
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Join Date: Jun 2004
Location: Chicago, IL
Posts: 235
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Exactly my concern, which is why I would use an electrical switch in the evaporator that would shut off the A/C at about 40 F.
Where did you find your replacement switch?
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Phil 89 930 Slate Grey/Black K27 B+B 1 Bar shaved gutters backdated to opening vent windows |
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12-06-2004, 09:41 AM
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Registered
Join Date: Dec 1969
Location: Lac La Biche, Alberta, Canada
Posts: 951
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I found it at an automotive A/C shop. I think it was made for an RV air conditioner.
Tim
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1986 911 Cab 2008 Audi A6 |
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12-06-2004, 10:00 AM
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