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08-01-2005, 07:40 PM
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#1 |
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Registered User
Join Date: May 2004
Location: Chandler, AZ
Posts: 519
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Evaporator Freeze Over?
On the way back up to Phoenix from Tucson I noticed my A/C airflow seemed restricted and the temp from the center vent was 57 F. After turning the unit off for a while, a lot of water drained off and things were OK again. Am I correct in deducing that my evaporator froze over? If yes, I have a control knob on the thermal switch on the evaporator. It was set low enough for air from the center vent to come out near freezing. I now have it set so that lowest air temp from center vent is 44 F. (at 90 F ambient, very humid) Is there a rule of thumb for lowest vent temp you can go and still avoid freeze over?
Thanks. PS This is an Old Air Unit.
__________________
 69 C-10 LWB, 350, 700r4, 3.73 posi-traction, front disc brakes. Built for the desert- She can take the heat! Vivat Rex Chevus! 
Last edited by Zonaman; 08-01-2005 at 07:40 PM. |
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08-02-2005, 12:54 AM
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#2 |
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Registered User
Join Date: Sep 2004
Location: Pierre SD
Posts: 1,533
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I would seem that you are on the right track. You may also know that a freon overcharge can cause this also. The thermal switch setting sounds best to me right now.
At least your getting a bump...
__________________
I think the world needs a drink...  Help somebody...If you can....VanZant We're not wrong, we're not sorry, and its probably gonna happen again. That's the truth about men. Tracy Byrd  Member# 13924 '70 c10, 350/350 '68 c10 250/4spd '68 c10 no eng/trans fac ps/pb/ac/at (future father/sons project) '48 Chevy Loadmaster |
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