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#1 |
Registered User
Join Date: Jan 2007
Location: Owensboro KENTUCKY
Posts: 262
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Help ac swap needs input
I installed a heat-ac unit from Limo between my front seats 72 c10 it has a block valve for refrigerant up front is r4 compressor with dryer and a dual switch pressure sensor for coolant my question is normally this system had two evaporaters up front and the rear im using do I need to make changes for not having front unit running? thought it might need sensor to shut off compressor if it becomes to cold
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#2 |
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Join Date: Jan 2007
Location: Owensboro KENTUCKY
Posts: 262
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Re: Help ac swap needs input
this mis the switch to regulate compressor
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#3 |
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Join Date: Jan 2007
Location: Owensboro KENTUCKY
Posts: 262
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Re: Help ac swap needs input
this is the unit with valve and air diverter
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#4 |
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Join Date: Jan 2007
Location: Owensboro KENTUCKY
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Re: Help ac swap needs input
the compressor
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#5 |
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Join Date: Jan 2007
Location: Owensboro KENTUCKY
Posts: 262
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Re: Help ac swap needs input
I know the trinary opens the compressor circuit to prevent low or over pressure just not shure on other wireing needed to make this work !
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#6 |
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Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,149
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Re: Help ac swap needs input
Hard to tell exactly what you need. So this is basically like a rear air unit in a Tahoe/Suburban? It has no controls of it's own? Yes, you will need some way to control the system. A stock 67-72 system has a POA valve that regulates refrigerant flow and the compressor runs constantly. Later trucks have a cycling system with an accumulator and the compressor runs on demand. It sounds like you could use a cycling switch in the line between the evaporator and compressor, but I don't know exactly how the block valve works.
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#7 |
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Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: Help ac swap needs input
Wow, Why?
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