Vintage Air Gen II thermostat question for mounting AC unit behind seat of 1933 Ford - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-18-2011, 12:52 PM
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Vintage Air Gen II thermostat question for mounting AC unit behind seat of 1933 Ford

We have installed a Gen II Mini, 66005-VUX-A, behind the seat of a 1933 Ford three window coupe.

Controls purchased are 4 knob, Gen II Streamilne Panel, #491229.

My question has to do with the evaporator thermostat, and it's capillary tube. We would like to mount the Streamline panel on the header above the front windshield, on the passenger side. The evaporator and blower fan assembly is behind the bench seat, centered in the middle. As you can see, the capillary tube will not reach from above the front windshield, to the evaporator.


Is it possible to utilize an ambient air thermostat in series with the capillary tube thermostat, or an ambient air thermostat by itself? It appears that all the capillary tube type does is allow the compressor to be engaged, until a threshold temperature is reached with the evaporator.

Any problems with icing, that I have not forseen with omitting the capillary tube?

What do you suggest for mounting the controls in the header panel, with the evaporator behind the seat?

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Old 10-18-2011, 01:17 PM
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the capillary tube must be inserted into the evaporator for the compressor to cycle on/off.
the VA wiring diagram shows the thermostat as a single pole switch,
you could replace it with a single pole toggle switch and cycle it manually as if you always had it on the coldest setting or off.

the capillary tube does limit where you can put the controls.
i noticed that the new VA unit have no capillary tube design.
to late for both of us...
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Old 10-18-2011, 01:58 PM
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Yes, the capillary tube must be installed to use the existing thermostat, because of it's range, and yes it causes the compressor to run.

However, since that won't work by itself in this application, I was inquiring of using a different thermostat either in series, or as a substitute. It would still be controlling the compressor in the same fashion.
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Old 10-18-2011, 02:02 PM
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Why not just call Jack Chisenhall ???

He owns Vintage Air and I have always found VA to be very helpful and knowledgeable.

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Old 10-18-2011, 02:07 PM
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I left a message there a while back with their tech system, never heard from them.

Spoke with sales, they were not tech oriented.

Sent an email today, rather than phone again.
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