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Old 07-01-2004, 07:39 PM   #1
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Armstrong freon charge

78 soveriegn inter land yacht...........
Can the freon be replaced in the armstrongs with the modern r-34 gas or
r-22 or should I find r-12 to do the job with?
I may add, r-12 is getting very difficult to find and quite pricy.
The newer gas would be of a benefit because if the problem happens again it will be a whole lot easier to deal with.
I want to keep this unit as it is a rooftop freezer box!
I wish my homes AC worked as well as this almost 30 year old unit does!
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Old 07-02-2004, 05:03 AM   #2
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Welcome to the forum!

The specification tag on my '67 Armstrong specifies R-22. Do you have some reason to think your unit does not have the same?
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Old 07-02-2004, 08:52 AM   #3
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Just happened to see a Google ad at the top of this thread:
http://autocool-refrigerants.com/

Their website mentions an R-22 replacement product.

No connection, yada, yada,
Bob
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Old 07-02-2004, 12:25 PM   #4
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Can the freon be replaced in the armstrongs with the modern r-34 gas or
r-22 or should I find r-12 to do the job with?
I may add, r-12 is getting very difficult to find and quite pricy.
The newer gas would be of a benefit because if the problem happens again it will be a whole lot easier to deal with

Gino,

R-12 &r-134a are both for automotive use only. R-22 & it's replacement R-410 are for small appliances @ rv airconditioners , residential a/c , dehumidifiers, etc.

You can NOT use r-12 or 134a in place of r-22. It is a compatability point. You also can not mix different refrigerants. Again because of compatability. Your Armstrong a/c would use r-22. By EPA laws only certified refrigeration service persons may handle it.

By mixing refrigerants you not only would do serious damage to the unit but also create a mess. Serious hazard, a mixture that can not be reclaimed & possiable health injury.

These are only a few reasons this should only be handled by a licensed tech.

In short , take it to an RV service dealer!

Good luck, Loren
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Old 07-02-2004, 01:18 PM   #5
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I never looked to see what the charge was.........
I have a tech that will service the unit with r-22.....................
Thanx for the replys folks as the information was needed before we went any further.
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