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Old 09-07-2014, 08:22 PM   #1
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Frigi-cool AC specs

I did some searching and found that Frigi-cool went out of business. I have their dash AC in my 1996 Holiday Rambler Navigator (Diesel) and its in need of a charge.

Questions:

-Anyone know the correct high and low pressures for charging?
-I'm thinking 1996 would be 134A?

Thank you
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Old 09-08-2014, 04:00 AM   #2
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You are probably right about the 134a refrigerant. One way to know is the lines near the compressor will have quick connect fittings for installing gauges. The old R 12 had 1/4" flare fittings. The pressures will vary depending on the ambient temperatures.
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Old 09-08-2014, 09:48 AM   #3
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Quote:
Originally Posted by RV Wizard View Post
You are probably right about the 134a refrigerant. One way to know is the lines near the compressor will have quick connect fittings for installing gauges. The old R 12 had 1/4" flare fittings. The pressures will vary depending on the ambient temperatures.
Are the pressures the same as an automotive system? If so, thats easy to find. I wasnt sure if they were different
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Old 09-08-2014, 11:04 PM   #4
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Here are some estimated guide lines from Evans Tempcon for 134A. They should apply to yours also.
Evans Tempcon, Inc
Evans Tempcon, Inc

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Old 09-09-2014, 12:27 AM   #5
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Here are some estimated guide lines from Evans Tempcon for 134A. They should apply to yours also.
Evans Tempcon, Inc
Evans Tempcon, Inc

Chuck
Thank you. That should give me enough info to charge it
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