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Contributor
5 Answers
- Posted on May 08, 2010
Re: Carrier 38yca030370,with copeland compressor...
How old of a unit is it? Chances are it is R-22. If it is newer than last year it may be R-410a. The unit should indicate what type, and charge (lbs/oz) on the nameplate of the outdoor condensing unit. Hope this helps.
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