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07-08-2012, 08:49 AM #20
Always assume the condenser is dirty, even if it "looks" clean. Ive seen many "clean looking" condensers make alot of mud.
375 looks about right for a 30 yr old unit with 110 deg OD and 95 deg indoor.
Someone mentioned condensing temperature 40 above ambient not being right. Id have to disagree, its a 30yr old unit. Probably well under a 10 seer, which is the seer level that uses the 30 deg above ambient rule of thumb.
37 deg SH is expected at 95 indoor ambient lol. Not out of line at all.
Once you get your indoor ambient down, re-check your numbers.