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Hire a licensed pro for some steps.... Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Mon, 7 May 2018 17:32:25
In Reply to: precharged Air-Cooled Condensing Unit, AeroEd [Profile/Gallery] , Mon, 7 May 2018 09:46:14 Members do not see ads below this line. - Help Keep This Site Online - Signup
Lots of the installation steps can be safely done by a competent DIY'er. Evacuating the coil of air using a vacuum pump, silver-soldering the line set connections, and balancing the refrigerant charge are not among them.
You asked a very valid question. The unit is identified as using R410a refrigerant but the quantity of refrigerant is not mentioned. The unit likely comes charged with an inert gas to prevent internal corrosion, rather than refrigerant.
Back in the day Sears sold the evaporator coil, line sets, and compressor/condenser units as all pre-charged. Connections were made using self-piercing threaded fittings so the entire unit could be installed by a DIY'er! The downside was that the threaded connections tended to leak and a recharge was required every 2-4 years.
->Posting last edited on Mon, 7 May 2018 17:43:14.
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Summer Fun Car 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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