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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.
2008 9-5 Aero Sedan
2006 9-3SC 2.0T
2000 Viggen Convertible
2000 9-5lpt Sedan, sold at 318K miles
Posts in this Thread:
- OT - thoughts on this quote for central AC replacement, SS, Sun, 6 May 2018 09:00:01
- Re: OT - thoughts on this quote for central AC replacement, Dean, Wed, 23 May 2018 10:22:50
- Re: OT - thoughts on this quote for central AC replacement, Paul B., Sun, 6 May 2018 16:52:32
- I installed my own components 20 years ago, MI-Roger , Sun, 6 May 2018 16:09:34
- Re: OT - thoughts on this quote for central AC replacement, steve, Sun, 6 May 2018 12:55:07
- Lennox thru Costco, EGD , Sun, 6 May 2018 12:32:50
- Re: OT - thoughts on this quote for central AC replacement, seth1065 , Sun, 6 May 2018 10:03:41
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