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Re: HVAC R22 conversion [message #301179 is a reply to message #301166]

Fri, 27 May 2016 07:38

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

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Dennis S wrote on Thu, 26 May 2016 21:05

A Hamilto wrote on Thu, 26 May 2016 18:29
Dennis S wrote on Thu, 26 May 2016 12:27
Has anyone converted a home split HVAC system from r22 to one of the replacements, such as HC22a or M099?
Dennis
I think Matt Colie did a roof AC unit once with some success.

A residential unit would be a really bad idea. Someday a professional will work on it and will contaminate some amount of R-22 (could be a lot) when he tries to reclaim what he thinks is R-22 from the HC charged system.

Thanks for the input.

In this case it is a HVAC person giving the option of a new coil and converting to Mo99, a DuPont substitute for r22.

I have just not heard about Mo99 nor much about other substitutes.

Dennis

Dennis,

Mo99 is an alternative to R-410a that is supposed to be the replacement for R-22. It unfortunately requires opening and cleaning the system. R-410a is extremely expensive and so is facing serious resistance in the domestic market.
Why the new coil(evaporator)?
It is not supposed to require any hardware changes to achieve performance to R-22.

The HCXXX refrigerants are still facing a great deal of political pressure because nobody has a patent and so big money is cut out.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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[Message index]

		HVAC R22 conversion By: Dennis S on Thu, 26 May 2016 12:27
		Re: HVAC R22 conversion By: A Hamilto on Thu, 26 May 2016 18:29
		Re: HVAC R22 conversion By: Matt Colie on Thu, 26 May 2016 19:38
		Re: HVAC R22 conversion By: Dennis S on Thu, 26 May 2016 20:05
		Re: HVAC R22 conversion By: Matt Colie on Fri, 27 May 2016 07:38
		Re: HVAC R22 conversion By: Dennis S on Fri, 27 May 2016 10:17
		Re: HVAC R22 conversion By: roy1 on Fri, 27 May 2016 10:32
		Re: HVAC R22 conversion By: Dennis S on Fri, 27 May 2016 14:02

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