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AC_Hacker · 02-15-12, 10:25 AM

NOTE - mrd posted a very useful document that explains the theory of operation of an inverter-type Fujitsu mini-split in the 'R290' thread, but this discussion thread seems to be an ideal place for this information.

http://www.goductless.com/v/vspfiles...lq_service.pdf

This kind of information is vital to being able to succeed in re-purposing an inverter mini-split (air-in-air-out) into a highly efficient machine for heating water that could be used for hydronic radiant floor heating.

...now, if we can just get one for the AOU12RLS, (which is a 12,000 BTU cooling / 16,000 BTU heating unit, and also has the highest HSPF) then we'd really have something.

[EDIT] here is URL (from Internet archive) for the above unit:

http://web.archive.org/web/201010071...lq_serivce.pdf

-AC_Hacker

02-15-12, 10:25 AM	#7
AC_Hacker Supreme EcoRenovator Join Date: Mar 2009 Location: Portland, OR Posts: 4,004 Thanks: 303 Thanked 723 Times in 534 Posts	NOTE - mrd posted a very useful document that explains the theory of operation of an inverter-type Fujitsu mini-split in the 'R290' thread, but this discussion thread seems to be an ideal place for this information. http://www.goductless.com/v/vspfiles...lq_service.pdf This kind of information is vital to being able to succeed in re-purposing an inverter mini-split (air-in-air-out) into a highly efficient machine for heating water that could be used for hydronic radiant floor heating. ...now, if we can just get one for the AOU12RLS, (which is a 12,000 BTU cooling / 16,000 BTU heating unit, and also has the highest HSPF) then we'd really have something. [EDIT] here is URL (from Internet archive) for the above unit: http://web.archive.org/web/201010071...lq_serivce.pdf -AC_Hacker __________________ I'm not an HVAC technician. In fact, I'm barely even a hacker... Last edited by AC_Hacker; 02-15-12 at 10:39 AM..