04-24-11, 03:45 PM | #23 | |
Supreme EcoRenovator
Join Date: Mar 2009
Location: Portland, OR
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Quote:
Ron, Thanks for dropping in... I installed a Sanyo 9000 BTU mini-split at my place and I haven't had any problems at all. There is the vacuuming down part of the install, but almost all of the units require that. Harbor freight sells a couple of HVAC vacuum pumps that don't cost too much (I bought the 2-stage model, $160 for myself... works good. If I was a pro and was doing this kind of thing for a living, I'd invest some bucks $600 in one that could stand up to relentless punishment). If you don't have a micron gauge, but you have a new vac pump and have done everything correctly, let the pump run for a couple of hours, to be certain. If you are using a used or unknown pump, you should use a micron gauge. But getting back to your question, if I was doing it over again, I'd get a Fujitsu Halcyon 9RLS (9,000 BTU) or 12RLS (12,000 BTU), because they are the most efficient to run. One thing I didn't quit appreciate is that most sales people just want to talk about the SEER rating, which is the most appropriate rating when buying an air conditioner. If you are buying your mini-split primarily for home heating, as I was, then the Heating Seasonal Performance Factor (AKA: HSPF) is the most important figure to you. You might have to do a bit of digging to find out the HSPF, but that's what you're after. Higher is better. There are a few models that advertise that no pump-down is required, because they use special connectors. I have no experience with these models, I also don't know what the efficiency rating is. The parts you'll need are:
You'll still need to supply:
-AC_Hacker As far as I can tell,
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I'm not an HVAC technician. In fact, I'm barely even a hacker... Last edited by AC_Hacker; 04-24-11 at 03:51 PM.. |
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Tags |
diy, ductless, heat pump, mini-split |
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