[Greenbuilding] One more question on AC

John Straube jfstraube at gmail.com
Wed Jul 10 08:45:43 MDT 2013


Yeah, most of the Fujitsu units will run down to 3 kBtu.  The 9 KBtu through 15 kBtu/h RLS2 line all have a minimum of 3.
Has to do with the minimum refrigerant entrained oil flow requirements of rotary compressors.

On 2013-07-10, at 10:04 AM, Alan Abrams <alan at abramsdesignbuild.com> wrote:

>  <and I think Alan may have made a mis-type.  Would be news to me that Carrier makes anything that modulates that low!! >
> 
> thanks, John, for the correction--actually, I had the numbers correct--but I was confusing the Carrier with the Fujitsu 18RLFCD, which is rated from 20,100 Btu all the way down to 3,100 Btu on the cooling side...see:
> 
> page 25 of
> 
> https://mail-attachment.googleusercontent.com/attachment/u/0/?ui=2&ik=66e78abeec&view=att&th=13f1ae222cdef174&attid=0.1.1&disp=inline&safe=1&zw&saduie=AG9B_P9jftP7r9TKUAIQM_HbTdkC&sadet=1373463352850&sads=f87hgXcs7pS_zEBDGcJj8kBzyrU&sadssc=1
> 
> (a shout out goes to John Semmelhack for his recommendation of this equipment)
> 
> AA
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John Straube
www.JohnStraube.com




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