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02-18-2012, 08:51 AM #1Regular Guest
- Join Date
- Oct 2008
Operating derating curves unavailable.
Did not realize your industry has the same problems as mine.
Ordered a Danby DDR5011 dehumidifier fromNo naming of direct purchase sites allowed. It is rated as a low temperature unit with cut off of at 45 F.
2 replacement units later a call to Danby results in...ALL of our units are not to be operated below 60 F. No exceptions. So I asked for a derating curve due to temperature & humidity. None available.
Called another company, RETAIL rated to low temperature use. Again No curves. MIGHT get curves from manufacturer.
Guys. Is there even such a thing as a EFFICIENT 50 to 55 F dehumidifier for a 1200 SF basement ?
If none exists @ about $. I assume I am forced to select the correct sized, small office preheater & have it blow 80 to 90F preheated air to the Dehumidifier to gain efficiency.
I do redesigning of old equipment to be more efficient.
Last edited by beenthere; 02-18-2012 at 09:10 AM. Reason: name and price
02-18-2012, 09:06 AM #2
Heating the air before it goes to the dehumidifier will not help efficiency. You will lower the RH to the point the dehumidifier will not work. You need a Therma-Stor, but it is not in your price range.Remember, Air Conditioning begins with AIR.