Quick techie question:
There have been a number of comments on various forums that Carrier Heat Pumps don't have demand defrost. After reading the docs. on my new Carrier Heat pump--25HNB6, 3 ton--there is a setting in the Infinty control for Auto defrost vs. a fixed time period.
I also was doing some research and found this link:
whiich is a patent some years ago awarded to Carrier for demand defrost.
Question is: what is the difference in the logic between the Auto setting on my Carrier Heat Pump and the "demand defrost" logic in say a Trane or A/S heat pump?