I was worried about my Den Sanyo drain hose freezing up..
It's only 1/4" ID hose..
http://ecorenovator.org/forum/16535-post6.html
Because, when it's really cold and frosty on the HX, I will set the Sanyos
to Dehumidifier mode, to transfer some heat to the outdoor HX, to melt the ice.
So, while in Dehumidifier mode I expected some water would accumulate
indoors and drain outside into the 10F hose and freeze up the 1/4" hose.
Which should lead to water dripping out of the pan and down the wall indoors..?.
Nope, that has never happened..
Manual Defrost Mode doesn't make a mess..