The Ghost in The Machine wrote:
On May 30, 11:57 pm, Sam Takoy wrote:
Hi,

In my thermostat there is a slot marked "Fan" and there are two wires in
that slot. How come? Why would a fan need two signals?

Thanks!

Sam

TWO SIGNALS???
THIS IS CLEARLY A FAILURE TO COMMUNICATE.
WHEN YOU FIGURE IT OUT.......DON'T BE TOO HARD ON YOURSELF.
BOOWAHAHAHAHA
TGITM

http://www.youtube.com/watch?v=VWiVtoRAgCo&NR=1