Ideally, HUM is powered when both heat and fan are
energized. In this case, might not make a lot of difference
if the hum runs a few more minutes, on warm up.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"Tony Hwang" wrote in message
...

Hi,
No big deal as long as you remember humidifier comes on when
blower
runs and if humidistat calls for humidity.(so called AND
logic)
And is depending on what type of humidifier.