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Posted by Art Todesco on March 10, 2007, 12:43 pm
EvenStephen wrote:
> Two weeks past I was asking for help on humidifier. Thanks to all for the
> help. I removed the solenoid and soaked it in white vinegar for one hour,
> cleaned out all lines, filters and connections. It did not work after I
> re-installed it. I got suspicious of the control unit near my furnace
> thermostat, and played with it again. If I set the humidifier control for
> 35 (an outside temperature of + 25 degrees)-warm for Ohio!!- the solenoid
> does not open. If I set the humidifier control for 50 (no outside
> temperature correlation) the solenoid opens and all is well. This all seems
> backwards to me? What am I missing?
That's the way it should work. 35 and
50 are relative humidity, most likely.
So when set to 50 (%) it turns on and
add moisture because the humidity is
less than 50% and greater than 35% where
it didn't operate. It's probably a good
idea to get a humidity gauge with a dial
to see what the actually humidity is in
the house.
That will also give you an idea of the
accuracy of the humidistat. At 25 degrees
outside, I usually add very little
humidity with the Aprilaire set to about
30%.
But a lot has to do with the home
insulation and how much heat you are
adding.
Before good quality window, my Aprilaire
ran most of the winter. Now, it
only runs when the outside temperature
goes below 20 degrees, and pretty
intermittently at that.
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