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Old 01-30-2009, 06:27 PM   #1
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Humidifier help

I installed a new drum humidifier on my furnace about 2 months ago.I can't get the humidity above 25%.It used to have a different type (aprilaire)and was connected to the furnace mother board but after having that replaced , the wiring wasn't reconnected because my old humidifier didn't work, how do I connect humidifier to only run when furnace runs?How can I get the humidity up in my house?


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Old 01-30-2009, 06:32 PM   #2
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Humidifier help

If it uses 24 volts then hook it up to the W and C terminals on the motherboard. Make sure the bypass damper is open and the pan full of water and sponge clean.


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Old 01-30-2009, 08:03 PM   #3
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Humidifier help

Make sure you do not have a thermostat with a heat anticipator if connecting W and C. The added load wii make the furnace cycle wacky. Digital stats are ok.
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