Question about Honeywell Power Humidifier: Furnace Humidifier/ Humidifier

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Honeywell furnace humidifier thermostat & other

Honeywell 97-1775 [model?] humidy control type H808A10701 rating Pilot Duty, 50VA AT 24VAC, mounted on return duct

Problems:
1] humidy gauge does not go above 20 per cent no matter where I put the humidy setting
2] my furnace is putting water in my pump box & then sends it to the drain....I can not understand this because this seems to be what occurs in the summer, that is, pulling out the humidy from the house and sending the excess water to the drain

Help!!!!!!

Jim

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Sounds like to me you have a condensation pump attached to your hvac system. this can be used to pump water produced during the cooling of your house when in the a/c mode. if you have a typical bypass humidifier, you will have excess water running past the water panel and it must be sent to a drain of some kind. I would imagine the pump is being used to get your bypass water to the drain. another scenario may be that you have a 90% condensing furnace. if your exhaust pipe for the furnace is made out of pcv pipe, it is a condensing gas furnace. it will produce water when it is running. the water if from the combustion gases being condensed in the secondary heat exchanger. this is normal. some condensing gas furnaces will draw combustion air from inside the house and some will have a second pvc pipe that is used to pulll combustion air from the outside of the house. either way, it is not dehumidifying your house. the humidifier should be able to keep up if it is runnng properly. you should have water running out the bottom drain of the humidifier any time the fan on your furnace is running and the humidistat is calling for humidity. if this is not happening, it is not wired properly.

Posted on Jan 27, 2009

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