Lots of water running down the drain tube, is that correct?

Thursday, June 28, 2012 by Aprilaire Team
Consumer question:
 
I had a model 700 Aprilaire humidifier installed yesterday and have a couple of questions;

1) it seems to have a lot of water when running coming out of the drain tube, is that normal?
2) I had to install the hunidifier on the return side becuase there was no room on the feed side of the furnace. I put the thermostat on the return side also but the reading goes way up and then back down when its operating when it kicks on and off. Should I put the thermostat on the feed side so its not on the same side as the humidifier? Its running in manual mode right now, I have to run the sensor outside adn my basemnet is finished so thats going to be a challenge.

 
Aprilaires' response:
 
Thank you for choosing the Aprilaire line of humidifiers for your home comfort system.
 
The amount of water that is discharged down your drain should be approximately 3 gallons per hour. Your description of the extreme humidity swings when the unit is cycling on and off lead me to the conclusion that the humidifier control may be mounted too close to the humidifier, or is mounted between the humidifier and the furnace, allowing for the humidifier output to affect the sensing of the control. It is recommended , in the installation guide that the control should be mounted at least 6" upwind of the humidifier.

If you have other questions regarding your Aprilaire 700 humidifier, please contact us at the number below. We appreciate your business.

Comments for Lots of water running down the drain tube, is that correct?

Tuesday, January 29, 2013 by David:
What if there is no room for the humidistat to be 6 inches up flow from humidifier

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