Do I have my Aprilaire Model 800 Steam Humidifier set correctly?

Thursday, September 29, 2011 by Aprilaire Team
Consumer question:

I just had my model 800 installed today. The technician went over everything regarding adjusting the level based on outside temperature. However, currently we are still using are air conditioner. Reading your manual doesn\'t clearly address this situation. Should I actually turn the humidifier off during the months that the air conditioner is running. If not, what is the best setting for the humidifier?? The tech left it at about a setting of 5-6. Thanks


Aprilaires' response:


Thank you for contacting us regarding your model 800 humidifier. Typically when the air conditioning is running, the humidifier will not be used because the natural humidity level is higher than that which the humidifier will produce. If you choose to use your humidifier year round because you live in a drier climate, you can but some of the moisture put into the air would be removed by your air conditioning system. If it is not necessary to add humidity during the months your air conditioning is running, simply turn the control knob on the humidistat to the lowest setting. It is not necessary to turn the unit off.

If the control is left in the normal range of 5 or 6 and there is not a call for humidity for 72 hours, the 800 will automatically go into a drain cycle to drain the water from the canister. However the unit will still be on and if the humidity drops below the setpoint you're asking it to maintain, the humidifier will fill the canister and begin making steam. In other words, the only time you ever need to turn the 800 off is when you change the canister. Other than that, the operation of the unit can be controlled by the humidistat.

The manual doesn't address that mainly because the humidifier will not operated during the summer months in most parts of the country. In your case, living in Utah, it is perfectly fine to leave the humidistat on the setting of 5 or 6 and allow the 800 to add humidity, if needed, year round. If you prefer not to have the unit running with the air conditioning, turn the control knob to the lowest setting.

If you have any further questions regarding this or any of our products, please feel free to contact our customer service department at your earliest convenience.

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