From Winter to Summer, what do I do with my whole home humidifier?

Monday, February 22, 2010 by Aprilaire Team
Question submitted to Aprilaire:

Outside temperature sensor was not installed because the required wiring was not installed.  Will 600A unit still operate correctly?  What do I need to do because the sensor is not installed?

For normal operation in Winter?
For shut off in Summer?


Response from Aprilaire:

Your 600 should be operating in manual mode. To know this there should be a blue "Manual Mode" clip hanging below the humidistat. When in manual mode, the unit will operate to the setting it is set at until changed. There is a reference guide to show what humidity should be present at a certain temp.. (you will want to look at pages 6-7)

Please review the guide as it will be helpful. When you use the manual mode, all adjustments will be done by you. If you ever decide to change it to automatic mode, the sensor adjusts the indoor humidity in accordance to the outside temperature.

In the summer, simply turn the damper to the "summer" position on the unit to close off air flow.


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