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RETURN AIR DUCT INSTALLATION
1 Locate the humidistat in the return air duct at least 12 in. up stream
prior to the humidifier or the humidifier by-bass tube.
2 Remove the backing and adhere the humidistat mounting template in
a horizontal position, make sure it is level.
3 Drill four 7/64 in. mounting holes.
4 Drill 1/2 in. hole in the center of the template and use tin snips to cut
the rectangular hole designated by the dotted lines then remove
template.
5 Remove the backing and adhere the gasket over the opening area.
6 Connect the low voltage wires to the humidistat terminals. Tuck the
wire into the recessed area on the back of the base plate.
7 Use sheet metal screws to securely fasten the humidistat to the return
air duct.
CAUTION:
∗
Mount the humidistat in the return air duct only,
installation on the warm air duct will destroy humidistat
element.
∗
Make certain the wires stay in the slot under the
mounting base.
