Mounting Controller - Aprilaire 8120 Safety & Installation Instructions

MOUNTING lOCATION
fIGURE 2 – Typical basement Installation
FRESH AIR
FRESH AIR
INTAKE HOOD
INTAKE DUCT
W/SCREEN
MOTORIZED
DAMPER
OUTSIDE
WALL
FURNACE/AIR HANDLER
6
RETURN DUCT
VENTILATION
CONTROLLER
6"
AIR
FLOW
FILTER

MOUNTING CONTROllER

DISASSEMblE THE CONTROllER
Remove the knob . Remove the cover by pulling at the
SUPPLY
DUCT
bottom and swinging out and up .
HUMIDIFIER
90-948
MOUNT CONTROllER TO DUCT
After the location of the controller is selected, drill a
3/4 inch hole for the RH sensor (the RH sensor extends
from the back of the controller) .
Before removing the adhesive backing, use the
controller to mark the mounting holes and place
anchors if applicable .
Clean the mounting surface of the duct, remove the
adhesive backing from the gasket on the controller, and
secure the controller to the duct making sure to align
mounting holes and the RH sensor with the drilled hole .
Mounting to Metal Duct
Use field supplied sheet metal screws to secure
controller to duct .
Mounting to Duct board
Use field supplied screws and anchors to secure
controller to duct .
Make sure the controller sensor gasket is sealed
tightly around the drilled hole. Do not install the
controller without the gasket.
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