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7Aii. FAVC Mounting
After a mounting location for controller has been selected, affi x the hole template provided with
FAVC installation kit, Figure 18 (dwg: 780101300) to return air plenum and mark the locations for
two mounting holes and sensor hole. Drill two 0.136" diameter holes in metal ductwork for securing the
controller with two #8 sheet metal screws. Drill a 1-1/2 inch diameter hole (or penetrate the ductwork
and cut a 1-1/2 inch square hole) in ductwork to allow the controller's Humidity/Temperature Sensor to
sense actual return air duct environmental conditions. The Humidity/Temperature sensor extends out from
the back of the controller plastic case. Refer to Figure 17 for exploded view of FAVC unit mounting to
ductwork.
WARNING: The controller is provided with pre-installed gasket material around the sensor.
Do not install controller without gasket seal material installed.
FIGURE 18 - Example of Template for FAVC Mounting (NOT TO SCALE)
P/N 780100700 07/18 Rev F
Ø 0.136"
DIA HOLES
Figure 17: FAVC Mounted Directly to Ductwork
Page 18 of 36
SIDE VIEW
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