Submittal Sheet
Figure 1
Fan Proving Switch Air Sensing Tube Installation:
1. Attach the provided plastic tubing to the fan proving switch on the CAC-120 using the plastic
compression fitting on the switch.
2. Cut the exposed tubing on the CAS-3 as shown in Figure 2. Install the provided plastic Tee
and connect the tubing from the CAC-120 to the Tee.
Figure 2
Field Controls, LLC • 2630 Airport Road • Kinston, NC 28504
P/N 46188900 Rev A