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Fan Proving Switch Air Sensing Tube Installation:
Attach the provided plastic tubing to the fan proving switch on the CAC-120 using the plastic
1.
compression fitting on the switch.
Cut the exposed tubing on the CAS-3 as shown in Figure 2. Install the provided plastic Tee and connect
2.
the tubing from the CAC-120 to the Tee.
Figure 2
