Field Controls COMBUSTION AIR CONTROL CAC-120 - Manual (Page 2)

page 2
Wire the controls in accordance with the National Electrical Code, manufacturer’s recommendations and/
or applicable local codes. UNIT MUST BE GROUNDED. Check ground circuit to make certain that the unit
has been properly grounded. The wiring should be protected by an overcurrent circuit device rated at 15
amperes. CAUTION must be taken to insure that the wiring does not come into contact with any heat source.
All line voltage circuits MUST be wired in accordance with the National Electrical Code for class one wiring
or equivalent methods.
Remove one knockout from the junction box on the fan proving switch side. Install line voltage power 1.
supply wires to the CAS unit as shown in Figure 1.
Remove one knockout from the side of the junction box opposite the fan proving switch. Run line voltage
2.
wiring to the appliance controls as shown in Figure 1.
Insert the 120 VAC relay into the base on the CAC-120 and secure with the retaining clip.
3.
Install the junction cover and secure with the 4 provided sheet metal screws. 4.
Wiring:
Figure 1