How do I install the Carrier Infinity Thermostat?

Begin by turning off all power to the equipment and selecting your mounting type (recessed or surface mount). Route the thermostat wires through the mounting plastic, level it against the wall, and drill two 3/16-inch mounting holes. Strip 1/4 inch of insulation from each wire and match them to the proper terminals on the User Interface backplate according to the wiring diagram. Use 22 AWG wire or larger for normal applications, or 20 AWG for wire lengths over 100 feet. Finally, attach the Infinity Control to the mounting plastic by lining up the plastic guides and pushing it on, then turn on power to the equipment.