Honeywell CT8775A Owner's Manual - Page 8

STEP 7. WIRE WALLPLATE TERMINALS IMPORTANT All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, call your local R heating/air conditioning contractor. G ❑ Refer to the labels you placed on the wires when you removed the Y old thermostat (see illustration). ❑ Match the letter of your old thermostat wire with the corresponding W terminal letter on your new thermostat. Refer to Table 2. IMPORTANT Remove the factory-installed jumper connecting terminals R and Rc on the CT8775C Thermostat if wires will be connected to both of these terminals. ❑ For wiring diagrams, see pp 16-17. ❑ Loosen the terminal screws. Slip each wire beneath its matching terminal. Wraparound and straight connections are both acceptable, (see illustration). Tighten the terminals. ❑ Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation. FACTORY INSTALLED JUMPER M19495 FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM). FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). M19496 69-1676-1 8