Honeywell CT3650 Owner's Manual - Page 8
Step 4. Wire Wallplate Terminals
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STEP 4. WIRE WALLPLATE TERMINALS IMPORTANT All wiring must comply with local codes and ordinances. If unsure about household wiring procedures, call your local heating/air-conditioning contractor. Refer to the labels you placed on the wires when you removed the old thermostat (see illustration). ❑ Match the letter of your old thermostat wire with the corresponding terminal letter on your new thermostat. Refer to Table 2. ❑ Remove the factory-installed jumper connecting terminals R and RC if wires are connected to both of those terminals. ❑ For wiring diagrams, if needed, see pp 21-22. ❑ Loosen the terminal screws. Slip each wire beneath its matching terminal. Wraparound and straight connections are both acceptable, (see illustration). Tighten the terminals. FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM). FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM). Y G R W M16425 M4826 ❑ Plug the hole in the wall with insulation to help prevent drafts from adversely affecting thermostat operation. 69-1285-2 8