Rth111b Wiring. Ultimate Guide Honeywell RTH111B Thermostat Wiring Demystified Labels don't match? If a wire does not match any terminal on the thermostat, Replace your old thermostat with a new Honeywell RTH111B non-programmable thermostat (RTH111B1024, RTH111B1016) and use installation guide for the correct sequence of your actions
Page 7: Typical Wiring Non-programmable Thermostat RTH111 Connect Wires Typical Wiring Match each labeled wire with the terminal having the same letter Contents hide 1 Honeywell Home RTH111B Non-Programmable Thermostat 2 Identify System Type 2.1 Customer Assistance 3 Advanced Installation 4 Thermostat controls 5 Built-in compressor protection 6 Troubleshooting 6.1 1-year limited warranty 7 Reference: Honeywell Home RTH111B Non-Programmable Thermostat Read and save these instructions Programmable a central heating system with air conditioning — 4 or 5 wires
Honeywell Rth111b Wiring Diagram. Quick Installation Guide Connect Wires (cont'd) Alternate Wiring If a labeled wire does not match any terminal designation, see diagram. Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store
Honeywell Rth111b Wiring Diagram. Do not connect wires identified as C, C1, X or B as these If a wire label does not match a terminal designation on the thermo-stat, refer to the following illustration to find the corresponding alter-nate wire label