Honeywell RTH5100B Owner's Manual - Page 10

Step 5. Label Old Thermostat Wires 1. As you disconnect each wire, use the enclosed wire labels to wrap a wire label around each wire that matches the letter designation. Do not allow the wires to fall into the wall opening after the wires are disconnected. 2. Remove any remaining parts of the old thermostat from the wall. OLD THERMOSTAT W Y RC G Y G RC W R R WIRE LABEL LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE M22039 When connecting the wires to the new thermostat, refer to the wire labels. Do not connect wires to your new thermostat based on the color of the wire. 69-1716 10