Old Honeywell Thermostat Wiring Diagram
It s used for systems that don t provide a c wire but have a thermostat that requires one.
Old honeywell thermostat wiring diagram. Install the honeywell lyric thermostat like a pro. Honeywell thermostat rthb wiring diagram. Honeywell thermostat wiring diagram 4 wire examples. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans.
The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system. Keep in mind that there should be a low voltage cable in the wall where the thermostat is located which has individual wires as shown in the instructions below. At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 2 wire application controlling a gas fired heating appliance. Yellow the yellow wire connects to your compressor.
Strip the wire insulation as needed to fit the wires underneath the ter minal screws. Never attach wires to both the b and o terminals. Green the green wire connects to the fan. 4 wire honeywell thermostat wiring diagram a pcb layout is the resulting design from taking a schematic once specific components and determining how they will physically be laid out upon a.
Honeywell wire saver modules combine the y and g wires to form a single k wire that connects to the k terminal on some honeywell thermostats. C 24 vac common you might see blue purple or brown typically used for this wire. Orange this wire connects to your heat pump if you have one. 8 through 13 wiring diagrams.
The honeywell home trademark is used under license from honeywell international inc. In the honeywell t87f thermostat series the single pole double throw switch makes closes one set of contacts when the temperature falls to turn on the heating appliance. Also see these other honeywellt87 wall thermostat wiring diagrams honeywell wall t87 f type thermostats for sketches and drawings of honeywell thermostat wiring hookups. Wiring details troubleshooting for the honeywell 5 2 day programmable thermostat rth2300b1012.
Red now there can be two separate wires for this. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. Our page top sketch courtesy of honeywell controls illustrates the wiring diagram for a traditional honeywell t87f thermostat used for 2 wire single pole single i am trying to wire an rth series honeywell thermostat and i followed what i believe is the correct wiring diagram but nothing is kicking on.
White the white wire is what connects to the auxiliary heat on your system. Wire the thermostat 1.