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. The table above provides a more complete list of honeywell thermostat wiring colors and their uses.
M32169a remove jumper between r and rc if you have wires on both r and rc.
Honeywell wiring diagram. Honeywell thermostat wiring diagram 4 wire examples. If this is. In those cases e isn t used.
Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Place a jumper piece of wire between y and. 5 connect wires alternate wiring if labeled wire does not match any terminal designation see diagram below.
The th6320u2008 model can be configured for separate aux and e. Th6210u model cannot do aux heat lockout. Do not use b wire if you already have 0 wire.
In our case our new honeywell rth9580wf t stat has identically spaced holes to our old thermostat. 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 smart thermostat wiring.
Honeywell thermostat wiring diagram wires. Honeywell thermostat rthb wiring diagram. It doesn t control cooling and because it s a mechanical thermostat it doesn t need power for internal functions so it has no c wire.
Do not use c c1 or x wire. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.
Most heat pumps share the same set of heat strips for aux and em heat. Wiring centre 31 re binding of wireless products 32 34 opentherm 34 other information training and further information 35 these wiring diagrams are for guidance only and at the time of publication represent the latest information available to us from other manufacturers. Contains all the essential wiring diagrams across our range of heating controls.
At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 3 wire application as a spdt single pole double throw switch such as used to control low voltage motors electric radiator valves zone valves. Wrap bare end of wire with electrical tape. Other thermostats have fewer wires.
Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. Honeywell reserve the right at any time and without notice to change any. C 24 vac common you might see blue purple or brown typically used for this wire.
Install the honeywell lyric thermostat like a pro. If lockout of aux heat on high outdoor temperature is required wire c7089u1006 to the two s terminals. The honeywell home trademark is used under license from honeywell international inc.
Make sure you have holes in the wall that line up with the holes in the new wall plate. Prepare for mounting the new thermostat s wall plate. 3 wire spdt honeywell t87f thermostat wiring diagram.