Honeywell Line Voltage Thermostat Wiring Diagram

To replace an older honeywell t652 a2028 line voltage thermostat the company sells a line of replacement light duty line voltage thermostats that can match the functions and wiring of your original unit.

Honeywell line voltage thermostat wiring diagram.

Dimension t451 t651 thermostat mounting dimensions. It reveals the elements of the circuit as simplified shapes as well as the power and also signal links between the tools. This manual thermostat s versatility is increased substantially with its implementation of a 2 or 4 wire non polarized connection. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system.

Assortment of line voltage thermostat wiring diagram. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. This type of wiring requires a line voltage thermostat and is not compatible with low voltage thermostats. Learn how to pick the perfect thermostat.

The table above provides a more complete list of honeywell thermostat wiring colors and their uses. Voltage vac 120 208 240 277 full load 8 4a locked rotor 48 24 a wider temperature differential ranges can occur when used in cooling applications with current draws that are more than four amps. Dimension medium duty line voltage thermostat. 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.

C 24 vac common you might see blue purple or brown typically used for this wire. Product data and specifications product data for t451 t651 motor rated precision thermostats english. If you see wires connected to terminals labeled g1 g2 g3 you will need a thermostat capable of controlling multiple fan speeds none of our retail thermostats are compatible with this system type. Honeywell thermostat wiring diagram 4 wire examples.

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. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. The honeywell ct410b1017 manual 4 wire thermostat is a simple to install unit that s compatible with 120 240 and 227 vac baseboard systems. A wiring diagram is a simplified conventional photographic representation of an electric circuit.