Thermostat wire is just a big spool of bundled color coded wires.
Heater thermostat wiring.
The thermostat can be mounted directly on the heater itself or it can be mounted on the wall so that the circuit wiring passes through the thermostat first on the way to.
Thermostat wiring and wire color chart thermostat wiring colors code.
It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit.
The 18 refers to the gauge and the 5 refers to how many individual wires are inside the cable.
One is for cool and the other is for heat hence the abbreviation rh and rc.
If you have heat and ac you ll need 18 5.
The wiring connection for both single phase 120v and 240v are same i e.
Always turn off the power before starting work.
The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral.
Two wire thermostats typically have a red and a white wire.
Green the green wire connects to the fan.
Remove a knockout in the wall can and attach the supply wire to wall can with a strain relief connector leaving a 6 inch wire lead for later use.
To wire a thermostat of this kind basic electrical skills tools and safety techniques are required.
R the r terminal is the power.
Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams.
The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal.
Unlike the low voltage thermostats that control central heating and air conditioning systems electric baseboard heaters use line voltage thermostats that are installed as part of the full voltage circuit powering the heater.
Thermostat wire comes in various weights.
For programmable thermostats and smart thermostats c wires are essential for setting a schedule or having your heat or air conditioner turn on at a desired temperature while some units can run without a c wire even brands like nest recommend having one for optimal.
Yellow the yellow wire connects to your compressor.
Route supply wire from wall thermostat to wall can.
Orange this wire connects to your heat pump if you have one.
These run from the thermostat to the furnace and control the heat in a home.
Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and cool while an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating.
The thermostat is the control device that provides a simple user interface with the internal workings of your homes climate control system.
The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat.
Color of wire and termination.
Black color is neutral while red is phase or line and the yellow green wire is used for ground earth.