It terminates at your air handler or furnace.
Gas furnace with ac thermostat wiring.
Wiring a ac thermostat diagram best lennox ac wiring diagram lennox.
Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the.
The white wire connects to terminal w in industry standard thermostats.
The yellow wires underneath your thermostat connect to your compressor.
Heating and cooling equipment comes in many forms ex.
The white wire underneath your thermostat connects to your heating system.
For example if the red wire is connected to w on the thermostat the furnace should turn on.
Lennox furnace thermostat wiring diagram gallery.
Standard ac with standard furnace control wiring standard furnace standard thermostat standard a c condenser 1st stage heat white 24 volt fan only operation common air conditioning ac contactor control board 1 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system.
Turn off your existing thermostat flip the furnace ac breaker to the off position.
Lennox furnace thermostat wiring diagram collections of lennox wiring diagram collection.
Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams.
Heat pump gas furnace air conditioner air handler etc with a variety of features.
Once your c wire is ready follow these steps to install your new thermostat.
Furnace thermostat wiring diagram terminal letters on a thermostat and what they control the hot wire 24 volts usually red from the transformer is the main power wire to turn on or off a furnace components.
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 hvac equipment.
How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning system furthermore it includes a thermostat a condenser and an air handler with a heat source.
Wiring diagram for lennox gas furnace refrence wiring diagram for a.
Label where the wires are connected on the thermostat check to see if they match the industry standard listed above.