Wall plate for a 4 wire smart thermostat installation. White the white wire is what connects to the auxiliary heat on your system.
Thermostat Signals And Wiring
Four wire thermostat wiring diagram. Wellborn variety of 4 wire thermostat wiring diagram. This wire may be red without an h attached in some cases. This wire connects to your heat pump if applicable. Literally a circuit is the course that enables electricity to. We have a 19 year old condo with an old carrier mercury thermostat. Honeywell thermostat wiring diagram 4 wire.
The rh wire connects to the heating system. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolwhile 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. References for 4 wire thermostat wiring color code. It shows how the electrical wires are interconnected and will also show where fixtures and components might be attached to the system. We have both a natural gas furnace and an ac unit. A wiring diagram is an easy visual representation with the physical connections and physical layout associated with an electrical system or circuit.
A first look at a circuit representation could be complicated however if you can check out a train map you can check out schematics. Commonly used green white yellow and red thermostat wires. Obtaining from factor a to direct b. Green the green wire connects to the fan. 4 wire thermostat wiring diagram what is a wiring diagram. 4 wire or 5 wire thermostat wiring problem question.
A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit. This one uses the green wire as the c wire instead of the g fan wire. The rc wire connects to the cooling system. October 18 2018 by larry a. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac. The blue wire on the thermostat is the common or c wire.
Yellow the yellow wire connects to your compressor. It reveals the parts of the circuit as streamlined shapes and the power and also signal connections in between the gadgets. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. Orange this wire connects to your heat pump if you have one. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. 4 wire thermostat wiring diagram a beginner s overview of circuit diagrams.
Honeywell thermostat wiring diagram 4 wire. There are only four wires going into the existing thermostat red green blue white. The basic heat ac system thermostat typically utilizes only 5 terminals. Tuned the targeting for 4 wire thermostat wiring color code removed ad code and added tags.
Gallery of Four Wire Thermostat Wiring Diagram
