How to wire a honeywell thermostat with 4 wires. The white wire connects to your heat.
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Thermostat 4 wire wiring diagram. The rh wire connects to the heating system. The yellow wire connects to your compressor. 4 wire thermostat wiring diagram a beginner s overview of circuit diagrams. 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. Here is the industry standard thermostat wire color code used for most systems. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac.
White the white wire is what connects to the auxiliary heat on your system. 4 wire thermostat wiring diagram what is a wiring diagram. The green wire connects to the fan. Literally a circuit is the course that enables electricity to. We have both a natural gas furnace and an ac unit. We have a 19 year old condo with an old carrier mercury thermostat.
Some have the common c wire while others do not. Green the green wire connects to the fan. Honeywell thermostat wiring diagram 4 wire examples the table above provides a more complete list of honeywell thermostat wiring colors and their uses. Orange this wire connects to your heat pump if you have one. A first look at a circuit representation could be complicated however if you can check out a train map you can check out schematics. Yellow the yellow wire connects to your compressor.
It shows how the electrical wires are interconnected and will also show where fixtures and components might be attached to the system. It reveals the parts of the circuit as streamlined shapes and the power and also signal connections in between the gadgets. July 25 2018 by faceitsalon. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. The basic heat ac system thermostat typically utilizes only 5 terminals. Typical 4 wire thermostat t stat wiring examples follow.
Variety of 4 wire thermostat wiring diagram. 4 wire thermostat wiring diagram sample. Both examples of how to wire a honeywell thermostat with 4 wires are discussed below. There are only four wires going into the existing thermostat red green blue white. This wire connects to your heat pump if applicable. The rc wire connects to the cooling system.
4 wire or 5 wire thermostat wiring problem question. Obtaining from factor a to direct b. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit. A wiring diagram is an easy visual representation with the physical connections and physical layout associated with an electrical system or circuit.
Gallery of Thermostat 4 Wire Wiring Diagram
