5 Wire Thermostat Wiring Diagram
Green the green wire connects to the fan. Red now there can be two separate wires for this.
The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above.
5 wire thermostat wiring diagram. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. One is for cool and the other is for. 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.
This is the how to wire an air conditioner for control 5 wires thermostat wiring diagram of a pic i get from the trane air conditioner wiring diagram package. Please right click on the image and save the image. There are only four wires going into the existing thermostat red green blue white.
Back in the olden days thermostats were simple on off devices that didn t need their own continuous power supply. Orange this wire connects to your heat pump if you have one. You can save this photo file to your own computer.
In this article i am going to explain the function and wiring of the most common home climate control thermostats. This information is designed to help you understand the function of the thermostat to assist you when installing a new one or replacing or up grading an old one. White the white wire is what connects to the auxiliary heat on your system.
Yellow the yellow wire connects to your compressor. We have both a natural gas furnace and an ac unit. On the back of the thermostat are a number of labeled contacts only the following.
We also have some more graphics connected to trane air conditioner wiring diagram please see the image gallery below click. The basic heat a c system thermostat typically utilizes only 5 terminals. We have a 19 year old condo with an old carrier mercury thermostat.
4 wire or 5 wire thermostat wiring problem question. Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the. Usually the red wire is connected to the r terminal the white wire is connected to the w terminal the green wire is connected to the g terminal the yellow wire is connected to the y terminal the black wire is connected to the c terminal and the brown wire is connected to.
When it comes to thermostat wiring you will find that most models follow a set color code for ease of use. Modern thermostats with wi fi and backlit display by contrast need a steady supply of juice the c wire or common wire enables the continuous flow of 24 vac power to the thermo.
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