Thermostat wiring diagram 6 wire

Thermostat wiring diagram 6 wire. Finally, the diagrams are also tested and approved by professionals, so you can be sure that you’re getting accurate wiring information and a safe wiring job. Make sure the base is secure in place and connect the wires. Y – Yellow wire: This wire connects to the compressor of the air conditioning system. Using 4 wire thermostat wiring is common for systems with basic heating and cooling, usually a system with a gas furnace indoors and a condensing unit/AC outdoors. 3314448. com; Size: 267. The B wire on your old trane thermostat is commonly used as the C-wire, which stands for “common” wire. Note Check out multiple thermostat wiring diagrams as well as in depth video explanations on accurately wiring thermostats for various types of HVAC systems! Web 6 wire thermostat wiring diagram. Install the new thermostat. Attach the thermostat faceplate and turn the power back on. The input side connections include the power (L1) and ground (L2), while the output side has the heating (H1 and H2) and cooling (C1 and C2) connections. Red +12v, blue grnd, grey fan speed/auto, green heat, white fan, yellow cool. Read also: 6 wire thermostat wiring diagram. Mar 17, 2023 · Y – Yellow: Cooling Mode. To help everybody out, we are going to explain exactly what the W2 wire thermostat is. Oct 30, 2016 · How to Wire a Thermostat with no C-Wire. You will need the screwdriver to unscrew the two covers to access the wiring. Square: Represents an outside ground connection. Remove old thermostat but leave wallplate with wires attached. Orange – This wire connects to your heat pump (if you have one). The 6-wire system is composed of two red wires, two black wires, and two yellow wires, each of which serves a different purpose. Wire the smart thermostat to the correct terminals. Generally, RV furnace thermostats feature two sets of wires, and each set controls different parts of the system. Video Button 3. Wall Anchors and Screws: If needed, wall anchors and screws can be used to secure the thermostat to the wall. Blue wire is the common wire (common wire can be of any other color) 6 Wire Thermostat Wiring Diagram. Most of the process is about following safety procedures and avoiding common mistakes. May 26, 2023 · The 4 wire thermostat wiring color code is simple, one of the easiest thermostat wiring diagrams of any type. 2 . [8] 10. White: W terminal – Brings power to the heat relay. Oct 15, 2017 · Mark the cable that came from the thermostat location to the relay with a tape flag, then stick both cables through one of the holes in the relay box. Typically the connections are made as follows: Terminal 01 is usually ground, taking a black or blue wire to the camper's 12-volt neutral system. Make sure the wires are securely tightened to ensure a good connection. This thermostat cannot be used if your old thermostat had any two of the following wires: R, RC, RH, 4 and V. Nest Thermostat Wired - Click to Enlarge. The 24VDC or AC input digital thermostat features a heat/cool setting. Before you begin wiring your Honeywell thermostat, it’s important to understand how the wiring works. This is important for safety reasons. Before beginning the wiring process for your 2 wire thermostat, make sure to turn off the power to your heating system. Label and disconnect 6 Alternate Wiring If a labeled wire does not match any terminal designation, see diagram below. First, you have to TURN OFF the furnace. Print the cabling diagram off and use highlighters to trace the circuit. Feb 11, 2022 · Disconnect the wires. Terminal 03 is usually hot, taking a red wire from the RV's 12-volt coach system. 6 Remove any jumpers A jumper connects one terminal to another terminal. Triangle: Represents a neutral wire connection. IAnd if the system doesn’t turn on heat, the problem is not with the thermostat. Feb 9, 2022 · Your wiring will match one of the options below. Direct cool refrigerator and no frost refrigerator wiring is different but if we talk about fridge thermostat wiring diagram and connection, so the same in both. Two pencils or pens. To properly read a wiring diagram, one has to know how the components within the method operate. And now you are ready to install and set up the thermostat itself. 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) G - Green Wire (Controls Fan ON-Auto) The diagram shows how the wiring works. A small paper bag and some masking tape. Upon one, I’ll trace the current circulation, how it Get a discount on a Sense Home Energy Monitor using code BENJAMIN here: http://store. Carefully attach the thermostat to the wall and make sure the mounting screws are secure. Refer to the wiring diagram for your model and organize the wires accordingly. Step 3: Capture a photo or create a wiring diagram for reference. One is for cool and the other is for heat, hence the abbreviation “RH” and “RC”. Remove any anchor screws and the backplate of the existing thermostat. Sep 23, 2023 · Name: honeywell rth2300 rth221 wiring diagram – 2 Wire Thermostat Wifi How To Wire A Honeywell Thermostat With 6 Wires Thermostat Wiring Honeywell 4 Wire Thermostat Wiring Diagram Honeywell Thermostat; File Type: JPG; Source: mobiupdates. G – Green: This wire controls the blower motor in the furnace. Green – The green wire connects to the fan. R – Red: 24 Volt Power – Your air handler is powered by 110V, but it is converted to 24V for the thermostat. In 2023, understanding how to wire a Honeywell 6-wire thermostat is a valuable skill. Nov 6, 2023 · Here are the common wire color codes and their functions: Red: R terminal – Provides 24V power to the thermostat. You won’t have to worry about the safety of your RV’s Nov 8, 2022 · November 8, 2022. Jan 23, 2023 · To achieve this simple. Yellow from thermostat goes onto red and red from thermostat goes on red or brown wire if you are a a brown wire. Insert the stripped harness wires into the thermostat terminals according to your wiring diagram. Most single pole thermostats have only two wires: one for the power supply and the other for controlling the heating system. Compared to the wiring diagram provided by Mysa, the smart thermostat manufacturer, mine differs and I am asking for help. Find the different wires that are connected to the 24 Volt Alternating Current (VAC) transformer. Check Details Oct 26, 2017 · RV furnace thermostat wiring diagrams can vary from model to model, so it’s important to read up on the specific diagram for your furnace before attempting any repairs or maintenance. Wrap bare end of wire with electrical tape. Y2-Wire - connects to Y2 terminal and is for cooling stage 2. 38 KB; Dimension: 982 x 768 Jul 13, 2022 · The Honeywell Wifi Thermostat Rth9585wf Wiring Diagram labels each connection and makes it easy to identify which wires go where. High voltage wires How to install your Honeywell Home T5+ or T9 Smart Thermostat. The first which holds the mercy and the second where the actual wiring is. 014 6/18 (french 3314985. Honeywell Heat Pump Thermostat Wiring Diagram Rth6350 Search Best 4K This setup uses a red wire for the power source, a white wire for the. Connect a labeled wire only to a matching lettered terminal . W, W1, W2: Just like the Y wire, the W helpful reference when wiring your thermostat. Coleman rv thermostat wiring color code. a Starting with the C Wire, match the sticky tag on the wire to the terminal labels. (1 on the honeywell). If thermostat is configured for a heat pump in the Installer Setup, configure changeover valve for cool (O-factory setting) or heat (B). Thermostat wire color meanings are standardized. I know I have a 240v system in my house, with 6 wires (3 sets) coming into the gang box for the thermostat. About your new thermostat SETUP WIRING ASSISTANCE TROUBLESHOOTING Connect wires: Heat Pump 1. The following table shows the Nov 16, 2022 · Step 1 – Identify the wires. That will power the relay, contactor, or complete the circuit in the circuit board. Probably the blue. Typically, you don’t connect to the W2 terminal in 3-wire, 4-wire, 5-wire, or even 6-wire thermostats. Then align the Amazon Smart Thermostat faceplate with the wall plate and press together gently until it clicks into place. You must have a C wire. Mount the baseplate of the smart thermost at to the wall using the provided screws. Yellow – The yellow wire connects to your compressor. Your heater needs W and C. A pair of needle-nose pliers. Video Button 2. Connect the wires. Do not use B wire if you already have O wire. W-Wire - connects to W terminal and for heat stage 1 with the white wire. A: An RV thermostat wiring diagram 6 wire usually includes the six wires, each designated by a specific color, along with their corresponding terminal connections. Sep 27, 2021 · Use the installation steel and trim plate and place the Nest base into place. Mount the thermostat base on the wall using the screws included with the thermostat. It includes an automatic on/off fan with no manual control over high or low speeds. Begin by installing the base first. You can also refer to this page for extra help. C – Blue: Common wire for continuous 24 volt power from the thermostat to the air handler. Page 4: Wiring Diagrams These four wires are usually connected to a 24-volt transformer, which provides power to the thermostat. a high level for extremely hot or cold days, and a low level for mild days). 1Turn Off Power to Heating/ Cooling System. Next, determine which wire goes to which terminal on the thermostat. Finally, identify which wires go to the heating, cooling, and fan systems. W Heat control (usually this is the white wire) In most thermostat wiring hookups the white wire is used to switch heat on or off from the thermostat. Also used for the second power wire from a dual transformer system. Aug 3, 2023 · Understanding Honeywell Thermostat Wiring. 2. . 1 . 1H/1C Conventional Gas/Oil/Electric Forced Air System (1 transformer): R wire - Power [R+Rc joined by jumper] Y wire - Compressor contactor. You must get your own custom wiring diagram with our Compatibility Checker. Thermostat wiring diagram rv digitalThermostat rv wiring diagram dometic november Wiring capacitor thermostat rv dometic hvac 2020cadillac. Note: If you have an R, Rc or Rh wire, you can put it into the R connector on the Nest Thermostat. Start by carefully removing the cover of your thermostat to access the wiring terminals. Note: You will connect a wire to the W2 terminal in very limited and specific cases. Here’s a guide to help you identify the 4 wire thermostat wiring color code: Step 1: Turn Off the Power. Green wires. Thanks. Jan 22, 2024 · Honeywell wiring thermostat wires 1005 tomstek connected thermostats successfullyThermostat wiring honeywell diagram heat manual installation color wire pump wires old schematron colors guide thermostats heating connection terminals room Wiring a honeywell room thermostatHoneywell wiring diagram thermostat programmable non digital thd pro relay Aug 5, 2021 · Here is a list of the most common symbols found on the Dimplex Double Pole Thermostat Wiring Diagram: Circle: Represents a hot wire connection. Disconnect wires and remove base. 15 KB. Understanding the wiring diagrams and diagrams of the Honeywell 6-wire thermostat can help you in troubleshooting and installing the thermostat. Oct 10, 2023 · Thermostat oreoRv thermostat wiring color code 6 wire thermostat wiring diagram : i have a yellow wire going to y andHoneywell thermostat wires i3. Apr 30, 2023 · Take a picture of the wiring on the old thermostat. The new thermostat has 4 wire connector slots grnd, +12v, A and B. 4. This allows you to create a C wire using the existing thermostat wiring by combining the functionality of the Y and G into one wire. , red for power, white for heat). If it is not being used, label that unused wire with an empty sticker label. The O wire will typically go on the O/B terminal of your new thermostat. Once you have done this, you can now do the following: Open the furnace and locate the motherboard –this is a board that has transistors, capacitors, and a couple of wires, among other Apr 23, 2019 · That's your permanent live. Controls electric heat strips or a gas valve in furnaces. 69-2487ES—01 2 Advanced Installation Guide. Using a screwdriver, connect the wires according to the wiring diagram. Wiring Diagram: It is important to have a wiring diagram specific to the Duo-Therm Comfort Control Thermostat, as this will guide the installation process and ensure proper connection of the wires. Mar 17, 2023 · G – Green: Fan – this is for the blower in the air handler. If you have a W2, Y2 or O/B wire, you can put it into the * O/B connector, if needed. W2: W2 - second stage HEAT or if heat pump, auxiliary / backup heat control : W3: W3 - third stage HEAT or 2nd stage of 2-stage auxiliary / backup heat : X : C - common 24VAC power used to power Jan 12, 2024 · Unused wire: Identify if the wire is also unused at the control panel. Usually receiving a red wire from the 12-volt coach system of Nov 21, 2020 · With Rv Thermostat Wiring Diagram 6 Wire, the wires are easily identified so you know exactly what you’re dealing with. Video Button 4. sense. One trick that We 2 to print out a similar wiring plan off twice. Note, make sure that heating is selected to ON at the programmer or you will get zip. Red wires: Rc and Rh. It includes the wiring for the power supply, the control board, the temperature sensors, and the thermostat itself. Step 4: Identify wire functions (e. The diagram will indicate which wire goes to which terminal. Web The Wire Saver Is Designed To Be Used With Applicable Thermostats In Which A 24V C Wire Is Required But The Homeowner Does Not Have A C Wire Connected To Their. RH-Wire - connects to RH terminal RH heat. Orange wires. The six wires are: red (power), blue (common), green (ground), yellow (front fan), white (rear fan) and black (auxiliary). Wiring Details: The thermostat uses 1 wire to control each of your HVAC system’s primary functions, such as heating, cooling, fan, etc. If you do not see your wiring listed, we recommend using our on-line compatibility checker. Finally, it will feed it with 24 volts, provide power to the thermostat, and when the thermostat calls for heating or cooling, provide everything with control power. White wire for heat. The most common colors used in thermostat wiring are red, yellow, green, white, blue, and black. Make sure the R terminal switch is in the up position. Connecting Your Wires Reference the Detailed Wire Diagram on page 23 to identify your wiring diagram and set-up information . Put together the the Y, G and R H wire. Test the thermostat by causing the furnace and air conditioner to come on at various temperatures. Rectangle: Represents a thermostat connection. 10. A small level. If two or more wires are the same color, you won’t be able to tell them apart at the other end. I am not sure what wires the grey, yellow,white or green go to the new thermostat in slots AandB. It may look like a small staple or even a colored wire and must be removed 1. Honeywell 6 Wire Thermostat Wiring Diagram. E – White (optional): Emergency Heat. Feb 9, 2024 · If you have any doubts, request professional thermostat installation. Check Details. In accordance with your wiring schematic, connect the thermostat terminals with the stripped harness wires. Turn the electricity back on to the furnace and air conditioner. Before proceeding with any wiring work, make sure to turn off the power to your HVAC system at the circuit breaker. Nest thermostats also use 4 wires along with ecobee, some Honeywell Wiring Details: The thermostat uses 1 wire to control each of your HVAC system’s primary functions, such as heating, cooling, fan, etc. Before you turn off the power, make sure each wire coming to your thermostat is a different color. Incompatible wiring. Incompatible wires: Stranded wires are not compatible. Replacing a Colman. Make sure to tape the wires down so they don’t fall inside the wall. They are red, white, grey, green, yellow, and blue for +12V, furnace control, low fan speed, high fan speed, AC compressor, and -12V or ground, respectively. The R wire should be red. The diagram also lists the type of terminal strip or connector Aug 2, 2016 · In the fridge, the supply one wire goes to the PTC relay and the other one goes to the thermostat from which the 2nd wire goes to the compressor. Flip the switches in your breaker box to restore the electricity to the items. Step 5: Connect wires to corresponding terminals on the new Nov 29, 2023 · A 6 wire thermostat wiring diagram is a diagram that shows the configuration of the wiring that connects the thermostat to the heating and cooling system. The preferred color for C is blue, but that may not be practical in 2-3 wire cable. Connect them to the appropriate terminals. Jul 20, 2023 · The green wire goes onto the green wire. e. 7. It is essential to ensure all the wiring diagram is connected correctly and secured. In this HVAC Heat Pump Video, I go over 6 Wiring Combinations used to Bypass or Jump a Heat Pump Thermostat. The white wire from the thermostat goes on the medium white wire from the wall. Remove the face of the old thermostat. 1The R terminal is the 24-volt hot feed from the control step-down transformer. G – Green wire: This wire connects to the fan relay, controlling the HVAC system’s blower Dec 23, 2016 · Today I want to talk about how simple a thermostat really is how the common and hot wire goes to a transformer, how you tie the white wire for the heat stri Oct 31, 2018 · Your thermostat requires 3 wires: R, W and C. However your connections may seem a little different on the thermostat itself. The W wire should be white. The connections are often created as follows: Normally, terminal 01 serves as ground and connects the 12-volt neutral system of the camper via a black or blue cable. 3 . Honeywell Home T5 and T6 WiFi thermostat connection failure. a. Note that the only load that has a complete loop is the heat, fed by the W wire. Blue – This is your common or Installing your thermostat Wiring (conventional system) 7A Wire the Wi-Fi thermostat to your conventional system. 015_b) ©2018 dometic corporation lagrange, in 46761 record this information for future. Match each labeled wire with same letter on new thermostat. I show where the wires go at the thermostat, the color code, then down at the furnace control board, Apr 18, 2023 · O Orange Wire. M28097. The digital RC-Wire - connects to the RC terminal RC red. And wire the reset as in the image. This wire is typically used to control the reversing valve in a heat pump system. Press the lever next to the terminal letter, then insert the wire in the terminal well . This will ensure your safety while working with the wires. Step 4. The red wire carries the power from the RV If you’re lacking a C wire and have at least four wires at your thermostat to work with, the Power Extender Kit (PEK), included with your smart thermostat, can be installed at your furnace control board. Yellow wires. If E and Aux do not each have a wire connected, use a small piece of wire to connect them to each other. May 15, 2022 · A 24V thermostat wiring diagram is usually composed of four main elements: the thermostat, the power source, the heating and cooling system, and the wiring itself. to/31tqazdTher Mar 18, 2023 · 2nd Stage Furnace with 1st stage air conditioner(6 wire) This is also known as a 6 wire diagram for a stage 2 furnace with single stage compressor. For complex systems like heat pumps and multi-zones, a professional is recommended. That's the neutral (2 on the honeywell). Additionally, it may show the various components relevant to the thermostat system, such as the thermostat unit, control board, furnace, air conditioner, heat pump, and power source. com/discount/BENJAMINMy Favorite Tool: https://amzn. These wires are generally color-coded for easy identification. Y-Wire - connects to the Y terminal and is for cooling stage 1 with the yellow wire. 1 69-2487ES—01 RTH7400/RTH7500 Series. The red and white wires on the flagged cable go to the relay 1 and 2 coil screw terminals, respectively (red in this cable is W, and white is G). These are used to Troubleshoot whether the Therm Dec 6, 2022 · Generally, 240-volt baseboard heater thermostats are wired with 2-wire (with ground) cable, where both the black and white wires are hot. Y1 and Y2 wires might be used instead if you have a two-stage system (i. You can either add or connect cable nuts This type of wiring is for thermostats that controls a boiler. Each color represents a specific function, such as power, cooling, heating, fan, or common. Just take a look at the picture below the May 12, 2023 · Connect the wires to the appropriately marked terminals on the wall plate. The thermostat has a total of four wire leads: two marked "Line" that connect to the circuit feed wires entering the box from the circuit breaker panel, and two marked "Load" that connect to the circuit wires Mostly for new digital thermostats that require continuous power via C-wire. Red – Now, there can be two separate wires for this. The difference is that this diagram will have a wire in the Y1 connector and wires connected into the W1 and W2 connectors. Here is a typical wiring diagram for a Honeywell thermostat with 8 wires: R – Red wire: This wire connects to the power supply of the heating or cooling system. Thread the low-voltage wires through the specified opening of the new thermostat base. This wire runs to the furnace control board which in turn controls the activation of the compressor and related components required for AC. Honeywell Home T5 and T6 thermostat WiFi reset with Android. Tip: If the color of your wires has faded or if 2 terminals have the same wire color, use the wire labels provided in the package to label each wire. C wire - 24VAC common. Since boiler does not need a cooling function or the fan function, these two wires are not found here leaving three wires mentioned as below: Red wire for 24-volt hot. Remove the old thermostat. Web once all the wires are in place and the honeywell smart thermostat is fully wired, it’s time to install the thermostat. asked by Nov 17, 2022 · A 6-wire RV thermostat wiring diagram includes six different wires that control the operation of the thermostat. Turn off the main power to your system at the breaker box. g. Page 15 Installing your thermostat 8 Switch heating/cooling Page 3: Wiring Rc and R. This will keep the wires from falling into the wall. See the diagram below for what each wire controls on your system: May 5, 2023 · Step 4. After labeling the wires, remove one wire at a time from the old thermostat base and secure it by wrapping the wire around a pencil. It determines whether the heat pump operates in heating or cooling mode. If your old thermostat had both R and RH wires, connect the R wire to the Rc terminal, the RH wire to the R terminal, and unplug the jumper loop. Now you know that, you will probably find that there is 230VAC between the (known) live and one of the other wires. Connect wires Use the wiring diagram you got from the compatibility checker in step 4 to connect your system wires to the Nest Thermostat. The two red wires are the hot wires, which provide power to the Jan 2, 2024 · To read a five wire thermostat wiring diagram, start by identifying the wire colors, which will be indicated by a number or a letter. Jul 10, 2022 · Connect the 24V AC transformer to the power source, then connect it to the thermostat. See the diagram below for what each wire controls on your system: Y – Compressor Stage 1 (Cooling) Y2 – Compressor Stage 2 (Cooling) G – Fan. 2Remove Old Thermostat. C – Common. b Loosen screw, insert wire on inside edge of terminal, then tighten screw. Additionally, knowledge of the wiring can help you identify any potential problems that may arise To get a custom wiring diagram for installation, simply follow Nest app’s thermostat installation instructions. For mercury thermostats you will find 2 covers or compartments. 842×666 8 KB. Ensure that there’s no power supply to any component before you begin. This wiring diagram has 6 wires, just a stage 3 furnace system. 1-Stage 24V. The first set of wires (often referred to as Typically, thermostat wires are color-coded and numbered for easy identification. In most homes, installing an ecobee thermostat is an easy DIY project that takes about 20-30 minutes to complete. When all of the wires have been secured, remove the sub-base from the wall. Two of the wires will normally be black while the other two can be green, yellow or blue. Video Button 1. May 24, 2023 · It should sit flush against the wall and be straight. You’ll need to contact a local professional. Use a screwdriver to loosen screws, insert wires into hole, then tighten screws. This setup, which is mandatory for this heater, will allow you to use almost any thermostat on earth including smart 'stats like the Nest. By contrast, here is a thermostat that is being powered with the furnace transformer, with a C wire (or C wire adapter). When you make use of your finger or stick to the circuit along with your eyes, it’s easy to mistrace the circuit. A drill with a bit to make the holes for the plastic wall anchors. The installation guide includes step-by-step instructions that make it easy to install and wire your thermostat, so use it as your main reference. Install new thermostat base Web 6 wire thermostat wiring diagram. Remove the wall screws holding up the thermostat before disconnecting the wiring to prevent the wires from falling into the wall. Consequently, it requires a total of 5 wires: 1 for the fan, 1 for the compressor, 1 for the heat, 1 for the 24V cold, and 1 for the 24V hot. 889×669 7. You will see two terminals labeled “R” and “W”. Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store. In general, the heating wire (often white), goes into the “W” port, the Coleman RV analog thermostat with heat/cool control has 6 wires with standard color codes. Depending on the model and make of your thermostat, the wiring may vary slightly. The cables should be labeled with as: “C” (Common) “R” (Reverse) “W” (White/Heat) “G” (Green/Cool). Wiring a thermostat is a simple step by step process that anyone can do. Below are the common thermostat wire colors: White wires. If the wire is being used, label it at the thermostat. Step 2: Remove the old thermostat cover and safely disconnect the wires. 3. Y2 – Light Blue: This wire is necessary if you have a two-stage AC compressor. And that's the way you should have your Nest Thermostat wired. A utility knife or wire strippers (for small wire) Plastic wall anchors (sometimes provided with the thermostat) good for drywall. If necessary, contact customer support for help . Common wire is optional when thermostat is used with batteries. Turn the heating/cooling system power back on at the breaker box or switch where you turned it off. If the compressor kicks on outside, then the problem is probably not with the system but the thermostat. Each system’s wiring is different. Web the honeywell backplate has the following connections: You will typically find 18/5, 18/6, or 18/8 on the label. Web dometic ac thermostat wiring diagram source: Web search for perfect prices of dometic dometic / thermostat lcd this thermostat gives you control of your rv furnace or your a/c unit. Step 2: Examine the Thermostat Wiring Step 4: Connect the Wires. Typical 6-wire thermostats will use red (R or Rc or Rh), white (W, W1), yellow (Y, Y1), green (G), black or blue C-wire, and orange (O/B) wire for reversing valve switch; used for complex heat pumps. If your new thermostat is not self-leveling, use a small level to make sure it's properly aligned. Once you’ve located all the wires, taken a photo, and labeled where everything goes, it’s time to disconnect the wires and the mounting screws. 9. Blue or C wires. These are the Installing your ecobee Thermostat. However, the basic wiring remains the same: the thermostat will be connected to a power source, the Y, Y1, Y2: Whenever your thermostat calls for cooling, the Y wire is used to send a signal to your HVAC system telling it to fire up the air conditioner. Oct 16, 2023 · Step 1: Turn off the HVAC system power at the circuit breaker or fuse box. You will later connect the black wires to the 120 VAC input, while the yellow, green or blue May 25, 2019 · Basic thermostat wiring for furnace and air conditioner. 6. See page 13. I have a seven thermostat wires going to my old analog thermostat. These symbols are used in combination with the lines that Wiring the 2 Wire Thermostat. Once you know what type of system you have, the hardest part is out of the way. The thermostat with the cool-only option has 5 wires with the same color codes except for the missing white wire for heat control. Two wires in one terminal: You may have a dual transformer system. How to set up your Honeywell Home T5 or T6 Pro Smart Thermostat. Do not use C, C1 or X wire. It also shows how the various components are interconnected. Important: This illustration is only an example. The only relevant cases where you would connect a wire to the W2 Jan 11, 2021 · Here’s a diagram of a thermostat that is being powered by an external transformer. Close the wire cover on the wall plate. Usually, there will be four wires. Page 14 Alternate wiring key (Heat Pump System) If you have both an R and Rc wire, unplug the jumper loop by pulling on the wire loop. cr sw wd qy zh sq lm wa qb nq