To make you better at wiring, here are some reliable tips and techniques you need to perfect. When you make use of your finger or perhaps the actual circuit with your eyes, it is easy to mistrace the circuit. A wiring diagram is a streamlined conventional photographic depiction of an electric circuit. Thermostat Wiring Diagrams - HVAC Control far differently than air conditioning systems so make sure you know the difference and correctly identify. The C-wire is usually black but sometimes blue. A green data a b yellow data b. Follow all local electrical codes during installation. Carrier Infinity Thermostat Wiring Diagram from www.adinaporter.com To properly read a electrical wiring diagram, one provides to find out how the components in the program operate. Doing so could warp and damage the components on the board. Do not use building metalwork as a ground. INTRODUCTION. Carrier thermostat wiring, Honeywell thermostat wiring – it's all basically the same. 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 Carrier Thermostat Wiring Diagram Print the wiring diagram off in addition to use highlighters to be able to trace the routine. It shows actual uses for most commonly seen wire colors in. Any errors here might lead to the wire to the touch the ground wire or box. This controls the compressor that runs the cooling system. They are often connected with a jumper … Carrier Thermostat Wiring Diagram from i.pinimg.com Print the cabling diagram off plus use highlighters to be able to trace the routine. It's the terminal for the common wire that provides a return path to the transformer so electricity can flow through the thermostat and power the display and programming features. Find product literature for all Carrier products. Carrier Hvac thermostat Wiring Diagram – wiring diagram is a simplified up to standard pictorial representation of an electrical circuit. Advanced Programming Display Codes Chart Thermostat Carrier TP-WEM01 Advanced Installation And Configuration Instrucrions See Low Voltage Wiring Diagrams and notes for proper connection. Take a picture of the terminal connections for reference. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit. 1 use the g wire for the c wire at the equipment. Trying to find info regarding Carrier Air Conditioner Wiring Diagram? It has a wiring diagram, but to use it, you'll have to verify that the wires follow the standard color code. to the wiring diagrams at schematron.org corsupport. Carrier thermostat wiring honeywell thermostat wiring its all basically the same. It depends more on the particulars of the heating/cooling system. wiring thermostat hunter fan to goodman ghph41 using existing wire. View and download carrier infinity control installation instructions manual online. Continuous wire lengths over 100. ask your own hvac question. Carrier's day, 5/day, day programmable and non-- programmable . Orange wire to O. A wiring diagram is a simplified conventional pictorial representation of an electric circuit. All sensor wiring should be color coded in conformance with the standard recommendations. Carrier infinity system installation instructions. Heating: Accessories: Humidifier, dehumidifier, or ventilator . When doing Carrier thermostat wiring, you'll find a W (white), Y (yellow), G (green) and R (red) terminal. … A wiring diagram is a sort of schematic which utilizes abstract photographic signs to reveal all the interconnections of elements in a system. Not only does it allow you to control temperature readily, but the unit will also be able to understand your design. Single Stage Cooling and Heating System AC Y C Furnace YWRCG Rc G Y/Y1 Nest Wiring Diagram For Carrier Infinity 2001 Chevy Tahoe Fuel Pump Schematics. See Diagrams A-D for wiring options. Once i get carried out, anything that’s not highlighted are think circuits i need to identify. (adsbygoogle = window.adsbygoogle || []).push({}); Print the wiring diagram off in addition to use highlighters to be able to trace the routine. honeywell said return it and donot use.what do you think. Frigidaire Dryer Wire Hookup. The thermostat is the primary way to control heating and cooling in your home, and it can be as simple or advanced as you want—from traditional to smart thermostats, Carrier gives you top-of-the-line controls for your home heating, cooling, and air quality needs. Wiring Diagram Sheets Detail: Name: carrier heat pump wiring diagram thermostat – Carrier Infinity Thermostat Installation Manual Repair Carrier Infinity System Thermostat Wiring Diagram At Dcot; File Type: JPG; Source: dcot.org; Size: 195.69 KB; Dimension: 992 x 740 This is the Carrier Air Conditioner Wiring Diagram For Programmable Thermostat of a image I get directly from the Carrier Air Conditioner Wiring Diagram package. The basic Heat + A/C System thermostat typically utilizes only 5 terminals. Nest Wiring Diagram For Carrier Infinity 2001 Chevy Tahoe Fuel Pump Schematics. 3. Leaks can affect thermostat operation. If you need help with the wiring, refer to the wiring diagrams at the back of this . Carrier Cor Thermostat Wiring Diagram 26.11.2018 26.11.2018 6 Comments on Carrier Cor Thermostat Wiring Diagram installation instructions d Your Carrier Côr thermostat works with most centralized residential heating . Adjoining wire courses could be revealed roughly, where specific receptacles or components should be on a common circuit. It's best to check the control panel. WARNING! Thermostat Carrier TP-WEM01 Advanced Installation And Configuration Instrucrions See Low Voltage Wiring Diagrams and notes for proper connection.The Performance Edge programmable thermostat (TP-PRHB) offers relative humidity control, and intelligent system management in a sleek design/5(20). Source: yourproducthere.co. Also ensure that all the wire that's twisted around the attach is stripped. That makes the Carrier thermostat wiring a tad more complicated, but not unreasonably so. Or you are a trainee, or . ZONECCORRS01) may be used for standard space temperature sensor averaging. Nest Thermostat Wiring Diagram For Carrier Infinity – Wiring – Wiring Diagram For Nest Thermostat Split System Uploaded by Bang Mus on Thursday, February 7th, 2019 in category Nest Wiring Diagram. However, you may work on minimal electrical wiring at home provided you follow safety precautions. This controls the reversing valve that turns cooling pump into a heat pump. Delco Remy Starter Solenoid R Terminal Wiring Diagram - Database, Four Terminal Starter Solenoid Wiring Diagram - Database, 7 Pin Rocker Switch Wiring Diagram - Collection, 2003 Ford Escape Stereo Wiring Diagram – Database, Kelsey Trailer Brake Controller Wiring Diagram – Database, Emerson Thermostat Wiring Diagram – Database, 8 Wire Thermostat Wiring Diagram – Collection, Chevy Alternator Wiring Diagram – Database, Honeywell Thermostat Rth3100C Wiring Diagram – Collection, 3Rd Gen Nest Wiring Diagram Pro – Database, Nest Thermostat E Dual Fuel Wiring Diagram – Database, Honeywell Line Voltage Thermostat Wiring Diagram – Collection, Wifi Thermostat Wiring Diagram – Database, Rheem Thermostat Wiring Diagram – Collection. show more. The following pages provide wiring diagramsfor common HVAC equipmentconfigurations. For example, if the Red wire is connected to W on the thermostat … But wiring one of these is a job for a professional who will also have to wire together all the different elements of the systems, including dampers and zone controllers. 9. They are often connected with a jumper wire, and a single red wire serves both of them. wiring diagram for hunter model to a … Carrier Thermostat Wiring Diagram from www.doityourself.com. Y/Y2 O/W2/B O/W2/B WIRING DIAGRAMS Y/Y2, Y/Y2, W/W1 (WSHP) O/W2/B Y/Y2 O/W2/B W/W1 System wiring diagrams are provided for typical Carrier equipment. Need thermostat wiring instructions for Goodman A/C with heat strip model GPCH21BB to Hunter Fan model B thermostat. You'll also find a C terminal, which is an exception to the rule. I print out the schematic and highlight the circuit I’m diagnosing in order to make sure I’m staying on the particular path. July 14, 2018 by Larry A. Wellborn Collection of carrier heat pump wiring diagram thermostat. i have a carrier infinity thermostat with abcd wiring, green,blue white and red.can i change this to honeywell wifi thermostat, do i need a separate wire 24 vac, to power for wifi . Wiring a thermostat usually doesn't take a pro more than an hour, so you shouldn't be charged for much more than a standard service call. Call an HVAC pro. TYPE VOLTAGE (1 Ph, 60 Hz) FIGURE NO. Some thermostats have a K terminal instead of Y and G terminals. Some Carrier thermostat models can even control up to eight different zones. Additionally, short or incorrect thermostat wiring will damage the unit and may cause personal injury and/or property damage. Note which wire is connected to the W terminal, which one is connected to the Y terminal and so on, then connect each wire to the corresponding terminal on the thermostat. INSTALLATION Thermostat Location — The thermostat should be mounted: • approximately 5 feet from the floor It shows the elements of the circuit as simplified shapes, and the power and signal connections between the devices. Nest Thermostat Wiring Diagram Heat Pump | Wiring Library – Nest Thermostat Wiring Diagram For Carrier Heat Pump Nest thermostat itself is another generation of heating and cooling devices. It's capable of managing temperatures, humidity, ventilation, airflow and indoor air quality. Carrier Heat Pump thermostat Wiring Diagram– wiring diagram is a simplified satisfactory pictorial representation of an electrical circuit.It shows the components of the circuit as simplified shapes, and the faculty and signal friends in the company of the devices. Variety of carrier heat pump thermostat wiring diagram. You'll probably see a thermostat jumper wire connecting the Rc and Rh terminals. carrier to honeywell thermostat wiring Carrier air to air heat pump (Model FV4BNF003000AAAA) with electric backup, dehumidifier and outdoor temp and humidity sensor. The diagram below shows how a basic 4-wire thermostat is connected as indicated by the color code chart above. Sample Wiring Diagram 6 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump * Most residential split and package heat pumps with auxiliary heat Thermostat 24 vac common fan relay compressor relay 1st stage heat circuit 24 vac return 2nd stage heat circuit * The … White wire to W. This wire switches the heater on and off. The red wire controls the main power switch for the heater and the cooler. carrier infinity thermostat wiring diagram – Architectural electrical wiring layouts show the approximate areas and also interconnections of receptacles, lighting, and also long-term electric solutions in a building. This keeps both you safe. So if you accidentally touch a live wire, the RCD would find the unusual flow of the present and immediately turn off the circuit. you are right below. Standardized wire colors are just as important in HVAC wiring as they are in residential or telephone wiring. Wiring doesn't depend much on the thermostat features, though. Collection of carrier heat pump wiring diagram thermostat. R, Y, G, O, Y2 and C at thermostat. It combines their functions, and you could use either a green or yellow wire for it. With a few exceptions, any thermostat that controls the system gets wired the same way as any other. You can save this photo file to your own computer. Wiring Diagram Sheets Detail: Name: carrier heat pump wiring diagram thermostat – Goodman Heat Pump Thermostat Wiring Diagram How To Wire A Heat Pump Thermostat Honeywell Carrier Heat Pump Wiring Diagram Heat Pump Wiring Requirements How; File Type: JPG; Source: mobiupdates.com; Size: 389.74 KB; Dimension: 1024 x 742 These are some of the most common connections, particularly if you're working together with receptacles and buttons. Thermostats have varying levels of sophistication and some, such as the Carrier Infinity thermostat, have remote sensing and programmable climate control functions. Thermostat RVS/Heat Stage 2 O/B W2 Heat Stage 1 W/W1 Compressor Y/Y2 Not Used 24VAC Hot Heating 24VAC Hot Cooling Dry Contact 1 Dry Contact 2 24VAC Common Outdoor Air Temp Remote Room Sensor OAT/RRS Com OAT/RRS * Indicates connection may not be required/available. Repurposing the G wire for the C wire – Single StageEquipment Repurposing G wire for the C wire will result in the loss of continuous fan operation and air circulation features of the thermostat. show more. If you're confused, check the manual. Actually, you'll find an Rh and Rc terminal, which supply power to the heating and cooling switch, respectively. Any excess wire left inside thermostat casing may also af-fect thermostat operation by interfering with airflow across the temperature sensor. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. Thermostat Wiring Diagrams for Heat Pumps - Heat Pump Thermostat Wire Diagrams. LABEL DIAGRAM Heat Pumps 52EQ EC 208/230, 265 1 52EQ500054 52SQ AA/CP 208/230, 265 2 52SQ502304 RC 208/230, 265 All wiring must conform to … He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. carrier infinity thermostat wiring diagram – Architectural electrical wiring layouts show the approximate areas and also interconnections of receptacles, lighting, and also long-term electric solutions in a building. Carrier infinity thermostat wiring diagram. Back in the olden days, thermostats were simple on/off devices that didn't need their own continuous power supply. It shows the components of the circuit as simplified shapes, and the facility and signal connections amid the devices. Sensors must be used as a single sensor, 4 sensors, or 9 sen-sors, with total sensor wiring not to exceed 1,000 feet. 2. The common wire, sometimes referred to as the c-wire, is what’s responsible for delivering constant power to your thermostat. 10 p a g e. Equipment applications with 4 wires running to the thermostat r w y g and carrier fan coils. Not only does it allow you to control temperature readily, but the unit will also be able to understand your design. 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 … Various colors for Y2, W2, X2, which are for second stage heating and cooling. It isn't uncommon for wires to get mixed up, so if you already have wires sticking out of the wall, you shouldn't be too certain that they conform to the color code. APRIlAIRe® HuMIdIFIeR SPeCIFICATIonS . The ordinary pliers would give you a loose connection that may cause trouble in future. Thermostat Wiring Diagrams [Wire Installation] Simple Guide. Carrier infinity thermostat wiring diagram. A homeowner can wire a thermostat that controls a single zone, though, even if the system includes a heat pump. Hunker may earn compensation through affiliate links in this story. It is a red wire and comes from the transformer usually located in the air handler for split systems, but you may find the transformer in the condensing unit. Carrier contractors are available on www.HVACpartners.com. Yellow wire to Y. Please right click on the image and save the graphic. Infinity control thermostat pdf manual download. Various colors for Y2, W2, X2, which are for second stage heating and cooling. Knives may weaken the wire by notching the copper inside. Before reading a new schematic, get acquainted and understand each of the symbols. It reveals the elements of the circuit as simplified forms, as well as the power and also signal links in between the tools. Carrier Infinity Thermostat Wiring Diagram To properly read a wiring diagram, one provides to find out how the particular components within the program operate. Assortment of carrier heat pump wiring diagram. Then on the other one, I’ll start coloring the things that tested alright. Improper wiring or installa- tion may damage thermostat. show less. S The control assembly should be mounted before wires are attached. If you need service, or you need to troubleshoot an issue regarding your HVAC system, it always helps to … Sample Wiring Diagram 6 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump * Most residential split and package heat pumps with auxiliary heat Thermostat 24 vac common fan relay compressor relay 1st stage heat circuit 24 vac return 2nd stage heat circuit * The … File Type: JPG. This versatile and beautiful programmable Edge thermostat has a slim, wall-hugging design 1 and can manage any Performance ™ or Comfort ™ series system. Upon one, I’ll search for the current movement, how it works, and that shows me what elements of the routine I need in order to check. Opt for linesman pliers as opposed to the ordinary slip-joint huge pliers when intending to twist wires. It reveals the elements of the circuit as simplified forms, as well as the power and also signal links in between the tools. Page 55 WIRING DIAGRAMS(cont.) Before you start any DIY electrical wiring project, it’s crucial that you have the right ingenuity, as well as the right tools and materials for the job. Adjoining wire courses could be revealed roughly, where specific receptacles or components should be on a common circuit. To make the point, thermostat and controller manufacturers label most of the wire terminals with the color of the wire you're supposed to use for that terminal. Safety Tip: Make sure you don't install a new thermostat on circuits exceeding manufacturer-specified voltage. 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. RC - Red Wire (Power 24 Vac) RH or 4 - Red Wire Jumpered (Power 24 Vac) Our page top sketch, courtesy of Honeywell Controls, illustrates the wiring diagram for a traditional Honeywell T87F thermostat used for 2-wire single pole single. Carrier Heat Pump thermostat Wiring Diagram Awesome Carrier What’s Wiring Diagram? Read typically the schematic like a new roadmap. Page 11 3 connect repurposed wire to the thermostat a. Wiring diagram for carrier fan coil readingrat pertaining to fan coil unit schematic diagram image size 639 x 600 px and to view image details please click the image. You will be in a lot better position to guard yourself and work more effectively. NOTE: Only Carrier sensors (part no. Variety of carrier heat pump wiring diagram thermostat. You can also examine the old thermostat before you disconnect it. Black wire to C. This wire provides the return path for the power that flows through the red wire and through the internal circuitry of the thermostat. Carrier Heat Pump thermostat Wiring Diagram Awesome Carrier Wiring Diagram For S Plan Fresh Wiring A Ac Thermostat Diagram Valid Architectural wiring layouts show the approximate locations and interconnections of receptacles, lights, and also irreversible electric solutions in a building. Even the most seasoned people who enjoy DIY may come across problems with wiring a thermostat. Carrier Thermostat Wiring Diagram – Database. Some come with wifi connectivity and some without. If it was working properly, it's wired properly. Having the right tools at hand can be another important aspect of power work. Removing the thermostat. S Never remove the thermostat board from the plastic housing. Tag : carrier air conditioner thermostat wiring diagram. A wiring diagram is a simplified conventional pictorial representation of an electric circuit. A08429 10. 1 trick that I actually 2 to print a similar wiring picture off twice. Here is the industry standard thermostat wire color code used for most systems: White. It shows the elements of the circuit as simplified shapes, and the power as well as signal links between the devices. A wiring diagram is a streamlined conventional photographic depiction of an electric circuit. Thermostat Wiring and Wire Color Chart – Thermostat Wiring Colors Code; Tstat Terminal Designation: Color of Wire and Termination: R – The R terminal is the power. Mar 8, This post provides Honeywell thermostat wiring color code gides and hints. Assuming the wires follow the standard color code, you'll be making the following basic connections for a single-zone heat pump: Red wire to Rh or Rc, which are usually bonded. From the unit to the thermostat I have 10 wires, 2 of them being my outdoor temp and humidity sensor. That will way, the mess tightens the link as it moves in. Furthermore, ensure you've got a tester to test the volt quality of the cables before and after working on them. The white wire connects to your heat. It reveals the parts of the circuit as streamlined forms, and also the power and also signal connections in between the tools. i have a carrier infinity thermostat with abcd wiring, green,blue white and red.can i change this to honeywell wifi thermostat, do i need a separate wire 24 vac, to power for wifi . Variety of carrier heat pump thermostat wiring diagram. Carrier Heat Pump Thermostat Wiring Diagram Source: wholefoodsonabudget.com Before reading a schematic, get common and understand all the … SAFETY CONSIDERATIONS Read and follow manufacturer instructions carefully. A DIYer by nature, Deziel regularly shares tips and tricks for a better home and garden at Hunker.com. A wiring diagram is a streamlined traditional pictorial representation of an electric circuit. Besides these standard connections, you may have to make some that aren't standard. You may be a professional that intends to seek references or resolve existing issues. Diagram carrier infinity thermostat wiring full version hd quality guidedeng primacasa immobiliare it 10 yr old tvdiagrama agrispecolizzi furnace muconnect co control skematik97 eketlas ccitc01b system user manual systxccitc 01si united technologies electronic controls toyota estima begeboy source touch installation otreno ahimsa fund fr connecting honeywell to doityourself com … Terminal contacts will be the conclusion details of wires, where a connection with a circuit occurs. Using The Exp - Edger Expansion Port - To Program The Thermostat . RCDs are devices that are utilized to monitor the flow of current through a particular circuit, and they cut off the existing whenever it runs through an unintended path. All wiring must conform to local and national electrical codes. Electricity is very dangerous and can easily lead to electrocution, so you need to call an emergency electrical contractor for sensitive wiring cases. S During thermostat installation, provide sufficient excess wiring behind the mounting plate. This is the safety-alert symbol . So here's the secret. Avoid shortages and malfunctions when wiring your car's electronics. In most homes, installing a Google Nest thermostat is an easy DIY project that takes about 20-30 min. It's there so you can supply power to the heating and cooling switches with a single wire, which is usually red. The sensor wiring MUST be completely separated from the thermostat or any other control wiring and must NOT be in the same conduit as high voltage wiring. Set the thermostat front housing into the (2) latches (notches) on the bottom of the back plate. When you use your finger or the actual circuit along with your eyes, it is easy to mistrace the circuit. Coil the wiring, creating a service loop, and place in Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. The Nest app’s step-by-step instructions make it easy to install and wire your thermostat… Carrier thermostat wiring instructions carrier thermostat wiring guide carrier thermostat wiring colors carrier thermostat wiring diagram carrier thermostat wiring vg v 20.16.ulrich-temme.de. carrier heat pump wiring diagram thermostat – Wiring Diagram Hvac thermostat Fresh Nest thermostat Wiring Diagram Heat Pump Elegant Famous Carrier Heat. Higher voltage thermostat wiring will damage the controls and may cause shock or become a fire hazard. The wiring for your Honeywell thermostat depends on the functions of your heating and cooling system. carrier to honeywell thermostat wiring Carrier air to air heat pump (Model FV4BNF003000AAAA) with electric backup, dehumidifier and outdoor temp and humidity sensor. For occasion, stay away from knives as opposed to strippers when stripping your wires. Crf50 Wiring Diagram. When wrapping a wire around the terminal screw, do it in a clockwise direction. Wiring Diagrams - Carrier Wiring Diagrams INDEX MODEL NO. Thermostat wiring guide for homeowners 2020 carrier to honeywell typical gas furnace diagram 2002 blazer fuel sender thermidistat question auto transfer old diagrams Thermostat Wiring Guide For Homeowners 2020 Carrier To Honeywell Thermostat Wiring Doityourself Com Community Forums From A Typical Gas Furnace Wiring Diagram Fuse Box For 1999 Dodge Caravan Schematics […] Yellow. It may be an expense but probably not as much as you fear. When you use your finger or the actual circuit along with your eyes, it is easy to mistrace the circuit. For DIY electricians, there's a lot of jumbled up information of what you should or shouldn't do. Strip the wire ideal such that no insulating material goes underneath the slot, and no bare wire is left. The main trouble is dealing with those different colored wires, knowing which one does what and if that wasn’t enough, you also have numbers and letters to deal with. Terminal connections experience a lot of stress, and weak joints easily loosen up. honeywell said return it and donot use.what do you think. Nest Thermostat Wiring Diagram Heat Pump | Wiring Library – Nest Thermostat Wiring Diagram For Carrier Heat Pump Nest thermostat itself is another generation of heating and cooling devices. Two Pole Contactor Wiring. ask your own hvac question. How to Find Your Model Number. Brown, pink, gray and tan are some possible choices. When doing Carrier thermostat wiring, you'll find a W (white), Y (yellow), G (green) and R (red) terminal. Use only unshielded wire. He has degrees in science and humanities and years of teaching experience. prevent air leaks. Inside case there are a fatal slot, you should be extra careful. Carrier Hvac Home Thermostat Hvac Filters Commercial Hvac Wire Installation Diy Electronics Worksheets Diagram. Typical wiring diagrams 129 134. 15-36. It shows the elements of the circuit as simplified shapes, and the power and signal connections between the devices. How to Wire a Carrier Heat Pump Thermostat, By creating an account you agree to the Hunker, Carrier: Infinity Touch Control Owner's Manual, Airconditioning-systems.com: Heat Pump Thermostat Wiring, Xtronics: Thermostat Signals and Color Code. Thermostat Wiring for Dummies. To install your unit, you’ll need to connect the correct wires to the terminals on the back of your new thermostat. Diagram carrier infinity thermostat wiring full version hd quality guidedeng primacasa immobiliare it 10 yr old tvdiagrama agrispecolizzi furnace muconnect co control skematik97 eketlas ccitc01b system user manual systxccitc 01si united technologies electronic controls toyota estima begeboy source touch installation otreno ahimsa fund fr connecting honeywell to doityourself com … 3. Collection of carrier heat pump wiring diagram thermostat. Run an additional wire from your equipment to the thermostat. From the unit to the thermostat I have 10 wires, 2 of them being my outdoor temp and humidity sensor. An RCD (residual current device) is one of the main things to have in your circuits. 1 trick that I actually 2 to print a similar wiring picture off twice. Carrier Air Conditioner Wiring Diagram. Recognize safety information. Your Carrier Côr thermostat works with most centralized residential heating and cooling systems. replacing old carrier split system. i have a carrier infinity thermostat with abcd wiring, green,blue white and red.can i change this to honeywell wifi thermostat, do i need a separate wire 24 vac, to power for wifi . Heck, now I’m not calling anyone a dummy! See Fig. Actually, you'll find an Rh and Rc terminal, which supply power to the heating and cooling switch, respectively. Still need help? That's one example. Blue wire to B. Understanding thermostat wiring colors is the next step. show less. Carrier offers a wide selection of thermostats. This also controls the reversing valve, switching back to the cooling function. It is placed on socket outlets or merge boxes to prevent electric shock in the situation of a DO IT YOURSELF blunder.