Message us on Twitter for help with our products. Some thermostats will be supplied with a jumper wire or clip between the thermostat RH and RC terminal and will not provide a simple R terminal (such as the 3M-22 Filtrete). I’m upgrading from a Honeywell Mercury thermostat to a Honeywell wifi 8580. For a table of wiring connections for this thermostat also see. This article gives a table showing the proper wire connections for Honeywell brand wall or room thermostats used to control heating or air conditioning equipment. However, their was a blue, C wire in the wall, so I figured was all set. Below is the complete Honeywell RTH3100C thermostat installation manual in PDF format. To understand the usual or "standard" connections, and because you say there are six wires in use in the current thermostat, in the suggested reading links above titledThermostat Wiring & Installation Articlestake a look, at THERMOSTAT WIRE CONNECTIONS - 6-WIRE Red, White, Blue, Yellow, Green, Orange Wires which has a live link there to jump right to that article. 1-855-733-5465 in the fixed wiring as a means of disconnecting the mains supply. even have separate O and B wires. Saturday and Sunday at HONEYWELL 5-2 DAY PROGRAMMABLE THERMOSTAT - RTH2300B1012 WIRING. If you have two wires, R or RH will go into the R terminal, and RC will go Calling Honeywell with the right product number (Tel: 800-468-1502) might produce better results. Here are details from that manual's instructions for wiring the Honeywell RTH-2300-B 5-2 Day Programmable Thermostat beginning with the inspection of the existing wires: 3. Honeywell WiFi Thermostat Model: RTH65801006 & RTH6500WF Smart Series. The Honeywell RTH6350 uses the following wire connections: Watch out: if your wires do not match the above see several alternative wiring installation hookups on both of the thermostat wiring manuals given just below. Saturday and Sunday: Use our helpful tool to take an assessment of the existing wiring in your home. All day (24 hours), Monday through Sunday, Professional Contractor Support Identify and label each of the existing thermostat wires by using not the wire colors (someone could have made a wire color error and violated convention) but rather, identify each existing thermostat wire by noting the letter next to the old thermostat wiring block terminals where each wire was connected to a screw. Nest thermostat itself is the next generation of heating and cooling devices. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. My old thermostat didn’t require continuous power so the blue,C wire wasn’t connected. 9am to 5pm CDT. Heck, now I’m not calling anyone a dummy! Click to Show or Hide Citations & References, Honeywell thermostats, wiring connections, instructions, diagrams, HONEYWELL SERIES 20 WALL THERMOSTAT WIRING, HONEYWELL 5-2 DAY PROGRAMMABLE THERMOSTAT - RTH2300B1012 WIRING, HONEYWELL FAN COIL THERMOSTAT T6196 MANUAL, HONEYWELL T87-F type 2-WIRE WALL THERMOSTAT WIRING, HONEYWELL T87-F type 3-WIRE WALL THERMOSTAT WIRING, HONEYWELL T87 WALL THERMOSTAT WIRING DIAGRAMS, OTHER, 2-Wire Gas Heat Honeywell Thermostat Wiring Diagram, 2-Wire Oil Heat Honeywell Thermostat Wiring Diagram, 3-Wire High Limit Honeywell T87F Thermostat wiring diagram, 3-Wire SPDT Honeywell T87F Thermostat wiring diagram, 4-Wire Honeywell RTH2300 Programmable Thermostat Wiring diagrams, Honeywell CT87N / CT87K THERMOSTAT OWNER'S MANUAL, Honeywell CT97N Easy-to-See™ THERMOSTAT OWNER'S MANUAL, Honeywell CT87A,B,J Round® Thermostat Low Voltage (15 to 30 VAC) Thermostat and Mounting Hardware Installation Instructions, HONEYWELL Lyric Round™ WI-FI THERMOSTAT INSTALLATION GUIDE, HONEYWELL Wi-FI Thermostat 9000 INSTALLATION GUIDE, Honeywell T87F Thermostat PRODUCT DATA SHEET & CIRCUIT DIAGRAMS, HONEYWELL T8775C1005/U THERMOSTAT INSTALLATION & WIRING MANUAL, HONEYWELL TB7100A1000 MultiPRO™ heating and cooling equipment. I need to be clear that I don't understand your exact situation, in part because I don't know what thermostat wiring is present in your home. I previously had a Source1 tstat. other. At left the thermostat wiring diagram illustrates the typical wiring connections when installing a Honeywell RTH2300 (or similar) programmable room thermostat. Thermostat wiring details & connections for nearly all types of Honeywell room thermostats used to control residential heating or air conditioning systems. And the company makes clear that their controller is compatible with standard thermostats: ALL - controls are compatible with 2, 3 or 4 wire type If Am I wrong?Roger, Forgot to mention it's a non programmable thermostat RTH5160, I have a 3 wire boiler heat system Red,White, Green but was only using red,and White I bought the honeywell RTH5160 Series do I need connect the Green wire. 1. The old thermostat has 3 wires. You'll probably see a thermostat jumper wire connecting the Rc and Rh terminals. Is there a way to jumper that with one of the 4 wires I have? Open Hours: At left the thermostat wiring diagram illustrates use of a Honeywell T87F thermostat in a 2-wire application controlling a gas fired heating appliance. If the wire labels from your old thermostat hookup don't match the above, Honeywell offers additional advice that we adapt in table form: 1. a heat pump without auxiliary/back-up heat. not a jumper in the thermostat. User manuals, Honeywell Thermostat Operating guides and Service manuals. Download Honeywell thermostat user manual by selecting the correct model. The "coil" shown may be a magnetic coil that pulls in the armature of the No. will not label these wires. Converting a heat pump thermostat to a HONEYWELL. Here are more examples from the Handbook. According to Honeywell, this thermostat is compatible with: For your model you want Honeywell document 69-2326ES - found at http://customer.honeywell.com/Honeywell/getliterature.axd?LiteratureID=69-2326ES.pdf - owners operation manual or, document 69-2327ES - for installation materials - found athttp://customer.honeywell.com/Honeywell/getliterature.axd?LiteratureID=69-2327ES.pdf. A heat pump runs your compressor for both Disconnect power supply before connecting wiring to prevent electrical shock or equipment damage. In the Honeywell T87F thermostat series the single pole double throw switch makes (closes) one set of contacts when the temperature falls - to turn on the heating appliance. your common. Be sure that you label the wires before disconnecting them from the old thermostat, or if you are installing new equipment, identify the incoming wires from the equipment terminals and its manual. The wiring for your Honeywell thermostat depends on the functions of your heating and cooling system. On a rise in temperature the contacts break (or open) in the opposite order. Multispeed and Multipurpose Thermostat INSTALLATION & WIRING MANUAL [PDF] retrieved 2018/10/07, original source: https://customer.honeywell.com/resources/techlit/TechLitDocuments/62-0000s/62-0273.pdf, Above & Below: Honeywell T87F Thermostats in three versions: Heating Only, Heating & Cooling, & below, Cooling Only, (3 wires found in-use at the wall thermostat), 1. Alternate wiring (conventional system) T841A Series Heating-Cooling Heat Pump Thermostat. I used this to replace an older battery powered honeywell 4 wire thermostat with a honeywell 5 wire wifi thermostat that needed a c wire. Professional HVAC Contractor to continue. You will typically have one or two out of those three. At left the thermostat wiring diagram illustrates use of a Honeywell T87F thermostat in a 2-wire application controlling a gas fired heating appliance. Monday through Friday: 9am - 8pm CDT And in setup you are to "In Setup, set changeover valve to O or B.". wire labeled Rc for example) you can remove any jumpers between the R and Rc terminals, or Open Hours: To make sure that your system is off, change the temperature on I hooked it up on the control board. The Honeywell RTH9580WF internet thermostat, mounted but powered down, snapped onto wall plate. If you see wires connected to terminals labeled G1,G2,G3, you will need a thermostat capable of Apologies for the delay. the system turn on within 5 minutes, the power is off. Remove the wall screws holding up the thermostat before disconnecting the wiring to … so be sure to consult the installation manual in detail. No issues. Red wire (R) to the R terminal, with this note: remove the factory-installed jumper between R and Rc IF you have both an R wire adn an RC wire (that you should have identified and labelled from your old thermostat hookup). - You have a single wire labeled W-O/B and we advise placing it in the O/B terminal. Be sure to identify and label the existing thermostat wires before disconnecting them from the terminals on the old thermostat you are replacing. At left the thermostat wiring diagram illustrates use of a Honeywell T87F thermostat in a typical 3-wire, open contact, high limit control such as on an oil fired heating boiler. push the switch to open the RC terminal so you can insert a wire. The wiring was the same W to white, Y-yellow, and G- green. are connected: ‘Y’ wire only (1 stage) or ‘Y’ and ‘Y2.’. The O/B wire can have many configurations. If old thermostat has wire on AUX with a jumper to E, place wire on E/AUX terminal. The manual above also applies to the Honeywell T8775A1009/U and to the T8775A1017/U, HONEYWELL TB7100A1000 MultiPRO™ Added tags. 2. Open Hours: If you are unsure, note which wires are connected: W’ wire only (1 stage) or ‘W’ and W2.’. Only way to turn off the blower is to disconnect the tstat or unplug the blower. For typical wiring examples, and for clarification of what types of systems your thermostat works with, please consult your owners/install guide. five wires, however you could see as few as two, and as many as ten. It’s used for systems that don’t provide a C wire but have a thermostat that requires one. In some cases, one of those wires may be your common. The model number of the Honeywell thermostat was not provided, however here are the typical wiring assignments for a conventional heating system. OLD Honeywell Thermostat Wiring: G – Green Wire C – Blue Wire R – Red Wire W1 – Nothing attached Y – Yellow Wire L – Nothing attached W2 – White Wire E – Brown Wire B – Nothing attached O – Orange Wire. 8 through 13 wiring diagrams. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Some programmable thermostats (e.g. Connect the red wire t. Also see these other HONEYWELLT87 WALL THERMOSTAT WIRING DIAGRAMS - Honeywell Wall T87-F type Thermostats for sketches and drawings of Honeywell thermostat wiring hookups. Select Standard Efficiency Forced Air (default) or High Efficiency Forced Air. For thermostats requiring the 24VAC For the new thermostat to work, you need a 24 volt common to complete the circuit with the 24-volt hot wire to provide power for the thermostat because it is a state of the art digital programmable wi-fi thermostat it will need 24-volt power to work. Shut the power off and disconnect the old thermostat using the small flathead screwdriver. I'll keep your comment in our Honeywell Thermostat Wiring Instructions. No jumper is required. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. Installing your thermostat. The valve connectors are labeled with numbers 1-6. Let's take a look at the G wire. We are working on it. whether you have a heat pump system or not. Use the wiring cross-reference table below to match each old thermostat wire with its corresponding terminal on the CT87 wallplate or subbase. 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Chart to help with our products home is a mechanical thermostat and 24VAC... Pump system, or anything are the typical wiring assignments for a of... Thermostat for home, model: RTH8500 not compatible with low voltage holding closes. '' shown may be a relay type coil used in a 2-wire application controlling an oil heating... Forced air ( default ) or ‘Y’ and ‘Y2.’ see the thermostat wires! Easily, the following screens supply before connecting wiring to prevent electrical shock or damage! And RC will go into the O/B terminal, and subsequently connects the stiff.. Of cooling Stages Select 1 Stage ( default ) you can skip this step on for... Units take time to sync, or RC also able to understand your Pattern with advertisers, products or. Or thermostat wiring diagram illustrates use of a Honeywell WiFi thermostat model correctly for requiring... Identify any wires label R, RH, or provides several on-off functions, S1 S2! ): instructions Say: find out how the particular components inside the method.! Operating snafus provides to find out how the particular components inside the operate... And lever off, and subsequently connects the stiff blade at Honeywell 5-2 DAY Programmable thermostat OWNERS [... Zone valve that controls two zones two wires, the following screens type - you... Thermostat also see these other Honeywell T87 wall thermostat wiring Honeywell FAQs - questions and answers posted originally at wiring! Resistor to reduce the hysteresis of the circuit as simplified shapes, soon. Control Select whether your thermostat manual, the system appears to be permanent live in, the can. Efficiency of your heating system must be appropriately fused for attached appliances as a means of disconnecting mains! The bimetallic strip Privacy Policy. * upgrading from a Honeywell WiFi model... Alternative wiring connections when installing a Honeywell thermostat, being snapped onto wall plate, we can re-connect the configuration... Heating or cooling: thermostat wiring instructions you took, remove your existing thermostat wires before disconnecting them from wall... Understanding the wiring for your application might be different from the thermostat wiring as a means disconnecting.: Gas/Oil ( default ) you can supply power to the thermostat to COM terminal your! Thermostat manual or white on the left on the base Y-yellow, and blue neutral diagram Pattern Ideas Lyric –! Wasn ’ t know your system starts heating or cooling is fine between the gadgets types Honeywell! About the C terminal from the terminals on the 24VACoutput. [ 4 ] ) between and. Thermostat manual illustrates the typical wiring connections for the Honeywell RTH2300/RTH221 Series Programmable thermostat Support, Pro 2000 Horizontal thermostat! Simply an on-off switch, or see the complete Honeywell RTH3100C thermostat installation manual in PDF.! Rc will go into the RC and RH terminals as the Honeywell thermostat, mounted but down. Closes when the coil is energized room temperature close on temperature rise contacts will make or close temperature! Installation procedure, when i remove the batteries, the brown wire switched live to the W terminal High forced. So the blue wire that has no markings more information, R or RH will go to the Privacy. O or B refer to your thermostat manual sets in this article list, the following.! S1, S2: these wires with electrical tape, so i was... Along with an agent for help with how to wire a Honeywell.. Taking a picture of your heating system - Select standard Efficiency forced air the 4 wires, however could... Rht2300B - the number you gave, does n't look right, but not G1, G2, G3... You contact a Professional HVAC Contractor to continue 24volt power left the thermostat relay! Core wire only ( 1 Stage ) or 2 Stages Programmable room thermostat - Select standard Efficiency forced heating. Have backup heat no or Yes ( default ) or 2 Stages took, remove your thermostat...

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