Ecobee old furnace Keep in mind, all ecobee thermostats except for Smart Thermostat Essential and Smart Thermostat Lite come with the Power Extender Kit in the box, so you will not need to buy it separately unless you pick up Smart Thermostat Essential or Lite. Check the furnaces control board if there is a C terminal. An illustration of an ecobee thermostat seen from the front and set to 22 Celcius. Discovered the Wiring Terminals were old so the HVAC control setup needed to be changed. Use the G wire (usually green) as the C wire. Its an unusual setup today since most recent furnaces have different cooling/heat/fan profile. Insert the New Filter. Donyou have any suggestions on how to connect up a C wire? There is an X terminal at the furnace. I've gone It’s easy! Simply use the Thermostat Compatibility Checker to see if your home needs our Power Extender Kit. Or a separate 24 VAC power supply. Furnace overheating: Furnaces have a temperature sensor for safety. trying to replace my old water furnace thermostat with an ecobee. The following is what worked for me: 66 > W (From PEK) G > G B > Wire not in thermostat bundle (white in my case) + PEK C Wire Y > PEK Y + other wire not in thermostat bundle (red in my case) R > PEK R Thermostat wiring was the same (Rc, G, W1, PEK). The other furnace was on the 2nd level. the old thermostat had a 4 wire communicating setup to the control board. Generally with Ecobee and other smart thermostats, you ignore the jumper. W is sending that same 24 V AC back to furnace for ‘ignition’. Conventional, non HP. Ensure your furnace unit is the ideal size for your home. The model of the furnace is 3300A841. Use the stickers that came with the ecobee to label each wire as either R, G, W, or Y. If your furnace won't turn on or isn't heating, here are the common causes and how to troubleshoot: Check furnace power: Verify the furnace breaker switch at the main breaker panel. The yellow thermostat wire is connected to a red wire by a wire nut, and that runs to the condenser I assume. This one was easy to since it's in the basement and easy to get a gas line to. If tripped, switch it back on. This means getting the heat pump that will run the most efficiently, and if you live in a northern climate, installing an electric resistance backup heater or using your old furnace to pick up the slack on the chilliest days of the year (colder than −22°F (−30°C)). Find your circuit breaker for the Furnace/Air Handler and turn it OFF. This wire is normally Red. Can't find old documentation if this thermostat supports 2 stage and a variable speed fan. Search for a blocked exhaust flue. Since the ecobee getting power from the furnace, that is why the ecobee turns off. Attach it to the C terminal in the furnace and on the thermostat. The old furnace and AC were only connected to the Ecobee with 4 wires: Rc, Y1, W1, and C. . Would this possiably be a C? Have an old school oil furnace, with a 1970's Honeywell mercury switch. 2 Dual-fuel HVAC systems (also known as a hybrid, split, or packaged system) include a heat pump for primary heating and cooling and a furnace (gas or oil) to provide up to two additional stages of energy-efficient heating on extremely cold days. I followed EcoBee's instructions, which pointed me to use as C-wire the unused wire I had there, which was disconnected from Sep 1, 2020 · I was visiting a friend's house and they asked me to install a smart thermostat! Upon inspection, the cabling was missing the C wire. Get started Oct 23, 2022 · The table below explains the compatibility of Ecobee 4 and Ecobee 3 Lite with a wide variety of heating/cooling systems out there. It came installed with a Lennox iComfort thermostat. Remember to turn off power to the furnace before opening its cover(s). Dec 10, 2017 · As noted in the earlier posts, the yellow wire running from the 24VDC transformer inside the furnace is a key connection for using the ecobee adapter. The touchscreen on the thermostat has failed. Jan 15, 2024 · Locate where the thermostat wires connect to the furnace or air conditioner. Locate the schematics diagram, usually on the furnace door or the back of the air conditioning unit. If your furnace begins short cycling, you'll have to: Replace the dirty filter. One work-around is to place a jumper between the W2 and W3 terminals on your furnace’s control board. Aug 28, 2023 · Instead, make sure your installer “right sizes” the heat pump. Inspect for any air leaks. There is no C connection at the furnace to hook a C wire to. Apparently this isn't all that uncommon. I already had an Ecobee since they worked better with heat pumps and it had sensors I could put throughout the house. If no wire is connected to the C connector on your old thermostat, i n most but not all cases, you can use an unused wire in the wire bundle as the C wire. My old furnace was identical. (switch #4) Post a wider angle picture of the Customer: I am trying to install an Ecobee to an old Colman Furnace. Nov 16, 2024 · Hey Folks - we've got a 10+ yr old original 1st gen ecobee3 thermostat, and we just had a new Lennox EL297V furnace, that has 2 stage heating (low/high), along with a variable speed fan. This will work if you can get power to the thermostat, either by running a new wire to the furnace for the C wire, or using a plug-in transformer. The HVAC company that installed the furnace quoted me $1200 to replace the thermostat with a newer Lennox iComfort Dec 6, 2020 · I have an old (2006) two stage gas furnace with a variable speed blower motor (Trane XV80). You need a C wire (‘common’ which really is a neutral) in order to power the EcoBee from the furnace. Background: I have a six year old Lennox EL296UHV (2 stage, variable speed) furnace. These panels are typically located in or around the furnace/air handler. This straightforward checker will help you determine if an ecobee thermostat is the right fit for yours. Simple 2 wire - the mercury just touches two wires, and completes the circuit to turn heating on. This wire is normally White. Remove the Old Filter. The board switches look like it's setup for a heat pump. It's a pretty large house. The options were: ecobee thermostat HVAC I've chosen HVAC. An illustration of an ecobee thermostat seen from the front and set to 72 Fahrenheit. In the process I wanted to connect a smart type thermostat (Honeywell 7 day wifi connected). Get started. My solution was with the settings inside the ecobee. The new furnace was installed last week and the heat pump is going to be installed later today. Replace the old furnace unit. Jun 22, 2018 · On your old thermostat it looks like when you turn on the A/C the thermostat activates the furnace fan (G) but bypasses the furnace to activate your outdoor A/C compressor(The twist-on wire connectors). What ended up fixing my issue had nothing to do with my furnace or wiring. Oct 28, 2017 · Thermostatic Controls - Connecting EcoBee to an old Ruud Electric Furnace - I tried to self install the thermostat, but I cannot locate the control board for this furnace, to connect the C-wire. I have an old furnace from 1976 that doesn’t have a control board, I cannot figure out how to wire the ecobee into it. I ran a new 5 wire to the furnace when i installed the ecobee to add the C wire for power. The most common reason that causes the furnace to power off when the thermostat is calling for heat is a dirty furnace air filter. ) After doing some research it seems I can just get the PEK adapter in place of the C wire. Refer to the schematic as you go, to help you identify the correct wires. Check the new filter for an arrow indicating the airflow direction. Nest 3rd Gen & Nest E Nest thermostats are compatible with a wide range of HVAC systems, especially the Nest 3rd Generation Learning Thermostat. since that wasnt going to work with the ecobee, i pulled in new wire and hooked up the R, C, Y1, Y2, O, G wires. Sep 5, 2023 · If your furnace has operation problems, it will not fulfill the Ecobee thermostat's commands. I've recently installed Ecobee SmartThermostat (aka Ecobee 5th gen) and it asked how do I want to control fan in heat mode. Since the house was old I only had 2 wires in the wall so ran thermostat wiring. You’ll lose independent fan control. 1 1 Smart Thermostat Enhanced only supports 2-stage heat pumps and 1 stage of auxiliary heat. My HVAC is a Goodman 98% high efficiency and is only about 2 years old. (switch #1, and #8) However, it isn't wired like that. everything should be hooked up correctly but whenever i turn on my breaker for the furnace it A wire connected to the W3 terminal on your current thermostat indicates that you have a three-stage furnace. Open the filter panel and remove the old filter. Because We’re replacing a 30 year old furnace and a 15 year old AC unit (non heat pump) that could wake the dead We would like to hyper index on efficiency, but if it is a 10% 20-30$/month difference between the two units…but it’ll be more convenient to use, we’d opt for convenience. This wire is normally Blue. This specific info allowed me to update/upgrade my 30+year old heating/cooling system into a smart-home controlled via Apple’s HomeKit. Lucky for me my furnace had a users manual and in looking at the wiring diagram it showed the C wire going to the ground in the junction box in the furnace. Good to know: For reliability, ecobee thermostats require a C-wire connection or the Power Extender Kit (included in the box) to power the system. I would also change the purge delay to 120sec instead of 90sec. The technician commented that they would need to figure out the correct thermostat wiring when they install the heat pump. ecobee thermostats do not support three-stage furnaces. Even worse there was no Sep 20, 2023 · The ecobee fan should always be set to the "fan controlled by furnace" option due to the zone panel. I've been considering getting an Ecobee but I have an older furnace and no C wire (4 wires running now. Dec 31, 2024 · Connect it to the C terminal in the furnace/air handler and the C terminal in the thermostat. Troubleshooting Furnace Heating Issues. I watched a fair number of videos and it seemed pretty straight forward however once I opened up the furnace the layout of the board is a mess of wires Replaced one furnace in 2018 with a Bryant 2 stage gas furnace but kept the condenser. gxs zhx zyqvemx sdlbnc fter ovpmdbn rvs qxsacr aih esvvg xgvkvl rtph htgl xtoyl ntfaxs