The ecobee says that the AC should be running but the compressor unit outside is not running. ecobee is a Canadian home automation company that makes smart thermostats, temperature and occupancy sensors, smart light switches, smart cameras, and contact sensors.. The blue one was just coiled up and unused (which isn’t that rare), and my old thermostat didn’t need a “C'” wire to operate. You won't need the PEK included in the box. Then setup the Ecobee ventilator settings. The only difference between the two is that the old PEK had an orange coded wire and that was replaced with a grey coded wire. The "C" wire is a powered wire that supplies 24VAC to your thermostat. Looks like you have a heat pump (the orange O wire) and you won't need the E heating. Press question mark to learn the rest of the keyboard shortcuts. As for the thermostat unit itself, I installed the wires as follows: Rc -> Rc G -> G Y1 -> Y1 W1 -> W1 Just like the old ecobee3. And then I configure the Ecobee4 that I do in fact have a humidifier/dehumidifier? Honestly, I’ve wanted a Nest thermostat for a long time. I have an ecobee 3 lite wired up to a heat pump system. To my knowledge, I don’t have an external humidifier/dehumidifier. 42 New Ecobee4 Wire Install. ecobee Inc. website. Why aux-? I have an orange wire left over that was in the “U1” space on my old thermostat. A subreddit for ecobee and all their smart home products. Depending on your system, the Power Extender Kit (PEK) included in the box with every ecobee may be able to provide a C wire connection. The thermostats are controlled by using the built-in touchscreen, web portal, or app available for iOS, Android, and the Apple Watch. The ecobee thermostat will see that Y, and W1 are high, but O is low. If you installed the PEK, ensure R wire is connected to Rc only and G wire is inserted properly into the terminal. Your report was successfully submitted. Thermostat wire reference chart: this article explains just what wire at a room thermostat actually controls. What is a jumper? Only select the wires that run from your thermostat into the wall. I'm not getting any heat with this setup. Or do I even connect this wire at all? Instead, ecobee includes an extra set of wires they call the PEK (power extender kit). Ecobee3 Wiring Diagram Unique Hvac for Wifi thermostat 7 – Wiring. Learn how to set up your ecobee3 lite with this tutorial video. Your wire goes to Aux-. One work-around is to place a jumper between the W2 and W3 terminals on your furnace’s control board. Ecobee support also told me to put it in Aux +. have you tried toggling the reversing valve setting? After this, the steps were a little different at the two locations because one of the humidifiers is powered, and the other is a bypass configuration. While it isn't 100% accurate, if you have a white wire going into a W2/AUX/E terminal, and an orange wire going into a W or O/B, it's a good indicator that you have a heat pump system. I went upstairs, and used that tstat (Honeywell) and it worked just fine. TIP Your HVAC system can most often be found in your basement or your attic. My thermostat has only two wires. The most common need for additional wiring when installing an ecobee comes from the lack of a C wire. That makes sense, as the old thermostat let me control the humidity...it was a humidistat? If you wired up your ecobee system as a conventional system when you actually have a heat pump system, you will just want to make the necessary wiring changes and reconfigure the equipment. W2, AUX and or E (Emergency) wiring connections will normally connect to the ecobee3 W1 terminal. Although ecobee tries its darnedest to mitigate for most furnace/thermostat scenarios (and they do a great job of it too), you may not fall into the category of an easy installation. Press J to jump to the feed. I just tried it out this way, and I can’t make the dehumidifier function on the tstat work. The Ecobee 4 will start the fan when the HRV runs so this interlock wire is not necessary. I have an orange wire left over that was in the “U1” space on my old thermostat. So this is the question everyone asked me. I can post a picture of the original wiring if need be, and how I have it wired up now. Connect the G and B wires to the Ecobee 4 ACC- and ACC+ terminals. I don't understand why they are wired together. The installation requires attaching a few wires to your HVAC control board. That's dehumdiification with low speed ac. Ecobee4 Wiring Diagram Beautiful How to Install Ecobee3 Lite No C. I’m assuming it has to do with the jumpers connected on the old wiring scheme to U1. When I asked my builder (new house) what the wire was used for, he indicated that my units had a feature of using the AC as a dehumidifier, and this might be part of that, but that I don’t have a stand alone dehumidifier/humidifier. No big deal. So....should this wire go in Acc+? I see my orange and black wire are connected together in the panel. I have, either way I don't get warm air. In talking to the AC guys here, the orange wire that is wired to U1, is connected to the BK post on my furnace. Ecobee3 Wiring Diagram - Collections Of Alternator Welder Wiring Diagram Refrence Ecobee3 Lite with Pek for. Just go to where it’s located inside and outside. I’m wiring up an Ecobee4 for the first time. Knowing what each thermostat wire does can help in wiring up a new or replacement room thermostat. This data can also be helpful if thermostat wires have become mixed-up or improperly color-coded by allowing you to trace wires back to their control connection point. Press J to jump to the feed. A subreddit for ecobee and all their smart home products. Which lead me to think my black wire might be my reversing wire? By using our Services or clicking I agree, you agree to our use of cookies. Ecobee4 Wiring Diagram Unique How to Install Ecobee3 Lite No C Wire. Should be black wire be where O/B is? The yellow Y at the ecobee thermostat is still connected to C on the control board (the AC compressor relay is wired inline with the Y terminal back to the common on the control board). It would be helpful to know what kind of AC/furnace/blower or heat pump you have. I have manual staging enabled, with compressor heat delta 1 degree, aux stage 1 to compressor delta 1 degree, and aux stage 2 delta at 2 degrees. Substituting a G Wire for a C Wire As you will notice from the information above, your ‘G’ wire connects to the fan (as industry standard) and is green in color. Since on your old thermostat whenever the Auxiliary heating was to be called it would also energize the E heating and vice versa. If your system doesn’t have a c-wire, you’ll be instructed to install the PEK. If not, what was the wire used for in the first place if it’s really not an “external” unit? The HRV should already be interlocked with the furnace so the furnace fan starts anytime the HRV is turned on. https://support.ecobee.com/hc/en-us/articles/360002103091-I-m-getting-heat-when-calling-for-air-conditioning-Help-. This diagram illustrates the wiring connections for a heat-pump system with auxiliary heating. My traditional thermostat was long over due for an upgrade. However, I actually only had four wires connected to my old thermostat. If you have an extra wire that isn’t connected to any terminal on your thermostat, you can use it as a C-wire. If you have a C-wire, it will power your ecobee. It’s a Ecobee cannot be installed without a c-wire. ecobee3 manages auxiliary heating through the W1 & W2 (if there is … Press question mark to learn the rest of the keyboard shortcuts. New comments cannot be posted and votes cannot be cast. Check your AC voltage If you have a multi-meter, please check the AC voltage between Rc and C or Rh and C and ensure it is 24V. Do not include wires that are connected by a 'jumper'. I power cycle the hole AC system but it is still not working. This can be interpreted by Ecobee that the compressor is locked out and is calling for auxiliary heat if Y is triggered by Ecobee, W1 is not triggered by Ecobee, O is low, and system is in heat mode Ecobee Orange No problems at Ecobee Ecobee offers products for home automation including smart light switches and thermostats. Here’s a link where you can see the way the old panel was wired, how I have the new panel wired, and all of the equipment. If I do that, it then asks me what position the relay is at the start, open or closed...to which I have no idea. I’m wiring up an Ecobee4 for the first time. When the dehumidifier setting on the honeywell tstat is lowered below the set point, the relay in the Honeywell thermostat is opened up to kill the 24v power that goes to the BK post from the U1 post, that then tells the furnace to lower the fan speed down, Trane calls this enhanced dehumidification. It looked like this: https://www.amazon.com/Honeywell-TH8321WF1001-Wifi-Vision-Stages/dp/B01K7Y1EC6. It has a single stage compressor, and two stages of aux heat. Not the DIY type? So, looks like I have something wired wrong. Ecobee3 Lite with 3 Wire Zone Valves Ecobee Wiring Diagram – Wiring. I have a problem with Ecobee Thanks for submitting a report! Once you have the wire in place connect the leads to the ACC+/ACC- terminals on the Ecobee installation plate. I check the HVAC and find that the yellow wire is connected in series with the condensate pump. Get your ecobee installation started the right way with the ecobee app. Ecobee Orange City reports @acitymom It’s cold in my house @ecobee and I’ve been on hold with tech support for 30 minutes and your live chat is offline. ecobee thermostats do not support three-stage furnaces. Thanks Tester101 for pointing this out! x How do you rate Ecobee over the past 3 months? I checked the ecobee wiring panel and find that ecobee is not detecting the yellow wire. ecobee wire labels Label wires at your: Thermostat Control Board STEP 5 Take your Power Extender Kit, wire labels, tools, your smartphone, and go to your HVAC system. ecobee improves everyday life, while creating a more sustainable world. First, I had no wire labeled "C". The orange bars are the daily run time (hours) for my heat and the black line is the daily average temperature. 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