Press J to jump to the feed. The aux heat is on, but not the compressor since it is too cold outside (-13.2). Stage 2 is now 3 hours. HVAC equipment manufacturers and the Air Conditioning Contractors of America (ACCA) do not recommend turning off the compressor at all. We get up to -30C up North here and Stage 1 is not enough. If it's below the compressor min temp, then aux will run alone. Usual required day temp is 21C and away/sleep temp is 18C. The aux heat should only kick in when the difference between required temp and real indoor temp is 1.1C (called "super" in older firmware). If your thermostat is all ready installed, you will need to make some wiring changes and reconfigure your thermostats equipment settings. So this is the question everyone asked me. ecobee recommends turning off the compressor when outdoor temperatures drop below 35˚F; however, this setting is not ideal for energy efficiency and costs. Errors have been highlighted below. Out of the box, the Ecobee does one thing very, very wrong. it been as cold as -23C here and stage 1 would hold temp, running constant though, and 2nd stage would kick on if a door was opened. We recommend OFF. The thermostats are controlled by using the built-in touchscreen, web portal, or app available for iOS, Android, and the Apple Watch. By using our Services or clicking I agree, you agree to our use of cookies. call only for stage 1 when already close to the set point, so as to run more efficiently and avoid short-cycling. Now I keep on getting alerts that the Aux heat is running. Aux Outdoor Temp Alert- If you have a heat pump with an auxiliary heat configuration, you can configure your ecobee3 to generate an alert if the auxiliary heat is called for when the outdoor temperature exceeds this programmed set point. Please, note that the solutions aren’t described in detail. Something I learned from ecobee while chatting on Facebook messenger: Once the AUX heat is engaged, It will try to complete the desire set point as the previous compressor cycle did not help satisfy the desire set point. The ecobee which costs about the same money lets you set the minimum run time of the heat pump before the AUX strips come on AND the maximum temperature lag. You can also control staging by using advanced setting options. I'm assuming the aux reverse staging works the same way. The ecobee will run the second stage of your aux heat if the current temperature is greater than the value designated in the Aux Heat Stage 2 Temperature Delta setting. Press J to jump to the feed. Select Aux Reverse Staging. If this option is enabled, the thermostat will cycle down from the higher stages so that as it approaches set point it will only be running in stage 1. As the stage 1 temperature delta is exceeded, the second stage will engage. As long as the system engaged the heat, it will keep the AUX heat on and disregard the compressor until it stops heating and starts heating again. Cookies help us deliver our Services. The compressor should kick in since it is -12.1C outside (and it runs whenever it is over -12.2C). from memory, I have 3F for the 2nd stage differential, and 2F for the reverse staging. When I called ecobee, they told me this was by design. Nest isn't the thermostat to own if you want configuration options. I asked an Ecobee Rep about Reverse Staging and he advised not to use it. Same thing at 9am, requesting 21C and it is 18.C inside and -11C outside. Installers told me the heating element is only there to maintain heat while the heat pump does its defrost cycle (or something like that). There was a problem with your login. The fact that the ecobee itself shows “Heat” … Stage 1 is set for 15 minutes. Ecobee Smart Thermostat threshold settings. So, ecobee support told me to enable the "aux reverse staging" and set the "compressor to AUX temperature delta" to 3.9C. However, I now understand that the AUX heat will probably never kick in since I never have such a differential. The furnace is currently configured to control its own staging system but I'm curious what would be the advantage of reconfiguring to have the Ecobee control the two stage system. As of 8:25am, I am requesting 21C in the house (actually requesting this since 7am), but it is 18.6C inside. This causes the following events: Temp falls 2.0 deg (the amount that triggers aux) Aux runs, along with compressor, until it goes up 1.0 deg or so (this may be my "heat_diff_temp" (not sure on that). So, ecobee support told me to enable the "aux reverse staging" and set the "compressor to AUX temperature delta" to 3.9C. The mother looks up, and puts her phone back into her purse as on the left side of the screen the kids close the door and leave the house. your 1.1 differential still applies, though that seems kinda small. I use reverse staging with ac. As the stage 1 temperature delta is exceeded, the second stage will engage. What would it do if i turn it on? They changed the base station 6 times and says they can't do anything to help. Ecobee Reverse Staging with Carrier Performance 2-stage scroll compressor Hi, I have a Carrier 4-ton Performance 2-stage scroll compressor and variable speed air handler. But I haven't experienced what you are referring. The solution, for my house, seems to be to turn on "aux reverse staging." As the stage 1 temperature delta is exceeded, the second stage will engage. the idea is that it cuts back and gets to the set point gently so it doesn't overshoot. I have an Ecobee 3 and a Keeprite two-stage gas furnace. The ecobee logo and name appear in the bubble, along with the words ‘Activity Alert’, ‘Monitoring automatically set to Disarmed by Jelani’. Confirm your “Aux Reverse Staging” – For optimum efficiency, this setting does not need to be set to enable. Ecobee 3 smarter wi-fi thermostat Pdf User Manuals. Each manual contains the most widespread issues and troubleshooting instructions for them. Due to that reason, even if outdoor temperature goes above the threshold, It will still complete the heat circle with AUX heat. Once the equipment has brought the current temperature back to within the temperature delta, stage 2 will disengage and stage 1 remain running until the set point is meet. ecobee has a robust API and an active developer community working on new ways to integrate your thermostat into your connected home. Auto Heat/Cool Allows you to use auto mode on the ecobee; ... Aux Reverse Staging When enabled, the aux heat will be disabled when the thermostat determines that it is possible for a lower stage to finish heating to the desired setpoint. A subreddit for ecobee and all their smart home products. One of its settings includes: Compressor Reverse Staging -- If enabled, the thermostat will cycle down from the higher stages so that as it approaches set point it will only be running in stage 1. That's the main reason why I switched to this method. Unfortunately, the minimum heat on time probably won't work for minimizing short cycling the second stage oil boiler since it's applicable to stage 1 as well. Touch Next to continue. Aux Reverse Staging: With this setting enabled, you will also need to enable the Aux Heat Stage 2 Temperature Delta threshold setting listed above and set a temperature value. Supplement to ecobee 3 Installation Materials from the North Carolina Electric Cooperatives Single-Stage. I would be interested to learn about other people's experience. That's the thing - the aux heat will never approach the setpoint as it is only a 5kW heating element for the whole house. Fix the Ecobee smart thermostat's most annoying feature. A2: If the outdoor temp > compressor min temp, then compressor will run first. One thing I did in the past though is removing that feature from ecobee, meaning it always try to run the HVAC regardless of the temp. My downstairs unit does have the aux heat, but we’ve never needed it which is why I opted not to get it when I replaced my upstairs unit which rarely even runs in heat mode at all, let alone needing supplemental heat. We have a heat pump and recently installed an ecobee thermostat. Press question mark to learn the rest of the keyboard shortcuts. We use reverse staging on ecobee. The thermostat calculates which stage to start the HVAC equipment in depending on the indoor and set point temperature delta. I have 2 stage heat pump. The following Advanced Energy recommendations are based on the existence of a Heat Pump system and thermostat operating per manufacturers’ instructions prior to the ecobee 3 thermostat installation. Only problem this way is that ecobee data says it's always using the HVAC even when the aux is running because it doesn't know its running. Aux Reverse Staging ‒ Enables the second stage of the auxiliary heat to be run if the current temperature is greater than the value set for the Aux Stage 2 Temperature Delta setting. Compressor Reverse Staging..... 29 Compressor Stage 2 Temp Delta ... call ecobee support for guidance. As the title suggests....could someone explain in simple terms what this is and does? The HVAC equipment will start in stage 1. ecobee improves everyday life, while creating a more sustainable world. How i use it when my away Temp is 77 and home temp 73. Gotcha. A1: Compressor will start first, since the outdoor temperature is still above -12.2 C (threshold), and then aux will engage only if the delta is greater than 3.9 C. Q2: When I am sleeping, I set the heat to 18C and request a 21C indoor temperature for 7am. Ecobee 3 Settings SETTINGS o Installation Settings (Advanced Options) Equipment Wiring = G, Y1, W1,O/B, R h, C, Y2 Heat Pump = 2 stage ... Aux Reverse Staging = On Temperature Correction = 0.0C Humidity Correction = 0% Thermal Protect = Disabled If it is too cold outside and the compressor cannot run, will the AUX heat start or will it wait to get the 14C inside since the compressor to AUX temperature delta is set to 3.9C? So if it is 19.5C inside and I requested 21C, will the compressor and aux heat run or only the compressor since it is only a 1.5C difference and the compressor to AUX temperature delta is set to 3.9C? However, I now understand that the AUX heat will probably never kick in since I never have such a differential. ; Remember Me Generally, the best comfort, energy savings, iaq, etc are achieved by doing what you can to avoid having the equipment ever shut off. We suspect among other things, start/stop losses are significant. As the stage 1 temperature delta is exceeded, the second stage will engage. Answer: mines all in F so I'm not used to C, maybe 1.1 isn't that small? Honestly, I’ve wanted a Nest thermostat for a long time. It’s a And here are the differentials from C to F: There is a reverse staging option. I did that because the ecobee outdoor temp is way off VS my real one. Supplement to ecobee 3 Installation Materials Two-Stage. If this option is enabled, the thermostat will cycle down from the higher stages so that as it approaches set point it will only be running in stage 1. I'm intrigued by the reverse staging, page 26. If this option is enabled, the thermostat will cycle down from the higher stages so that as it approaches set point it will only be running in stage 1. I replaced the Edge thermostat with an Ecobee, and am working on finding the best Cooling settings. I was tired of aux running when its only - 6 outside but it thinks its still - 17c, New comments cannot be posted and votes cannot be cast. User Name; Password Forgot Password? It comes down to tweaking things so that the aux heat doesn't come on too much while still maintaining a good comfort level. I only.l kept the temp threshold differenciql current vs requested ove 3.5c then start the aux, so if HVAC fail, ecobee will still kick the aux if needed. When I get home i have the 2 stage kick in with a 2 degree from set temp my home will get to 73 about 30 minutes to a hour depending on outside temp. Aux Heat Runtime Alert- Sets the amount of time that the Auxiliary heat source, if installed, can run continuously before an alert is generated. At 8:30am, still requesting 21C and it is 18.6C inside. The HVAC equipment will start in stage 1. Confirm your “Aux Heat Max Outdoor Temperature” – The auxiliary heat will not run when the outdoor temperature is above this point. Thanks. What could be the problem? You can set the ecobee not to use AUX heat until the heat pump has run for 30 minutes (adjustable) and/or it's 5 degrees (adjustable) below setpoint. Here are the facts: I have a heat pump and a 5kW auxiliary heat strip. The HVAC equipment will start in stage 1. Reverse staging. The Installation Guide that ships with your ecobee has the necessary instructions to wire up and install your device. New comments cannot be posted and votes cannot be cast. Stage 2 kicks in and the fan speed increases and the comp kicks in (nice even heat and massive air flow). 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