You shouldn’t ever use EM heat unless there’s truly an emergency—like your heat pump isn’t working— because backup … Installing your new thermostat. Even if you don’t know anything about thermostat wiring, you can learn pretty much everything you need to know in the next 30 seconds. The unit outside your home is a heat pump and the unit inside the home is the auxiliary heating system. Note: If the heat pump has emergency heat/auxiliary heating facility, you will find a wire leading into AUX terminal. Enter in your username and password, and then click “Sign In”. If your Ecobee was recently installed, it’s possible that the settings haven’t been changed from the factory pre-sets. Heat pump systems have two units - one outside the home and one inside the home. Due to the fact that it was dinner time, I had to get off the phone with Ecobee support. I also just bought an Ecobee Smart SI thermostat for my upstairs unit. This is when the outside is around 35-40 degrees and the indoor temperature is around three degrees cooler than the thermostat setting. Click on “Home IQ”. The ecobee selects whether to heat or cool according to your settings. If you are not experiencing one of the 3 situations listed above but your heat pump is running on AUX heat, your heat pump likely needs a professional repair. When I get up and check the thermostat, sure enough, the auxiliary heat is running. EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. Your thermostat is basically a fancy “switch” that tells your furnace, heat pump, or A/C (I’ll refer to all of those as simply your “HVAC system” from now on) when to turn stuff on and off. If your heat pump is constantly running, there are likely three main causes: Unusually cold weather: Heat pumps are designed to work much more gradually than a furnace. Now that heat has started running, I’ve noticed four times, always around 6:15-6:20 am, the aux heat has turned on despite the unit not running … Recently, I installed an Ecobee 3 thermostat and now appear to have no aux or - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. You can choose either the ecobee thermostat or your furnace to control your system's fan during furnace/aux heating cycles. This diagram illustrates the wiring connections for a heat-pump system with auxiliary heating. I have a heat pump system with aux heat. STILL NEED HELP? Does Auxiliary Heat Cost More to Run? Yes, you do get access to thermostatMode changes to Aux Heat (auxHeat) using my Ecobee Suite, and it is fairly easy to build a RM Rule to send you a Notification based on changes to that attribute (and close to 100 other settings & attributes that Ecobee themostats support). (Note: when doing my humidifier work, I never touched the Ecobee wiring). Water Heat Water heater settings. I tried resetting the Ecobee completely to no avail. 1 (ecobee3 lite Pro is incompatible with accessories). The handler in the attic is a Goodman ARUF032-00A-1C. Which is extremely easy to do with an Ecobee thermostat. Next, he had us pull off the thermostat that was not working correctly from the backplate and check the wiring. It does not support virtually any other kind of heat pump, such as a 1-stage heat pump with separate 2-stage furnace heating (dual fuel) or a 2-stage heat pump with/without AUX heat. Update amazon now offers a free smart home consultation It is currently wired to a Simple Comfort 2201 thermostat. Heat Custom Settings Custom settings you created for heat. Learn more. Aux Heat We got a new Reem Unit in September, we have been very happy with it and the huge improvement in our electric bill for the past 2 months. Heat systems, and accessories. Wiring – Heat Pump Thermostat (Single Stage) Identifying Multi Stage Heating/Cooling Systems Single Stage Heat Pumps – will have only one wire (for both heating and cooling) leading into Y terminal. Limiting the use of auxiliary heat can be an effective means of saving money. *The Nest Thermostat E supports a single stage heat pump with/without AUX heat and a single stage heat pump with separate single stage furnace heating (dual fuel). Auxiliary heat is when the secondary heat source turns on automatically. For example, I can tell when the auxiliary heat is on, because hot air is blowing on me, but the app will just say that the regular heat is on. Ecobee has no concept of emergency heat like my old thermostat. ecobee3 manages auxiliary heating through the W1 & W2 (if there is more than 1-stage of aux heat… I eventually had to wire it up so the oil heat is the AUX heat and the heat pump is turned off when the temps fall below 40F. Aux Heat Auxillary heating has been turned on. I have been using the ecobee since April and I have noticed this winter that my HP is not quite keeping the house warm without using the auxiliary heat a lot. Emergency Heat. I recently purchased my home and do not fully know what equipment I have. Heat pump running constantly. I have the lockout set to 20F and compressor lockout set to 10F. Cool Custom Settings To limit auxiliary heat and lower your heating costs, a critical first step is to set a lower indoor temperature. Learn how to get your new ecobee Thermostat up and running. Unfortunately, the only way to view your Ecobee’s usage history and reports is through the web interface. If you notice that your auxiliary heat seems to be coming on too frequently or you get an alert that says “auxiliary heat running too long,” there may be a simple fix that could save you a service call. Aux Water Heat The auxilary threshold has been reached and is running for your water heater. I double checked wiring and it is all as I left it. My upstairs unit is an air conditioner/heat pump with emergency heat. W2, AUX and or E (Emergency) wiring connections will normally connect to the ecobee3 W1 terminal. Emergency heat is when you turn on a secondary heat source manually. To begin, go to Ecobee’s website on any computer and click “Login” at the top. This means, when the temperatures start to drop and your heat pump cannot produce enough hot air to warm your home the aux heat will turn on. Auxiliary Heat vs. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. It’s possible that, if the weather is especially cold, your heat pump could run near-constantly without there being an issue. Our support team is waiting to help you. If it’s 30 degrees outside, it is unreasonable to expect the system to maintain an indoor temperature of 78 without using the heat strips. If it's telling you it's running aux heat and the house is getting cold - and you can't feel hot air coming out of your vents - then I'd say you either have a wiring problem or an actual aux heat … The main screens in Ecobee’s iPhone app. Auixiliary Heat will turn on automatically when heat can no longer efficiently transfer heat from the outside air to heat pump. When I have the heat on, the Ecobee indicates that the "running equipment" is the fan AND heat (even though the heat is not on). When set to "thermostat", the ecobee will operate your system fan differently than your furnace during heating cycles by sending the signal to run the fan itself rather than relying on the furnace to do so. Ecobee Multiple Zones: Everything You Need To Know About Ecobee Zone Control The key feature of the Ecobee3 is the Ecobee multiple zones feature. This feature requires an Internet connection to function properly 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. Emergency heat is supposed to be used when the heat pump fails. ecobee thermostats are now compatible with even more 24v systems, including conventional, 2- and 4-pipe FCU, 2-Pipe FCU + Auto Changover, Highrise Heat Pump, Aux. I have heatpump with AUX heat (W1), and emergency oil heat (E). This feature lets you put Ecobee smart thermostats, or even thermostats from another brand, in multiple zones. So we could tell right away after checking our connections that everything was set up right. This installation guide includes step-by-step instructions that make it easy to install and wire your new thermostat. The weather is especially cold, your heat pump systems have two units - outside... 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