This temperature range is recommended to maximize the efficiency of your dual fuel heat pump before gas furnace backup heat comes on to maintain comfort at lower temperatures. This is set to 35⁰F/1.7⁰C by default. ecobee 3 recommends 35˚F.” The manufacturer of your HVAC equipment does not recommend disabling the outdoor compressor nor does ACCA Manual H. Select Cancel to acknowledge this warning, save your settings and get back This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. As the overnight lows approached freezing, the heat pump didn't seem to keep up and morning temps in the house were much cooler than the Ecobee setpoint. That is, weather at your house, not the weather station. Ecobee pops up with a warning saying not to turn it off, and set it to 35F. Ask Question Asked 4 years ago. In 600 seconds the temperature drops by about 1F and I don think the HP alone will able able to maintain/increase the temperature (at least why it’s 30F outside) stage1HeatingDifferentialTemp: Integer no: no: The difference between current temperature … Read the ecobee installation materials carefully and only install the thermostat yourself if you are comfortable with electrical wiring and device setup. My heat pump can work upto -14C outside (what you call Compressor Minimum Outdoor Temperature), but the only settings I have are -12.2C (which is 10F) and -15C (which is 5F). My heat pump can work upto -14C outside (what you call Compressor Minimum Outdoor Temperature), but the only settings I have are -12.2C (which is 10F) and -15C (which is 5F). That's why, recently, I awoke feeling like I was sleeping in a sauna. The ecobee EMS can be configured to perform a number of predetermined actions through the use of the 2 dry contact inputs and/or the 3 accessory relays outputs. Aux Heat Max Outdoor Temperature: set to your balance point, which you can find out where the outside ground temperature cannot heat your home sufficiently – this can be seen by looking at your heat profile diagram. ecobee 3 recommends 35˚F.” The manufacturer of your HVAC equipment does not recommend disabling the outdoor compressor nor does ACCA Manual H. Select Cancel to acknowledge this warning, save your settings and get back I completely locked out the heat strips by setting the outdoor temperature threshold for aux heat to 25F and the minimum compressor outdoor … That seems really high to me. Heat Differential Temperature: 1.0°F; Cool Differential Temperature: 1.0°F; Compressor Min Outdoor Temperature: 0°F With my ecobee set on auto this prevents damage to the ac by turning on while it’s too cold outside. The bees' knees: Ecobee SmartSensor 2-Pack, White I am new to heat pumps, so I … Lower your “Compressor Min Outdoor Temperature” – The compressor will not run below this outdoor temperature. Ecobee 3 smarter wi-fi thermostat Pdf User Manuals. I am also considering lowering the compressor min cycle off time to 300 seconds. the inaccuracy of the ambient temperature values obtained via the Internet that I assume the Ecobee uses to determine the current "outdoor temperature". For heatpump systems, its also crucial to know and set the minimum outdoor temperature that the heat pump can run with - otherwise the thermostat will lock out the heatpump and change over to aux heat as the weather outside will be too cold to run the heatpump unit that's sitting outside. Need more help? stage1CoolingDifferentialTemp: Integer no: no I assume there's no alternative of providing a "local" - and much more accurate - temperature value to the Ecobee for this setting? When you make a manual temperature change, it stays that way until you clear it. In this option, please select what you find best fits for you. Compressor Min Outdoor Temperature This is the outdoor temperature where your compressor will no longer be allowed to run. outdoor compressor stage (speed). My heat pump can work upto -14C outside (what you call Compressor Minimum Outdoor Temperature), but the only settings I have are -12.2C (which is 10F) and -15C (which is 5F). A subreddit for ecobee and all their smart home products. Can you please implement another value, let's say -13.6C (which would be … ecobee SmartThermostat installation. Min Outdoor Temp Disables the compressor when the outside air temperature reaches the configured minimum setting. Confirm your “Aux Reverse Staging” – For optimum efficiency, this setting does not need to be set to enable. We have a heat pump and recently installed the ecobee 3. Aux Heat Max Outdoor Temperature: set to your balance point, which you can find out where the outside ground temperature cannot heat your home sufficiently – this can be seen by looking at your heat profile diagram. I completely locked out the heat strips by setting the outdoor temperature threshold for aux heat to 25F and the minimum compressor outdoor temp to also 25. By using our Services or clicking I agree, you agree to our use of cookies. In other words, if the Ecobee uses an Internet derived temperature to determine the outdoor temperature, it could think it's below the minimum temperature threshold when it's not. Configure the settings as required. Select Main Menu > Settings > Installation Settings > Enforces a minimum outside air temperature at which the Thresholds > Heat Differential Temp. This performs two functions. ecobee recommends turning off the compressor when outdoor temperatures drop below 35˚F; however, this setting is not ideal for energy efficiency and costs. Hello ecobee. What could be the problem? Min Outdoor Temp: Allows you to set the minimum outside air temperature at which the compressor will be disabled. The HVAC contractor made a house call and didn't find anything wrong with the heat pump unit. Even though a heat pump becomes much less efficient and useful at … As noted in the ecobee 3 installation guide, the installation and set-up of this thermostat should be performed by a licensed HVAC contractor who is knowledgeable in the operations of your HVAC system. There are a few different options available on the market, so here are the best HomeKit temperature sensors that money can buy you right now. Allows you to set the minimum outside air temperature at which the compressor will be disabled. Ecobee support may be able to tweak this if you're seeing wild differences but I'm not sure. In 600 seconds the temperature drops by about 1F and I don think the HP alone will able able to maintain/increase the temperature (at least why it’s 30F outside) Compressor Minimum Outdoor Temperature ‒ Sets the minimum outdoor temperature below which the compressor will not run. After … This binding communicates with the Ecobee API over a secure, RESTful API to Ecobee's servers. The minimum outdoor temperature that the compressor can operate at - applies more to air source heat pumps than geothermal. Heat Differential Temperature: 1.0°F; Cool Differential Temperature: 1.0°F; Compressor Min Outdoor Temperature… Advanced Energy considers a single-stage heat pump to have one outdoor compressor stage (speed). With a HomeKit temperature sensor, you get the report on the current temperature of any given room, either through the Home app or via Siri. What this also does is in the spring and fall when it’s too cold outside it allows the furnace fan to run and circulate the air inside my home and keep it at a nice temperature. Active 3 years, 11 months ago. Compressor min outdoor temperature. (ACCA) do not recommend turning off the compressor at all. Now the Compressor to Aux Runtime is not grayed out. If you are worried just turn the minimum threshold down to 25F from 35F, that will cover any 10 degree discrepancy. Yet on the page that offers definitions on these settings, it says this is used for air-to-air compressors, which is what I have. It prevents the compressor from running when the outdoor temperature … Step7 8 Compressor Min Outdoor Temperature - Disabled Step 9 Aux Heat Max Outdoor Temperature Choose between 30 and 45 Push Save Step 10 Compressor to Aux Temperature Delta - 3˚F Step 11 Compressor to Aux Runtime - 30 min … My heat pump can work upto -14C outside (what you call Compressor Minimum Outdoor Temperature), but the only settings I have are -12.2C (which is 10F) and -15C (which is 5F). Discharge temperature should usually not exceed 200F and in no circumstances be higher than 215F. Unless the heat pumps they install in Arizona are significantly different than those in the midwest, you should be able to set that to 0°F. Before adjusting this setting, we recommend … … I noticed AUX heat was running a lot (mainly due to warnings popping up on the thermostat), so I started digging and found that the setting for "Compressor Min Outdoor Temperature… I just purchased an Ecobee3 and I'd like to minimize the aux heat usage by setting the "Minimum Outdoor Temperature" setting to the lowest possible value. As noted in the ecobee 3 installation guide, the installation and set-up of this thermostat should be performed by a licensed HVAC contractor who is knowledgeable in the operations of your HVAC system. Compressor Min Outdoor Temp On Thermostat: 1. I noticed AUX heat was running a lot (mainly due to warnings popping up on the thermostat), so I started digging and found that the setting for "Compressor Min Outdoor Temperature… Compressor Min Outdoor Temperature Step 8 Step 7 Compressor to Aux Temperature Delta Step 10 Aux Heat Maximum Step 9 Compressor … David, I bought an ecobee for our heat pump. During the setup it asked what the minimum outdoor temperature to still run the compressor should be. stage1HeatingDifferentialTemp: Integer no: no: The difference between current temperature and set-point that will trigger stage 2 heating. Temperature for heat is -10º F. Can I set the min outdoor temp closer to that (Ecobee3 L only goes to 0º and then disable), like 5-10º? 1 User Guide ecobee3 ©2014 ecobee 250 University Ave | Suite 400 Toronto | Ontario | M5H 3E5 Canada Toll free 1.877.932.6233 www.ecobee.com Is a Password Required? This is set at a default 35F (1.7C), so the heatpump will not be used when the weather outside is below 35 degrees Fahrenheit … It prevents the compressor from running when the outdoor temperature is too low, thus resulting in damage to the compressor. This is set at a default 35F (1.7C), so the heatpump will not be used when the weather outside is below 35 degrees Fahrenheit and only aux heat will be used in this case. I am also considering lowering the compressor min cycle off time to 300 seconds. As the OAT drops relative to the indoor air temperature, the compression ratio increases causing higher heat of compression and reduced coolant flow through the compressor. I would recommend to set a value for these thresholds first and that should eliminate the aux heat turning on sooner than needed.This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMP TO AUX DELTA. I've released a new version which allows the ecobee users to change this value if needed. Min Action Duration: Allows you to program the minimum amount of time the system will perform this action. If you're a bit technical, with SmartThings (Home Automation Hub), you could use My Ecobee device to change the value of the 'auxMaxOutdoorTemp ' setting dynamically when needed using the ecobee APIs. Could this be the case? My heat pump can work upto -14C outside (what you call Compressor Minimum Outdoor Temperature), but the only settings I have are -12.2C (which is 10F) and -15C (which is 5F). This performs two functions: You can set it to prevent the compressor from coming on when the outdoor temperature is too low, thus resulting in damage to the compressor. I assume there's no alternative of providing a "local" - and much more accurate - temperature value to the Ecobee for this setting? I use Beestat and my 0F Heat change is 20F. Heat pumps work fine and still produce heat at a cheaper rate than your aux at below-0 temperatures. Hello ecobee. Can you please implement another value, let's say -13.6C (which would be … When complete, ✓select the “<”symbol in the upper left corner at which time you will get a Warning message that states, “Compressor min Outdoor Temperature for air to air Heat Pumps should not be … Monitoring ambient temperature … This options allows you to use an outdoor temperature … To also avoid short cycling and increase equipment efficiency, you can go to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > ​HEAT DIFFERENTIAL TEMP > and change this to a higher value so that the system turns on for a bigger temperature drop and reduces short cycling. Out of the box, the Ecobee doesn't work that way. based on outdoor temperature or on indoor heat differential, etc. Call and did n't find anything wrong with the ecobee API over a secure, RESTful API to ecobee servers! Between 30 and 45 degrees ; select Save without Aux heat = compressor min Outdoor Configures. 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