That did not change the settings allowed for function 360 (aux lockout) below the previously set 40 degrees and the aux heat still comes on at any temperature below 40 degrees. The air conditioner usually runs, but excess strain gets put on the system trying to compensate for the changes. Y – Compressor Stage 1 (Cooling) Y2 – Compressor Stage 2 (Cooling) G – Fan. Running the heat pump compressor in cooling below a certain temperature could cause damage to the equipment. Disabling the feature will allow the air conditioner to run when the outdoor temperature drops below 55oF. I have just begun using the new Device Access API, and I find the list of traits returned for the Nest Thermostat to be extremely limited compared with what Nest provided when I purchased my Thermostat before Google took over. There may be a compressor lockout. The thermostat shall have a compressor outdoor lockout and backup heat outdoor lockout to turn off the heat pump or backup heat based on outdoor temperature. This is set to 35⁰F/1.7⁰C by default. This is set to 35⁰F/1.7⁰C by default. Select Option 8 to view lockout temperature . Air-source heat pumps work on a novel principle: instead of directly producing the heat that you need to keep warm through the winter, the heat pump will find heat energy in the outside air and bring it into your home, using refrigerant as the medium of heat exchange.. This option can be found under the Nest Sense setting. By default the thermostat enables this lockout setting to protect the equipment. a. If you don't hear or feel the system turn on within 5 minutes, the power is off. • Menu-driven programming make setup effortless. ... To make sure that your system is off, change the temperature on your existing thermostat so that your system starts heating or cooling. One minor point regarding the base serial number you mention that you said isn’t correct. That is why you may not notice HVAC instruments switching on or off in decimal temperature changes because your thermostat is +-1,2 or 3 differential temperature rated. If so, call Customer Service : Make sure you are looking at the correct temperature display. There is no compressor lockout option with this thermostat 4. It gathers information about indoor temperature, relative humidity, air conditioner runtime, auxiliary heat operation for heat pumps, and much more. Whenever you see a green leaf and Eco on your Nest Thermostat or Nest app that means you are saving energy! C – Common. By default Nest will activate the heat pump balance, which then automatically determines the aux heat lockout temperature. When the exterior temperature drops below the minimum designed temperature, the refrigerant starts acting differently. If the temperature displays 20 to 25 degrees, it may be in Celsius (Centigrade) mode. Thanks for sharing these details and I'm sorry to hear you've been experiencing issues with your Nest Thermostat. Unlike the Ecobee thermostat, however, Nest … The work of thermostat is to adjust cph to keep temperature in this range of temperature near set point. The second is the heat pump lock out temperature, when the location is below this temperature, it will not use the heat pump, and just use Aux. Cheers, Brian You'll find the option to change the temperature scale there and press "save". I have a NEST thermostat and for some reason it is not turning on our air conditioner. Below this temperature, an electrical resistance heaterswitches on (or in your case fuel oil furnace), if required, to supplement heat brought in from outside. But for it to be effective at doing that, there needs to be enough heat energy available – and as the temperature … With this mounted near the compressor coils (mine is inside the housing), I can program the thermostat to lockout the heat strips (above 40 degrees) and the compressor below 20 degrees (balance point for this unit). FEATURES • Large, clear display with backlight shows the current and set temperature and time—even in the dark. Title[NEST01_TEMP]: Nest Temperature PageTop[NEST01_TEMP]: Nest Temperature Options[NEST01_TEMP]: gauge, nopercent, absolute Unscaled[NEST01_TEMP]: dwmy #Supress[NEST01_TEMP]: dwmy XSize[NEST01_TEMP]: 380 YSize[NEST01_TEMP]: 100 YLegend[NEST01_TEMP]: deg F ShortLegend[NEST01_TEMP]: deg F Legend1[NEST01_TEMP]: Nest Temperature … Skip to main content Hello, Sign in. Higher differential will result in less cph and vice versa. 55°F Compressor Lockout Cooling Thermostat - - Amazon.com. Before adjusting this setting, we recommend reaching out to the manufacturer of your heat pump/compressor to inquire about the safest setting. Try Prime Cart. The Eco Temperature ranges you can choose from are: 40-70 °F for heating and 76-90 °F for cooling. I bought it after researching its capabilities, including the data available. Check if the Air wave option has been turned ON. Your Nest Thermostat will automatically switch to Eco Temperatures when nobody's home. Compressor Damage. Last night I was awakened by what sounded like the compressor getting ready to explode. Being hardwired, there are no batteries to fail (run wire one time). If so, turning it OFF can do the trick. The Thermostat belongs to me. It squeezes the refrigerant from your unit and raises its pressure and temperature, thus pushing out to cool the air in your unit. You can view them via the “Settings->Technical Info” menu on the Nest itself or via the web interface. Both auxiliary and compressor lockout temperatures can be changed The lockout temperatures are only enforced when the Nest Thermostat is connected to Wi-Fi so it can track outdoor temperatures. If Wi-Fi is not enabled, Auxiliary heat will come on automatically when it takes longer than expected to reach the current target temperature This is a common question here in Manteo, NC.Heat pumps are highly efficient, but they can be confusing as well. They’ll take care of installation and make sure ... the temperature with your current thermostat and wait at least five minutes to be sure that your system doesn’t turn … The Nest thermostat has been around since October 2011, quietly collecting data on how your home — and the homes of hundreds of thousands of your neighbors — operates. Also, take note that how many stages are supported varies with the type of HVAC system. Why Nest thermostat is short cycling the AC Check Strip Heat settings - Carrier refers to this feature as "Auxiliary Heat Lockout Temperature" a. I can also read the outside temperature on the thermostat. Sign in to the Nest app in your web browser with your Google Account or non-migrated Nest Account. Why does my nest say aux heat? nest thermostat keeps running ac. Follow step 1 -a to enter Configuration mode . While many people find the winter operation of a heat pump the most difficult understand, it is during theheating cycle that the heat pump produces the most significant savings. The Nest Thermostat is designed for DIY installation, but you can also hire a Nest Pro to do it for you. Default: Disabled Press the "hamburger" menu (upper left), and then the "gear" icon. The TH8321 Thermostats provide temperature control for gas, oil, electric and heat pumps for up to 3 heat, 2 cool systems including dual fuel operation plus dehumidification control. There are two different lockout temperatures that are set on the Nest. Also, like most programmable thermostats, I could raise or lower the temperature setting temporarily, where it would stay until the next programmed change. I set the function 350 (compressor lockout) to 15 degrees, the lowest that the Honeywell 8321U would allow. The Nest Thermostat E (Nest’s budget model) supports 1 stage of heating and 1 stage of cooling, plus one more stage of either heating or cooling (so you can have 2H/1C, or 1H/2C, but not 2H/2C with a Nest E). Connect your Nest Thermostats, Nest Cams, Nest Doorbell, or Nest devices and add Nest Aware to one or more devices. Nothing could get the fan to turn in other than heat mode. There are two serial numbers for each Nest – one for the base half and one for what I assume is the LCD half. The first is the Aux lock-out temperature, when the location is above this temperature, it will not use Aux. Ultimately, running the system at these temperatures would cause the compressor in the air conditioner to be ruined. The other two thermostats … Account & Lists Sign in Account & Lists Returns & Orders. Compressor Minimum Outdoor Temperature: The compressor will not run below this outdoor temperature. In this case, replacing the compressor is a good solution. Nest 3rd gen model will turn ON the aux heat system only when it is necessary (only when the outside temperature falls below the aux heat lockout temperature). nest thermostat keeps running ac. b. When it is damaged, it will usually switch on and off faster than it should. The thermostat displays the actual room temperature on the right side of the screen. The temperature scale needs to be changed for your account, so that all your devices will be in the metric system. The thermostat can be configured for Fahrenheit (F) or Celsius (C) display. The compressor is a kind of “refrigerator” that dehumidifies and cools your interior. 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