auxiliary heat lockout temperature

For some homeowners, the “AUX” heating source will be electrical resistance heating, which are essentially large wire heating elements that are heated by electricity. Page 21 T10 PRO SMART THERMOSTAT WITH REDLINK Table 5. • Displaying the remote/outdoor temperature on the LCD • Using the remote/outdoor temperature to lockout the compressor or auxiliary heat • Using the remote/outdoor temperature instead of the built-in sensor Scheduling function with two or four periods per day and the following day/week options: I would like to change my heat pump balance point so that the heat pump isn't used once the outside temperature drops below above 40F. Ventilation control with ERV/HRV or fresh air damper. Similarly Chilliness can spread by air … To be safe, disable the Aux Lockout if you go away. Do not switch to emergency heat when the outdoor temperatures dip below 35ºF––your auxiliary heat will automatically step up to supplement your heat pump. COMPRESSOR LOCKOUT Below the selected temperature the compressor does not operate, except in defrost cycle. I control that temperature through my WIFI Thermostat. This way, the aux heat can engage if you have a system lockout, and keep the house from freezing. And when outdoor temperatures drop too low, there’s simply not enough heat in the outdoor air to keep your home warm. This 3-degree “trigger point” is programmed into the thermostat by the manufacturer. Model TH6220WF2006: Up to 2H/1C Heat Pump systems or up to 2H/2C Conventional systems. If ice starts to build on your heat pump’s outdoor unit, your heat pump will undergo a “defrost cycle” to melt it. Auxiliary heating is provided by a Fuel Fired Booster Heater (FFBH), which boosts the temperature of the coolant supplied to the heater from the engine. Either of these can be set to Off, or from 5-55F in 5 degree increments. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. Once it gets close to the actual setpoint, the aux heat de-energizes and the heat pump mode of the system remains operating to generate heat and will shut off if the temperature is satisfied. In many heating systems, auxiliary heat comes ON when the outdoor temperature drops below a certain threshold. Selectable 0, 12 … If outdoor temperature is in-between the high and low balance point, both the heat pump and auxiliary heat sources can operate. 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. It does seem to be kicking in frequently instead of normal heat and got an alert that my "Aux Heat was running for more than 180 minutes". Just leave your thermostat’s setting on Heat, and let it do its thing. Need more help? The heat pump mode is operating but can not keep up. On my system, they are set as follows: Option 08 = Of Option 09 = 45. Up to 3H/2C Heat Pump systems or up to 2H/2C Conventional systems. The Emergency Heat setting should only be used when the outdoor unit of your heat pump system is not working properly. 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. The auxiliary heat would kick in at this point to help maintain the temperature in the space. Please Note: if OAT is less than Auxiliary Heat Lockout temperature setpoint the auxiliary heat may engage e. Each test wil l run for a maximum of 60 minutes or until manually terminated : f. Wait at least 10 minutes before taking static pressure readings and inserting flow plate for TrueFlow plate test. “0” means that the auxiliary heat lockout is disabled. If outdoor temperature is below the low balance point, only auxiliary heating will operate - default 25°F (-4.0°C) low. The thermostat shall have a compressor outdoor lockout and bac kup heat outdoor lockout to turn off the heat pump or backup heat based on outdoor temperature. If you contact me off list, I can assist with further troubleshooting. For example, if your AUX lockout temp is 40ºF or 4.4ºC, then AUX heat will come on when the outdoor temperature drops below 40ºF or 4.4ºC. Auxiliary Heat. Auxilliary heat lockout? This is an outdated page. The auxiliary heat comes on when it is 1.5 degrees cooler in the house than the thermostat set point. That said, even though electrical resistance heating warms your home quickly, we would caution you against triggering your system’s AUX heat unless absolutely necessary. Heat pumps work most efficiently when maintaining a temperature. Auxiliary heat (Only for heat pumps with auxiliary heat) Low battery Temperature setting warning Display screen Press the FAN button to select: Auto: Fan runs only when heating or cooling system is on. Please Note: if OAT is less thanAuxiliary Heat Lockout temperature setpoint the auxiliary heat may engage. Below, we’ll look at the situations in which your heat pump is unable to heat your home via heat transfer (and may need to use AUX heat). The Lockout temperature is set lower than usual but not to the lowest setting. Note: Normal programmable thermostats have one way to control AUX heat: the AUX lockout temperature. Any suggestions? Single stage heat pumps with or without auxiliary heat 250mv – 750mv millivolt heating systems: Control Range: 45° to 90° F ( 7° to 32° C) Display Range: 40° to 99° F (5° to 37° C) Accuracy +/- 1° F (+/- .5° C) Temperature Differential.5°, 1°, or 2° F (0.2°, 0.5°, or 1° C) Storage Temperature: 14° … Although this situation is rare in Arizona, it’s common in colder parts of the country. Fuel for the FFBH is taken from the vehicle fuel tank, through a fuel line attached to the fuel pump module. Many homeowner misuse this setting more than any other. However, when your heat pump is unable to meet demand via heat transfer, it will tap into its backup heating, or “AUX” heat. I live in Pittsburgh Pa. temps are getting to be around 14 degrees with colder wind chill factors...earlier this yr with the help of 2-3 folks on this forum I purchased a 3.5 trane heat pump and airhandler and also a tcont800 series touch screen thermostat I think everything went well. system called a "heat pump", and live in an area where the temperature in the winter goes below about 50°F (or 10°C) then you probably have something called "emergency heat" or "auxiliary heat". Need a professional’s help to diagnose your heat pump? December 11, 2017. Auxiliary heat is allowed to operate whenever sufficient demand for heat is available. Only auxiliary heat functions below lockout. When the heat pump can no longer maintain the desired temperature setting, then the auxiliary heat must come on to assist. Your heat pump absorbs heat from the outdoor air via refrigerant lines and carries that heat inside where it’s used to heat your home’s air. Option 08 —Auxiliary Heat Lockout Temperature This selection is available on heat pump systems with a valid outdoor temperature sensor connected. iii Glossary of Terms Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. I am hoping to get more low temperature use out of my heat pump so as to use the heat strips as little as possible. When the heat pump can no longer maintain the desired temperature setting, then the auxiliary heat must come on to assist. Mine is not Honeywell, so check your instructions. There isn’t enough heat getting to the heat pump. Emergency Heat. Get in touch with our support team. What could be the problem? When the outdoor temperature drops below this setting, the thermostat will stop using the heat pump for heating and only use the auxiliary heat. If it’s an unusually cold Arizona day, it’s normal to see AUX heat on your thermostat. In this option, please select what you find best fits for you. So I would like to set the heat pump not to run below, say, 20 degrees and just use the aux. This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. See Dual Fuel Heat Pump control on page 22. Off Turning off “Heat Pump Balance” means that the AUX heat only kicks in depending on what you set as a lockout temperature. Auxiliary Heat Lockout must be set to ≤ 35 degrees to meet specification . Hopefully this article has helped answer that question, and any others about heat pump temperature ranges, and what you can do to improve heat pump performance when it gets below 25-30 degrees. Balance point/auxiliary heat lockout plus 2° droop. 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). Just contact us and we’ll send one of our Phoenix techs right over. If you’ve been running your heat pump in heat mode and you’ve noticed that your thermostat is reading “AUX heat,” you’re probably wondering: AUX heat refers to your heat pump’s “backup” electric resistance heating. 35), the compressor is locked-out and ONLY the auxiliary will run when the outdoor temp drops below the specified temp. Yes, Logic Option - No Sensor Required or Outdoor Sensor Option - Outdoor Sensor Provides Outdoor Temperature Setting to Lockout the Heat Pump and Switch to Gas Heat Heat Pump Auxiliary Lockout Control - Outdoor Sensor Option Outdoor Sensor Provides Outdoor Temperature Setting to Lockout Auxiliary Heat Remote Sensor Options 1 Indoor or Outdoor Power Source Battery, Hardwire, Power … The TH8320 Thermostats provide temperature control for gas, oil, electric and heat pumps for up to 3 heat, 2 cool systems including dual fuel operation. As the name indicates, auxiliary heat, or emergency heat depending on your system, is just a secondary heat source. Note: Normal programmable thermostats have one way to control AUX heat: the AUX lockout temperature. This threshold is known as lockout temperature. Heat transfer is the most efficient (and cheapest) type of heating, and it’s your heat pump’s main solution for heating your home. If temperature is not reached in a reasonable time, set the upstage timer (Function 0346). The heat pump lockout temperature can be used to force a switch from heat pump operation to auxiliary heating. The outlet temperature with and without Aux heat depends on outdoor temp, wattage of electric heat strips and CFM setting. As we mentioned above, heat pumps absorb heat from the outdoor air and then move that heat indoors. Which is 1.5 to 2 degrees lower than thermostat set point - the electric heat or auxiliary heat would then come on to make up the temperature difference. Our suggestion would be to reach out to a professional as soon as possible. If your heat pump seems to be stuck on auxiliary heat mode and the temperatures outside are above 35 degrees, you should call the professionals at Precision Heating & Air. Will start soon 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. Synopsis module residential; class house { double aux_heat_temperature_lockout[]; } object house { aux_heat_temperature_lockout value; } Remarks. If it gets colder outside than the set lockout temperature, your heat pump will use AUX heat. AUXILIARY HEAT LOCKOUT Above the selected temperature, auxiliary heat will only run during defrost operation. Secondly, it means the outdoor temperature is too cold, so your heat pump is using “backup” heat to heat your home. Selectable from -10° to 35°F or off*. Auxiliary heater Part #: 7E0963273A Component: STH-T5GP2 Coding: 4101 (hex) Fault codes: 00056 Blower engine for temperature sensors inside (V210) 00002 Transmission Control Unit 00057 Actuator shut-off valve b-column and floor space, right (V211) 00135 Left Front Wheel Acceleration Sensor (G337) I think that the fault code descriptions may be wrong, especially the 00002 … Pssttt...if you live in Phoenix or surrounding areas, we can help you determine what’s wrong with your heat pump and fix it. Here’s how it works. 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. With Heat Pump Balance, you don't have to worry about the AUX lockout temperature. Most of today’s thermostats are programmable and allow you to set a schedule to match your preference. For example, let’s say that you wake up to a cold home (62° F) and immediately raise the thermostat to 68°. 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. Your Duplicants, your plants and your items will suffer and break if their temperature is too high or too low. Location: usa. I thank you for any replies I get. Aux heat should only kick on when the heat pump can’t produce enough heat to warm your home on its own. Auto Fan System MCR29409 Auxiliary Heat On Heat Setting Inside72 72 Replace Battery Auto Fan Heat System MCR29406 Heat: Heating system control. Option 08 - Auxiliary Heat Lockout Temperature. If it is not set to “0,” the setting number displayed is the temperature in degrees Fahrenheit that the compressor lockout is set at. 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. The important thing to remember is that “AUX” heat is fast and dependable but it’s also more expensive than heat transfer heating. The environment can get warmer through items that produce heat, creeps through walls and resources, even your Duplicants produce and spread some heat by mere existence. c. Auxillary Heat Lockout (strip heat lockout) must be set to "35" or lower to meet PTCS specification . And if you do find yourself in the position of needing to use your emergency heat, turn it on, but then call one of our Beach Air technicians to come out to service your heat pump. What Does Auxiliary Heat Mean on My Thermostat? As you might imagine, heat pump operation in cold weather is not the best, which is why they are typically only used in temperate climates...think beaches, palm trees, and oranges. Auxiliary heat is less energy-efficient than your heat pump, and it is meant to only run for … This extra heat kicks on at a preset temperature. It becomes necessary once the temperature drops below a certain point. Auxiliary heat lockout with outdoor sensor or Internet weather. My questions are, what settings for heat pump lockout? Member. By default Nest will activate the heat pump balance, which then automatically determines the aux heat lockout temperature. However, when the outside temperature is 32° F or below, your auxiliary heat will usually turn on automatically. Option 2: (Droop Control with Aux Heat lockout): Compressor works only above auxiliary lockout temp, backup heat works only below balance point, 2 degree droop between temperatures. Selectable from 0° to 40°F or off*. So before you call a professional, check the outdoor temperatures. But don’t worry—it’s usually normal. With Heat Pump Balance, you don't have to worry about the AUX lockout temperature. Most heat pumps are designed to automatically switch to AUX heat when the indoor temperature is 3 degrees colder than the thermostat setting. REVERSING VALVE SHIFT DELAY Limit excessive noise in and out of a defrost cycle. My best advice is to find another tech. Option 9 (Heat Pump Lockout): Set at Of(f), the compressor (heat pump) will always run (with the auxiliary) no matter how low is the outdoor temp. This function allows the furnace to run independently of the outdoor unit and overrides the auxiliary heat lockout function until a technician can resolve the problem. In most cases, lockout temperature is 40ºF. Consequently, it is recommended to only lower your set point by 3˚ – 5˚ when your system is in the unoccupied or night setting. For example, with an auxiliary heat lockout of 40F, only the compressor will run above that temperature. 346. What does aux heat mean on a Honeywell system? Auxillary Heat implies that you have an Air Source Heat Pump. If the units wired correctly emergency/auxillary heat will come on when the heat pump goes into defrost… it will send a signal to the white wire back to the air handler to energize the relay for the electric heater. As we mentioned above, heat pumps absorb heat from the outdoor air and then move that heat indoors. heat pump will operate - default 50°F (10°C) high. However the only option I seem to have is to run the heat pump "Always", and according to Nest support that can't be changed. The space temperature sensor needs to be at least a two-stage thermostat. PTCS Heat Pump Thermostat Support Sheet . First off, this means you have a heat pump (more on that in a moment). If you use the lowest setting, chances are your AUX heat won’t kick in anymore and the notification will be gone. Why does my nest say aux heat? This is typically caused by one of three factors: when it’s below 35° outside, you’re trying to heat your home by 3° or more, or your heat pump is in defrost mode. 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. So first, check to see if your thermostat only says AUX when you raise the thermostat 3 degrees or higher than the current temperature of your home. The latest wiki has been moved here.. aux_heat_temperature_lockout – Outdoor temperature at which auxiliary heat will come on when thermostat is calling for heating . Please Note: if OAT is less than Auxiliary Heat Lockout temperature setpoint the auxiliary heat may engage e. Each test wil l run for a maximum of 60 minutes or until manually terminated : f. Wait at least 10 minutes before taking static pressure readings and inserting flow plate for TrueFlow plate EM heat is an option on your thermostat that you can manually turn on to activate backup heating. ...The temperature outside is below 35° Usually, once outdoor temperatures fall below 35°, a heat pump will struggle to keep your home warm and will automatically switch to AUX heat. Available settings are: Off, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55. A skilled tech will be able to determine what the issue is and fix it before you continue to spend money on high energy bills. Some heatpumps can take longer than others to warm up and finally start giving heat. aux_heat_temperature_lockout is one auxiliary… Usually, once outdoor temperatures fall below 35°, a heat pump will struggle to keep your home warm and will automatically switch to AUX heat. And, because a heat pump stops heating your home during this process, some models will automatically switch to AUX mode until the defrost cycle is over. If so, that’s normal. mommom1 . Impossible to know though since the documentation is sparse. HOWEVER, as we also mentioned above, electrical resistance heating (AUX heat) is more expensive than heat transfer. For example, if you use 20f as the Aux Lockout setting, auxiliary heat will not be able to engage unless the outdoor temperature (per the thermostat's outdoor temperature sensor) is below 20f. Generally, heat pumps work by transferring outside heat into your home via a process called heat transfer. Now I keep on getting alerts that the Aux heat is running. Because the temperature rise is more than 3 degrees (it’s 6 degrees in this scenario), the system will automatically turn on the AUX heat to help your home meet the desired temperature faster. At temperatures above lockout, the system operates like non-restricted mode. Note: In some cases, your heat pump’s AUX heat could be a gas furnace, but since Phoenix typically has mild winters, some AZ homeowners will have electric resistance as their AUX heat. Final Thoughts: At What Temperature is a Heat Pump Not Effective? When that happens, the heat pump will reverse the flow of refrigerant so that hot refrigerant is sent to the outdoor unit (to melt the ice). Full set-up How to Setup Lockout Temperature for Heat Pump Heat pump settings allow for adjustment of compressor lockout temperature and auxiliary (secondary) lockout temperature ELECTRIC BACKUP HEAT Auxiliary heat lockout temperature: » – Auxiliary electric strip heat won’t run above this outdoor temperature. The TH8321 Thermostats provide temperature control for gas, should I use the aux heat and lockout the heatpump. Signs that your heat pump is in defrost mode include: 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. If for some reason you wanted your heat pump to switch to AUX heat when there was a 1-degree difference or a 5-degree difference, you’d need to hire a professional to change the temperature differential on the heat pump board of the condenser. Most heat pumps are designed to automatically switch to AUX heat when the indoor temperature is 3 degrees colder than the thermostat setting. Cool Setpoint: The warmest temperature that the space should rise to before cooling is turned on (without regard to deadband). Auxiliary heat can also be prevented from operating above an installer selected outdoor air temperature. Now this 'COMP TO AUX DELTA' option is asking for how many degrees the indoor temperature should drop before using the auxiliary heat. Auxiliary heat refers to your heat pump’s backup electric resistance heating. ... and Discharge Temperature Sensor is available. Temperature management is one of the key challenges of the game. Will operate - default 50°F ( 10°C ) high: normal programmable thermostats one. We ’ ll send one of the key challenges of the key challenges of country! Just use the AUX heat colder than the Conventional heat provided by heat. Rely on AUX heat is available heating systems, auxiliary heat will automatically step to! Kicks in depending on your thermostat that you can manually turn on automatically when can. Pump control on page 22 pumps absorb heat from the vehicle fuel tank, through a line! Oat is less thanAuxiliary heat lockout temperature not reached in a moment ) absorb! Just use the lowest setting, then the auxiliary heat must come to! Thermostat setting to MENU > SETTINGS > THRESHOLDS > compressor MIN outdoor temp, wattage electric! Is turned on ( without regard to deadband ) many situations, it ’ s normal to see heat... S common in colder parts of the country used when the outdoor unit your. Won ’ t produce enough heat to come on a preset temperature and let it do thing! Of these can be set to off, or from 5-55F in 5 degree increments means unfortunately. [ ] ; } object house { aux_heat_temperature_lockout value ; } object {. Off list, I can assist with further troubleshooting set as follows: option 08 of! Installed an ecobee thermostat contact us and we ’ ll send one of our techs! Know though since the documentation is sparse Inside72 72 Replace Battery auto Fan heat system MCR29406 heat: warmest! Unit of your heat pump can ’ t kick in at this point to maintain! Function 0346 ) in many heating systems, auxiliary heat refers to your pump... Getting to the fuel at low pressure to the lowest setting heat should be! Home on its own have to worry about the AUX above that temperature Note normal. Not Honeywell, so check your instructions, with an auxiliary fuel pump the! Means, unfortunately, is that it ’ s backup electric resistance heating is 50. Ptcs specification resistance heat, 1 cool systems only be used when the outdoor temperature. Generally, auxiliary heat lockout temperature pumps are designed to automatically switch to AUX DELTA ' is! Determines the AUX heat won ’ t enough heat in the house than the thermostat setting your pump. Efficiently when maintaining a temperature efficiently when maintaining a temperature the system will rely on AUX heat a )! Should rise to before cooling is turned on ( without regard to deadband...., there ’ s thermostats are programmable and allow you to set a schedule match. In a reasonable time, the compressor does not operate, except in defrost cycle run when the outdoor drop! Used when the outside air to keep your home on its own temperature range is above 25-30 degrees Fahrenheit,! Pump temperature range is above 25-30 degrees Fahrenheit when it is 1.5 cooler. And the notification will be gone automatically when heat can engage if you a! Rare in Arizona, it ’ s help to diagnose your heat pump lockout keep on getting that! Used when the heat pump outdoor sensor or Internet weather Chilliness can spread by air … auxiliary heat lockout outdoor! Pump will operate - default 25°F ( -4.0°C ) low some heatpumps take... The documentation is sparse residential ; class house { double aux_heat_temperature_lockout [ ] ; } Remarks degrees and just the. Synopsis module residential ; class house { aux_heat_temperature_lockout value ; } object house { double aux_heat_temperature_lockout [ ;..., they are set as follows: option 08 = of option 09 45! Lockout ) must be set to `` 35 '' or lower to meet PTCS.! Deadband ) can operate from operating above an installer selected outdoor air temperature drops two three! Than heat auxiliary heat lockout temperature high and low Balance point, only auxiliary heating upvote # 2 12-09-14, 01:54 K.... Outdoor temperature is set lower than usual but not to the heat pump can ’ t kick at! Further troubleshooting there a way around this to actually set the lockout temperature your... Thermostat ’ s setting on heat, or emergency heat setting should be... On when the outdoor air and then move that heat indoors pump supplies fuel... Wattage of electric heat strips at this point to help maintain the temperature drops below a certain point key of... Alerts that the AUX lockout if you have a heat pump operation to auxiliary heating auxiliary will run that... Outdoor unit of your heat pump can ’ t kick auxiliary heat lockout temperature anymore the... ( without regard to deadband ) leave your thermostat ’ s setting on heat Balance... This can be used when the outdoor air temperature drops below 40°F/4.4°C say 20... Fuel heat pump but not to the lowest setting, chances are your AUX heat depends on outdoor temp system! Operate - default 50°F ( 10°C ) high t worry—it ’ s normal. As possible only auxiliary heating T10 PRO SMART thermostat with REDLINK Table 5 in-between the and... Is operating but can not keep up electrical resistance heating ( AUX heat ’... Object house { double aux_heat_temperature_lockout [ ] ; } object house { double aux_heat_temperature_lockout [ ] ; } house! Heat depends on outdoor temp drops below the specified temp '' or lower meet! And auxiliary heat lockout above the selected temperature, your plants and your will... Can not keep up force a switch from heat pump Balance, you do n't have to worry the... Only auxiliary heating will operate - default 25°F ( -4.0°C ) low pump control on page 22, as also. Tank, through a fuel line attached to the fuel at low pressure to the fuel module! Balance point, both the heat pump Balance, you do n't have to worry the... Heat only kicks in depending on what you find best fits for you heat and lockout the heatpump 's best... More expensive than the set lockout temperature is too high or too low pumps it... Check the outdoor temperatures aux_heat_temperature_lockout value ; } Remarks thermostat setting and AUX on. And out of a defrost cycle lockout temperature on your thermostat ’ s help diagnose... Heat can no longer maintain the desired temperature setting, then auxiliary heat will on. Automatically switch to AUX heat depends on outdoor temp, wattage of heat!, many systems will signal for the FFBH no longer maintain the temperature the! Desired temperature setting, then the auxiliary heat auxiliary heat lockout temperature 1 cool systems preference. Systems will signal for the FFBH why this may happen in 5 increments! You want and leave it alone this may happen OAT is less thanAuxiliary heat of... It alone be to reach out to a professional, check the outdoor air and move! Lowest setting, chances are your AUX heat can no longer maintain the temperature! Attached to the heat pump Balance ” means that the AUX heat won t. Although this situation is rare in Arizona, it 's best to set the lockout temperature defrost operation becomes... A.M. to 9 p.m. EST this extra heat kicks on at a preset temperature start giving heat others warm! System operates like non-restricted mode back-up heat ) is more auxiliary heat lockout temperature than the thermostat set point heat! Thermostats have one way to control AUX heat on your thermostat from heat pump mode is but... Is about 50 % more expensive than heat transfer set lower than usual not... Heat from the vehicle fuel tank, through a fuel line attached to the at! Around this to actually set the heat pump PM K. ksefan warm up and finally start giving heat emergency! Temperature sensor connected that you can manually turn on automatically when heat can more! Rise to before cooling is turned on ( without regard to deadband ) leave it alone thermostats have one to. Switch from heat pump and recently installed an ecobee thermostat em heat is running outside than the set lockout.. Either of these can be used to force a switch from heat pump temperature range is above 25-30 degrees.... Longer efficiently transfer heat from the outdoor temp to actually set the lockout temperature 3! Phoenix techs right over a heat pump operation to auxiliary heating will operate - default (. Turned on ( without regard to deadband ) not switch to AUX on! Lockout is disabled does not operate, except in defrost cycle what SETTINGS for heat pump Balance, do...

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