Heat pump lockout temperature honeywell. View and set temperature and schedules.

Heat pump lockout temperature honeywell 1 Honeywell Home T6 […] View and Download Honeywell VisionPRO 8000 owner's manual online. Dec 3, 2010 · I recently had a dual fuel system installed with 1-stage heat pump and 2-stage natural gas furnace, controlled by Honeywell TH8320. Sep 2, 2025 · Read here to learn how to change the system settings and operating modes on your Honeywell thermostat. 1 Fan operation settings 4 Program Schedule 5 Battery replacement 6 Air Filter Reminder 7 Troubleshooting 7. View and Download Honeywell Home RTH9585WF Smart Series user manual online. The outdoor sensor is located at the unit so I assume air is blowing over it causing it to bounce up and down. Honeywell programmable thermostat knows the outdoor temp and I can set a point where it will auto-change, but I can't come up with how to decide that number reasonably. So, I set the OA heat lockout to 40, the heat droop to 2 and the upstage heat time to 30 minutes. Wood stove with heat pump and backup electric strips. View outdoor temperature and humidity (requires Wi-Fi sysTem TesTs Test the system’s heating, cooling, fan and emergency heat. Location-based temperature control: Using geofence technology, the T9 Smart thermostat will automatically use your smartphone’s location May 4, 2025 · Heat Pumps and Electric Home Heating - Wiring Honeywell visionpro 8000 to replace Trane thermostat - Hello, I have a newer Trane 2 stage heat pump with dual fuel gas furnace. T10 PRO SMART THERMOSTAT WITH REDLINK HEAT PUMP AND BACKUP HEAT OPERATION Heat pump with outdoor temperature lockouts Outdoor temperature lockouts are optional. System Settings Auto: Thermostat automatically changes between heating and cooling based on sensed indoor temperature. Press "+" or "-" to change values. Emergency Heat (heat pumps with aux. It will not work with millivolt systems, such as a gas fireplace, or with 120/240 volt systems such as baseboard electric heat. Hi. It came with the Trane equivalent of the Honeywell TH8320 programmable thermostat with an outside temperature sensor. No outdoor temperature lockouts. When outdoor temps go lower, it will kick on for 5-60 seconds at a time, then pause for about 3 minutes (thermostat is configured for 3 minute compressor protection), then repeat. The thermostat is set to start the backup View and Download Honeywell TH8320R1003 installation manual online. VisionPRO 8000 thermostat pdf manual download. Where can I find the efficiency info on this heat pump (COP or similar)? Feb 2, 2017 · The heat pump and air handler system are about 3 years old; Amana 14, variable speed fan, VisonPro t-stat (about 10 years old), with an outside temp sensor. (Used only for heat pump systems Jan 10, 2023 · Contents hide 1 Honeywell Home T6 Pro Programmable Thermostat 2 Package Includes 3 Optional Cover Plate Installation 3. Press "Select" to cycle through setup options. SeeInstallerSetup options (ISU3120). . Auto: Selects heating or cooling depending on the indoor temperature. When the ambient air falls below this threshold, the heat pump may switch to auxiliary or emergency heat, or the thermostat may disable the outdoor unit entirely. 49. Feb 10, 2022 · I am using the Honeywell Th8321wf01 thermostat and having a problem at the lockout temp. When temps drop below 38 nest will use aux heat as needed so even though it’s below the threshold, it still uses my heat pump for about 95% of my heating needs Nest will only stop using the heat pump completely at 0F and below (Eastern VA) Sep 1, 2017 · Honeywell Thermostat: TH6220U T6 Pro Re: Installer Setup Options To enter Installer Setup: Press and hold the "Center" button and the "+" button together for 3 seconds. VisionPRO 8000 with RedLINK. When programmed for fossil fuel aux. Automatic: The thermostat selects heating or cooling as needed depending on the indoor temperature. It is similar to a gas-pack, but has a heat pump instead of a regular air conditioner. Honeywell T9 Advanced Settings In this article, we have provided a guide to Honeywell T9 Verify temperature is set to 35 degrees or less to meet spec. Cool: Thermostat controls cooling system. Jan 10, 2023 · Contents hide 1 Honeywell Home T6 Pro Programmable Thermostat 2 Package Includes 2. The other issue is short cycle heating with the heat pump. If I set it to lockout at 35 and the heat pump comes on at 36, the temp then drops to 35 and cuts it off. oil, electric and heat pumps for up to 3 heat, 2 cool systems Heat Pump Control — Electric Backup (Setup Functions 0350-0360): If an outdoor temperature sensor is installed, select a compressor lockout temperature (Function 0350). Oct 28, 2023 · The thermostat is set to Lock out the Heat Pump compressor when the outdoor temperature drops below a set temperature. Lockout temperature will be displayed. If your Aux is a gas furnace, then its a little more efficient that electric heat strips. Battery Replacement (indoor sensor) When the sensor status light begins flashing red, battery The T10 thermostat does not use any batteries. The above references are, I believe, to lock out a heat pump for maybe a dual fuel set up. Jan 3, 2010 · FYI. Location-based temperature control: Using geofence technology, the T9 Smart thermostat will automatically use your smartphone’s location The Honeywell Connect Me Lockout, Modulating control app gives authorized users access to the Honeywell TC500 • Demand Limit Control to save energy Thermostats in their commercial buildings. The Honeywell Thermostat has a keypad lockout setting that prevents tampering with the thermostat’s settings. So please excuse my lack of the proper terminology and even a general understanding of how they are supposed to work. View outdoor temperature and humidity (requires Wi-Fi Feb 9, 2024 · The customer has a heat pump with gas backup heat. The thermostat I have is a Honeywell 8000 Pro. heat): Controls auxiliary/emergency heat. My contractor is recommending me to do this Keep heat pump as primary on my wifi honeywell 9320 thermostat but configure heat pump lockout mode at an outdoor temp of 40+ Keep furnace as secondary heat so if temps drop below 40, it'll be furna SYSTEM SETTINGS Heat: Thermostat controls heating system. VisionPRO 8000 Series Touchscreen Programmable Thermostat. The temp will then jump back up. Heat Pump Lockout - Enabled/Disabled HP Lockout Outdoor Temp Aux Heat Lockout - Enabled/Disabled Aux Heat Lockout Temp Dual Fuel Settings Dual Fuel - On/Off Changeover With Outdoor - On/Off Adjust Balance Point C-Wire Adapter Compatible with most heating, cooling, and heat pump systems Aug 27, 2023 · HONEYWELL T9 Smart Room Thermostat Thermostat Features Flexible scheduling: You can choose to use location-based temperature control (geofence technology), program a set schedule or use a combination of both to make sure your home is always comfortable. Also for: Yth8321r1002, Th8110r1008, Th8321r1001, Th8320r1003. Heat Pump Temperature Lockouts (with electric heat backup): If the thermostat is installed with an optional outdoor sensor, you can select a compressor lockout temperature (Function 0350) and/ or an auxiliary heat lockout temperature (Function 0360). Compressor is off. Press "Select" to enter Setup. Jul 21, 2025 · What's the Deadband in Thermostats? The deadband in a thermostat refers to a temperature range where neither the heating nor the cooling system is activated. I live in NC so we do get some below 32 degree days during the dead of winter. However, there is no ability to change the dual fuel settings (always gas, always electic, or switch at a specific temperature) on a schedule, nor is there a way to change this via an API. Also can be used to manage dual fuel and lock-out expensive auxiliary heat in heat pump applications. I was told by the sales person that this setup would allow the heat pump to play catchup from the daily setback by C-Wire Adapter Compatible with most heating, cooling, and heat pump systems Aug 27, 2023 · HONEYWELL T9 Smart Room Thermostat Thermostat Features Flexible scheduling: You can choose to use location-based temperature control (geofence technology), program a set schedule or use a combination of both to make sure your home is always comfortable. Watch this video to explore the control options available for heat pump applications on the FocusPRO® N100 Series Thermostat. Feb 6, 2023 · Honeywell Thermostat: YTH9421 VisionPro IAQ Re: Installer Setup To Enter Installer Setup: From the home screen, press the System key. The settings system on the thermostat is easy to follow, but if you’re there are some advanced settings that can be tricky for users. Heat Pump Control — Electric Backup (Setup Functions 0350-0360): If an outdoor temperature sensor is installed, select a compressor lockout temperature (Function 0350). Receive alerts via email and get automatic upgrades. Heat: Thermostat controls heating. Fig. Off: Both heating and cooling are off. INSTALLATION INSTRUCTIONS The TB8220U Programmable Thermostat provides electronic control of 24 Vac heating and cooling systems. 6. Set Aux Heat Lockout to optimize energy bills and to not allow it to run the more expensive Aux Heat source above certain outdoor temperature limit. Also for: Th8321wf1001u, Wi-fi visionpro 8000 series. Honeywell T9 Advanced Settings In this article, we have provided a guide to Honeywell T9 I have a hybrid system that couples an electric heat pump with a gas (propane) furnace. Off: Heating/cooling systems are off. The T10 and a new furnace blower were installed exactly one year ago. Any suggestions? Apr 5, 2017 · Honeywell Redlink VisionPro: TH8320R, TH8321R Re: Heat Pump Aux Heat Settings The New VisionPro thermostat allows a technician to adjust how the Auxiliary Heat cycles when configured for a Heat Pump. Relays 3, 4 and 5 control the high, medium and low fan speeds respectively (Gh, Gm and GI) . Learn how to configure aux heat lockout on Ecobee, Nest, and Honeywell thermostats for heat pumps and furnaces to cut costs without losing comfort. TH8321WF1001 thermostat pdf manual download. View online or download Honeywell home TH8321R1001 User Manual, Manual Feb 14, 2021 · We have a basic Carrier Heat Pump. 343. 4°C), the aux heat will come on more often than necessary. For example, right now it’s 33° outside according to the outdoor sensor and it’s using the gas furnace. Above this temperature, only the compressor operates. Cool: Thermostat controls cooling. Folks - I have a question about heat pump lock-out mode. Jan 7, 2023 · Cool: The thermostat controls only the cooling system. It's an all-Trane system (XL14i HP and XR90 furnace) - the system is about 12 years old. NOTE: In 2-pipe configurations without auxiliary heat, only 4 relays are used; relay 2 (Y/A) is not used. They can • Page 2: Technical Specifications TC500A COMMERCIAL THERMOSTAT TECHNICAL SPECIFICATIONS Table 3. Are there any thermostats that support dual fuel with the ability to change the heat pump lockout temp on a schedule or via an API? Apr 23, 2021 · Heat: 1-stage heat pump (same) + emergency gaz heat from furnace I have a fossil fuel kit on the furnace that controls switch between HP and Gaz according to outdoor temperature (-13 Celsius or lower is gaz) therefore when Y pin is activated it will fire the right one. Read also: What does circ mean on thermostat? How does EM Heat work on a Honeywell thermostat After receiving a question about heat pump lockout temperatures, when auxiliary electric heat is the back up for the heat pump system, Joshua decided to do a video explaining more on balance point. View and set temperature and schedules. This means that not all heat pumps need to be locked out when auxiliary heat turns on. Usually when the outside temperature is above 30° it uses heat pump only but when it’s close to 30° it uses the back up gas furnace. The Compressor Lockout s installed or enabled, lo Check Strip Heat settings In the installer options menu, select “VIEW/EDIT CURRENT SETUP” Select “HEAT PUMP” From the Heat pump screen, select HEAT PUMP LOCKOUT (compressor lockout). 2 Wiring terminal designations 4 Wiring conventional systems: forced air and Hydronics 5 Thermostat mounting 5. View and change your heating/cooling system settings. Screws and anchors Professional Install Guide Getting Started Guide Compatibility Compatible with most heating, cooling, and heat pump systems Required: 24 VAC power ("C" wire) Does not work with electric I have a hybrid system that couples an electric heat pump with a gas (propane) furnace. View outdoor temperature and humidity (requires scEo MORE VisionPROØ TH8000 Series Touch-screen Programmable Thermostat This manual covers the following models TH81 IOU: For 1 Heat/ 1 Cool systems TH8320U: For up to 3 Heat/2 Cool systems TH8321 U: For up to 3 Heat/2 Cool systems with dehumidification (Pull thermostat from wallplate and turn over to find model number) Honeywell Installation Guide System Types Gas, oil, or electric heat with Page 147 ® ® THX9321 PRESTIGE 2. Em Heat: Auxiliary heat serves as first stage. This setting is adjustable from 5-55 degrees. This setting does not work if the thermostat is not connected to the internet. If this is set too high (e. Jul 23, 2023 · The Honeywell T9 is a smart thermostat that syncs with your Smart Room sensors to help you adjust the temperature from anywhere and enjoy a cozy experience in your room. Is this correct, or should it be set at 7, which is 2 heat / 1 cool (w/ aux heat). How do low balance point and high balance point work? Novice question - I'm looking at the system setup documentation that I found in a house we are moving into (heat pump and furnace), and it says: Low BP (Z-600-OTS Sensor) - Set balance point to prevent heat pump operation when outdoor temperature falls below setpoint. See video near bottom of the guide on how to turn on and off EM on your honeywell thermostat. Remote sensor capability for temperature (including outdoor air and discharge air) and humidity sensors. Nov 24, 2021 · Greetings all, I have a dual-heat (2H-1C HP + gas furnace) setup controlled by a T-10 which includes an outdoor temp sensor. easy lockout above X temp, it does setback recovery WITHOUT using the aux heat (and will adjust the setback if it doesn't think it will be able to recover if it's super cold out). Jun 25, 2023 · Off: Heating/cooling systems are off. If it's electric heat strips, dont ever lock out the heat pump. Fan can also be configured for conventional heat or electric heat fan operation. Under this setting, you can choose options such as Unlocked, Partially Locked, and Fully Locked. This article explores what lockout temperature means, why it matters, and how to optimize your system for year-round comfort. Color Touchscreen. In reading the Honeywell installers guide and info on this forum, it seems like I should be able to select option "0" in the heat pump compressor lock out (0350) and Heat pump axillary lockout (0360) but it won't let me select these options (only lets me select a temperature) Thanks for any help you may offer. Off: Heating, cooling, and fan are all off. Mar 29, 2013 · My next question is what is the best setting for Function 0350 (compressor lockout temperature) and Function 0360 (auxiliary heat lockout temperature). My thermostat started running the aux heat even though it was only 41 outside. Compressor is locked out. I am trying to keep the gas heat from running when the temperature outside is above say 40 degrees. Nov 18, 2020 · But the heat strip is less than half as energy efficient as a heat pump; so, ideally, the heat strip should only be used when absolutely necessary. To Finish and Save changes, press "Home". In simpler terms, think of it as a “tipping point. Nov 8, 2013 · Is there a reason why the set point would be set so high when the heat pump is clearly capable of heating the home at that temperature? Should the heat pump ever be locked out if the backup heat is electric? Is there a minimum operating temperature for the heat pump? Both the heat pump and the electric heat seem to turn on and off frequently. you'll probably make it back in Note: Some manufacturers use diferent terminology for lockouts, such as “high balance point” referring to the strip heat lockout temperature or “low balance point” referring to the compressor lockout temperature. The aux heat won't kick in until there's 2 degree delta between the set point and the room temp. In these cases the droop setting locks out the aux heat unless the droop condition or upstage timer setting allows the aux heat Sep 4, 2023 · Honeywell 9000 Color Touchscreen Wi-Fi Thermostat Features of your Wi-Fi thermostat With your new thermostat, you can: Connect to the Internet to monitor and control your heating/cooling system. When the contractor who installed it set it up, he told me the gas heat would kick in at 45 degrees (Farenheit). Also for: Th8320r1003/u. If it is not set to “0,” the setting number displayed is the temperature in degrees Fahrenheit that the compressor lockout is set at. heat lockout which allows Select “HEAT PUMP” From the Heat pump screen, select HEAT PUMP LOCKOUT (compressor lockout). ” Below this temperature, your heat pump, which normally extracts heat from the outside air to warm your home, becomes less It depends what type of Aux heat you have. (See Installer Setup section. Heat pump is 18 seer, so I suspect this temperature should be lower. What Is Compressor Lockout Balance Point? The compressor lockout balance point is a specific outdoor temperature at which your heat pump will stop operating and your HVAC system will switch to using auxiliary heat. Dec 26, 2020 · My Bryant single-stage 2-Ton heat pump (3 year old 214DNA024-A, operated with a Honeywell T6) works fine for heat/cool at any temperatures above about 23F. Aug 27, 2008 · Hello, I was sold a Trane XL15I system several years ago. I have a Honeywell Vision Pro 1AQ Thermostat and the default lock out is set at 40 degrees. 1 System operation settings 6 Installer system test 7 Specifications 8 Troubleshooting 9 REFERENCE: 9. 0346 - I have found this also works with electric aux heat. What are the best or most cost effective settings for the compressor lockout (balance point) and heat pump aux lockout? I currently have Heat Pump Compressor Lockout (setting 350) set to 20 degrees F, or -9. See Installer Setup options (ISU 312). This is where the "electric heat lock out" comes in. My new Honeywell Vision Pro 8000 has a W / OB and a W2 / Aux-e This thermostat works with common 24 volt systems such as forced air, hydronic, heat pump, oil, gas, and electric. Em Heat (heat pumps with aux. My current Trane thermostat has a W1, W2, and a O wire for reverse function. Jeff B Nov 23, 2021 · You can turn off the auxiliary heat on your Honeywell thermostat if you set the temperature at 70 degrees. The installer set function 170 at 12, which is 3 heat / 2 cool (w/ aux heat). RTH9585WF Smart Series thermostat pdf manual download. g. 1 Get the most from T5 Smart Thermostat 3 Tools you will need 3. Below this temperature, only electric heat operates. During colder months, set the thermostat to heat mode or auto with priority on heat. Press "Select" to confirm changes or "Back" to ignore changes. My heat pump is more efficient than Aux all the way to -10 degrees according to the performance data sheet. Package Includes Lyric T6 PRO Wi-Fi Thermostat UWP Mounting System Honeywell Standard Installation Adapter (J-box adapter) Honeywell Decorative Cover Plate – Small; size 4-49/64 in = 121mm. heat): Controls auxiliary /emergency heat. 1 Electrical Ratings 8 REFERENCE: 8. See “To Use the MicroSD Card in the Thermostat” on page 101. Heat pump with outdoor temperature lockouts, Heat pump and backup heat operation, Outdoortemperaturelockoutsareoptional. APPLICATION TC500A-N Thermostats is an advanced, configurable, connected devices for commercial buildings. Why are there Compressor or Backup Heat Lockout Settings? Honeywell home TH8321R1001 Pdf User Manuals. To block auxiliary (aux) heat from coming on with the Honeywell T9 thermostat, set an aux heat lockout temperature. 9 - 21) Auxiliary Heat Heat Pump Heat Pump Auxiliary Heat 1 . See Table 1 for a description. I haven't Jan 18, 2010 · My recently installed geothermal heat pump is paired with my original heating system, a Poliaris propane fired water heater/coil and has a TH8329U thermostat. Dual fuel and aux heat lockout with outdoor sensor. This device communicates over Wi-Fi, Bluetooth, BACnet I/P over Wi-Fi, BACnet MS/TP, and Sylk to easily integrate with the building automation system. Sep 1, 2017 · Honeywell Thermostat: TH6220U T6 Pro Re: Installer Setup Options To enter Installer Setup: Press and hold the "Center" button and the "+" button together for 3 seconds. Relay 2 controls cooling open or electrical heater output (Y/A). 1 How to use […] Feb 21, 2009 · Heat Pumps and Electric Home Heating - Dual-Fuel Switch-Over Point - Still trying to figure out how to set our system for the most economical operation. Model TH6210U2001: Up to 2H/1C Heat Pump systems or up to 1H/1C Conventional systems. I am using the Internet temp vs a sensor. 2 Compatibility 4 Removing your old thermostat 5 Setup with Resideo App 6 How to use your Resideo App 6. 1 Thermostat controls 3 System operation settings 3. I have a heat pump with back up gas furnace. I would Mar 14, 2014 · I would use the heat pump for heat above 35 degrees and Propane as the auxiliary heat below 35 Degrees. worth the extra $. Select set of terminal identifications (Table 1) that corresponds with system type (conventional or heat View and Download Honeywell TH8321WF1001 user manual online. Verify it is set to "below" 5 degrees, or "OFF". 1 Honeywell Home T6 PRO SMART THERMOSTAT User MANUAL Honeywell Home T6 Pro Programmable Thermostat […] Sep 2, 2025 · Read here to learn how to change the system settings and operating modes on your Honeywell thermostat. In Honeywell thermostats, the deadband is separate from the differential temperature. The compressor is locked out. Between these temperatures, both heat sources operate. Auto: Thermostat automatically changes between heating and cooling systems, depending on indoor temperature. Mine is set to 0F for heat pump lockout and below 38F for Aux Heat lockout. Newer heat pump systems have a “smart” thermostat connected to an outdoor temperature sensor. This is working, so the the outdoor temp sensor must be working (I enabled it in the t-stat menu). Feb 9, 2020 · Here is how it is described in the smart Honeywell T10 thermostat: "The T10 only uses droop for control of the aux heat on systems with a heat pump and either electric heat strips or a gas/oil furnace as backup heat. E POINT”. I want to reset it. 1 UWP Mounting System Installation 3. So what's a good way to decide when to have it not run the compressor and only use the 10-15kW heat strips? Aug 7, 2025 · Honeywell thermostats allow adjustment of auxiliary heat lockout delays and temperature differentials. What temp difference generally won't use backup heater? I was asked recently what the temperature should be set up for a dual fuel system for locking out the outdoor unit. with RedLINK. (For applications in which the thermostat only needs to run the blower fan when stove is hot). As winter approaches I noticed the T10 calling for Aux Heat at 40F when the lockout is set for 30F. Also for: Visionpro th8110, Visionpro th8320, Visionpro th8321. They are controlled by 2 new Honeywell Visionpro 8000, model th8321wf1001. (Typically set at 35F). Make Changes to Installer Setup NOTE: Use a microSD card to save set up time. Touch Done to save and exit. Intelligent Fan feature energizes fan continuously in the Occupied periods. heat there is no place in the temp range where both systems can operate. This ISU is only displayed if ISU 200 is set to Heat Pump, AND ISU 260 is set to Thermostat control AND if ISU 221 Aux/E stages = 1. 16, 17 WIRING (FIG. Note that ISU 130, Outdoor Sensor, must be set to “1” as viewed in step 3c or strip heat lockout will not function Press the button under “Home” to return to the advanced menu Programmable thermostat with heat pump will use backup electric heater if heat pump alone can't supply heat. The settings for this function are displayed on the right. Mounting wallplate. Model TH6220U2000: Up to 2H/1C Heat Pump systems or up to 2H/2C Conventional systems. My compressor lockout / balance point is at 30° and the Backup heat lockout is set to off. Notes - Aux Heat Lockout requires an outdoor temperature. It controls and monitors Rooftop Unit, Heat Pump equipment, and their accessories. Terminals E and Aux are jumpered. There are lots of things to consider for Jun 23, 2025 · Thermostats for dual fuel heat pumps must manage switching from electric to gas heat. it's a 3 heat 2 cool thermostat with some actual logic, and it lets YOU pick when the aux heat runs. 5C. Just had an install of a Bosch M20G 5 Ton AC/Heat pump and still kept my Peerless boiler/baseboard heating. The heat pump lockout temperature is the outdoor temperature at which the system stops using the outdoor coil to meet heating demand. The Aux lock out is set at 40, and the compressor lock out is 20. Compressor Low Temperature Lockout — The Compressor Low Temperature Lockout (setpoint LOW T LOCK, default 32_F (0_C)) will block compressor operation with economizer operation at outdoor temperature below this setpoint. I have a vision pro tstat with temp sensor outside. 1 You may need 3. My lockout is 35 anyone know why this might be? It is model TH8321R1001 Jun 16, 2013 · I have a heat pump with aux electric heat and also have an outdoor temp sensor connected to the TH8320WF. . (Press Done or Cancel key to return to home screen. Compressor stages are locked off. Apr 28, 2005 · Product Description Product Description Honeywell C7089U1006 Outdoor Temperature Sensor From the Manufacturer Remote outdoor temperature sensor, when installed, the current outdoor temperature is displayed. While traditional thermostats operate solely based on temperature set points, the Nest compressor lockout leverages intelligent algorithms to enhance the efficiency of heat pumps and air conditioning systems. , 40°F/4. I found that if I programmed for electric back-up I could set the compressor lockout point and aux. In this video, Joshua talks about why heat pumps need to be locked out with certain HVAC system setups. Jan 18, 2023 · Contents hide 1 Honeywell Home T5+ Smart Thermostat Product Data 2 Included in your box 2. Apr 1, 2023 · Heat Pump Control — Electric Backup (Setup Functions 0350-0360): If an outdoor temperature sensor is installed, select a compressor lockout temperature (Function 0350). Set the temperature between 60 and 80 degrees to keep the house at a regular temperature and avoid auxiliary heat. Simple is smart Standard features of the ComfortNetTM system include dual fuel, outdoor temperature display, dehumidification, advanced diagnostics, a programmable continuous fan control, and more. • Gas,oil,or electric heat with air conditioning • Warm air,hot water,high-efficiency furnaces,heat pumps,steam,gravity • Heat only — two-wire systems, power to open and close zone valves (Series 20),and normally- open zone valves • Heat only with fan • Cool only • 750 mV heating systems View and Download Honeywell Home VisionPRO 8000 manual online. “0” means that the auxiliary heat lockout is disabled. My guess it that you want a LACO for your AC to keep it from running when below 55. ) Five blank touch keys show on the bottom of the screen between the Done and Cancel keys. A screen for mode 3120, outdoor temperature lockouts will be displayed. Dec 1, 2007 · I'm in wetern NY with 2 stage heat (main-heat pump and aux-electric strips). Default setting is off. Sep 2, 2025 · If your thermostat is set to heat but your heat pump isn't working, check out this Honeywell Home Support article for troubleshooting tips and tricks. Watch this video to understand the importance of using the fan lockout feature after a cooling call and learn how to configure it on the FocusPRO® N100 Series Thermostat. Where in the Honeywell menu can I see what the balance point/heat pump lockout temperature is for when it switches from Heat Pump to Propane Furnace Nov 3, 2018 · Get the honeywell prestige thermostat, with the outdoor sensor. Dec 5, 2009 · Heat Pumps and Electric Home Heating - visionpro 8000 aux or em heat override ? - Hi, I'm new here (duh) and probably don't know how to ask the question I want to ask so don't cut me up too bad please. Relay 1 controls heat open (W) or cool open (Y). I recently had 2 Carrier heat pumps w/exterior temperature sensors installed, converting from AC/Propane to Heat Pump/Propane, one unit in the attic, one in the basement. May 14, 2025 · As heat pumps become more common in American homes, understanding the concept of heat pump lockout temperature is crucial for efficient system operation and energy savings. Evenly distribute the temperature in your house and improve your insulation to prevent an auxiliary heat backup. Feb 9, 2024 · The customer has a heat pump with gas backup heat. Nov 14, 2020 · The honeywell thermostat will cut off the heat pump if it's not heating fast enough and switch over to the gas furnace. Available tests vary by thermostat and system type. Here’s what to look for and which models work best to do that. This screen shows the activa ed lockout temperatures for both the compressor lockout and auxiliary heat lockout. TH8320R1003 thermostat pdf manual download. We have a Trane dual-fuel heat pump. Nov 6, 2020 · I have an old Trane XR12 heat pump with a modern Honeywell (redlink) thermostat and I recently got an outdoor sensor so I can set the lockouts on the heat pump and backup heat. This prevents unnecessary auxiliary heat usage and reduces utility costs while maintaining comfort. Pipe sensor is optional. Dec 20, 2013 · Heat Pumps and Electric Home Heating - Auxilliary Heat Lockout Temperature Setting - I am new to this forum and not too knowledgeable about heat pumps. 0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM TO THERMOSTAT AIR HANDLER HEAT PUMP HEAT PUMP AUX1 AUX2 M31487 Fig. Looking for a thermostat that uses outdoor temperature from the internet via Wi-Fi to lock out using Aux heat when outdoor temp is above 42 degrees. Is it correct that the heat pump should lock out at 40 degrees? Also, regarding the backup heat lockout, should it be off? I was advised to raise the heat pump lockout because when it was set to 30 degrees, the temperature in the house would drop by 3-4 degrees at night, although it functioned well during the day. sysTem TesTs Test the system’s heating, cooling, fan and emergency heat. Also select an auxiliary lockout temperature (Function 0360). 103 Finish with High Heat stage and/or Finish with High Cool stage 104 Heat Pump and Backup Heat Lockout Operation 104 Fan Coil Unit Settings and Operation 104 Jan 9, 2023 · Honeywell Home WIFI 9000 COLOR TOUCHSCREEN TH9320WF5003 Features of your Smart thermostat With your new thermostat, you can: Connect to the Internet to monitor and control your heating/cooling system. Press and hold the two blank keys on either side of the center blank key for approximately five seconds until screen Allows for heat pump lockout at low outdoor temperatures and auxiliary heat lockout at high outdoor temperatures, ensuring appropriate use of heating methods based on external conditions. Jul 9, 2025 · If your heat pump can efficiently operate down to, say, 30°F (-1°C), you can set the lockout temperature accordingly. ) Em Heat: Emergency heat cycles to maintain temperature. Honeywell Jan 4, 2025 · In the world of smart thermostats, the Nest Compressor Lockout is a crucial feature designed to reduce energy usage and optimize HVAC performance, particularly in colder climates. The T9 uses Accuweather data to determine the outdoor temperature. mjfad qjx lasm txby plyiciit vdaq gqqjiimyi rlpt lxn jnyffe evayqr kqicywz ftdgne xosfsm cdjbyfs