Honeywell thermostat locked screen

How to Install A Honeywell Home T3, T4, T5, T6, and T9 Thermostat (Video) Modal 1. How to set up your Honeywell Home T5 or T6 Pro Thermostat. Modal 1. How to program schedules on the T6 Pro thermostat. Modal 1. How to enter and navigate advanced programming on the T6 Pro thermostat. Modal 1.

Honeywell thermostat locked screen. I have a Honeywell thermostat that is locked up. TH6210u2001 -1831. 2 months locked on heat. Tried several pin - Answered by a verified Home Improvement Expert. ... The screen is locked. I watched a video that said that the PIN for that model was 1234. I tried that but it is incorrect.

Below are the ways to try to restore it fully: Step 1: Unplug the smart thermostat out of the wall. The very first step is to disconnect the thermostat out of its wall mount. Step 2: Remove the battery packs. The batteries should be removed from the battery compartment at the rear of the thermostat.

View and Download Honeywell TH8320U installation instructions manual online. Touch Screen Programmable Thermostats. TH8320U thermostat pdf manual download. Also for: Th8321u. ... WALL SET CURRENT DAY SET MONTH SAT A A T DONE USE ARROWS TO SET YEAR AND TIME M19919 SAT A A T OK TO PICK MULTIPLE DAYS SCREEN LOCKED CHANGE FILTER UV LAMP HUMIDIFIER ...All other settings are locked. When SCREEN LOCK is active, a "lock" icon will be displayed on the thermostat display. Press Menu on the thermostat. Press + or - to go to LOCK. Press Select. Press + or - to go to OFF, PART, or ON, and then press Select. To unlock the keypad, press the CENTER button and then enter the password "1234".Inside When partially locked, the screen displays Set To AUTO for several seconds if a locked key is pressed. To unlock the screen, press any Following Schedule unlocked key while... Page 19: Screen Cleaning VisionPRO TH8000 Series ® Screen cleaning Press Press to lock the screen for cleaning. The screen will remain locked for 30 seconds 6:00 ...You can order a Honeywell TH6320WF2003/U Lyric T6 Thermostat by visiting: https://amzn.to/2QmKylj Griffin Air LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Amazon offers a small commission on ...To lock and unlock a Honeywell thermostat, the most popular method is to go to the lock screen and enter the correct key code, followed by “SELECT.” Honeywell thermostats are divided into three …Press the screen button below the number "1" on the screen to lock all keys except temperature. Select the desired mean temperature using "Up" or "Down." Press the screen button below the number "2" to lock the screen. Press the "System" key to exit the screen-lock feature and return to the normal mode.My Honeywell T6 thermostat screen is locked, an I cannot. My Honeywell T6 thermostat screen is locked, an I cannot unlock it. I have tried entering 3 different pins: "1234" "2109" (which is the date code on the back) and "3343" ...1-Week Programmable Thermostat Support; 5-2 Day Programmable Thermostat Support; Single-stage Programmable Thermostat Support; Pro 2000 Horizontal Programmable Thermostat Support; T6 Pro Smart Thermostat Support; T5/T5+ …

To unlock a honeywell pro series thermostat without a pin, remove it from wall and take out the plate. On the thermostat model information, locate the four digit code then add the default pin '1234' to the code. The resultant number is your new pin. Here is an example in the image above. If the for four digit code is 1921 then your new pin ...Honeywell offers a variety of mechanical, non-programmable thermostats that provide 240 Vac control for electric heat systems. These thermostats offer comfort, simplicity and accuracy at affordable prices. This easy to use, electric heat thermostat provides reliable line voltage control of resistive rated electric heating equipment.Get free shipping on qualified Honeywell Home Thermostat Covers products or Buy Online Pick Up in Store today in the Heating, Venting & Cooling Department. ... key lock. thermostat lockbox cover. fits honeywell + View All. Best Seller $ 21. 98 (453) ... For screen reader problems with this website, ...To lock Honeywell T6 Pro thermostat, tap on ‘Menu’ and the navigate to “ Screen Lock ’ option. Tap ‘ Select ’ and choose either ‘ Full Lock ’ or ‘ Partial Lock’. Before you confirm the lock, you will see PIN on …Adjust the digits on the screen using the "+" or "-" keys. Click the 'Select' button. Repeat the process until your last digit. Your thermostat is now unlocked. It looks like unlocking a Honeywell thermostat is not that difficult. But there is more that you need to know about Honeywell Pro Series thermostat fundamentals.

Apr 20, 2024 ... In this video tutorial, I show you and tell you how to get to the alerts screen on your Honeywell thermostat. It is actually a very simple ...Cleaning the Thermostat Screen When you select the Clean Screen option, the screen is locked to prevent accidental changes to the thermostat while you clean the screen. Touch any part of the display to wake the thermostat. Touch the MENU icon at the bottom of the screen. Scroll down and select “Preferences”. Select “Display”.Y3H710RF0053 T3R Wireless Thermostat Kit SOLUTIONS toggle menu. Solutions. Comfort. A wide range of reliable heating and cooling control products and solutions. Comfort. Security. Discover our range of security, life safety and home entry solutions ... The Honeywell Home trademark is used under license from Honeywell International Inc.C-Wire Adapter. Compatible with most heating, cooling, and heat pump systems. Does not work with electric baseboard heat (120-240V) Does not work with millivolt systems. Does not support S terminals for indoor and outdoor sensors. Android or iOS smartphone, tablet, or device. CAUTION: ELECTRICAL HAZARD.If not using Wi-Fi you can set the time/date as follows: 1. Page 12 2. Scroll to and select "Wi-Fi" 3. Tap "Choose Network" 4. Select a network Choose Wi-Fi Network Connect to the Honeywell Home App 1. Open the Menu 2. Tap "Connect App" 3. Follow the on-screen instructions Connect 1. Select thermostat model 2.

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The T4 Pro Programmable Thermostat is easy to install with on-screen menus to display installation steps and a universal mounting system. It's even easier to use with simple push button controls, allowing you to adjust the temperature or set a heating and cooling schedule. Adaptive Intelligent Recovery. Over time, the T4 Pro Programmable ...I have a Honeywell touch screen thermostat and I forgot my PIN number how do I reset the or remove the old PIN. Contractor's Assistant: I understand that you forgot your PIN number for your Honeywell touch screen thermostat, and the HVAC Technician will be able to assist you with resetting or removing the old PIN. Have you tried entering the default PIN number for your Honeywell touch screen ...Manage your smart home comfort from anywhere with the WiFi 9000 Color Touchscreen Thermostat. Monitor or adjust your heating and cooling temperatures via computer, smartphone, or tablet. Stay aware with system alerts via email or the Total Connect Comfort app. SELECT A MODEL: WiFi 9000 Color Touchscreen Thermostat.In this video, Richard shows you how to lock and unlock Honeywell T4 Series Thermostats (inc. T4M and T4R thermostats).Honeywell Home T4R are available to bu...

From https://www.justanswer.com/ythiJustAnswer Customer: TH8320R1003 fully screen locked forgot pass code.JustAnswer Customer: How do I reset this thermostat... How to Install A Honeywell Home T3, T4, T5, T6, and T9 Thermostat (Video) Modal 1. How to set up your Honeywell Home T5 or T6 Pro Thermostat. Modal 1. How to program schedules on the T6 Pro thermostat. Modal 1. How to enter and navigate advanced programming on the T6 Pro thermostat. Modal 1.Reset Honeywell Lyric T5 Password (Solution) I'm a rather technically competent human, but as I was setting the password feature of my Lyric T5 wifi thermostat - it flashed the date code up, and I had to walk away to intervene in a squabble between my kids. When I came back - it was locked. I spent a lot longer than I'd like to admit looking ...I have a furnace and thermostat that were installed in November. The Thermostat is a Honeywell Home Focus Pro. I have 5 buttons with no labeling … read more. EdwardG326. HVAC service technicians. Organizational Management. 64 satisfied customers. Thermostats locked. Honeywell th8320r1003. 3 weeks. every.This Honeywell thermostat is designed to be compatible with a wide range of heating and cooling systems, including conventional systems as well as heat pumps and multi-stage systems. It supports up to three heat and two cool stages, providing flexibility for managing temperature settings. The TH9320WF5003/U is known for its reliable performance ...Lyric T5 Wi-Fi Thermostat. 3. Honeywell Wi-Fi Smart Thermostat: Change Lock Mode. You can adjust security options to prevent unauthorized changes to system settings. Touch Settings and select Security Settings. Select Change Lock Mode. Select an option and follow prompts: Unlocked: Full access allowed. Partially locked: Only temperature can be ...Select the MENU button on your thermostat to open the main menu. Select Schedule from the list of options. Choose Temporary Hold from the second list of options that appears. Select the ON/OFF button at the bottom of the thermostat display to toggle between holding and normal settings. When you have confirmed that it is in the OFF …Click to get help with Honeywell sales & support: find out how to get product support, customer service assistance, reach sales for business inquiries and more.

Apr 3, 2024 · Answer / Solution. To set the PIN* protection on the T6 range of Smart Thermostats, please follow the steps below: Press the right arrow to go to the LOCK menu. In the LOCK menu you can choose among the following options: When choosing PARTIAL or FULL protection the PIN number will appear on the screen. It is always a sum of 1234 number and the ...

Homeaglow is a popular home automation and security system that provides homeowners with the ability to control their lights, locks, thermostats, and more from one convenient app. ...How do I fix a blank display on my TH6210U2001, TH6220U2000, TH6320U2008 thermostat? Last updated. 2/25/22. If the thermostat is battery powered, check/replace your batteries. If the device is common wired, try and power it up with batteries. If that fails to power up the thermostat, you may need to involve a technician. If batteries do power ...If the device still appears to be offline, or does not respond to changes made in the mobile app, assistance from the network equipment manufacturer support, your network support, or Internet Service provider support may be required, in addition to support from Resideo. My thermostat is online but shows offline or doesn't respond to app changes.A – To rest your Honeywell thermostat pro series, follow the below mentioned steps. STEPS TO FOLLOW: STEP 1 – Check whether your thermostat is in “ON” state or not. If not then bring it into this state. STEP 2 – In the next step, keep pressing the “Menu” button until you witness “Reset” option. STEP 3 – Now select the ...As of 2015, Honeywell manufactures more than 60 thermostat models ranging from seven-day digital programmable thermostats to manual thermostats, and all models can be viewed on the...View and Download Honeywell T6861 Series data sheet / manual online. Large LCD Digital Thermostat 220 VAC 2-pipe fan coil control. T6861 Series thermostat pdf manual download. Also for: T6861h2wb-m, T6861h2bb-m, T6861v2bb-m, T6861v2wb-m, T6861h2wg-m, T6861h2gg-m, T6861v2gg-m,...Select your Home Wi-Fi network name and touch "CONNECT". For hidden networks, touch the "OTHER" button to enter the network name/SSID manually. Enter the password for your Home Wi-Fi network. Touch "NEXT". You will receive a "Success" message. Step2- Register your thermostat.TF228WN is designed for standard 75x75x5mm wall mounting box installation. Install the thermostat about 5 feet (1.5m) above the floor in an area with good air circulation at average temperature. Do not install in locations where the thermostat can be affected by: Dead spots behind doors and in corners. Hot or cold air from ducts.

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Confirm you have a C wire in the C terminal. If your previous thermostat did not use a C wire, it's unlikely that it is connected at the equipment. Verify the C wire is connected to the C terminal in your furnace or air handler. Check your jumper selector switch. If you have a wire in the R terminal and no wire in the RC terminal, verify the ...View and Download Honeywell TH8110U1003 - VisionPro Thermostat operating manual online. Touchscreen Programmable Thermostat. TH8110U1003 - VisionPro Thermostat thermostat pdf manual download. ... the screen can be par- tially or fully locked. SCREEN LOCKED Inside Set To When partially locked, the screen displays AUTO SCREEN …In this new menu, change the left value to 0670 using the up/down buttons in the middle of the display. Then, change the right value to 0 using the up/down buttons on the right. Press "DONE" on the lower right to confirm. This will help unlock or bypass a screen-locked 8000 series thermostat.Honeywell TH6220U2000 Programmable Thermostat has three screen lock settings: >Full- Changes are prohibited >Partial- All settings are locked, only setpoint changes allowed >Unlocked- All settings are allowed For a locked screen, follow the following steps to be able to unlock. On the thermostat, press Menu. Press + or - to go …Five keys will appear in your Honeywell Thermostat. Push the 'Blank Center Key' for about four seconds. The 'Advanced Settings' option of your Honeywell Thermostat will open. Enter the 'User Setup Number' of your Thermostat. The 'User Setup Number' is '0670'. The setting of your Thermostat should now Unlock.• Cool: Thermostat controls only the cooling system. • Off: Heating and cooling systems are off. • Auto: Thermostat automatically selects heating or cooling depending on the indoor temperature.** • Em Heat (only for heat pumps with auxiliary heat): Thermostat controls Emergency and Auxiliary Heat. Compressor is locked out.** ** Select ...Resetting a Honeywell thermostat is simple and only takes a minute or two to complete. Either refer to your Honeywell control manual to reset it or follow the guide below that outl...Wi-Fi Smart Color Thermostat. The Honeywell Second Generation RTH9585WF1004 Wi-Fi Smart Color Thermostat is designed to fit the individual. ... Partially locked: Only temperature can be changed. Fully locked: No access allowed. ... The layout and look of the screen on the honeywell is just cool looking. I love that it …In this video I show you how to unlock the Honeywell Pro Series Thermostat. I show you step by step how to unlock the thermostat and enter the password. The ...View and Download Honeywell T6861 Series data sheet / manual online. Large LCD Digital Thermostat 220 VAC 2-pipe fan coil control. T6861 Series thermostat pdf manual download. Also for: T6861h2wb-m, T6861h2bb-m, T6861v2bb-m, T6861v2wb-m, T6861h2wg-m, T6861h2gg-m, T6861v2gg-m,...Buy this product as Renewed and save $25.24 off the current New price. Honeywell Home RENEWRTH8560D 7-Day Programmable Touchscreen Thermosat (Renewed) $44.99 & FREE Shipping. Details. (159) Works and looks like new and backed by the Amazon Renewed Guarantee. This item: Honeywell Home RTH8560D 7 Day Programmable Touchscreen Thermostat White. 1,335.Honeywell Thermostat Screen Locked: How to Solve, Step by Step 1. On the Home Screen, Tap the MENU Option . Find the MENU button in top right corner of that page. Note that even when the thermostat screen is in lock mode, the MENU button still works. This then displays the main menu page. ….

RTH9585WF -is the best selling Honeywell WiFi thermostat model with voice conrol,energy savings and touchscreen.We review Honeywell RTH9585WF vs RTH9580WF. ... #4 Weather Forecast – Daily weather forecast is available on the thermostat display screen and 5 Day forecast is available ... #6 Password Lock – …I have a Honeywell thermostat that got locked by mastake, how do i undo the lock, took battery's out and tried to - Answered by a verified HVAC Technician. ... When i select a lower cooling temperature, it will turn the system on and 30 seconds later the thermostat screen goes dark and the ...View and Download Honeywell T6861 Series data sheet / manual online. Large LCD Digital Thermostat 220 VAC 2-pipe fan coil control. T6861 Series thermostat pdf manual download. Also for: T6861h2wb-m, T6861h2bb-m, T6861v2bb-m, T6861v2wb-m, T6861h2wg-m, T6861h2gg-m, T6861v2gg-m,...All other settings are locked. When SCREEN LOCK is active, a "lock" icon will be displayed on the thermostat display. Press Menu on the thermostat. Press + or - to go to LOCK. Press Select. Press + or - to go to OFF, PART, or ON, and then press Select. To unlock the keypad, press the CENTER button and then enter the password "1234".You create this secret code when locking your thermostat. Then, the t-stat asks you to enter this code to again open up access to settings such as temperature, scheduling, Wi-Fi, and general adjustments. So here we give locking Honeywell thermostat instructions, with a demo on Honeywell's RTH9580WF WiFi t-stat.The Thermostat is a Trane Tn 802 touch screen unit which controls a two stage furnace and one stage A/C unit and is capable of automatic switch over. What is locked out is the touch screen controls. You cannot enter any changes on the screen.RCHT8612WF2015/U, SMHOM8610KIT, RCHT8612WF2015/W, RTH8800WF2022/U, RCHT8610WF2006/U. Download Manual Download Installation Guide. Download Service Datasheet. T5 SMART THERMOSTAT Product Page.Enabling Lock Security on Honeywell Thermostat. Tap the Menu button on your Honeywell thermostat until you reach Screen Lock; Tap Select; Choose the Lock Option you wish to use: Select Unlocked if you want to allow unrestricted access to thermostat settings; Select Partial Locked if you want to enable other users to change only the … Honeywell thermostat locked screen, From the thermostat’s home screen, press “Menu,” then hit the + or - buttons until the screen says “LOCK.” Hit “Select,” then …, From https://www.justanswer.com/ythiJustAnswer Customer: TH8320R1003 fully screen locked forgot pass code.JustAnswer Customer: How do I reset this thermostat... , Nov 17, 2020 ... 1:47 · Go to channel · How to lock & unlock screen Honeywell RTH8500D programmable thermostat Rheem Trane. SaveGreenHere•127K views · 14 v..., Feb 26, 2024 ... UNLOCK HACK FOR PREVIOUSLY LOCKED HONEYWELL THERMOSTATS. EITHER BY A PREVIOUS TECH, DIFFERENT HOMEOWNER WHO MAY HAVE SOLD HOME OR EVEN ..., For simple, no-frills control over your home's comfort level, choose the RTH7600D 7-Day Touchscreen Programmable Thermostat. Installation is simple enough to do it yourself, or contact a Resideo Pro to have it installed for you. Once operational, the thermostat's large touchscreen display makes it easy to set your preferred temperature or set a ..., For more than a century, Honeywell has been on the leading edge of product development for energy-efficient HVAC and building automation products. Contractors and building owners count on Honeywell commercial thermostats for the latest technology, ease-of-use and energy savings. support Commercial Thermostats Hotline 1-763-954-6464 Web Site, Upvote. Air Conditioning and Cooling Systems - Honeywell "locked" thermostat - Hi, we have a locked thermostat and cannot unlock it. Anyone familiar with this: Ultrastat...it has 3 buttons on the bottom of face plate/ System and Fan/ Override/ More. Then it has an up and down button on the right side., Model # CG511A1000 Store SKU # 1000168516. The Honeywell Home Thermostat Guard protects your thermostat from unwanted tampering or damage. It mounts easily to facilitate reliable monitoring of usage. The clear plastic cover has a key lock and is compatible with most Honeywell Home and other thermostats., Many Honeywell home thermostats have a screen locked mode. This keeps anyone from changing thermostat settings without first entering a password. First, you set this pass code when locking your t-stat. Then, to unlock it, the t-stat asks you to enter this secret code. This then grants full control over settings such as WiFi, temperature, …, As of 2015, Honeywell manufactures more than 60 thermostat models ranging from seven-day digital programmable thermostats to manual thermostats, and all models can be viewed on the..., Honeywell Thermostat Screen Lock, To cancel the Permanent Hold, press + or - and then press Cancel. To Remove the Schedule completely. Press and hold Menu and + buttons for approximately 5 seconds to enter advanced menu. Press Select to enter System Setup (ISU) menu. Press Select to cycle through System Setup numbers. Press + or - to change values or select from available options., Press the screen button below the number "1" on the screen to lock all keys except temperature.Select the desired mean temperature using "Up" or "Down." Press the screen button below the number "2" to lock the screen. Press the "System" key to exit the screen-lock feature and return to the normal mode., Manage your smart home comfort from anywhere with the WiFi 9000 Color Touchscreen Thermostat. Monitor or adjust your heating and cooling temperatures via computer, smartphone, or tablet. Stay aware with system alerts via email or the Total Connect Comfort app. SELECT A MODEL: WiFi 9000 Color Touchscreen Thermostat., Unlocking the screen lock on a Honeywell T6 Pro Smart style thermostat If you’ve forgotten the code or it’s asking for the code during reset or initial setup, try “1234.” In the case of the T6 Pro Series, the code can be recovered by removing the thermostat faceplate and locating the four-digit code at the top right corner of the base ..., Best Password Protected Thermostats: Features 1. Honeywell TH9320WF5003 Wi-Fi Thermostat. If you’re looking for a thermostat with password protection functions, this is one of those that tick all the boxes. This Honeywell thermostat allows you to set a unique code for locking and unlocking the unit, which ensures total protection from tampering., How do I fix a blank display on my TH4210D, TH4110D, TH4110B thermostat? If the thermostat is battery powered, check/replace your batteries. If the device is common wired, try and power it up with batteries. If that fails to power up the thermostat, you may need to involve a technician. If batteries do power up your common wired thermostat ..., The installer set the minimum range for cooling to 68. It has to changed in the installer's set up. Likely he did that because the system is not designed to keep the space below 68. Reply. 06-21-2012, 09:14 AM #3. ADillon. Professional Member*. Join Date. Mar 2012., The WiFi Smart Color Thermostat works seamlessly with Amazon Alexa and Google Home, as well as our mobile app, so you can control the temperature anywhere inside or outside your home. Smart response technology learns your schedule and temperature preferences to take the guesswork out of programming. Plus, the full-color display is completely ..., If you are using your thermostat with a Honeywell Wi-Fi module and your thermostat does not respond as expected, it is possible that there is an issue with the Wi-Fi module. To fix this, you will need to reset the Wi-Fi module. 6. The batteries are low. If the batteries are low, it will not work properly., Contents hide 1 Honeywell T3 Programmable Thermostat 2 Thermostat Interface 3 Status Icons 4 Navigation Icons 5 Menu 6 Copy Schedule 7 Device Modes 8 Manual Operation 9 Permanent override 10 Keypad Lock 11 Optimization 12 Table Stand a 7 nd Wall Mount (T3R only) 13 Troubleshooting 14 Reference Honeywell T3 …, This Honeywell thermostat is designed to be compatible with a wide range of heating and cooling systems, including conventional systems as well as heat pumps and multi-stage systems. It supports up to three heat and two cool stages, providing flexibility for managing temperature settings. The TH9320WF5003/U is known for its reliable performance ..., The Honeywell Home ProSeries T6 tends to lock up sometimes, or clients can accidentally lock it not knowing. This video will guide you ever step of the way h... , Honeywell TB7100A1000 Screen Locked . Reading Remote Indoor Temperature, Screen Locked, Fully Locked Screen, Partially Locked Screen, Temperature Recovery ... Select Thermostat Location Separate Wallplate from Thermostat WIRING Conventional System Wiring TB7100A1000 MULTIPRO MULTISPEED AND MULTIPURPOSE …, My Honeywell TH8321WF01 TH8321WF thermostat screen is not lit up and it seems every year or every other year we have to - Answered by a verified HVAC Technician. ... The present stats are Honeywell with the ability to lock the screen after setting up a range of set p ..., Honeywell’s thermostat lock system prevents unauthorized tampering with your settings, ensuring your preferred heating and cooling preferences remain unchanged. When activated, the Honeywell lock system puts your thermostat in “read-only” mode., 1) Just like unlocking, get the center button of your thermostat and press on it. 2) Use the plus and minus buttons to get the lock menu screen on your thermostat. 3) Access the lock menu by tapping on the select button. 4) Once on the lock menu, there will be three options; ON, OFF and PART. Each of these has a function. , Screen Locked, Fully Locked Screen, Partially Locked Screen, Temperature Recovery, Setting Calendar, 25 62-30712, SET CURRENT DAY SET MONTH, USE ARROWS TO SET YEAR AND TIME, M22761, OK TO PICK MULTIPLE DAYS SCREEN LOCKED, CHANGE FILTER UV LAMP HUMIDIFIER PAD ... Thermostat Honeywell TB8220U Screen Locked. 1. 32. Download 32 pages, 960.86 Kb ..., This process often involves pressing and holding specific buttons or accessing a reset menu within the thermostat's interface. Enter the Default Passcode: If the factory reset option requires a passcode, consult the user manual to determine the default code for your thermostat model., Visit wifithermostat.com or call 1-855-733-5465 for assistance before returning the thermostat to the store. With your new thermostat, you can: Connect to the Internet to monitor and control your heating/cooling system. View and change your heating/cooling system settings. View and set temperature and schedules., , and confirm your screen lock setting by touching Ye s . A partially or fully locked screen will be indicated by a lock symbol at the bottom of the thermostat screen. Unlocking the screen 1 Touch the lock symbol on the thermostat home screen. 2 When prompted to enter a PIN number, touch or to select the first number of the PIN code., Manuals and User Guides for Honeywell TH8320U1008 - Touchscreen Thermostat, 3h. We have 1 Honeywell TH8320U1008 - Touchscreen Thermostat, 3h manual available for free PDF download: Operating Manual ... Screen Lock. 18. Screen Cleaning. 19. Battery Replacement. 22. Advanced Functions. 23. Clock Format. 27. Program Schedule …, 69-1706. Do not install the thermostat where it can be affected by: Drafts or dead spots behind doors and in corners. Hot or cold air from ducts. Radiant heat from sun or appliances. Concealed pipes and chimneys. Unheated (uncooled) areas such as an outside wall behind the thermostat.