Honeywell rth8500d screen lock

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Learn more. Skip Navigation Sears home. Shop Your Way Pinterest Email. Which list would you like to add your item to? Wish List. See danny-z's item description. Honeywell's Universal Touchscreen Thermostat is so easy to program, most people don't even use the manual. This easy-to-read, easy-to-use Universal thermostat works with virtually all system applications. Added on January 05, Would you like to provide feedback on the Product Information displayed?

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honeywell rth8500d screen lock

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Add to cart anyway.Quick Links. See also: Owner's ManualUser Manual. Table of Contents. Touchscreen Programmable Thermostat. Previous Page. Next Page. Page 2 Need Help? Registered Trademark. US Patent No. It has been designed to give you many years of reliable service and touchscreen climate control.

Page 5 RTH This thermostat is ready to go! Your new thermostat is pre-programmed and ready to go. All you have to do is set the time and day. Then check the settings below and change if needed: 1 Set clock See page 6 2 Select fan setting: Preset to Auto To change, see page Press and hold to advance the time more quickly.

You can program four time periods each day, with different settings for weekdays and weekends. Set to the time you awaken and the temperature you See next page to adjust times and temperatures of each time period.

Page 14 Operating Manual Program schedule override temporary Adjust temperature Press to immediately adjust the temperature.

This will temporarily over- ride the temperature setting for the current time period. This will turn off the program schedule. Whatever temperature you set will be Page Vacation Hold Operating Manual Vacation hold 1 Set temperature This feature can suspend the program schedule for extended periods of time. The screen will remain locked for 30 seconds so you can clean the screen without changing any settings.

Inside Set To Page Battery Replacement Operating Manual Battery replacement Grasp thermostat and pull Batteries are optional to provide backup to remove from wallplate power if your thermostat was wired to run on AC power when installed.

Install fresh batteries immediately when warning begins flashing.

Honeywell RTH8500D Owner's Manual

Most problems can be corrected quickly and easily. Make sure the temperature is set cooling system higher than the Inside temperature.This programmable thermostat utilizes a green backlit touch screen interface with simplified programming and easy to read text instead of complex and difficult to understand symbols.

This programmable thermostat also automatically determines whether or not your home needs heating or cooling based on the surrounding temperatures. This 7-Day programmable thermostat features a large touch-screen display and Smart Response Technology. With Auto Change from Heat to Cool, the switch from heating to cooling is automatic.

This feature allows the thermostat to learn how long the furnace and air conditioner take to reach programmed temperature settings, so you're comfortable at the time you expect. You can program up to four time periods each day, with different settings for weekdays and weekends. Auto changeover is helpful in climates where both air conditioning and heating are used on the same day.

When the system is set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature so you can always be comfortable. To protect the system and your compressor from damage, this programmable thermostat features a setting that forces the compressor to wait a few minutes before restarting. If activated during installation, the screen will also display an alert when it's time to replace your filter.

Heat pump Thermostat. Very accurate and easy to program. I have them on two heat pumps. There was a time when this was not available for heat pumps. My order was entered quickly and shipped right away. I was also sent an acknowledgement and shipping information.

The service was very much appreciated. Great Product! Easy to use and install. I have nothing but great things to say about Honeywell products and customer service! Great economical thermostat. We are very pleased with these stats. We installed 15 throughout our buildings.If not I have provided a an unbiased review below of this Honeywell thermostat series below that is a good DIY green project to cut down on your utilities worth considering.

The Honeywell RTHD has a large backlit display with a touchscreen interface that allows for easy programming. Its green backlight also allows you to read your programmed settings under low lighting conditions. Within this heating and cooling schedule, you can further customise your settings differently for 4 periods within a 24 hour time frame.

But it is not compatible with electric baseboard heat to volts. This Honeywell thermostat allows you to save up to 33 percent on annual heating and cooling costs though it may depend on geographic region and energy usage. The permanent day and time settings that you have programmed on the Honeywell RTHD are maintained even during power outages.

There is also an option of automatic adjustment for Daylight Savings Time as well as a filter-change and low battery reminder function that ensure your heating-cooling system is operating at its best.

Out of 90 customers, 64 gave it 5. Out of 7 customers, 4 gave it 5. Out of 57 customers, 44 gave it 5. I have read many recent customer reviews and have summarised the pros and cons of this Honeywell thermostat below.

Ease of installation, usage and programming, and well designed appearance are some of the mentioned pros for the Honeywell RTHD.

honeywell rth8500d screen lock

The programming shortcut provided that allows multiple days to be programmed at once has also been mentioned to be one of the positives. Some of the mentioned cons include the fact that there is no dedicated backlight button; the background is dark until you touch the surface, and the short time span of barely five seconds it stays on. This has also been mentioned for the RTHD and possibly for the rest of the Honeywell thermostats.

This might be an issue if this thermostat is going to be installed in the bedroom and if one has sensitive hearing. So if you are going to install this unit or such thermostat, you might want to check to see if the noise level is bearable for you.

Other possibly isolated complaints include faulty accessories like cases of the installing pins that connect the thermostat to the wall plate breaking rather frequently. This Honeywell thermostat is backed by a one-year warranty that covers any defects in workmanship or materials from the date of purchase. I have also discovered that the best place to get the Honeywell RTHD is online with many sites offering this thermostat at competitive prices.

However among these sites, I have discovered that Amazon actually offers this Honeywell thermostat at a lower price. Last Updated 14th December I am the admin of Green Energy Helps and I possess a keen interest in how green energy and how leading a green lifestyle can help to reduce our individual carbon footprints.

Honeywell 7-Day Universal Programmable Thermostat with Touchscreen Display

From my website, I will provide useful information about green energy and tips that allow you to leave the green way.The Honeywell thermostat includes a programmable a screen-lock feature that prevents inadvertent changes of the mean, or desired average, temperature of the household. Typically, you reset the lock after adjusting the temperature for changes in weather or following a power outage.

Follow a simple step-by-step procedure to reset the screen-lock on your Honeywell thermostat. Press the "System" key to access "Advanced Settings. Push and hold the center blank key for five seconds. A "User Setup Number" will appear in the lower left-hand corner of the screen. Press "Up" or "Down" until the user number displays on the screen.

Change your "Options" by pressing "Up" or "Down" as you observe the "Current Setting" number on the screen. 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 "System" key to exit the screen-lock feature and return to the normal mode. William Machin began work in construction at the age of 15, while still in high school.

In 35 years, he's gained expertise in all phases of residential construction, retrofit and remodeling. His hobbies include horses, motorcycles, road racing and sport fishing. He studied architecture at Taft Junior College. By William Machin Updated December 10, Related Articles.Table Of Contents. Quick Links. For assistance with your Honeywell product, please visit. Table of Contents. Previous Page. Next Page. For assistance with your Honeywell product, please visit www. Match the letter of your old thermostat wire with the terminal of the corresponding letter on your new thermostat or base.

Honeywell RTH8500D Touchscreen Programmable Thermostat

Page 4 Step 1. Prepare for Installation Cont 2. Page 5: Follow Important Instructions Step 2. Follow Important Instructions 1. These Installation Instructions explain later how to use the enclosed wire labels to correctly mark the wires connected to your old thermostat.

Page 6: Remove Old Thermostat 1. Remove the cover from the old thermostat. Remove the old thermostat from the wall or wallplate. Do not remove the wires. Page 7: Follow Special Instructions Step 4. Follow Special Instructions 1. Make sure they do not touch each other or any other wires.

Page 8 Step 4. Follow Special Instructions Cont 4.

honeywell rth8500d screen lock

Visit www. Page 9 Step 4. Follow Special Instructions Cont 5. If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. Wrap the end of the wires that are not connected with electrical tape. Page Label Old Thermostat Wires Do not allow the wires to fall into the wall opening after the wires are disconnected. Remove any remaining part of the old thermostat from the wall.

Mount New Wallplate to Wall 1. Separate the wallplate from the thermostat as shown. Page 12 Step 6. Mount New Wallplate to Wall Cont 2. Pass the labeled wires through the wire hole on the wallplate. Page 13 Step 6.There are good reasons to place a lock on your thermostat and prevent the settings from being adjusted.

The lock and unlock functions can help keep children from playing with it and messing up your perfect schedule!

How to Unlock a Honeywell Thermostat

You can find this setting by accessing the Menu, then Screen Lock. Both modes can be unlocked using a PIN, code, or password. Your lock code will disable either lock modes set. Check the steps below on how to unlock your Honeywell Pro Series thermostat. When you enter the correct code, your thermostat will be unlocked. You might not be using the thermostat that often, especially if your scheduling is sufficient enough. Or perhaps someone else configured the lock setting on it.

For the T4 Pro model, the code is simply But for the T6 Pro Series, follow these steps to recover it:. There are 3 lock modes on your thermostat. The Full lock disables any access to it, Partial enables changing the temperature, and you have the unlocked setting. The steps for how to lock and unlock are similar but vary depending on your Honeywell Pro Series or thermostats. Most of them require a PIN, code or password to unlock so make sure to remember them. Hopefully, this article has enabled you to take advantage of this feature on your Honeywell thermostat.

Honeywell Thermostat Manuals Honeywell Home. As an engineering graduate, I love the idea of using technology to transform how we engage with the physical world. I definitely get a thrill from automation and am constantly making my own home smarter! Save my name, email, and website in this browser for the next time I comment.

At SmartHomePerfected our information is accurate and unbiased. If you buy through links on our site, we may earn a small affiliate commission at no extra cost to you. Learn more. On this page. Explaining thermostat lock modes. How to unlock. How to lock. Show More. Full OnPartial Partand Off.

T4 Pro Series Programmable Thermostat. T6 Pro Series Smart Thermostat.

Honeywell RTH7600D 7-Day Programmable Touch Screen Thermostat

Press the center button labeled Unlock. For example, change it to 1 for the first one. Press Select to set the digit. Repeat Steps 2 and 3 until you finish through the four numbers required. After pressing Select for the last digit, your thermostat will be unlocked and your settings are free to access again.

Press the lock symbol on the display.