Honeywell RTH8500 Wifi Thermostat User Manual

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RTH8500 Series  

Following Schedule  

PM  

Programmable Thermostat  

Mode  

Fan  

Quick Installation Guide  

Heat  

Auto  

Wake Away Home Sleep  

Read and save these  

instructions.  

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For help please visit  

honeywellhome.com  

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Included in your box  

Quick Install  

Guide  

Screws and  

anchors  

RTH8500  

Thermostat  

UWP™  

Mounting  

System  

(UWP)  

Tools you will need  

Tools you may need  

Phillips screwdriver  

Wire stripper  

Small flat head screwdriver  

Pencil  

Needle-nose pliers  

Drill and  

drill bit (7/32 in)  

Level  

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General	Details
Name	Honeywell RTH8500 Wifi Thermostat User Manual
Make	Honeywell
Language	English
Filetype	PDF (Download)
File size	1.11 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Honeywell

Honeywell RTH8500 Wifi Thermostat User Manual Overview

Summary of Contents

• Page 1: RTH8500 Series Programmable Thermostat Quick Installation Guide Read and save these instructions. Included in your box Tools you will need Tools you may need
• Page 2: Quick installation guide Turn power off to protect yourself and your equipment. Check that your system is off by changing the temperature on your old thermostat. Remove the old thermostat’s faceplate by gently pulling or using screws, buttons, or clasps. Do not remove any wires from your thermostat at this time. Make sure there are no 120/240V wires present. If you have thick black wires with wire nuts, you may have a line voltage system. The thermostat will not work with a line voltage system.
• Page 3: RTH8500 Series Take a picture of how your wiring looks right now. Be sure to include the letters next to the terminals where the wires are inserted. This will be a helpful reference when wiring your thermostat. If the color of your wires has faded or if 2 terminals have the same wire color, use the wire labels provided in the package to label each wire. Record if you have wires in the following terminals. The thermostat does not need jumpers. Write down the color of the wires. Check mark the wires that are connected to terminals. The RTH8500 thermostat does not support S or U terminals. If there are wires in terminals that are not listed, you will need additional wiring support.
• Page 4: Quick installation guide Disconnect the wires and remove the old wall plate. Use a screwdriver to release wires from terminals. Identify each wire as it’s disconnected using a wire label. To prevent wires from falling back into the wall, wrap the wires around a pencil. Apply wiring labels to each wire with the appropriate terminal designation. Bundle and insert wires through the UWP. Make sure at least 1/4-inch of each wire is exposed for easy insertion into the wire terminals.
• Page 5: RTH8500 Series Insert the wall anchors. It is recommended that you use the wall anchors included in the box to mount your thermostat. You can use the UWP to mark where you want to place the wall anchors. Level the wall plate. Mark the location of the wall anchors using a pencil. Drill the holes. Insert wall anchors. Make sure anchors are flush with wall. Tip: Use a 7/32 drill bit. Set R-switch position and insert R-wire or wires.
• Page 6: Quick Installation Guide Connect wires from Step 7. Depress the tabs to put the wires into the inner holes of their corresponding terminals on the UWP. Gently tug on the wires to verify they are secure. If you need to release the wires again, push down the terminal tabs on the sides of the UWP. Mount the UWP using the provided screws. Close the door after you’re finished. Please confirm wiring matches terminals from the photo you took in Step 5. Insert three AA alkaline batteries in the back of the thermostat. The RTH8500 thermostat works in battery mode or normal power mode if a C-wire is available. Align the thermostat onto the UWP and firmly snap it into place.
• Page 7: RTH8500 Series Turn your power ON. Turn on the power at the breaker box or switch that controls the heating/cooling system. Return to the thermostat. Confirm the screen shows START SETUP. If your thermostat does not show START SETUP, please contact Honeywell support. Touch START SETUP to begin. Use the navigation options to navigate through all the setup options. To edit an option, touch Edit or touch the text area. Touch until you see FINISH SETUP. Set daylight saving time if you are in an area that follows daylight saving time. Your thermostat is now setup. Refer to page 8 for more information about basic operation.
• Page 8: Quick installation guide Key features System status information Displays desired indoor temperature. Displays current indoor temperature. Touch + or - to set your desired indoor temperature. Heat On/Cool On may flash for 5 minutes for compressor delay. Select fan mode Auto/On/Circulate. Shows schedule period: Wake/Away/Home/Sleep. Select system mode Auto/Heat/Cool/Off/EM Heat. Contains features: schedule, screen lock, clean screen, and other thermostat settings.
• Page 9: RTH8500 Series System Setup options To access all system options, press and hold MENU for 5 seconds. Scheduling Options You can change default MO-FR, SA-SU schedule here. Temperature Indication 0 = Fahrenheit, 1 = Celsius Heating System Type This option selects the basic system type your thermostat will control. Reversing Valve O/B Select whether reversing valve O/B should energize in cool or in heat. Cool Stages / Compressor Stages Select how many Cool or Compressor stages of your equipment the thermostat will control. Heat Stages / Backup Heat Stages Select how many Heat or Aux/E stages of your equipment the thermostat will control. Fan Control 0 = Manual, 1 = Automatic System Changeover Thermostat can automatically control both heating and cooling to maintain the desired indoor temperature.
• Page 10: Quick Installation Guide Cycle rate limits the maximum number of times the system can cycle in a 1 hour period measured at a 50% load. The system cycles less often when load conditions are less than or greater than a 50% load. The recommended cycle rate settings are below for each heating equipment type. Smart Response is a comfort setting that ensures the indoor temperature will match the setpoint at the scheduled time. The cool temperature cannot be set below the minimum cool temperature setpoint. The heat temperature cannot be set above the maximum heat temperature setpoint. This ISU refers to the number of air filters in the system. Set a reminder for when to change your air filter. Adjust brightness of an inactive backlight from default to maximum brightness. Set to Off in areas that do not follow Daylight Saving Time.
• Page 11: RTH8500 Series System operation settings Press the Mode button to cycle to the next available System mode. Available System modes vary by model and system settings. Auto: Thermostat selects heating or cooling as needed. Heat: Thermostat controls only the heating system. Cool: Thermostat controls only the cooling system. Em Heat: Thermostat controls Auxiliary Heat. Compressor is not used. Off: Heating and cooling system is off. Fan will still operate if fan is set to On or Circulate. Fan operation settings Available Fan modes vary with system settings. Auto: Fan runs only when the heating or cooling system is on.
• Page 12: Quick installation guide You can program four time periods each day, with different settings for weekdays and weekends. We recommend the pre-set settings since they can reduce your heating/cooling expenses. Wake - Set to the time you wake up and the temperature you want during the morning. Away - Set to the time you leave home and the temperature you want while you are away. Home - Set to the time you return home and the temperature you want during the evening. Sleep - Set to the time you go to bed and the temperature you want overnight. To temporarily or permanently override any of the above program schedules, see page 13. To adjust program schedules, touch Menu on the thermostat home screen. Touch the arrows until you see SCHEDULE, then touch Select.
• Page 13: RTH8500 Series Edit the next period or use the until you see Done, then press Select to save changes and go to the home screen. To temporarily cancel a schedule period, go to the SCHEDULE option and select a period. Touch Select on the period you want to cancel, then touch Cancel Period. To reactivate the period you cancelled, touch Cancel Period again to select period start time and preferred temperature. Hold Until (temporary hold) overrides the current temperature setpoint for a maximum of 12 hours. Permanent hold overrides the current temperature set point permanently until you manually change it or reactivate a schedule. Touch or on the thermostat home screen to set your desired temperature. Hold Until will appear together with the time the hold will end. To change when the hold will end, touch the time and wait until the time starts blinking. Then, touch or to set when you want the hold to end. After the hold period ends, the thermostat will automatically return to the program schedule. If you want to cancel the hold, touch Hold Until and then touch Run Schedule.
• Page 14: Quick installation guide Program schedule override (permanent) Touch or on the thermostat home screen to reach your desired temperature. Hold Until will appear together with the time you want the hold to end. Touch Hold Until. Permanent Hold will appear on screen. Touch Permanent Hold to hold this temperature until you manually change it. To end permanent hold and return to the program schedule, touch Permanent Hold and then touch Run Schedule. Wiring—conventional systems If labels do not match terminals, connect wires as shown below. If you must connect both R and Rc wires, set the R Slider Tab to the down position. If your old thermostat had both R and RH wires, set the R Slider Tab to the down position. Then connect the R wire to the Rc terminal, and the RH wire to the R terminal. If your old thermostat had only 1 C or C1 wire, connect it to the C terminal. If your old thermostat had 2 C or C1 wires, wrap each separately with electrical tape and do not connect them.
• Page 15: RTH8500 Series Wiring—heat pump Connect wires: heat pump Match each labeled wire with the same letter on the new thermostat. Insert the wires into the matching terminal. If you have difficulty inserting wires, you may have to press down the terminal push button next to the corresponding terminal. If labels do not match the letters on the thermostat, see “Alternate wiring (for heat pumps only)” below. Alternate wiring (for heat pumps only) Keep R Slider Tab in the up position (1 wire). If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help. If your old thermostat had separate O and B wires, attach the B wire to the C terminal. This model doesn’t support the heat pump fault alert (L/A terminal). If this is desired, please contact a contractor for replacement model. Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.
• Page 16: Quick Installation Guide Smart Response® Technology allows the thermostat to learn how long the furnace and air conditioner take to reach programmed temperature settings. The temperature is reached at the time you set. The message “Recovery” is displayed when the system is activated before a scheduled time period. Batteries are required to provide power when common wire is not used. Install fresh batteries immediately when the low battery icon appears. Replace batteries once a year, or before leaving home for more than a month. If batteries are inserted within two minutes, the time and day will not have to be reset. When replacing batteries, alkaline batteries are recommended. Setting the time involves touching Menu on the thermostat home screen and selecting CLOCK. Set clock format and daylight saving time in the CLOCK sub-menu.
• Page 17: RTH8500 Series Setting the date Touch Menu on the thermostat home screen. Continue to set day and year in the same way. Touch Select to save your changes. Choosing Fahrenheit or Celsius To select a temperature scale, follow the steps below. Touch the or arrows to select FAHRENHEIT or CELSIUS then touch Done to save your changes. Alerts and maintenance reminders Touch Menu on the thermostat home screen, then you’ll see the ALERTS sub-menu. Touch Select to view the alert. A 3-digit alert code will appear by the thermostat’s clock. If the alert is non-critical, you’ll have the option to Snooze or Dismiss it. To see what each 3-digit alert code means and the action you should take, refer to the chart below.
• Page 18: Quick Installation Guide Troubleshooting If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. Display is blank Make sure fresh AA alkaline batteries are properly installed. If powered by common (C-wire), verify circuit breaker and furnace switch are turned on. Cannot change system setting to Cool Check System Setup Option 220 to make sure the options are set to either 1 or 2. Fan does not turn on when heat is required Check System Setup Option 205 to make sure it is set to match your heating equipment. Heating system is running in cool mode Check System Setup Option 200 or 218 to make sure it is set to match your heating and cooling equipment. Heating or cooling system does not respond Press System to set system to Heat. Make sure the temperature is set higher than the Inside temperature. Heat On / Cool On flashing on the screen Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely.
• Page 19: RTH8500 Series 1-year limited warranty Resideo warrants this product, excluding battery, to be free from defects in workmanship or materials, under normal use and service, for a period of one (1) year from the date of first purchase by the original purchaser. If at any time during the warranty period the product is determined to be defective due to workmanship or materials, Resideo shall repair or replace it. This warranty does not cover removal or reinstallation costs. Resideo’s sole responsibility shall be to repair or replace the product within the terms stated above. Resideo shall not be liable for any loss or damage of any kind, including any incidental or consequential damages resulting from any breach of any warranty. This warranty is the only express warranty Resideo makes on this product. The duration of any implied warranties, including the warranties of merchantability and fitness for a particular purpose, is hereby limited to the one year duration of this warranty. This warranty gives you specific legal rights, and you may have other rights which vary from state to state.