Honeywell Home RTH111 Series Non-Programmable Thermostat Owner's Manual
Identify System TypeThis thermostat is compatible with the following systems:
- Gas, oil or electric furnace
- Central air conditioner
- Hot water system with or without pump
- Millivolt system
- Central heating and cooling system
- Heat pump without auxiliary/backup heat
This thermostat cannot be used on heat pumps with backup heat or on multistage systems.
ATTENTION: MERCURY RECYCLING NOTICEThis product does not contain mercury. However, this product may replace a product that contains mercury. Mercury and products containing mercury should not be discarded in household trash.For more information on how and where to properly recycle a thermostat containing mercury in the United States, please refer to the Thermostat Recycling Corporation at www.thermostat-recycle.org.For mercury thermostat recycling in Canada, please refer to Switch the Stat at www.switchthestat.ca
NOTICE: To avoid possible compressor damage, do not run air conditioner if the outside temperature drops below 50 °F (10 °C).
Customer assistance
F
Installation
1 Turn Off Power to Heating/Cooling System
2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached.
3 Label Wires with TagsLabel the wires using the supplied wire labels as you disconnect them. Wire Labels
4 Separate Wallplate from New Thermostat
Remove wallplate from the new thermostat and mount onto wall.
5 Mount WallplateMount the new wallplate using the included screws and anchors.
Drill 3/16-in. (4,76 mm ) holes for drywallDrill 3/32-in. (2,38 mm ) holes for plaster
6 Connect WiresSimply match wire labels.If labels do not match letters on the thermostat, check “Alternate Wiring” on page 6 and connect to terminal as shown (see notes, below).
Alternate WiringIf labels do not match letters on the thermostat, check the chart below and connect to terminal as shown here (see notes, below).
7 Install Batteries
8 Set fan operation switchMove the switch to the proper setting:
Gas or Oil: For gas or oil heating systems, leave the fan operation switch in this factory set position (for systems that control the fan in a call for heat).
Electric or Heat Pump: Change the switch to this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.)
9 Install Thermostat onto WallplateInstall thermostat onto the wallplate on the wall.
10 Turn Power Back OnTurn the power back on to the heating/cooling system.
11 If your system type is…
If your system type is:□ Single Stage Heat and Cool□ Heat Only or Cool Only
Congratulations, you’re done!This thermostat works on single stage 24 volt or 750 mV systems. It will NOT work on multi-stage systems.
Advanced Installation
Enter System SetupTo enter system setup, press and hold both the ▲ and ▼ buttons until the display changes (approximately 5 seconds).
Changing Settings
- Press the ▲ or ▼ button to change the setting.
- Press the ▲ and ▼ buttons simultaneously for one second to advance to the next function.
- When the last function is displayed, press the ▲ and ▼ buttons to save any changes and exit the menu.
NOTE: If you do not press any button for 60 seconds while you are in the setup menu, the thermostat automatically saves any changes made and exits the menu.
* Compressor Protection: This feature forces the compressor to wait approximately 5 minutes before restarting, to prevent equipment damage. During the wait time, the message “Cool On” or “Heat On” is displayed on screen.
About your new thermostat
Your new Resideo thermostat has been designed to give you many years of reliable service and easy-to-use, push-button climate control.
- Displays ambient (measured) temperature at all times
- One-touch access to setpoint temperature
- Built-in compressor protection
Thermostat controls
Display screen
Built-in compressor protection
Battery replacement
Install two fresh AAA batteries when Lo Batt flashes on the screen. Lo Batt appears for 60 days before the batteries are depleted.Replace batteries once a year, or when you will be away for more than a month.Most settings are stored in nonvolatile (permanent) memory. Only the clock and the day must be set after you replace the batteries.
Set the System switch to Off before removing the batteries. Otherwise, the heating/cooling system could remain activated even when batteries are removed.
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 AAA alkaline batteries are correctly installed.
Heating or cooling system does not respond
- Set system switch to Heat. Make sure the temperature is set higher than the Inside temperature.
- Set system switch to Cool. Make sure the temperature is set lower than the Inside temperature.
- Wait 5 minutes for the system to respond.
Cannot change setpoint
Verify the system switch is set to Heat or Cool mode. The thermostat should allow you to change the setpoint within the following ranges:
- Heat: 40 °F to 90 °F (4.5 °C to 32 °C).
- Cool: 50 °F to 99 °F (10 °C to 37 °C).
“Cool On” or “Heat On” is flashing
- Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor.
“Heat On” is not displayed
- Set the System switch to Heat, and set the temperature level above the current room temperature.
“Cool On” is not displayed
- Set the System switch to Cool, and set the temperature level below the current room temperature.
For assistance with this product, please visit resideo.com.
Electrical Ratings
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 (at Residue’s option). If the product is defective,(i) return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or(ii) call Resideo Customer Care at 1-800-468-1502. Customer Care will make the determination whether the product should be returned to the following address: Resideo Return Goods, 1985 Douglas Dr. N., Golden Valley, MN 55422, or whether a replacement product can be sent to you.
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Resideo that the defect was caused by damage which occurred while the product was in the possession of a consumer.
Residue’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, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you.
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. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write Resideo Customer Care, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502.
Resideo Technologies, Inc. 1985 Douglas Drive North, Golden Valley, MN 5542233-00137ES–03 M.S. Rev. 05-20 | Printed in United States
report this ad© 2020 Resideo Technologies, Inc. All rights reserved. The Honeywell Home trademark is used under license from Honeywell International, Inc. This product is manufactured by Resideo Technologies, Inc. and its affiliates. 
References
[xyz-ips snippet=”download-snippet”]