Honeywell Home RTH111 Non-Programmable Thermostat Owners Manual

Honeywell Home RTH111 Non-Programmable Thermostat

Identify System Type

This 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

Do you need assistance? We are here to help. Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store. This thermostat cannot be used on heat pumps with backup heat or on multistage systems

ATTENTION: MERCURY RECYCLING NOTICE

This 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 the air conditioner if the outside temperature drops below 50 °F (10 °C).

Customer Assistance
For assistance with this product, please visit honeywellhome.com Or call Resideo Customer Care toll-free at 1-800-468-1502. To save time, please note your model number and date code before calling. Pull at bottom to remove thermostat from wallplate. Turn thermostat over to find model number and date code.

Turn Off Power to the Heating/Cooling System

Remove Old Thermostat
Remove the old thermostat but leave the wallplate with wires attached.

Label Wires with Tags
Label the wires using the supplied wire labels as you disconnect them.

Separate Wallplate from New Thermostat
Remove the wallplate from the new thermostat and mount it onto the wall.

Mount Wallplate
Mount the new wallplate using the included screws and anchors.

Drill 3/16-in. (4,76 mm ) holes for drywall
Drill 3/32-in. (2,38 mm ) holes for plaster

Connect Wires

Simply match wire labels.
If labels do not match the letters on the thermostat, check “Alternate Wiring” on page 6 and connect to the terminal as shown (see notes, below).

We are here to help. Call 1-800-468-1502 for wiring assistance

Alternate Wiring
If labels do not match the letters on the thermostat, check the chart below and connect to the terminal as shown here (see notes, below).

1. If wires will be connected to both R and Rc terminals, remove the metal jumper.
2. Do not use C or X. Wrap the bare end of the wire with electrical tape.
3. If you have a heat pump without auxiliary/backup heat connect O or B, not both. If you do not have a heat pump, do not connect B. Wrap the bare end of the wire with electrical tape.
4. Place a jumper (a piece of wire) between Y and W if you are using a heat pump without auxiliary/backup heat.

Install Batteries

Set fan operation switch
Move 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 pumps 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.)

Install Thermostat onto Wallplate
Install the thermostat on the wallplate on the wall.

Turn Power Back On
Turn the power back on to the heating/cooling system.

If your system type is…

• Single Stage Heat and Cool
• Heat Only or Cool Only

Congratulations, you’re done!
If you are not sure of your system type or if you have other questions, call us toll-free at 1-800-468-1502. This thermostat works on single-stage 24-volt or 750 mV systems. It will NOT work on multi-stage systems.

Advanced Installation
Enter System Setup
To enter the system setup, press and hold both buttons until the display changes (approximately 5 seconds).

Changing Settings

1. Press the or button to change the setting.
2. Press the and buttons simultaneously for one second to advance to the next function.
3. When the last function is displayed, press the s and t 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.

Function	Description Press the s or t button to	Setting
5	select your heating system and optimize its operation	5  Gas or oil furnace: Use this setting if you have a standard gas or oil furnace that is less than 90% efficient. 6  Electric furnace: Use this setting if you have any type of electric heating system. 3  Heat  pump,  hot  water  or  high-efficiency  furnace:  Use this setting if you have a hot water system or a gas furnace of greater than 90% efficiency. 2 Gas/oil steam or gravity system: Use this setting if you have a steam or gravity heat system.
14	select Fahrenheit or Celsius temperature display	0  Fahrenheit temperature display (°F) 1  Celsius temperature display (°C)
15*	select Compressor Protection settings	1 On 0 Off

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 the 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 the setpoint temperature
• Built-in compressor protection

Thermostat controls

Display screen

Built-in compressor protection
This feature helps prevent damage to the compressor in your air conditioning or heat pump system.

Damage can occur if the compressor is restarted too soon after shutdown. This feature forces the compressor to wait 5 minutes before restarting. During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on.

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 non-volatile (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 the 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° to 90°F (4.5° to 32°C). •     Cool: 50° to 99°F (10° 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 honeywellhome.com or call Resideo Customer Care toll-free at 1-800-468-1502.

Electrical Ratings

Terminals	Voltage (50 Hz/60 Hz)	Running Current
W Heating	20 VAC-30 VAC	1.0 A
W Power Pile Heating	750 mV DC	100 mA DC
Y Compressor	20 VAC-30 VAC	1.0 A
O Changeover, Cooling	20 VAC-30 VAC	0.5 A
B Changeover, Heating	20 VAC-30 VAC	0.5 A
G Fan	20 VAC-30 VAC	0.5 A

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 Reside o’s option).

If the product is defective,

• return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or
• 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 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 that occurred while the product was in the possession of a consumer. Reside o’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 This product is manufactured by Resideo Technologies, Inc., Golden Valley, MN, 1-800-468-1502 ©2019 Resideo Technologies, Inc. The Honeywell Home trademark is used under license from Honeywell International Inc. All rights reserved.

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Honeywell Home RTH111 NonProgrammable Thermostat Owners Manual