Instruction Manual for Honeywell models including: TH5110D, Non-Programmable Thermostat, TH5110D Non-Programmable Thermostat

69-1713—01 - TH5110D NON-PROGRAMMABLE THERMOSTAT

Installation Instructions

Resideo Technical Communications

TH5220D1003/U Thermostat - Honeywell Home | Resideo Pro

TH5110D NON-PROGRAMMABLE THERMOSTAT - Resideo

2022-03-05 — Large, Clear, Backlit Display: Easy-to-see and read— even in the dark. • Precise Comfort Control: ±1ºF of your set temperature.

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69-1713
TH5110D

Operating Instructions

NON-PROGRAMMABLE THERMOSTAT

Inside

Cool Setting

Fan

System

Auto

Cool

M37933A
The TH5110D Thermostat provides electronic control of 24 Vac single- stage heating and cooling systems or 750 mV heating systems.
For assistance with your product please visit www.honeywellhome.com or call Customer Care toll free at 1-800-468-1502.
Read and Save these Instructions
FEATURES
 Large, Clear, Backlit Display: Easy-to-see and read-- even in the dark.
 Precise Comfort Control: 1F of your set temperature.
 Simplified Operation: Soft-key controls. Simultaneously displays both room temperature and temperature setting.
 Easy Change Battery Holder.
 Built-in Compressor Protection: Minimum-off timer protects compressor from restarting too early after a shutdown.

OPERATING INSTRUCTIONS
GET TO KNOW YOUR THERMOSTAT
Thermostat

DIGITAL DISPLAY

BATTERY HOLDER LATCH
PRESS TO RELEASE BATTERY HOLDER

PRESS

BATTERY HOLDER
TWO AAA ALKALINE BATTERIES
TEMPERATURE SETTING BUTTON
RAISES TEMPERATURE SETTING

FAN BUTTON
SELECTS AUTO OR ON

TEMPERATURE

SETTING BUTTON

LOWERS

TEMPERATURE

SYSTEM BUTTON

SETTING

SELECTS HEAT, OFF, COOL OR AUTO M22084A

Display

INSIDE TEMPERATURE

INDICATES BATTERIES ARE LOW AND MUST BE REPLACED

Inside Replace Battery HeatCool Setting

TEMPERATURE SETTING

Fan On Auto

Heat On Cool On System Heat Cool AutoOff

INDICATES THERMOSTAT IS "CALLING" FOR HEAT OR COOL

CURRENT FAN SETTING

CURRENT SYSTEM SETTING
M22083

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OPERATE YOUR THERMOSTAT
Set System Setting
Press the System button to select Heat, Off, Cool or Auto: Heat--Thermostat controls the heating system. Off--Both the heating and cooling systems are off. Cool--Thermostat controls the cooling system. Auto--Thermostat automatically changes between heating and cooling operation, depending on indoor temperature. See Auto Changeover section.
CAUTION
Equipment Damage Hazard. Air conditioning compressor damage possible. Do not operate cooling system when outdoor temperature is below 50F (10C).

Replace Batt
Service Needed
PRESS THE FAN BUTTON TO SELECT AUTO OR ON.

Replace Batt
Service Needed

Change Temperature Setting
Press the Up or Down button to select the desired temperature setting.

PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO.
Set Fan Setting
Press the Fan button to select Auto or On: Auto--Normal setting for most homes. The fan runs only when the heating or cooling system is on.
On--The fan runs continuously. Use this setting for improved air circulation or for more efficient air cleaning.

Replace Batt
Service Needed

TEMPERATURE SETTING
PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING
PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING

TEMPERATURE SETTING RANGE: HEAT: 40TO 90F (4.5T0 32C) COOL: 50TO 99F (10T0 37C)

NOTE: The first press of the Up or Down button turns on the backlight. The second press of the Up or Down button changes the temperature setting.

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TH5110D

REPLACE BATTERIES
1. When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries.
REPLACE BATTERY INDICATOR
RReepplalacceeBBatatettry

Battery Tips

BATTERY HOLDER LATCH

BATTERY HOLDER

Replace Battery

Service Needed

Service Needed

M22110A

NOTE: The thermostat does not lose any settings when the batteries are replaced; all settings are permanently stored in memory.
2. Press the battery holder latch to release the battery holder.
3. Remove the battery holder from the thermostat.

BATTERY HOLDER LATCH

BATTERY HOLDER

Replace Battery

Service Needed

M22111A
4. Remove the old batteries and insert two fresh AAA alkaline batteries as marked on the battery holder.
BATTERY HOLDER
PUSH BATTERIES
OUT THROUGH THIS HOLE
BATTERY DIRECTION
M22017

M22111A
REVIEW BATTERY TIPS
1. Replace the batteries as soon as Replace Battery flashes in the display. The Replace Battery indicator flashes in the display two months before the batteries run down completely.
2. Always use fresh AAA alkaline batteries. Non-alkaline batteries do not last as long and can leak, causing damage to the thermostat.
3. Although the thermostat has a Replace Battery indicator, replace the batteries once per year to prevent the thermostat and heating/cooling system from shutting down due to a lack of battery power.
NOTE: Replacing the batteries once a year also helps prevent battery leakage that can damage the thermostat.
4. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down if the batteries run down completely.
BUILT-IN COMPRESSOR PROTECTION
The TH5110D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after a shutdown.
The minimum-off timer is activated after the compressor turns off.
If there is a call during the minimum-off timer, the thermostat flashes "Cool On" or "Heat On" a in the display.
When the minimum-off timer expires, "Cool On" or "Heat On"a appears solidly in the display and the compressor and the fan turn on.
_________ a Heat Pumps only.

5. Insert battery holder as shown.

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AUTO CHANGEOVER
Auto Changeover is a feature used in climates where both air conditioning and heating are used on the same day. The Auto setting appears only if the thermostat is set up for Auto Changeover by your heating and air conditioning dealer. In some installations, Auto may be the only system selection.
The following pages in this Auto Changeover section provide an example of how to change both the cool and heat temperature settings when the system is set to Auto.
When you are adjusting the temperature setting, if "Cool" or "Heat" appear in the display, the temperature setting of the opposite mode is also being adjusted. The thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). This three-degree deadband is not adjustable.
1. Press the System button to change the System setting to Auto.
Replace Batt
Service Needed
PRESS THE SYSTEM BUTTON TO CHANGE SYSTEM SETTING TO AUTO.

3. Press the Select Heat/Cool button to display the Heat temperature setting. "Select Heat/Cool" flashes for six seconds.

Replace Batt
Service Needed
SELECT HEAT/ COOL BUTTON

TEMPERATURE SETTING
PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING
PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING

M22114A
4. Press the Up or Down button to raise or lower the heat temperature setting.
5. "Select Heat/Cool" stops flashing six seconds after the last button press. The thermostat then returns to displaying "Auto" for the System setting.

Replace Batt
Service Needed

TEMPERATURE SETTING
PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING
PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING

M22113A
NOTE: The Auto setting appears only if the thermostat is set up for Auto Changeover by your heating and air conditioning dealer.
2. Press the Up or Down button to raise or lower the cool temperature setting.

M22116A

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TH5110D

Troubleshooting Tips

If . . .

Then . . .

Display is blank.

 Check circuit breaker to be sure it is not tripped.  Check power switch at heating and/or cooling system to be sure it is on.  Check furnace door to be sure it is closed securely.  If you use batteries, check that fresh AAA alkaline batteries are installed as marked on
the battery holder.

Temperature settings Check that the temperature settings are:

do not change.

 Heating 40F to 90F (4.5C to 32C).

 Cooling 50F to 99 F (10C to 37C).

Heating system does not turn on.

 Set the system to Heat by pressing the System button.  Check that the heat temperature setting is set above the room temperature and "Heat
On" shows solidly in the display.  Check the circuit breaker to be sure it is not tripped.  Check power switch at the heating and/or cooling system to be sure it is on.  Check the furnace door to be sure it is closed securely.  Wait five minutes for the heating system to respond.  If all of this was checked, contact your local heating and cooling contractor.

Cooling system does not turn on.

 Set the system to Cool by pressing the System button.  Check the cool temperature setting to be sure it is set below room temperature and
"Cool On" shows solidly in the display.  Check the circuit breaker to be sure it is not tripped.  Check the power switch at the heating and/or cooling system to be sure it is on.  Check the furnace door to be sure it is closed securely.  Wait five minutes for the cooling system to respond.  If all of this was checked, contact your local heating and cooling contractor.

"Heat On" is not shown Set System setting to Heat and set the temperature setting above the room temperature.

in the display.

If "Heat On" is shown solidly in the display, but the heating system does not turn on, see

"Heating system does not turn on" in Troubleshooting Tips.

"Cool On" is not shown Set System setting to Cool and set the temperature setting below the room temperature. If

in the display.

"Cool On" is shown solidly in the display, but the cooling system does not turn on, see

"Cooling system does not turn on" in Troubleshooting Tips.

"Heat On" is flashing Compressor minimum-off timer is active. Wait up to five minutes for the heating system in the display (heat to turn on. pumps only).

"Cool On" is flashing in Compressor minimum-off timer is active. Wait up to five minutes for the cooling system

the display.

to turn on.

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CUSTOMER ASSISTANCE
For assistance with your product, please visit www.honeywellhome.com or call Customer Care toll free at 1-800-468-1502. Before calling, please have the thermostat model number and date code available.

MODEL NUMBER xxxxxxxx

DATE CODE xxxxxx

THERMOSTAT BATTERY HOLDER

M22047A

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TH5110D
FIVE-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 five (5) years 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 Resideo'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.
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, 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 FIVE 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.

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www.resideo.com

Resideo Technologies, Inc. 1985 Douglas Drive North, Golden Valley, MN 55422 1-800-468-1502 69-1713--01 M.S. Rev. 06-21 | Printed in United States

 2021 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.


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