Owner's Manual
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All Rights Reserved 69-1713 Operating Instructions TH5110D Non-programmable Thermostat OPERATING INSTRUCTIONS The TH5110D Thermostat provides electronic control of 24 Vac singlestage heating and cooling systems or 750 mV heating systems. For assistance with your Honeywell product please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502. Read and Save these Instructions Patents Pending ® U.S. Registered Trademark © 2004 Honeywell International Inc.
All Rights Reserved 69-1713 Operating Instructions TH5110D Non-programmable Thermostat OPERATING INSTRUCTIONS The TH5110D Thermostat provides electronic control of 24 Vac singlestage heating and cooling systems or 750 mV heating systems. For assistance with your Honeywell product please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502. Read and Save these Instructions Patents Pending ® U.S. Registered Trademark © 2004 Honeywell International Inc.
Owner's Manual
Page 2
Contents Features 3 Get to Know Your Thermostat 4 Thermostat 4 Display 5 Operate Your Thermostat 6 Set System Setting 6 Set Fan Setting 7 Change Temperature Setting 8 Replace Batteries 9 Review Battery Tips 13 Built-in Compressor Protection 14 Auto Changeover 15 Replacement Part 19 Troubleshooting Tips 20 Customer Assistance 23 Limited Five-Year Warranty 24 2 69-1713
Contents Features 3 Get to Know Your Thermostat 4 Thermostat 4 Display 5 Operate Your Thermostat 6 Set System Setting 6 Set Fan Setting 7 Change Temperature Setting 8 Replace Batteries 9 Review Battery Tips 13 Built-in Compressor Protection 14 Auto Changeover 15 Replacement Part 19 Troubleshooting Tips 20 Customer Assistance 23 Limited Five-Year Warranty 24 2 69-1713
Owner's Manual
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Features • Large, Clear, Backlit Display: Easy-to-see and read-even in Compressor Protection: Minimum-off timer protects compressor from restarting too early after a shutdown. 69-1713 3 Simultaneously displays both room temperature and temperature setting. • Easy Change Battery Holder. • Built-in the dark. • Precise Comfort Control: ±1ºF of your set temperature. • Simplified Operation: Soft-key controls.
Features • Large, Clear, Backlit Display: Easy-to-see and read-even in Compressor Protection: Minimum-off timer protects compressor from restarting too early after a shutdown. 69-1713 3 Simultaneously displays both room temperature and temperature setting. • Easy Change Battery Holder. • Built-in the dark. • Precise Comfort Control: ±1ºF of your set temperature. • Simplified Operation: Soft-key controls.
Owner's Manual
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Get to Know Your Thermostat Thermostat DIGITAL DISPLAY BATTERY HOLDER LATCH PRESS TO RELEASE BATTERY HOLDER Inside SetCtinogol Fan Auto SysteCmool On Cool PRESS BATTERY HOLDER TWO AAA ALKALINE BATTERIES TEMPERATURE SETTING BUTTON RAISES TEMPERATURE SETTING FAN BUTTON SELECTS AUTO OR ON TEMPERATURE SETTING BUTTON LOWERS TEMPERATURE SETTING SYSTEM BUTTON SELECTS HEAT, OFF, COOL OR AUTO M22084 4 69-1713
Get to Know Your Thermostat Thermostat DIGITAL DISPLAY BATTERY HOLDER LATCH PRESS TO RELEASE BATTERY HOLDER Inside SetCtinogol Fan Auto SysteCmool On Cool PRESS BATTERY HOLDER TWO AAA ALKALINE BATTERIES TEMPERATURE SETTING BUTTON RAISES TEMPERATURE SETTING FAN BUTTON SELECTS AUTO OR ON TEMPERATURE SETTING BUTTON LOWERS TEMPERATURE SETTING SYSTEM BUTTON SELECTS HEAT, OFF, COOL OR AUTO M22084 4 69-1713
Owner's Manual
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Get to Know Your Thermostat (Cont) 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 69-1713 5
Get to Know Your Thermostat (Cont) 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 69-1713 5
Owner's Manual
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... Hazard. Do not operate cooling system when outdoor temperature is below 50°F (10°C). M22107 6 69-1713 See Auto Changeover section. Replace Batt Service Needed Fan System Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. 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. Auto-Thermostat automatically changes between heating and cooling operation, depending on...
... Hazard. Do not operate cooling system when outdoor temperature is below 50°F (10°C). M22107 6 69-1713 See Auto Changeover section. Replace Batt Service Needed Fan System Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. 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. Auto-Thermostat automatically changes between heating and cooling operation, depending on...
Owner's Manual
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Use this setting for improved air circulation or for most homes. Operate Your Thermostat (Cont) Set Fan Setting Press the Fan button to select Auto or On: Auto-Normal setting for more efficient air cleaning. The fan runs only when the heating or cooling system is on. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. M22108 69-1713 7 On-The fan runs continuously.
Use this setting for improved air circulation or for most homes. Operate Your Thermostat (Cont) Set Fan Setting Press the Fan button to select Auto or On: Auto-Normal setting for more efficient air cleaning. The fan runs only when the heating or cooling system is on. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. M22108 69-1713 7 On-The fan runs continuously.
Owner's Manual
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The second press of the Up or Down button turns on the backlight. Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired temperature setting. Inside Replace Batt Service Needed Cool On Fan System Auto Cool TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING TEMPERATURE SETTING RANGE: HEAT: 40°TO 90°F (4.5°T0 32°C) COOL: 50°TO 99°F (10°T0...
The second press of the Up or Down button turns on the backlight. Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired temperature setting. Inside Replace Batt Service Needed Cool On Fan System Auto Cool TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING TEMPERATURE SETTING RANGE: HEAT: 40°TO 90°F (4.5°T0 32°C) COOL: 50°TO 99°F (10°T0...
Owner's Manual
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Replace Batteries AA alkaline batteries. 1. all settings are replaced; REPLACE BATTERY INDICATOR Inside Replace Battery Cool Setting Service Needed Fan System Auto Cool M22110 The thermostat does not lose any settings when the batteries are permanently stored in memory. 69-1713 9 When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries.
Replace Batteries AA alkaline batteries. 1. all settings are replaced; REPLACE BATTERY INDICATOR Inside Replace Battery Cool Setting Service Needed Fan System Auto Cool M22110 The thermostat does not lose any settings when the batteries are permanently stored in memory. 69-1713 9 When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries.
Owner's Manual
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Remove the battery holder from the thermostat. BATTERY HOLDER LATCH BATTERY HOLDER Inside Replace Battery Service Needed Fan System Auto Cool M22111 10 69-1713 Press the battery holder latch to release the battery holder. 3. Replace Batteries (Cont) 2.
Remove the battery holder from the thermostat. BATTERY HOLDER LATCH BATTERY HOLDER Inside Replace Battery Service Needed Fan System Auto Cool M22111 10 69-1713 Press the battery holder latch to release the battery holder. 3. Replace Batteries (Cont) 2.
Owner's Manual
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... use fresh AAA alkaline batteries. As a precaution, replace the batteries when leaving your home for more than a month to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 2. Nonalkaline batteries do not last as Replace Battery flashes in the display two months before the batteries run down due to the thermostat. 3. Although the thermostat has a Replace Battery indicator, replace the batteries once per year to prevent your heating/cooling...
... use fresh AAA alkaline batteries. As a precaution, replace the batteries when leaving your home for more than a month to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 2. Nonalkaline batteries do not last as Replace Battery flashes in the display two months before the batteries run down due to the thermostat. 3. Although the thermostat has a Replace Battery indicator, replace the batteries once per year to prevent your heating/cooling...
Owner's Manual
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If there is activated after a shutdown. Built-in Compressor Protection The TH5110D Thermostat has built-in the display and the compressor and the fan turn on. _________ a Heat Pumps only. 14 69-1713 The minimum-off timer is a call during the minimum-off . When the minimum-off timer expires, "Cool On" or "Heat On"a appears solidly in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off timer, the thermostat flashes "Cool On" or "Heat On" a in the display.
If there is activated after a shutdown. Built-in Compressor Protection The TH5110D Thermostat has built-in the display and the compressor and the fan turn on. _________ a Heat Pumps only. 14 69-1713 The minimum-off timer is a call during the minimum-off . When the minimum-off timer expires, "Cool On" or "Heat On"a appears solidly in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off timer, the thermostat flashes "Cool On" or "Heat On" a in the display.
Owner's Manual
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... is a feature used in climates where both air conditioning and heating are adjusting the temperature setting, if "!Cool" or ""Heat" appear in this Auto Changeover section provide an example of the opposite mode is also being adjusted. The Auto setting appears only if the thermostat is not adjustable. 69-1713 15 In some installations, Auto may be the only system selection. When you are used on the same day.
... is a feature used in climates where both air conditioning and heating are adjusting the temperature setting, if "!Cool" or ""Heat" appear in this Auto Changeover section provide an example of the opposite mode is also being adjusted. The Auto setting appears only if the thermostat is not adjustable. 69-1713 15 In some installations, Auto may be the only system selection. When you are used on the same day.
Owner's Manual
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M22113 The Auto setting appears only if the thermostat is set up for Auto Changeover by your heating and air conditioning dealer. 16 69-1713 Replace Batt Service Needed Cool On Fan System Auto Cool PRESS THE SYSTEM BUTTON TO CHANGE SYSTEM SETTING TO AUTO. Press the System button to change the System setting to Auto. Auto Changeover (Cont) 1.
M22113 The Auto setting appears only if the thermostat is set up for Auto Changeover by your heating and air conditioning dealer. 16 69-1713 Replace Batt Service Needed Cool On Fan System Auto Cool PRESS THE SYSTEM BUTTON TO CHANGE SYSTEM SETTING TO AUTO. Press the System button to change the System setting to Auto. Auto Changeover (Cont) 1.
Owner's Manual
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Press the Up or Down button to display the Heat temperature setting. "Select Heat/Cool" flashes for six seconds. Press the Select Heat/Cool button to raise or lower the cool temperature setting. 3. Replace Batt Service Needed Fan Auto Select Heat/Cool SELECT HEAT/ COOL BUTTON TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING M22114 69-1713 17 Auto Changeover (Cont) 2.
Press the Up or Down button to display the Heat temperature setting. "Select Heat/Cool" flashes for six seconds. Press the Select Heat/Cool button to raise or lower the cool temperature setting. 3. Replace Batt Service Needed Fan Auto Select Heat/Cool SELECT HEAT/ COOL BUTTON TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING M22114 69-1713 17 Auto Changeover (Cont) 2.
Owner's Manual
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Press the Up or Down button to displaying "Auto" for the System setting. "Select Heat/Cool" stops flashing six seconds after the last button press. Inside Heat Setting Service Needed Fan Auto Select Heat/Cool TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING M22116 18 69-1713 The thermostat then returns to raise or lower the heat temperature setting. 5. Auto Changeover (Cont) 4.
Press the Up or Down button to displaying "Auto" for the System setting. "Select Heat/Cool" stops flashing six seconds after the last button press. Inside Heat Setting Service Needed Fan Auto Select Heat/Cool TEMPERATURE SETTING PRESS THIS BUTTON TO RAISE THE TEMPERATURE SETTING PRESS THIS BUTTON TO LOWER THE TEMPERATURE SETTING M22116 18 69-1713 The thermostat then returns to raise or lower the heat temperature setting. 5. Auto Changeover (Cont) 4.
Owner's Manual
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... not turn on. • Set the system to be sure it is on. Check power switch at heating and/or cooling system to be sure it is closed securely. Wait five minutes for the heating system to be sure it is on the battery holder. Check that the temperature settings are installed as marked on . • Check furnace door to respond. Display is blank. •...
... not turn on. • Set the system to be sure it is on. Check power switch at heating and/or cooling system to be sure it is closed securely. Wait five minutes for the heating system to be sure it is on the battery holder. Check that the temperature settings are installed as marked on . • Check furnace door to respond. Display is blank. •...
Owner's Manual
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... shown solidly in temperature setting above the room the display. temperature. If "Heat On" is closed securely. Check the power switch at the heating and/or cooling system to be sure it is Set System setting to Heat and set below room temperature and "Cool On" shows solidly in Troubleshooting Tips. 69-1713 21 Check the circuit breaker to Cool by pressing the System button. Wait five minutes for...
... shown solidly in temperature setting above the room the display. temperature. If "Heat On" is closed securely. Check the power switch at the heating and/or cooling system to be sure it is Set System setting to Heat and set below room temperature and "Cool On" shows solidly in Troubleshooting Tips. 69-1713 21 Check the circuit breaker to Cool by pressing the System button. Wait five minutes for...
Owner's Manual
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... display. "Heat On" is Compressor minimum-off timer is Set System setting to turn on. (heat pumps only). "Cool On" is Compressor minimum-off timer is shown solidly in the display, but the cooling system does not turn on, see "Cooling system does not turn on " in temperature setting below the room the display. flashing in Wait up to five minutes for the heating the display system to Cool and set the not shown in Troubleshooting Tips. "Cool...
... display. "Heat On" is Compressor minimum-off timer is Set System setting to turn on. (heat pumps only). "Cool On" is Compressor minimum-off timer is shown solidly in the display, but the cooling system does not turn on, see "Cooling system does not turn on " in temperature setting below the room the display. flashing in Wait up to five minutes for the heating the display system to Cool and set the not shown in Troubleshooting Tips. "Cool...
Owner's Manual
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... the following address: Honeywell Return Goods Dock 4 MN10-3860 1885 Douglas Dr N Golden Valley, MN 55422 This warranty does not cover removal or reinstallation costs. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this product, excluding battery, to be to repair or replace the product within a reasonable period of time. If the...
... the following address: Honeywell Return Goods Dock 4 MN10-3860 1885 Douglas Dr N Golden Valley, MN 55422 This warranty does not cover removal or reinstallation costs. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this product, excluding battery, to be to repair or replace the product within a reasonable period of time. If the...
