Owner's Manual
Page 1
Registered Trademark © 2004 Honeywell International Inc. Read and Save these Instructions Patents Pending ® U.S. 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. All Rights Reserved 69-1713
Registered Trademark © 2004 Honeywell International Inc. Read and Save these Instructions Patents Pending ® U.S. 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. All Rights Reserved 69-1713
Owner's Manual
Page 4
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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... System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system. Cool-Thermostat controls the cooling system. Replace Batt Service Needed Fan System Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. See Auto Changeover section. Do not operate cooling system when outdoor temperature is below 50°...
... System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system. Cool-Thermostat controls the cooling system. Replace Batt Service Needed Fan System Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. See Auto Changeover section. Do not operate cooling system when outdoor temperature is below 50°...
Owner's Manual
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The fan runs only when the heating or cooling system is on. On-The fan runs continuously. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. Use this setting for improved air circulation or for most homes. M22108 69-1713 7 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. On-The fan runs continuously. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. Use this setting for improved air circulation or for most homes. M22108 69-1713 7 Operate Your Thermostat (Cont) Set Fan Setting Press the Fan button to select Auto or On: Auto-Normal setting for more efficient air cleaning.
Owner's Manual
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... (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 37°C) M22109 The first press of the Up or...
... (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 37°C) M22109 The first press of the Up or...
Owner's Manual
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... a lack of battery power. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down due to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 69-1713 13 The Replace Battery indicator flashes in the...
... a lack of battery power. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down due to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 69-1713 13 The Replace Battery indicator flashes in the...
Owner's Manual
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When the 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 and the compressor and the fan turn on. _________ a Heat Pumps only. 14 69-1713 Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off timer expires, "Cool On" or "Heat On"a appears solidly in the display. If there is activated after a shutdown. The minimum-off timer is a call during the minimum-off .
When the 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 and the compressor and the fan turn on. _________ a Heat Pumps only. 14 69-1713 Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off timer expires, "Cool On" or "Heat On"a appears solidly in the display. If there is activated after a shutdown. The minimum-off timer is a call during the minimum-off .
Owner's Manual
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... settings three degrees apart (called deadband). This three-degree deadband is set to change 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. When you are ...used in climates where both the cool and heat temperature settings when the system is set up for Auto Changeover by your heating and air conditioning dealer. In some installations, Auto may be the only system selection. Auto ...
... settings three degrees apart (called deadband). This three-degree deadband is set to change 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. When you are ...used in climates where both the cool and heat temperature settings when the system is set up for Auto Changeover by your heating and air conditioning dealer. In some installations, Auto may be the only system selection. Auto ...
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. Auto Changeover (Cont) 1. Press the System button to change the System setting to Auto.
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. Auto Changeover (Cont) 1. Press the System button to change the System setting to Auto.
Owner's Manual
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Press the Select Heat/Cool button to raise or lower the cool temperature setting. 3. "Select Heat/Cool" flashes for six seconds. 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.
Press the Select Heat/Cool button to raise or lower the cool temperature setting. 3. "Select Heat/Cool" flashes for six seconds. 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.
Owner's Manual
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Press the Up or Down button to displaying "Auto" for the System setting. The thermostat then returns to raise or lower the heat temperature setting. 5. 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 "Select Heat/Cool" stops flashing six seconds after the last button press. Auto Changeover (Cont) 4.
Press the Up or Down button to displaying "Auto" for the System setting. The thermostat then returns to raise or lower the heat temperature setting. 5. 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 "Select Heat/Cool" stops flashing six seconds after the last button press. Auto Changeover (Cont) 4.
Owner's Manual
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...is on . • Check furnace door to respond. If all of this was checked, contact your local heating and cooling contractor. 20 69-1713 Check power switch at heating and/or cooling system to be sure it is closed securely. Check the circuit breaker to be sure it is not tripped.... • Check circuit breaker to be sure it is closed securely. • If you use batteries, check that the heat temperature setting is not tripped. • Check power switch at the heating and/ or cooling system to 32°C). Check that fresh AAA alkaline batteries are : settings do •...
...is on . • Check furnace door to respond. If all of this was checked, contact your local heating and cooling contractor. 20 69-1713 Check power switch at heating and/or cooling system to be sure it is closed securely. Check the circuit breaker to be sure it is not tripped.... • Check circuit breaker to be sure it is closed securely. • If you use batteries, check that the heat temperature setting is not tripped. • Check power switch at the heating and/ or cooling system to 32°C). Check that fresh AAA alkaline batteries are : settings do •...
Owner's Manual
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.... Check the furnace door to be sure it is closed securely. temperature. Troubleshooting Tips (Cont) If . . . Check the cool temperature setting to Heat and set below room temperature and "Cool On" shows solidly in Troubleshooting Tips. 69-1713 21 If all of this was checked, contact your local... heating and cooling contractor. "Heat On" is Set System setting to be sure it is on . • Set the system to respond. Cooling • system does not turn on" in the display. Check the power ...
.... Check the furnace door to be sure it is closed securely. temperature. Troubleshooting Tips (Cont) If . . . Check the cool temperature setting to Heat and set below room temperature and "Cool On" shows solidly in Troubleshooting Tips. 69-1713 21 If all of this was checked, contact your local... heating and cooling contractor. "Heat On" is Set System setting to be sure it is on . • Set the system to respond. Cooling • system does not turn on" in the display. Check the power ...
Owner's Manual
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... System setting to five minutes for the cooling the display. flashing in Wait up to Cool and set the not shown in the display, but the cooling system does not turn on, see "Cooling system does not turn on. (heat pumps only). Then . . . "Heat On" is Compressor minimum-off timer is... shown solidly in temperature setting below the room the display. temperature. system to turn on . 22 69-1713 If "Cool On" is active. flashing in Wait up to five minutes for the heating the display system to turn on " in Troubleshooting Tips. Troubleshooting Tips (Cont) If . . .
... System setting to five minutes for the cooling the display. flashing in Wait up to Cool and set the not shown in the display, but the cooling system does not turn on, see "Cooling system does not turn on. (heat pumps only). Then . . . "Heat On" is Compressor minimum-off timer is... shown solidly in temperature setting below the room the display. temperature. system to turn on . 22 69-1713 If "Cool On" is active. flashing in Wait up to five minutes for the heating the display system to turn on " in Troubleshooting Tips. Troubleshooting Tips (Cont) If . . .
