Owner's Manual
Page 1
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. Registered Trademark © 2004 Honeywell International Inc. Read and Save these Instructions Patents Pending ® U.S. 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. Registered Trademark © 2004 Honeywell International Inc. Read and Save these Instructions Patents Pending ® U.S. All Rights Reserved 69-1713
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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.... CAUTION Equipment Damage Hazard. Do not operate cooling system when outdoor temperature is below 50°F (10°C). Cool-Thermostat controls the cooling system. Off-Both the heating and cooling systems are off. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system. M22107 6 69-1713 See Auto Changeover...
.... CAUTION Equipment Damage Hazard. Do not operate cooling system when outdoor temperature is below 50°F (10°C). Cool-Thermostat controls the cooling system. Off-Both the heating and cooling systems are off. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system. M22107 6 69-1713 See Auto Changeover...
Owner's Manual
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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. Use this setting for improved air circulation or for most homes. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. On-The fan runs continuously. 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. Use this setting for improved air circulation or for most homes. Inside Replace Batt Cool Setting Service Needed Cool On Fan System Auto Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON. On-The fan runs continuously. M22108 69-1713 7
Owner's Manual
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... 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 Down button ...changes the temperature setting. 8 69-1713 The second press of the Up or Down button turns on the backlight. Operate Your Thermostat (Cont) Change Temperature Setting Press...
... 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 Down button ...changes the temperature setting. 8 69-1713 The second press of the Up or Down button turns on the backlight. Operate Your Thermostat (Cont) Change Temperature Setting Press...
Owner's Manual
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... a Replace Battery indicator, replace the batteries once per year to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 2. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can...as Replace Battery flashes in the display two months before the batteries run down due to the thermostat. 3. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down completely. 69-1713 13 Review Battery Tips 1. Replace the batteries as...
... a Replace Battery indicator, replace the batteries once per year to prevent the thermostat and heating/cooling system from shutting down if the batteries run down completely. 2. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can...as Replace Battery flashes in the display two months before the batteries run down due to the thermostat. 3. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down completely. 69-1713 13 Review Battery Tips 1. Replace the batteries as...
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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...thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). Auto Changeover Auto Changeover is a feature used on the same day. This three-degree deadband is set to change both air conditioning and heating are adjusting the temperature setting, if "!Cool" or ""Heat" appear in climates where both the cool and heat... temperature settings when the system is set up for Auto Changeover by your heating and air...
...thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). Auto Changeover Auto Changeover is a feature used on the same day. This three-degree deadband is set to change both air conditioning and heating are adjusting the temperature setting, if "!Cool" or ""Heat" appear in climates where both the cool and heat... temperature settings when the system is set up for Auto Changeover by your heating and air...
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 Up or Down button to displaying "Auto" for the System setting. 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. "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. 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. "Select Heat/Cool" stops flashing six seconds after the last button press. Auto Changeover (Cont) 4.