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. 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. All Rights Reserved 69-1713
Owner's Manual
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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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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 Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. CAUTION Equipment Damage Hazard. Air conditioning compressor damage possible. M22107 6 69-1713 Off-Both the heating and cooling systems are off. Cool-Thermostat controls the cooling system. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system.
... System Auto Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF, COOL OR AUTO. CAUTION Equipment Damage Hazard. Air conditioning compressor damage possible. M22107 6 69-1713 Off-Both the heating and cooling systems are off. Cool-Thermostat controls the cooling system. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off, Cool or Auto: Heat-Thermostat controls the heating system.
Owner's Manual
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On-The fan runs continuously. M22108 69-1713 7 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. 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. M22108 69-1713 7 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. 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.
Owner's Manual
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Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired temperature setting. The second press of the Up or Down button turns on the backlight. 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 Down...
Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired temperature setting. The second press of the Up or Down button turns on the backlight. 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 Down...
Owner's Manual
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Replace Batteries AA alkaline batteries. 1. When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries. 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 all settings are replaced;
Replace Batteries AA alkaline batteries. 1. When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries. 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 all settings are replaced;
Owner's Manual
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Replace Batteries (Cont) 2. 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. Remove the battery holder from the thermostat.
Replace Batteries (Cont) 2. 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. Remove the battery holder from the thermostat.
Owner's Manual
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Replace the batteries as soon as long and can damage the thermostat. 4. 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 prevent your heating/cooling system from shutting down if the batteries run down completely. 69-1713 13 As a precaution, replace... fresh AAA alkaline batteries. Review Battery Tips 1. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can leak, causing damage to the thermostat. 3.
Replace the batteries as soon as long and can damage the thermostat. 4. 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 prevent your heating/cooling system from shutting down if the batteries run down completely. 69-1713 13 As a precaution, replace... fresh AAA alkaline batteries. Review Battery Tips 1. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can leak, causing damage to the thermostat. 3.
Owner's Manual
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If there is activated after a shutdown. When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On" a in the display. Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off. The minimum-off timer is a call during 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. 14 69-1713
If there is activated after a shutdown. When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On" a in the display. Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after the compressor turns off. The minimum-off timer is a call during 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. 14 69-1713
Owner's Manual
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... also being adjusted. The following pages in this Auto Changeover section provide an example of the opposite mode is not adjustable. 69-1713 15 The thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). Auto Changeover Auto Changeover is set up for Auto Changeover by your...
... also being adjusted. The following pages in this Auto Changeover section provide an example of the opposite mode is not adjustable. 69-1713 15 The thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). Auto Changeover Auto Changeover is set up for Auto Changeover by your...
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 Press the System button to change the System setting to Auto. Auto Changeover (Cont) 1. Replace Batt Service Needed Cool On Fan System Auto Cool PRESS THE SYSTEM BUTTON TO CHANGE 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 Press the System button to change the System setting to Auto. Auto Changeover (Cont) 1. Replace Batt Service Needed Cool On Fan System Auto Cool PRESS THE SYSTEM BUTTON TO CHANGE SYSTEM SETTING TO AUTO.
Owner's Manual
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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. Press the Up or Down button to displaying "Auto" for the System setting. Auto Changeover (Cont) 4.
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. Press the Up or Down button to displaying "Auto" for the System setting. Auto Changeover (Cont) 4.
Owner's Manual
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Customer Assistance For assistance with your Honeywell product, please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502. MODEL NUMBER xxxxxxxx DATE CODE xxxxxx THERMOSTAT BATTERY HOLDER 69-1713 M22047 23 Before calling, please have the thermostat model number and date code available.
Customer Assistance For assistance with your Honeywell product, please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502. MODEL NUMBER xxxxxxxx DATE CODE xxxxxx THERMOSTAT BATTERY HOLDER 69-1713 M22047 23 Before calling, please have the thermostat model number and date code available.