Owner's Manual
Page 1
Read and Save these Instructions Patents Pending ® U.S. Registered Trademark © 2004 Honeywell International Inc. 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
Read and Save these Instructions Patents Pending ® U.S. Registered Trademark © 2004 Honeywell International Inc. 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 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
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
Page 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
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
Page 6
... heating and cooling systems are off. CAUTION Equipment Damage Hazard. Auto-Thermostat automatically changes between heating and cooling operation, depending on indoor temperature. Do not operate cooling system when outdoor temperature is below 50°F (10°C). 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...
... heating and cooling systems are off. CAUTION Equipment Damage Hazard. Auto-Thermostat automatically changes between heating and cooling operation, depending on indoor temperature. Do not operate cooling system when outdoor temperature is below 50°F (10°C). 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...
Owner's Manual
Page 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. 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.
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. 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.
Owner's Manual
Page 8
... 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 Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired...
... 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 Operate Your Thermostat (Cont) Change Temperature Setting Press the Up or Down button to select the desired...
Owner's Manual
Page 9
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. Replace Batteries AA alkaline batteries. 1.
Owner's Manual
Page 10
BATTERY HOLDER LATCH BATTERY HOLDER Inside Replace Battery Service Needed Fan System Auto Cool M22111 10 69-1713 Remove the battery holder from the thermostat. Press the battery holder latch to release the battery holder. 3. Replace Batteries (Cont) 2.
BATTERY HOLDER LATCH BATTERY HOLDER Inside Replace Battery Service Needed Fan System Auto Cool M22111 10 69-1713 Remove the battery holder from the thermostat. Press the battery holder latch to release the battery holder. 3. Replace Batteries (Cont) 2.
Owner's Manual
Page 13
... to a lack of battery power. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can leak, causing damage 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 display. Always use fresh AAA...
... to a lack of battery power. NOTE: Replacing the batteries once a year also helps prevent battery leakage that can leak, causing damage 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 display. Always use fresh AAA...
Owner's Manual
Page 14
If there is activated after the compressor turns off timer) that prevents the compressor from restarting too early after a shutdown. When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On" a in the display. 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 Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off .
If there is activated after the compressor turns off timer) that prevents the compressor from restarting too early after a shutdown. When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On" a in the display. 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 Built-in Compressor Protection The TH5110D Thermostat has built-in compressor protection (minimum-off .
Owner's Manual
Page 15
... in the display, the temperature setting of how to change both the cool and heat temperature settings when the system is set up for Auto Changeover by your heating and air conditioning dealer. The thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). This three-degree deadband is set to Auto...
... in the display, the temperature setting of how to change both the cool and heat temperature settings when the system is set up for Auto Changeover by your heating and air conditioning dealer. The thermostat automatically keeps the cool and heat temperature settings three degrees apart (called deadband). This three-degree deadband is set to Auto...
Owner's Manual
Page 16
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 Auto Changeover (Cont) 1. 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. 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 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
Page 18
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 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. "Select Heat/Cool" stops flashing six seconds after the last button press. Auto Changeover (Cont) 4.
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 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. "Select Heat/Cool" stops flashing six seconds after the last button press. Auto Changeover (Cont) 4.
Owner's Manual
Page 23
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. 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.