Owner's Manual
Page 1
Read and Save these Instructions ® U.S. Operating Instructions RTH5100B Non-programmable Thermostat OPERATING INSTRUCTIONS The RTH5100B Thermostat provides electronic control of 24 Vac single stage 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. All Rights Reserved • Patents Pending 69-1722
Read and Save these Instructions ® U.S. Operating Instructions RTH5100B Non-programmable Thermostat OPERATING INSTRUCTIONS The RTH5100B Thermostat provides electronic control of 24 Vac single stage 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. All Rights Reserved • Patents Pending 69-1722
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 Accessory/Replacement Parts 15 Troubleshooting Tips 16 Customer Assistance 21 Limited One-Year Warranty 22 69-1722 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 Accessory/Replacement Parts 15 Troubleshooting Tips 16 Customer Assistance 21 Limited One-Year Warranty 22 69-1722 2
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. Get To Know Your Thermostat 3 69-1722 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. Get To Know Your Thermostat 3 69-1722 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 SysteCmoolOn 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 OR COOL M22010 69-1722 4
Get To Know Your Thermostat Thermostat DIGITAL DISPLAY BATTERY HOLDER LATCH PRESS TO RELEASE BATTERY HOLDER. Inside SetCtinogol Fan Auto SysteCmoolOn 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 OR COOL M22010 69-1722 4
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 Batt HeatCool Setting TEMPERATURE SETTING Fan On Auto Heat On Cool On System Heat Cool Off INDICATES THERMOSTAT IS "CALLING" FOR HEAT OR COOL CURRENT FAN SETTING CURRENT SYSTEM SETTING M22011 5 69-1722
Get to Know Your Thermostat (Cont) Display INSIDE TEMPERATURE INDICATES BATTERIES ARE LOW AND MUST BE REPLACED Inside Replace Batt HeatCool Setting TEMPERATURE SETTING Fan On Auto Heat On Cool On System Heat Cool Off INDICATES THERMOSTAT IS "CALLING" FOR HEAT OR COOL CURRENT FAN SETTING CURRENT SYSTEM SETTING M22011 5 69-1722
Owner's Manual
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Air conditioning compressor damage possible. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off or Cool: Heat-Thermostat controls the heating system. CAUTION Equipment Damage Hazard. Service Needed Fan Auto Cool On Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF OR COOL M22012 69-1722 6 Do not operate cooling system when outdoor temperature is below 50 °F (10 °C). Off-Both the heating and cooling systems are off. Cool-Thermostat controls the cooling system.
Air conditioning compressor damage possible. Operate Your Thermostat Set System Setting Press the System button to select Heat, Off or Cool: Heat-Thermostat controls the heating system. CAUTION Equipment Damage Hazard. Service Needed Fan Auto Cool On Cool PRESS THE SYSTEM BUTTON TO SELECT HEAT, OFF OR COOL M22012 69-1722 6 Do not operate cooling system when outdoor temperature is below 50 °F (10 °C). Off-Both the heating and cooling systems are off. Cool-Thermostat controls the cooling system.
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. Service Needed Fan Auto Cool On Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON 7 M22013 69-1722 On-The fan runs continuously. Use this setting for improved air circulation or for most homes.The fan runs only when the heating or cooling system is 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. Service Needed Fan Auto Cool On Cool PRESS THE FAN BUTTON TO SELECT AUTO OR ON 7 M22013 69-1722 On-The fan runs continuously. Use this setting for improved air circulation or for most homes.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 ...
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 ...
Owner's Manual
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REPLACE BATTERY INDICATOR Replace Batt Service Needed Fan System Auto Cool M22015 The thermostat does not lose any settings when the batteries are permanently stored in memory. 9 69-1722 all settings are replaced; When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries. Replace Batteries 1.
REPLACE BATTERY INDICATOR Replace Batt Service Needed Fan System Auto Cool M22015 The thermostat does not lose any settings when the batteries are permanently stored in memory. 9 69-1722 all settings are replaced; When the Replace Battery indicator is flashing, replace batteries promptly with two fresh AAA alkaline batteries. Replace Batteries 1.
Owner's Manual
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Replace Batteries (Cont) 2. Press the battery holder latch to release the battery holder. 3. BATTERY HOLDER LATCH BATTERY HOLDER Service Needed Fan Auto Cool M22016 69-1722 10 Remove the battery holder from the thermostat.
Replace Batteries (Cont) 2. Press the battery holder latch to release the battery holder. 3. BATTERY HOLDER LATCH BATTERY HOLDER Service Needed Fan Auto Cool M22016 69-1722 10 Remove the battery holder from the thermostat.
Owner's Manual
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... than a month to lack of battery power. 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 a year to prevent the thermostat and heating/cooling system from shutting down due to prevent your heating/cooling system from shutting down if...
... than a month to lack of battery power. 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 a year to prevent the thermostat and heating/cooling system from shutting down due to prevent your heating/cooling system from shutting down if...
Owner's Manual
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When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On"a in the display. If there is activated after the compressor turns off timer) that prevents the compressor from restarting too early after a shutdown. 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 fan turn on. ________ a Heat Pumps only. 69-1722 14 Built-in Compressor Protection The RTH5100B Thermostat has built-in compressor protection (minimum-off .
When the minimum-off timer, the thermostat flashes "Cool On" or "Heat On"a in the display. If there is activated after the compressor turns off timer) that prevents the compressor from restarting too early after a shutdown. 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 fan turn on. ________ a Heat Pumps only. 69-1722 14 Built-in Compressor Protection The RTH5100B Thermostat has built-in compressor protection (minimum-off .
Owner's Manual
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MODEL NUMBER xxxxxxxx DATE CODE xxxxxx THERMOSTAT BATTERY HOLDER M22178 Limited One Year Warranty... 21 69-1722 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 M22178 Limited One Year Warranty... 21 69-1722 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.