Owner's Manual
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All Rights Reserved • Patents Pending 69-1716 Read and Save these Instructions ® U.S. Registered Trademark © 2004 Honeywell International Inc. RTH5100B Non-programmable Thermostat INSTALLATION INSTRUCTIONS The RTH5100B Thermostat provides electronic control of 24 Vac singlestage heating and cooling systems or 750 mV heating systems. START HERE 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 • Patents Pending 69-1716 Read and Save these Instructions ® U.S. Registered Trademark © 2004 Honeywell International Inc. RTH5100B Non-programmable Thermostat INSTALLATION INSTRUCTIONS The RTH5100B Thermostat provides electronic control of 24 Vac singlestage heating and cooling systems or 750 mV heating systems. START HERE For assistance with your Honeywell product, please visit www.honeywell.com/yourhome or call Honeywell Customer Care toll free at 1-800-468-1502.
Owner's Manual
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Contents Prepare for Installation 3 Follow Important Instructions 5 Remove Old Thermostat 6 Follow Special Instructions 7 Label Old Thermostat Wires 10 Mount New Wallplate to Wall 11 Connect Wires to New Wallplate 15 Install Batteries 20 Attach New Thermostat to Wallplate 21 Configure Installer Setup 22 Customer Assistance 28 Limited One-Year Warranty 29 69-1716 2
Contents Prepare for Installation 3 Follow Important Instructions 5 Remove Old Thermostat 6 Follow Special Instructions 7 Label Old Thermostat Wires 10 Mount New Wallplate to Wall 11 Connect Wires to New Wallplate 15 Install Batteries 20 Attach New Thermostat to Wallplate 21 Configure Installer Setup 22 Customer Assistance 28 Limited One-Year Warranty 29 69-1716 2
Owner's Manual
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Prepare for Installation 1. Check that the following items are included: Inside SetCtinogol Fan Auto SysteCmoolOn Cool PRESS WALLPLATE THERMOSTAT MOUNTING SCREWS (2) AND WALL ANCHORS (2) OPERATING INSTRUCTIONS INSTALLATION INSTRUCTIONS WIRE LABELS OPERATING INSTRUCTIONS CAUTION CARD INSTA ATION CAUTION les X2 Y www M22033 If any of the items shown above are missing, call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the store. 3 69-1716 Step 1.
Prepare for Installation 1. Check that the following items are included: Inside SetCtinogol Fan Auto SysteCmoolOn Cool PRESS WALLPLATE THERMOSTAT MOUNTING SCREWS (2) AND WALL ANCHORS (2) OPERATING INSTRUCTIONS INSTALLATION INSTRUCTIONS WIRE LABELS OPERATING INSTRUCTIONS CAUTION CARD INSTA ATION CAUTION les X2 Y www M22033 If any of the items shown above are missing, call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the store. 3 69-1716 Step 1.
Owner's Manual
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M22034 Step 3. Do not connect the wires to the new thermostat based on wire color because damage can occur to your old thermostat. Remove Old Thermostat 5 69-1716 OLD THERMOSTAT YELLOW WHITE Y W RED G GREEN RC R ORANGE ! Step 2. DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR. Follow Important Instructions 1. These Installation Instructions explain later how to use the enclosed wire labels to correctly mark the wires connected to the heating and/or cooling system.
M22034 Step 3. Do not connect the wires to the new thermostat based on wire color because damage can occur to your old thermostat. Remove Old Thermostat 5 69-1716 OLD THERMOSTAT YELLOW WHITE Y W RED G GREEN RC R ORANGE ! Step 2. DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR. Follow Important Instructions 1. These Installation Instructions explain later how to use the enclosed wire labels to correctly mark the wires connected to the heating and/or cooling system.
Owner's Manual
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... cover from the wall or wallplate. Contact your old thermostat in a sealed tube. 69-1716 6 Y G C OLD THERMOSTAT WALLPLATE W THERMOSTAT R COVER .2.18 .9 .7 .5 L O .25 N G E R .4 .3 M22036 MERCURY NOTICE If you are replacing a thermostat that contains mercury in a sealed tube, do not place your local waste management authority for instructions regarding recycling and the proper disposal of an old...
... cover from the wall or wallplate. Contact your old thermostat in a sealed tube. 69-1716 6 Y G C OLD THERMOSTAT WALLPLATE W THERMOSTAT R COVER .2.18 .9 .7 .5 L O .25 N G E R .4 .3 M22036 MERCURY NOTICE If you are replacing a thermostat that contains mercury in a sealed tube, do not place your local waste management authority for instructions regarding recycling and the proper disposal of an old...
Owner's Manual
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Follow Special Instructions 1. Disconnect the C and/or C1 wire(s). Make sure they do not connect them to your new thermostat. 2. Step 4. Wrap the bare end of each other or any other wires. 3. OLD THERMOSTAT Y G C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE DO NOT CONNECT TO NEW THERMOSTAT M22037 7 69-1716 If you have C and/or C1 wire(s) connected to your old thermostat, do not touch each C and/or C1 wire(s) with electrical tape.
Follow Special Instructions 1. Disconnect the C and/or C1 wire(s). Make sure they do not connect them to your new thermostat. 2. Step 4. Wrap the bare end of each other or any other wires. 3. OLD THERMOSTAT Y G C W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE DO NOT CONNECT TO NEW THERMOSTAT M22037 7 69-1716 If you have C and/or C1 wire(s) connected to your old thermostat, do not touch each C and/or C1 wire(s) with electrical tape.
Owner's Manual
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Step 4. Follow Special Instructions (Cont) 4. OLD THERMOSTAT Y1 G W2 Y2 W1 R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE SIX WIRES CONNECTED M22038 69-1716 8 You may have two to five wires connected to the store. Visit www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the old thermostat. Most installations have purchased the wrong thermostat. If six or more wires are connected to your old thermostat (not counting the C or C1 wires), do not continue the installation.
Step 4. Follow Special Instructions (Cont) 4. OLD THERMOSTAT Y1 G W2 Y2 W1 R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE SIX WIRES CONNECTED M22038 69-1716 8 You may have two to five wires connected to the store. Visit www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the old thermostat. Most installations have purchased the wrong thermostat. If six or more wires are connected to your old thermostat (not counting the C or C1 wires), do not continue the installation.
Owner's Manual
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OLD THERMOSTAT Y G RC W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE WIRES NOT CONNECTED - DO NOT CONNECT TO NEW THERMOSTAT M22040 Step 5. Wrap the end of the wires that are not connected with electrical tape. Label and Disconnect Wires from Old Thermostat 9 69-1716 Follow Special Instructions (Cont) 5. If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. 6. Step 4.
OLD THERMOSTAT Y G RC W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE WIRES NOT CONNECTED - DO NOT CONNECT TO NEW THERMOSTAT M22040 Step 5. Wrap the end of the wires that are not connected with electrical tape. Label and Disconnect Wires from Old Thermostat 9 69-1716 Follow Special Instructions (Cont) 5. If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. 6. Step 4.
Owner's Manual
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Install Batteries 1. Install two fresh AAA alkaline batteries on the back of the thermostat as marked on the removable battery holder. 20 BACK OF THERMOSTAT BATTERY HOLDER BATTERIES M22056 69-1716 After the thermostat is mounted on the wallplate, the thermostat does not require removal from the wallplate to the enclosed Operating Instructions (69-1722) for more information on the battery holder. Refer to replace the batteries. Step 8.
Install Batteries 1. Install two fresh AAA alkaline batteries on the back of the thermostat as marked on the removable battery holder. 20 BACK OF THERMOSTAT BATTERY HOLDER BATTERIES M22056 69-1716 After the thermostat is mounted on the wallplate, the thermostat does not require removal from the wallplate to the enclosed Operating Instructions (69-1722) for more information on the battery holder. Refer to replace the batteries. Step 8.
Owner's Manual
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Refer to the enclosed Operating Instructions (69-1722) for Installer Setup Number 14 in table below. 16. INSTALLER SETUP NUMBER SETTING DONE BUTTON Done Next UP BUTTON DOWN BUTTON Installer Setup ... settings. 17. Press the Up or Down button to select your setting for information on how to exit the Installer Setup and save your new thermostat. The installation of the thermostat is complete. Step 10. Configure Installer Setup (Cont) 15. Congratulations!
Refer to the enclosed Operating Instructions (69-1722) for Installer Setup Number 14 in table below. 16. INSTALLER SETUP NUMBER SETTING DONE BUTTON Done Next UP BUTTON DOWN BUTTON Installer Setup ... settings. 17. Press the Up or Down button to select your setting for information on how to exit the Installer Setup and save your new thermostat. The installation of the thermostat is complete. Step 10. Configure Installer Setup (Cont) 15. Congratulations!