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Honeywell RTH5100B Support Question

Honeywell RTH5100B Support Question

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Question posted by drwho304 on October 20th, 2014

I Have Constant Power To One Of My Taco Zone Valves, Is This A Wiring Issue?

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Related Honeywell RTH5100B Manual Pages

Owner's Manual - Page 1

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 ...
Owner's Manual - Page 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 - Page 3

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 ...
Owner's Manual - Page 5

... 3. Do not connect the wires to the new thermostat based on wire color because damage can occur to your old thermostat. DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR. 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. OLD THERMOSTAT YELLOW WHITE Y W RED...
Owner's Manual - Page 6

... cover from the wall or wallplate. Remove the old thermostat from the old thermostat. 3. Turn off power at the heating and/or cooling system or fuse/circuit breaker panel. 2. 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...
Owner's Manual - Page 7

... them to your new thermostat. 2. Step 4. Follow Special Instructions 1. 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 Disconnect the C and/or C1 wire(s). If you have C and/or C1 wire(s) connected to your old thermostat, do not touch...
Owner's Manual - Page 8

....honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to your old thermostat (not counting the C or C1 wires), do not continue the installation. OLD THERMOSTAT Y1 G W2 Y2 W1 R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE SIX WIRES CONNECTED M22038 69-1716 8 Step 4. Most installations have purchased the wrong...
Owner's Manual - Page 9

Wrap the end of the wires that are not connected with electrical tape. OLD THERMOSTAT Y G RC W R LETTER DESIGNATION SCREW TERMINAL WIRE WIRE HOLE WIRES NOT CONNECTED - If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. 6. DO NOT CONNECT TO NEW THERMOSTAT M22040 Step 5. Step 4. Follow Special Instructions (Cont) 5. Label and...
Owner's Manual - Page 10

... 10 Do not allow the wires to wrap a wire label around each wire, use the enclosed wire labels to fall into the wall opening after the wires are disconnected. 2. Label Old Thermostat Wires 1. As you disconnect each wire that matches the letter designation. Do not connect wires to the wire labels. OLD THERMOSTAT W Y RC G Y G RC W R R WIRE LABEL LETTER DESIGNATION SCREW TERMINAL...
Owner's Manual - Page 11

THERMOSTAT WALLPLATE WIRE HOLE M22042 11 69-1716 Step 6. Separate the wallplate from the thermostat as shown. Mount New Wallplate to Wall 1.
Owner's Manual - Page 12

Mount New Wallplate to Wall (Cont) 2. Pass the labeled wires through the wire hole on the wallplate. WALL OPENING WALLPLATE WIRE HOLE RC R Y NOT USED (O/B) W G LABELED WIRES 69-1716 12 M22043 Step 6.
Owner's Manual - Page 15

If wires are to both Rc and R, loosen the Rc and R screw terminals and remove the metal jumper. 3. If only one of the terminals, Rc or R, ... connected, leave metal jumper in place. METAL JUMPER TERMINAL BLOCK SCREW TERMINALS LETTER DESIGNATIONS RC R Y NOT USED O/B W G WALLPLATE RC R Y W/O/B G M22180 15 69-1716 Connect Wires to the letter designations on the wallplate. 2. Match the labeled...
Owner's Manual - Page 16

If any of the terminal block that match the letter designations. LABELED WIRES TERMINAL BLOCK SCREW TERMINALS LETTER DESIGNATIONS RC R Y NOT USED O/B W G GW Y R RC WALLPLATE RC R Y W/O/B G WIRE HOLE INSERT WIRE IN HOLE M22176 69-1716 16 Step 7. Tighten the screw terminals. 5. Insert the labeled wires into the holes on the right side of the labeled...
Owner's Manual - Page 17

...-1716 Be sure to New Wallplate (Cont) 6. These numbered notes appear on your old and new thermostats. Connect Wires to read the notes referenced in the numbered triangles above. New Possible letter designations Thermostat on the labeled wires 1 RC 2 RC or R 2 1 R or RH, 4, V R Y or Y1, M Y NOT USED O/B W 3 W or W1, H, O, B G or F G Do Not Connect C or...
Owner's Manual - Page 18

... bare end of the terminals, RC or R, will be connected on the new thermostat. 2 If wires were connected to both O and B when wiring to the new R. 3 Do not connect both R and RH terminals on the new thermostat. Connect O to both RC and R on the new thermostat, remove metal jumper between RC and R on the old...
Owner's Manual - Page 19

Connect Wires to New Wallplate (Cont) 7. WALLPLATE RC R Y NOT USED (O/B) W G WIRE WALL OPENING SHADED AREA M22054 19 69-1716 Keep wires in the shaded area. Step 7. Push excess wire back into the wall opening.
Owner's Manual - Page 20

Step 8. Install two fresh AAA alkaline batteries on the back of the thermostat as marked on the wallplate, the thermostat does not require removal from the wallplate to the enclosed Operating Instructions (69-1722) for more information on the removable battery holder. 20 BACK OF THERMOSTAT BATTERY HOLDER BATTERIES M22056 69-1716 After the...
Owner's Manual - Page 21

... the four tabs on the wallplate with mounting the thermostat to Wallplate 1. Turn on the back of the thermostat. Push the thermostat straight onto the wallplate until it snaps into the wall opening. 21 69-1716 If the wires interfere with the four slots on the power at the heating and/or cooling system or...
Owner's Manual - Page 22

Release the buttons when the display on your thermostat. 2. Replace Batt Service Needed Done Next 69-1716 M22121 22 Follow the steps in this section to your heating and/or ...screen changes. Replace Batt Service Needed Cool On Fan System Auto Cool M22058 3. Use the Installer Setup Menu to match your new thermostat to set up your thermostat matches the display below. Step 10.
Owner's Manual - Page 24

...Next button to select your setting for Installer Setup Number 2 in table below. 8. If you connected a wire labeled O to O/B W terminal. Use this setting if you have a number 2 on the left side...Replace Batt Service Needed Done Next UP BUTTON DOWN BUTTON NEXT BUTTON 2 69-1716 Heat Pump Changeover Valve Use this setting if you do not have a number 2 on the left side of your display...

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