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Question posted by JANROGHAIG on May 18th, 2013

Power For The Rth5100b

How Is Power Provided For The Rth5100b Thermostat, If Only The Hot Wire From The 24vac Transformer Is Being Used, And Not The Common Wire.

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Related Honeywell RTH5100B Manual Pages

Owner's Manual - Page 1

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 ...

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

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 ...

Owner's Manual - Page 4

for plaster • Level (optional) • Hammer • Pencil • Electrical tape 69-1716 4 use 3/16 in . for drywall; use 7/32 in . Prepare for the installation: • Two AAA alkaline batteries • No. 2 Phillips screwdriver and standard pocket screwdriver • Drill • Drill bit- Check ...

Owner's Manual - Page 5

... G GREEN RC R ORANGE ! 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. 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...

Owner's Manual - Page 6

...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... thermostat containing mercury in the trash. Remove the old thermostat from the old thermostat. 3. Remove Old Thermostat 1. Contact your old thermostat ...

Owner's Manual - Page 7

... 1. Make sure they do not connect them to your old thermostat, do not touch each C and/or C1 wire(s) with electrical tape. 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...

Owner's Manual - Page 8

.../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 Follow Special Instructions (Cont) 4. You may have two to...

Owner's Manual - Page 9

Step 4. Follow Special Instructions (Cont) 5. 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. Wrap the end of the wires that are not connected with electrical tape. Label and...

Owner's Manual - Page 10

... wall opening after the wires are disconnected. 2. Do not allow the wires to the wire labels. Label Old Thermostat Wires 1. Do not connect wires to wrap a wire label around each wire that matches the letter designation. Remove any remaining parts of the wire. 69-1716 10 As you disconnect each wire, use the enclosed wire labels to your new thermostat based on the...

Owner's Manual - Page 11

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

Owner's Manual - Page 17

... each terminal. Compare letter designations on the next page. 17 69-1716 These numbered notes appear on your old and new thermostats. 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 X, B 4 M22055 Do not connect more than one...

Owner's Manual - Page 18

... connected to both RC and R on the new thermostat, remove metal jumper between RC and R on the old thermostat, remove metal jumper between RC and R. M22050 69-1716 18 Leave metal jumper in place if only one of the wire with electrical tape and do not use . 4 Transformer common. Connect the old R to the new RC...

Owner's Manual - Page 20

... 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 ...

Owner's Manual - Page 21

... the wallplate, push the excess wire back into place. 3. WALLPLATE TABS RC R Y NOT USED O/B W G TABS SLOTS ON BACK OF THERMOSTAT M22057 2. Align the four tabs on the wallplate with mounting the thermostat to Wallplate 1. If the wires interfere with the four slots on the power at the heating and/or cooling system or fuse/circuit breaker...

Owner's Manual - Page 22

Use the Installer Setup Menu to match your new thermostat to set up your thermostat. 2. Release the buttons when the display on your heating and/or cooling system. Configure Installer Setup 1. Enter the Installer Setup ... 22 Replace Batt Service Needed Cool On Fan System Auto Cool M22058 3. Follow the steps in this section to your thermostat matches the display below. Step 10.

Owner's Manual - Page 23

... off with central air Cooling conditioning. 10. Gas, oil or electric heating without central air conditioning. (Use this setting if you select your setting, press the Next button to go to select your old thermostat.) M22122 23 69-1716 System The compressor Type outside runs in the table below. 5. Press the Up...

Owner's Manual - Page 25

Step 10. After you do not have a number 3 on the left side of your display, go to the next page. 10. Heating Thermostat controls fan in a call for heat. M22061 25 69-1716 Configure Installer Setup (Cont) 9. If you have a number 3 on the left side of your display, ...

Owner's Manual - Page 27

Congratulations! Configure Installer Setup (Cont) 15. The installation of the thermostat is complete. INSTALLER SETUP NUMBER SETTING DONE BUTTON Done Next UP BUTTON DOWN BUTTON Installer Setup Number 14 Installer Setup Name Temperature ...Press the Up or Down button to select your setting for information on how to exit the Installer Setup and save your new thermostat. Step 10.

Owner's Manual - Page 28

Before calling, please have the thermostat model number and date code available. MODEL NUMBER xxxxxxxx DATE CODE xxxxxx THERMOSTAT BATTERY HOLDER 69-1716 M22178 28 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.