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RTH7500D Programmable Thermostat
OWNERS GUIDE The RTH7500D Thermostat provides electronic control of 24 Vac 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.
Read and Save these Instructions
Patents Pending U.S. Registered Trademark 2004 Honeywell International Inc. All Rights Reserved

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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.. 23 Attach New Thermostat to Wallplate.. 24 Configure Installer Setup.. 26 Customer Assistance.. 62 Limited One-Year Warranty... 63
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Step 1. Prepare for Installation
1. Check that the following items are included:
WALLPLATE THERMOSTAT MOUNTING SCREWS (2) AND WALL ANCHORS (2) OWNER'S GUIDE WIRE LABELS CAUTION CARD

OWNER'S GUIDE

CAUTION
TURN OFF POWER to system at the furnace, or at the fuse/circuit breaker panel before you begin. Match the letter of your old thermostat wire with the terminal of the corresponding letter on your new thermostat or base.

fusibles-interruptor t

B G R H

Y2 H RC W

C L RH W1 X2

E O T W2

F P U W3 Y1

V/VR V/VR

Read and save these instructions

ell.com/yourhome

M22278
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.

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Step 1. Prepare for Installation (Cont)
2. Check that you have everything required for the installation: Two AA alkaline batteries No. 2 Phillips screwdriver and standard pocket screwdriver Drill Drill bituse 3/16 in. for drywall; use 7/32 in. for plaster Level (optional) Hammer Pencil Electrical tape
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Step 2. Follow Important Instructions
1. Do not connect the wires to the new thermostat based on wire color because damage can occur to the heating and/or cooling system. These Installation Instructions explain later how to use the enclosed wire labels to correctly mark the wires connected to your old thermostat.

OLD THERMOSTAT

YELLOW WHITE
DO NOT WIRE NEW THERMOSTAT BASED ON WIRE COLOR.

ORANGE

M22034
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Step 3. Remove Old Thermostat
1. 2. 3. Turn off power at the heating and/or cooling system or fuse/circuit breaker panel. Remove the cover from the old thermostat. Remove the old thermostat from the wall or wallplate. Do not remove the wires.

WALLPLATE

THERMOSTAT
.18.2.9.7.5 O.25 N G E R.4.3
If you are replacing a thermostat that contains mercury in a sealed tube, do not place your old thermostat in the trash. Contact your local waste management authority for instructions regarding recycling and the proper disposal of an old thermostat containing mercury in a sealed tube.

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MERCURY NOTICE

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Step 4. Follow Special Instructions
1. 2. 3. If you have two C and/or C1 wires connected to your old thermostat, do not connect them to your new thermostat. Disconnect the C and/or C1 wires. Make sure they do not touch each other or any other wires. Wrap the bare end of each C and/or C1 wire with electrical tape.

Y G C R C

LETTER DESIGNATION SCREW TERMINAL WIRE
WIRE HOLE DO NOT CONNECT TO NEW THERMOSTAT

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Step 4. Follow Special Instructions (Cont)
4. If you have only one C and/or C1 wire connected to your old thermostat, connect this wire to C on the new thermostat. Visit www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502 before returning the thermostat to the store.
WIRE HOLE CONNECT TO THE "C" ON THE NEW THERMOSTAT

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5. 6. If you find any wires not connected to your old thermostat, do not connect them to your new thermostat. Wrap the end of the wires that are not connected with electrical tape.
LETTER DESIGNATION SCREW TERMINAL

G R RC

WIRE WIRE HOLE WIRES NOT CONNECTED DO NOT CONNECT TO NEW THERMOSTAT

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Step 5. Label Old Thermostat Wires
1. As you disconnect each wire, use the enclosed wire labels to wrap a wire label around each wire that matches the letter designation. Do not allow the wires to fall into the wall opening after the wires are disconnected. Remove any remaining part of the old thermostat from the wall.
WIRE LABEL LETTER DESIGNATION SCREW TERMINAL

WIRE HOLE

M22039
When connecting the wires to the new thermostat, refer to the wire labels. Do not connect wires to your new thermostat based on the color of the wire.

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Step 6. Mount New Wallplate to Wall
1. Separate the wallplate from the thermostat as shown.

WALLPLATE WIRE HOLE

M22267
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Step 6. Mount New Wallplate to Wall (Cont)
2. Pass the labeled wires through the wire hole on the wallplate.

WALL OPENING

LABELED WIRES

M22279

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3. Position the wallplate on the wall with the arrow pointing up. Level the wallplate (for appearance only) and mark the two mounting holes with a pencil.
PLACE LEVEL ON SUPPORT TABS LEVEL MARK MOUNTING HOLES (2)

M22292

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4. 5. Move the wallplate aside and drill holes at the locations marked on the wall. Drill 3/16 in. holes for drywall or 7/32 in. holes for plaster. Tap the wall anchors into the drilled holes until even with the wall surface.
DRILLED HOLES (2) WALL ANCHORS (2)

M22293

MOUNTING SCREWS (2)
Position the wallplate over the wall anchors. Insert the mounting screws into the wall anchors. Check leveling, if desired, and tighten the mounting screws.
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Step 7. Connect Wires to New Wallplate
1. 2. Match the labeled wires to the letter designations on the wallplate. Select the correct letter designations to follow for your system. If you have a standard heating and/or cooling system, use the CONVENTIONAL letter designations. If you have a heat pump system, use the HEAT PUMP letter designations to wire the new thermostat.

M22294

See table on page 29 to help you determine if you have a CONVENTIONAL or HEAT PUMP system.

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Step 7. Connect Wires to New Wallplate (Cont)
3. 4. If wires are to be connected to both Rc and R, loosen the Rc and R screw terminals and remove the metal jumper wire. If only one of the terminals, Rc or R, is to be connected, leave the metal jumper wire in place.
TERMINAL BLOCK SCREW TERMINALS LETTER DESIGNATIONS

METAL JUMPER WIRE

M22295
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5. Loosen the screw terminals. Insert the labeled wires into the holes on the side of the terminal block that match the letter designations. Tighten the screw terminals. If any of the labeled wires do not match the letter designations, see next page for wire connections.
LABELED WIRES TERMINAL BLOCK SCREW TERMINALS CONVENTIONAL LETTER DESIGNATIONS

INSERT WIRE IN HOLE

M22325
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Step 7. Connect Wires to New Wallplate (Cont) 7. Compare letter designations on your old and new thermostats. Use the information below if you are wiring a CONVENTIONAL System. Use the information on page 20 if you are wiring a Heat Pump system.
CONVENTIONAL letter designations on the new thermostat
Possible letter designations on the labeled wires

RC or R

R or RH, 4, V

W or W1, H

Y or Y1, M

G or F

C or C1, X, B

C Y2 W2

M22208
Do not connect more than one wire to each terminal. Be sure to read the notes referenced in the numbered triangles above. These numbered notes appear on the next page.

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NOTES FOR CONVENTIONAL HEATING AND COOLING SYSTEMS 1 If wires will be connected to both RC and R on the new thermostat, remove metal jumper wire between RC and R. Leave metal jumper wire in place if only one of the terminals, RC or R, will be connected on the new thermostat. 2 If wires were connected to both R and RH terminals on the old thermostat, remove metal jumper wire between RC and R on the new thermostat. Connect the old R to the new RC and the old RH to the new R. 3 If two C and/or C1 wires were connected to the old thermostat, do not connect them to the new thermostat. Wrap the bare end of each wire separately with electrical tape and do not use. 4 If one C and/or C1 wire was connected to the old thermostat, the wire should be connected to the "C" letter designation on the new thermostat.

M22246

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8. Compare letter designations on your old and new thermostats. Use the information below if you are wiring a HEAT PUMP system.
Possible letter designations on the labeled wires HEAT PUMP letter designations on the new thermostat

VR or V or R

H or B, O

Y1 or M or Y

Y G C L E AUX

M22210

F or G

X or B, C

F or L

X2 or X, E

AUX, W1, W or W2
Be sure to read the note referenced in the numbered triangles above. These numbered notes appear on the next page.

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NOTES FOR HEAT PUMP SYSTEMS 1 Leave metal jumper wire between RC and R in place. 2 If the old thermostat had separate wires on both the V and VR, some system modification is required. Call your local heating and cooling contractor for assistance. 3 If the old thermostat had wires on both O and B, be sure to attach the B wire to the C letter designation on the new thermostat. If another wire is already matched to the C, contact Honeywell. 4 If the old thermostat had wires on W1, Y1 and W2, some system modification is required. Call your local heating and cooling contractor for assistance.

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Step 7. Connect Wires to New Wallplate (Cont) 9. Push excess wire back into the wall opening. Keep wires in the shaded area.

WIRE WALLPLATE

WALL OPENING SHADED AREA

M22297

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Step 8. Install Batteries
1. Install two fresh AA alkaline batteries on the back of the thermostat as marked on the thermostat.
BATTERIES (2) BATTERY HOLDER

BACK OF THERMOSTAT

M22259
Remove tab labeled Remove during installation in the lower right corner of the thermostat back.

REMOVE TAB

REMOVE DURING INSTALLATION

M22298

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Step 9. Attach New Thermostat to Wallplate
1. Align the screw blocks with the pins on the back of the thermostat.
WALLPLATE TERMINAL SCREW BLOCK
PINS ON BACK OF THERMOSTAT

M22299

Push the thermostat straight onto the wallplate until it snaps into place. Turn on the power at the heating and/or cooling system or fuse/circuit breaker panel. If the wires interfere with mounting the thermostat to the wallplate, push the excess wire back into the wall opening.
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Step 10. Set the Calendar
This thermostat is designed to automatically keep current time and day in memory for up to ten years, under normal use, once the calendar is set. When the thermostat is first powered, the display is ready to set the calendar. 1. Use Up or Down arrow button to set the Month.

YEAR DAY UP AND DOWN BUTTONS CHANGES MONTH, DAY AND YEAR
FanUseEdit Schedule NextHoldStep
DONE BUTTON ADVANCES TO TIME SETTING SCREEN NEXT BUTTON ADVANCE TO NEXT SETTING

M22302

GO BACK BUTTON GOES BACK TO LAST SETTING

2. 3. 4. 5. 6. 7.

Press the Next button to advance to the Date. Use the Up or Down arrow button to set the Date. Press the Next button to advance to the Year. Use the Up or Down arrow button to set the Year. Press the Done button to advance to the Time. Use the Up or Down arrow button to set the Time.
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Step 10. Set the Calendar (Cont)
UP AND DOWN BUTTONS CHANGES TIME

More Done

DONE BUTTON ADVANCES TO HOME SCREEN

M22303

Press the Done button.
The calendar can be set anytime. See Step 11, Configure Installer Setup, for instructions.

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Step 11. Configure Installer Setup
1. Use the Installer Setup Menu to match your new thermostat to your heating and/or cooling system. Follow the steps in this section to set up your thermostat. Press and release the System button.

Set To

System Auto Fan Auto Heat Off Cool System & Fan Schedule Clock & More

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Step 11. Configure Installer Setup (Cont)
3. Press and hold the center button for approximately five seconds, until the screen changes.
System Auto Fan Auto Em Heat Off Cool FanUseEdit System & Fan

CancelDone

M22305
Release the center button when the display on your thermostat matches the display below.
ResetGo Back NextHoldStep

M22326

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11. Configure Installer Setup (Cont)
5. 6. 7. Press the Up or Down arrows to select your setting for Installer Setup Number 0120 below. After you select your setting, press the Next button to go to the next Installer Setup Number. Follow steps 5 and 6 to set Installer Setup Numbers 0130, 0140 and 0150 to complete setting the calendar.
FACTORY SETTING CHANGE THE FACTORY SETTING

INSTALLER SETUP NUMBER

Period Wake Leave

Go Back

GOES BACK TO LAST INSTALLER SETUP
ADVANCE TO NEXT INSTALLER SETUP
PRESS TO EXIT INSTALLER SETUP
Installer Setup Number 0140 0150
Installer Setup Name Date (Year Upper) Date (Year Lower) Date (Month) Date (Day)
(Select Your Setting) Settings Select first two digits of current calendar year (20 for year 2005, etc). Select last two digits of current calendar year (05 for year 2005, etc). Select number that represents current calendar month. Select number that represents current calendar date.

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8. 9. Press the Up or Down arrows to select your setting for Installer Setup Number 0170. After you select your setting, press the Next button to go to the next Installer Setup Number.
SETTING INSTALLER SETUP NUMBER GOES BACK TO LAST INSTALLER SETUP

Set To %

UP ARROW DOWN ARROW PRESS TO EXIT INSTALLER SETUP
Installer Installer Setup Setup Number Name
0170 System Type Selection
(Select Your Setting) Settings
1 - Heating and Cooling (Conventional) -- Gas, oil or electric heating with central air conditioning. 2 - Single-stage Heat Pump with no back-up or auxiliary heat -- the compressor runs in both heating and cooling. 3 - Heat Only with no fan (Conventional) -- Gas, oil or electric heating without central air conditioning. No wire on the G terminal on new thermostat. 4 - Heat Only with fan (Conventional) -- Gas, oil or electric heating without central air conditioning. Typically wires are R, W and G on new thermostat. 5 - Hot Water Heat Only (Conventional) -- Gas or Oil hot water heat with three wires connected to new thermostat or for normally closed hot water values with wires connected to R and Y on new thermostat. 6 - Cool Only (Conventional) -- Central air conditioning only. 7 - Multistage Heat Pumps -- heat pump with auxiliary or back-up heat. 8 - Multistage Conventional Heating and Cooling -2 stages of Heat (wires on W and W2) and 2 stages of Cool (wires on Y and Y2). 9 - Multistage Conventional Heating and Cooling -2 stages of heat (wires on W and W2) and 1 stage of Cool (wire on Y). 10 - Multistage Conventional Heating and Cooling -1 stage of heat (wire on W) and 2 stages of Cool (wires on Y and Y2).

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10. 11. 12. If you do not have a number 0180 on the left side of your display, go to the next page. If you have a number 0180 on the left side of your display, press the Up or Down arrow to select your setting for Installer Setup Number 0180. After you select your setting, press the Next button to go to the next Installer Setup Number.
SETTING UP ARROW DOWN ARROW
Installer Setup Number 0180

Installer Setup Name

Fan Control 0 - Gas or Oil Heat -- Heating system controls fan in a call for heat. in Heating 1 - Electric Heat -- Thermostat controls fan in a call for heat.

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13. 14. 15. If you do not have a number 0190 on the left side of your display, go to the next page. If you have a number 0190 on the left side of your display, press the Up or Down arrow to select your setting for Installer Setup Number 0190. After you select your setting, press the Next button to go to the next Installer Setup Number.
Installer Setup Number 0190
Heat Pump 0 - Changeover Valve in Cooling -Use this setting if you connected a Changeover wire labeled O to the O/B terminal. Valve 1 - Changeover Valve in Heating -Use this setting if you connected a wire labeled B to the O/B terminal.

M22310

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16. 17. 18. If you do not have a number 0240 on the left side of your display, go to the next page. If you have a number 0240 on the left side of your display, press the Up or Down arrow to select your setting for Installer Setup Number 0240. After you select your setting, press the Next button to go to the next Installer Setup Number.
Installer Setup Number 0240
Installer Setup Name Heating Cycle Rate
(Select Your Setting) Settings 5 - Gas or Oil Furnace (less than 90% efficient). 9 - Electric Furnace. 3 - Gas or Oil Hot Water, Gas 90%+ High-Efficiency Furnace. 1 - Gas or Oil Steam, Gas or Oil Gravity.

M22329

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19. 20. Press the Up or Down arrow to select your setting for Installer Setup Number 0320. After you select your setting, press the Next button to go to the next Installer Setup Number.
Installer Setup Number 0320
Temperature 0 - Fahrenheit Temperature Display. Indication 1 - Celsius Temperature Display. Scale

M22311

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21. 22. Press the Up or Down arrow to select your setting for Installer Setup Number 0330. After you select your setting, press the Next button to go to the next Installer Setup Number.
Installer Setup Number 0330
Installer Setup Name Daylight Savings
(Select Your Setting) Settings 0 - Daylight Savings is Off -- clock will not adjust for Daylight Savings Time. 1 - Daylight Savings is On -- clock will automatically adjust for Daylight Savings Time.

M22312

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23. 24. Press the Up or Down arrow to select your setting for Installer Setup Number 0500. After you select your setting, press the Next button to go to the next Installer Setup Number.

Installer Setup Number 0500
Installer Setup Name Furnace Filter Change Reminder
(Select Your Setting) Settings 0 - Furnace Filter change reminder is Off 1 - Approximately 1 month -- based on 10 days of fan run time. 2 - Approximately 3 months -- based on 30 days of fan run time. 3 - Approximately 6 months -- based on 60 days of fan run time. 4 - Approximately 9 months -- based on 90 days of fan run time. 5 - Approximately 1 year -- based on 120 days of fan run time. 6 - Approximately 3 years -- based on 365 days of fan run time.

M22313

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25. 26. Press the Up or Down arrow to select your setting for Installer Setup Number 0530. After you select your setting, press the Next button to go to the next Installer Setup Number.
Installer Setup Number 0530
0 - Conventional recovery -- system Adaptive starts recovery at programmed Intelligent time. RecoveryTM 1 - Adaptive Intelligent RecoveryTM -system starts early so the setting is reached by the start of programmed period.

M22314

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27. 28. 29. Press the Up or Down arrow to select your setting for Installer Setup Number 0640. After you select your setting, press the Done key to exit the Installer Setup and save your settings. Congratulations! The installation of the thermostat is complete.
SETTING INSTALLER SETUP NUMBER

Outside Saved Set To %

UP ARROW DOWN ARROW

Permanent Hold Clock

Installer Setup Number 0640
Installer Setup Name Clock Format
(Select Your Setting) Settings 12 - 12-hour clock format. 24 - 24-hour clock format.

M22315

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Get to Know Your Thermostat Buttons Thermostat

DOWN BUTTON

LOWERS TEMPERATURE SETTING OR MAKES SELECTIONS IN OTHER SCREENS

UP ARROW BUTTON

RAISES TEMPERATURE SETTING OR MAKES SELECTIONS IN OTHER SCREENS

M22331
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Program Your Heating and Cooling Schedule (Cont) 3. Monday through Friday flashes. Press the Select Day button to select Monday through Friday. The days selected are scheduled with the same times and temperatures. Checkmarks appear next to the days selected.
Mon Tue Wed Thu Fri Sat Sun Select Day Next Step Cancel

M22332

You can select each day separately. Use the Up and Down buttons to move up and down the list of days. Use the Select Day or DeSelect Day button to select the days you want to schedule.

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4. Press the Next Step button. Once pressed, Wake flashes to show it is selected.

DAYS SELECTED

SCHEDULE PERIOD
HEAT OR COOL TEMPERATURES UP ARROW

Mon Tue Wed Thu Fri

CHANGES TIME AND TEMPERATURES

Go Back Next

DOWN ARROW

GO BACK BUTTON

GOES BACK TO THE LAST SCHEDULE STEP

DONE BUTTON

EXITS AND SAVES CHANGES MADE TO SCHEDULE

M22333

NEXT STEP BUTTON
ADVANCES PERIOD,TIME, HEAT AND COOL TEMPERATURES

5. 6. 7. 8. 9. 10. 11.

Press the Next Step button to select the Wake time. Use the Up and Down arrow buttons to change the time. Press the Next Step button to select the Heating temperature. Use the Up and Down arrow buttons to change the temperature. Press the Next Step button to select the Cooling temperature. Use the Up and Down arrow buttons to change the temperature. Repeat steps 5 through 10 for the Leave, Return and Sleep schedules.
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12. When complete, press the Done button. Saved appears on the display to indicate changes are being saved to the day(s) selected.

Mon Tue Wed Thu Fri Sat

M22334
To set a program schedule for Saturday and Sunday, repeat steps 1 through 12.
To select Saturday and /or Sunday to schedule, use the Down arrow button until Sat or Sun is flashing. When the desired day(s) is flashing, press the Select Day button.

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Set Time Set Time

1. 2. Press Clock & More button. Use the Up and Down arrow buttons to set the current time.

M22335

The current day of the week should already be set correctly. If not, see Step 11, Configure Installer Setup.

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Set Temperature Overrides Hold Temperature Until (Temporary Hold)
Hold temperature temporarily until the next scheduled period time. 1. Press the Up or Down arrow buttons next to the temperature you want to adjust. Temporary appears on the display above the set temperature.
MOVES TEMPERATURE SETTING UP OR DOWN

M22336

Press the Use Schedule button to cancel Temporary temperature and resume schedule.
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Set Temperature Overrides (Cont) Permanent Hold
Permanent Hold changes the temperature setting until Permanent Hold is cancelled. 1. 2. Use the Up or Down arrow buttons to set the temperature you want during the hold. Press the Hold button. Permanent Hold shows on the display.

Use Schedule

M22337
Press the Use Schedule button to cancel Permanent Hold and resume the schedule.
The display shows Permanent Hold until it is cancelled.

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Use Your Filter Timer

The Filter Timer notifies you when to change your furnace filter.

Reset Filter Timer

1. 2. Change Filter appears on the display when the filter timer expires. Press the Reset button to restart the filter timer.

System Heat

Schedule Reset

M22338

See Step 11 to turn the Filter Timer Change Reminder feature on or off.
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Use Your Filter Timer (Cont)
View or Reset The Remaining Change Filter Time
1. 2. Press the Clock & More button. Press the Next button.

Change Filter

M22339
Press the Reset button to Restart the filter timer, if desired. Press the Done button.

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Understand Temperature Recovery Feature
Your thermostat comes with a feature called Adaptive Intelligent Recovery, which eliminates all guesswork when setting your schedule. How long does it take the furnace to warm your house in the morning before you get out of bed or how long does it take the air conditioner to cool your house in the afternoon before you return from work? No problem. The thermostat determines that for you. Simply set your program schedule to the time you want the house to be at your comfort temperature. The thermostat then turns on the heating or cooling at just the right time to have your home reach your scheduled temperature at your scheduled time. For exampleyou get out of bed at 6:00 AM and want the temperature to be 70F. Set the Wake period for 6:00 AM and 70F. The thermostat then turns on the heat before 6:00 AM to raise the temperature to 70F by 6:00 AM. The thermostat alerts that the heating or cooling system is coming on before a scheduled time when Recovery shows on the screen.

Heat On System Fan

M22340
It takes about a week for the thermostat to adjust to local weather, your schedule, the construction of your home and your heating and/or cooling system. Each day it adjusts the next days recovery start time accordingly.

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Replace Batteries

1. When the LO Battery indicator is flashing, replace the batteries promptly with two fresh AA alkaline batteries.

M22322

Remove thermostat from the wallplate by pulling straight out.
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Replace Batteries (Cont)

3. Remove the old batteries and insert two fresh AA alkaline batteries, as marked on the thermostat.
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Replace Batteries (Cont) 4. Align the screw blocks with the pins on the back of the thermostat.
Push the thermostat straight onto the wallplate until it snaps into place.
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Review Battery Tips

1. Replace the batteries as soon as LO Batt flashes in the display. The LO Battery indicator flashes in the display one month before the batteries run down completely. Always use fresh AA alkaline batteries. Non-alkaline batteries do not last as long and can leak, causing thermostat damage. Although the thermostat has a Low Battery indicator, replace the batteries once a year to prevent the thermostat and heating/cooling system from shutting down due to lack of battery power. As a precaution, replace the batteries when leaving your home for more than a month to prevent your heating/cooling system from shutting down if the batteries run down completely.
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Built-in Compressor Protection
The RTH7500D Thermostat has built-in compressor protection (minimum-off timer) that prevents the compressor from restarting too early after a shutdown. The minimum-off timer is activated after the compressor turns off. If there is a call during the minimum-off timer, the thermostat shows Wait in the display.

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Both the heating and cooling systems are running at the same time.
Check Installer Setup Number 0170, Heating and/or Cooling System Type, and make sure the setting matches the installed heating and/or cooling system. Check and make sure the bare portions of the wires are not touching.
Heating system Check Installer Setup Number 0170, is running in Heating and/or Cooling System Type, and cool mode. make sure the setting matches the installed heating and/or cooling system. Heating system Check Installer Setup Number 0170, does not turn Heating and/or Cooling System Type, and off and the heat make sure the setting matches the installed temperature heating and/or cooling system. setting is set below the room temperature (Heat On is not shown in display). Red LED is on A system monitor is wired to the thermostat in the upper left L terminal. See Heating or Cooling system corner and the does not turn on in the Troubleshooting Heat Pump is Tips. not working.
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Customer Assistance

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Limited One-Year Warranty
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it (at Honeywells option) within a reasonable period of time. If the product is defective, (i) return it, with a bill of sale or other dated proof of purchase, to the retailer from which you purchased it, or (ii) package it carefully, along with proof of purchase (including date of purchase) and a short description of the malfunction, and mail it, postage prepaid, to the following address: Honeywell Return Goods Dock 4 MN10-Douglas Dr N Golden Valley, MN 55422 This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer. Honeywells sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you.

Installation Guide

RTH7000 Series

Programmable Thermostat

69-2104ES-01
This thermostat provides control of 24 VAC heating and cooling systems, or 750mV heating systems.
This manual covers RTH7400 and RTH7500 models.
(Pull thermostat from wallplate and turn over to find model number)
This thermostat contains a Lithium battery which may contain Perchlorate material. Perchlorate Materialspecial handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate MERCURY NOTICE: Do not place your old thermostat in the trash if it contains mercury in a sealed tube. Contact your local waste management authority for instructions regarding recycling and proper disposal.

Need Help?

For assistance with this product please visit http://DIYthermostats.honeywell.com or call Honeywell Customer Care toll-free at 1-866-228-8942
Read and save these instructions.
U.S. Registered Trademark. Patents pending. Copyright 2007 Honeywell International Inc. All rights reserved.

RTH7400/RTH7500

Table of contents

Getting started

Installation tips.. 2. Pre-installation checklist.. 3

System setup

How to enter system setup.. 16 How to change settings.. 17 System settings..18-24

Old thermostat removal

Remove old thermostat.. 4 Identify and label wires.. 5.

Appendices

Customer assistance.. 25 In case of difficulty.. 26 1-year limited warranty.. 28
New thermostat installation
Wallplate mounting.. 6 Wire connections.. 9 Battery installation. 13 Thermostat mounting. 14 Time/date settings. 15

69-2104ES01

Installation is easyeven if youve never done it before!
Your new thermostat has been designed for fast, easy installation.
Install in three simple steps
Label wires and remove your old thermostat (see pages 4-5). Install and wire your new thermostat (see pages 6-14). Set your new thermostat to match your heating/cooling system (see pages 15-24).

Installation tips

Have everything you need ready to go before you begin (see page 3). Do not use wire color as a guide. Use wire labels instead (see page 7). If you have installation questions, call 1-866-228-8942.
TURN OFF POWER at heating/cooling system (or fuse/circuit-breaker panel) before you begin installation. 69-2104ES01
Pre-installation checklist
Make sure this package includes: Required tools & supplies
RTH7400/RTH7500 thermostat (wallplate attached to back) Operating manual
Wall anchors and mounting screws (2 each)

Wire labels

M28071
No. 2 Phillips screwdriver Small pocket screwdriver Drill Drill bit (3/16 for drywall, 7/32 for plaster) Hammer Pencil Electrical tape Level (optional) Two fresh AA alkaline batteries
Note: Remove wallplate from the thermostat and see the label on the back of the thermostat for model number. 69-2104ES01
Remove your old thermostat About your new thermostat
1. Turn off power at heating/cooling system (or fuse/circuit-breaker panel). 2. Remove cover and thermostat, but leave wallplate with wires attached.
Leave wallplate in place Is there a sealed tube containing mercury? If so, see inside front cover of this manual for proper disposal instructions.
Old thermostat Cover 69-2104ES01

M28099

Label your and remove old About wiresnew thermostat wallplate
Use a screwdriver to disconnect wires one by one. As you disconnect each wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after all wires are labeled. Be careful not to let loose wires fall into the wall opening.
Wrap supplied labels securely around each wire Do not let wires fall into wall opening!
IGNORE WIRE COLORS: Use only letter designations to identify wire types.

M28072

Remove wallplate from new About your new thermostat thermostat
Grasp top and bottom of wallplate and pull to remove from your new thermostat.

Wallplate 69-2104ES01

M28073
Mark your new thermostat Aboutwallplate mounting position
1. Pull wires through wallplate. 2. Level wallplate if desired. 3. Mark positions of both screw holes.

M28074

Mount wallplate About your new thermostat
1. Drill holes at pencil-marked locations: 3/16 holes for drywall 7/32 holes for plaster.
2. Use hammer to tap anchors into holes until flush with wall.
3. Place wallplate over anchors and insert screws. Check level if desired, then tighten screws.

M28075

Connect wires: thermostat About your new Conventional Heating and Cooling
1. Match each labeled wire with same letter on new thermostat. 2. Use a screwdriver to loosen screws, insert wires into hole, then tighten screws. 3. Push any excess wire back into the wall opening. Labels dont match? If labels do not match letters on thermostat, see page 11. Have a Heat Pump System? See page 10.
CONVENTIONAL SCREW INSERT WIRES THEN TIGHTEN SCREWS LABELED WIRES WIRE HOLE

C G Y W RC R

M28070

CONVENTIONAL

Remove metal jumper if you have both R and Rc wires. 69-2104ES01

Connect wires: Heat Pump

1. Match each labeled wire with same letter on new thermostat. 2. Use a screwdriver to loosen screws, insert wires into hole, then tighten screws.
SCREW INSERT WIRES THEN TIGHTEN SCREWS LABELED WIRES HEAT PUMP

C G Y O/B RC R

M28104

WIRE HOLE

HEAT PUMP

Aux E L

3. If E and Aux do not each have a wire connected, use a small piece of wire to connect them to each other. 4. Push any excess wire back into the wall opening. Labels dont match? If labels do not match letters on thermostat, see page 12.
Alternate wiring (conventional systems)
If labels do not match terminals, connect wires as shown here (see notes, below).
Remove metal jumper connecting R and Rc only if you must connect both R and Rc wires. If your old thermostat had both R and RH wires, remove metal jumper. Connect the R wire to the Rc terminal, and the RH wire to the R terminal. If your old thermostat had only 1 C or C1 wire, connect it to the C terminal. If your old thermostat had 2 C or C1 wires, wrap each separately with electrical tape and do not connect them.

RC R W Y G C Y2 W2

Rc R W Y G C Y2 W2

M28076

Alternate wiring (for heat pumps only)
Leave metal jumper in place, connecting R & Rc terminals. If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help. If your old thermostat had separate O and B wires, attach the B wire to the C terminal. If another wire is attached to the C terminal, stop now and contact a qualified contractor for help. If your old thermostat had Y1, W1 and W2 wires, stop now and contact a qualified contractor for help. If L terminal is used, C terminal wire must be connected (contact a contractor if there is no C wire). If E and Aux terminals do not each have a wire connected, use a small piece of wire to connect them to each other. 12

M28077

Install batteries About your new thermostat
Install 2 fresh AA alkaline batteries in back of thermostat.

M28101

Back of thermostat
Remove tab and mount thermostat About your new thermostat

Remove tab.

Align pins on back of thermostat with slots in wallplate, then push gently until thermostat snaps into place. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into the wall opening. 69-2104ES01 14

M28102

M28103
Set time/date and restore electrical power About your new thermostat
Month Year Day 1. Press s or t to set month, then press NEXT. 2. Press s or t to set day, then press NEXT. 3. Press s or t to set year, then press DONE. 4. Press s or t to set time, then press DONE to save and exit.

Go Back

M28095
TIP: Dont forget to restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. 15 69-2104ES01

Entering system setup

Step 1

System

Schedule

Clock & More

Press and release the left button.

M28068

Step 2
Press and hold the center button until the screen changes (approximately 5 seconds).

M28069

Change settings
See pages 1824 to change Function Settings. Function Setting

Go Back Next

Press s t to change setting. Press NEXT to advance to next function. Press DONE to save & exit.
NOTE: Because of choices you make while programming, some functions in the following pages may not appear.

Setup functions

0120 Year Setting (first two digits) Year Setting (second two digits) Month Setting Date Setting

Settings & Options

Press s/t to change the first two digits of the year: 20 = Year 20xx 21 = Year 21xx Press s/t to change the last two digits of the year: 01 - 99 (i.e., 2001 - 2099) Press s/t to change the current month: 01 - 12 (i.e., January - December) Press s/t to change the current date: 01 - 31

0140 0150

NOTE: If you set the time and date as shown on page 15, press s to function 0170 and go to page 19. 18

0170 Select System Type

Press s/t to select your system type: 1 Heat/cool: Gas, oil or electric heating with central air conditioning. 2 Heat pump: Heat pump without backup or auxiliary heat. 3 Heat only: Gas, oil or electric heat without central air conditioning. 4 Heat only with fan: Gas, oil or electric heat without central air conditioning. 5 Hot water heat only (no fan): Gas, oil or hot water heat without central air conditioning. 6 Cool only: Central air conditioning only. 7 Heat pump: Heat pump with backup or auxiliary heating. 8 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2 cooling stages (wires on Y and Y2). 9 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1 cooling stage (wire on Y). 10 Heat/Cool Multiple stages: 1 heat stage (wire on W), 2 cooling stages (wires on Y and Y2).

0180 Heating Fan Control

Press s/t to select your heating system & fan control: 0 Gas or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation). 1 Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation). Press s/t to select whether your changeover valve is used in heating or cooling: 0 Cooling changeover valve: Use this setting if you connected a wire labeled O to the O/B terminal (see page 10). 1 Heating changeover valve: Use this setting if you connected a wire labeled B to the O/B terminal (see page 10).
Heat Pump Changeover Valve (for heat pumps only)
NOTE: Press NEXT button to continue.

0240 Heating Cycle Rate

Press s/t to select your heating system: 5 Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency). 9 Electric furnace: Electric heating systems. 3 Hot water or high-efficiency furnace: Hot water system or gas furnace (more than 90% efficiency). 1 Gas/oil steam or gravity system: Steam or gravity heat systems. Press s/t to select your heating system: 9 Electric furnace: Electric heating systems. 5 Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency). 3 Hot water or high-efficiency furnace: Hot water system or gas furnace (more than 90% efficiency). 1 Gas/oil steam or gravity system: Steam or gravity heat systems.
Emergency Heat Cycle Rate (heat pumps only)
System setup About your new thermostat
0300 Manual/Auto Changeover (RTH7500 only)
Press s/t to select manual or automatic changeover: 0 Manual changeover (Heat/Cool/Off). 1 Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat or Cool based on room temperature. Note: System maintains minimum 3F difference between heat and cool settings.
CAUTION: To avoid possible compressor damage, set to option 0 if the outside temperature drops below 50F (10C).
0320 Temperature Format (F/C) Press s/t to set the temperature display format: 0 Fahrenheit 1 Celsius
0330 Daylight Savings Time On/Off
Press s/t to select an option: 0 Off: No adjustment for daylight savings time. 1 On: Auto-change to daylight savings time (through 2006, and for areas that do not use the new 2007 DST calendar). 2 On: Auto-change to daylight savings time (2007 and beyond, for areas that use the new 2007 DST calendar). Press s/t to set the desired reminder interval: 0 Off (no reminder to change furnace filter) Note: Press RESET 1 Reminder after 10-day run time (about 1 month) to cancel the alert. 2 Reminder after 30-day run time (about 3 months) 3 Reminder after 60-day run time (about 6 months) 4 Reminder after 90-day run time (about 9 months) 5 Reminder after 120-day run time (about 1 year) 6 Reminder after 365-day run time (about 3 years)

Furnace Filter Change Reminder
0530 Smart Response Technology
Press s/t to turn this feature on or off (see Operating Manual for more information): 1 On 0 Off Press s/t to set the clock display format: 12 12-hour clock (i.e., 3:30 pm) 24 24-hour clock (i.e., 15:30)

Clock Format

Press DONE to save changes and exit system setup.
Congratulations, your thermostat installation is complete.

69-2104ES01 24

Customer assistance
For assistance with this product, please visit http://DIYthermostats.honeywell.com or call Honeywell Customer Care toll-free at 1-866-228-8942.

In case of difficulty

If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank Cannot change system setting to Cool Fan does not turn on when heat is required Heating system is running in cool mode Make sure fresh AA alkaline batteries are properly installed (see page 13). Check Function 0170: System Type to make sure it is set to match your heating and cooling equipment (see page 19). Check Function 0180: Heating Fan Control to make sure it is set to match your heating equipment (see page 20).
Check Function 0170: System Type to make sure it is set to match your heating and cooling equipment (see page 19).
Heating or cooling system does not respond Press SYSTEM to set system to Heat. Make sure the temperature is set higher than the Inside temperature. Press SYSTEM to set system to Cool. Make sure the temperature is set lower than the Inside temperature. Check circuit breaker and reset if necessary. Make sure power switch at heating & cooling system is on. Make sure furnace door is closed securely. Wait 5 minutes for the system to respond. Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor. Check Function 0190: Heat Pump Changeover Valve to make sure it is properly configured for your system (see page 20).
Wait appears on the screen Heat pump issues cool air in heat mode, or warm air in cool mode

1-year limited warranty

Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of one (1) year from the date of purchase by the consumer. If at any time during the warranty period the product is determined to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywells option). If the product is defective, (i) return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or (ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the determination whether the product should be returned to the following address: Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr. N., Golden Valley, MN 55422, or whether a replacement product can be sent to you. This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer.

Honeywells sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write Honeywell Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502. In Canada, write Retail Products ON15-02H, Honeywell Limited/ Honeywell Limite, 35 Dynamic Drive, Toronto, Ontario M1V4Z9. 29 69-2104ES01
Automation and Control Systems
Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 http://DIYthermostats.honeywell.com
Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.
Honeywell Limited-Honeywell Limite 35 Dynamic Drive Toronto, Ontario M1V 4Z9
U.S. Registered Trademark. 2007 Honeywell International Inc. 69-2104ES01 M.S. 09-07

Gua de Instalacin

Serie RTH7000

Termostato programable

Este termostato proporciona control de sistemas de calefaccin y refrigeracin de 24 VCA o sistemas de calefaccin de 750 mV.
Ce manuel est pour les modles RTH7400 et RTH7500.
(Enlevez le thermostat du wallplate et linversez pour trouver le numro de type.)
Este termostato tiene una batera de litio que puede contener perclorato. Perclorato: puede ser necesario manipularlo con mtodos especiales. Visite www.dtsc.ca.gov/hazardouswaste/perchlorate AVISO DE MERCURIO: No arroje su viejo termostato a la basura si contiene mercurio en un tubo sellado. Comunquese con la autoridad local de disposicin de desechos para recibir instrucciones sobre reciclado y eliminacin correcta.