Owner's Manual
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... product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502 Read and save these instructions. ® U.S. Registered Trademark. Perchlorate Material-special handling may contain Perchlorate material. Patents pending. This manual covers the RTH7400 and RTH7500 models. (Pull thermostat from wallplate and turn over to find model number) This thermostat contains a Lithium battery which may apply, See...
... product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502 Read and save these instructions. ® U.S. Registered Trademark. Perchlorate Material-special handling may contain Perchlorate material. Patents pending. This manual covers the RTH7400 and RTH7500 models. (Pull thermostat from wallplate and turn over to find model number) This thermostat contains a Lithium battery which may apply, See...
Owner's Manual
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... contents About your new thermostat Thermostat features 2 Programming at a glance 3 Quick reference to controls 4 Quick reference to status display 5 Programming & Operation Clock setting 6 Fan setting 7 System setting 8 Using program schedules 9 Program schedule overrides 13 Auto Changeover 15 Filter reminder 17 Special features 18 RTH7400/RTH7500 Series Appendices Battery replacement 19 Customer assistance 20 In case of difficulty 21 Limited warranty 23 This thermostat is pre-programmed and ready to go ! See page 3 to go . Your new thermostat is ready to...
... contents About your new thermostat Thermostat features 2 Programming at a glance 3 Quick reference to controls 4 Quick reference to status display 5 Programming & Operation Clock setting 6 Fan setting 7 System setting 8 Using program schedules 9 Program schedule overrides 13 Auto Changeover 15 Filter reminder 17 Special features 18 RTH7400/RTH7500 Series Appendices Battery replacement 19 Customer assistance 20 In case of difficulty 21 Limited warranty 23 This thermostat is pre-programmed and ready to go ! See page 3 to go . Your new thermostat is ready to...
Owner's Manual
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Features • Easy-to-follow menu programming. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of the level you set. • Change/check reminder lets you know when to replace furnace filter. • Large display with backlight is easy to give you many years of reliable service and climate control. Operating Manual About your new thermostat Congratulations! It has been designed to read-even in the dark. 69-2222EF-03 2 You've just purchased the world's most advanced, easy-to-use thermostat.
Features • Easy-to-follow menu programming. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of the level you set. • Change/check reminder lets you know when to replace furnace filter. • Large display with backlight is easy to give you many years of reliable service and climate control. Operating Manual About your new thermostat Congratulations! It has been designed to read-even in the dark. 69-2222EF-03 2 You've just purchased the world's most advanced, easy-to-use thermostat.
Owner's Manual
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... at 8 am, return at 6 pm and go to Heat To change , see pages 10-14 ONE-TOUCH TEMP CONTROL: You can override the program schedule at 10 pm To change , see pages 13-14). 3 69-2222EF-03 Select system setting: Preset to bed at any time, and manually adjust the temperature (see page 8 4.. This thermostat is ready to go. RTH7400/RTH7500 Series Your new thermostat is pre-programmed and ready...
... at 8 am, return at 6 pm and go to Heat To change , see pages 10-14 ONE-TOUCH TEMP CONTROL: You can override the program schedule at 10 pm To change , see pages 13-14). 3 69-2222EF-03 Select system setting: Preset to bed at any time, and manually adjust the temperature (see page 8 4.. This thermostat is ready to go. RTH7400/RTH7500 Series Your new thermostat is pre-programmed and ready...
Owner's Manual
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System & Fan Press to select fan operation (see page 7) or system (see page 6) or furnace filter reminder. Schedule Press to set program schedule (see pages 11-12). 69-2222EF-03 4 M28426 Clock & More Press to make selections from screen menus. Operating Manual Quick reference to controls Arrow buttons Press to adjust temperature (see pages 11-14), or to set clock (see page 8).
System & Fan Press to select fan operation (see page 7) or system (see page 6) or furnace filter reminder. Schedule Press to set program schedule (see pages 11-12). 69-2222EF-03 4 M28426 Clock & More Press to make selections from screen menus. Operating Manual Quick reference to controls Arrow buttons Press to adjust temperature (see pages 11-14), or to set clock (see page 8).
Owner's Manual
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Quick reference to status display Current day of week Current inside temperature RTH7400/RTH7500 Series Current time Smart Response® Technology in effect (see page 15) System setting (see page 8) Mon 75 Recovery System Cool 6:01 AM Fan Auto Set to 75 Heat On System & Fan Schedule Clock & Mode Temperature setting Fan setting (see page 7) M28078 Other display messages: • Cool On: Cooling system is activated • Heat On: Heating system is activated • Aux Heat On: Auxiliary heating system is activated (heat pump systems only) 5 69-2222EF-03
Quick reference to status display Current day of week Current inside temperature RTH7400/RTH7500 Series Current time Smart Response® Technology in effect (see page 15) System setting (see page 8) Mon 75 Recovery System Cool 6:01 AM Fan Auto Set to 75 Heat On System & Fan Schedule Clock & Mode Temperature setting Fan setting (see page 7) M28078 Other display messages: • Cool On: Cooling system is activated • Heat On: Heating system is activated • Aux Heat On: Auxiliary heating system is activated (heat pump systems only) 5 69-2222EF-03
Owner's Manual
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... & exit (or press GO BACK to advance the time more quickly. Note: The real-time clock should never require adjustment since it automatically updates for daylight savings time, and stores all date/time information. Press and hold s or t to exit without changing the time). Note: To change the current week day display, see System Setup in your Installation Guide. 6 Operating Manual Clock setting Press CLOCK System & Fan Schedule Clock & More Adjust time, then press DONE Mon M28079 6:01...
... & exit (or press GO BACK to advance the time more quickly. Note: The real-time clock should never require adjustment since it automatically updates for daylight savings time, and stores all date/time information. Press and hold s or t to exit without changing the time). Note: To change the current week day display, see System Setup in your Installation Guide. 6 Operating Manual Clock setting Press CLOCK System & Fan Schedule Clock & More Adjust time, then press DONE Mon M28079 6:01...
Owner's Manual
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Compressor is locked out. Operating Manual System setting Press SYSTEM & FAN System & Fan Schedule Clock & More Press SYSTEM to select mode, then press DONE M28081 System Heat System Fan Auto Fan 69-2222EF-03 Done M28083 Follow steps at left to select system: • Heat: Thermostat controls only the heating system. • Cool: Thermostat controls only the cooling system. • Auto: Thermostat automatically selects heating or cooling depending on how your thermostat was installed. 8 Note: The Auto and Em Heat system...
Compressor is locked out. Operating Manual System setting Press SYSTEM & FAN System & Fan Schedule Clock & More Press SYSTEM to select mode, then press DONE M28081 System Heat System Fan Auto Fan 69-2222EF-03 Done M28083 Follow steps at left to select system: • Heat: Thermostat controls only the heating system. • Cool: Thermostat controls only the cooling system. • Auto: Thermostat automatically selects heating or cooling depending on how your thermostat was installed. 8 Note: The Auto and Em Heat system...
Owner's Manual
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We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun) 70 ° 78 ° 70 ° 78 ° 62 °...
We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun) 70 ° 78 ° 70 ° 78 ° 62 °...
Owner's Manual
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... day(s) Select time Select temp 11 69-2222EF-03 Press SCHEDULE, then EDIT to program Saturday/Sunday. (Press s or t until the desired day is flashing, then press SELECT DAY.) 8. Press NEXT STEP, then s or t to set Heat temperature for this time period. 5. Repeat steps 1-6 to see weekdays. 2. Press SELECT DAY to set Cool temperature for this time period. 6. Press NEXT STEP, then s or t to program other time periods (LEAVE, RETURN, SLEEP...
... day(s) Select time Select temp 11 69-2222EF-03 Press SCHEDULE, then EDIT to program Saturday/Sunday. (Press s or t until the desired day is flashing, then press SELECT DAY.) 8. Press NEXT STEP, then s or t to set Heat temperature for this time period. 5. Repeat steps 1-6 to see weekdays. 2. Press SELECT DAY to set Cool temperature for this time period. 6. Press NEXT STEP, then s or t to program other time periods (LEAVE, RETURN, SLEEP...
Owner's Manual
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... Step Done 1. M28086 Select day(s) Select time Select temp 69-2222EF-03 12 Operating Manual To adjust program schedules (RTH7500 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084 View MON TUE WED THU FRI Go Back Period 6:00 Wake AM M28085 Set to set Wake time for selected day(s). 4. Press SELECT DAY. Press DONE to set Cool temperature for this time period. 6. Press NEXT STEP...
... Step Done 1. M28086 Select day(s) Select time Select temp 69-2222EF-03 12 Operating Manual To adjust program schedules (RTH7500 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084 View MON TUE WED THU FRI Go Back Period 6:00 Wake AM M28085 Set to set Wake time for selected day(s). 4. Press SELECT DAY. Press DONE to set Cool temperature for this time period. 6. Press NEXT STEP...
Owner's Manual
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When the timer expires, the program schedule will resume and set the temperature to immediately adjust the temperature. Program schedule override (temporary) RTH7400/RTH7500 Series Mon 62 System Heat System & Fan Adjust temperature Temporary Set to 68 6:08 AM Heat On Fan Auto Use Schedule Clock & More Press USE SCHEDULE to resume program schedule M28087 Press s or t to the level you've programmed for the current time period. To cancel the temporary setting at any time, press USE SCHEDULE. 13 69-2222EF-03 This will...
When the timer expires, the program schedule will resume and set the temperature to immediately adjust the temperature. Program schedule override (temporary) RTH7400/RTH7500 Series Mon 62 System Heat System & Fan Adjust temperature Temporary Set to 68 6:08 AM Heat On Fan Auto Use Schedule Clock & More Press USE SCHEDULE to resume program schedule M28087 Press s or t to the level you've programmed for the current time period. To cancel the temporary setting at any time, press USE SCHEDULE. 13 69-2222EF-03 This will...
Owner's Manual
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Operating Manual Program schedule override (permanent) Mon 62 System Heat Adjust temperature Set to 6:08 AM 68 Fan Auto Permanent Hold Hold Cancel Press s or t to turn off program schedule and maintain set will turn off the program schedule. This will be maintained 24 hours a day, until you manually change it, or press USE SCHEDULE to cancel "Hold" and resume the program schedule. Press HOLD to adjust temperature, then press HOLD. Whatever temperature you set temperature M28088 69-2222EF-03 14
Operating Manual Program schedule override (permanent) Mon 62 System Heat Adjust temperature Set to 6:08 AM 68 Fan Auto Permanent Hold Hold Cancel Press s or t to turn off program schedule and maintain set will turn off the program schedule. This will be maintained 24 hours a day, until you manually change it, or press USE SCHEDULE to cancel "Hold" and resume the program schedule. Press HOLD to adjust temperature, then press HOLD. Whatever temperature you set temperature M28088 69-2222EF-03 14
Owner's Manual
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... Auto mode, if a schedule override takes place (temporarily or permanently) the thermostat will automatically adjust the cooling and heating settings to maintain a 3-degree separation between the heat and cool to maintain a 3-dgreee separation. The display will show an up to view/adjust either "Heat" or "Cool" for which temperature setting you are used on the indoor temperature. Press the system button to show both air conditioning and heating are currently adjusting. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use...
... Auto mode, if a schedule override takes place (temporarily or permanently) the thermostat will automatically adjust the cooling and heating settings to maintain a 3-degree separation between the heat and cool to maintain a 3-dgreee separation. The display will show an up to view/adjust either "Heat" or "Cool" for which temperature setting you are used on the indoor temperature. Press the system button to show both air conditioning and heating are currently adjusting. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use...
Owner's Manual
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... compressor damage, do not use Auto Changeover if the outside temperature drops below 50°F (10°C). 69-2222EF-03 16 Tue 69 1:09PM System Auto Fan Auto Heat Temporary Set To 74 Heat Cool System Hold Cancel M27486 The triangle indicates the cool temperature is lowering the heat setting down to maintain 3 degrees between heat and cool settings. Operating Manual AubtooutCyhoaunrgneeowvetrhermostat If the cool temperature is lowered to where it gets close to the heat setting...
... compressor damage, do not use Auto Changeover if the outside temperature drops below 50°F (10°C). 69-2222EF-03 16 Tue 69 1:09PM System Auto Fan Auto Heat Temporary Set To 74 Heat Cool System Hold Cancel M27486 The triangle indicates the cool temperature is lowering the heat setting down to maintain 3 degrees between heat and cool settings. Operating Manual AubtooutCyhoaunrgneeowvetrhermostat If the cool temperature is lowered to where it gets close to the heat setting...
Owner's Manual
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... timer. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to save and exit. To reset the reminder interval before it is time to replace your filter. M28090 17 69-2222EF-03 Press MORE, then NEXT. 2. Press RESET after changing filter Change Filter 70 Set to 6:01 AM 70 Heat On System Fan Auto Heat Reset Schedule Clock & More M28089 Press MORE to reset reminder interval 60 Days Reset Next Done If activated during installation, the furnace filter...
... timer. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to save and exit. To reset the reminder interval before it is time to replace your filter. M28090 17 69-2222EF-03 Press MORE, then NEXT. 2. Press RESET after changing filter Change Filter 70 Set to 6:01 AM 70 Heat On System Fan Auto Heat Reset Schedule Clock & More M28089 Press MORE to reset reminder interval 60 Days Reset Next Done If activated during installation, the furnace filter...
Owner's Manual
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... system is set . Heat and cool settings must be at the time you wake at 6. The heat will automatically adjust settings to maintain this 3-degree separation. The thermostat will come on screen. Compressor Protection: This feature forces the compressor to wait a few minutes before a scheduled time period. Auto Changeover: This feature is used in climates where both air conditioning and heating are used on the indoor temperature. During the wait time, the message "Wait" is displayed on...
... system is set . Heat and cool settings must be at the time you wake at 6. The heat will automatically adjust settings to maintain this 3-degree separation. The thermostat will come on screen. Compressor Protection: This feature forces the compressor to wait a few minutes before a scheduled time period. Auto Changeover: This feature is used in climates where both air conditioning and heating are used on the indoor temperature. During the wait time, the message "Wait" is displayed on...
Owner's Manual
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Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03 The warning flashes about 30 days before leaving home for more than a month. Even if the warning does not appear, you should replace batteries once a year, or before batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to remove from wallplate M28103 Batteries are depleted. Install fresh batteries immediately when the LO BATT warning begins flashing.
Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03 The warning flashes about 30 days before leaving home for more than a month. Even if the warning does not appear, you should replace batteries once a year, or before batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to remove from wallplate M28103 Batteries are depleted. Install fresh batteries immediately when the LO BATT warning begins flashing.
Owner's Manual
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... heating and cooling temperatures are correctly installed (see page 19). Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AA alkaline batteries are set to acceptable ranges: key presses (or • Heat...
... heating and cooling temperatures are correctly installed (see page 19). Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AA alkaline batteries are set to acceptable ranges: key presses (or • Heat...
Owner's Manual
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... Heat. Operating Manual AInbcoausteyoouf rdnifefiwcutlhtyermostat Heating or • Press SYSTEM to set system to Cool. Make sure the temperature is set cooling system higher 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. • If "Wait" is displayed, the compressor protection timer is set lower than the Inside temperature. Make sure the temperature...
... Heat. Operating Manual AInbcoausteyoouf rdnifefiwcutlhtyermostat Heating or • Press SYSTEM to set system to Cool. Make sure the temperature is set cooling system higher 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. • If "Wait" is displayed, the compressor protection timer is set lower than the Inside temperature. Make sure the temperature...