Owner's Manual
Page 2
...pending. Need Help? Perchlorate Material-special handling may contain Perchlorate material. For assistance with this 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. All rights reserved. US .... 6,595,430; 7,114,554; 7,274,972; 7,225,054 and other patents pending Copyright © 2010 Honeywell International Inc. 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...
...pending. Need Help? Perchlorate Material-special handling may contain Perchlorate material. For assistance with this 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. All rights reserved. US .... 6,595,430; 7,114,554; 7,274,972; 7,225,054 and other patents pending Copyright © 2010 Honeywell International Inc. 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...
Owner's Manual
Page 3
... 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...
... 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...
Owner's Manual
Page 5
... override the program schedule at any time, and manually adjust the temperature (see page 7 3.. This thermostat is ready to go . Program schedules: Preset to go ! RTH7400/RTH7500 Series Your new thermostat is set the time and day. All you wake at 6 am, leave at 8 am, return at 6 pm and go to bed...
... override the program schedule at any time, and manually adjust the temperature (see page 7 3.. This thermostat is ready to go . Program schedules: Preset to go ! RTH7400/RTH7500 Series Your new thermostat is set the time and day. All you wake at 6 am, leave at 8 am, return at 6 pm and go to bed...
Owner's Manual
Page 7
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
Page 9
System Heat System Fan Auto Fan Done M28082 7 69-2222EF-03 Fan setting Press SYSTEM & FAN System & Fan Schedule Clock & More M28081 Press FAN to select mode, then press DONE RTH7400/RTH7500 Series Press SYSTEM & FAN, then FAN to select fan operation: • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on.
System Heat System Fan Auto Fan Done M28082 7 69-2222EF-03 Fan setting Press SYSTEM & FAN System & Fan Schedule Clock & More M28081 Press FAN to select mode, then press DONE RTH7400/RTH7500 Series Press SYSTEM & FAN, then FAN to select fan operation: • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on.
Owner's Manual
Page 11
... evening, until bedtime. SLEEP 10:00 pm 62 ° Set to the time you go to bed and the temperature you leave for the day. RTH7400/RTH7500 Series Save money by setting program schedules It's easy to program your system for weekdays and weekends. You can program four time periods each day...
... evening, until bedtime. SLEEP 10:00 pm 62 ° Set to the time you go to bed and the temperature you leave for the day. RTH7400/RTH7500 Series Save money by setting program schedules It's easy to program your system for weekdays and weekends. You can program four time periods each day...
Owner's Manual
Page 13
... Mon-Fri (they will share the same settings). 3. Press SELECT DAY to program other time periods (LEAVE, RETURN, SLEEP), then press DONE. 7. RTH7400/RTH7500 Series To adjust program schedules (RTH7400 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084 View MON TUE WED THU FRI Go Back Period...
... Mon-Fri (they will share the same settings). 3. Press SELECT DAY to program other time periods (LEAVE, RETURN, SLEEP), then press DONE. 7. RTH7400/RTH7500 Series To adjust program schedules (RTH7400 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084 View MON TUE WED THU FRI Go Back Period...
Owner's Manual
Page 14
... to 62 Heat Next Step Done 1. Press NEXT STEP, then s or t to set Cool temperature for this time period. 5. 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...
... to 62 Heat Next Step Done 1. Press NEXT STEP, then s or t to set Cool temperature for this time period. 5. 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...
Owner's Manual
Page 15
... maintained until the next time period. To cancel the temporary setting at any time, press USE SCHEDULE. 13 69-2222EF-03 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...
... maintained until the next time period. To cancel the temporary setting at any time, press USE SCHEDULE. 13 69-2222EF-03 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...
Owner's Manual
Page 17
... climates where both "Auto" and either mode. 15 69-2222EF-03 The display will automatically adjust the cooling and heating settings to maintain a 3-dgreee separation. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this feature in Auto, the thermostat automatically selects heating or cooling depending on the same day. Press the system button to select...
... climates where both "Auto" and either mode. 15 69-2222EF-03 The display will automatically adjust the cooling and heating settings to maintain a 3-dgreee separation. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this feature in Auto, the thermostat automatically selects heating or cooling depending on the same day. Press the system button to select...
Owner's Manual
Page 19
... DONE to reset reminder interval 60 Days Reset Next Done If activated during installation, the furnace filter reminder alerts you when it expires: 1. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer. To reset the reminder interval before it is time to replace your filter. Press...
... DONE to reset reminder interval 60 Days Reset Next Done If activated during installation, the furnace filter reminder alerts you when it expires: 1. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer. To reset the reminder interval before it is time to replace your filter. Press...
Owner's Manual
Page 21
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. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03
Owner's Manual
Page 23
... 19). Most problems can be corrected quickly and easily. temperature will • Cool: 50° to 99°F (10° to 32°C). AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions. Display is blank • Check circuit breaker and reset if necessary. •...
... 19). Most problems can be corrected quickly and easily. temperature will • Cool: 50° to 99°F (10° to 32°C). AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions. Display is blank • Check circuit breaker and reset if necessary. •...
Owner's Manual
Page 25
...warranty period the product is determined to be sent to the place from the date of purchase by damage which you . RTH7400/RTH7500 Series A1-byoeuatr yliomuirtendewwathrrearnmtyostat Honeywell warrants this product, excluding battery, to be free from defects in the possession of a consumer. 23 69-2222EF-03 ...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 defective or...
...warranty period the product is determined to be sent to the place from the date of purchase by damage which you . RTH7400/RTH7500 Series A1-byoeuatr yliomuirtendewwathrrearnmtyostat Honeywell warrants this product, excluding battery, to be free from defects in the possession of a consumer. 23 69-2222EF-03 ...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 defective or...