Owner's Manual
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... 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...
... 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...
Owner's Manual
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..., and manually adjust the temperature (see pages 13-14). 3 69-2222EF-03 Select fan setting: Preset to go . Select system setting: Preset to go ! RTH7400/RTH7500 Series Your new thermostat is pre-programmed and ready to Heat To change if needed: 1..
..., and manually adjust the temperature (see pages 13-14). 3 69-2222EF-03 Select fan setting: Preset to go . Select system setting: Preset to go ! RTH7400/RTH7500 Series Your new thermostat is pre-programmed and ready to Heat To change if needed: 1..
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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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
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... to the time you go to the time you awaken and the temperature you want overnight (usually an energy-saving level). 9 69-2222EF-03 RTH7400/RTH7500 Series Save money by setting program schedules It's easy to program your system for weekdays and weekends. WAKE 6:00 am 62 ° Set to the time...
... to the time you go to the time you awaken and the temperature you want overnight (usually an energy-saving level). 9 69-2222EF-03 RTH7400/RTH7500 Series Save money by setting program schedules It's easy to program your system for weekdays and weekends. WAKE 6:00 am 62 ° Set to the time...
Owner's Manual
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... temperature for selected days. 4. Press SELECT DAY to 62 Heat Next Step Done 1. M28086 Select day(s) Select time Select temp 11 69-2222EF-03 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...
... temperature for selected days. 4. Press SELECT DAY to 62 Heat Next Step Done 1. M28086 Select day(s) Select time Select temp 11 69-2222EF-03 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...
Owner's Manual
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... to immediately adjust the temperature. 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 SCHEDULE...
... to immediately adjust the temperature. 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 SCHEDULE...
Owner's Manual
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When the system mode is raising the cool setting up to show both air conditioning and heating are currently adjusting. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this feature in Auto, the thermostat automatically selects heating or cooling depending on the same day. The display will show an up arrow ...
When the system mode is raising the cool setting up to show both air conditioning and heating are currently adjusting. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this feature in Auto, the thermostat automatically selects heating or cooling depending on the same day. The display will show an up arrow ...
Owner's Manual
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... 69-2222EF-03 Press DONE to replace your filter. To reset the reminder interval before it is time to save and exit. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer. Press RESET after changing filter Change Filter 70 Set to 6:01 AM 70 Heat On...
... 69-2222EF-03 Press DONE to replace your filter. To reset the reminder interval before it is time to save and exit. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer. Press RESET after changing filter Change Filter 70 Set to 6:01 AM 70 Heat On...
Owner's Manual
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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 remove from wallplate M28103 Batteries are depleted. The warning flashes about 30 days before leaving home for more than a month. Install fresh batteries immediately when the LO BATT warning begins flashing. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to run on AC power when installed. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03
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 remove from wallplate M28103 Batteries are depleted. The warning flashes about 30 days before leaving home for more than a month. Install fresh batteries immediately when the LO BATT warning begins flashing. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to run on AC power when installed. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03
Owner's Manual
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... acceptable ranges: key presses (or • Heat: 40° to 90°F (4.5° to 37°C). not change) 21 69-2222EF-03 AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. temperature will • Cool: 50...
... acceptable ranges: key presses (or • Heat: 40° to 90°F (4.5° to 37°C). not change) 21 69-2222EF-03 AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. temperature will • Cool: 50...
Owner's Manual
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... removal or reinstallation costs. If the product is shown by Honeywell that the defect or malfunction was caused by the consumer. RTH7400/RTH7500 Series A1-byoeuatr yliomuirtendewwathrrearnmtyostat Honeywell warrants this product, excluding battery, to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option). If at 1-800-468-1502. This warranty shall not...
... removal or reinstallation costs. If the product is shown by Honeywell that the defect or malfunction was caused by the consumer. RTH7400/RTH7500 Series A1-byoeuatr yliomuirtendewwathrrearnmtyostat Honeywell warrants this product, excluding battery, to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option). If at 1-800-468-1502. This warranty shall not...