Owner's Manual
Page 8
... display, press CLOCK, then press 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 Press and hold s or t to advance the time more quickly.
... display, press CLOCK, then press 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 Press and hold s or t to advance the time more quickly.
Owner's Manual
Page 10
... 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 settings may not appear, depending on the indoor temperature. • Off: All systems are off. • Em Heat...
... 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 settings may not appear, depending on the indoor temperature. • Off: All systems are off. • Em Heat...
Owner's Manual
Page 19
... 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 reminder alerts you when it expires: 1. Press MORE, then NEXT. 2. Press RESET. 3. Press DONE to save and exit. M28090 17 69-2222EF...-03 To reset the reminder interval before it is time to replace your filter. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer.
... 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 reminder alerts you when it expires: 1. Press MORE, then NEXT. 2. Press RESET. 3. Press DONE to save and exit. M28090 17 69-2222EF...-03 To reset the reminder interval before it is time to replace your filter. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer.
Owner's Manual
Page 21
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. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03 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. 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. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03 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. The warning flashes about 30 days before leaving home for more than a month.
Owner's Manual
Page 23
... • Cool: 50° to 99°F (10° to Make sure heating and cooling temperatures are correctly installed (see page 19). No response to 37°C). Most problems can be corrected quickly and easily. AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions.
... • Cool: 50° to 99°F (10° to Make sure heating and cooling temperatures are correctly installed (see page 19). No response to 37°C). Most problems can be corrected quickly and easily. AInbcoausteyoouf rdnifefiwcutlhtyermostat RTH7400/RTH7500 Series If you have difficulty with your thermostat, please try the following suggestions.
