Owner's Manual
Page 17
Press s to advance to change settings. Press and hold ts to exit and save settings. 15 Press and hold the s and t buttons to control the heating and cooling system in your home. Press t to next function. Function number 6 Setting Setup 5 To begin, press and hold the s and t buttons until the display changes. RTH3100C System setup (set thermostat to match your system) Next, you must set the thermostat to enter system setup.
Press s to advance to change settings. Press and hold ts to exit and save settings. 15 Press and hold the s and t buttons to control the heating and cooling system in your home. Press t to next function. Function number 6 Setting Setup 5 To begin, press and hold the s and t buttons until the display changes. RTH3100C System setup (set thermostat to match your system) Next, you must set the thermostat to enter system setup.
Owner's Manual
Page 18
Press the t button to select your auxiliary heating system and optimize its operation: 5 For gas or oil furnaces of less than 90% efficiency 1 For steam or gravity systems 3 For hot water systems & furnaces of over 90% efficiency 9 For electric furnaces When finished, press to advance to change setting. Installation Guide Function 6: Auxiliary heat cycle rate Setup 65 Press to the next function. 16
Press the t button to select your auxiliary heating system and optimize its operation: 5 For gas or oil furnaces of less than 90% efficiency 1 For steam or gravity systems 3 For hot water systems & furnaces of over 90% efficiency 9 For electric furnaces When finished, press to advance to change setting. Installation Guide Function 6: Auxiliary heat cycle rate Setup 65 Press to the next function. 16
Owner's Manual
Page 19
Press the t button to select your emergency heating system and optimize its operation: 9 For electric furnaces 1 For steam or gravity systems 3 For hot water systems & furnaces of over 90% efficiency 5 For gas or oil furnaces of less than 90% efficiency When finished, press to advance to change setting. RTH3100C Function 8: Emergency heat cycle rate Setup 89 Press to the next function. 17
Press the t button to select your emergency heating system and optimize its operation: 9 For electric furnaces 1 For steam or gravity systems 3 For hot water systems & furnaces of over 90% efficiency 5 For gas or oil furnaces of less than 90% efficiency When finished, press to advance to change setting. RTH3100C Function 8: Emergency heat cycle rate Setup 89 Press to the next function. 17
Owner's Manual
Page 20
Installation Guide Function 14: Temperature display Setup 14 0 Press the t button to select Fahrenheit or Celsius temperature display: 0 Fahrenheit temperature display (°F) 1 Celsius temperature display (°C) Press to exit and save changes. 18 When finished, press and hold both buttons to change setting.
Installation Guide Function 14: Temperature display Setup 14 0 Press the t button to select Fahrenheit or Celsius temperature display: 0 Fahrenheit temperature display (°F) 1 Celsius temperature display (°C) Press to exit and save changes. 18 When finished, press and hold both buttons to change setting.