Owner's Manual
Page 3
Table of contents Getting started Installation tips 2 Pre-installation checklist 3 Old thermostat removal Remove old thermostat 5 Identify and label wires 6 New thermostat installation Wallplate mounting 8 Wire connections 11 Battery installation 13 Thermostat mounting 14 RTH3100C System setup How to change settings 15 Set auxiliary heat cycle rate 16 Set emergency heat cycle rate 17 Set temperature display 18 Appendices In case of difficulty 19 Customer assistance 21 Accessories 21 1-year limited warranty 22
Table of contents Getting started Installation tips 2 Pre-installation checklist 3 Old thermostat removal Remove old thermostat 5 Identify and label wires 6 New thermostat installation Wallplate mounting 8 Wire connections 11 Battery installation 13 Thermostat mounting 14 RTH3100C System setup How to change settings 15 Set auxiliary heat cycle rate 16 Set emergency heat cycle rate 17 Set temperature display 18 Appendices In case of difficulty 19 Customer assistance 21 Accessories 21 1-year limited warranty 22
Owner's Manual
Page 18
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 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.
Owner's Manual
Page 19
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 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.