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 4
Just follow the simple, step-by-step instructions in three simple steps • Label wires and remove your old thermostat (see pages 5-7). • Install and wire your new thermostat (see pages 8-14). • Set your new thermostat to go before ! Install in the following pages. Use wire labels instead (see pages 15-18). Installation Guide...
Just follow the simple, step-by-step instructions in three simple steps • Label wires and remove your old thermostat (see pages 5-7). • Install and wire your new thermostat (see pages 8-14). • Set your new thermostat to go before ! Install in the following pages. Use wire labels instead (see pages 15-18). Installation Guide...
Owner's Manual
Page 17
Press t to control the heating and cooling system in your system) Next, you must set thermostat to match your home. RTH3100C System setup (set the thermostat to change settings. Press s to advance to enter system setup. Press and hold the s and t buttons until the display changes. Function number 6 Setting Setup 5 To begin, press and hold ts to exit and save settings. 15 Press and hold the s and t buttons to next function.
Press t to control the heating and cooling system in your system) Next, you must set thermostat to match your home. RTH3100C System setup (set the thermostat to change settings. Press s to advance to enter system setup. Press and hold the s and t buttons until the display changes. Function number 6 Setting Setup 5 To begin, press and hold ts to exit and save settings. 15 Press and hold the s and t buttons to next function.
Owner's Manual
Page 21
... breaker and reset if necessary. • Make sure power switch at heating & cooling system is on . • Make sure furnace door is set higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are on ....Make sure furnace door is closed . • Wait 5 minutes for the system to respond. 19 In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions. Make sure the temperature is securely closed securely. • Make sure fresh AA alkaline batteries...
... breaker and reset if necessary. • Make sure power switch at heating & cooling system is on . • Make sure furnace door is set higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are on ....Make sure furnace door is closed . • Wait 5 minutes for the system to respond. 19 In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions. Make sure the temperature is securely closed securely. • Make sure fresh AA alkaline batteries...