Owner's Manual
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RTH3100C Non-Programmable Digital Thermostat Installation Guide 69-1889EF-1
RTH3100C Non-Programmable Digital Thermostat Installation Guide 69-1889EF-1
Owner's Manual
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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
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... 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 heating/cooling system (see page 7). Installation tips • Have everything you need ready to match your new thermostat to go before you 've never done it before! Your...
... 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 heating/cooling system (see page 7). Installation tips • Have everything you need ready to match your new thermostat to go before you 've never done it before! Your...
Owner's Manual
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Do not use If any wires are not attached to terminals in your old thermostat, do not connect them to your new thermostat. Wrap the bare metal ends of each unused wire with electrical tape, so it cannot touch and short out other wires. Installation Guide Identify wires you will not use unconnected wires.
Do not use If any wires are not attached to terminals in your old thermostat, do not connect them to your new thermostat. Wrap the bare metal ends of each unused wire with electrical tape, so it cannot touch and short out other wires. Installation Guide Identify wires you will not use unconnected wires.
Owner's Manual
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Installation Guide Remove wallplate Pull at bottom to remove thermostat from wallplate. HIPS PULL HERE Wallplate
Installation Guide Remove wallplate Pull at bottom to remove thermostat from wallplate. HIPS PULL HERE Wallplate
Owner's Manual
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Labels don't match? Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C If labels do not match letters on terminal. 2. Connect wires (typical installation) 1. Push any excess wire back into the wall opening. Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3.
Labels don't match? Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C If labels do not match letters on terminal. 2. Connect wires (typical installation) 1. Push any excess wire back into the wall opening. Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3.
Owner's Manual
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... help. 4 3 3 2 E Aux Y G O or or or or X W Y1 F X2 W1 M W2 If the old thermostat had W1, W2 and Y wires, contact a heating/ cooling contractor for help . Installation Guide Connect wires (less common wire designations) If labels do not match thermostat letters, check the chart at right (see notes, below). If another wire is attached...
... help. 4 3 3 2 E Aux Y G O or or or or X W Y1 F X2 W1 M W2 If the old thermostat had W1, W2 and Y wires, contact a heating/ cooling contractor for help . Installation Guide Connect wires (less common wire designations) If labels do not match thermostat letters, check the chart at right (see notes, below). If another wire is attached...
Owner's Manual
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RTH3100C Back of thermostat. Install batteries Install two fresh AA alkaline batteries in back of thermostat 13
RTH3100C Back of thermostat. Install batteries Install two fresh AA alkaline batteries in back of thermostat 13
Owner's Manual
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Installation Guide Mount thermostat and restore electrical power 1. Align the 4 tabs on the wallplate with corresponding slots on the back of the thermostat, then push gently until the thermostat snaps into the wall opening. Wallplate Thermostat 14 Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into place. 2.
Installation Guide Mount thermostat and restore electrical power 1. Align the 4 tabs on the wallplate with corresponding slots on the back of the thermostat, then push gently until the thermostat snaps into the wall opening. Wallplate Thermostat 14 Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into place. 2.
Owner's Manual
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In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system ... door is set higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are correctly installed (see page 13). Make sure the temperature is set lower than the Inside temperature. • Set system switch to Heat. Make sure the temperature is...
In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system ... door is set higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are correctly installed (see page 13). Make sure the temperature is set lower than the Inside temperature. • Set system switch to Heat. Make sure the temperature is...
