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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Your new thermostat has been designed for fast, easy installation. Install in the following pages. Use wire labels instead (see pages 15-18). Installation tips • Have everything you need ready to match your heating/cooling system (see page 7). 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 you 've never done it before...
Your new thermostat has been designed for fast, easy installation. Install in the following pages. Use wire labels instead (see pages 15-18). Installation tips • Have everything you need ready to match your heating/cooling system (see page 7). 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 you 've never done it before...
Owner's Manual
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Installation Guide Pre-installation checklist Required tools & supplies • No. 2 Phillips screwdriver • Small pocket screwdriver • Drill • Drill bit (3/16" for drywall, 7/32" for plaster) • Hammer • Pencil • Electrical tape • Level (optional) • Two fresh AA alkaline batteries
Installation Guide Pre-installation checklist Required tools & supplies • No. 2 Phillips screwdriver • Small pocket screwdriver • Drill • Drill bit (3/16" for drywall, 7/32" for plaster) • Hammer • Pencil • Electrical tape • Level (optional) • Two fresh AA alkaline batteries
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. Installation Guide Identify wires you will not use unconnected wires. Wrap the bare metal ends of each unused wire with electrical tape, so it cannot touch and short out other wires.
Do not use If any wires are not attached to terminals in your old thermostat, do not connect them to your new thermostat. Installation Guide Identify wires you will not use unconnected wires. Wrap the bare metal ends of each unused wire with electrical tape, so it cannot touch and short out other wires.
Owner's Manual
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HIPS PULL HERE Wallplate 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.
Owner's Manual
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Installation Guide Mount wallplate 1. Place wallplate over anchors and insert screws. Use hammer to tap anchors into holes until flush with wall. 3. Check level if desired, then tighten screws. 10 Drill holes at pencil-marked locations: 3/16" holes for drywall 7/32" holes for plaster 2.
Installation Guide Mount wallplate 1. Place wallplate over anchors and insert screws. Use hammer to tap anchors into holes until flush with wall. 3. Check level if desired, then tighten screws. 10 Drill holes at pencil-marked locations: 3/16" holes for drywall 7/32" holes for plaster 2.
Owner's Manual
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Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C Push any excess wire back into the wall opening. Connect wires (typical installation) 1. If labels do not match letters on terminal. 2. Labels don't match? Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3.
Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C Push any excess wire back into the wall opening. Connect wires (typical installation) 1. If labels do not match letters on terminal. 2. Labels don't match? Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3.
Owner's Manual
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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 ...
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 ...
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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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. Wallplate Thermostat 14 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.
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. Wallplate Thermostat 14 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.
Owner's Manual
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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
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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. 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
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 heating & cooling power switches are on . • Make sure furnace door is securely closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 13). Make sure the temperature is set lower than the Inside temperature. • Set system switch to Heat. Heating or cooling system does...
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 heating & cooling power switches are on . • Make sure furnace door is securely closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 13). Make sure the temperature is set lower than the Inside temperature. • Set system switch to Heat. Heating or cooling system does...
Owner's Manual
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...;C). • Cool: 50° to 99°F (10° to the compressor. Wait 5 minutes for the system to restart safely, without damage to 37°C). Installation Guide In case of difficulty Temperature settings do not change Make sure heating and cooling temperatures are set the temperature level below the current room...
...;C). • Cool: 50° to 99°F (10° to the compressor. Wait 5 minutes for the system to restart safely, without damage to 37°C). Installation Guide In case of difficulty Temperature settings do not change Make sure heating and cooling temperatures are set the temperature level below the current room...
Owner's Manual
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Installation Guide 1-year limited warranty Honeywell warrants this product, excluding battery, to be to repair or replace the product within the terms stated above. If the product is defective, (i) return it, ... ANY KIND, 22 This warranty does not cover removal or reinstallation costs. If at any time during the warranty period the product is shown by Honeywell that the defect or malfunction was in the workmanship or materials, under normal use and service, for a period of one (1) year from defects in the...
Installation Guide 1-year limited warranty Honeywell warrants this product, excluding battery, to be to repair or replace the product within the terms stated above. If the product is defective, (i) return it, ... ANY KIND, 22 This warranty does not cover removal or reinstallation costs. If at any time during the warranty period the product is shown by Honeywell that the defect or malfunction was in the workmanship or materials, under normal use and service, for a period of one (1) year from defects in the...