Owner's Manual
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... proper disposal. Copyright © 2006 Honeywell International Inc. Patents pending. CAUTION: ELECTRICAL HAZARD Turn off power at 1-800-468-1502 Read and save these instructions. ® U.S. MERCURY NOTICE If this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at the furnace or the fuse/circuit breaker panel before you begin. Need Help? All rights reserved.
... proper disposal. Copyright © 2006 Honeywell International Inc. Patents pending. CAUTION: ELECTRICAL HAZARD Turn off power at 1-800-468-1502 Read and save these instructions. ® U.S. MERCURY NOTICE If this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at the furnace or the fuse/circuit breaker panel before you begin. Need Help? All rights reserved.
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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... page 7). Installation Guide Installation is easy - Install in the following pages. Use wire labels instead (see pages 15-18). even if you begin (see pages 3-4). • Do not use wire color as a 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...
... page 7). Installation Guide Installation is easy - Install in the following pages. Use wire labels instead (see pages 15-18). even if you begin (see pages 3-4). • Do not use wire color as a 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...
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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Turn off power at heating/cooling system (or fuse/circuit-breaker panel). 2. Is there a sealed tube containing mercury? If so, see inside front cover of this manual for proper disposal instructions. Remove your old thermostat 1. RTH3100C Leave wallplate in place. Remove cover and thermostat, but leave wallplate with wires attached. Old thermostat Cover
Turn off power at heating/cooling system (or fuse/circuit-breaker panel). 2. Is there a sealed tube containing mercury? If so, see inside front cover of this manual for proper disposal instructions. Remove your old thermostat 1. RTH3100C Leave wallplate in place. Remove cover and thermostat, but leave wallplate with wires attached. Old thermostat Cover
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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Wrap supplied labels securely around each wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after all wires are labeled. Do not let wires fall into wall opening . As you disconnect each wire. E IGNORE WIRE COLORS: Use only letter designations to disconnect wires one by one. Be careful not to let loose wires fall into the wall opening ! RTH3100C Label wires and remove old wallplate Use a screwdriver to identify wire types. Aux O
Wrap supplied labels securely around each wire, wrap it with the label matching the letter on your old thermostat. (Adhesive labels are supplied in your thermostat package.) Remove the old wallplate only after all wires are labeled. Do not let wires fall into wall opening . As you disconnect each wire. E IGNORE WIRE COLORS: Use only letter designations to disconnect wires one by one. Be careful not to let loose wires fall into the wall opening ! RTH3100C Label wires and remove old wallplate Use a screwdriver to identify wire types. Aux O
Owner's Manual
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Connect wires (typical installation) 1. Labels don't match? Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3. Push any excess wire back into the wall opening. If labels do not match letters on terminal. 2.
Connect wires (typical installation) 1. Labels don't match? Match each labeled wire with same letter on thermostat, see next page. 11 RTH3100C Use a screwdriver to loosen screw terminals, insert wires, then tighten screws. 3. Push any excess wire back into the wall opening. If labels do not match letters on terminal. 2.
Owner's Manual
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... If the old thermostat had both O and B wires, attach the B wire to connect terminals E and Aux. 1 2 2 LR B C or or or or FV H B VR X LRBC 12 If the old thermostat had W1, W2 and Y wires, contact a heating/ cooling contractor for help . If the old thermostat had both V and VR wires, contact a heating/ cooling contractor for help . E Aux Y G O If no wire matches the E terminal on the new thermostat, use a small piece of wire to the C terminal. Installation Guide Connect wires (less common wire designations...
... If the old thermostat had both O and B wires, attach the B wire to connect terminals E and Aux. 1 2 2 LR B C or or or or FV H B VR X LRBC 12 If the old thermostat had W1, W2 and Y wires, contact a heating/ cooling contractor for help . If the old thermostat had both V and VR wires, contact a heating/ cooling contractor for help . E Aux Y G O If no wire matches the E terminal on the new thermostat, use a small piece of wire to the C terminal. Installation Guide Connect wires (less common wire designations...
Owner's Manual
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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 RTH3100C Back of thermostat.
Owner's Manual
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Installation Guide Mount thermostat and restore electrical power 1. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into place. 2. 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. Wallplate Thermostat 14
Installation Guide Mount thermostat and restore electrical power 1. TIP: If wires interfere when you try to mount the thermostat, push excess wire back into place. 2. 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. Wallplate Thermostat 14
Owner's Manual
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Function number 6 Setting Setup 5 To begin, press and hold ts to exit and save settings. 15 Press s to advance to enter system setup. Press and hold the s and t buttons until the display changes. Press and hold the s and t buttons to next function. RTH3100C System setup (set thermostat to match your system) Next, you must set the thermostat to change settings. Press t to control the heating and cooling system in your home.
Function number 6 Setting Setup 5 To begin, press and hold ts to exit and save settings. 15 Press s to advance to enter system setup. Press and hold the s and t buttons until the display changes. Press and hold the s and t buttons to next function. RTH3100C System setup (set thermostat to match your system) Next, you must set the thermostat to change settings. Press t to control the heating and cooling system in your home.
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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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.
Owner's Manual
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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.
Owner's Manual
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... 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). Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed . • Wait 5 minutes for the system to Heat. In case of difficulty RTH3100C...
... 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). Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed . • Wait 5 minutes for the system to Heat. In case of difficulty RTH3100C...
Owner's Manual
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... not displayed "Cool On" is engaged. 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 temperature. 20 "Cool On" or "Heat On" is flashing • Compressor protection feature is not displayed • Set the System switch to Heat, and set the temperature level above the current room temperature. • Set the System switch to Cool, and set to acceptable ranges: • Heat: 40...
... not displayed "Cool On" is engaged. 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 temperature. 20 "Cool On" or "Heat On" is flashing • Compressor protection feature is not displayed • Set the System switch to Heat, and set the temperature level above the current room temperature. • Set the System switch to Cool, and set to acceptable ranges: • Heat: 40...
Owner's Manual
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Turn thermostat over to cover marks left by old thermostats. 21 To save time, please note your model number and date code before calling. Accessories/replacement parts To order, please call Honeywell Customer Care toll-free at 1-800-468-1502. RTH3100C For assistance with this product, please visit http://yourhome.honeywell.com. Cover plate Part No. 50002883-001 *Use to find model number and date code. Or call Honeywell Customer Care toll-free at 1-800-468-1502. Customer assistance Pull at bottom to remove thermostat from wallplate.
Turn thermostat over to cover marks left by old thermostats. 21 To save time, please note your model number and date code before calling. Accessories/replacement parts To order, please call Honeywell Customer Care toll-free at 1-800-468-1502. RTH3100C For assistance with this product, please visit http://yourhome.honeywell.com. Cover plate Part No. 50002883-001 *Use to find model number and date code. Or call Honeywell Customer Care toll-free at 1-800-468-1502. Customer assistance Pull at bottom to remove thermostat from wallplate.
Owner's Manual
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... materials, under normal use and service, for a period of one (1) year from which occurred while the product was caused by the consumer. This warranty does not cover removal or reinstallation costs. Honeywell's sole responsibility shall be to repair or replace the product within the terms stated above. Installation Guide 1-year limited warranty Honeywell warrants this product, excluding battery, to be free from defects in...
... materials, under normal use and service, for a period of one (1) year from which occurred while the product was caused by the consumer. This warranty does not cover removal or reinstallation costs. Honeywell's sole responsibility shall be to repair or replace the product within the terms stated above. Installation Guide 1-year limited warranty Honeywell warrants this product, excluding battery, to be free from defects in...