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Installation
Guide

TH4110B

Programmable Thermostat

Summary of Contents for PRO TH4110B

Page 1: ...Installation Guide TH4110B Programmable Thermostat ...

Page 2: ...o follow these instructions can dam age the product or cause a hazardous condition Check the ratings in this booklet to verify that this product is suitable for your application see page 12 Always test for proper operation after installation see pages 8 9 CAUTION ELECTRICAL HAZARD Can cause electrical shock or equipment damage Disconnect power before beginning installation MERCURY NOTICE If this p...

Page 3: ...ys Unheated uncooled areas such as an outside wall behind the thermostat NO NO NO I In ns st ta al ll la at ti io on n Pre installation checklist 2 Wallplate installation 3 Wiring 4 Wiring diagrams 5 I In ns st ta al ll le er r S Se et tu up p Fan operation settings 6 Battery installation 7 Thermostat mounting 7 Installer setup 8 Installer system test 9 A Ap pp pe en nd di ic ce es s Quick referen...

Page 4: ...perating manual Wall anchors and mounting screws 2 each AA alkaline batteries 2 Quick reference card PRO TH4110B digital thermostat wallplate attached to back 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 ...

Page 5: ...ed positions as shown below then tap in supplied wall anchors 4 Place wallplate over anchors insert and tighten mounting screws 5 Insert quick reference card in slot in front of wall plate Grasp top and bottom of wallplate and pull to remove from thermostat Drill 3 16 holes for drywall Drill 7 32 holes for plaster Wall anchors Mounting screws Wire hole Wallplate installation Insert quick reference...

Page 6: ...secondary side of cooling system transformer R R Heating power Connect to secondary side of heating system transformer B B Heat pump changeover valve energized in heating Terminal block NOTES R Rc terminals In single transformer system leave metal jumper in place between R Rc Remove metal jumper if two transformer system Heat pump systems If wiring to a heat pump use a small piece of wire not supp...

Page 7: ...lled jumper Remove for 2 transformer systems only Use either O or B terminals for changeover valve Use a small piece of wire not supplied to connect W and Y terminals Set fan operation switch to Heat Pump see page 6 and configure for heat pump see pg 8 Remove jumper Wiring diagrams Typical 1H 1C heat pump system Typical heat only system Typical heat only system with fan Typical cool only system ...

Page 8: ...stems that control the fan in a call for heat E El le ec ct tr ri ic c o or r H He ea at t P Pu um mp p Change the switch to this setting for heat pump or electric heat systems This setting is for systems that allow the thermostat to control the fan in a call for heat if a fan wire is connected to the G G terminal Set fan operation switch Fan operation settings ...

Page 9: ...E E B BA AT TT T warning begins flashing see page 10 The warning flashes about two months before batteries are depleted Even if the warning does not appear Batteries should be replaced once a year or before the home is left vacant for more than a month Battery installation Align the 4 tabs on the wallplate with corresponding slots on the back of the thermostat then push gently until the thermostat...

Page 10: ...most compressors Other cycle rate options 1 2 4 5 or 6 CPH 0 Fahrenheit 1 Celsius 5 Five minute compressor off time See page 10 Other options 0 1 2 3 or 4 minute off time Setup Function Settings Options To begin press and hold the and buttons until the display changes Function number Press to change settings Press to advance to next function Press and hold to exit and save settings Setting Install...

Page 11: ...tem Status Installer system test CAUTION EQUIPMENT DAMAGE HAZARD Compressor protection minimum off time is bypassed during testing To prevent equipment damage avoid cycling the compressor quickly System switch 1 Set S SY YS ST TE EM M switch to Cool 2 Press to turn on cooling system then check system status see table below 3 Press to turn off cooling system 4 Set S SY YS ST TE EM M switch to Heat ...

Page 12: ...etup Function 15 This feature helps prevent damage to the compressor in the air conditioning or heat pump system Damage can occur if the compressor is re started too soon after shutdown This feature forces the compressor to wait for a few minutes before restarting During the wait time the message Cool On or Heat On if you have a heat pump will flash on the display When the safe wait time has elaps...

Page 13: ...uipment Cooling system does not respond Cool On appears on screen Check for 24 Vac at the equipment on the secondary side of the trans former between power and common If voltage is not present check the cooling equipment to find the cause of the problem Check for 24 Vac between the cooling terminal Y and the transformer common If 24 Vac is present the thermostat is functional Check the cooling sys...

Page 14: ... 90 F 4 5 to 32 C Cool 50 to 99 F 10 to 37 C Operating Ambient Temperature 32 to 120 F 0 to 48 9 C Shipping Temperature 20 to 120 F 28 9 to 48 9 C Operating Relative Humidity 5 to 90 non condensing Physical Dimensions 3 13 16 H x 5 3 8 W x 1 1 4 D 97 mm H x 137 mm W x 32 mm D Electrical Ratings System Voltage 50 60Hz Running Current Heating 20 30 Vac 0 02 1 0 A Powerpile 750 mV DC 100 mA DC Coolin...

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Page 16: ...tomation and Control Solutions Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers U S Registered Trademark 2005 Honeywell International Inc Patents pending All rights reserved 69 1769 02 2005 ...

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