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Installation
Guide

TH4210D

Programmable Thermostat

Summary of Contents for PRO TH4210D

Page 1: ...Installation Guide TH4210D Programmable Thermostat ...

Page 2: ...er operation after installation see pages 7 8 CAUTION ELECTRICAL HAZARD Can cause electrical shock or equipment damage Disconnect power before beginning installation MERCURY NOTICE If this product is replacing a control that contains mercury in a sealed tube do not place the old control in the trash Contact your local waste management authority for instructions regarding recycling and proper dispo...

Page 3: ...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 Battery installation 6 Thermostat mounting 6 Installer setup 7 Installer system test 7 A Ap pp pe en nd di ic ce es s Adaptive Intelligent Recovery 9 Compresso...

Page 4: ...RO TH4210D digital thermostat wallplate attached to back Operating manual Wall anchors and mounting screws 2 each AA alkaline batteries 2 Quick reference card 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: ...l 3 Drill holes at marked 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 Insert quick reference...

Page 6: ...valve energized in cooling L L Heat pump reset R R Power wire from secondary side of system transformer B B Heat pump changeover valve energized in heating C C Common wire from secondary side of system transformer Terminal block NOTES C terminal The C common wire terminal is optional when thermostat is powered by batteries L terminal Heat pump reset L terminal is powered con tinuously when thermos...

Page 7: ... overload protection as required 2 Optional 24 VAC common connection 3 Use either O or B terminals for changeover valve 4 L terminal is powered continuously when thermostat is set to Em Heat 5 Install field jumper between E and Aux if there is no emergency heat relay Wiring diagram ...

Page 8: ...al Install batteries in back of thermostat optional if AC powered Battery Power The thermostat can be powered by batteries alone or if used with AC power can provide backup power During power interruptions the batteries will save time day settings and power the display To Mount Thermostat Align the 4 tabs on the wallplate with corresponding slots on the back of the thermostat then push gently unti...

Page 9: ...ces 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 Other cycle rate options 2 4 6 7 8 10 11 or 12 CPH 9 For electric emergency heat 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 Other cycle rate options 2 4 6 7 8 10 1...

Page 10: ...or 75 Production configuration date code week 76 Production configuration date code year System Test System 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 System test number System status Follow the procedure below to test the heating and co...

Page 11: ... Cool On Message flashes until safe restart time has elapsed Wake Wed Adaptive Intelligent Recovery Setup Function 13 Adaptive Intelligent Recovery eliminates guesswork when setting your schedule It allows the thermostat to learn how long your furnace and air conditioner take to reach the temperature you want Just set your program schedule to the time you want the house to reach your desired tempe...

Page 12: ...s emergency and auxiliary heat Compressor is locked out Fan switch On Fan runs continuously Auto Fan runs only when heating or cooling system is on Temperature adjustment Inside Set To 75 6 30 AM 75 Wake Em Aux Heat On Replace Batt Recovery Quick reference to display screen Current inside temperature Low battery warning Adaptive Intelligent Recovery Current program period Wake Leave Return Sleep T...

Page 13: ...If 24 Vac is present the thermostat is functional Check the heating equipment to find the cause of the problem Check for loose or broken wires between the thermostat and the heating equipment 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 equip...

Page 14: ...0 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 Heat 1st stage 20 30 Vac 0 02 1 0 A Emergency heat 20 30 Vac 0 02 1 0 A Auxiliary heat 20...

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Page 16: ...utomation and Control Solutions 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 1763 06 2005 Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 ...

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