Honeywell Thermostat Th4210D User's Manual
Contents
1. Set SYSTEM switch to Em Heat and repeat steps 2 3 above Set SYSTEM switch to Cool and repeat steps 2 3 above Press and hold V A to terminate test at any time System Test System Status 10 Heating system 0 1 2 20 Emergency heat 0 1 2 30 Cooling system 0 1 Compressor and fan turn off Compressor and fan turn on Auxiliary heat turns on Heat and fan turn off Heat and fan turn on Auxiliary heat turns on Compressor and fan turn off Compressor and fan turn on 70 Thermostat 71 Software revision number major revisions information 72 Software revision number minor revisions for reference only 73 Configuration identification code major 74 Configuration identification code minor 75 Production configuration date code week 76 Production configuration date code year Compressor protection minimum off time is bypassed during testing To prevent CAUTION EQUIPMENT DAMAGE HAZARD equipment damage avoid cycling the compressor quickly PRO TH4210D Programmable Thermostat 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 temperature The thermostat then turns on the heating or cooling at just the right time to reach2. Low battery warning Adaptive Intelligent Recovery N Temperature setting Current inside temperature System status Inside Set To s Em Emergency heat on Recovery i E Aux Auxiliary heat on 2 Y Heat On Cool On Flashes when waiting f o m Current program period K l 5 3g AM Wake Leave Return Sleep N Em Aux for compressor restart Wake Heat Wed On Current day time 10 PRO TH4210D Programmable Thermostat In case of difficulty If you have difficulty with your thermostat please try the suggestions below Most problems can be corrected quickly and easily Display is blank Temperature settings do not change Heating system does not respond Heat appears on screen Cooling system does not respond Cool appears on screen Cool On or Heat On is flashing Heat On is not displayed Cool On is not displayed Check circuit breaker and reset if necessary Make sure heating amp cooling power switches are on Make sure equipment door is securely closed f battery powered make sure fresh AA alkaline batteries are installed Make sure heating and cooling temperatures are set to acceptable ranges e Heat 40 to 90 F 4 5 32 C Cool 50 to 99 F 10 to 37 C 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 heating equipment to find the cause
3. 22 gauge thermostat wire Shielded cable is not required CAUTION ELECTRICAL HAZARD Can cause electrical shock or equipment damage Wiring 1 Loosen screw terminals insert wires into terminal block then re tighten screws 2 Push excess wire back into the wall opening Keep wires in shaded area as shown at left 3 Plug the wall opening with non flammable insulation to prevent drafts from affecting thermostat operation Terminal Designations E Emergency heat relay Aux Auxiliary heat relay Y Compressor contactor G Fan relay Heat pump changeover valve energized in cooling L Heat pump reset R Power wire from secondary side of system transformer B Heat pump changeover valve energized in heating Common wire from secondary side of system transformer PRO TH4210D Programmable Thermostat Power supply Provide disconnect means and overload protection as required Optional 24 VAC common connection Use either O or B terminals for changeover valve L terminal is powered continuously when thermostat is set to Em Heat ao hb OND Install field jumper between E and Aux if there is no emergency heat relay L1 L2 HOT R HEAT CHANGEOVER VALVE RELAY COOL CHANGEOVER VALVE FAN RELAY COMPRESSOR CONTACTOR AUXILIARY HEAT RELAY EMERGENCY HEAT RELAY E Aux Y G O R BC A AA AA Installation Guide Power options
4. amp mounting Connect common side of transformer to terminal E Install batteries in back of thermostat optional if AC powered AC Power The thermostat can be powered by 24 VAC power or by batteries To wire the thermostat for AC power connect the common side of the transformer to the C terminal as shown at left 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 until the thermostat snaps in place PRO TH4210D Programmable Thermostat Installer setup Follow the procedure below to configure the thermostat to match the installed heating cooling system and customize feature operation as desired Press and hold both buttons System las Cool Off Heat Em Heat Function Setting number To begin press and hold the A and V Press V to change settings buttons until the display changes Press to advance to next function Press and hold V A to exit and s
5. of the problem Check for 24 Vac between the heat terminal Y and the transformer common 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 e 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 system to find the cause of the problem Check for loose or broken wires between the thermostat and the cooling equipment Compressor protection timeout is engaged Wait 5 minutes for the system to restart safely without damage to the compressor Set the System switch to Heat and set the temperature level above the current room temperature Set the System switch to Cool and set the temperature level below the current room temperature 11 Installation Guide Accessories eee Please contact your distributor to order accessories Cover plate assembly NS Part Number 50002883 001 Used to cover marks left by old thermostats Specifications Temperature Ranges Heat 40 to 90 F 4 5 to 32 C Cool 50 to 99 F 10 to 37 C Operating A
6. your scheduled temperature at your scheduled time For example Set the Wake time to 6 am and the temperature to 70 The heat will come on before 6 am so the temperature is 70 by the time you wake at 6 Built in compressor protection Setup Function 15 This feature helps prevent damage to the Inside Set To COMIPIESS OS f 2 ME Damage can occur if the compressor is started too soon after shutdown This feature 3 0 S forces the compressor to wait for a few min Make Wd Cool utes before restarting During the wait time the message Cool On or Heat On will flash on the display When the safe wait time has elapsed the message stops flashing and the compressor turns on Message flashes until safe restart time has elapsed Installation Guide Quick reference to controls Temperature adjustment Set Press to set time day schedule Hold Press to override programmed temperature control Run Press to resume program schedule System switch System Cool Thermostat controls only the cooling system ims Cool Off Heat Em Heat Heat Thermostat controls only the heating system Fan switch On Fan runs continuously Auto Fan runs only when heating or cooling system is on Em Heat Thermostat controls emergency and auxiliary heat Compressor is locked out Off Heating and cooling systems are off Quick reference to display screen
7. Installation Guide BIS v SET HOLD RUN Retum NU CJ n Fan System CB X Es Auto Cool Heat Em Heat 4 69 1763 Product Application This thermostat provides electronic control of 24 VAC heat pump systems with aux heat 2 heat 1 cool Power Type Battery power Common wire Common wire with battery backup System Settings Heat Off Cool Em Heat Fan Settings e Auto On Must be installed by a trained experienced technician Read these instructions carefully Failure to 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 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 place the old control in the trash Contact your local waste management authority for instructions regarding recycling and proper disposal U S Registered Trademark Patents pending Copyright 2005 Honeywell International Inc rights reserved PRO TH4210D Programmable Thermostat Installation Pre installation checklist Installer Setup B
8. allation Grasp top and bottom of wallplate and pull to remove from thermostat 000000000 ET TET TET TET TET T DET TET a Drill 3 16 holes for drywall Drill 7 32 holes for plaster v ES a Wall anchors Remove the wallplate from the ther mostat as shown at left then follow directions below for mounting Pull wires through wire hole Position wallplate on wall level and mark hole positions with pencil Drill holes at marked positions as shown below then tap in supplied wall anchors Place wallplate over anchors insert and tighten mounting screws Insert quick reference card in slot in front of wall plate Wire hole Insert quick reference card after wallplate is mounted see mounting instructions below Mounting screws R LEVEL HERE hy NI GGG zB Installation Guide Disconnect power before wiring Keep wires in this shaded area SEODSSHES Terminal block NOTES 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 thermostat is set to Em Heat Wire specifications Use 18 to
9. attery installation Thermostat mounting Installer setup Installer system test Installation tips Appendices Adaptive Intelligent Recovery 9 Compressor protection 9 Quick reference to controls 10 Quick reference to display 10 In case of difficulty 11 ACCESSOTIES cereo rere 12 Specifications eec 12 Install the thermostat about 5 feet 1 5m above the floor in an area with good air circulation at average temperature Do not install in locations where the thermostat can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Sunlight or radiant heat from appliances Concealed pipes or chimneys Unheated uncooled areas such as an outside wall behind the thermostat Installation Guide Pre installation checklist Package contents Check to make sure your package includes the following items PRO 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 amp 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 PRO TH4210D Programmable Thermostat allplate inst
10. ave settings Setup Function Settings amp Options 6 Auxiliary heat 5 For gas or oil furnaces of less than 90 efficiency cycle rate 1 For steam or gravity systems CPH cycles hour 3 For hot water systems amp furnaces of over 90 efficiency 9 For electric furnaces Other cycle rate options 2 4 6 7 8 10 11 or 12 CPH 8 Emergency heat 9 For electric emergency heat cycle rate CPH 1 For steam or gravity systems 3 For hot water systems amp 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 11 or 12 CPH 9 Compressor 3 Recommended for most compressors cycle rate CPH Other cycle rate options 1 2 4 5 or 6 CPH 13 Adaptive Intelligent 1 On See page 9 Recovery 0 Off 14 Temperature O Fahrenheit display 1 Celsius 15 Compressor 5 Five minute compressor off time page 9 protection Installer system test Other options 0 1 2 3 or 4 minute off time After completing the installer setup above press the button again to begin a system test see next page Installation Guide Installer system test Follow the procedure below to test the heating and cooling system Honeywell System Imc Cool Off Heat Em Heat System test System status pem Gg 2 Test System switch anak wn Set SYSTEM switch to Heat Press V to turn on and check systems see table below Press V until systems turn off
11. mbient Temperature 32 to 120 F 0 to 48 9 C Shipping Temperature 202 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 e 97mmH x 137 mm W x 32 mm D Electrical Ratings System Voltage 50 60Hz Running Current Heat 1 stage 20 30 Vac 0 02 1 0 A Emergency heat 20 30 Vac 0 02 1 0 Auxiliary heat 20 30 Vac 0 02 1 0A Cooling 20 30 Vac 0 02 1 0A Automation and Control Solutions Honeywell International Inc Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 http yourhome honeywell com Printed in U S A on recycled ck paper containing at least 10 oO n eywe post consumer paper fibers U S Registered Trademark 2005 Honeywell International Inc Patents pending All rights reserved 69 1763 06 2005
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