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PRO TH3210D Non-programmable Digital Thermostat

9

Inside

Set To

75

75

Em   Aux

Heat On

°

°

Replace Batt

Quick reference to display screen

Current inside temperature 

Low battery warning 

Temperature setting

System status 
Em:

Emergency heat on

Aux:

Auxiliary heat on

Heat On/Cool On:

(Flashes when waiting
for compressor restart)

Quick reference to controls

Digital display screen

Temperature buttons

Press to adjust temperature 
settings 

System switch

Cool:

Thermostat controls only

the cooling system.

Heat:

Thermostat controls only

the heating system.

Off:

Heating and cooling 

systems are off.

Em Heat:

Thermostat controls

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.

Inside

Set To

75

75

Cool On

°

°

Built-in compressor protection (Setup Function 15)

This feature helps prevent damage to the
compressor.

Damage can occur if the compressor is re-
started too soon after shutdown.This feature
forces the compressor to wait for a few min-
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

Summary of Contents for PRO TH3210D

Page 1: ...Installation Guide TH3210D Non programmable Digital Thermostat ...

Page 2: ... Check the ratings in this booklet to verify that this product is suitable for your application see page 11 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 not place ...

Page 3: ...aled pipes or chimneys Unheated uncooled areas such as an outside wall behind the thermostat NO NO NO Table of contents Installation tips 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...

Page 4: ...ing items PRO TH3210D digital thermostat wallplate attached to back Operating manual Wall anchors and mounting screws 2 each AA alkaline batteries 2 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: ...allplate on wall level and mark hole positions with pencil 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 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 ...

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: ...ns and 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: ... transformer to C terminal 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 to the display during power interruptions 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...

Page 9: ...er cycle rate options 2 4 6 7 8 10 11 or 12 CPH 3 Recommended for 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 9 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 ...

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: ...ing system Off Heating and cooling systems are off Em Heat Thermostat controls 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 Inside Set To 75 75 Cool On Built in compressor protection Setup Function 15 This feature helps prevent damage to the compressor Damage can occur if the compressor is re start...

Page 12: ...c 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 equipment to ...

Page 13: ...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 Heat 1st stage 20 30 Vac 0 02 1 0 A Emergency heat 20 30 Vac 0 02 1 0 A Aux...

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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 1775 06 2005 Honeywell Limited Honeywell Limitée 35 Dynamic Drive Scarborough Ontario M1V 4Z9 ...

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