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VisionPRO

®

 TH8000 Series

Touch-screen Programmable Thermostat

® U.S. Registered Trademark.  

US Patent No. 6595430, D509151 and other patents pending.  

Copyright © 2011 Honeywell International Inc.  

All rights reserved.

Installation 

Guide

69-2389-03

This manual covers the following models

• 

TH8321U1097:

 For up to 3 Heat/2 Cool heat pump or up to 2 Heat/2 Cool 

conventional systems with dehumidification, humidification, or ventilation

(Pull thermostat from wallplate and turn over to find model number)

Need Help?

For assistance with this product please visit 

http://customer.honeywell.com

 

or call Honeywell Customer Care toll-free at 

1-800-468-1502

This thermostat contains a Lithium battery which may contain Perchlorate material.

Perchlorate Material—special handling may apply,  

See www.dtsc.ca.gov/hazardouswaste/perchlorate

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 disposal.

CAUTION: ELECTRICAL HAZARD

Can cause electrical shock or equipment damage. Disconnect power before  

beginning installation.

Must be installed by a trained, experienced technician

•  Read these instructions carefully. Failure to follow these instructions  

can damage the product or cause a hazardous condition.

Summary of Contents for VisionPRO TH8000 Series

Page 1: ...call Honeywell Customer Care toll free at 1 800 468 1502 This thermostat contains a Lithium battery which may contain Perchlorate material Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate 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 manage...

Page 2: ... Wallplate installation 1 Separate wallplate from thermostat 2 Mount wallplate as shown below 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 Wire hole Mounting screws ...

Page 3: ...t relay W2 2nd stage heat relay Y 1st stage compressor contactor Y2 2nd stage compressor contactor G Fan relay S1 S2 Optional outdoor remote discharge sensor U1 U1 Optional IAQ device Heat Pump Terminal Letters R System power Connect to secondary side of system transformer C Common wire from secondary side of system transformer Y 1st stage compressor contactor Y2 2nd stage compressor contactor E A...

Page 4: ... outdoor remote discharge sensor U1 U1 Optional IAQ relay 2H 2C System 1 transformer Y2 Cool relay 2 W2 Heat relay 2 R Power 1 6 W Heat relay 1 Y Cool relay 1 G Fan relay C 24VAC common 2 S1 S2 Optional outdoor remote discharge sensor U1 U1 Optional IAQ relay Heat Only System With Fan R Power 1 6 W Heat relay G Fan relay C 24VAC common 2 S1 S2 Optional outdoor remote discharge sensor U1 U1 Optiona...

Page 5: ...or any humidifier with its own transformer R Power 1 U1 Humidifier relay 7 U1 Humidifier relay 7 Bypass flow through humidifier or any humidifier that uses the system trans former R Power 1 U1 Field jumper R to U1 7 U1 Humidifier relay 7 Whole house dehumidifier R Power 1 U1 Dehumidifier relay 7 U1 Dehumidifier relay 7 A C with low speed fan R Power 1 U1 Field jumper R to U1 7 U1 Dehumidifier rela...

Page 6: ...ermostat Set date and time Press st to set time Press st to set date Press st to set month Press st to set year Installer setup Press DONE to save changes Press DONE to save and exit SCHED HOLD TUE FAN AUTO Inside 70 aM 6 00 SYSTEM HEAT DONE 20 0120 DONE CANCEL aM 6 00 SYSTEM HEAT MCR29745 DONE 20 0120 1 Press SYSTEM Press DONE to save exit 2 Press and hold for 5 seconds 3 Change settings see p 7 ...

Page 7: ...ing fan 0190 Changeover valve O B terminal 0 O B terminal controls valve in cooling 1 O B terminal controls valve in heating 0200 Auxiliary heat 0 Electric backup heat 1 Fossil fuel backup heat 0210 External fossil fuel kit 1 External fossil fuel kit controls backup heat 0 Thermostat controls backup heat outdoor sensor required 0220 1st stage com pressor cycle rate 3 Recommended for most compresso...

Page 8: ...s 0347 Droop temperature 2 2 F 1 C Other options 2 5 2 F to 5 F 1 C to 2 5 C 0350 Heat pump compressor lockout 0 No heat pump compressor lockout Other options 5 60 F 15 C to 15 5 C See page 11 0360 Heat pump auxiliary lockout 0 No heat pump auxiliary lockout Other options 5 65 F 15 C to 18 5 C See page 11 0371 Indoor Air Quality de vice on U1 U1 0 None 1 Humidification 2 Dehumidification 3 Ventila...

Page 9: ...limit Other options 30 to 60 or 100 P Meets ASHRAE 62 2 standard F Does not meet ASHRAE 62 2 standard 0405 Ventilation fan action 1 Ventilation on forces fan on 2 Ventilation does not force fan on 0430 Ventilation lockout 0 Off 1 Lockout for high temperatures See page 11 2 Lockout for low temperatures See page 11 3 Lockout for high and low temperatures See page 11 0431 Ventilation high tem peratur...

Page 10: ...an timer heat 0 Off Other options Fan runs for 30 60 90 or 120 seconds after call for heat ends 0660 Extended fan timer cool 0 Off Other options Fan runs for 30 60 90 or 120 seconds after call for cool ends 0670 Keypad lock 0 Keypad unlocked fully functional 1 Partially locked access to temperature settings only 2 Fully locked 0680 Heat temperature control 2 Standard temperature control recommende...

Page 11: ... to dehumidification the U1 U1 relay can be set to control dehumidification Heat Pump Control Electric Backup Setup Functions 0350 0360 If an outdoor temperature sensor is installed select a compressor lockout temperature Function 0350 Below this temperature only electric heat operates Also select an auxiliary lockout temperature Function 0360 Above this temperature only the compressor operates Be...

Page 12: ...60Hz Running Current W Heating 20 30 Vac 0 02 1 0 A Powerpile 750 mV DC 100 mA DC W2 Heating 20 30 Vac 0 02 0 6 A Y Cooling 20 30 Vac 0 02 1 0 A Y2 Cooling 20 30 Vac 0 02 0 6 A E Aux Auxiliary Emergency heat 20 30 Vac 0 02 1 0 A O B Changeover 20 30 Vac 0 02 0 6 A L Heat pump reset 20 30 Vac 0 02 0 6 A U1 U1 IAQ relay 20 30 Vac 20 30 Vac 0 02 0 6 A Specifications Please contact your distributor to...

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