Honeywell VisionPRO TH8000 Series Installation Guide
- June 7, 2024
- Honeywell
Table of Contents
- Honeywell VisionPRO TH8000 Series Installation Guide
- VisionPRO® TH8000 Series
- Wallplate installation
- Power options
- Wiring
- Terminal Designations
- Wiring
- Remove tab and mount thermostat
- Set date and time
- Installer setup
- Installer setup
- Installer system test
- Installer system test
- Special functions
- Accessories & replacement parts
- Please contact your distributor to order replacement parts.
Honeywell VisionPRO TH8000 Series Installation Guide
VisionPRO® TH8000 Series
Touch-screen Programmable Thermostat
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)
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.
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 disposal.
This thermostat contains a Lithium battery which may contain Perchlorate
material.
Perchlorate Material—special handling may apply, See
www.dtsc.ca.gov/hazardouswaste/perchlorate.
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
Wallplate installation
Power options
Wiring
Terminal Designations
Conventional Terminal Letters:
R System power. Connect to secondary side of system transformer.
C Common wire from secondary side of transformer.
W 1st stage heat 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/Aux Auxiliary/Emergency heat relay. G Fan relay.
L Heat pump reset (powered continuously when System is set to Em Heat;
system monitor when set to Heat, Cool or Off).
O/B Changeover valve for heat pumps.
S1/S2 Optional outdoor/remote/discharge sensor.
U1/U1 Optional IAQ device.
Wiring
See [notes] below
[1] Power supply. Provide disconnect means and overload protection as
required.
[2] Optional 24VAC common connection.
[6] Only works with single transformer systems.
See [notes] below
[1] Power supply. Provide disconnect means and overload protection as
required.
[2] Optional 24VAC common connection.
[3] O/B set to control as either O or B in installer setup.
[4] If L terminal is used, 24VAC common (terminal C) must be connected.
[5] Heat pump reset (powered continuously when thermostat is set to Em. Heat;
system monitor when set to Heat, Cool, or Off).
[7] Terminals are normally open dry contacts.
[8] Equipment must include dehumidification terminal for low-speed fan.
Remove tab and mount thermostat
Set date and time
Installer setup
Installer setup
Setup f
0120
| unctions
Year
(first two digits)
| Settings & Options (factory default in bold )
20 ( 20 00- 20 99)
21 ( 21 01- 21 78)
---|---|---
0130| Year
(second two digits)
| 10 (20 10 ) [Other options: 00-99]
0140| Month| 6 [Other options: 1-12]
0150| Date| 15 [Other options: 1-31]
0160| Schedule format| 4 7-day programming
0 Non-programmable
0165| Restore energy saving| 0 No
1 Yes
0170| System type| 1 1 heat/1 cool conventional
2 1 heat/1 cool heat pump (no aux. heat)
3 Heat only (2-wire systems)
4 Heat only with fan
5 Hot water Series 20 system (power to open & close zone valves/normally open zone valves)
6 Cool only
7 2 heat/1 cool heat pump (with aux. heat)
8 2 heat/2 cool multistage conventional
9 2 heat/1 cool multistage conventional
10 1 heat/2 cool multistage conventional
11 2 heat/2 cool heat pump (no aux. heat)
12 3 heat/2 cool heat pump (with aux. heat)
0173| Heat Pump Type| 0 Air to Air heat pump
1 Geothermal heat pump
0180| Fan control (heating)| 0 Gas/Oil heat (equipment controls heating fan)
1 Electric furnace (thermostat controls heating 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 compressors [Other options: 1, 2, 4, 5 or 6 CPH]
0230| 2nd stage com- pressor cycle rate| 3 Recommended
for most compressors [Other options: 1, 2, 4, 5 or 6 CPH]
0240| 1st stage heat cycle rate (CPH= cycles per hour)| 5
Gas or oil furnaces of less than 90% efficiency
1 Steam or gravity systems
3 Hot water systems & furnaces of 90%+ efficiency
9 Electric furnaces
[Other options: 2, 4, 6, 7, 8, 10, 11, 12 CPH]
0250| 2nd stage heat cycle rate (CPH)| 5 Gas or oil
furnaces of less than 90% efficiency
1 Steam or gravity systems
3 Hot water systems & furnaces of 90%+ efficiency
9 Electric furnaces
[Other options: 2, 4, 6, 7, 8, 10, 11, 12 CPH]
0260| 3rd stage heat cycle rate (CPH)| 9 Electric
auxiliary heat or electric furnaces
1 Steam or gravity systems
3 Hot water systems & furnaces of 90%+ efficiency
5 Gas or oil furnaces of less than 90% efficiency [Other options: 2, 4, 6, 7, 8, 10, 11, 12 CPH]
Setup f
0280
| unctions
Backlight
| Settings & Options (factory default in bold )
0 Backlight on for approx. 8 seconds after keypress
1 Backlight always on low intensity, full bright after keypress (requires 24VAC connection)
---|---|---
0300| Manual/Auto changeover| 0 Manual changeover
(Heat/Cool/Off)
1 Automatic changeover (Heat/Cool/Auto/Off)
0310| Auto changeover deadband| 3 Heat/cool temperature
3°F apart (1.5°C) See page 11 [Other options: 2-9 (2°F to 9°F/1°C to
5°C)]
0320| Temperature display| 0 Fahrenheit**
1 Celsius
0330| Daylight savings| 2 Auto-change to daylight saving time
0 Daylight saving time is turned off
0340| Remote sensor| 0 No remote sensor
1 Outdoor sensor (display only)
2 Outdoor sensor for control (select lockouts and frost protec- tion) ** See page 11
3 Indoor sensor
4 Discharge air sensor (Required for Desert humidity control)
** See page 11
0345| Dual Fuel Heat Pump Control | 1 Droop Control**
0 No droop control
2 Droop control with aux heat lockout
0346| Dual fuel heat pump upstage to furnace timer | 1 1 hour**
0 Off
[Other options: 0.5, 1.5, 2-6, 8, 10, 12, 14, 16 hours]
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 Ventilation
0372| Humidification Control| 0 Off
1 Humidify with no frost protection
3 Humidify with frost protection
8 Desert humidity control in heat, off, or cool; DATS required
0374| Hum fan action| 0 Humidify only while fan is on
1 Humidifier forces fan on
2 Humidify only when heat it on
3 Humidifier operates independent of fan
0379| Dehumidification Control| 0 None
1 Air conditioning with low speed fan
3 Whole house dehumidification
0380| Dehumidify with air conditioner| 0 No dehumidification control
1 Thermostat controls dehumidification with air conditioner high speed fan ** See page 11
0383| Over cooling limit| 3 3°F (1.5°C) [Other options: 1-2
(1°F to 2°F/.5°C to 1°C)]
0384| Dehumidification fan control| 0 Fan turns on with
dehumidifier
1 Dehumidifier operates independent of fan
0386| Whole house dehumid- ification lockout| 0 Off ** See pages 11–12
1 On Continued on next page
Setup f
0390
| unctions
Dehumidification Away Mode
| Settings & Options (factory default in bold )
0 No
1 Yes
---|---|---
0391| Dehumidification Away Mode Fan Setting| 0 Fan
auto
1 Fan on
2 Fan circulate
0392| Dehum. Away Mode Low Limit Temperature Setting| 76
Low limit temperature 76°F (24°C) [Other options: 70°F to 80°F (21°C to
27°C)]
0393| Dehum. away mode temp. setting| 85 Low limit away
temperature 85°F (29°C) [Other options: 70°F to 99°F (21°C to 37°C)]
0394| Dehum. Away Mode Dehum. Setting| 65 Away humidity level
65% [Other options: 40% to 70%]
0400| Ventilation control| 0 No ventilation
1 Vent on during all periods
2 Vent off during sleep period
3 Vent on during all periods with lockouts
4 Vent off during sleep period with lockouts
0401| Number of bedrooms| 2 Two bedrooms [Other options: 1
to 6]
0402| Size of home| 10 1,000 square feet} [Other options:
11 to 50 (1,100 to 5,000 square feet)]
0403| Ventilation level| 160 CFM (cubic feet per minute)
[Other options: (30 to 195 CFM)]
0404| Max. ventilation limit| 50 50% ventilation
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- perature lockout| 100 100°F
(38°C): Settings 5°F apart (3°C) [Other options: (90°F to 110°F/32°C to
43.5°C)]
0432| Ventilation low tem- perature lockout| -10 -10°F
(-23.5°C): Settings 5°F apart (3°C) [Other options: (-20°F to 0°F/-29°C to
-18°C)]
0500| Furnace filter change reminder| 0 Off
8 365-day run time
1 10-day run time 9 30 calendar days
2 30-day run time 10 60 calendar days
3 60-day run time 11 90 calendar days
4 90-day run time 12 120 calendar days
5 120-day run time 13 180 calendar days
6 180-day run time 14 365 calendar days
7 270-day run time
0502| Furnace filter alert options| 0 Timer counts Heat & Cool run time
1 Timer counts Cool run time only
0510| Humidifier pad change reminder| 0 Off
1 90 calendar days
2 180 calendar days
3 365 calendar days
0520| UV lamp change reminder| 0 Off
1 1 year
2 2 years
Setup f
0530
| unctions
Adaptive Intelligent Recovery™
| Settings & Options (factory default in bold )
1 On ** See page 11
0 Off
---|---|---
0540| Program periods| 4 4 program periods (Wake, Leave,
Return, Sleep)
2 2 program periods (Wake, Sleep)
0580| Compressor protection| 5 5 minute compressor off
time See page 11 [Other options: 0, 1, 2, 3 or 4-minute off time]
0600| Heat temperature range stop| 90 Max. heat
temperature setting is 90°F (32°C) [Other options: 40-89°F (4°C to
32°C)]
0610| Cool temperature range stop| 50 ****Min. cool
temperature setting is 50°F (10°C) [Other options: 51-99°F (11°C to 37°C)]
0640| Clock format| 12 12-hour time (i.e., “3:30 pm”)**
24 24-hour time (i.e., “15:30”)
0650| Extended fan 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 (recommended)
1 Choose if room is warmer than set temperature
3 Choose if room does not reach set temperature
0690| Cool temperature control| 2 Standard temperature control (recommended)
1 Choose if room is cooler than set temperature
3 Choose if room does not reach set temperature
0700| Temperature display offset| 0 Thermostat displays
actual room temperature [Other options: -3, -2, -1, 1, 2, 3°F offset (-1.5°C
to 1.5°C)
0701| Humidity display offset| 0 0% [Other options: -12% to
12%]
0710| RESET| 0 No reset
1 Reset installer options & program schedule to factory de- fault (only date and time settings are retained)
Installer system test
Installer system test
System test System status ****
1| Cooling system| 0
1
2
| Compressor and fan turn off Compressor and fan turn on Second stage
compressor turns on
---|---|---|---
2| Fan system| 0
1
| Fan turns off Fan turns on
3| Heating system| 0
1
| Heat and fan turn off
Heat turns on (fan on if Function 0170 is set for heat pump,
| | | or if Function 0180 is set to “1”) See page 6
| | 2| Second stage heat turns on
| | 3| Third stage heat turns on
4| Emergency| 0| Heat and fan turn off
heating system| 1| Heat and fan turn on
CAUTION: EQUIP
5| Humidifier**| 0
1
| Off DAMAGE HAZAR
Humidifier on Compressor protec
6| Dehumidifier| 0
1
| Off is bypassed during
Dehumidifier on ing. To prevent equ
7| Ventilator| 0
1
| Off damage, avoid cyc
Ventilator on compressor quickl
Special functions
Auto Changeover (Setup Function 0300): When set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature. Heat and cool settings must be at least 2 degrees apart. If function 0380 is set to On, the heat and cool settings must be at least 5 degrees apart.
Remote Sensor (Setup Function 0340): If an optional outdoor sensor is installed, the thermostat can display the outside temperature. If an optional remote indoor sensor is installed, the thermostat will display the tem- perature at the sensor location (the internal sensor in the thermostat is not used). A Discharge Air Tempera- ture Sensor (DATS) is required to enable desert humidification.
Adaptive Intelligent Recovery (Setup Function 0530): Allows the thermostat to “learn” how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the scheduled time.
Compressor Protection (Setup Function 0580): Forces the compressor to wait a few minutes before restart- ing, to prevent damage. During this time, the message “Wait” is displayed.
Dehumidification control (Setup Function 0380): TH8321 models monitor the indoor humidity level and automatically activate the cooling system to reduce humidity by lowering the temperature by up to 3 degrees below the current cool setting. When Setup Function 0371 is set 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. Between these temperatures, both heat sources operate.
Heat Pump Control — Fossil Fuel Backup (Setup Function 0345):
Option 0 (No Droop Control) : If outdoor temperature is above balance point (Function 0350), only the compressor operates. Below this temperature, only backup heat operates.
Option 1 (Droop Control) : As above, but backup heat is activated if room temperature drops to the selected droop temperature setting (compressor is deactivated).
Option 2: (Droop Control with Aux Heat lockout) : Compressor works only above auxiliary lockout temperature, backup heat works only below balance point, 2° droop between temperatures.
If temperature is not reached in a reasonable time, set the upstage timer (Function 0346). After the designated time, the compressor will be deactivated and the system will switch to backup heat.
Ventilation Control (Setup Functions 0400-0432): If the system includes a self-powered ventilation unit (Function 0400), the home can be ventilated on demand. Ventilation can also be locked out based on high and low outdoor temperature (Function 0431 & 0432)—outdoor temperature sensor required.
Dehumidification Away Mode (Setup Functions 0390-0394): This feature is useful for homes in southern climates. It allows humidity control when the the home is unoccupied for long periods during the hot/humid season. You can control temperature (Function 0393) and dehumidification (Function 0394) while away. You can control humidity with a dehumidifier or a cooling system (Function 0379). If a cooling system is used, humidity is controlled by cooling indoor air to the Low Limit Temperature (Function 0392). When the desired humidity is reached, the system will maintain the temperature you select in Function 0393.
Indoor Air Quality Device (Setup Function 0371): This feature allows the thermostat to control one of the fol- lowing IAQ devices: whole house humidifier, dehumidifier, or ventilator.
Accessories & replacement parts
Please contact your distributor to order replacement parts.
Outdoor temperature sensor…………………………………… Part Number C7089U1006
Remote indoor temperature sensor………………………….. Part Number C7189U1005
Discharge air temperature sensor…………………………… Part Number C7735A1000
Energy recovery ventilator……………………………………… Part number ER200B2006
Heat recovery ventilator…………………………………………. Part number HR200B1005
Fresh air damper…………………………………………………… Part number EARD6
Bypass flow through humidifier……………………………… Part number HE265A1007
TrueSTEAM humidifier………………………………………… Part number HM512W1005
Cover *plate…………………………………………………………** Part Number 32003796-001
*(Use 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 Ambient Temperature
- 0° to 120°F (-18° to 9°C)
Shipping Temperature
- -30° to 150°F (-34° to 66°C)
Electrical Ratings
Terminal Voltage (50/60Hz) 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 |
Operating Relative Humidity
• 5% to 90% (non-condensing)
Physical Dimensions
| Y2 Cooling
E/Aux Auxiliary/ Emergency heat
| 20-30 Vac
20-30 Vac
| 0.02-0.6 A
0.02-1.0 A
---|---|---|---
• 4-9/16” H x 6” W x 1-3/8” D| O/B Changeover| 20-30 Vac| 0.02-0.6 A
• 116 mm H x 152 mm W x 35 mm D| 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
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