Honeywell TH8321 Manuel D’Utilisation
VisionPRO
TM
8000 Touchscreen Programmable Thermostat
68-0280—01
2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1985 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
Thermostat Description:
Electrical Ratings:
Temperature Setting Range:
Heating: 40°F to 90°F(4.5°C to 32°C).
Cooling: 50°F to 99°F (10°C to 37°C).
Operating Ambient Temperature:
TH8000 VisionPRO™ Thermostats: 0°F to 120°F
(-18°C to 49°C).
C7089U: -40°F to 120°F (-40°C to 49°C).
C7189U: 45°F to 88°F (7.2°C to 32°C).
Shipping Temperature:
TH8000 VisionPRO™ Thermostats: -30 °F to 150 °F
(-34.4°C to 65.6°C).
Operating Relative Humidity (Non-condensing):
TH8000 VisionPRO Thermostats: 5% to 90%.
C7089U: 5% to 95%.
C7189U: 5% to 95%.
Humidity Setting Range (TH8321 models only):
Cooling: 40% to 80% RH.
Humidity Display Range (TH8321 models only):
0% to 99%.
Cycle Rates (at 50% Load):
Heating: Selectable 1 - 12 cycles per hour.
Cooling: Selectable 1 - 6 cycles per hour.
Finish:
TH8000 VisionPRO™ Thermostats: Premier White® color.
C7189U Wall Mount Remote Indoor Sensor: Premier White®
color.
Clock Accuracy: +/- 1 minute per month.
Batteries:
Three replaceable AAA alkaline batteries: Power thermostats
when 24 Vac common is not used. Non-replaceable
lithium battery with ten-year life under normal use to hold
calendar and time settings. Alkaline batteries keep calen-
dar and time after lithium battery is no longer functional.
Resistance Characteristics of Remote Sensors:
C7089U Outdoor Sensor: Negative temperature coefficient
(NTC) means that resistance decreases as the
temperature increases. See Table 13 in the Operation
section for sensor resistance characteristics.
C7189U Remote Indoor Sensor: Negative temperature
coefficient (NTC), means that resistance decreases as the
temperature increases. See Table 14 in the Operation
section for sensor resistance characteristics.
Cool Indication:
TH8000 VisionPRO™ Touchscreen Thermostats show "Cool
On" on the screen when Cool is activated.
Heat Indication:
TH8000 VisionPRO™ Touchscreen Thermostats show “Heat
On” on the screen when Heat is activated.
Feature
Description
Powering methods
• Battery only
• Common wire only
• Common wire with battery backup
System types (up to
3 heat/2 cool or up
to 1heat/1cool,
depending on
model)
• Gas, oil or electric heat with air
conditioning
• Warm air, hot water, high-efficiency
furnaces, heat pumps, steam and
gravity
• Heat only—includes power to open
and power to close zone valves
(series 20) and normally-open zone
valves
• Heat only with fan
• Cool only
• 750 mV heating systems
Changeover
Manual or Auto changeover selectable
System setting
Heat-Off-Cool-Auto (Em. Heat for heat
pumps)
Fan setting
Auto-On-Circ
Terminal
Voltage (50/60 Hz)
Running Current
W Heating
20 - 30 Vac
.02 - 1.0A
W Heating
(Powerpile)
750 mV dc
100 mA dc
Y Cooling
20 - 30 Vac
.02 - 1.0A
G Fan
20 - 30 Vac
.02 - .60A