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Honeywell TH8320R1003 - User Manual

Honeywell TH8320R1003
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PRODUCT DATA
68-0312-03
VisionPRO
®
8000 with RedLINK™
APPLICATION
The VisionPRO® 8000 with RedLINK™ features an effortless,
7-Day programmable touchscreen thermostat that provides
control of temperature, humidification, dehumidification, and
ventilation for up to 4 Heat/2 Cool heat pump systems or up to
3 Heat/2 Cool conventional systems for residential and
commercial applications.
FEATURES
RedLINK™ Compatible
Increase your content and profit per job by including
RedLINK™ accessories that meet your customers comfort
and convenience needs. RedLINK accessories include the
Wireless Outdoor Sensor, Portable Comfort Control (PCC),
Equipment Interface Module (EIM), RedLINK Internet
Gateway, Wireless Indoor Sensor, TrueSTEAM™ humidi-
fier with Wireless Adapter, TrueZONE™ zoning panel with
Wireless Adapter, Vent Boost Remote and Entry/Exit
Remote.
Customizable Service Reminders
Set up to 10 service reminders. Choose from the pre-set
options or customize your own. Reminders can be based
on date or the outdoor temperature.
Universal Inputs
Thermostat - S1
EIM - S1, S2, S3, S4
Assignable inputs allow you to setup Indoor and Outdoor
Temperature Sensors, Discharge and Return Air Sensors
or Dry Contact Devices. Dry Contact Devices can be used
to trip pre-set or customized alerts on the thermostat home
screen. Note: Dry Contact Alerts require an Equipment
Interface Module (EIM).
User Interaction Log
The interaction log stores history of thermostat setting
changes including temperature, system and installer setup.
You can use the interaction log to save time by determining
if the issue is a system error or an accidental user error.
The Interaction Log is only viewable on a computer after
you download it from the thermostat to a microSD card.
Selectable for Residential and Light Commercial
Applications
One thermostat does it all to meet the needs of Residential
and Light Commercial applications. Simply select Residen-
tial or Commercial during the installer setup. If Commercial
is selected, the thermostat will use commercial language,
meet building codes and offer 365 day holiday scheduling.
MicroSD Card Port for Quick Installer Setup
Save time by using a microSD card to upload installer set-
tings and service reminders in one simple step.
Selectable Sensors
When paired with a Wireless Indoor Sensor(s) you have
the ability to choose which sensor(s) to use for tempera-
ture, humidification and dehumidification. They can be
used in combination for temperature averaging—or individ-
ually—to condition humidity levels in separate spaces.

Table of Contents

Questions and Answers

  • D
    Danielle CarsonJul 25, 2025
    What to do if Honeywell Thermostat heating or cooling system does not respond?
    • R
      Ryan VanceJul 25, 2025
      If your heating or cooling system isn't responding, first, ensure the thermostat is set to Heat and the set temperature is higher than the current room temperature. Alternatively, if cooling, ensure it's set to Cool and the set temperature is lower than the current room temperature. Also, check the circuit breaker and reset it if needed. Verify that the power switch for the heating and cooling system is on and the furnace door is securely closed. If the display shows 'Wait', allow 5 minutes for the system to safely restart, protecting the compressor.
  • A
    Angel SmithAug 2, 2025
    How to fix a blank screen on a Honeywell TH8320R1003 Thermostat?
    • S
      Sharon Kelley DDSAug 3, 2025
      If your Honeywell Thermostat screen is blank, try the following: check the circuit breaker and reset it if necessary. Ensure that the power switch at the heating and cooling system is turned on. Verify that the furnace door is closed securely. If your thermostat is battery powered, make sure that fresh AA alkaline batteries are installed correctly.
  • R
    ryanfuentesAug 10, 2025
    Why is the red light on my Honeywell TH8320R1003?
    • S
      Steven HunterAug 10, 2025
      If the red light is on, it could indicate that your Honeywell Thermostat is in Emergency Heat mode, which is normal. However, if the thermostat is not in Emergency Heat mode, the red light means that there is an active alert. Check the thermostat screen for a message describing the alert.
  • D
    derricktoddAug 17, 2025
    How to improve screen readability on Honeywell TH8320R1003?
    • K
      Kenneth MeltonAug 17, 2025
      To improve readability on your Honeywell Thermostat screen, adjust the screen brightness using the Preferences menu.

Honeywell TH8320R1003 Specifications

General IconGeneral
ModelTH8320R1003
BrandHoneywell
TypeProgrammable Thermostat
DisplayTouchscreen
Stages3 Heat/2 Cool
Programmability7-Day Programmable
Temperature Range40°F to 90°F (4°C to 32°C)
CompatibilityHeat Pump
Power SourceHardwired
Battery Type2 AA
Voltage20 to 30 VAC

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