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TH8321
Honeywell TH8321 User Manual
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VISIONPRO® 8000 SMART THERMOST
A
T
33-00096—0
4
4
Accessories
Product
Part Number
Wired Outdoor Sensor 10k ohm NTC
C7089U1006
Wired Wall-mount Indoor Sensor 10k ohm NTC
C7189U1005
Wired Flush-mount Indoor Sensor
20k ohm NTC
C7772A1004, C7772A1012
Wired Wall-mount Indoor Sensor 20k ohm NTC
TR21
Wired Wall-mount Indoor Sensor 10k ohm NTC
TR21-A
Cover Plate (covers marks lef
t by old thermostats)
THP2400A1019
C-Wire Adapter
THP9045A1098
Discharge Air T
emperature Sensor
C7735
3
5
Table of Contents
Application
1
Table of Contents
2
Specifications
3
System Installation
5
When Installing this Product
5
Wiring 24 Vac Common
6
Selecting Discharge Air Temperature Sensor Mounting
6
Mounting Locations
6
Locations
6
Selecting Thermostat Location
8
Installing Wallplate
8
Wiring the Thermostat
8
Make Changes to Installer Setup
10
Installer Setup (ISU) Table
11
Connect to Wi-Fi® Network
36
Installer Tests
38
Using the Installer Test
38
Operation
39
Setting the Time/Date
40
Setting the Fan
40
Setting System Mode
41
Preset Energy-Saving Schedules
41
Adjusting Program Schedules
41
Permanent Hold
42
Viewing Equipment Status
43
Cleaning the Thermostat Screen
49
Setting Preferences
49
Security Settings
49
Clean Screen
49
Adjusting Security Settings
50
Viewing Dealer Information
50
Advanced Features
51
Adaptive Intelligent Recovery (Residential Use Only)
51
Compressor Protection
51
Staging Control
52
Heat Pump and Backup Heat Operation
55
Geothermal Radiant Heat
55
Indoor Air Quality (IAQ) Control
57
Humidification
57
Set up Humidification
57
Control Humidification Level
59
Dehumidification - Residential
59
Set up Dehumidification with Cooling System
60
Set up Dehumidification with Whole House Dehumidifier
60
Set up Dehumidification Away Mode
62
Control Dehumidification Level
63
Dehumidification - Commercial
63
Set up Dehumidification with Cooling System
64
Set up Dehumidification with Dehumidifier
65
Control Dehumidification Level
66
Ventilation
67
Set up Ventilation
68
IAQ Reminders
72
Customizable Reminders
72
Commercial Features
77
Ramp Rates (Commercial Use)
80
Economizer and Time of Day (TOD) Operation
80
Pre-Occupancy Purge
81
Wired Indoor Sensors
81
Temperature Control
81
Temperature Display
82
Wiring
84
Wiring IAQ Equipment or a Heat/Cool Stage to the U1 Terminals
86
Wiring Economizer Control
87
Wiring C7089U1006 Outdoor Sensor
88
Wiring Guide - Wired Indoor Sensors
89
Troubleshooting
90
Regulatory Information
91
Fcc Compliance Statement
91
4
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Honeywell TH8321 Specifications
General
Brand
Honeywell
Model
TH8321
Category
Thermostat
Language
English
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