Owner's Manual
Table Of Contents
- Installation Guide
- User Guide
- Table of Contents
- Thermostat Features
- Getting the most from the T9 Smart Thermostat
- Using Your Thermostat
- Using the Honeywell Home App
- Basic thermostat operation
- Wi-Fi settings and connectivity
- Scheduling options
- Advanced Features
- Frequently Asked Questions (FAQs)
- Troubleshooting
- Specifications
- Regulatory Information
- Warranty
- C-Wire Adapter Guide
- Wire Labels
- FCC Compliance Statement
23 33-00478–03
ISU # Configuration
Setup Name
Settings Default Notes
4110 Keypad lockout Unlocked
Partially locked
Fully Locked
Unlocked Unlocked: User has access to all thermostat settings.
Partially Locked: User can modify only temperature
settings.
Fully Locked: User cannot modify any settings
7000 Filter Type None
Media
Media
7110 Air filter 1
replacement
reminder
Off
Run Time:
10, 20, 30, 45, 60, 90,
120, 150 days
Calendar:
30, 45, 60, 75 days
3, 4, 5, 6, 9, 12, 15
months
Off Only shown if ISU 7020 is set to 1 or 2
8100 Humidifier Pad
Replacement
Reminder
• Off
• 60 Run Time Days
• 90 Run Time Days
• 6 Calendar Months
• 12 Calendar
Months
Off
9120 Dehumidification
Filter
Replacement
Reminder
Off, 30, 60, Calendar
Days
3 to 12 Calendar
Months (in 1 month
increments)
Off
10170 Ventilator Filter
Cleaning
Reminder
Off
3, 6, 9, 12
Calendar Months
Off
11000 Number of UV
Devices
0, 1, 2 0 Some systems may have two UV devices, one for the
ACoil and another for Air Treatment. A replacement
reminder can be setup for each one. Select 0 if no UV
devices are installed.
11050 Replace UV Bulb
1
Off, 6, 12, 24
Calendar Months
Off
11050 Replace UV Bulb
2
Off, 6, 12, 24
Calendar Months
Off
14010 Clock Format
• 12 Hour Clock
• 24 Hour Clock
12 Hour
Clock
14015 Daylight Savings
Time
• No
• Yes
Yes Set to Off in areas that do not follow Daylight Saving
Time.
14020 Indoor
Temperature
Display Offset
3° F to 3° F in 1° F
increments
(1.50° C to 1.50° C in
.5° C increments)
0° F
(0.00° C)
0° F - No difference in displayed temperature and the
actual room temperature.
The thermostat displays up to 3°F (1.5°C) lower or
higher than the actual measured temperature.
14020 Indoor Humidity
Display Offset
12% to 12% (in 1%
increments)
0° F 0% - No difference in displayed humidity and the actual
room humidity. The thermostat displays up to 12% lower
or higher than the actual measured humidity.
Note: multiple Configuration settings can be grouped together on the same display screen.