Honeywell T1 Pro User Manual

T1 Pro
Non-Programmable
Thermostat
User Guide
Package Includes:
• T1 Pro Thermostat
• UWP™ Mounting System
• Honeywell Standard Installation
Adapter (J-box adapter)
• Honeywell Decorative Cover Plate –
Small; size 449/64 in x 449/64 in x
11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User
Guide
Call Honeywell Customer Care toll-free at 18004681502.
Customer assistance
Thermostat controls
The screen will wake up by pressing any of the three buttons. If powered by the C wire, the screen stays lit for 45 seconds
after you complete changes. If powered by battery only, the screen stays lit for 8 seconds. Depending on how your
thermostat was installed, the screen light may always be on.
+
• System status
information
Cool On/Heat On/
Compressor Protection
• Menu
Press to display Mode
(Heat, Off, Cool) and Fan
(Auto, On)
• Indoor temperature
setpoint
Press + or – to change
temperature setting
• Actual indoor
temperature
• Temperature/
Navigation buttons
Press to increase or
decrease temperature
setpoint and to navigate
menus and menu options

Honeywell T1 Pro Specifications

General

Model	T1 Pro
Programmable	Non-programmable
Power Source	Battery or Hardwired
Stages	1 Heat/1 Cool
Changeover	Manual
Geofencing	No
Remote Control	No
Warranty	1-Year Limited Warranty
Temperature Range	Heat 40-90 °F, Cool 50-99 °F
Display Type	LCD
Compatibility	Compatible with most single-stage heating, cooling, and heat pump systems

Summary

Thermostat Controls Overview

System Status Information

Displays system status including Cool/Heat On and Compressor Protection.

Menu Button Functionality

Press Menu to display Mode (Heat, Off, Cool) and Fan (Auto, On) options.

Indoor Temperature Setpoint Adjustment

Use '+' or '-' buttons to adjust the desired temperature setting.

Actual Indoor Temperature Display

Shows the current temperature inside the building.

Temperature and Navigation Buttons

Buttons for adjusting temperature and navigating menus.

Customer Assistance

System Operation Settings

System Modes Configuration

Select between Heat, Cool, or Off modes for system operation.

Fan Operation Settings

Fan Mode Selection

Choose between Auto (runs with HVAC) or On (continuous) fan operation.

Temperature Unit Settings

Built-in Compressor Protection

Battery Replacement

Troubleshooting

Display is Blank Troubleshooting

Steps to resolve a blank thermostat display.

Heating or Cooling System Not Responding

Troubleshooting steps for unresponsive HVAC systems.

Temperature Settings Not Changing

Diagnosing issues with temperature setting changes.

Flashing 'Cool On' or 'Heat On' Indicator

Explanation for flashing compressor protection messages.

5-Year Limited Warranty

Safety and Disposal Information

Electrical Hazard Caution

Warning regarding electrical shock and equipment damage during installation.

Equipment Damage Hazard Caution

Warning to avoid rapid compressor cycling to prevent damage.

Mercury Notice

Instruction for proper disposal of controls containing mercury.

Electronic Waste Notice

Guidance on responsible disposal of end-of-life electronic equipment.