Package Includes:
• T4 Pro Thermostat
• UWP™ Mounting System
• Decorative Cover Plate
• Screws and Anchors
• 2 AA Batteries
• Thermostat Literature
T4 Pro
Programmable Thermostat
TH4110U2005, TH4210U2002
User Guide
For assistance with this product, please visit Honeywellhome.com/support
Customer assistance
Thermostat controls
• System status
information
Cool On/Heat On/Em
Heat On, Recovery,
Compressor Protection
• Actual time
• Schedule information
Following time based
schedule
• Mode
Select system mode
Heat/Off/Cool/Auto/
EM Heat (emergency
heat)
• Menu
Press to display options.
Start here to set a
program schedule
• 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
• Fan
Select Fan mode
Auto/On
The screen will wake up by pressing any of the five 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.
Read before installing