ADVANCED PROGRAMMING OPTIONS
Advanced programming display codes chart
You can customize several features of your thermostat. This chart shows which
features you can change and the codes associated with them. The codes will be
shown on the display when you follow the instructions.
Fahrenheit to Celsius U1 F or C
backlighting U2* On or Of
keypad lockout U3 padlock fi
programmable or U4 P or nP
nonprogrammable
U5 4 or 2
number of program
periods
* Not available when batteries are installed.