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.
Feature
Fahrenheit to
Celsius
backlighting
keypad lockout
programmable or
nonprogrammable
number of
program periods
* Not available when batteries are installed.
Configuration Code
U1
U2*
U3
U4
U5
38
Change Indication
F or C
On or Of
padlock
P or nP
4 or 2