Total Keypad Lockout
ON
Group A
Option
Switches
1 2
Switch #1 ON
Switch #2 OFF
To enable total keypad lockout, move Group A option switch #1 to ON (see figure above). To disable total keypad lockout, move op- tion switch #1 to OFF.
•LIMITED TEMPERATURE RANGE — When Group A option switch #1 is in the OFF position and option switch #2 is in the ON position, the heating and cooling tem-
peratures may be changed using the 
and 
buttons, but the temperatures may not be set to exceed any programmed maximum heating or minimum cooling tem-
18
peratures. To enable limited temperature range, move Group A switch #1 to the OFF position and switch #2 to the ON position (see figure below). To disable limited tem- perature range, move switch #2 to the OFF position (see TOTAL KEYPAD LOCKOUT to determine the correct position of option switch #1).
NOTE
Programming should be completed and batter- ies should be installed before changing Group A option switches #1 or #2.
Limited Temperature Range
ON
Group A
Option
Switches
1 2
Switch #1 OFF
Switch #2 ON