Activate RUN PRG by Telephone.
(User menu, Item 8) With the optional
Compressor Run Time.
(User menu, Item 9 and 10) You can see how long the compressor has run (in hours) by viewing the User table, Item 9. You can see how long the system Auxiliary has run (in hours) by viewing the User table, Item 10. These can be reset to 00 when displayed by pressing 
and 
at the same time.
Keypad Lockout.
(Keypad Lockout table) This security feature allows you to lock out the keypad to prevent unautho- rized tampering with the program. Two levels of security are available, Total Keypad Lockout or Partial Keypad Lockout. Total Keypad Lockout renders all buttons inoperative. Partial Keypad Lockout
allows only the 
or 
to operate for temporary temperature overrides. It also limits the tempera- ture to the maximum heating and minimum cooling temperatures used in your program. This is especially useful in buildings where unsched- uled events are common. Anyone can change the temperature, but only between the temperatures you set and only for the number of hours
you specify if you set up your Hold Till timing (see “Temporary Program Override” (page 37). To select or deselect this feature, refer to the CONFIGURATION section (page 25, Keypad Lock menu).
TRADITIONAL FEATURES Automatic Changeover.
If you have a heating/cooling system, the thermostat can be set to automatically switch the system between heating and cooling as needed. To set your thermostat to
this operating mode, press SYSTEM button until AUTO is displayed on the screen.
Factory Preprogrammed Times and Temperatures.
This thermostat has been pro- grammed at the factory. The chart in
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