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Switches #1 and #2 are set at installation
and should not be changed. To enable total
keypad lockout, move option switch #3 to
ON (ensure that option switch #4 is OFF).
To disable total keypad lockout, move op-
tion switch #3 to OFF.
• PARTIAL KEYPAD LOCKOUT — When
option switch #4 is in the partial keypad
lockout position (ON), programs cannot be
altered. All buttons except and
are disabled. When using those buttons
during partial lockout, the heating tempera-
ture cannot be raised above the programmed
heating temperature for the current period.
Likewise, the cooling temperature cannot
be lowered below the programmed cooling
temperature for the current period.
• TOTAL KEYPAD LOCKOUT — When op-
tion switch #3 is in the total keypad lockout
position (ON), programs cannot be altered
and all buttons are disabled.
Programming should be completed and battery
should be installed before changing option
switch #3.
Total Keypad Lockout
Switch #1 set at installation (DO NOT CHANGE)
Switch #2 set at installation (DO NOT CHANGE)
Switch #3 ON
Switch #4 OFF
NOTE
ON
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