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Switch #1 set at installation (DO NOT CHANGE)
Switch #2 set at installation (DO NOT CHANGE)
Switch #3 (see TOTAL KEYPAD LOCKOUT)
Switch #4 ON
In the AUTO mode, the thermostat will not
allow the temperature separation between
the highest heat setting and the lowest cool
setting to be less than 1°F. For example, if
the highest heat setting is 75°F, the lowest
cool setting cannot be below 77°F (see
diagram below).
the battery, then use a pencil or small screw-
driver to move the switch to the ON position
(see figure at right). Leave the battery out of
the thermostat for at least two minutes, to
allow the thermostat to reset itself. DO NOT
MOVE OPTION SWITCHES #1 OR #2, as
this may affect thermostat operation. [Op-
tion switch #3 enables/disables keypad lock-
out (see TOTAL KEYPAD LOCKOUT)].
Replace the battery, reprogram the thermo-
stat, if necessary, put the thermostat back
on the wall, and restore 24v AC power. To
set the thermostat for automatic changeover
after programming, press
SYSTEM
SWITCH
to set the
thermostat to AUTO (the setpoint tempera-
ture display is blank in the AUTO mode).
The system will now automatically switch
between heating and cooling, depending on
the actual room temperature.
ON
1234
79
78
77
76
75
74
73
COOLING TEMPERATURES
HEATING TEMPERATURES
DEAD BAND 1°F