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Automatic Changeover (ON)
Switch #1 set at installation (DO NOT CHANGE)
Switch #2 set at installation (DO NOT CHANGE)
Switch #3 set at installation (DO NOT CHANGE)
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 that 1°F. For example, if the
highest heat setting is 76°F, the lowest cool
setting cannot be below 77°F (see diagram
below).
(down), use a pencil or small screwdriver
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 ANY OTHER OPTION
SWITCH, as it may affect thermostat op-
eration. Replace the battery, reprogram
the thermostat if necessary, put the ther-
mostat back on the wall, and restore
24 VAC power. To set the thermostat for
automatic changeover after programming,
press
SYSTEM
SWITCH
to set the thermostat to
AUTO (the setpoint display is blank in the
AUTO mode). The system will now auto-
matically switch between heating and cool-
ing depending on the actual room tem-
perature.
ON
1234
79
78
77
76
75
74
COOLING TEMPERATURES
HEATING TEMPERATURES
DEAD BAND 1°F