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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
HEAT-OFF-COOL-AUTO
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.
79
78
77
76
75
74
COOLING TEMPERATURES
HEATING TEMPERATURES
DEAD BAND 1°F
ON
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