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14
utes, to allow the thermostat to reset itself.
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
HEAT-OFF-COOL-AUTO
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.
Automatic Changeover
Switch #1 ON
Switch #2 OFF
Switch #3 (see Energy Management Recovery)
In the AUTO mode, the thermostat will not allow
the temperature separation between the high-
est 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).
For manual changeover, Group B option
switches #1 and #2 should be in the OFF
position.
• TWO HOUR TEMPERATURE OVER-
RIDE — Press or until the
NOTE
79
78
77
76
75
74
73
COOLING TEMPERATURES
HEATING TEMPERATURES
DEAD BAND 1°F
ON
123
Group B
Option
Switches