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Installation, Operation & Application Manual
6.2 Operating modes
The possible operating modes for the thermostat are: OFF, HEAT, EM HEAT, COOL,
and AUTO. Use
to select.
OFF Mode
—
In this mode, the thermostat will not turn on the heating or cooling
devices
The indoor fan can be turned on manually in every operating mode by
pressing
until
displays. The fan icon
when the fan operates.
Figure 28
Heat Mode
—
In this mode, the thermostat controls the heating system. When the
heat outputs, the flame icon appears on the display for each stage
of heat that is on.
For heat pumps, there is a four minute delay for your compressor to restart
after it has turned off . To bypass the compressor time delay, go to OFF
mode and press
.
Figure 29
EM Heat Mode
—
In this mode, the compressor is bypassed and emergency heat is
used.
This mode is only used with heat pumps.
Figure 30
Bosch Thermotechnology Corp. | 09.2016
appears on the display
MODE
OFF
MODE
HEAT
HEAT
MODE
HEAT
Bosch 2H/2C/Hum Touch-Technology Thermostat | 15
Cool Mode
—
In this mode, the thermostat controls the cooling system. When the
cooling outputs, the snowflake
each stage of cool that is on.
There is a four minute delay for your compressor to restart after it has
turned off . To bypass the compressor time delay, go to OFF mode and
press
.
Figure 31
Auto Mode
—
In this mode, the thermostat controls both heating and cooling
systems simultaneously.
Figure 32
icon appears on the display for
MODE
COOL
COOL
MODE
AUTO
HEAT
COOL
Data subject to change
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