Operating Modes - Bosch 3H/2C Installation & Operation Manual

1 4 | Bosch 3H/2C Touch-Technology Thermostat

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 26
 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 27
EM Heat Mode

—
In this mode, the compressor is bypassed and emergency heat is
used.
This mode is only used with heat pumps.
Figure 28
Data subject to change
appears on the display
MODE
OFF
MODE
HEAT
HEAT
MODE
HEAT
Installation, Operation & Application Manual
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 29
Auto Mode

—
In this mode, the thermostat controls both heating and cooling
systems simultaneously.
Figure 30
icon appears on the display for
MODE
COOL
COOL
MODE
AUTO
HEAT
COOL
08.2016 | Bosch Thermotechnology Corp.