Operating Instructions
RDG100
RDG110
RDG110U
RDG – the electronic room thermostat that allows you to set the ideal room temperature you want. The
thermostat satisfies your individual needs in all operating modes: Comfort, Economy and Protection. The
fan operates either in Automatic mode or at the selected speed when using Manual mode. You can
either rely on the factory settings or make adjustments that suit your individual needs.
Main display
Operating mode
Heating mode
Room temperature in
degrees Celsius
Electric heater on
Room temperature in
Cooling mode
Button lock active
Comfort
Alert indicator
Economy
Protection mode:
Protection against frost
Temporary timer function
active
Indicator for selecting
mode
Additional user
Operating mode button
Fan mode
Fan mode button
Automatic
Rotary knob
Manual:
Changing the room temperature
The room temperature setpoint can be adjusted with the rotary knob when
Comfort mode is active
Turn the rotary knob clockwise (+) to increase, or counterclockwise (-
decrease the current room temperature setpoint for Comfort mode
The setting range is from 5...40 °C (41 … 104 °F), unless limited by parameters P09 and P10
(for parameter settings, see reverse side).
Adjusting the fan speed
Press the fan mode button until the desired fan mode is reached
In Automatic mode
, the fan speed is automatically selected by the
thermostat depending on the setpoint and the actual room temperature.
When the room temperature reaches the setpoint, the fan stops
setting) or runs at low speed (P15).
In Manual mode, the fan oper
ates independently and always runs at the
same speed: Low / medium / high
Note:
If desired, you can change the fan mode selector option via P03: Manually only, or manually including
Protection mode. Use P15 to set the fan speed in dead zone.
Selecting Comfort mode
Press the operating mode button until symbol
that Comfort mode is selected
In Comfort mode, the thermostat maintains the setpoint which can be
readjusted with the rotary knob
Selecting Protection mode
Press the operating mode button until symbol
that Protection mode is selected
• In Protection mode, the plant stops operating. If the room temperature
falls
below 8 °C, heating is switched on
however to protect the room against
frost
The setpoints for Protection mode can be changed by your HVAC installer if desired:
Changes made by installer: Frost protection: ____________ °C / °F Heat protection: ______________°C / °F
Selecting Economy mode
In Economy mode, the room temperature is maintained at a lower or higher setpoint, thus saving energy
and money.
When selecting Economy, make sure that parameter P02 is set to 2
Press the operating mode button until symbol appears
You can change the preselected setpoint by adjusting parameters P11 and
P12 (for parameter settings, see reverse side)
Important: The setpoint for Economy can be set to OFF. This means that the thermostat is deactivated!
Risk of frost, i.e. no protective heating or cooling function is provided!
Energy saving tips without sacrificing comfort:
• Air out rooms for short periods of time only, but properly, with the windows wide open
• Never allow the room temperature to exceed 21 °C (70 °F) through heating, and to fall below 25.5 °C (78 °F) through
Button lock
To lock or unlock the buttons manually, press and hold the fan mode
button for
3 seconds. The buttons are locked or unlocked in this manner if P14 is set
to 2
If P14 is set to 1, the thermostat automatically locks the buttons 10
seconds after the last adjustment