Siemens RDG400 Operating Instructions

Operating Instructions en
RDG400 – 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, Energy Saving and
Protection mode. You can either rely on the factory settings or make adjustments that suit your individual
needs.
Main display
Room temperature in
degrees Celsius
Room temperature in
degrees Fahrenheit
Button lock active
Alert indicator
Condensation in the
room
Temporary timer
function active
Additional user information
Operating mode button
Protection mode button
Rotary knob
Changing the room temperature
•
The setpoint can be adjusted with the rotary knob when Comfort mode
active
•
Turn the rotary knob clockwise (+) to increase, or counterclockwise (-) to 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
(parameter Settings, see reverse side).
Selecting Comfort mode
•
Press the operating mode button until symbol
Comfort mode is selected
•
In Comfort mode, the thermostat maintains the setpoint which can be adjusted
with the rotary knob
Selecting Protection mode
•
Press the operating mode button until symbol
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
Selecting Energy Saving mode
In Energy Saving mode, the room temperature is maintained at a lower or higher setpoint, thus saving
energy and money.
•
When selecting Energy Saving mode, make sure parameter P02 is set to 2
• Press the operating mode button until
•
You can change the preselected setpoint by adjusting parameters P11 and P12
(for parameter settings, see reverse side)
Important: The setpoint for Energy Saving mode 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
cooling
Button lock
•
To lock or unlock the buttons manually, press and hold the right button for 3
seconds. The buttons can be 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
s
RDG400
Operating mode
Room
Heating mode
temperature
Electrical heater on
Cooling mode
Comfort mode
Energy Saving mode
Protection mode:
Protection against frost
Indicator for selecting
mode
is
appears, indicating that
appears, indicating that
Heat protection: __________ °C / °F
appears