Siemens RDU manual

Siemens RDU
7 · 1
PDF user manual
 · 2 pages
user manualSiemens RDU
CE1B3061en / 05.02.2003 Subject to alteration Siemens Building Technologies / HVAC Products

Operating Instructions RDU…

RDU... – the temperature controller that allows you to easily set the room temperature you want. You have
2 choices. You can either rely on the factory settings or make adjustments that suit your individual needs.


Settings and operation

Normal operation
Energy saving mode
Display of current
room temperature
or new setpoint
Warmer / colder
Adjustment of
temperature setpoints
Heating valve open
Cooling valve open
Display of actual
room temperature
Buttons for setpoint adjustments
Heating mode, Off, cooling mode
Operating mode

Are your rooms too warm or too cold?

Normal operation
The + / - buttons allow you to increase or decrease the current room temperature setpoint in steps of 0.5 °C.
To do this, proceed as follows:
or once
The setpoint display starts flashing
Press the buttons again to change the room temperature setpoint
10 seconds after the last press, the new temperature setpoint will automatically be stored. The display stops flashing.

Changing from heating to cooling mode

Automatic changeover
With the RDU50.2, manual changeover modes selector
from heating mode, Off to cooling mode.
Off = out of operation.
Display shows that the heating output is active
Display shows that the cooling output is active

Changing from normal operation to energy

saving mode

Changeover from normal operation to energy saving mode
takes place automatically via an external contact
(window switch / remote operation switch, etc.).
(Exception with type RDU50.2 in Off mode)
Display shows normal operation.
Display shows energy saving mode.

Energy saving mode

If you want to change the factory-set temperature
setpoints (16 °C for heating and 28 °C for cooling), follow
the procedure given below (“Changing the control
The setpoint of energy saving mode can be set to Off.
This means that the controller is not active in energy
saving mode and the parameter display shows Off.
Risk of frost!

User manual

View the manual for the Siemens RDU here, for free. This manual comes under the category Thermostat and has been rated by 1 people with an average of a 7. This manual is available in the following languages: English. Do you have a question about the Siemens RDU or do you need help? Ask your question here

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Siemens RDU specifications

Below you will find the product specifications and the manual specifications of the Siemens RDU.

Brand Siemens
Model RDU
Product Thermostats
Language English
Filetype manual_type_manual (PDF)

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