Siemens RDX Series Operating Instructions

Operating Instructions

RDX... – 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.
Display
Display of actual
room temperature
Cooling On
Fan output is switched On
Heating ON
Heating and auxiliary heating On
Normal operation
Energy saving mode
Buttons for setpoint
adjustments
Warmer / cooler
adjustment of
temperature setpoints
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:
•
Press 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.
CE1B3074en / 28.07.2003
RDX...
Settings and operation
Display of current
room temperature
(in Celsius / Fahrenheit),
Fan operating mode selector
or new setpoint
Automatic or Continuous On
Operating mode
selector
Heating,
OFF or
Cooling
3074Z01en
Subject to alteration
Changing from heating to cooling mode
With the manual changeover, modes can be
/OFF/
selected from heating mode, Off to cooling mode.
Off = not in operation.
Display shows that the heating output is active
Display shows that the heating and auxiliary heating
outputs are both active
AUX
Display shows that the cooling output is active
Changing the fan operating mode from Automatic
to Continuous On
Auto The fan output is switched on when the heating or
cooling output is activated
Fan On
The fan output is switched on permanently
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.).
(Function inactive if the Heat-Off- Cool switch is in
the Off position)
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 parameters").
Important:
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!
Siemens Building Technologies / HVAC Products