CE1B3076.1en / 28.04.2008 Subject to alteration Building Technologies
Operating Instructions
RDF300…, RDF340…,
RDU340…
RDF/RDU… – the temperature controller that allows you to set the ideal room temperature you want. The controller
provides comfort mode, energy saving mode and standby. 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.
Are your rooms too warm or too cold?
+ -
Pressing + or - allows you to increase or decrease the current room temperature setpoint for comfort mode.
The maximum setting range is from 5...40 °C, unless it is limited by parameters P09 and P10.
Do you want to change from heating to cooling mode?
/
The changeover between cooling and heating is done either automatically by a
heating / cooling changeover sensor or a remote changeover switch, or manually
by pressing the operating mode button
. If the controller is configured cooling
only or heating only, no changeover is possible (see parameter P01)
By automatic changeover or continuous heating/cooling:
Display shows that heating valve is open
Display shows that cooling valve is open
By manual changeover:
Display shows that controller is in heating mode
Display shows that controller is in cooling mode
Do you want to change the fan mode?
Press the button until you have selected the desired fan mode.
In automatic mode, the fan speed is automatically selected by the controller and
depends on the setpoint and the actual room temperature. When the room
temperature has reached the setpoint, the fan remains in fan speed low (factory
setting)
In manual mode the fan operates independently and always runs at the same
speed: Low, medium or high.
Low fan speed
Medium fan speed
High fan speed
By a single-speed fan, the mode can be changed between
and .
Do you want to set your controller to standby?
Press the operating mode button several times until the display shows the
symbol to indicate that standby is selected.
In standby
, only frost protection is active (factory setting = 8˚C), unless your
HVAC installer has adjusted the factory settings.
Changes by installer Frost protection: ........... ˚C
Heat protection: ........... ˚C
Do you want to change to Energy saving mode?
The controller can be set in energy saving mode either via pressing the operating
mode button
if enabled (see parameter P02), or via an external contact such
as window switch, key card switch etc.
If the external contact is activated the controller changes from comfort mode or
standby to energy saving mode. Any operation by the user has no influence.
In energy saving mode the automatic fan speed is active.
Note: If the controller is configured for manual heating / cooling changeover, the
Energy saving mode can not be selected via operating mode button
.
Operation and Settings
Automatic fan
Low fan speed
Medium fan speed
High fan speed
Ke
ad locked
Indication of alarm*
Condensation in the room*
Cooling demand / mode
Heating demand / mode
Electrical heater active
Standby
Comfort mode
Energy Saving mode
Measured room temperature,
setpoints and parameters
Symbol when actual room
temperature displa
ed
Current time of the day or
additional user information
Adjusting fan mode
- Automatic fan ( )
- Manual fan (
)
No fan available on RDU…!
Adjusting operating mode
- Standby ( )
- Comfort mode (
)
- Energy saving mode (
)*
or by a system with manual changeover
- Standby (
)
- Comfort heating (
)
- Comfort cooling (
)
Colder / Warme
* if configured by your HVAC installer
(14 Seiten)
(14 Seiten)
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