23
FAQ
Where are the DIP switches located?
On RDG, the DIP switches are located at the rear of the unit; on RDF semi fl ush-mount
thermostats, they are located on the inner side of the front panel.
Where do I fi nd the correct DIP switch position?
Refer to the Mounting Instructions and on the product.
How can I set the parameters?
The procedure for setting the parameters (service or expert level) is described
in the basic documentation of the thermostats.
When do I have to set the control parameters?
You generally do not need to adjust parameters since the unit works correctly using
the factory-set parameters. Nevertheless, in some rare cases, you may need to adjust
the application-specifi c parameters during commissioning to enable desired functions.
For that, access the expert level. Refer to technical documentation for detailed information.
The control parameters on the service level for HVAC systems and for adjusting the user
interface can be accessed at any time.
Is it possible to reload the default timer setting?
Yes. The default timer setting (A1… A8) and the procedure for reloading are described
in the technical documentation.
Is it possible to reset the control parameters?
Yes. The factory-set control parameters can be reloaded via parameter P71 by changing
the value to “ON” and by confi rming with the buttons. Refer to technical documentation
for detailed information.
Can the current settings and installation be checked?
On the expert level, some diagnostic parameters (d01, d02, etc.) are available
for checking the selected application, the status of the inputs and for testing the
3-position outputs. Refer to technical documentation for detailed information.
Reference to the basic documentation
– P3076: RDF3../6.. stand-alone thermostats for FCUs
– P3171: RDF3../6.. KNX communicating thermostats for FCUs
– P3181: RDG1.. stand-alone thermostats for FCUs
– P3191: RDG1..KN KNX communicating thermostats for FCUs
– P3182: RDG400 stand-alone thermostat for VAV
– P3192: RDG400KN KNX communicating thermostats for VAV
– P3078: RDU340 stand-alone thermostat for VAV
– P3172: RDU341 KNX communicating thermostat for VAV
– P3079: RDF302 ModBus communicating thermostat for FCUs
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