20
How to prepare and set up
your room thermostats
Introduction
The versatile RDG and RDF room thermostats help you to better meet your customer‘s needs.
The following information supports you in setting up your RDG and RDF thermostats.
Control parameters
A number of control parameters can be adjusted to optimize control performance and
enable additional functions, making it possible to employ. The RDG and RDF thermostats
in almost any type of application.
The control parameters are assigned to 2 levels:
– Service level and
– Expert level
The service level contains a small set of parameters to set up the thermostat for HVAC
systems (control sequence) and to adjust the user interface.
The expert level contains control parameters for fan, control inputs/outputs and other
functions. Take care when changing parameters on the expert level as these changes
impact the thermostat‘s control performance and functionality.
As a rule, you don´t need to adjust parameters once the required application is selected
via the DIP switch since the thermostat works correctly using factory set parameters. It may
be nevertheless necessary, in some cases, to adjust application specifi c parameters.
– Control sequence (P01): select heating/cooling sequence and
changeover function
– Multifunctional inputs (P38…P42): select the input functionality for X1, X2 and D1
– Control outputs (P46…P47): select type of output signal (ON/OFF, PWM, 3-pos.)
– Fan function (P52...P62): select fan functionality
Installation and set up
1. Select a suitable thermostat.
2. Set application via DIP switch as per mounting instructions.
3. Wire and install the thermostat. Apply power.
4. Set parameter P01 (control sequence) and other
application-specifi c parameters as needed.
Note: ARG71 – conduit box suitable for RDF3.. and RDF4.. semi fl ush-mount thermostats is
available as an accessory item.
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