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8. Dixell XR50CX control panel
8.9 Programming the controller
Access to the programming menus and the modification of the parameters are exclusively reserved for installa-
tion and maintenance personnel. Incorrect or improper modifications of the parameters can cause malfunctions and/or
a poor performance of the unit.
Parameter categories and access to the menus
Working parameters are grouped in two different categories:
Type "PR1" parameter: parameters of 1st level, related to the normal operating conditions.
Type "PR2" parameter: parameters of 2nd level, related to the system configuration.
Access and setting type "PR1" parameters
•
Enter the programming mode by pressing the SET + DOWN ARROW for 3 seconds. The "°C" LED starts blink-
ing.
•
Select the required parameters by scrolling the Pr1 parameter list using ARROWS (UP/DOWN).
•
Press the SET key to display the parameter value.
•
Use the ARROWS (UP/DOWN) to change the parameter value.
•
To exit the programming mode, press SET + UP ARROW, or wait for 15 second without pressing any keys to
save automatically the new value.
Access and setting type "PR2" parameters
•
Enter the programming mode by pressing the SET + DOWN ARROW for 3 seconds. The "°C" LED starts blink-
ing.
•
When the first parameter is displayed, release the keys, then push them again for more than 7 seconds. The
"PR2" message will be displayed immediately followed by the "Hy" parameter. The complete list of parameters
("PR1" and "PR2") is now accessible and modifiable.
•
Select the required parameter, scrolling through the list with the ARROW (UP/DOWN), and press the SET key
to display the value.
•
Use the ARROW (UP/DOWN) keys to change the parameter value.
•
To exit the programming mode, press SET + ARROW UP, or wait for 15 seconds without pressing any keys to
automatically save the new value.
In case of a power black-out before saving the new value, the change won't be saved.
Cod. 80005850a - GB
Attention! This section of the manual is meant for
maintenance technicians only.
29
01.02.2021
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