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01.02.2021
Cod. 80005850a - GB
8.9 Programming the controller
Attention! This section of the manual is meant for
maintenance technicians only.
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.
8. Dixell XR50CX control panel
Summary of Contents for Viessmann Tecto CI1 Series
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