Page 70 / 100 Technical Notice V1.0 / 01.09
11 Tuning and maintenance
11.1.1.6 Modification of the configured parameters
A. Press on the PRG button for more than 5 seconds.
The first modifiable parameter is shown on the display.
B. Press on the UP and DOWN keys to specify the parameter that should be changed.
C. Press on SEL to display the value of the selected parameter.
D. Modify the value with the UP/DOWN keys until the desired value is displayed.
E. Press on the SEL button again to store the new value and move on to display the following parameter.
F. Press on the PRG key to store the new value and terminate the parameter modification procedures.
In order to exit without saving the values: just wait 60 seconds without doing anything to the ma-
chine.
The only parameter that the user is authorised to change is the differential regulator. The modi-
fication of any other parameter may affect the operation of the refrigeration unit in an inappro-
priate manner.
Marksa SA denies all responsibility for any un-authorised parameter modification.
Parameter Symbol Type Min. Max. Units Regulated
Differential regulator F 0.1 +19.9 °C / °F 2
Table 11-1: Control setting parameters
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