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Setting the parameters
Once having accessed the desired level of parameters (F, C or A):
1. press UP or DOWN until reaching the desired parameter: when
scrolling, an icon appears on the display representing the category
the parameter belongs to (see the table below and the table of
parameters);
2. or: press Prg/mute to display the menu of parameter categories. See
the table of parameters at the end of manual for further details on
the categories. Press UP/DOWN until reaching the desired category
of parameters and press Set: the list of parameters in the selected
category is displayed;
Category
Icon
Probes
Control
Compressor
Defrost
Alarm
Evaporator fans
3. press UP or DOWN until reaching the desired parameter;
4. press Set to display the associated value;
5. increase or decrease the value of the parameter using UP or DOWN;
6. press Set to temporarily save the new value and return to display the
parameter code;
7. if the parameter has sub-parameters, after having selected the
parameter, press Set again to enter the sub-menu, use the UP or
DOWN button to scroll between the sub-parameters, which can be
modifi ed like a normal parameter. Press Set again to temporarily save
the values and Prg/mute return to the higher level menu;
8. repeat steps from 3) to 7) to modify other parameters;
9. to permanently save the new values assigned to the parameters Prg/
mute for 5 seconds. This exits the parameter setting procedure.
Note:
• all the changes made to the parameters, temporarily stored in the RAM,
can be cancelled, returning to the standard display by not pressing any
button for 60 seconds. The values of the clock parameters, however,
are saved when entered.
• if the controller is powered down before pressing Prg/mute, all the
changes made to the parameters will be lost
• in the two parameter setting procedures (C and A), the new values are
only saved after having pressed Prg/mute for 5 seconds. When setting
the set point, the new value is saved after confi rming with Set.
3.4 Example: setting current date/time and
day/night time bands
Setting the current date/time
Procedure:
1. press Prg/mute for 5 seconds: this accesses the list of type F
parameters;
2. press Prg/mute: the fi rst category of parameters, "Pro", is shown;
3. press the UP/DOWN buttons until reaching category "rtc", highlighted
by the "clock" icon at the top right;
4. press Set: parameter "tc" is displayed. Press Set: parameter y is displayed
followed by two digits that indicate the current year;
5. press Set and set the value of the current year (e.g.: 8=2008), press Set
again to confi rm;
6. press the UP button to select the next parameter, M=month, and
repeat steps 3, 4 and 5 for parameters: M=month, d=day of the
month, u=day of the week, h=hour, m=minutes;
7. to return to the list of main parameters press Prg/mute.
MPXPRO - + 0300055EN rel. 1.0 30/08/10
Category
Icon
Electronic valve
Confi guration
Alarm log
HACCP
RTC
Tab. 3.d
Par. Description
tc
Date/time (Press Set)
y__ Date/time: year
M__ Date/time: month
d__ Date/time: day of the month
u__ Date/time: day of the week
h__ Date/time: hours
n__ Date/time: minutes
Setting the day/night time bands
Procedure:
1. access the type C parameters as described in the corresponding
paragraph and select the RTC category;
2. press UP/DOWN and select the parent parameter tS1=time for
switching from night to day;
3. press Set: the parameter d followed is displayed by one or two digits
that indicate the day for switching from night to day mode, as follows:
• 0 = switching disabled;
• 1 to 7 = Monday to Sunday;
• 8 = Monday to Friday;
• 9 = Monday to Saturday;
• 10 = Saturday & Sunday;
• 11 = every day.
4. press Set to confi rm and go to the next parameters: h = hour, m=
minutes
5. press Set to confi rm and Prg/mute to go to parameter tE1 = time for
switching from day to night.
night
Note: 8 time bands can be set for each day, setting parameters tS1
to tS8 and tE1 to tE8.
3.5 Display Slave controller status from the
Master user terminal (virtual console)
Procedure valid for Master/Slave networks. If a user terminal is connected
directly to the Master controller, the status of any Slave controller can be
displayed (as if the terminal were connected to the Slave controller).
Procedure:
1. press Prg/mute, Set and DOWN together.
2. select the Slave controller to display (u1= Slave 1,...u5= Slave 5);
3. press Set to confi rm;
4. the user terminal now behaves exactly as if it were connected to the
chosen Slave, in terms of icons and texts on the display;
5. press Prg/mute to return to the standard display on the Master. The
normal display is restored in any case after 1 minute, if no any button
is pressed.
The example shows Slave controller 2 selected.
22
Fig. 3.g
Def.
Min
Max
-
-
-
0
0
99
1
1
12
1
1
31
6
1
7
0
0
23
0
0
59
day
night
t
tS
tE
Fig. 3.h
Fig. 3.i
U.O.M.
-
year
month
day
day
hour
min
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