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3.2 Keypad
Pressing the button alone:
• If pressed for more than 5 seconds, accesses the menu for setting the type P parameters (frequent);
• Mutes the audible alarm (buzzer) and deactivates the alarm relay;
• When editing the parameters, pressed for 5 s, permanently saves the new values of the parameters;
• When setting the time and the on/off times returns to the complete list of parameters.
Pressing together with other buttons
• If pressed for more than 5 seconds together with Set, accesses the menu for setting the type C parameters (configuration);
• If pressed for more than 5 seconds together with UP, resets any alarms with manual reset (the message ‘rES’ indicates the alarms
have been reset); any alarm delays are reactivated;
Start up
• If pressed for more than 5 seconds at start up, activates the procedure for loading the default parameter values.
(UP) Pressing the button alone:
• Increases the value of the set point or any other selected parameter
Pressing together with other buttons
• If pressed for more than 5 seconds together with Prg/mute, resets any alarms with manual reset (the message ‘rES’ indicates the
alarms have been reset); any alarm delays are reactivated.
(DOWN) Pressing the button alone:
• Decreases the value of the set point or any other selected parameter.
• In normal operation accesses the display of the second probe, digital inputs and set point.
Pressing the button alone:
• If pressed for more than 1 second displays and/or sets the set point
• Pressing together with other buttons
• If pressed for more than 5 seconds together with Prg/mute, accesses the menu for setting the type C parameters (configuration).
Tab. 3.b
3.3 Programming
3.3.3
The operating parameters can be modified using the front keypad. Access
differs depending on the type: set point, frequently-used parameters (P)
and configuration parameters (c). Access to the configuration parameters
is protected by a password that prevents unwanted modifications or
access by unauthorised persons. The password can be used to access and
set all the control parameters.
3.3.1
Setting type P parameters
Type P parameters (frequents) are indicated by a code beginning with the
letter P, followed by one or two numbers.
1. Press
for more than 5 seconds (if an alarm is active, the buzzer
is muted), the display shows the code of the first modifiable type P
parameter, P1;
2. Press
or
until reaching the desired parameter. When
scrolling, an icon on the display shows the category the parameter
belongs to (see the table below and the table of parameters);
3. Press Set to display the associated value;
4. Increase or decrease the value using
or
respectively, until
reaching the desired value;
5. Press Set to temporarily save the new value and return to the display
of the parameter code;
6. Repeat operations from 2) to 5) to set other parameters;
7. To permanently save the new values of the parameters, press
for 5 s, thus exiting the parameter setting procedure.
Setting set point 1 (St1)
To change set point 1 (default =20°C):
• press Set: the display shows St1 and then the current value of St1;
• press
or
to reach the desired value;
• press Set to confirm the new value of St1;
• the display returns to the standard view.
Important:
• If no button is pressed for 10s, the display starts flashing,
and after 1 minute automatically returns to the standard display,
without saving the changes.
• To increase the scrolling speed, press and hold the
/
button
for at least 5 seconds
Fig. 3.c
3.3. 2
Setting set point 2 (St2)
In operating modes 6, 7, 8 and 9 (see the chapter on Functions) and when
c19=2,3,4 and 7 (see the chapter on Control) the controller works with
two set points.
To change set point 2 (default =40 °C):
• press Set: twice slowly: the display shows St2 and then the current
value of St2;
• press
or
until reaching the required value;
• press Set to confirm the new value of St2;
• the display returns to the standard view.
Fig. 3.e
Fig. 3.d
ir33 universale +030220801 - rel. 2.0 - 16.04.2010
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