Carel IR33D7LR20 User Manual

16
Fig. 3.b
Fig. 3.c
ENG
ir33 universale +030220801 - rel. 1.0 - 16.04.2008
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/o 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 (con guration);•
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 and the digital inputs (if enabled).•
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 •
(con guration).
Tab. 3.b
3.3 Programming
The operating parameters can be modi ed using the front keypad. Access
di ers depending on the type: set point, frequently-used parameters (P)
and con guration parameters (C). Access to the con guration parameters
is protected by a password that prevents unwanted modi cations or
access by unauthorised persons. The password can be used to access and
set all the control parameters.
3.3.1 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 con rm the new value of St1;
•
the display returns to the standard view.•
3.3.2 Setting set point 2 (St2)
In operating modes 6, 7, 8 and 9 (see the chapter on Functions) 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 con rm the new value of St2;
the display returns to the standard view.•

Carel IR33D7LR20 Specifications

General

Brand	Carel
Model	IR33D7LR20
Category	Controller
Language	English