Carel ir33+ small wide User Manual

18
ENG
ir33plus +0300028EN rel. 1.1 - 05.05.2017
3.4 easy wide, easy small wide keypad
Button
Normal operation
Start-up
Pressing the button alone Pressing together with other buttons
PRG/MUTE
If pressed for more than 3 seconds, accesses the type “F” pa-
rameters (frequent) or the menu for setting the password
to access the type “C” parameters (Con guration);
mutes the audible alarm (buzzer) and deactivates the alarm
relay
PRG/MUTE+UP/CC: if pressed together for
more than 3 seconds, resets any alarms with
manual reset
If pressed for more than 3 seconds, at po-
wer on, activates the procedure for setting
the default parameters
ON-OFF
If pressed for more than 3 seconds, switches the controller
ON/OFF
AUX
If pressed for more than 1 s, activates/deactivates the
auxiliary output
DOWN/DEF
If pressed for more than 5 s, activates/deactivates the
manual defrost
UP/CC
If pressed for more than 3 seconds, activates/deactivates
the continuous cycle
UP/CC+MUTE: if pressed together for more than 3 seconds, resets any alarms with manual
reset;
UP/CC+SET: if pressed together for more than 3 seconds, displays the defrost temperature
SET
If pressed for more than 1 s, displays and/or sets the set
point
LIGHT
If pressed for more than 1 s, activates/deactivates the
auxiliary output
HACCP
Accesses the menu to display and delete the HACCP alarms
Tab. 3.f
3.5 Programming
The operating parameters can be modi ed using the front keypad. Access
di ers depending on the type: set point, frequently-used parameters (F)
and con guration parameters (C). The type of parameter is speci ed in the
table of parameters. Access to the con guration parameters is protected
by a password for the con guration parameters that prevents unwanted
modi cations or access by unauthorised persons. The password can be
used to access and set all the control parameters.
Setting the set point
To change the set point St (default =0°C):
• press Set for more than 1 s: the display shows Set and then the current
value of St;
• press UP/DOWN until reaching the desired value;
• press Set to save the new value of St.

Setting type F parameters
Type F parameters include the set point, di erential, temperature
monitoring interval, interval between defrosts, end defrost temperature,
dripping time, alarm thresholds, alarm bypass times, etc. See the
parameter table.
Procedure:
1. press Prg/Mute one or more times to return to the standard display;
2. press Prg/Mute for more than 3 seconds (if an alarm is active, the
buzzer is muted): the display will show the code PS (Password) and
the number 0;
3. press Set, the display shows parameter St;
4. press UP or DOWN until reaching the desired parameter: when
scrolling, an icon is displayed that represents the category the
parameter belongs to (see the table below and the parameter table);
5. press Set to display the value of the parameter;
6. press UP/DOWN until reaching the desired value;
7. press Set to temporarily save the new value and display the parameter
code again;
8. Repeat steps 4) to 7) to set other parameters;
9. To permanently save the new values of the parameters, press Prg/
Mute for 5 seconds. This exits the parameter setting procedure.

Setting type C parameters
Type C parameters include the type F parameters plus all the other
control parameters.
Procedure:
1. press Prg/Mute one or more times to return to the standard display;
2. press Prg/Mute for more than 3 seconds (if an alarm is active, the
buzzer is muted): the display will show the code PS (Password) and
the number 0;
3. press UP/DOWN and enter the password: 22. Press Set, the display
shows parameter /2;
4. press UP or DOWN until reaching the desired parameter: when
scrolling, an icon is displayed that represents the category the
parameter belongs to (see the table below and the parameter table);
5. press the SET button to display the value of the parameter;
6. press UP/DOWN until reaching the desired value;
7. press Set to temporarily save the new value and display the parameter
code again;
8. repeat steps 4) to 7) to set other parameters;
9. to permanently save the new values of the parameters, press Prg/
Mute for 5 seconds. This exits the parameter setting procedure.

Important:
• 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 (F and C), 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 con rming with Set.

Carel ir33+ small wide Specifications

General

Brand	Carel
Model	ir33+ small wide
Category	Controller
Language	English