Carel ir33+ small wide User Manual page 19

Note:
•
To move from the parameters in one category to another, when
displaying the parameter code, press Prg to show the category and UP
and DOWN to move from one category to another;
•
if no button is pressed for 10s, the display starts fl ashing, and after 1
minute automatically returns to the standard display;
•
to increase the scrolling speed, press and hold the UP/DOWN button for
at least 5 seconds;
•
all the changes made to the parameters, temporarily stored in the
RAM, can be cancelled, by not pressing any button for 60 seconds, thus
returning to the standard display. The values of the clock parameters
(rtc), however, are saved when entered.
Parameter categories
Category Text Icon
Probes Pro
Control CtL
Compressor CMP
Defrost dEF
Alarms ALM
The following examples apply to models fi tted with RTC.
Example 1: setting the current time/date
1. Access the type C parameters as described in the corresponding
paragraph;
2.
Press UP/DOWN and select the parent parameter tc, or alternatively
press the PRG button to select the "rtc" parameter category and then
the parameter tc;
3.
Press Set: parameter y is displayed, followed by two digits that
indicate the current year;
4. Press Set and set the value of the current year (e.g.: 12=2012), press
Set again to confi rm;
5.
Press UP to select the next parameter - month, and repeat steps 3
and 4 for the following parameters:
6. 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 and then
access parameters ton and toF (see the following paragraph), or
alternatively:
8.
To save the settings, press Prg/mute for 5 seconds and exit the
parameter setting procedure.
Example 2: setting the light/auxiliary output (aux) On/Off time
1. Access the type C parameters as described in the corresponding
paragraph;
2.
Press UP/DOWN and select the parent parameter ton = on time;
3.
Press Set: parameter d is displayed , followed by one or two digits that
represent the on day, as follows:
0 = function 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 on time parameters h/m=hours/
minutes;
Category Text Icon
Fan FAn
Confi guration CnF
HACCP HcP
Clock rtc
Tab. 3.g
5. To return to the list of main parameters, press Prg/mute and then
access parameter toF = off time;
6. To save the settings, press Prg/mute for 5 seconds and exit the
parameter setting procedure.
Note: only one on or off event can be programmed.
Setting the default parameters
To set the parameters to the default values:
•
Power down the controller;
•
Press Prg/mute;
•
Power up the controller holding the Prg/mute button, until the
message "Std" is shown on the display, after 5 s.
Note: this will cancel any changes made and restore the original
values set by the manufacturer, i.e. the default values shown in the
parameter table.
Testing the display and keypad on start-up
To access test mode:
1.
Switch the controller on;
2. Press Prg when the three segments on the display are all on (stage 3
in the table below).
Stage Display Keypad
First Display com- Press Prg for 5 seconds to set the default values
pletely off for 5
seconds
Second Display comple- No eff ect
tely on for 2 s
Third 3 segments ("-- Pressing each button lights up a specifi c seg-
-") on
ment. Note: in this stage, the
the Real Time Clock (RTC) is fi tted
Fourth Normal opera- Normal operation
tion
The sequence of buttons to be pressed to test the display in stage 3 is
described below.
ir33+
19
ENG
icon indicates
Tab. 3.h
ir33plus +0300028EN rel. 1.1 - 05.05.2017