Carel IR33E9HR20 User Manual

22
ENG
ir33 universale +030220801 - rel. 2.1 - 21.06.2011
Fig. 3.k
7. To save the settings press
for 5 seconds and exit the parameter
setting procedure, thus saving the settings permanently.
3.4.3 Setting the default parameters
To set the parameters to the default values:
• Power down the controller;
• Press ;
• Power up the controller holding the , button, until the message
“Std” is shown on the display.
This will cancel any changes made and restore the original values set
by the manufacturer, that is, the defaults shown in the table of
parameters, except for the password, which if changed from ComTool or
the supervisor retains the value set previously.
3.4.4 Test display and keypad at start-up
Step Display Keypad Note
One Display comple-
tely o for 5 s
Press PRG for 5 seconds to
set the defaults
Two Display comple-
tely on for 2 s
No e ect
Three 3 segments (“--
-”) on
When pressing each but-
ton a dedicated segment
lights up
This step
indica-
tes whether the RTC
is installed
Four Normal opera-
tion
Normal operation
Tab. 3.c
Fig. 3.l
3.4.5 Alarms with manual reset
The alarms with manual reset can be reset by pressing and p
together for more than 5 seconds.
3.4.6 Activating the operating cycle
The operating cycle activation mode is selected using parameter P70
(see the chapter on Control). Below is a description of the activation
procedure from the keypad (manual), digital input and RTC (automatic).
3.4.7 Manual activation (P70=1)
During the normal operation of the controller, pressing the button
for 5 seconds displays CL, which indicates “operating cycle”. mode is being
accessed The operating cycle features 5 temperature/time steps, which
need to be set (see the chapter on Control). The operating cycle will be
run and the clock icon will  ash.
Fig. 3.m
The operating cycle ends automatically when it reaches the  fth step. To
stop an operating cycle before the end, press the button again for 5
seconds. The message “StP” (stop) will be displayed.
Fig. 3.n
3.4.8 Activation from digital input 1/2 (P70=2)
To activate the operating cycle from digital input 1, set P70=2 and c29=5.
For digital input 2 set P70=2 and c30=5. Connect the selected digital
input to a button (NOT a switch). To activate the operating cycle, brie y
press the button: this will be run, and the clock icon will  ash. To stop an
operating cycle before the end, press the button again for 5 seconds.
The message “StP” (stop) will be displayed.
3.4.9 Automatic activation (P70=3)
The automatic activation of an operating cycle is only possible on the
models  tted with RTC.
To activate an operating cycle automatically:
• Set the parameters for the duration of the step and the set point
(P71-P80);
• Program the controller automatic on/o times – parameters ton and
toF;
• Set parameter P70=3.
The operating cycle will start automatically when the controller switches
on. To terminate an operating cycle in advance, press for 5 seconds.
Termination of the operating cycle is indicated by the message “StP”
(stop).
3.4.10 Auto-Tuning activation
See the chapter on Control. Auto-Tuning is incompatible with
independent operation (c19=7).

Carel IR33E9HR20 Specifications

General

Brand	Carel
Model	IR33E9HR20
Category	Control Unit
Language	English