30
ENG
ir33+ VCC
+040000058 - rel. 1.2 - 15.02.2018
Code
Icon on the display
Alarm
relay
Buzzer
Reset Description
‘dFE’
signal
end defrost call
‘On’
signal
switch ON
‘OFF’
signal
switch OFF
‘rES’
signal
reset alarms with manual reset; reset
HACCP alarms; reset temperature
monitoring
Tab. 6.a
Note:
The buzzer is activated if enabled by the parameter ‘H4'
7.
START UP PROCEDURE
In the event of any problems relating to the confi guration, see the following diagram. This provides a
guide to the main critical issues involving the settings.
For any parameters and functions not explained in this document, please see the
ir33+ platform USER
MANUAL , part number
+0300028EN
and downloadable from
www.carel.com
Start of unit
compressor starts
regulation
Check
St; rd; cmf; csc
amb. Temp. over
AH Pull Down
active cPd >
0
check AH; cPd; cMf
Check
cPr; ctl; cdt
Check
cPr; ctl; cdt
Check
refrigeration cycle
Iced
evaporator?
Defrost active?
Check cdf;
d
0
; rtc def.
Compressor
speed F =
150
HZ
Regulation
to slow
Regulation
to fast
Compressor is
working but amb.
Temp. to high
Application is
working with the
right setting
NO
NO
YES
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
Restart procedure
Fig. 7.a