Carel ir33+ FMC - Digital Input Configuration; Frost Protection Alarm

16
ON
OFF
ALARM
AFr
ALF
S
t
t
AdF
ENG
ir33+ wide Fullmotion - +040000055 - rel. 1.0 - 09.06.2014
3.14 Digital input conguration
If the digital input is congured as an immediate alarm A4 = 1/2 the compressor is controlled according to
parameter A6.
Cod. Parameter UOM Dis. Type Def. Max Min
A4 Digital input 1 conguration (DI1)
1 = immediate external alarm
2 = delayed external alarm
- C
I
0 14 0
A5 Digital input 2 conguration (DI2)
See A4
- C
I
0 14 0
A6 Stop compressor on external alarm
0 = compressor always o ;
100 = compressor always on
Min C
I
0 100 0
A7 Digital alarm input delay
0 = control outputs unchanged
Min C
I
0 250 0
Tab. 3.l
3.15 Frost protection alarm
The probe has to be set as a frost protection probe, see parameter list and diagram below.
If this probe measures a temperature less than the threshold ALF for a time greater than AdF, the alarm “AFr”
(manual reset) is activated and the Fullmotion compressor is switched OFF.
Fig. 3.g
Cod. Parameter UOM Dis. Type Def. Max Min
/A2
Probe 2 conguration (S2)
0 Absent
1 Product (display only)
2 Defrost
3 Condenser
4 Frost
- C
I
2 4 0
/A3
Probe 3 conguration (S3/ DI1) see /A2
0 = Digital input 1
- C
I
0 4 0
/A4
Probe 4 conguration (S4/ DI2) see /A2
0 = Digital input 2
- C
I
0 4 0
ALF Frost protection alarm threshold °C/°F C I -28 200 -50
AdF Frost protection alarm delay Min C I 1 15 0
Tab. 3.m
Alarms involved
Cod. Message
AFr Frost protection alarm