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14
OPERATION
PAR
RANGE
DESCRIPTION
Preset Value
ATM
NON;
ABS;
REL
Alarm threshold management.
NON: all temperature alarms are inhibited (
the following parameter will be
ADO
).
ABS: the values programmed in
ALA
and
AHA
represent the real alarm thresholds.
REL: the values programmed in
ALR
and
AHR
are alarm differentials referred to
SP
and
SP
+
HY
.
Temperature alarm with relative thresholds, refrigerating control (
ATM
=REL,
CH
=REF).
Temperature alarm with relative thresholds, heating control (
ATM
=REL,
CH
=HEA).
ABS
ALA
-50... 120°
Low temperature alarm threshold.
37
AHA
-50... 120°
High temperature alarm threshold.
68
ALR
-12... 0°
Low temperature alarm differential. With
ALR
=0 the low temperature alarm is excluded.
AHR
0... 12°
High temperature alarm differential. With
AHR
=0 the high temperature alarm is excluded.
ATD
0... 120min Delay before alarm temperature warning.
120
ADO
0... 30min
Delay before door open alarm warning.
10
ACC
0...52weeks Condenser periodic cleaning. When the compressor operation time, expressed in weeks, matches the
ACC
value programmed, “CL” flashes in the display. With
ACC
=0 the condenser cleaning warning is
disabled.
0
IISM
NON;
MAN;
Switchover mode to second parameter set
NON: inhibition to use the second parameter group (
the following parameter will be
SB
).
MAN: button
switches the two parameter groups over.
NON
IISL
-50...IISH
Minimum limit for
IISP
setting.
41
IISH
IISL...120°C Maximum limit for
IISP
setting.
64
IISP
IISL... IISH
Setpoint in mode 2.
59
IIHY
1...10°
OFF/ON differential in mode 2.
5
IIFT
NO/YES
Optimised fan control enabling in mode 2.
YES
IIDF
0... 24(1/24h)
Defrost frequency expressed in cycles/24 hours i
n mode 2.
3
SB
NO/YES
Stand-by button enabling.
YES
DS
NO/YES
Door switch input enabling (closed when door is closed).
NO
LSM
NON;
MAN;
DOR
Light control mode
NON : light output not controlled.
MAN : light ouput controlled through button
(if
OAU
=LGT).
DOR : light ouput switched on when door is opened (if
OAU
=LGT).
MAN
OAU
NON;
0-1;
DEF;
LGT;
AL0;
AL1
AUX output operation.
NON : output disabled (always off).
0-1 : the relay contacts follow the on/standby state of controller.
DEF : output programmed for defrost control.
LGT : output enabled for light control.
AL0 : contacts open when an alarm condition occurs.
AL1 : contacts make when an alarm condition occurs.
LGT
INP
SN4; ST1
Temperature sensor selection. With
INP
= SN4, the probes must be the LAE models SN4..; with
INP
=
ST1, the probes must be the LAE models ST1...
SN4
OS1
-12.5..12.5°C Probe T1 offset.
0
T2
NO/YES
Probe T2 enabling (evaporator).
YES
OS2
-12.5..12.5°C Probe T2 offset.
0
TLD
1...30 min
Delay for minimum temperature (TLO) and maximum temperature (THI) logging.
5
SIM
0...100
Display slowdown.
3
ADR
1...255
AD3-5 address for PC communication.
1
