3516526A11 Ed. 02
32
Alarms
Level 1
Level 2
Description
Values Min. Def. Max.
AL
A0
Configuration of the temperature alarms 0=Relative to SP 1=Absolute
0
1
1
A1
Alarm for maximum in sensor 1 (it must be higher than the SP)
ºC/ºF
A2 99.0 99.0
A2
Alarm for minimum in sensor 1 (it must be lower than the SP)
ºC/ºF -50 -50 A1
A3
Delay of temperature alarms in the start-up
min.
0
0
120
A4
Delay of temperature alarms from the end of a defrost
min.
0
0
99
A5
Delay of temperature alarms from when the A1 or A2 value is reached
min.
0
30
99
A6
Delay of external alarm/severe external alarm on receiving digital input signal
(I10 or I20=2 or 3)
min.
0
0
120
A7
External alarm deactivation delay / Severe external alarm on
disappearance of signal at digital input (I10 or I20=2 or 3)
min.
0
0
120
A8
Show warning if the defrost ends for maximum time 0=No 1=Yes
0
0
1
A9
Polarity relay alarm 0= Relay ON in alarm (OFF without alarm);
1= Relay OFF in alarm (ON without alarm)
0
0
1
A10
Differential of temperature alarms (A1 and A2)
ºC/ºF 0.1 1.0 20.0
A12
Delay of open door alarm (if I10 or I20=1)
min.
0
10 120
A20
Minimum superheating value for LSH alarm
K
0
2
SH
A21
LSH alarm activation delay
sec.
0
30 240
A22
LSH alarm hysteresis
K
0.1
2
Sh-
A20
A23
Maximum superheating value for HSH warning
K
sh
40
40
A24
Delayed activation of the HSH warning
s
0
30 240
A25
HSH alarm deactivation hysteresis
K
0.1
2
A23-
sh
A26
Maximum evaporating pressure (MOP)
bar
0
60
60
A27
MOP alarm activation delay (Delay time for activating alarm after threshold
has been exceeded)
sec.
0
30 240
A28
MOP alarm deactivation hysteresis (When the pressure drops below the
MOP-hysteresis level the alarm is deactivated)
bar
0.1
1
60
A29
Minimum evaporating pressure (LOP)
bar
-1
0
8
A30
LOP alarm activation delay (Delay time for activating alarm after threshold has
been exceeded)
sec.
0
30 240
A31
LOP alarm deactivation hysteresis (When the pressure exceeds the LOP+
hysteresis level the alarm is deactivated)
bar
0.1
1
8
EP
Output to level 1
