24
Setpoint
Pressing the Set key allows you to enter the Set point level accessible to the user. The parameters that can be set are listed below, along with the
limit values and the default values (standard shop settings):
Each alarm is memorized in alarm history. If it is of manual reset type, its code is indicated in previous table. On the other hand, if it is of automatic
reset type, it is recorded with a special code as shown in table below:
User parameters
Control mode
Min value
Max value
Default
Cooling Setpoint
RWT Return Control
8
20
10
LWT Leaving Control
6
20
8
Cooling Setpoint - glycol water
RWT Return Control
-15
20
10
LWT Leaving Control
-15
20
8
Proportional band
RWT Return Control
1
10
5
Neutral band
LWT Leaving Control
1
6
2
Heating Setpoint
RWT Return Control
20
45
40
LWT Leaving Control
20
50
40
Languages
——
ITA ENG FRE GER SPA
ITA
System On/Off
System 1 #
——
OFF
ON
OFF
System 2 #
——
OFF
ON
OFF
Unit management
Cooling
Heating
6 - Control (continued)
Alarm
Description
Comp SYS 1
Status
Comp SYS 2
Status
Fan SYS 1
Status
Fan SYS 2
Status
Pump
Status
Reset
Auto/Man
AL55
Low suction alarm SYS 1
OFF
ON
OFF
ON
ON
MAN
AL58
S1 sensor fault
OFF
ON
OFF
ON
ON
MAN
AL59
S2 sensor fault
OFF
ON
OFF
ON
ON
MAN
AL61
EVD Lan disconnected
OFF
OFF
OFF
OFF
OFF
MAN
AL62
Regulation alarm SYS 1
OFF
ON
OFF
ON
ON
MAN
AL63
Autotune alarm SYS 1
OFF
ON
OFF
ON
ON
MAN
AL64
EEV Motor error (check wirings)
ON
OFF
ON
OFF
ON
MAN
AL65
MOP timeout (check timeout)
ON
OFF
ON
OFF
ON
MAN
AL66
LOP timeout (check timeout)
ON
OFF
ON
OFF
ON
MAN
AL67
Low SuperHeat (check timeout)
ON
OFF
ON
OFF
ON
MAN
AL68
Low suction alarm SYS 2
ON
OFF
ON
OFF
ON
MAN
AL69
Battery alarm
OFF
OFF
OFF
OFF
OFF
MAN
AL71
S3 sensor fault
ON
OFF
ON
OFF
ON
MAN
AL72
S4 sensor fault
ON
OFF
ON
OFF
ON
MAN
AL74
Regulation alarm SYS 2
ON
OFF
ON
OFF
ON
MAN
AL75
Autotune alarm SYS 2
ON
OFF
ON
OFF
ON
MAN
Alarm description
Manual reset code
Auto reset code
Lack of flow
AL04
AL904
SYS#1 low suction pressure
AL05
AL905
SYS#2 low suction pressure
AL06
AL906
SYS#1 high pressure supply
AL07
AL907
SYS#2 high pressure supply
AL08
AL908
SYS#2 thermal compressor 1
AL91
AL901
SYS#2 thermal compressor 2
AL92
AL902
SYS#2 thermal compressor 3
AL93
AL903
SYS#1 thermal compressor 1
AL101
AL991
SYS#1 thermal compressor 2
AL102
AL992
SYS#1 thermal compressor 3
AL103
AL993
