T-CU19-JAN24-1
Page 24
Mask Index
Variable Description
Default Setting
UoM
Db07
Pressure regulation - differential
3.0
barg
De01
Condenser pressure high alarm
ABSOLUTE
De01
Condenser high pressure - alarm delay
5
s
De02
Condenser high pressure - threshold
28.0
barg
De02
Condenser high pressure - alarm diff
7
De03
Condenser pressure low alarm
ABSOLUTE
De03
Condenser low pressure - alarm delay
5
s
De04
Condenser low pressure - alarm diff
1.0
barg
De04
Condenser low pressure - threshold
6.0
barg
Dg01
Modulating speed device
PHASE CUT
CONTROL
Dg02
Min out value
4.5
V
Dg02
Max out value
10
V
Dg02
Min power ref
0
%
Dg02
Max power ref
100
%
Dg03
Rising time
5
s
Dg03
Falling time
5
s
Dg03
Num. control fans
1
Alarm Settings
The alarms below are in ascending order of priority. When there is any alarm, the alarm code will be displayed on the main
screen and the alarm LED will be on or blinking.
Table 17: List of Alarm Code
Alarm
Code
Display description
Reset
Delay
Alarm
relay
Action
ALU02
Regulation probe(s) missing
Automatic
Not
present
Not
present
Shutdown Unit
ALA01
Discharge temperature probe broken or
disconnected
Automatic
60 s
R2
Related functions disabled
ALA02
Condenser pressure probe broken or
disconnected
Automatic
60 s
R1
Related functions disabled
ALA03
External temperature probe broken or
disconnected
Automatic
60 s
R2
Related functions disabled
ALA24
Suction pressure probe broken or
disconnected
Automatic
60 s
R1
Related functions disabled
ALA25
Suction temperature probe broken or
disconnected
Automatic
60 s
R2
Related functions disabled
ALA46
Vapor injection pressure probe broken or
disconnected
Automatic
60 s
R1
Related functions disabled
ALA47
Vapor injection temperature probe broken
or disconnected
Automatic
60 s
R1
Related functions disabled
ALB01
Low common suction pressure by
pressostat Num.autom.reset: /in min
Semiautomatic 5/60min R1
Shutdown compressor
ALB02
High common condensing pressure by
pressostat
Automatic
0 s
R1
Shutdown compressor
ALB03
Low condenser pressure alarm
Automatic
5 s
R1
Fan Forcing at 0%
ALB04
High condenser pressure alarm
Automatic
5 s
R1
Fan Forcing at 100% (5 min.)
and shutdown compressor
ALB15
High suction pressure alarm
Automatic
5 s
R1
-
ALB16
Low suction pressure alarm
Automatic
10 s
R1
-
ALC01
Alarm 1 compressor 1:
Automatic
0 s
Config. Shutdown compressor
ALG01
Clock board error
Automatic
-
R2
Related functions disabled
ALG02
Extended memory error
Automatic
-
R2
Related functions disabled
ALT01
Compressors working hours
Manual
-
Not
present
-
ALT19
DSH Low Liquid flowback
Manual
60 s
R1
Shutdown compressor
ALW24
Power+ n° Device Offline
Semiautomatic 2 s
R1
Shutdown compressor
ALW25
Power+ n°
Semiautomatic
Not
present
R1
Shutdown compressor
ALW26
Compressor start failure (tempt.: / max.: )
Semiautomatic
Not
present
R1
-
ALW27
Envelope alarm Zone:
Num.autom.reset: /in min
Automatic
5/60min R1
Shutdown compressor
ALW28
High discharge gas temperature
Automatic
10 s
R1
-
