GB.GOLDSKE.160901
96 www.swegon.com
We reserve the right to alter specifications without notice.
Alarm No.
Alarm text
Function
Priority Stop Delay Resetting
0 = Blocked 0 = In operat. s = second 0 = manual
A = A alarm 1 = Stop m = minute 1 = automatic
B = B alarm h=hour
Alarm group 19-20: Spare
Alarm group 21: COOL DX
21:1 COOL DX, I/O MODULE NO. 2 COMMUNICATION ERROR
The AHU control unit cannot establish correct communica-
tion with I/O module No. 2 for the COOL DX.
B 0
3)
10 s 1
21:2 COOL DX, COMPRESSOR NO. 1 LOW PRESSURE SENSOR
DEFECTIVE
Low pressure sensor is defective or is not connected.
A
1)
0
3)
5 s 1
21:3 COOL DX, COMPRESSOR NO. 1 LOW PRESSURE BELOW
ALARM LIMIT
The low pressure sensor measures lower pressure than pre-
set alarm limit pressure.
A
1)
0
3)
5 s 0
21:4 COOL DX, COMPRESSOR NO. 1 HIGH PRESSURE SENSOR
DEFECTIVE
High pressure sensor is defective or is not connected.
A
1)
0
3)
5 s 1
21:5 COOL DX, COMPRESSOR NO. 1 HIGH PRESSURE ABOVE
ALARM LIMIT
The high pressure sensor measures higher pressure than
preset alarm limit pressure.
A
1)
0
3)
3 s 0
21:6 COOL DX, COMPRESSOR NO. 1 MONITORING TRIPPED
Monitoring of compressor is defective.
A 0
3)
20 s 0
21:7 COOL DX, COMPRESSOR NO. 1 RESTART ERROR
Compressor will not restart.
A 0
3)
10 s 0
21:8 COOL DX, COMPRESSOR NO. 2 LOW PRESSURE SENSOR
DEFECTIVE
Low pressure sensor is defective or is not connected.
A
1)
0
3)
5 s 1
21:9 COOL DX, COMPRESSOR NO. 2 LOW PRESSURE BELOW
ALARM LIMIT
The low pressure sensor measures lower pressure than pre-
set alarm limit pressure.
A
1)
0
3)
5 s 0
21:10 COOL DX, COMPRESSOR NO. 2 HIGH PRESSURE SENSOR
DEFECTIVE
High pressure sensor is defective or is not connected.
A
1)
0
3)
5 s 1
21:11 COOL DX, COMPRESSOR NO. 2 HIGH PRESSURE ABOVE
ALARM LIMIT
The high pressure sensor measures higher pressure than
preset alarm limit pressure.
A
1)
0
3)
3 s 0
21:12 COOL DX, COMPRESSOR NO. 2 MONITORING TRIPPED
Monitoring of compressor is defective.
A 0
3)
20 s 0
21:13 COOL DX, COMPRESSOR NO. 2 RESTART ERROR
Compressor will not restart.
A 0
3)
10 s 0
21:14
COOL DX, OUTDOOR AIR TEMPERATURE SENSOR DEFECTIVE
Outdoor air temperature sensor is defective or is not con-
nected.
B 0
3)
3 s 1
21:15 COOL DX, PHASE SEQUENCE MONITOR ERROR
Phase sequence protection for feed voltage to COOL DX has
tripped.
A 0
3)
5 s 0
Alarm group 22: Spare
Alarm group 23: SMART Link
23:1 SMART Link, COMMUNICATION ERROR
The air handling unit’s control unit cannot establish correct
communication with the chiller/heat pump.
A 0
3)
30 s 1
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