
Parameters for alarm- and error conditions
Para-
meter
Function Adjustment
range
Standard
setting
Customer
setting
A0
Hysteresis for alarm contact
1...15 K
2 K
A1
Minimum limit value
-55...0 K
0= inactive
-10 K
A2
Maximum limit value
0...+99 K
0= inactive
10 K
A3
Alarm suppression time after
“cooling on”
0...15 Std.
2 h
A4
Effect of external alarm input N/A
A5
Alarm suppression time after
temperature alarm
0...60 min.
10 min.
A6
Alarm limits
0: relative to the setpoint
1: absolute
0
A7
Alarm suppression time after
night time reduction
0...60 min.
10 min.
Parameters for the ventilator
Para-
meter
Function Adjustment
range
Standard
setting
Customer
setting
F0
Ventilator control
0: dependent on temperature
1: continuous on
0
F1
Ventilator setpoint
-99...+99°C
-1°C
F2
Switching hysteresis
ventilator
2...15 K
2 K
F3
Behaviour at compressor
stop
0: ventilator independent of
compressor
1: ventilator off together with
compressor
1
F4
Behaviour at defrosting
0: ventilator independent of
defrosting
1: ventilator off together with
defrosting
2: ventilator on together with
defrosting
1
F5
Ventilator delay time after
defrosting
0...15 min.
2 min.
F6
Ventilator control
0: absolute control
1: dynamic control
0
F7
Ventilator revolution number
at normal cooling operation
0...100%
100%
F8
Ventilator revolution number
during night time reduction
0...100%
100%
F9
Ventilator revolution number
at defrosting
0...100%
100%