1592015820 User manual IC260_261L_D DUO FW1.9 rel. 1.0
Pag. 137 of 149
Ar 15
Setpoint for boiler heaters (on) in chiller
-30.0
-22
70.0
158
°C
°F
Dec
int
Ar 16
Proportional band for boiler heaters in chiller
-30.0
-22
70.0
158
°C
°F
Dec
int
Boiler function in heat pump
Ar 17
Setpoint for boiler heaters (on) in HP
-30.0
-22
70.0
158
°C
°F
Dec
int
Ar 18
Proportional band for boiler heaters in HP
0.1
0
25.0
45
°C
°F
Dec
int
Ar 19
External air setpoint to stop the compressor as integration function
-30.0
-22
70.0
158
°C
°F
Dec
int
Ar 20
External air differential to stop the compressor as integration function
0.1
0
25.0
45
°C
°F
Dec
int
Anti freeze alarm
Ar 21
Termoregulation probe anti freeze alarm in chiller mode
0= Not enabled
1= Evaporator inlet
2= Evaporator outlet 1 and 2
3= Evaporator outlet 1 and 2 and common outlet
4= External temperature
0
4
Ar 22
Termoregulation probe anti freeze alarm in heat pump mode
0= Not enabled
1= Evaporator inlet
2= Evaporator outlet 1 and 2
3= Evaporator outlet 1 and 2 and common outlet
4= External temperature
0
4
Ar 23
Termoregulation probe anti freeze alarm water condenser
0= not enabled.
1= Condenser common water inlet probe.
2= Condenser common water inlet and condenser inlet 1 / 2 probe.
3= Condenser water outlet 1 / 2 probe.
4= Condenser water outlet 1 / 2 and common outlet.
0
4
Anti freeze alarm
Ar 24
Water pump / antifreeze alarm in OFF/ stand-by
0= Aways in OFF
1= ON only with thermoregulation control
0
1
Ar 25
Termoregulation probe water pump in antifreeze mode
0= Not enabled
1= Evaporator inlet
2= Evaporator outlet 1 and 2
3= Evaporator outlet 1 and 2 and common outlet
4= External temperature
0
4
Ar 26
Set point starting water pump in antifreeze alarm
-30.0
-22
70.0
158
°C
°F
Dec
int
Ar 27
Differential starting water pump in antifreeze alarm
0.1
0
25.0
45
°C
°F
Dec
int
Defrost
Parameter
Description
min
max
udm
Risoluzione
dF 1
Defrost configuration:
0= Not enabled
1= Start and stop for temperature / pressure
2= Start depends on probe selected by par. dF24 and stop for time duration (dF05)
3= Start depends on probe selected by par. dF24 and stop for external contact
4= Defrost only with condenser fan
5= Start from digital input and stop on probe selected by par. dF24
0
5
dF 2
Temperature or pressure of the defrost start-up
-30.0
-22
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
Int
dF 3
Temperature or pressure of the defrost stop
-30.0
-22
0.0
0
70.0
158
50.0
725
°C
°F
bar
psi
Dec
int
Dec
Int
dF 4
Minimum defrost duration.
0
250
Sec
dF 5
Maximum defrost duration.
0
250
Min
dF 6
Time delay between the defrost of two circuits
0
250
Min
dF 7
OFF compressor delay before the defrost
0
250
Sec
dF 8
OFF compressor delay after the defrost
0
250
Sec
dF 9
Defrost interval time of the same circuit
1
99
Min
dF 10
Temperature setpoint for combined defrost of the 1st circuit after parameter DF10
counting.
-30.0
-22
70.0
158
°C
°F
Dec
int
dF 11
Temperature setpoint for combined defrost end of the 1st circuit.
-30.0
-22
70.0
158
°C
°F
Dec
int
dF 12
Temperature setpoint for combined defrost of the 2nd circuit after parameter DF10
counting.
-30.0
-22
70.0
158
°C
°F
Dec
int
dF 13
Temperature setpoint for combined defrost end of the 2nd circuit.
-30.0
-22
70.0
158
°C
°F
Dec
int
dF 14
Activation of all the steps of the 1st circuit during the defrost.
0= Not enabled
1= Enabled
0
1
dF 15
Activation of all the steps of the 2nd circuit during the defrost.
0= Not enabled
1= Enabled
0
1
dF 16
Time delay between two compressor ON in defrost mode
0
250
Sec
