ALFA(NET) 75 RTDF -50/+50°C
Doc.no.: 150014 version 1.0
Page 5 of 8
14.1
Parameters ALFA(NET) 75 RTDF
Para-
meter
Description Parameter
Range
Default
value
01
Switching differential
0.1 ... 15.0°C
0.5
02
Minimum setpoint setting
-50.0 … +50.0°C
-50
03
Maximum setpoint setting
-50.0 … +50.0°C
+50
04
Read out above -10°C per 1°C
0 = No, 1 = Yes
0
Sensor-settings
05
Offset Control-sensor (room)
-15.0 … +15.0°C
0.0
06
Read out Defrost-sensor
-
-
07
Offset Defrost-sensor
-15.0 … +15.0°C
0.0
08
Defrost-sensor present
0 = No, 1 = Yes
0
Cooling-settings
10
Start-up delay cooling
0 … 99
0
11
Switch-off delay cooling
0 … 99
0
12
Parameter 10/11 in seconds or minutes
0 = Sec., 1 = Min.
0
13
Minimum on-time cooling
0 … 99 Minutes
0
14
Minimum off-time cooling
0 … 99 Minutes
0
Fan-settings
20
Switching differential fan active
0 = No, 1 = Yes
0
21
Switching differential fan
0 … +50.0°C
2.0
22
Fan off as compressor is off
0 = No, 1 = Yes
0
23
Switch-off delay fan
0 … 99 Minutes
0
24
Defrost mode
0 = only fan-relay,
1 = only defrost-relay
0 = Natural
1 = Hotgas / Elec.
0
25
Switch-on delay-temperature fan after defrost
-50.0 … +50.0°C
2.0
26
Switch-on delay-time fan after defrost
0 … 99 Minutes
0
27
Dripoff-time
0 … 99 Minutes
0
Defrost-settings
30
Defrost-interval-time
1 …99 Hours
12
31
Maximum defrost-time
0 … 99 Minutes
15
32
End of defrost temperature
-50.0 … +50.0°C
2.0
33
Compressor on while defrosting
0 = No, 1 = Yes
0
34
Defrosting on compressor-time
0 = No, 1 = Yes
0
35
Temperature display locked during defrost cycle
0 = No, 1 = Yes
0
36
Start with defrost after power-up
0 = No, 1 = Yes
0
37
Defrost on-delay after power-up
0 … 99 Minutes
0
Alarm-settings
40
Alarm mode
0 = None
1 = Absolute
2 = Relative
1
41
Minimum alarm setpoint
-50.0 … +50.0°C
-50.0
41
Maximum alarm setpoint
-50.0 …+50.0°C
+50.0
43
Time-delay minimum alarm
0 … 99 Minutes
0
44
Time-delay maximum alarm
0 … 99 Minutes
0
45
Control-delay after power-failure
0 … 99 Minutes
0
46
Compressor on at control-sensor failure
0 = No, 1 = Yes
0
47
Compressor off at minimum alarm
0 = No, 1 = Yes
1