VDH ALFA 75 RTDF, User Manual

Page: 4 / 8

4
* Parameters ALFA 75 RTDF.
Para-
meter Description Parameter Range Default
Value
01
02
03
04
05
06
07
08 Switching differential
Minimum setpoint
Maximum setpoint
Read out above -10
/
C per 1
/
C
Offset Control-sensor
Read out Defrost-sensor
Offset Defrost-sensor
Defrost sensor present
0,1..15,0 / C
-50..+50
/
C
-50..+50
/
C
0=No, 1=Yes
-15,0..+15,0
/
C
-
-15,0..+15,0
/
C
0=No, 1=Yes
0,5
-50
+50
0
0,0
-
0,0
0
10
11
12
13
14 Start-up delay Cooling
Switch-off delay Cooling
Parameter 10/11 in Sec. or Min.
Minimum on-time Cooling
Minimum off-time Cooling 0..99
0..99
0=Sec., 1=Min.
0..99 Minutes
0..99 Minutes 0
0
0
0
0
20
21
22
23
24
25
26
27
Switching differential Fan active
Switching differential Fan
Fan off as Compressor is off
Switch-off delay Fan
Defrost mode 0=only fan-relay,
1=only defrost-relay
Switch-on delay-temp. fan after defrost
Switch-on delay-time fan after defrost
Dripoff-time 0=No, 1=Yes
0..+50
/ C
0=No, 1=Yes
0..90 Minutes
0=Natural
1=Hotgas/Elec.
-50..+50
/
C
0..90 Minutes
0..90 Minutes
0
2,0
0
0
0
2,0
0
0
30
31
32
33
34
35
36
37
Defrost-interval-time
Maximum defrost-time
End of defrost temperature
Compressor on while defrosting
Defrosting on compressor-time
Temperature display locked during
defrost cycle
Start with defrost after power-up
Defrost on-delay after power-up 1..99 Hours
0..99 Minutes
-50..+50
/
C
0=No, 1=Yes
0=No, 1=Yes
0=No, 1=Yes
0=No, 1=Yes
0..99 Minutes
12
15
2,0
0
0
0
0
0
40
41
42
43
44
45
46
47
Alarm mode
Minimum alarm setpoint
Maximum alarm setpoint
Time-delay minimum alarm
Time-delay maximum alarm
Control-delay after power failure
Compressor on at control-sensor failure
Compressor off at minimum alarm
0=None,
1=Absolute
2=Relative
-50..+50
/
C
-50..+50
/
C
0..99 Minutes
0..99 Minutes
0..99 Minutes
0=No, 1=Yes
0=No, 1=Yes
1
-50
+50
0
0
0
0
1
50
51
52 Realtime hours
Realtime minutes
Time correction (at realtime clock) 0..23 Hours
0..59 Minutes
-99..+99 Sec./Yr -
-
0
60
61
62
63
64
65
66
67
68
69
70
71
72 Real-time defrost active
Defrost-time 1 (Hours)
Defrost-time 1 (Minutes) steps 10 Min.
Defrost-time 2 (Hours)
Defrost-time 2 (Minutes) steps 10 Min.
Defrost-time 3 (Hours)
Defrost-time 3 (Minutes) steps 10 Min.
Defrost-time 4 (Hours)
Defrost-time 4 (Minutes) steps 10 Min.
Defrost-time 5 (Hours)
Defrost-time 5 (Minutes) steps 10 Min.
Defrost-time 6 (Hours)
Defrost-time 6 (Minutes) steps 10 Min. 0=No, 1=Yes
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min. 0
off
off
off
off
off
off
off
off
off
off
off
off
80
81
82
83
84 Night-shift (offset) of Setpoint
Start day (Hours)
Start day (Minutes) step 10 Min.
Start night (Hours)
Start night (Minutes) step 10 Min. -10.0...10.0
/
C
0..23/off Hours
0..50/off Min.
0..23/off Hours
0..50/off Min.
0
off
off
off
off