Page No. 24-GB 8.5 - 8.5.1 We reserve the right to make technical changes!
8.5.1 Parameter list
Attention!
The following parameters decisively influence the operation of the Refrigeration unit. They may be changed only by
specialist personnel. For this reason, it is recommended that the password for the Operating mode parameter be made
unrecognisable.
If parameters are changed, the change should be entered into the column “Altered values”.
Operating mode parameter (release when password P01 = 22)
The following parameters are pre-allocated as operating mode parameters for normal or deep freezer refrigeration. They can be adap-
ted. If necessary, they can be reset to the factory settings via P50 and P51.
Parameter Description Unit Range
Altered
values
Specification
CT FT CS FS
P28 Signal display from DCF antenna sec. 0-59
P29 Door contact switch (0=without DC; 1=with DC)
0-1
0 0 0 0
P30
Defrosting operating mode
00-03;
10-13
0 0 0 0
x0 = according to specified cycle times
x1 = according to specified cycle times, yet dependent
on compressor run time
x2 = dependent on specified switch points
(only with DCF antenna)
x3 = demand defrosting
0y = “Start defrosting” via door contact switched off
1y = “Start defrosting” via door contact switched on
P31 Max. admissible room temperature °C -50...+50 20 -5 20 -5
P32 Min. admissible room temperature °C -50...+50 -5 -25 -5 -25
P33 Room temperature difference K
-8...-1
+1...+8
+2 -2 +2 -2
P34 Min. compressor standing time min. 3-10 3 3 3 3
P35 Evaporator fan start-up delay min. 0-10 3 3 3 3
P36 Evaporator fan run-down time min. 0-20 0 0 0 0
P37 Switch point for air circulation defrosting °C 3-40 20 20 3 3
P38
Temperature difference for switch-on of demand
defrosting
K 10-40 25 25 25 25
P39 Defrosting limiting temperature °C +5...+50 20 20 20 20
P40 Evaporator dripping time min. 0-10 3 3 3 3
P41 Evaporator fan start-temperature °C -20...+10 -5 -15 -5 -15
P42 Temperature alarm delay time min. 0-99 60 60 60 60
P43 Upper alarm temperature (nominal value + P43) K 0-20 10 10 10 10
P44 Lower alarm temperature (nominal value - P44) K 0-20 5 5 5 5
P45 Door contact alarm delay time min. 0-99 4 4 4 4
P46 Condenser nominal temp. for turning speed regulator °C 20-60 20 20 20 20
P47 Condenser fan turning speed in % OFF/10 - 100
P48 Minimum condenser fan turning speed in % 10...100 40 40 40 40
P49 Condenser fan slew-rate turning speed regulator 1-100 10 10 10 10
8.5 Operating mode parameters