1143W24E4.00 · EV3 200 Web
03/2021
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6.3 STANDARD DEFROST
Parameter d1 must be set to use this mode.
Defrost is carried out by heating the evaporator in one of the following ways:
Par. Description
MU
Range
d1
Type of defrost.
0 = Electrical heaters;
1 = Cycle reversed (hot gas);
2 = When compressor stops.
---
0...2
6.3.1 Defrost with electrical heaters
Defrost with electrical heaters is obtained by setting d1 = 0.
Activating defrost
When defrost is activated:
• The compressor stops;
•
Therelayoutput,wheretheelectricalheatersareconnectedandwhichisconfiguredasthedefrostoutput,isactivated.
Conditions for defrost end
The conditions for defrost end are:
• Defrost duration d3 must be reached;
• Temperature to end defrost d2 must be reached.
The defrost configuration parameters with electrical heaters are:
Par. Description
MU
Range
C0 Compressor ON delay from power-on.
min
0...240
C2
MinimumcompressorOFFtime.
min
0...240
d0 Defrost interval.
h
0...99
d1
Type of defrost.
0 = Electrical heaters;
1 = Cycle reversed (hot gas);
2 = When compressor stops.
---
0...2
d2 Evaporator temperature above which defrost with evaporator probe terminates (Pr3 = 5).
°C/°F
-99.0...99.0
d3 Defrost duration.
min
0...99
d7 Evaporator dripping time after defrost.
min
0...15
