Fan cut in during defrost
Here you can set whether fan is to operate during defrost.
0: Stopped (Runs during pump down)
1: Running (stopped during "fan delay")
2: Running during pump down and defrost. After that stopped
d09 FanDuringDef
Defrost sensor
Here you dene the defrost sensor.
0: None, defrost is based on time
1: S5
2: S4
d10 DefStopSens.
Pumpdown delay
Set the time where the evaporator is emptied of refrigerant prior to the defrost.
d16 Pump dwn del.
Defrost on demand – aggregate refrigeration time
Set here is the refrigeration time allowed without defrosts. If the time is passed, a
defrost will be started.
With setting = 0 the function is cut out.
d18 MaxTherRunT
Defrost on demand – S5 temperature
The controller will follow the eectivity of the evaporator, and via internal calcula-
tions and measurements of the S5 temperature it will be able to start a defrost when
the variation of the S5 temperature becomes larger than required.
Here you set how large a slide of the S5 temperature can be allowed. When the value
is passed, a defrost will start.
The function can only be used in 1:1 systems when the evaporating temperature
will become lower to ensure that the air temperature will be maintained. In central
systems the function must be cut out.
With setting = 20 the function is cut out
d19 CutoutS5Dif.
If you wish to see the temperature at the defrost sensor, push the controller’s lower-
most button.
Defrost temp.
If you wish to start an extra defrost, push the controller’s lowermost button for four
seconds.
You can stop an ongoing defrost in the same way
Def Start
Here you can start a manual defrost
The LED on the controller’s front will indicate whether a defrost is going on. Defrost Relay
Here you can read the defrost relay
status or you can force-control the
relay in “Manual control” mode.
Hold After Def
Shows ON when the controller is
operating with coordinated defrost.
Defrost State
Status on defrost
1= pump down / defrost
Fan Fan control
Fan stopped at cut-out compressor
Here you can select whether the fan is to be stopped when the compressor is cut out
F01 Fan stop CO
(Yes = Fan stopped)
Delay of fan stop when compressor is cut out
If you have chosen to stop the fan when the compressor is cut out, you can delay the
fan stop when the compressor has stopped.
Here you can set the time delay.
F02 Fan del. CO
Fan stop temperature
The function stops the fans in an error situation, so that they will not provide power
to the appliance. If the defrost sensor registers a higher temperature than the one set
here, the fans will be stopped. There will be re-start at 2 K below the setting.
The function is not active during a defrost or start-up after a defrost.
With setting +50°C the function is interrupted.
F04 FanStopTemp.
The LED on the controller’s front will indicate whether a defrost is going on. Fan Relay
Here you can read the fan relay status,
or force-control the relay in “Manual
control” mode.
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