Control - Heat pump
EB101
HEAT PUMP MENU 5.11.1.1
These settings are made on the display on the indoor
module/control module.
Silent mode permitted
Set whether silent mode is to be activated for the heat
pump here. Note that it is possible to schedule when
silent mode is to be active.
Detect compressor phase
This shows on which the phase the heat pump has de-
tected whether you have F2120 230V~50Hz. Phase
detection normally occurs automatically in connection
with start-up of the indoor module/control module. This
setting can be changed manually.
Current limit
Set whether the current limiting function is to be activ-
ated for the heat pump here. During active function you
can limit the value of the maximum current.
Setting range: 6 – 32 A
Factory setting: 32 A
blockFreq 1
Select a frequency range within which the heat pump
may work here. This function can only be used if certain
compressor speeds cause noise disturbance in the
house.
blockFreq 2
Select a frequency range within which the heat pump
may work here.
Defrosting
Here you can change the settings that affect the defrost
function.
Start temperature for defrost function
Here you can set at which temperature (BT16) the de-
frost function is to start. The value must only be changed
in consultation with your installer.
Setting range: -5 – 5 °C
Factory setting: -3 °C
Cut-out value activation passive defrosting
Here you can set at which temperature (BT28) passive
defrosting is to be activated. During passive defrosting,
the ice is melted by the energy from the ambient air.
The fan is active during passive defrosting. The value
must only be changed in consultation with your installer.
Setting range: 2 – 10 °C
Factory setting: 4 °C
Permit defrost more often
Here you activate whether defrosting is to occur more
frequently than normal. The selection can be made again
if the heat pump receives an alarm due to build-up of
ice during operation caused by snow, for example.
Permit fan de-icing
Set whether the "de-icing fan" must be deactivated dur-
ing the next "active defrosting" here. This can be activ-
ated if ice / snow sticks to the fan, grille or fan cone,
which is noticed because of abnormal fan noise from
F2120.
"De-icing fan" means that the fan, grille or fan cone is
heated using hot air from the exchanger (EP1). Therefore
the function should not be used in windy weather.
Start manual defrosting
Here you can manually start an "active defrosting", in
the event that the function must be tested for servicing
or if operation is necessary. This can be motivated to-
gether with "de-icing fan".
NIBE F2120Chapter 7 | Control - Introduction38
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