Nibe F2040 - Fan Speed; Cooling Mode

Fan speed
The fan starts at the lowest speed.
The relationship between the heat exchanger temper-
ature and outdoor temperature limits the fan speed
as follows.
Cooling mode
Min
fan
speed
(rpm)
Max fan speed (rpm)F2040
DCBATho-
A
Tho-R
130740820820820a
130600740820820b
130350600740740c
130200350600600d
Tho-R
d
25
30
33
40
43
53
c
b
a
Tho-A
D
15
18
30
37
46
48
C
B
A
Fan speed (rpm)F2040
MaxMin
820130
Cooling operation:
The fan speed is checked every 15 seconds so that the
heat exchanger temperature (Tho-R1, -R2), the highest
one, is within a certain range.
Fan speedSensor temperature Tho-
R
Reduction by 10 rpmBelow 30 °C
Maintains the speedBetween 30 °C and 45 °C
Increase by 10 rpmAbove 45 °C
19Chapter 4 | Description of functionsNIBE™ F2040