46
GENERAL ELECTRICAL DATA
3.3.4.1 Switching behaviour of the fans
The fans have dierent switch-on and switch-o points. The switching point for the
switch-on temperature ① and the maximum speed level ③ of the fans are adjustable.
Theswitchingpointfortheswitch-otemperature② cannot be changed.
0
20
40
60
80
100
0 20 40 6050 70 9080 100
3010
①
②
③
Temperature/°C
Fanspeed/%
Legend
Fan speed in dependence on the temperature
Setting range for the switch-on temperature
Maximum switch-on temperature
①
Switch-on point
②
Switch-opoint
③
Switching point maximum speed level
Figure 6: Switching behaviour of the fans example heat sink fan
3.3.4.2 Switching points of the fans
The switching point for the switch-on temperature and the maximum speed level of the
fans are adjustable. The following table shows the default values.
Fan Heat sink Interior
Switch-on temperature T/°C 45 45
Maximum speed level T/°C 65 55
Table 27: Switching points of the fans
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