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INSTALLATION AND CONNECTION
the cabinet ventilation.
DANGER!
!
The inverter has an adjustable thermal protection for the braking resistor. The braking transistor and
resistor can be damaged if parameters C3.6.1 (Voltage Level DC Bus) e C3.6.4 (Hysteresis Level)
are not set correctly or if the input voltage exceeds the maximum permissible value.
NOTE!
✓
DC current flows through the thermal relay bimetal strip during braking.
3.2.4.3 Output Connections
WARNING!
!
The inverter has an electronic motor overload protection that shall be adjusted according to the driven
motor. When several motors are connected to the same inverter, install individual overload relays for
each motor.
34 | CFW900
PE R
PE
R
S
T
Fuses
Contactor
Thermal Relay
Control Power
Thermostate
Figure 3.14: Braking resistor connection
S
T BR DC+
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