WEG CFW900 - Output Connections

English
INSTALLATIONANDCONNECTION
thecabinetventilation.
!
DANGER!
Theinverterhasanadjustablethermalprotectionforthebrakingresistor.Thebrakingtransistorand
resistorcanbedamagedifparametersC3.6.1(VoltageLevelDCBus)eC3.6.4(HysteresisLevel)
arenotsetcorrectlyoriftheinputvoltageexceedsthemaximumpermissiblevalue.
PE R S T BR
DC+
R
S
T
PE
Fuses
Contactor
Thermal Relay
Thermostate
Control Power
Figure3.14:Brakingresistorconnection
✓
NOTE!
DCcurrentflowsthroughthethermalrelaybimetalstripduringbraking.
3.2.4.3OutputConnections
!
WARNING!
Theinverterhasanelectronicmotoroverloadprotectionthatshallbeadjustedaccordingtothedriven
motor.Whenseveralmotorsareconnectedtothesameinverter,installindividualoverloadrelaysfor
eachmotor.
34|CFW900