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SMA - 3Φ Inverter Bridge Radial Fan Connection


The circuit diagram below shows how to install the three phase radial fan P/N 46-50705.  The fan housing for P/N 46-50705 is different from the fan housing P/N 46-5070 since the motor housing is rotated slightly, see figure below. Follow the wiring connections shown to install the inverter bridge fan properly.  Ensure that the parameter ‘NormRpmHs’ is set to 3040 and test the operation of the fan by setting the parameter ‘FanHsTmpSpnt’ to the existing ambient temperature.  

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