Operating instructions

Vector Control Chassis Type Frequency Converter Maintenance
SIEMENS AG 476 869 4070 76 J AB-74
SIMOVERT MASTERDRIVES Operating Instructions 12-3
The fan assembly weighs up to 38 kg, depending on its design.
♦
Undo the cable fastenings and fan connections.
♦
Take the fan support plate out of the fan assembly and remove the
fan from the support plate.
♦
Install the new fan assembly in the reverse sequence.
Prior to start-up, check that the fan can run freely and check for correct
direction of air flow.
The air must be blown upwards out of the unit.
The direction of rotation is counter-clockwise when seen from above.
Fig. 12-2 Fan assembly -E1, fan transformer primary fuse, starting capacitor -C110
12.2 Replacing the fan fuse (type K)
The fuses are in a fuse holder which is mounted on a DIN rail in the
bottom of the unit. The fuse holder has to be opened to replace the
fuses.
CAUTION