Operating instructions

Maintenance Vector Control Chassis Type Frequency Converter
476 869 4070 76 J AB-74 Siemens AG
12-4 Operating Instructions SIMOVERT MASTERDRIVES
12.3 Replacing the fan transformer fuse -F3, -F4 (type K)
Construction type K: Fuses -F3, -F4
The fuses are in a fuse holder which is arranged below the fan in front
of the air baffle plate. To replace the fuses, the fuse holder has to be
opened.
Fig. 12-3 Fan transformer (-T10), fan transformer fuses (-F3, -F4)
12.4 Replacing the fan transformer
The fan transformer is screwed on behind the motor connection.
♦
Mark the connecting cables on the transformer and disconnect
them.
♦ Undo the screw connections at the bottom on the transformer plate
and remove the transformer.
Type K: Secure the transformer against falling down!
♦ Install the new transformer in the reverse sequence.
Construction types
E - G
Construction type K