Adapter Board Logic Flowchart - Viking VCSB483D Service Notebook

b) Maximum speed: if the speed
signal requires
above the speed limit than the
compressor will
running at the maximum
speed.
h)
SHORT CIRCUIT PROTECTON
In case short circuits, a
–
current detection circuit will
open the power switches
operation
be kept
37
(cutting the current) and avoiding
further damage to power devices
or compressor winding.
In case of a major failure in the
hardware (short circuit of two or
more power switches, a fuse will
brake the current supplied to the
inverter).