Mechanical and Electrical Installation VD520 Series Inverter User Manual
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Bottom Corver plate
Fig 3.3-3 Removing and installing the cover plate of sheet-metal enclosure
Disassembly and installation of sheet-metal enclosure: with cross screwdriver to screw off the two
screws at the bottom of the undercover plate, then loosen the two screws at the top of the undercover
plate, pull-down the undercover plate can be disassemble, reverse order the undercover plate can be
install.
3.4 Inverter and External Electrical Parts Connection
3.4.1 Schematic Diagram for Inverter and External Electrical Parts Connection
L1
L2
L3
QF
Circuit breaker
KM
Contactor
S
R
AC input reactor
LAC
P1
T
P+
PB
P-
Brake unit
LDC
VDBU
Brake unit
LAC
W
V
U
AC output reactor
M
VicRuns
Fig 3.4-1 Inverter and external units connection diagram