Service manual

9.1.2 I6 Frame Size
x 3
DC /AC
o
C
Temp.
conv.
uC+ EEP
7 xGD
RL 1
GD
Supply
A
BR
GD
BR
FB
INV
GD
AC /
DC
x3
BR
P
_
BRF
RL 2
RFI
_
RL 1
Inrush SAFE
_
FB
Tmp
_
VGDS
VCC
FAN 1
CAN
A
A
Imax2 comp.
MAINS
RL 2 RL 1
RFI (variations
)
Tmp
_
VGDS
L 1 L 2 L 3
Inrush
RFI
_
RL 2
RFI
_
RL 1
FFB 1
Int. fans
”Internal supply bus”
”Internal Communication”
Level
Shift
VCX (GX ) 5V
VCC (GND ) 5V
VDD (GND ) 24V
SMPS
Motor
U
V
W
UINV
_
P
UINV
_
N
RFI
_
RL 2
VDD (GND ) 24V
FAN 2
FFB 2
Ext. fans
Control Card
ACP
Isol. RS 485
D-I/O
A-I/O
MCP
LCP
Display
control
panel
Brake not connected to terminal on FC101
130BC137.10
Illustration 9.2
Block Diagrams
VLT
®
HVAC Basic Drive Service Manual
MG90X202 - VLT
®
is a registered Danfoss trademark 97
9 9