Service manual
9.1.3 H7, H8, I7, I8 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
Thyristor x3
BR
P _BRF
RL 2
Inrush
SAFE
_
FB
Tmp
_
VGDS
VCC
FAN
CAN
A
A
Imax 2 comp.
RL
2
RL
1
Tmp_VGDS
Inrush
RFI
_
RL 2
RFI
_
RL 1
FFB
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
RFI _RL 1
MAINS
RFI (variations
)
L 1
L 2
L 3
VDD (GND ) 24V
Pulse
E _FAN
E _FFB
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 FC 101
130BC340.10
Illustration 9.3
Block Diagrams
VLT
®
HVAC Basic Drive Service Manual
98 MG90X202 - VLT
®
is a registered Danfoss trademark
99