Mitsubishi Electric e Series Service Handbook page 58

[ III Unit Components ]
5. Fan control board
CNDC
Bus voltage input
N
P
CN4B
Serial communication
signal output
GND
CN2B
GND
5VDC input
Serial communication
signal input
GND
17VDC input
17VDC input
HWE1417B
CNF1 CNF2
Vm Vm
GND GND
Vcc Vcc
Vsp Vsp
FG FG
- 49 -
CN2A
18VDC input
GND
Serial communication
signal output
GND
17VDC input
17VDC input
CN4A
Serial communication
signal input
GND
CNF3
Vm
GND
Vcc
Vsp
FG
GB