Mitsubishi Electric PURY-P72 Service Handbook page 84

[ III Outdoor Unit Components ]
4. Fan board
(1) PURY-P72, P96, P120, P144TJMU-A
CNVDC
Bus voltage input
N
P
R630
CNINV
Overcurrent detection
Inverter output
resistor
W
V
U
HWE09130
F01
LED3
Fuse
Lit during normal
250VAC 15A
CPU operation
DIP IPM Rear
- 75 -
CN4
GND
CN18V Serial communication signal output
Input 18VDC GND Control board
GND Serial communication signal output
CN22
GND INV board
Input 5VDC
Serial communication signal input
GND INV board
Input 17VDC
CN21
Serial communication signal output
GND INV board
Input 17VDC
THBOX
Thermistor
(Control box internal temperature
detection)
LED1
Inverter in normal operation
LED2
Inverter error
GB