Mitsubishi Electric PUHY-P72 Service Manual page 62

[ III Outdoor Unit Components ]
2. M-NET board
CN03(THMU only)
(THMU only)
Bus voltage input
F01
P
250V
N
3.15A
Grounding
HWE0804A
CN102
CN04
Bus voltage input
Power supply output for centralized
(YHMU only)
control system (30VDC)
Bus voltage output Indoor/outdoor transmission line
(THMU only) input/output (30VDC)
P
Grounding
N
Grounding
TB3
Indoor/outdoor transmission block
- 53 -
CNS2
Transmission line
input/output for
centralized control
system (30VDC)
TB7
Ground terminal for
Terminal block for
transmission line
transmission line for
centralized control
CNIT
Input 12VDC
GND
Input 5VDC
Power supply
detection output
Power supply
ON/OFF signal input
LED1
Power supply for
indoor
transmission line
TP1,2
Check pins for
indoor/outdoor
transmission line
GB