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M-Net Board (Transmission Power Supply Board) - Mitsubishi Electric PURY-HP72 Service Handbook

R410a
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[4-2 Outdoor Unit Circuit Board Components ]
4-2-2

M-NET Board (Transmission Power Supply Board)

Grounding
HWE13080
CN102
Power supply output for centralized
control system (30VDC)
CN04
Indoor/outdoor transmission line
Bus voltage input
input/output (30VDC)
P
Grounding
N
Grounding
TB3
Indoor/outdoor transmission block
- 91 -
CNS2
Transmission line
input/output for
centralized control
system (30VDC)
TB7
Ground terminal for
Terminal block for
transmission line
centralized control
transmission line
CNIT
12VDC Input
GND
5VDC Input
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

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