Mitsubishi Electric PUHY-200YMF-B Service Handbook page 16

MAIN board
• PURY
CNTR CNFC1
CN20
Power supply
3 L1
1 N
CNVCC4
Power source for
control
SW3 SW4 SW2
CNS2
CNS1
M-NET transmission
M-NET
(Centralized control)
transmission
SWU2 SWU1 SW1
–14–
CN40
M-NET transmission
power supply
CNVCC3
Power source for
control
1-2 30V, 1-3 30V
4-6 12V, 5-6 5V
CN51
Indication distance
3-4 Compressor
ON/OFF
3-5 Trouble
CNRS3
Serial transmission to
INV board
LD1
Service LED