Mitsubishi Electric CITY MULTI PUHY-400YMF-C Service Handbook page 13

MAIN board
CNTR CNFC1
CN20
Power supply
3
L1
1
N
CNVCC4
Power source
for control(5V)
SW4 SW3
CNS1 CNS2 CN40 CN41
SW2 SWU2 SWU1
-10-
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
CN3D
CN3S
CN3N
LD1
Service LED
SW1