Outdoor Unit Circuit Board - Mitsubishi Electric PURY-(E)P200 Service Handbook

[ III Outdoor Unit Components ]

[3] Outdoor Unit Circuit Board

1. Outdoor unit control board
(1) PURY-(E)P200, P250, (E)P300, P350, P400YHM-A
CNDC
Bus voltage input
P
N
CNAC2
L1
N
CN51
Output 12VDC
Compressor
ON/OFF output
Error output
Actuator
driving output
CN72
72C
driving output
LED3
Lit
when powered
LED2
Lit during normal
CPU operation
LED3
Lit
when powered
CNAC
L1
N
HWE07130
CN2
Serial communication signal input
GND INV board
Output 17VDC
F01 External signal input (contact input)
Fuse
250V AC／3.15A
CN102
CN332
CN801 Output 18VDC
Pressure switch GND
（Fan board）
connection
CN41
Power supply for
CN40 centralized control OFF
Power supply for
centralized control ON
Power supply input for centralized control system (30VDC)
Indoor/outdoor transmission line input/output (30VDC)
- 61 -
CN4
GND
Serial communication signal output
Sensor
input
CNVCC2
Output 12VDC
Output 5VDC
CNIT
Output 12VDC
GND
Output 5VDC
Power supply detection input
Power supply ON/OFF signal output
CNS2
Transmission line input/output
for centralized control system (30VDC)
LEV
driving output
LED1
Service LED
SWU1,2
Address switch
SW1-5
Dip switch
GND
GB