Mitsubishi P120 User Manual

[ 

III  Outdoor Unit Components ]

- 62 -

HWE09120

GB

CNVDC
Bus voltage input
    N
    P

CNINV
Inverter output
    W
    V
    U

CN18V
    Input 18VDC
    GND

LED3
Lit during normal 
CPU operation

CN4
    GND
    Serial communication signal output

CN5

  GND(Control board)

   Serial communication signal output

CN21
     Serial communication signal output
    GND(INV board)
    Input 17VDC

CN22
     GND(INV board)
     Input 5VDC
     Serial communication signal input
     GND(INV board)
     Output 17VDC

THBOX

Thermistor

(Control box internal temperature  

detection)

LED1

Inverter in normal operation
LED2

Inverter error

DIP IPM  Rear

R630,R631
Overcurrent detection 
resistor