Mitsubishi MUZ-A18YV Service Manual page 43

MUZ-A18YV -
E1
MUZ-A24YV -
E1
MUZ-A26YV -
E1
Power board
325-370V DC
Output
(Red)
(+)
1
3
(–)
(White)
CN2
Connect to the controller board
(+)1-5(–): Signal transmission (To electronic control P.C. board)
5V DC pulse wave
(+)2-5(–): Zero cross signal
3-4 : Not used
(+)6-5(–): 15V
(+)7-5(–): 15V
Connect to the compressor
Voltage among phases: 5V to 180V
CN3
Fin temperature thermistor RT65
43
Connect to
the earth
Signal
)
reception
(From
electronic
control P.C.
board)
5V DC
pulse wave
CN5
Primary current detection
(Connect to the noise filter)