Mitsubishi Electric MXZ-3C54VA Service Manual page 78

4. Outdoor Power board
MXZ-3C54VA MXZ-3C68VA MXZ-4C71VA
MXZ-4C80VA MXZ-5C100VA
325-370V DC
Output
(Red)
(+)
1
(–) 3
(White)
Connect to the
compressor
Voltage among
phases: 5V to 180V
DM00N019 or DM00N095
78
Fin temperature thermistor (RT64)
200
180
160
140
120
100
80
60
40
20
0
0 10 20 30 40 50 60 70 80
Temperature (°C)
Connect to the earth
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
CN3
Fin temperature thermistor RT64
Signal reception (From
)
electronic control P.C. board)
5V DC pulse wave
CN5
Primary current detection
(Connect to the noise filter)