Mitsubishi Electric MXZ-2A20NA-1 Service Manual page 56

3. Outdoor Power board
294-370V DC
Output
(Red)
(+)
1
(–) 3
(White)
294-370V DC
Output
(Red)
(+)
1
(–) 3
(White)
MXZ-2A20NA MXZ-2A20NA - MXZ-3A30NA MXZ-3A30NA -
1
56
Connect to the compressor
Voltage among phases: 5V to
180V
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)
Connect to the compressor
Voltage among phases: 5V to 180V
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)
1