Mitsubishi Electric MXZ-2B30VA Service Manual page 87

4. Power P.C. board
MXZ-2B30VA MXZ-2B40VA
Back side of unit
230V AC
Output
5. Outdoor Power board
MXZ-3B54VA MXZ-3B68VA MXZ-4B71VA
MXZ-4B80VA MXZ-5B100VA
325-370V DC
Output
(Red)
(+)
1
(–) 3
(White)
Connect to the
compressor
Voltage among
phases: 5V to
180V
OBH554D
MXZ-2B52VA
FUSE (F64)
12V
T3.15AL250V
DM00N019 or DM00N095
F61 (FUSE)
T20AL250V
R.V.coil Zero cross
GND X64 Primary current
To inverter P.C.board (CN934)
87
Front side of unit
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)
230V AC
Input
R.V.coil
(CN912)
230V AC