Mitsubishi Electric MSZ-EF VE Series Service Manual page 110

2. Outdoor control P.C. board
MXZ-3D54VA MXZ-3D54VA2 MXZ-3D68VA MXZ-4D72VA
Discharge temperature thermistor (RT62)
700
600
500
400
300
200
100
0
0 10 20 30 40 50 60 70 80
Temperature (°C)
LED 3
LED 2
LED 1
F711 FUSE
T3.15AL250V
CN711
230 VAC
SW871
SW2
CN712
R.V .coil
F801
FUSE
T3.15AL250V
CN801
Bus-bar
voltage
325 - 370
VDC Input
F930
FUSE
T3.15AL250V
CN931
To Fan motor
OBH626E
90 100 110 120
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger temperature thermistor (RT68)
110
100
90
80
70
60
50
40
30
20
10
0
-20 -10 0 10 20 30 40
Temperature (°C)
CN631
Serial signal Room D
12 - 24 VDC
CN621
Serial signal Room C
12 - 24 VDC
CN611
Serial signal Room B
12 - 24 VDC
CN601
230 VAC
Input
Serial signal Room A
12 - 24 VDC