Mitsubishi Electric MUZ-GA50VA-E1 Service Manual page 43

11-7. TEST POINT DIAGRAM AND VOLTAGE
1. Outdoor electronic control P.C. board
MUZ-GA50VA MUZ-GA60VA MUZ-GA71VA
Discharge temperature thermistor (RT62)
700
600
500
400
300
200
100
0
0 10 20 30 40 50 60 70
Temperature (°C)
LED 1
LED 2
CN801
325 VDC
-
370 VDC
Input
F801
FUSE
T3.15AL250V
80 90 100 110 120
CN681
High pressure switch
MUZ-GA60VA-
E3
MUZ-GA71VA
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)
43
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger temperature thermistor (RT68)
100
90
80
70
60
50
40
30
20
10
0
-20 -10 0 10 20 30 40
Temperature (°C)
CN601
230 VAC
Input
Serial signal
Room A
5 - 10 VDC