Mitsubishi Electric MXZ-3E54VA-E1 Service Manual page 106

2. Outdoor power P.C. board
MXZ-4E83VA
MXZ-5E102VA
MXZ-2E53VAHZ
Output to drive compressor
Connect to reactor
(Red line)
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
Thermistor R50 = 17 kΩ ± 2%
B constant = 4150 ± 3%
1
Rt = 17exp{4150(
273+t
OBH723D
Connect to reactor
(White line)
(°C)
1
)}
323
CN171
Fin temperature thermistor
(RT64)
CNDC
Connect to earth
Bus-bur voltage
290 - 370 V DC
106
(-) CN152
(+) Signal Transmission
(From Outdoor
Control P.C. board)
5 V DC pulse wave
Connect to earth
CNAC2
230 V AC
Output
F1 FUSE
T6.3AL250V
230 V AC
Input
F2 FUSE
T6.3AL250V
CNAC1
230 V AC
Output