137
2. Outdoor power P.C. board
Output to drive compressor
Connect to earth
Connect to reactor
(Red line)
Connect to reactor
(White line)
CNDC
Bus-bar voltage
290 - 370 V DC
CNAC1
208/230 V AC Output
F2 FUSE
T6.3AL250V
F1 FUSE
T6.3AL250V
208/230 V AC
Input
CNAC2
208/230 V AC
Output
Connect to earth
CN152
Signal Transmission
(From Outdoor
Control P.C. board)
5 V DC pulse wave
(-)
(+)
CN171
Fin temperature thermistor
(RT64)
CN151 Signal transmission
(T
o Outdoor control
P
.C. board)
5 V DC pulse wave
(+)
(-)
(-)
15 V
15 V
200
180
160
140
120
100
80
60
40
20
0
Resistance (kΩ)
Temperature
(°F)
(°C)
Fin temperature thermistor (RT64)
Thermistor R50 = 17 k
Ω
± 2%
B constant = 4150 ± 3%
Rt = 17exp{4150( )}
t : ºC = (º
F - 32)/1.8
273+t
1
323
1
32 50 68 86 104 122 140 158 176
0 10 20 30 40 50 60 70 80
MXZ-3C24NA MXZ-3C24NA2 MXZ-3C24NA3
MXZ-3C30NA MXZ-3C30NA2 MXZ-3C30NA3
MXZ-4C36NA MXZ-4C36NA2 MXZ-4C36NA3
OBH702N
Summary of Contents for MXZ-2C20NA2
Page 51: ...51 MXZ 5C42NA2 OBH702N ...
Page 54: ...54 MXZ 2C20NAHZ OBH702N ...
Page 55: ...55 MXZ 2C20NAHZ2 OBH702N ...
Page 58: ...58 MXZ 3C24NAHZ MXZ 3C30NAHZ OBH702N ...