96
96
MXZ-3A30NA -
1
MXZ-4A36NA
LED 1
LED 2
F931
FUSE
T3.15AL250V
(
CN932
20-90 V
AC
GND
5 V DC
5 V DC
pulse wave
(
T
o
fan
motor
(+)
(–)
Rush current relay
(–)R.V
. coil
CN781
CN663
CN701
CN702
CN661
CN681
High pressure switch
(
Bus-bar voltage
CN801
294~370 V DC
Input
LED 3
Serial signal
Room A
12~24 V DC
CN611
Serial signal Room B
12~24 V DC
CN621
Serial signal Room C
12~24 V DC
CN601
208/230 V AC
Input
SW1
SW2
SW871
F801
FUSE
T3.15AL250V
CN791
LEV Room A
CN792
LEV Room B
CN793
LEV Room C
(
(
–
+
{
CN796
LEV F
12 V DC
pulse wave
Defrost thermistor (R
T61)
Discharge temperature thermistor (R
T62)
Outdoor heat exchanger
temperature thermistor (R
T68)
Ambient temperature
thermistor (R
T65)
Signal transmission
(T
o power board)
5 V DC pulse wave
Signal reception
(From power board)
5 V DC pulse wave
GND
GND
15 V DC
0
10
20
30
40
50
60
70
80
90
100 110 120
700
600
500
400
300
200
100
0
Resistance (k
Ω
)
Temperature (°C)
Discharge temperature thermistor (RT62)
-4
14
32
50
68
86 104
100
90
80
70
60
50
40
30
20
10
0
Resistance (k
Ω
)
Temperature (°F)
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger
temperature thermistor (RT68)
CN794
LEV Room D
CN631
Serial signal Room D
12~24 V DC
Summary of Contents for MXZ-2A20NA - 1
Page 52: ...52 WIRING DIAGRAM 7 MXZ 2A20NA ...
Page 53: ...53 MXZ 2A20NA 1 ...
Page 54: ...54 MXZ 2A20NA 2 ...
Page 55: ...55 MXZ 3A30NA ...
Page 56: ...56 MXZ 3A30NA 1 ...
Page 57: ...57 MXZ 4A36NA ...
Page 137: ...137 ...
