68
MXZ-3A30NA - MXZ-4A36NA
1
LED 1
LED 2
F931
FUSE
T3.15AL250V
(
CN932
20-90V AC
GND
5V DC
5V DC
pulse wave
(
T
o fan
motor
(+)
Rush current relay
(–
)
R.V
. coil (
–
)
CN781
CN663
CN701
CN702
CN661
CN681
High pressure switch
(
CN801
294~370 V DC
Input
LED 3
Serial signal
Room A
12~24V DC
CN611
Serial signal Room B
12~24V DC
CN621
Serial signal Room C
12~24V DC
CN601
208/230V AC
Input
SW1
SW2
SW871
F801
FUSE
T3.15AL250V
CN791
LEV Room A
CN792
LEV Room B
CN793
LEV Room C
(
(
–
+
{
CN796
LEV F
12VDC
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)
5V DC pulse wave
Signal reception
(From power board)
5V DC pulse wave
GND
GND
15V 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 (
:
)
Discharge temperature thermistor (RT62)
-20
-10
0
10
20
30
40
100
90
80
70
60
50
40
30
20
10
0
0
10 20 30 40 50 60 70 80
200
180
160
140
120
100
80
60
40
20
0
Resistance (k
Ω
)
Resistance (k
Ω
)
Temperature (
:
)
Temperature (
:
)
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger temperature thermistor (RT68)
Fin temperature thermistor (RT64)
CN794
LEV Room D
CN631
Serial signal Room D
12~24V DC
OB444C--3.qxp 07.10.18 2:25 PM Page 68
Summary of Contents for MXZ-2A20NA
Page 25: ...25 WIRING DIAGRAM 6 MXZ 2A20NA...
Page 26: ...26 MXZ 2A20NA 1...
Page 27: ...27 MXZ 3A30NA...
Page 28: ...28 MXZ 3A30NA 1...
Page 101: ...101...
