
101
0 102030405060708090100110120
700
600
500
400
300
200
100
0
Resistance (kΩ)
Temperature (°C)
Discharge temperature thermistor (RT62)
-20-10 0 10203040
100
90
80
70
60
50
40
30
20
10
0
Resistance (kΩ)
Temperature (°C)
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger temperature thermistor (RT68)
LED 1
LED 2
F931
FUSE
T3.15AL250V
(
CN932
20-90V AC
GND
5V DC
5V DC
pulse wave
(
To fan
motor
(+)
Rush current relay
(–)
R.V. coil (–)
CN781
CN663
CN701
CN702
CN661
CN681
High pressure switch
(
Bus-bar voltage
CN801
325~370 V DC
Input
LED 3
Serial signal
Room A
12~24V DC
CN631
Serial signal Room D
12~24V DC
CN641
Serial signal Room E
(MXZ-5C100VA)
12~24V DC
CN621
Serial signal Room C
12~24V DC
CN611
Serial signal Room B
12~24V DC
CN601
230V AC
Input
SW1
SW2
SW871
F801
FUSE
T3.15AL250V
CN791
LEV Room A
CN792
LEV Room B
CN794
LEV Room D
CN795
LEV Room E (MXZ-5C100VA)
CN793
LEV Room C
(
(
+
{
CN796
LEV F
12V DC
pulse wave
Defrost temperature thermistor (RT61)
Discharge temperature thermistor (RT62)
Outdoor heat exchanger
temperature thermistor (RT68)
Ambient temperature
thermistor (RT65)
Signal transmission
(To power board)
5V DC pulse wave
Signal reception
(From power board)
5V DC pulse wave
GND
GND
15V DC
–
MXZ-4C80VA MXZ-5C100VA
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