Service manual

60
11-6-4. Outdoor electronic control P.C. board
SUZ-KA60VA2.TH
LED 1
LED 2
CN801
325V DC
~
370V DC
Input
(
(
CN932 20-90V AC
GND
5V
5V DC pulse wave
(
To fan motor
Defrost thermistor (RT61)
Discharge temperature thermistor (RT62)
Outdoor heat exchanger temperature thermistor (RT68)
(
(
(+)
(–)
(–)
Rush current relay
(–) R.V. coil
(
12V
DC
15V
CN931
(+)
(–)
(
CN661
CN701 Signal transmission (To power board) 5V DC pulse wave
(+) (–)
(
CN702 Signal reception (From power board) 5V DC pulse wave
GND (power board)
CN781
12V DC pulse wave
(
(
(
(
(
-20-100 10203040
100
90
80
70
60
50
40
30
20
10
0
0 1020304050607080
200
180
160
140
120
100
80
60
40
20
0
Resistance (k)
Resistance (k)
Temperature ()
Temperature ()
Defrost thermistor (RT61)
Ambient temperature thermistor (RT65)
Outdoor heat exchanger temperature
thermistor (RT68)
Fin temperature thermistor (RT64
)
0 102030405060708090100110120
700
600
500
400
300
200
100
0
Resistance (k)
Temperature ()
Discharge temperature thermistor (RT62)
F801
FUSE
3.15A/250V
(
Ambient temperature thermistor (RT65)
CN663
Serial signal
Room A
5~10V DC
CN601
230V AC
50 Hz
Input
High pressure switch
CN681
(
(
(+)
LEV
GND
CN795
15V
OCH472A