Mitsubishi SUZ-KA35VA - Test Point Diagrams

96
Back side of unit
-20 -10 0 10 20 30 40
0
10
20
30
40
50
60
70
80
90
100
Temperature()
Ambient temperature thermistor(RT65)
Defrost thermistor(RT61)
Temperature()
Discharge temperature thermistor(RT62)
0 10 20 30 40 50 60 70 80 90 100 110 120
0
100
200
300
400
500
600
700
0 1020304050607080
0
20
40
60
80
100
120
140
160
180
200
Tem
p
erature
(

)
Fin temperature thermistor(RT64)
Resistance(k)
Resistance(k)
Resistance(k)
Output to drive
outdoor fan motor
(CN932)
Fin temperature thermistor/RT64 (CN642) Ambient temperature thermistor /RT65 (CN643) Discharge temperature thermistor/RT62 (CN641)
Defrost thermistor/RT61 (CN641)
LEV
connector
(CN724)
230V AC
DB61
Connecting wire with
power P.C. board
(CN725)
Jumper wire for change
in defrost setting (JS)
Front side of unit
DB61
280V ~ 370V
DC
Smoothing capacitor
(C63C)
Smoothing capacitor
(C63A)
Smoothing capacitor
(C63B)
Rotational frequency feedback signal of outdoor fan motor (CN931)
1(+)
2(+)
3(+)
4
5V
5 GND
Output to
drive
compressor
(LDW,
LDV,
LDU)
LED monitor
lamp
Connector for indoor/
outdoor communication
(CN601)
(+)
(-)
12-6. Test point diagram and voltage
12-6-1. Inverter P.C. board
SUZ-KA25VA.TH SUZ-KA35VA.TH
SUZ-KA25VAH.TH SUZ-KA35VAH.TH
Fuse
(F801)
Fuse
(F901)
OC322G