Mitsubishi Electric SUZ-KA35VA2 Technical & Service Manual page 57

11-6. Test point diagram and voltage
11-6-1. Inverter P.C. board
SUZ-KA25VA2.TH SUZ-KA35VA2.TH
Back side of unit
AC 230 V
Fuse (F901)
250 V 3.15 A
Output to
drive
compressor
(LDU, LDV,
LDW)
Front side of unit
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
100
90
80
70
60
50
40
30
20
10
0
-20 -10 0 10
Temperature(°C)
DB61
DC 260 - 300 V
(-) (+)
Discharge temperature thermistor(RT62)
700
600
500
400
300
200
100
0
0 10 20
20 30 40
Smoothing
Smoothing
capacitor
capacitor
(C63) (C62)
Fuse (F801)
250 V 3.15 A
LEV
connector
(CN724)
30 40 50 60 70 80 90 100 110 120
Temperature(°C)
57
Smoothing
capacitor
Fuse (F701)
(C61)
250 V 3.15 A
LED
Jumper wire for
monitor
changing defrost
lamp
setting (JS)
Fin temperature thermistor(RT64)
200
180
160
140
120
100
80
60
40
20
0
0 10 20 30 40 50 60 70 80
Temperature(°C)
R.V.coil
(CN721)
230 VAC
AC 230 V