Mitsubishi Electric SUZ-KA25VA2 Technical & Service Manual page 58

11-6-2. Inverter P.C. board
SUZ-KA50VA2.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 20
Temperature( )
OCH472A
Smoothing
capacitor
DB61
(C63)
DC 260 ~300 V
(-) (+)
Discharge temperature thermistor(RT62)
700
600
500
400
300
200
100
0
0 10 20 30 40
30 40
Temperature( )
Smoothing
capacitor
(C62)
Fuse (F801)
250 V 3.15 A
50 60 70 80 90 100 110 120
58
Smoothing
capacitor
Fuse (F701)
(C61)
250 V 3.15 A
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( )
R.V.coil
(CN721)
230 VAC
AC 230 V