Mitsubishi Electric SUZ-SWM40VA Technical & Service Manual page 28

10-6. TEST POINT DIAGRAM AND VOLTAGE
Inverter P.C. board
SUZ-SWM40VA.TH
SUZ-SWM60VA.TH
SUZ-SWM80VA.TH
LEV (CN724)
Ambient temperature
thermistor/RT65
(CN672)
Outdoor heat exchanger
temperature thermistor
/RT68 (CN671)
Discharge temperature
thermistor/RT62
(CN671)
Defrost thermistor
/RT61 (CN671)
Fin temperature
thermistor/RT64
(CN673)
LED
Signal of out-
door fan motor
(CN931)
IC700 (N)
260 - 370 V DC
IC700 (P)
Fuse (F901)
T3.15AL250V
Output to
drive outdoor
fan motor
(CN932)
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( )
OCH718A
Discharge temperature thermistor(RT62)
700
600
500
400
300
200
100
0
0 10 20 30
20 30 40
40 50 60 70 80 90 100 110 120
Temperature( )
28
Heater (CN601)
230 V AC
R.V. coil (CN602)
230 V AC
Fuse (F601)
T3.15AL250V
Fuse (F880)
T3.15AL250V
230 V AC
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( )