Test Point Diagram And Voltage; Inverter P.c. Board; Back Side Of Unit; Front Side Of Unit - Mitsubishi Electric MXZ-2A40VA Service Manual

13-7. Test point diagram and voltage

1. Inverter P.C. board

MXZ-2A40VA MXZ-2A52VA

Back side of unit

Output to
drive
compressor
(LDW,
LDV,
LDU)

Front side of unit

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(:)
230V AC
Input
325V DC
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
Temperature(:)
8V DC
5V DC 12V DC
Discharge temperature thermistor(RT62)
700
600
500
400
300
200
100
0
0
10 20 30 40
71
FUSE(F801) FUSE(F901)
3.15V/250V 3.15V/250V
Output to drive
outdoor fan motor
(CN932)
To fan motor
10 20 30 40 50 60 70 80 90 100 110 120
Temperature(:)
JK,JGO
To
interface
P.C.board
LEV A
(CN791)
LEV B
(CN792)