48
1. Inverter P.C. board
MUZ-DW50VF
-20
-10
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
Temperature( )
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
0
10 20 30 40 50 60 70 80
0
20
40
60
80
100
120
140
160
180
200
Temperature( )
Fin temperature thermistor(RT64)
Resistance(k )
Resistance(k )
Temperature (°C)
Discharge temperature thermistor (RT62)
Resistance (kΩ)
0
100
200
300
400
500
600
700
800
0
10 20 30 40 50 60 70 80 90 100 110 120
Front side of unit
Back side of unit
Fin temperature
thermistor/RT64
(CN642)
Ambient
temperature
thermistor/RT65
(CN643)
Discharge temperature
thermistor/RT62(CN641)
Defrost thermistor
/RT61(CN641)
DB61
260 - 370 V DC
Smoothing
capacitor
(C62)
Output to drive
compressor
(LDU, LDV, LDW)
Smoothing
capacitor
(C61)
Fuse (F901)
T3.15AL250V
Jumper wire
for changing
defrost setting
(JS)
Signal of outdoor
fan motor
(CN931, CN932)
230 V AC
Outdoor heat
exchanger
temperature
thermistor
/RT68 (CN644)
Jumper wire
for pre-heat
control setting
(JK)
LEV (CN724)
LED
Smoothing
capacitor
(C63)
Fuse (F62)
15 A 250V
Fuse (F61)
25 A 250 V
Fuse (F701)
T3.15AL250V
R.V.coil
(CN721)
230 V AC
Fuse (F801)
T3.15AL250V
(+)
(-)
OBH906A
