Service manual

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Temperature( )
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
Temperature( )
Discharge temperature thermistor(RT62)
0 102030405060708090100110120
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200
300
400
500
600
700
0 1020304050607080
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160
180
200
Temperature( )
Fin temperature thermistor(RT64)
Resistance(k )
Resistance(k )
Resistance(k )
MUZ-GE50VA MUZ-GE50VAH
Fin temperature thermistor/RT64 (CN642)
Ambient temperature thermistor/RT65 (CN643)
Discharge temperature thermistor/RT62 (CN641)
Defrost thermistor /RT61(CN641)
LEV connector (CN724)
DB61
280 - 370 VDC
Front side of unit
230 VAC
Smoothing
capacitor
(C62)
Output to
drive
compressor
(LDU,
LDV,
LDW)
(+)
(-)
Fuse (F701)
T3.15AL250V
Smoothing
capacitor
(C61)
Smoothing
capacitor
(C63)
Fuse (F801)
T3.15AL250V
Fuse (F901)
T3.15AL250V
R.V.coil
(CN721)
230 VAC
Jumper wire for changing defrost setting (JS)
Output to drive outdoor fan motor (CN932)
230 VAC
Outdoor heat exchanger temperature thermistor /RT68(CN644)
Jumper wire for pre-heat control setting (JK)
Signal of outdoor fan motor (CN931)
Heater connector
(CN722)
MUZ-GE•VAH
Back side of unit
LED