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Temperature( )
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
Temperature( )
Discharge temperature thermistor(RT62)
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700
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Temperature( )
Fin temperature thermistor(RT64)
Resistance(k )
Resistance(k )
Resistance(k )
1. Inverter P.C. board
11-6. TEST POINT DIAGRAM AND VOLTAGE
CN642
Fin temperature
thermistor (RT64)
CN643
Ambient temperature
thermistor (RT65)
CN641
Discharge temperature
thermistor (RT62)
CN641
Defrost thermistor
(RT61)
CN724
LEV
connector
DB61
Bus-bar voltage
260 - 300 VDC
Front side of unit
230 VAC
C62
Smoothing
capacitor
Output to
drive
compressor
(LDU,
LDV,
LDW)
(+)(-)
F701
Fuse
T3.15AL250V
C61
Smoothing
capacitor
C63
Smoothing
capacitor
F901
Fuse
T3.15AL250V
CN721
R.V.coil
230 VAC
JS
(MUZ-GE25/33/35/42/
VA, 35VA2)
Jumper wire for
changing defrost
setting
(
MUZ-GE25/35/42VAD
)
Jumper wire for
changing demand
response capability
CN932
Output to drive outdoor
fan motor
230 VAC
CN644
Outdoor heat exchanger
temperature thermistor
(RT68)
JK
Jumper wire
for pre-heat
control setting
F801
Fuse
T3.15AL250V
Back side of unit
LED
MUZ-GE25VA MUZ-GE25VAD MUZ-GE33VA
MUZ-GE35VA MUZ-GE35VA2 MUZ-GE35VAD MUZ-GE42VA MUZ-GE42VAD
OBH532E