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Mitsubishi Electric MXZ-24UV -E2 Service Manual page 33

Inverter-controlled multi system
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TEST POINT DIAGRAM AND VOLTAGE
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MXZ-24UV
MXZ-24UV
E1
,
Electronic control P.C.board
Discharge temperature thermistor
0.3~0.6V DC
Evaporation temperature thermistor
2.5~4.0V DC
Fin temperature thermistor
1.0~4.0V DC
Temperature(;)
12V DC
0~5V DC
5V DC
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E2
Defrost temperature thermistor
2.5~4.0V DC
R.V. coil
12V DC
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LED monitor indication
Room A
Gas pipe temperature
thermistor 2.5~4.0V DC
Discharge temperature thermistor
Temperature(;)
Outdoor fan ON 12V DC
Outdoor fan Lo 12V DC
Outdoor fan Me 12V DC
Room C
Room B
High pressure switch
33
Gas pipe temperature thermistor
Evaporation temperature thermistor
Defrost temperature thermistor
Temperature(;)
Serial signal Room C 5~10V DC
Serial signal Room B
5~10V DC
Serial signal Room A
5~10V DC
Relay 12V DC
Liner expansion valve(LEV)
12V DC pulse wave

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