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4-3. Indoor Unit
Functional part name
Pulse Motor Valve PMV
Temp. sensor 1. TA
2. TC1
3. TC2
4. TCJ
Functional outline
(Connector CN082 (6P): Blue)
1) Controls super heat in cooling operation
2) Controls under cool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
(Connector CN104 (2P): Yellow)
1) Detects indoor suction temperature
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
(Connector CN101 (2P): Black)
1) Controls PMV under cool in heating operation
(Connector CN102 (2P): Red)
1) Controls PMV super heat in cooling operation
2) [MMU-AP0071 to AP0121YH only]
Controls PMV under cool in heating operation
Air heat exchanger
at indoor side
Fan
M
Fan motor
Sensor
(TA)
Sensor
(TC1)
Gas sideLiquid side
Strainer
Capillary tube
Pulse Motor
Valve (PMV)
Distributor
Sensor
(TCJ)
Sensor
(TC2)
(NOTE) MMU-AP0071YH to AP0121YH type air conditioners have no TC2 sensor.