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Air Conditioner Service Manual
42
11. Trouble shooting
11.1 Outdoor control diagram
11.2 The structure of ODU PCB
ONE TO 2 TYPE
Motor
Communication
Filter circuit for
heavy current
Switch power supply
LP HP
Communication
Communication
Sensor
circuit
Expansion
valve
4-way valve
Compressor
driving
Rectifying filtering
circuit
PFC
EEPROM
Switch power supply
Communication