Hitachi RAS-09G4 - Page 38

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BLOCK DIAGRAM
MODEL RAS-07G4/09G4/14G4//RAC-07G4/09G4/14G4
INDOOR UNIT
POWER SUPPLY
POWER RELAY
DC FAN MOTOR OPERATION CIRCUIT
WIRELESS REMOTE CONTROLLER ROOM TEMPERATURE THERMISTOR HEAT EXCHANGER THERMISTOR
WIRELESS RECEIV- ING CIRCUIT
INDOOR FAN MOTOR
OUTDOOR UNIT
COMPRESSOR
RELAY POWER RELAY
BUZZER CIRCUIT
OPERATION TIMER FILTER
INDICATION LAMP
AUTO SWEEP MOTOR 1
MICROCOMPUTER CLOCK CIRCUIT
INITIALIZING
CIRCUIT
RESET
CIRCUIT
MICROCOMPUTER
(AX-3U)
M
FM
M
OUTDOOR FAN MOTOR
FM