Hitachi RAC-07CH5 - Page 39

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BLOCK DIAGRAM
MODEL RAS-07CH5/RAS-09CH5/RAS-14CH5 // RAC-07CH5/RAC-09CH5/RAC-14CH5
INDOOR UNIT
POWER SUPPLY
POWER RELAY STICK 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 OUTDOOR FAN MOTOR
RELAY
POWER RELAY STICK RELAY REVERSING VALVE RELAY EXTERNAL FAN RELAY
BUZZER CIRCUIT
OPERATION TIMER FILTER
INDICATION LAMP
AUTO SWEEP MOTOR
MICROCOMPUTER CLOCK CIRCUIT
INITIALIZING
CIRCUIT
RESET
CIRCUIT
MICROCOMPUTER
(AX-3U)
M
FM
M
F M
REVERSING VALVE
R V