Block Diagram; Indoor Unit - Samsung AQB18J6WC Service Manual

12. Block Diagram

12-1 Indoor Unit

HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
INFRARED SIGNAL
REMOTE CONTROL
POWER ON/OFF
MODE
(AUTO, COOL, DRY, FAN,
HEAT)
TURBO OPERATION
FAN SPEED SELECT (H/M/L/
AUTO)
BLADE-H
MOVING SELECT
ON, OFF TIMER
SELECT/CANCEL
TEMPERATURE
SELECT(UP/DOWN)
SLEEP OPERATION
ANION SELECT
AUTO CLEAN SELECT
ENERGY SAVING SELECT
SOUND ON/OFF SELECT
DIGITAL ON/OFF
12-1
CONTROLLER
• BLADE CONTROL
• INDOOR FAN MOTOR CONTROL
• OUTDOOR COMMUNICATION
• POWER RELAY CONTROL
• TEMPERATURE CONTROL
• TIMER
• BUZZER MELODY CONTROL
• ANION CONTROL
OSCILLATION
CIRCUIT
• COMPRESSOR CONTROL
SIGNAL
• STEPPING MOTOR
CONTROL SIGNAL
• BUZZER MELODY CONTROL
SIGNAL
• ANION CONTROL SIGNAL*
• STEPPING MOTOR DRIVE
• BUZZER DRIVE
• ANION DRIVE*
DC5V
VOLTAGE REGULATOR
DC12V
SMPS POWER BLOCK
AC INPUT
IC-MCU
ZERO
VOLTAGE
DETECT
TRIGGER
SIGNAL
SSR
COMMUNICATION
SIGNAL
BUZZER
*: OPTION
DISPLAY PART
TEMPERATURE
OPERATION
AUTO CLEAN
TURBO
ENERGY SAVING
TIMER
ANION
FAN SPEED
INDOOR FAN MOTOR
OUTDOOR UNIT
COMPRESSOR
OUTDOOR FAN MOTOR
4-WAY VALVE
ANION
STEPPING MOTOR
: BLADE CONTROL
MELODY CONTROL PART
SPEAKER
OPTION
DC5V
DC12V
AC230V
DC25V
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