Block Diagram - Samsung AS18WJWB Service Manual

8. Block Diagram

HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
INFRARED SIGNAL
REMOTE CONTROL
POWER ON/OFF
MODE
(AUTO, COOL, DRY,
FAN, HEAT(*))
TURBO OPERATION
1HR TIMER
FAN SPEED SELECT
(H/M/L)
FLAP
ON, OFF TIMER
SELECT
TEMPERATURE
SELECT
SLEEP SELECT
ENERGY SAVING
BATTERY CHECK
Samsung Electronics
CONTROLLER
• BLADE CONTROL
• INDOOR FAN MOTOR CONTROL
• COMPRESSOR CONTROL
• TEMPERATURE CONTROL
• TIMER
• BUZZER CONTROL
RESET
CIRCUIT
• OUTDOOR FAN MOTOR CONTROL
• 4-WAY VALVE CONTROL(*)
OSCILLATION
CIRCUIT
• COMPRESSOR CONTROL
SIGNAL
• STEPPING MOTOR
CONTROL SIGNAL
• BUZZER CONTROL SIGNAL
• OUTDOOR FAN MOTOR
CONTROL SIGNAL
• 4-WAY VALVE CONTROL
SIGNAL(*)
• COMPRESSOR DRIVE
• OUTDOOR FAN MOTOR
DRIVE
• STEPPING MOTOR DRIVE
• BUZZER DRIVE
• 4-WAY VALVE DRIVE(*)
DC5V
VOLTAGE REGULATOR
DC12V
SMPS POWER BLOCK
AC INPUT
IC-MCU
ZERO
VOLTAGE
DETECT
TRIGGER
SIGNAL
SSR
BUZZER
✳ (*)marks : In case of heat pump model.
DISPLAY PART
OPERATION
TIMER
TURBO
INDOOR FAN MOTOR
COMPRESSOR
OUTDOOR FAN MOTOR
4-WAY VALVE(*)
STEPPING MOTOR
: BLADE UP/DOWN
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