Samsung Electronics
13. Block Diagram
HEAT EXCHANGER SENSOR
INDOOR FAN MOTOR
BUZZER
COMPRESSOR
OUTDOOR FAN MOTOR
4 WAY VALVE*
STEPPING MOTOR
: BLADE
UP/DOWN
IC-MCU
ROOM TEMPERATURE SENSOR
CONTROLLER
REMOTE CONTROL
OPERATION
TURBO
TIMER
DISPLAY PART
INFRARED SIGNAL
OSCILLATION
CIRCUIT
TURBO OPERATION
GOOD MORNING
OPERATION
POWER ON/OFF
ON, OFF TIMER
SELECT
FLAP
TEMPERATURE
SELECT(UP/DOWN)
ZERO
VOLTAGE
DETECT
TRIGGER
SIGNAL
SSR
FAN SPEED SELECT
(H/M/L/AUTO)
AC INPUT
MODE
(AUTO, COOL, DRY,
FAN),HEAT*
BLADE CONTROL
INDOOR FAN MOTOR CONTROL
COMPRESSOR CONTROL
OUTDOOR FAN MOTOR CONTROL
4 WAY VALVE CONTROL (*)
TEMPERATURE CONTROL
TIMER
BUZZER CONTROL
COMPRESSOR DRIVE
OUTDOOR FAN MOTOR DRIVE
4 WAY VALVE DRIVE*
STEPPING MOTOR DRIVE
BUZZER DRIVE
COMPRESSOR CONTROL SIGNAL
OUTDOOR FAN MOTOR CONTROL
SIGNAL
4 WAY VALVE CONTROL SIGNAL*
STEPPING MOTOR CONTROL
SIGNAL
BUZZER CONTROL SIGNAL
DC5V
DC12V
SMPS POWER BLOCK
VOLTAGE REGULATOR
*: OPTION
13-1
RESET
CIRCUIT