Samsung ASH-0906ER - Block Diagrams; Microcomputer Control Block Diagram

Samsung Electronics
7-1
7-1 Micro Computer Block Diagram
HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
INFRARED SIGNAL
∙BLADE-H CONTROL
∙INDOOR FAN MOTOR
CONTROL
∙OUTDOOR FAN MOTOR
CONTROL
∙COMPRESSOR
CONTROL
∙4-WAY VALVE
CONTROL
∙TEMPERATURE
CONTROL
∙TIMER
∙BUZZER CONTROL
INDOOR FAN MOTOR
SPEED DETECT
ZERO CROSSING
POWER ON/OFF
MODE
(AUTO, COOL, DRY,
FAN, HEAT)
TURBO, MILD SELECT
FAN SPEED SELECT
BLADE-H
MOVING SELECT
ON, OFF TIMER SELECT
TEMPERATURE SELECT
SLEEP SELECT
TIME SETTING
∙COMPOR CONTROL
SIGNAL
∙OUTDOOR FAN
CONTROL SIGNAL
∙4-WAY VALVE
CONTROL SIGNAL
∙STEPPING MOTOR
CONTROL SIGNAL
∙BUZZER CONTROL
SIGNAL
TRIGER
SIGNAL
SSR
∙COMPOR DRIVE
∙OUTDOOR FAN
DRIVE
∙4-WAY VALVE
DRIVE
∙STEPPING MOTOR
DRIVE
∙BUZZER DRIVE
RESET
CIRCUIT
OSCILLATION
CIRCUIT
MODE SELECT
SWITCH
* INDICATOR PANNEL
COOL/HEAT LED
TIMER LED
FAN ONLY LED
DE-ICE LED
INDOOR FAN MOTOR
COMPOR
OUTDOOR FAN MOTOR
4-WAY VALVE
STEPPING MOTOR
BUZZER
VOLTAGE REGULATOR
DC 5V
DC 12V
INDOOR CONTROL PANEL
POWER TRANSFORMER
AC INPUT
220~240V/50Hz
REMOTE CONTROLLER
HUMIDITY SENSOR
7. Block Diagrams