22
6. CONTROL BLOCK DIAGRAM
Relay K1
Stepping
Motor 1
Indoor fan
motor
Compressor
outdoor fan
motor
TRIAC
DC12V
Operating Mode
Fan Speed
Timer Selection
Flap Position
Unit on lamp
Room air temp.
Indoor coil temp.
Timer lamp
Air-clean lamp
Remoto
Energency
Operation
Signal
receiver
Natural lamp
A/D converter
lnitialization
Clock generation
DC power supply
Circuit for
motor driving
Circuit for
relay driving
Circuit for
TRIAC control
Transformer
Circuit for signal receiver
MICRO
CONTROLLER
Beeper
Temp. Setting
ON/OFF
SLEEP
REMOCON
AC220V
50Hz
STEPPING MOTOR
ON/OFF
COMP RESSOR
ON/OFF
DC5V
