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6. CONTROL BLOCK DIAGRAM
¡ DSA-101L/DSA-121L
Room air temp.
Indoor coil temp.
A/D converter
Beeper
Unit on lamp
Remote
Air clean lamp
Emergency
Quick lamp
Operation
Timer lamp
MICRO
CONTROLLER
STEPPING MOTOR
COMPRESSOR
ON/OFF
ON/OFF
Circuit for
motor driving
Stepping
Motor
Signal
receiver
Circuit for signal receiver
lnitialization
Clock generation
DC5V
DC power supply
DC12V
Circuit for
Circuit for
relay driving
TRIAC control
Relay RL1
Compressor
Indoor fan
outdoor fan
motor
21
Operating Mode
Fan Speed
Timer Selection
Flap Position
Temp. Setting
ON/OFF
SLEEP
REMOCON
Transformer
TRIAC
motor
AC220V
50Hz
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