Daewoo DSB-121LH - Control Block Diagram; Control Block Diagram: DSB-071 LH, 092 LH, 123 LH

Relay RL1
Indoor fan
motor
Compressor
Relay RL2
Outdoor
fan motor
Relay RL3
4 way
valve
TRIAC
DC12V
Operating Mode
Fan Speed
Timer Selection
Flap Position
Unit on lamp
Room air temp.
Indoor coil temp.
Outdoor coil
temp
Air clean lamp
Quick lamp
Remote
Emergency
Operation
Signal
receiver
Timer lamp
A/D converter lnitialization
Clock generation
DC power supply
Circuit for
relay driving
Circuit for
TRIAC control
SMPS
Circuit for signal receiver
MICRO
CONTROLLER
Beeper
circuit for
motor driving
Stepping
motor
Temp. Setting
ON/OFF
SLEEP
REMOCON
AC220V
50Hz
STEPPING MOTOR
ON/OFF
COMPRESSOR
ON/OFF
DC5V
51
6. CONTROL BLOCK DIAGRAM
◆DSB-071LH, 092LH, 123LH