Control Block Diagram - Daewoo DSB-070LH Service Manual

6. CONTROL BLOCK DIAGRAM

* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH/DSB-240LH
Room air temp.
Indoor coil temp.
Outdoor coil
temp
Stepping
motor
Unit on lamp
Air clean lamp
Quick lamp
Timer lamp
A/D converter
Beeper
CONTROLLER
circuit for
motor driving
STEPPING MOTOR
ON/OFF
Relay RL3 Relay RL2
4 way Outdoor
valve fan motor
Remote
Signal
receiver
Emergency
Operation
Circuit for signal receiver
lnitialization
MICRO
Clock generation
DC5V
DC power supply
DC12V
COMPRESSOR
ON/OFF
Circuit for
relay driving
Relay RL1
Compressor
33
Operating Mode
Fan Speed
Timer Selection
Flap Position
Temp. Setting
ON/OFF
SLEEP
REMOCON
Transformer
Circuit for
TRIAC control
TRIAC
Indoor fan
motor
AC220V
50Hz