Specifications

54
6. CONTROL BLOCK DIAGRAM
Relay RL1
Stepping
Motor
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.
Air clean lamp
Quick lamp
Remote
Emergency
Operation
Signal
receiver
Timer lamp
A/D converter lnitialization
Clock generation
DC power supply
Circuit for
motor driving
Circuit for
relay driving
Circuit for
TRIAC control
SMPS
Circuit for signal receiver
MICRO
CONTROLLER
Beeper
Temp. Setting
ON/OFF
SLEEP
REMOCON
AC220V
50Hz
STEPPING MOTOR
ON/OFF
COMPRESSOR
ON/OFF
DC5V
◆DSB-071L, 092L, 123L/DSA-123L