Daewoo FRS-U20DB series - Relay Function

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1. Circuit Diagram
#14≒12V
#12≒12V
#10≒12V
#14≒0.7V
#12≒0.7V
#10≒0.7V
IC7
#3≒0V#3≒5.0VRelay 3Louver Heater
OFF ConditionON Condition
#5≒0V#5≒5.0VRelay 5D-Heater
Relay 1
Control Mode
Method
IC7
IC ULN2004
Output pin
#1≒5.0V
MICOM Port
#1≒0V
MICOM Port
Comp
IC ULN2004
Output pin
Control
CONTENTS REMARKS
5-3. Relay Function
- Basic Model
2. How it works;
IC1
(MICOM)
Comp
D-Heater
Louver Heater
D-Heater
Louver Heater
Comp
R-Lamp
F-Lamp
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