5-2. Function of Each Sensor

- Dispenser Model

CONTENTS

REMARKS

Compensation of

 

R-sensor ON/OFF temp.

IC1

B

(MICOM)

C

A

[F-sensor]

1)It senses the temperature of freezer compartment and control Comp., F-fan ON/OFF

2)How it works;

Working Point

Low ON

Mid OFF

High OFF

Working Temp.

-11

-16

-19

Resistance

9.32

15.19

15.58

Sensing Voltage

3.24V

2.93V

2.73V

[R-sensor]

1)It senses the temperature of refrigerator compartment and control R-fan ON/OFF

2)How it works;

 

Working Point

Low ON

 

Mid OFF

 

High OFF

 

Working Temp.

7.7

 

5.2

 

3.2

 

Resistance

23.33

 

24.05

 

24.76

 

Sensing Voltage

2.96V

 

2.83V

 

2.72V

[D-sensor]

 

 

 

 

 

1) It senses return point of defrosting heater.

 

 

 

 

2) How it works;

 

 

 

 

 

 

 

 

 

 

 

Working Point

 

Return point of defrosting heater

 

 

Working Temp.

 

 

13

 

 

Resistance

 

 

22.56

 

 

Sensing Voltage

 

 

3.08V

 

*In case temperature of refrigerator compartment is weak or insufficient though comp. and R-fan operate in normal way;

1)Cut J1 on the M-PCB, then temp. is lowered 1.5than [Mid OFF point]

2)Cut J1 and J2 on the M-PCB, then the temp, is lowered 3.

32

Page 33
Image 33
Daewoo frs20 manual Function of Each Sensor, Micom