Daewoo FRU-541 F - Page 37

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CONTENTS
REMARKS
■ FRS(N)-U20DA/EA/FA/GA
[F-sensor (A)]
1) It senses the temperature of freezer compartment and control Comp., F-fan ON/OFF
2) How it works;
-19℃-16℃-11℃Working Temp.
≒3.24V
≒9.32㏀
Low ON
≒2.73V≒2.93VSensing Voltage
≒15.58㏀≒15.19㏀Resistance
High OFFMid OFFWorking Point
[R-sensor (B)]
1) It senses the temperature of refrigerator compartment and control R-fan ON/OFF
2) How it works;
3.2℃5.2℃7.7℃Working Temp.
≒2.96V
≒23.33㏀
Low ON
≒2.72V≒2.83VSensing Voltage
≒24.76㏀≒24.05㏀Resistance
High OFFMid OFFWorking Point
[D-sensor (C)]
1) It senses return point of defrosting heater.
2) How it works;
13℃Working Temp.
≒3.08V
≒22.56㏀
Return point of defrosting heater
Sensing Voltage
Resistance
Working Point
* In case temperature of refrigerator compartment is weak or insufficient,
though comp. and R-fan operate in normal way;
1) Cut J18 on the M-PCB, then temp. is lowered 1.5℃ than [Mid OFF point]
2) Cut J18 and J19 on the M-PCB, then the temp, is lowered 3 ℃
IC1
(MICOM)
Compensation of
R-sensor ON/OFF temp.
A
B
C
D