4-2. Defrost Mode

INPUT

 

CONTROL OBJECT

 

 

1. Comp

1. Defrosting Cycle

 

2.

F-Fan

 

3.

R-Fan

 

 

 

 

4.

D-Heater

 

 

 

 

 

CONTENTS

REMARKS

1. Defrost Mode

 

 

 

Pre-Cool

Pre-Cool

 

1)

Time : 50 minutes

 

2) Comp , F-fan : ON

 

 

 

R-fan : Control

 

 

D-HTR : OFF

 

3)

If F-sensor-27, then Pre-Cool becomes. OFF

Heater

Heater

Defrosting

Defrosting

1) Comp, F-fan, R-fan : OFF

 

D-HTR : ON

 

 

2) Time limit

 

30 seconds : Heater is ON regardless of D-sensor

 

temperature right after defrosting start

 

30 minutes : in case of D1- Error

 

80 minutes : in normal control state

 

3) If D-sensor ≥13, Heater Defrosting is OFF

Pause

Pause

 

Time : 7 minutes

 

Comp, F-fan, R-fan, Heater etc. : OFF

 

Fan-Delay

Fan-Delay

1) Time : 5 minutes

 

 

Comp : ON and F-fan, R-fan, Heater : OFF

 

2.The defrost mode start with the following conditions

1)Total operation time of comp. becomes : 6,8,10,……… 24 hours.

Comp. operating rate : more 85%

Total door open time : 2 minutes

(Any door, F or R open time is over 2 minutes.)

Any error mode : R1, F1, D1, F3, RT/S, Door-switch etc.)

2)Defrosting mode starts unconditionally as long as total comp. work time is 24 hours, even if the above conditions 1) are not satisfied.

3)Defrosting mode starts immediately as long as total time of [comp. ON + comp. OFF] is over 60 hours, even if the above 1) and 2) conditions are not satisfied.

3.In providing initial power (or returning power failure)

If D-sensor temp. ≤ 3.5, defrosting mode starts .

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Daewoo frs20 manual Defrost Mode, Comp, Defrosting Cycle Fan Heater