Daewoo frs20 manual

Refrigerato r S/M No: RNU20IB001 - May, 2006 ✔ Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center FRN-U20IB* FRS-U20IB* FRN-U20DB * FRN-U20EB * FRS-U20DB * FRS-U20EB *[...]

1 C O N T E N T S 1. WARNINGS AND PRECAUTIONS FOR SAFETY ----------------------------2 2. EXTERNAL VIEW 2-1. External Size ---------------------------------------------------3 2-2. Name of Each Parts ------------------------------------------6 2-3. Cold Air Circulation ----------------------------------------------8 3. SPECIFICATION ---------------[...]

2 Please observe the following safet y precautions in or der to use safely and correctly the refrigerator and to prevent accident and danger durin g re pair. 1. Be care of an electric shock. Disconnect po wer cord from wall outlet and wait for more than three minutes before replacing PCB parts. Shut off the power whenever replaci ng an d repairing [...]

3 2-1. External Size 2. EXTERNAL VIEWS - FRS(N)-U20IB[...]

4 - FRS(N)-U20DB / EB[...]

5 - FRS(N)-U20FB / GB[...]

6 12. Refrigerator case 11. Refrigerator pocket 10. Refrigerator shelf 5. Freezer case 9. Movable Egg case 4. Freezer shelf 8. Chilled case 3. Ice tray 7. Refrigerator light 2. Freezer pocket 6. Dairy pocket 1. Freezer light Refrigerator Compartment Freezer Compartment 1 2 4 3 5 7 8 9 10 11 12 6 2-2. Name of Each Parts - Basic Model - Wine Rack is [...]

7 12. Refrigerator pocket 6. Freezer case 7. Dairy pocket 1. Ice cubes storage case 13. Magic room (option) 11. Refrigerator shelf 5. Freezer pocket 10. Movable Egg case 4. Freezer shelf 9. Wine Rack 3. Water/Ice Dispenser 8. Refrigerator light 2. Freezer light Refrigerator Compartment Freezer Compartment 1 2 4 3 6 8 9 10 12 13 7 5 - Full option Mo[...]

8 Freezer Compartment Refrigerator Compartment 2-3. Cold Air Circulation[...]

9 3. SPECIFICATION 3-1. Specification 117kg 115kg 113kg 115kg 330 Li 170 Li 500 Li 352 Li 184 Li 536 Li FRS(N)- U20GB 334 Li 170 Li 504 Li 357 Li 184 Li 541Li FRS(N)- U20FB 334 Li 170 Li 504 Li 357 Li 184 Li 541 Li FRS(N)- U20DB C Y C L E ID Φ 0.7 × T0.5 5 × L2200 Capillary Tube Molecular Sieve XH-9 Dryer Fan Cooling System Condenser Fin Type Ev[...]

10 DC13V / 1100 ± 100 rpm Condenser Fan Motor DC13V / 1950 ± 100 rpm R-Fan Motor DC13V / 2050 ± 100 rpm F-Fan Motor E L E C T R I C A L P A R T S Dispenser Model Specification ( 220~240V Models only ) Item Basic Model Model Name AC250V , 10A , 77 ℃ Fuse Temp (Defrost) PBN-38 F-Sensor D-Sensor D E F O R E S T AC220V / 5W - Water Pipe Heater AC2[...]

11 4-1. Display 5 4 3 2 1 Temp indication Max Medium Max Mid Medium Min Min Temper ature Chang 5 4 3 2 1 Temp indication Max Medium Max Mid Medium Min Min Temper ature Change 1. “FRZ.TEMP” Button 1) Temper ature contr ol of Freeze r compa rtment 2) 5 step mode of succe ssive temperatu re mode. 3) Initia l mode by pow er input : “3” ※ When[...]

12 1. Display control 2. “FREEZER S ET” Button 1) Tempe rature contr ol of fr eezer co mpartment 2) 7 step mode of succe ssive temperatu re mode. 3) Initia l mode by pow er input : “Med ium(- 19 ℃ )” ※ Whenever pre ssing button, sett ing is r epeated in the orde r of Medium (-19 ℃ ) → Medium Max 1 (-20 ℃ ) → Medi um Max 2 (-2 1 [...]

13 CONTENTS REMARKS 4. “REF RIGERATO R SET” button. 1) Temperatur e control o f Refrigerator com partment 2) 5 step mode of succe ssive temperatu re mode. 3) Initia l mode by pow er input : “Med ium (4 ℃ )” ※ Whenever pre ssing button, setting is r epeated in the order of Medium (4 ℃ ) → Me dium Max ( 3 ℃ ) → Max (2 ℃ ) → Mi[...]

14 1. Defro st Mode INPUT CONTROL OBJECT CONTENTS REMARKS 1. Defrosting Cycle 1. Comp 2. F-Fan 3. R-Fan 4. D-Heater Pre-Cool Pause Fan-Delay Heater Defrosting Pre-Cool 1) Ti me : 50 minutes 2) Co mp , F -fan : ON R-fan : Control D-HTR : OFF 3) If F-sensor ≤ -27 ℃ , then Pre-Cool becomes. O FF Heater Defrosting 1) Comp , F-fan, R- fan : OFF D-HT[...]

15 CONTENTS REMARKS 4. Flow Chart of Def rosting S tart Start Comp. operating time is over 24 hours? Total time is over 60 hou rs? Comp. operating time is over 6 hours? End Defrosting start Comp. ope rating ti me is over 2 hours? Any error ? NO YES NO NO YES Total door open time is over 2 min? YES YES YES YES NO NO NO Comp. ope rating rate is more [...]

16 1. A/S Defro sting Mode ( Heater defro st → Pause → Fan Delay ) INPUT CONTROL OBJECT CONTENTS REMARKS 1. Defrosting Cycle 1. Comp 2. F-Fan 3. R-Fan 4. D-Heater Heater Defrosting 1) Comp, F-fan, R- fan : OFF D-HTR : ON 2) Time limit 30 seconds : Heate r is ON r egardless of D -sensor temperatur e righ t after def rosting sta rt 30 minutes : i[...]

17 It is linked with comp . INPUT CONTROL OBJECT CONTENTS REMARKS 1. Comp Louver Heater 1. Buzzer sounds if any button of Inner Contr ol is pushed. 2. Buzzer sounds 4 ti mes 3 seconds after initial pow er input. 3. Buzzer sounds for 3 or 1 tim es in case of A/S for ced defr osting and sho rt (pull down) operation or exp lanation mode . 4. If door i[...]

18 1. Start Open and close “ Freezer door sw itch” 5 times while pushing “ FRZ. T EMP” button simultaneously . 2. Control 1) All other electrical co mponents are OFF ex cept for F- fan / R-fan 2) Fan Control Door open → Fan ON / Door close → Fan OFF. 3) Display control “FRZ . LED” and “REF . LED” are ON in good order 3. Stop 1) [...]

19 Compensa tion of R -sensor O N/OFF temp. (down) In case tem perature o f refrigerato r compartment is weak or insufficie nt, take the follo wing ac tion. INPUT CONTROL OBJECT CONTENTS REMARKS Main PCB Resistance of R-sensor Mid ON/OFF Point R36 : R-SENSOR standard resist ance in norma l mode (31.4K) R37 : In case of w eak ref. , cut J1 ( or J18 [...]

20 1. How to start 1) Press “ FRZ.T EMP” button 5 times while pressing “REF .TEMP” button at the same time. 2. How to stop 1) Push “FRZ.TEMP” butt o n 1 time. 2) It stops automatica lly in 4 minute s from the star t. 3. All the erro r codes are rese t if they turn to be norma l. 4. Error displa y INPUT CONTROL OBJECT CONTENTS REMARKS Te[...]

21 5. Control wa y of Errors (if any) 1) “F-sensor” error Cause : F-sen sor open or short Control : Condition o f ambie nt t emp erat ure How to res et : If F-s ensor is normal, th e error is terminal temp erature. CONTENTS REMARKS 2) “R-sensor” error Cause : R-sen sor open or short Control : Condition o f ambie nt t emp erat ure How to res[...]

22 1. How to start 1) Under “LO CK” mode, press “SUPER FREEZ ER” button 5 times while pressing “FREEZ ER SET” button at the same tim e. 2) The front CLED displa ys as th e right di a gram sho ws ( [Ex.] Time Display of 0003 signifies 3 minutes of pow er on tim e.) 3) Press “FREEZ ER SET” button and the follow ing value is displayed [...]

23 1) “F1” error Cause : F-se n sor discon n ec tio n or shor t Check point : Measure the resistance between both terminals afte r separating CN8 (or CN15) of the Main PCB. ( Refer to the 5- 2.) If F-sens or is disconnected or shorted , change the F- sensor in the free zer compar tment. How to res et : If F-se nsor is normal, th e error is term[...]

24 9) “EI”ERROR Cause : I-SENS OR discon n ectio n / short Check point : Measu re the resistance between both termina ls after separat ing CN11 of the Main PCB. ( Refer to the 5-2 .) If F-senso r is disconnected or shorted , change the I- sensor in the autom atic ice maker . CONTENTS REMARKS 10) “EF” ERROR Cause : When Flow -sensor ERR OR ([...]

25 Element A/S Function INPUT CONTROL OBJECT CONTENTS REMARKS Each button Resistance of R-sensor Mid ON/OFF Point “REF.TEMP”+ “FRZ.TEMP” 5 times Error display “FRZ.TEMP”+ “FRZ.DOOR” OPEN/CLOSE 5 times Demo function “REF.TEMP”+ “FRZ.DOOR” OPEN/CLOSE 5 times Pull Down “FRZ.TEMP” + “REF.TEMP” 5 times Forced De frosting [...]

26 1. Filter Exchange Inform ation : Recor d as a real-t ime fro m the point of power input 2. P Factor (Inform ation about Ice M aker) INPUT CONTROL OBJECT CONTENTS REMARKS None 1. F-FAN, R-FAN, C-FAN INPUT CONTROL OBJECT CONTENTS REMARKS Full ice sensing switch Ice Maker Lock Sensors Ice separating motor 1. Flow of ice m aking 1) Press TES T swit[...]

27 CONTENTS REMARKS 2) With the initia l power inpu t, Ice tr ay turns to be horizonta l and ice m aking mode starts. 3) Cont rol of w ater ho se heater * Heater is alway s ON if RT-s ensor has an e rror or RT is below 15 degree. * Heater is alw ays ON for 60 mi nutes (max . Limit tim e) if F low- sensor has an erro r 4) Water supply stand -by Cond[...]

28 CONTENTS REMARKS 3. Ice separating ( drop) mode CCW CW STO P CW motor revolution level SW status of ice tra y Horizonta l position Ice separation st art 8~11sec MAX1.1sec 8.5~12.2sec 0.2sec normal level S W level SW error 1.1 sec 11 sec 10 sec 1) Tim e of each zone u sed to ver ify leve l swit ch error 2) The rotati on of motor is sens ed at eac[...]

29 CONTENTS REMARKS 1) Water supply valve is open when wa ter supply m ode starts afte r separati on of ices. 2) Water is supp lied by time in case sensor has error. 3) Factor valve is varia ble which can be useful in AS action ① Water flow pulse is set to 238 if flow sensor is in normal condit ion. (If water is supplied by tim e, maxim um water [...]

30 CONTENTS REMARKS 4) Control Flow & Timing Chart ① Crushed Ice ② Cubed Ice ③ Water Delay tim e : A = 500ms, B = 500ms, C = 2.0 s, D = 5.0s D.P SW Gea r Moto r D.P Lamp D.P S/V (Fl ap) D A A C D.P S W Cube S/V D.P S /V (Fla p) Gear Motor D.P Lamp A C A A B D D.P Lam p D.P SW Wate r S /V D A[...]

31 5-1. Power Circuit Diagram 5. CIRCUIT OPERATION - Bas ic Model 5Vdc 14.5Vdc 12Vdc 310Vac 230Vdc Vo ltage CE6 CE4 CE3 CE1 MC1 E D C B A Parts A - Dispenser Model B D C E A B C D E ※ Voltage of every part ※ Caution : Since high voltage ( DC310V ) is main tained at the pow er ter minal, please take a measure af ter more than 3minutes ha ve pass[...]

32 [F-senso r] 1) It senses the temperatur e of freezer compart ment and control Co mp., F- fan ON/OFF 2) How it works; -19 ℃ -16 ℃ -11 ℃ Working Temp. ≒ 3.24V ≒ 9.32 ㏀ Low ON ≒ 2.73V ≒ 2.93V Sensing Voltage ≒ 15.58 ㏀ ≒ 15.19 ㏀ Resistance High OFF Mid OFF Working Point [R-sensor] 1) It senses th e t emp era t ure of re frige[...]

33 CONTENTS REMARKS - Dispe nser Model [F-sensor (A) ] 1) It senses the tem perature of free zer compar tment and contro l Comp., F- fan ON/OFF 2) How it works; -19 ℃ -16 ℃ -11 ℃ Working Temp. ≒ 3.24V ≒ 9.32 ㏀ Low ON ≒ 2.73V ≒ 2.93V Sensing Voltage ≒ 15.58 ㏀ ≒ 15.19 ㏀ Resistance High OFF Mid OFF Working Point [R-sensor (B)] [...]

34 1. Circuit Diagram #14 ≒ 12V #12 ≒ 12V #10 ≒ 12V #14 ≒ 0.7V #12 ≒ 0.7V #10 ≒ 0.7V IC7 #3 ≒ 0V #3 ≒ 5.0V Relay 3 Louver H eater OFF Condition ON Condition #5 ≒ 0V #5 ≒ 5.0V Relay 5 D-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 CONTE[...]

35 1. Circuit Diagram CONTENTS REMARKS - Dispenser Model 2. How it w orks; #15 ≒ 12V #14 ≒ 12V #13 ≒ 12V #12 ≒ 12V #11 ≒ 12V #10 ≒ 12V #15 ≒ 12V #14 ≒ 12V #13 ≒ 12V #12 ≒ 12V #11 ≒ 12V #10 ≒ 12V #15 ≒ 0.7V #14 ≒ 0.7V #13 ≒ 0.7V #12 ≒ 0.7V #11 ≒ 0.7V #10 ≒ 0.7V #15 ≒ 0.7V #14 ≒ 0.7V #13 ≒ 0.7V #12 ≒ 0.7V #[...]

36 5-4. Fan Function - Basic Model - Dispenser Model - Vref is the referen ce voltage for the adju stment of the output voltage by the vo ltage distrib ution of Vs (Max imum outpu t voltage), and the output vo ltage applied to the fan is determined by the PWM control u sing the software. 2. Explanation for the operation * TA7291P is the drive I C f[...]

37 6-1. Wiring Diagram 6. DIAGRAM - Bas ic Model[...]

38 - Dispenser Model[...]

39 6-2. Circuit Diagram of Main PCB - Bas ic Model[...]

40[...]

41 - Dispenser Model[...]

42[...]

43 7. COMPONENT LOCATE WIEW 7-1. Front View ( Dispenser + Home bar Model ) F-Sensor Automatic Ice Maker Geared Motor R-Sensor R-Sensor Inn er Controller F-Door Sw itch R-Door Sw itch R-Door Sw itch Freezer Co mpartment (Dispenser Mode l) F-Lamp F-Fan Motor R-Lamp R-Fan Motor 7-2. Inner View Refrigerat or Compar tment (Dispenser Mode l) Refrigerat o[...]

44 D-Sensor Temp Fuse Defrost Heater Water Pipe Evapor ator Compressor Condenser Dryer Running Capacito r OLP & PTC Water Valve Condenser Fan-Motor Tray Drip Power cord 7-3. Evaporator 7-4. Machine Compartment[...]

45 NO DISASSEMBLING PROCEDURE NO D ISASSEMBLING PROCEDURE 15 26 37 48 ▷ Pull forward Ice Storage Case ▷ Remove 2 screws at the Cove Guide Cab W/Tube A. ▷ Remove 2 screws. ▷ Disassemble Cover Guide Cab W/ T ube A ▷ Pull forward Ice Maker. ▷ Pull forward Hose Ice Maker Tube As. ▷ Remove Water Hose Heater' s 2P housi ng. ▷ Check H[...]

46 NO DISASSEMBLING PROCEDURE NO D ISASSEMBLING PROCEDURE 14 25 36 ▷ Remove 2 screws. ▷ Pull forward Bracket Geared Motor. ▷ Unscrew (4 points). ▷ Separate 6 pin housing of Bracket Geared Motor from the top connector. ▷ Check Solenoid Valve and Geared Motor. 2) How to Check Hose Ice Maker Tube Assembly SPEC. CRITERION ▷ GOOD : 11.3 Ω [...]

47 NO DISASSEMBLING PROCEDURE NO D ISASSEMBLING PROCEDURE 13 2 ▷ Insert (-) screw driver into bottom hole of Dispenser Button Guide. Pull up forward to remove the guide. (Be careful not to damage guide surface.) ▷ Remove Micro switch. 2) How to Check Micro Switch CRITERION ▷ GOOD : ▷ DEFECTIVE : Change Micro Switch. PARTS HOW TO CHECK SPEC.[...]

48 NO DISASSEMBLING PROCEDURE NO D ISASSEMBLING PROCEDURE 14 36 ▷ Separate 2 housings of 10P / 7P from Front PCB. (Do not hold only wires to pull out.) ▷ Unscrew (3 points) to remove Sol Valve. ▷ Unscrew (2 points) to remove Box Dispenser Shut. ▷ Unscrew (1 point) to re move Cover Ice Flap. 2) How to Check Micro Switch 8-4. Dispenser Soleno[...]

49 8-5. Main PCB 1 2 3 4 5 6 ITEM REMARK NO CHECK POINT Compensation of Weak Refrigeration → Making R-temp cooler 1 * Used when making R-temp. do wn to compensate for weak refrigeration without changing FCP temp. setting. ▷ Cutting of J1 ; down by 1.5 ℃ ▷ Cutting of J1, J2 ; down by 3 ℃ Relay Power Controller 2 * To check normal voltage o[...]

50 ITEM REMARK NO CHECK POINT Compensation of Weak Refrigeration → Making R-temp cooler 1 * Used when making R-temp. do wn to compensate for weak refrigeration without changing FCP temp. setting. ▷ Cutting of J18 ; down by 1.5 ℃ ▷ Cutting of J18, J19 ; down by 3 ℃ Relay Power Controller 2 * To check normal voltage of each electrical devic[...]

51 NO DISASSEMBLING PROCEDURE NO D ISASSEMBLING PROCEDURE 16 38 ▷ Pull forward ice maker. ▷ Unscrew (3 points) Plate Gear Fixture. ▷ Unscrew Fixture of Frame Ice Maker. ▷ Check if ice dropping motor is normal (OK). 8-6. Ice Ma ker 1) Disassembling Proce du re 27 ▷ Remove 2 screws on top front of ice maker. ▷ Remove full ice sensing s wi[...]

52 PARTS HOW TO CHECK CRITERION Ice Dropping Motor 2) How to Chec k Ice Maker ▷ Check resistance value of 2 wires with a Multi Tester. ▷ GOOD : RS-360RH-14250 : 6 ~ 14 Ω ▷ DEFECTIVE : Change the motor. I-Sensor (Ice Sensor) ▷ Check resistance value of 2 wires with a Multi Tester. ▷ GOOD : 4.4 ~ 50k Ω (It depends on surround temp.) ▷[...]

53 1) Insert a flat tip driver into the left do wn groove of panel frame and snap it out smoothly. 2) Separate 2 housings of 10P / 7P from Fr ont PCB. (Do not hold only wires to pull out.) 3) Unscrew (7 points) to remove Front PCB. * Follow the reverse order when assemblin g. ※ How to replace Fr ont PCB Change the Main Fuse (AC250V 15A) (In the l[...]

54 Refer to error display in operation and function Start Change the Comp. Change Fuse. Temp Y N N Y N Y Y N Y N Change OLP/PTC Change F/C-Motor Change M-PCB Check lead wire Change the Defrost Heater Check ice formation on Eva. And if refrigerant leak is found, repair it. N N Y Y Y N N Defrost Heater : 192W (252 Ω ) ※ Left-lower side of Evapora[...]

55 1) Remove foods. 2) Remove Ice Bucket, shelves and cases in Freezer compartment. (1) Removing and replacing Freezer parts * Remove 2 screws of Ice Maker. * Remove the Housing of Ice Maker AS. (Right side) * Remove 4 screws of Geared Motor. * Remove the Housing of Geared Motor AS. (Center) (2) (3) (4) (5)[...]

56 * Remove light cover screws. * Pull down smoothly the bottom of light cover to remove. * Remove the screw of bracket F-Lamp. * Remove the left housing. * Hold the end of F-Fan cover and pull forward slo wly. * Remove the screw cap on the F-Louver A with a flat tip driver. Removing and replacing Freezer parts * Pull out smoothly the bracket F-Lam[...]

57 Removing and replacing Freezer parts F-Louver B Heater Housing D-Sensor Housing 1st : F-Louver B Heater Housing 2nd : None. 3rd : Defrost Heater Housing. Temp . Fu s e Defrost Heater D-Sensor Defrost Heater Temp. Fuse Housing[...]

58 Reassemble the door. Start Explain not to open doors too frequently. Y N N Y Remove the gap. Wipe out dews on the louver surface and run the refrigerator again. Change the louver assembly. Y N Y Y Y N N Make enough distance between heat applianc es and refrigerator. Y N N 9-2-2. Ice Formation on F-Louver Dews are formed on the gasket surface ins[...]

59 Change the light bulb. Start Repair the F-door switch. Check the F door switch connection and F-light socket. Y N N Y Change of F Lights Change of F Door Switch * Remove 2 screws of light cover. * Hold the bottom of light cover and pull forward to remove. * Change the light bulb. (AC240V 25W) * Insert a flat tip screw driver Into a gap of door s[...]

60 9-3. Refrigerator Compartment Solve error code problem, if any. Start Y N N Y N N Y Y Change the R-Motor. Change the Main PCB. Check the wirings. Explain not to place foods close to R-sensor or cold air spout. Explain not to open doors unnecessarily or frequently. N Y N Y Y Refer to “Freezing does not work.” N Reassemble doors. Repair to eli[...]

61 * Remove screws of light cover. * Hold the bottom of cover and pull forward to remove. ① ② ③ * Change the light bulbs. (AC240V 25W) Change the light bulb. Start Repair the R-door switch. Check the R-door switch connection and R-light socket. Y N N Y Freezer light filament is disconnected or breaking ? Connection of R door switch is OK ? 9-[...]

62 Reassemble the doors. Start Explain not to open doors unnecessarily. Y Y Repair to eliminate the gap. Make enough distance bet ween the appliances and refrigerator. Advise to cool down foods, wrap or cover foods with much water before storing in the compartment. Repair and change R-motor. Y N Y Y Y N N N N Explain not to open doors too long. Y N[...]

63 Start Explain the temperature modes. Advise to set the temp. to “Middle” or “LOW ” mode. N Repair and/or Change the R-check valve. Change the R-sensor. Y N N Y Check the R-sensor connection. (Check the connector to Main PCB.) N Y ※ Refer to “Repair /Chang e of Check Valve”. Y 9-3-4. Excessive Refrigeration of Vegetabl e Case Refrig[...]

64 * Hold the bottom and right of damper to pull down to remove. * Lift up a piece of Check Valve Flap and insert a finger to the valve frame to hold out. ⑤ ⑦ ⑥ ⑧ Removing of Check Valve * Remove screws of light cover. * Hold the bottom of cover and pull forward to remove. ① ② ③ ④ * Disconnect light housing. * Remove screws with a ([...]

65 Start Level the refrigerator by adjusting wheels. ☞ Refer to User’s Guide and SVC Manual. Y N Set it right. Y N Change the Rubber absorber. Y N Attach a restrainer on the comp. head to reduce vibration and high frequency noise. Y N Change the compressor. Remarks ● Compressor sound is somewhat normal because it wo rks like a heart to circul[...]

66 Start Attach an absorber gum on the capillar y tube. N Y Apply a gum on the accumulator. Y N Apply a gum on the accumulator. Y N Fasten the evaporator in F- compartment tightly against touching (liner) surfaces. N Y Explain refrigerator work mechanism and sound to the users or customers. Remarks ● Water flowing sound, hiss or sizzling sound ca[...]

67 Troubleshooting of Evaporator Sound 1. Hiss Soun d from Capillary Tube 1) “I” tube is used to connect the capillary tube and evaporator. (2 welding points : ① , ② ) 2. Sizzling S ound from Accumulator 3. Shaki ng o r trembling Sound of Evapo rator 1 2 2) When such a sound is made, attach a absorber on the tube including 2 welding points.[...]

68 Remarks ● The fan is sending out cold air to circulate it through the c ompartments. When the air is touching the surface of l ouver or liner wall, such sound can make. Start Change the fan. N Y Set it right not to touch. Y N Set it right not to move. Y N Change the motor assembly. N Y Explain to the customers how fan is working to circulate c[...]

69 2) Check if fan motor and fan are hanged d own. Fan working sound can be louder if they are not set right. 2. Any Touch Sound fro m Fan Troubleshooting of Fan Nois e 1. Fixing or Fastening of Fan Motor 1) Check if fan motor frame of the assembly is fastened tightly with screws to the liner wall. Unless it is tight, vibration of shaking can make.[...]

70 Remarks ● Refrigerant is erupting rapidly from the compressor to circulate pipes, so pipe shaking noise can make to some degree. ● In case compressor vibration is sent to a pipe di rectly, apply vibration a bsorber rubbers to welding points of the pipe and comp. or to a much bent point on the pipe. Start Separate the touching pipes, if any. [...]

71 Door switch is soaked with water or there is water in the sw itch ? PCB input is OK ? Start Change the door switch. N Y Repair any disconnecti on of wires and de f ective Door switch. Y Connector insertion to Main PCB is OK ? N Repair the defective connection. Y Door switch itself is OK ? N Change the switch. N Y Check it up. Door switch is push[...]

72 10-1. Summary of Heavy Repair * Installation should be conducted in accord a nce with the standard installation pr ocedure. (Le ave space of more than 5 cm from the wall for compressor compartment cooling fan mounted model.) Transportation and installation * Copper brush, Rag, Tool box * Remove flux from the silv er weld joints with soft brusher[...]

73 1) Nitrogen only should be us ed when cleaning inside of cycle pipes inside and sealing. 2) Check leakage with an electronic leak age tester. 3) Be sure to use a pipe cutter when cutting pipes. 4) Be careful not the water let in trude into the inside of the cycle. Others. 1) Weld under nitrogen atmosphere in order t o prevent oxidation inside a [...]

74 1) Remove residual refrigerant more than 5 minutes later aft er turning off the refrigerator. ( If no t, compressor oil may leak inside.) 2) Remove retained re frigerant slowly by cutting first high pressure side (drier part) with a nipper and then cut lo w pressure side. 1. Removal of residual refrigerant. Precautions Items 10-3. Practical Work[...]

75 * Pipe Connection Connect a red hose to the high pressure side and a b lue hose to the low pressure side. * Vacuum Sequence Open ① , ② valves and evacuate for 40 minutes. Close valve ① . 3.Vacuum degassing. Precautions Items * Charging sequence 1) Check the amount of refrigerant supplied to each model after completing vacuum degassing. 2) [...]

76 Precautions Items 4) Refrigerant Charging Charge refrigerant while operating a compr essor as shown above. 5) Pinch a charging pipe with a pinch- off plie r after completion of chargi ng. 6) Braze the end of a pinched char ging pip e with copper brazer and take a gas leakage test on the welded parts. 4.Refrigerant charging. Bombe Compressor Evap[...]

77 10-5. Brazing Reference Drawings. ▶ Welding Point ● ■ Copper Welding (Ag 5%) 7 Points 3 Points Silver Welding (Ag 35%) Hot Pipe F R Evaporator Condenser I-Pipe Accumulator Suction Pipe Dryer Capi-Tube Pipe Suc Conn Pipe Conn B Compressor ▶ Flow of Refrigeration Cycle Compressor Pipe Conn. B Wire-Con. Pipe Hot Pipe Dryer Capillary T ube E[...]

78 11-1. Installation Preparation 11. INSTALLATION GUIDE Check if t he refrigerat or can pass a doorway o r enter a doo r fir st. Dimensions( including Do or Handles) (Width*Depth*Hei ght) 903mm X 734.5mm X 1790mm Find a suitab le place to insta ll Sufficient space from refrigerator back to the ※ wall for free air ventilation ※ Avoid dir ect su[...]

79 11-2. If the r efrigerator can not enter the door Removing Free zer Door 1 ※ Remove front bottom cover first, if it is attached. Remove front bott om cover first, Pull out the left collar of the coupling fir st, then hold the coupling and pull out the left water tube . 2 Unscrew top hinge co ver w ith a screw driver. Remo ve the hinge co ver. [...]

80 Replacing Freezer Door 1 Insert the wate r tube into the hole Of the bottom hinge pin f irst, then Insert the bo ttom of f reezer door Into the bottom hinge pi n. 2 Insert the bo ttom hole of free zer door stra ight to the botto m hinge pin. 3 Let the top of door close to the cabinet and inser t th e t o p hin ge pin to the top hole of freezer d[...]

81 11-3. Refrigerator Leveling & Door Adjustment In case freezer door is lower than refriger ator door Insert a screw driver (flat tip) into a groov e of the left wheel (bot tom of freezer ) and turn it clockw ise until the door is ba lanced. (clockwise to raise freezer door ; counterclockwise to lower) ※ Refrigerator must be level in order t[...]

82 11-4. Water Line Insta llation 1.The wat er pr essure s h o uld b e 3 kgf /cm2 or more to ru n t h e automatic icemaker. ※ Checkup yo u r tap water pressure ; if a c up o f 1 8 0cc is full within 10 se conds, the pressur e is OK. 2.When installing the water tubes, ensure they are not close to Any hot su rface. 3.The water filter only “filt e[...]

83 3. Remove any substance from filter 1) Open the main tap w ater valve and che ck if water comes out of the Water Tube. 2) Check if the Wate r Valve is open in ca se water does not co me out. 3) Leave the valve open until c lean wate r is coming out. ※ Initial water may cont ain som e subst anc es out of filter (manufactur ing pro cess). 4. Att[...]

84 11-5. Dispenser Water Flow[...]

20IB 20DB 20EB 20FB 20GB 1 ASSY CAB URT 1111 1 2 3012924400 HINGE *T *R AS PO T3.0+PAINT 1111 1 3 3012924300 HINGE *T *L AS PO T3.0+PAINT 1111 1 4 3016042300 SPECIAL *T HI BOLT 6X13 SWCH18A 2222 2 5 7051401065 SCREW MACHINE PAN 4X10 SW BSNI 1111 1 6 3011446200 COVER *T HI *R PP 1111 1 7 3011446100 COVER *T HI *L PP 1111 1 8 7112401211 SCREW TAPPING[...]

20IB 20DB 20EB 20FB 20GB 29 3010340400 BASE COMP AS FRU-571I 1111 1 30 3016003300 SPEICAL BOLT T2 M6.5X20 4444 4 31 CORD POWER AS 1111 1 32 7112401211 SCREW TAPPING T1 TRS 4X12 MFZN 1111 1 33 7051401065 SCREW MACHINE PAN 4X10 SW BSNI 1111 1 34 CAPACITOR RUN Model dependent 1111 1 35 COMP Model dependent 1111 1 36 3016002500 SPECIAL WASHER SK-5, T0.[...]

20IB 20DB 20EB 20FB 20GB 60 3011492810 COVER DAMP AS FRU-571I 1 60-1 3014235200 PANEL CONTL *I AS 1 61 3012214100 FRAME CHECK VALVE AS FRU-571I 1111 1 62 3012024200 FIXTURE MOTR AS 1111 1 62-1 3015916000 MOTOR R FAN D4612AAA20 1111 1 63 3011495100 COVER DAMP AS FRU-541D - 111 1 63-1 3014807100 SENSOR R AS PBN-43B 1111 1 64 3012514500 GUIDE CASE A *[...]

20IB 20DB 20EB 20FB 20GB 76 3012514500 GUIDE CASE A *L AS ABS 1111 1 77 3012514600 GUDIE CASE A *R AS ABS 1111 1 96 3012529000 GUIDE DRN GA 1111 1 97 3017842700 SHELF F ICE AS NUDE GLASS 1 98 3011186300 CASE ICE PP 1 100 3015915900 MOTOR F FAN D4612AAA21 1111 1 101 3018921300 LOUVER F A ABS 1111 1 102 3011834500 FAN ABS OD3.17XD130 1111 1 103 30112[...]

20IB 20DB 20EB 20FB 20GB 134 3019026700 POCKET F *T HIPS 1111 1 3019027401 POCKET F AS FRU-541D - 333 3 3019026600 POCKET F FRU-571I 5 3000067600 ASSY F DR FRU-547E, SUS - 111 1 3000067610 ASSY F DR FRU-577I, SUS 1 136-1 3010964600 CAP ICE PATH FRAME HIPS - 111 1 136-2 3012318800 GASKET F DR AS PVC 1111 1 3000057940 ASSY F DR URT FRU-547F - 111 1 3[...]

20IB 20DB 20EB 20FB 20GB 137 3012027200 FIXTURE HNDL SUPORT *T HIPS 1111 1 138 3012018700 FIXTURE HNDL SUPORT *M HIPS 2222 2 139 3015311500 SUPPORTER HNDL *U ABS+SPRAY 1111 1 140 7002401011 SCREW MACHINE TRS 4X10 MFZN 4444 4 141 3016040100 SPECIAL SCREW HNDL M5X20 44444 142 3012645300 HANDLE BAR AS FRU-577/547 1111 1 143 3016040200 SPECIAL SCREW FR[...]

1. 1. Electric Device Specification Part Code Specification Part Code Specification Part Code HPL30YG-5 395S130R50 400VAC/ 5 ㎌ 3016401920 308NHB, S330 3018129810 MK183Q-L2U 3956183D50 350VAC/ 5 ㎌ 3016401170 265RHB, S330 3018129600 MK183C-L2U 3956183D10 250VAC/ 12 ㎌ 3016405000 445PHB, 4R7M 3018129610 MK4A5Q-R1U 3956145250 350VAC/ 5 ㎌ 3016401[...]