Daewoo FR-521NB Page 1 Service Manual Download

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S/M No. : FR521NT010

Service Manual

Refrigerator

Nov. 1999

DAEWOO ELECTRONICS CO., LTD

http : //svc.dwe.co.kr

Model :

FR-521NT/551NT
FR-521NB/551NB

Summary of Contents for FR-521NB

Page 1: ...S M No FR521NT010 Service Manual Refrigerator Nov 1999 DAEWOO ELECTRONICS CO LTD http svc dwe co kr Model FR 521NT 551NT FR 521NB 551NB ...

Page 2: ...electricity 2 You could handle a part in the vicinity of electricity after unplugging 3 You should put on rubber glovers to prevent an electric shock on operation test 4 Make sure the rated current voltage capacity before using an instrument 5 Keep your wet hands away from the metal goods in the freezer compartment not to be frostbitten 6 Be careful not to let water to permeate the electric part i...

Page 3: ... SIZE FR 521NT NB FR 551NT NB 19 757 750 20 590 114 24 702 24 1038 60 518 24 597 20 5 93 1088 5 1788 5 10 15 750 126 11 53 3 5 53 757 750 590 19 20 702 24 24 978 114 60 24 518 597 20 5 93 1028 5 1728 5 10 15 53 3 5 750 11 126 53 ...

Page 4: ...mperature Controller Freezer Compartment Refrigerator Compartment Lamp Fresh Case Shell Refrigerator Cover Vegetable Case Vegetable Front Grille Adjustable Foot Freezer Pocket Egg Pocket Egg Tray Bottle Pocket Multi Pocket Multi Pocket 16 1 2 3 4 5 15 7 8 9 10 11 12 13 14 EXTERNAL VIEWS ...

Page 5: ...M Fin Evaporator Forced DEFORST CONTROL Automatic Start Stop NET WEIGHT 71kg 72kg REFRIGEANT R12 VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 COMP MODEL X X X X SL28YE 5 PL23YH 4 SL28YE 5 SL28YE 5 PART CODE X X X X 3954128A50 3956123P40 3954128A50 3954128A50 STARING TYPE X X X X RSIR RSCR RSIR RSIR REFRIGEANT R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 ...

Page 6: ...19920 X 3018119920 PTC RESISTANCE X S220 X X S330 X S330 PART CODE X X X X X OVER LOAD PART CODE X 783NHB X X 197NHB X 197NHB REFRIGERANT R12 VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 PART CODE X X X X X X X X RATED VOLTAE X X X X X X X X RATED CAPACITANCE X X X X X X X X REFRIGERANT R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50...

Page 7: ...0 REVOLUTION 2200RPM REFRIGERANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 TYPE NAME DL 2213DWCB PART CODE 3015907300 REVOLUTION 2200RPM REFRIGERANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 SPEC W X 148W PART CODE X 3012805500 REFRIGERANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 ...

Page 8: ...RANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 RATED CURRENT X 250V 1 6A PART CODE X 5F3GB1682R REFRIGERANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 OPERATING TEMPERATURE X 77 PART CODE X 3017200500 REFRIGERANT R12 R134a VOLTAGE V HZ 100 50 60 110 60 115 120 60 127 60 220 50 220 60 230 50 240 50 PART CODE 3018...

Page 9: ...K 1 3011315000 CP 2PIN FOR EUROPEAN COUNTRY 2 401RA17200 CP 2PIN FOR OTHER COUNTRY 3 4006D17101 KP 30 FOR AMERICA ELSALVADOR 4 401PD17101 KP 211 FOR JAPAN TAIWAN 5 3011300801 BP 3PIN 6 3011303010 267 FOR CHILE 7 3011315310 FOR ISRAEL 8 3011303050 BS 1363A FOR U K MIDDLE ASIA SINGAPORE MALAYSIA 9 3011301200 KP551 550 FOR CHINA AUSTRALIA SPECIFICATIONS ...

Page 10: ...ght PCM PART CODE X 3010079100 X X X 3010079140 X X REFRIGERANT R12 R134a COLOR TYPE Dull lamina sheet High glossy Lamina sheet Normal PCM High glossy Bright PCM Dull lamina sheet High glossy Lamina sheet Normal PCM High glossy Bright PCM PART CODE X 3010079150 X X X 3010079160 X X REFRIGERANT R12 R134a COLOR TYPE Dull lamina sheet High glossy Lamina sheet Normal PCM High glossy Bright PCM Dull la...

Page 11: ...mpartment Temperature is regulation by moving the lever to the left and or the right Temperature has nothing to do with PCB control 2 Temperature Regulation of Freezer Compartment 1 TEMP Conrol Button 2 R Sensor 3 RT Sensor COMP F FAN 1 Temperature regulation by TEMP Control Button 1 2 3 In winter 2 R Fan is controlled by On Off point of each mode 3 On Off DIFF 1 0 Middle 1 OFF point 4 0 4 Step Di...

Page 12: ...hen Total time COMP On Off time is more than 60 hours under the condition that terms of 1 and or 2 are not satis fied 4 Defrosting Mode Defrosting Period 1 COMP 2 R FAN 3 HEATER 1 Defrosting Mode 1 Time 25minutes 2 COMP and R Fan are On and HTR is off 3 Pre cool turns off when R Sensor 2 5 1 Heater turns off when D Sensor 10 2 Limit time 80minutes 3 Heater continues to be On for 40 minutes of limi...

Page 13: ...n by RT Sensor Dissolution If RT Sensor is in normal state it is finished by itself 3 d1 Error Occurrence D Sensor disconnection short circuit Control by limit time 40min of Defrosting return Dissolution it D Sensor is in normal state it is finished by itself NO CONTROL FUNCTION INPUT CONTROL OBJECTS CONTENTS REMARK Error Code C LED CONTENTS Running State r1 2 of Left R S disconnedtion short circu...

Page 14: ...of defrosting is done by D Sensor 6 Forced Defrost ing 1 Defrosting Key Defrosting Mode A S Heater Forced Defrosting 1 Start The defrosting begins by pressing defrosting key 5 times It is impossible in the state of Energy Con sumption Forced Defrosting 2 Process 1 Let Heater On for 30 seconds 2 Delete Pre cool of normal defrosting mode HTR Defrosting Pause Fan Delay Normal Running 3 Heater turns O...

Page 15: ...2 Demonstration Function 1 Door Switch 2 TEMP Control Button Electric Devices 1 Start open and close Refrigerator Freshfood Compartment Door 5 times while pressing TEMP Control Button 2 Control 1 Electric devices turn Off except for R Fan 2 Fan Control 3 Dissolution 1 Open and close Refrigerator Freshfood Compartment Door 5 times while pressing REF SET Button in Demonstration mode 2 Supply the pow...

Page 16: ...OR BLUEx2 COMPRESSOR RED BROWN DR S W GRAY OR OR ORANGE GN YW YELLOW YELLOW BLACK BLACK BLACK BLACK L BLUE BLACK DEFROST HEATER WHITE GRAY WHITE YELLOW BLACK YELLOW OR WHITE BROWN WHITE WHITE PLUG COMP AC INPUT COMM D HTR TEMP FUSE GRAYx2 WHITEx2 BLUE BLUE GREE N GRE EN WHITE DIAGRAM ...

Page 17: ...16 DIAGRAM 2 CIRCUIT WIRING DIAGRAM ...

Page 18: ...17 DIAGRAM 3 AIR FLOW DIAGRAM ...

Page 19: ...18 4 REFRIGRANT CYCLE DIAGRAM C O M P R E S S O R W I C O N H O T P I P E D R Y E R C A P I L L A R Y T U B E E V A P O R A T O R A C C U M U L A T O R S U C P I P E DIAGRAM ...

Page 20: ...nge cover and Cabinet surface to remove the Cover Be careful not to break the hooks of Cover and not to damage the Cabinet surface Remove 4 bolts with 10mm wrench Disconnect Connector Housing Lift F Door a little to remove it Unfasten Hinge Pin with 6mm wrench Lift R Door up a little to remove it ...

Page 21: ...e of Handle to remove the Handle Decorator Pull out Handle Decorator from up to down Be careful not to damage the surface of Handle Once it is peeled or damaged corrosion may occur from metal parts beneath the handle Remove the 2 Handle screws See to it that the screws are fastened well when reassembling the handle ...

Page 22: ...ZER LOUVER Push smothly the locker of light bulb cover and Remove it Remove the screw cover on the top left using screw driver type Loosen wire tie on the left Remove the screw using driver type Remove the screw on the light bulb base ...

Page 23: ...AND ASSEMBLY Pull the housing by pressing the locker smoothly Remove the louver 4 REFRIGERTATOR CONTROL BOX Remove the light bulb cover by pushing the locker with screw driver Remove the screws on the light bulb base ...

Page 24: ...23 DIASSEMBLY AND ASSEMBLY 5 EXCHANGE OF TEMPERATURE FUSE Remove fuse fixing clip down left of evaporator Separate temperature fuse out of fixing clip Pull out temperature fuse connector of 2 wires ...

Page 25: ...Y AND ASSEMBLY 6 EVAPORATOR Place any sheet on freezer compartment floor to protect it Remove 2 screws left right of evaporator Cut black gum out Pull pipes about 50 mm forward Disconnect pipes by unsoldering them ...

Page 26: ...25 DIASSEMBLY AND ASSEMBLY 7 DEFROST HEATER Remove connector of gray wire on the top left Remove connector of white wire on the top right Remove defrosting sensor on the top right of evaporartor ...

Page 27: ...ppears Be careful not to damage suction pipe and capillary pipe Pull heater fixing rubbers forward Straighten with screw driver left 2 hooks of aluminum plate then right hooks are open of itself 8 CUBIC DUCT Insert screw driver into the gap to pull out Be careful not to break the hook ...

Page 28: ...ealing sponge stripes 10 FRONT CONTROL PANEL Place any sheet right of panel to protect surface of it Insert small screw driver into the gap to lift panel windows up Insert another driver into the gap and move it left loosen 2 hooks Pull window out smoothly Remove 2 screws Lift up panel to remove ...

Page 29: ...MPRESSOR Remove Machine room Cover screws Pull the cover up to remove Remove P Relay Band by pressing it up toward the Compressor Remove Relay Assembly from Compressor Cut out Service Pipe and tiny pipe of Dryer Remove Compressor Pipes using soldering torch Remove 4 Compressor Washers ...

Page 30: ...er Remove Wir condenser pipes using soldering torch Cut out Dryer fixing cable Turn the Drain Hose by 90degrees to remove Press the Housing Locker down to remove it Pull out Wire condenser Be careful not to damage pipes when pulling out the Condenser Press the Fan cover fixing hook using flat type driver ...

Page 31: ...30 DIASSEMBLY AND ASSEMBLY Remove the Bell mouth fixing screw Remove Bell mouth by pulling them aside Press the Motor Band down to remove it Lift the Motor up to remove ...

Page 32: ...0 89 88 87 92 91 86 85 84 83 82 75 72 74 73 70 71 69 68 67 66 15 45 44 46 34 31 29 28 59 79 78 77 76 62 65 64 63 61 60 2 58 57 56 3 4 27 26 53 50 51 52 54 55 40 47 48 49 35 36 37 39 38 41 42 43 32 33 80 1 6 25 24 16 20 23 22 21 19 17 18 NEW TANK 117 118 120 119 121 5 7 12 11 13 14 1 14 1 FRP 480 FR 551NT FRP 440 FR 521NT DOOR R ROOM F ROOM MECH ROOM ...

Page 33: ...4 3012905801 HINGE M AS PO T3 2 FRB 5460CT 1 14 1 3011424700 COVER M HI ABS 1 15 3016001220 SPECIAL BOLT M 6 20 SWCH22A WH 3 16 3012102900 FOOT F L AS 1 17 3012103000 FOOT F R AS 1 18 3016000700 SPECIAL SCREW M6 x 15 2 19 3012101500 FOOT ADJ AS FRB 5350NB 1 20 3012102500 FOOT ADJ L AS FRB 5350NB 1 21 3012906410 HINGE U AS FRB 5460CT 1 22 3016005300 SPECIAL WASR S10C T1 5 1 23 3016001230 SPECIAL BO...

Page 34: ...53 3016003300 SPECIAL BOLT T2 M6 5 x 20 4 54 3016500000 CASTER B PP FRB 5350NT 2 55 3014902900 SHAFT CASTER B SWRM 10 2 56 7112401211 SCREW TAPPING T1TRS 4 x 12 MFZN 1 57 3012007900 FIXTURE MOTR B P P 1 58 3015907200 MOTOR F BLDC 12V 1 59 3012007800 FIXTURE MOTR A P P 1 60 3011802200 FAN ABS OD110 1 61 3011200500 CLAMP FAN SUS 304 1 62 7112401611 SCREW TAPPING T1TRS 4 x 16 MFZN 2 63 3013334100 INS...

Page 35: ...0NT 1 3018902500 LOUVER R S L PP FRB 4760NT 1 89 3013331200 INSU R S R F PS FRB 4460NT 1 3013331000 INSU R S R F PS FRB 4760NT 1 90 3018906400 LOUVER R S R P P FRB 4460NT 1 3018902900 LOUVER R S R P P FRB 4760NT 1 91 3017802300 SHELF R T GPPS 1 92 3017805100 SHELF R U GPPS 1 93 3011439700 COVER V CASE GPPS 1 94 3011117700 CASE VEGETB GPPS 1 95 3011432800 COVER ROLL A HIPS 2 96 3014700500 ROLLER V ...

Page 36: ... DR AS PVC FRB 4870KT 1 112 ASSY R DR FRP 440 1 REFER TO 9 ASSY R DR FRP 440 1 REFER TO 9 113 3012610810 HANDLE R DR ABS CR 1 114 7002501611 SCREW MACHINE TRS 5 x 16 MFZN 2 115 3011603410 DECO R HNDL ABS 1 116 3014532600 PLATE TANK EBLM 1 117 7173301011 SCREW TAPPING TT2 BIN 3 x 12 MFZN 2 118 3014385160 PCB F AS N808RT 1 119 3014203210 PANEL F CONTROL ABS 1 120 7125301211 SCREW TAPPING T2S FLT 3 x...

Page 37: ... 16 PIPE SUC CONN 4 SCREW MACHINE 17 PIPE SUCTION AS 5 ABSORBER COMP 18 BAND RELAY 6 COMPRESSOR 19 SWITCH P RELAY AS 7 ABSORBER COMP AS 20 FIXTURE C FAN 8 WASHER SPECIAL 21 SCREW MACHINE 9 BASE COMP AS 22 MOTOR C AS 10 CASE VAPORI 23 C FAN 11 SCREW TAPPING 24 PIPE WICON AS 12 HOSE DRN AS 25 COVER C FAN 13 DRYER AS EXPLOD ED VIEW AND PARTS LIST ...

Page 38: ...ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr FAX 82 32 510 7624 TEL 82 32 510 7630 PRINTED DATE SEP 1999 ...

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