Daewoo RFS-26D1 Series Service Manual Download Page 61

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9-5. Brazing Reference Drawings.

▶

Welding Point

Copper Welding (Ag 5%)

7 Points

3 Points

Silver Welding (Ag 35%)

▶

Flow of Refrigeration Cycle

Compress

Pipe Co

nn. B

Hot. Pipe

W
ire con. Pipe

Dr
yer

Capil

lar

y T

ube

Evaporator

Accumulator

Pipe Suctio

n C

onn

Suction Pipe

High

Low

Summary of Contents for RFS-26D1 Series

Page 1: ...JULY 2010 S M No RFS701D001...

Page 2: ...l of Interior Lights 4 10 Demonstration 4 11 Compensation of R sensor ON OFF Temp 4 12 Control flow Time chart 4 13 Error Display 4 14 Summary of Function 4 15 Filter information Function to adjust th...

Page 3: ...Practical Work for Heavy Repair 9 4 Standard Regulations for Heavy Repair 9 5 Brazing Reference Drawing 10 INSTALLATION GUIDE 10 1 Installation Preparation 10 2 If the Refrigerator can not enter the...

Page 4: ...em 7 Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend pull out or twist the power cord 9 Please...

Page 5: ...4 2 EXTERNAL VIEWS 2 1 External Size...

Page 6: ...CKET DAIRY 11 CASE VEGETABLE 2 SHELF R SM 7 WATER ICE DISPENSER 12 CASE WIDE 3 REFRIGERATOR LAMP 8 POCKET SM 13 CASE F 4 SHELF R 9 POCKET GALLON 14 CASE F DRAW 5 WATER FILTER 10 POCKET UTILITY 15 FREE...

Page 7: ...6 Freezer Compartment Refrigerator Compartment 2 3 Cold Air Circulation...

Page 8: ...16 7 Li 7 65 ft3 Refrigerator 520 7Li 18 39ft3 External Dimension Width Depth Height 914mm 858 4mm 1773 2mm w o Handle Weight 145kg C O O L I N G Refrigerant R 134a Quantity 190g Evaporator Fin Type C...

Page 9: ...A 7W R Return Duct AS 7W W Tank AS 4W Hose AS 5W DV AS 8W Dispn AS 3W I Flap AS 2W E L E C T R I C A L P A R T S Fuse Temp Defrost AC250V 10A 77 Freezer Fan Motor D4612AAA29 DC13V 1850 150 rpm Refrige...

Page 10: ...TENTS REMARKS Front PCB button Freezer Set Fridge Set Qucik ice Light Filter Water Crushed ice Cube ice Alarm Lock FCP C LED FCP LED Control 88 Display Set Temp Initial mode Normal Freezer Refrigerato...

Page 11: ...If Light Filter is touched while the icon is ON the icon is OFF and Dispenser LED Lamp lights out 2 Filter reset if Light Filter is touched and hold for 3 sec From 6 months after power on filter icon...

Page 12: ...tatus temperature in the display switches between 2 Temperature is reset to when the power off and on 11 power save function All icons in the display lights off when neither button input nor door open...

Page 13: ...1 hour detect full Ice switch and when Five times of consecutive water supply failure to Ice Maker 3 Ice Make mode Enter it 120 minutes during Ice storage mode later that RT 15 under 4 R ice Fan are C...

Page 14: ...13 4 2 Control of ice maker room 4 OPERATION AND FUNCTIONS CONTENTS 6 Ice maker actuation algorism...

Page 15: ...omp C Fan ON F R ICE fan Damper Heater OFF 4 3 Defrost Mode 2 The defrost mode start with the following conditions 1 Total operation time of comp becomes 6 8 10 hours Any error mode R1 F1 u1 FD rD F3...

Page 16: ...art Comp operating time is over 20 hours Total time is over 60 hours End Defrosting start Comp operating time is over 2 hours Comp operating time is over 6 hours NO YES NO NO Any error YES YES YES NO...

Page 17: ...7 minutes Comp F R ICE C Fan Damper Heater etc OFF Fan Delay 1 Time 5 minutes Comp C Fan ON F R ICE Fan Damper Heater OFF Pause Fan Delay Heater Defrosting 2 How to start In Lock mode push Frideg Set...

Page 18: ...ontrol 4 8 Buzzer or Alarm Control 1 It is linked with comp when RT S is less than 59 2 It is On of HTR Defrosting Mode 3 It is On of Quick ice Mode INPUT CONTROL OBJECT CONTENTS REMARKS 1 RT Sensor W...

Page 19: ...on Comp F R ice Fan FD RD Heater 1 Control Refrigerator Compartment Lights R Lights turn ON OFF by R door switch ON OFF For 20 minutes after sensing door open the lights turn off automatically through...

Page 20: ...N OFF Temp of Refrigerator R42 R SENSOR standard resistance in normal mode 31 4 In case of weak ref 1 Cut J1 to increase the standard resistance by 2 3 down 2 Cut J1 J2 to increase the standard resist...

Page 21: ...Water Crushed ice Cube ice Dispenser Lamp Dispenser S V Valve Gear Motor Cube S V Water Dis S V 4 12 Control flow Time chart 1 Control flow time chart Crushed Ice Cube Ice Water Delay time A 0 5sec B...

Page 22: ...it is skipped if no error 2 How to stop 1 Touch Lock button 1 time 2 It stops automatically in 4 minutes from the start 3 All the error codes are reset if they turn to be normal 4 Error code INPUT CO...

Page 23: ...int Measure the resistance between both terminals after separating CN15 of the Main PCB If RD sensor is disconnected or shorted change the RD sensor on the evaporator How to reset If RD sensor is norm...

Page 24: ...point Refrigerant leakage 11 r3 error Cause in case defrosting return is done by time limit of 50 min Check point Measure the resistance between both terminals of the Fridge defrost heater Assembled w...

Page 25: ...Defrosting Freezer Set Fridge Set 5 times Reset water filter Light Filter for 3 seconds Demo function Quick ice Fridge Set Light Filter 5 times Pull Down Freezer Set Fridge Set Light Filter 5 times Er...

Page 26: ...ock button for 2sec step2 Press Quick ice button 5 times while pressing Freezer Set and Fridge Set button step3 Press Freezer Set button 8 times successively step4 Remaining time is display ex 40 12 m...

Page 27: ...Compartment 00 2 In case change of Freezer Compartment ON OFF temperature ON OFF temp up down button Freezer Set Quick ice Range of setting Value 00 30 00 30 Range of Temp Change 0 3 9 0 3 9 Temp Chan...

Page 28: ...27 5 WIRING DIAGRAM...

Page 29: ...ICE MAKER CASE VEGETABLE CASE WIDE R DR R SWITCH R DR L SWITCH R LAMP R SENSOR 28 6 COMPONENT LOCATE VIEW 6 1 Refrigerator Compartment FRONT CONTROL PANEL...

Page 30: ...29 6 2 Freezer Compartment F SENSOR F FAN F DR SWITCH F LAMP R TEMP FUSE EVAPORATOR R FAN R D SENSOR R DEFROST HEATER F DEFROST HEATER F D SENSOR F TEMP FUSE ICE TRAY F CASE F DRAW CASE...

Page 31: ...Compartment RELAY COVER DRYER C FAN MOTOR CONDENSER TRAY DRIP WATER VALVE COMPRESSOR POWER CORD 6 3 Automatic Ice Maker Compartment AUTOMATIC ICE MAKER GEARED MOTOR COLD AIR OUTLET SOLENOID VALVE ICE...

Page 32: ...over Guide Cab W Tube A Disconnect housing on the backside Pull forward Hose Ice Maker Tube As Disconnect Water Hose Heater s housing Check Hose Ice Maker Tube As 2 How to check Hose Ice Maker Tube As...

Page 33: ...Check Geared Motor Assembly SPEC CRITERION GOOD 2 6 7 2 3 7 DEFECTIVE Change the Geared Motor PARTS HOW TO CHECK GOOD 42 10 38 10 DEFECTIVE Change the Cube Sol Valve Check resistance value of 2 termi...

Page 34: ...ure 2 5 Separate 2 terminals from Sol Valve and Housings from Cover Ice Flap Unscrew 1ea to remove F PCB Panel 33 2 How to Check Sol Valve Flap Heater SPEC CRITERION Good 49 10 44 1 53 9 DEFECTIVE 0 C...

Page 35: ...lay Power Controller 2 To check normal voltage of each electrical devices to from MICOM Check input output voltage of MICOM and IC7 8 Fan Power Controller 3 To check input output voltage of Fan Electr...

Page 36: ...e wires 7 5 Ice Maker 1 Disassembling procedure 2 7 Remove Window R Lamp and 2 screws on top inner surface of R room Disassemble Housing 4ea 4 9 Remove 4 screw on side of Ice Maker top of Line And rem...

Page 37: ...check Criterion Ice Maker AS 2 How to check ice maker GOOD PLATE operated up and down 1 time by rotation of the CAM when pushing the button DEFECTIVE all situations except upper Ice Maker Switch PLAT...

Page 38: ...Front PCB Ass y Start Power input to Main PCB is ok Main PCB Fuse is disconnected Voltage DC12V 15 5V 5V on Main PCB is OK Wire connection of Front PCB is OK Check power connection from machine compa...

Page 39: ...on Eva and if refrigerant leak is found repair it N N Y Y Y N N Defrost heater 200W 66 Left Right side of Evaporator Left Right side of evaporator OLP PTC is OK Does Comp work Any error code on Front...

Page 40: ...and remove F Door AS 2 Assembling F Door procedure 1 Align end of rail both side with Supporter F Draw Rail 2 Fully push close F Door And check locking rail with lock of supporter Up to this time Fixt...

Page 41: ...ver Removing and replacing Freezer parts Strongly pull out Fan Blade and remove And separate Motor Remove Screws 2ea of F Louver A Separate Cover Fan Motor 3 Disassembling F Louver AS procedure Disass...

Page 42: ...AS procedure Remove screws 3ea of Fixture R Motor B Remove Housing R Fan AS Pull forward R Fan AS Separate R Fan AS 6 Disassembling EVA AS Accessory procedure R Defrost Heater Temp Fuse Screw of EVA...

Page 43: ...Y N N Make enough distance between heat appliances and refrigerator Y N 8 2 2 Ice Formation on F Louver Dews are formed on the gasket surface inside F compartment Gasket has a gap between cabinet Doo...

Page 44: ...flat tip screw driver Into a gap of door switch to pull forward Disconnect the housing and change the switch for a new one 8 2 3 Disconnection breaking of Freezer Lights Ass y Freezer Lamp Ass y Is b...

Page 45: ...eliminate the gap of gasket Y N Y N Change the R Sensor and check connector Y Y N N 8 3 1 Refrigeration failure Foods does not get cool or cold soon Any error mode on Front PCB R Fan works ok R Fan m...

Page 46: ...Remove Screws 1ea of clip and remove the clip Disconnect housing and water hose Remove Bolt 1ea of Hinge T and remove the Hinge T Pull up the door and remove the door 2 Disassembling Multi Duct proce...

Page 47: ...and replacing Refrigerator parts Separate Cover Multi Duct with Insulator Remove tape Separate Damper 2 Disassembling Multi Duct procedure Insulator C Separate Insulator D Separate Insulator C Sensor...

Page 48: ...3 2 Disconnection Breaking of Refrigerator Lights Wires Change of R Lights Pull out connector from R Lamp Ass y Change of R Door Switch Unscrew 5 points Pull out the connector and change the switch fo...

Page 49: ...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 N N Y 8 3 3 Dews on Refrigerator Compartment Dews are formed on the gasket inside R...

Page 50: ...arks Compressor sound is somewhat normal because it works like a heart to circulate the refrigerant in the pipes during the refrigerator operation Rattling or metallic touch sound of motor piston of c...

Page 51: ...the users or customers Remarks Water flowing sound hiss or sizzling sound can make while refrigerant in the pipes is changing from liquid to gas state when comp starts or stops It is normal to the re...

Page 52: ...is used to connect the capillary tube and evaporator 2 welding points 2 Shaking or trembling Sound of Evaporator 2 When such a sound is made attach a absorber on the tube including 2 welding points 1...

Page 53: ...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 cold air in the compartments...

Page 54: ...a much bent point on the pipe Start Separate the touching pipes if any N Y Apply cushion material between Comp base and Tray drip Y N Move or change the points of vibration absorber rubbers on the pi...

Page 55: ...and defective Door switch Y Connector insertion to Main PCB is OK Repair the defective connection Y Door switch itself is OK N Change the switch N Y Check it up Door switch is pushed well Y Attach a...

Page 56: ...ty Bombe mass cylinder refrigerant manifold gauge electronic scales punching off flier gas welding machine Weigh and control the bombe in a vacuum conditions with electronic scales and charge through...

Page 57: ...0 2 kg cm2 Nitrogen blowing welding 1 Be sure to replace dryer when repairing pipes and injecting refrigerant Replacement of dryer Removal of retained refrigerant 1 Use special parts and tools for R 1...

Page 58: ...he refrigerator If not compressor oil may leak inside 2 Remove retained refrigerant slowly by cutting first high pressure side dryer part with a nipper and then cut low pressure side When replacing a...

Page 59: ...nic scale Charge refrigerant into a bombe and measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe 4 Refrigerant charging KEYPO...

Page 60: ...each cycle 9 4 Standard Regulations for Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order to...

Page 61: ...s Welding Point Copper Welding Ag 5 7 Points 3 Points Silver Welding Ag 35 Flow of Refrigeration Cycle Compressor Pipe Conn B Hot Pipe Wire con Pipe Dryer Capillary Tube Evaporator Accumulator Pipe Su...

Page 62: ...61 9 6 Dispenser Water Flow...

Page 63: ...5 3012232500 FRAME W FILT AS RFS 701DTU 1 A15 A 3012226000 FRAME FILT WATER HIPS 1 A15 B 3013068600 HOLDER FILT WATER HIPS 1 A15 C 3011902300 FILTER HEAD MICRO RFS 701DTU 1 A15 D 3010984900 CAP W FILT...

Page 64: ...00600 M BELL AS RFS 702ETU 1 B11 A 3018500200 M BELL PP 1 B11 B 3011836300 FAN ABS OD150 1 B11 C 3015920000 MOTOR C FAN D4612AAA28 1 B11 D 3010107100 ABSORBER F MOTR NBR 2 B11 E 3012021700 FIXTURE MOT...

Page 65: ...C115 200W 3012823310 AC230V 200W C08 D 3014808900 SENSOR D AS PBN 43B 2 C08 E 4856813100 CABLE TIE DA 140 2 D19 3011442610 COVER F SENSOR ABS 1 D30 3015318400 SUPPORTER CASE F L AS RFS 702ETU 1 D31 30...

Page 66: ...I MAKER BOX EPDM T10XW10XL790 1 D05 G 3012032200 FIXTURE R SHELF SM ABS 1 D09 3011124800 CASE I CRUSHER AS RFS 701DTU 1 D10 3015316300 SUPPORTER SHELF L AS RFS 702ETU 1 D11 3012533000 GUIDE I BOX U HI...

Page 67: ...800 GASKET R DR L AS PVC S 1 3015403210 110 127V 3015404100 220 240V 50Hz 3015402110 220V 60Hz F04 3010571500 BOX DISPNS I SHUT AS RFS 702ETU 1 F05 3012232600 FRAME F PCB AS RFS 701DTU 1 F05 A 30143HG...

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