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Daewoo Frs 20 Service Manual

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    							Refrigerator
    S/M No: RNU20IB001
                                            
    4 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*
    FRN-U20FB*FRN-U20GB*FRS-U20FB*FRS-U20GB*
    FRU-577I~FRU-547D/E~FRU-547F/G~
     
    						
    							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 --------------------------------------------------9
    4. OPERATION AND FUNCTIONS --------------------------------------11
    5. CIRCUIT OPERATION
    5-1. Power Circuit Diagram --------------------------------------------31
    5-2. Function of Each Sensor ------------------------------------------32
    5-3. Relay Function --------------------------------------------------34
    5-4. Fan Function ---------------------------------------------------36
    6. DIAGRAM
    6-1. Wiring Diagram --------------------------------------------------37
    6-2. Circuit Diagram of Main PCB ---------------------------------------39
    7. COMPONENT LOCATE VIEW-----------------------------------------43
    8. HOW TO CHECK EACH PARTS
    8-1. Hose Ice Maker Tube ---------------------------------------------45
    8-2. Bracket Geared Motor ---------------------------------------------46
    8-3. Dispenser Micro Switch --------------------------------------------47
    8-4. Dispenser Solenoid Valve ------------------------------------------48
    8-5. Main PCB ------------------------------------------------------49
    8-6. Ice Maker ------------------------------------------------------51
    9. TROUBLE DIAGNOSIS
    9-1. Power Failure ----------------------------------------------------53
    9-2. Freezer Compartment ---------------------------------------------54
    9-3. Refrigerator Compartment ------------------------------------------60
    9-4. Operation Noise of Refrigerator --------------------------------------65
    9-5. Door -----------------------------------------------------------71
    10. COOLING CYCLE HEAVY REPAIR
    10-1. Summary of Heavy Repair ------------------------------------------72
    10-2. Precaution during Heavy Repair --------------------------------------73
    10-3. Practical Work for Heavy Repair --------------------------------------74
    10-4. Standard Regulations for Heavy Repair --------------------------------76
    10-5. Brazing Reference Drawing -----------------------------------------77
    11. INSTALLATION GUIDE
    11-1. Installation Preparation -------------------------------------------- 78
    11-2. If the Refrigerator can not enter the Door ------------------------------ 79
    11-3. Refrigerator Leveling & Door Adjustment -------------------------------80
    11-4. Water Line Installation --------------------------------------------- 82
    11-5. Dispenser Water Flow --------------------------------------------- 84
    12. EXPLODED VIEW & PARTS LIST 
    -------------------------------------85
     
    						
    							2
    Please observe the following safety precautions in order to use safely and correctly the refrigerator
    and to prevent accident and danger during repair.
    1. Be care of an electric shock. Disconnect power cord from wall outlet and wait for more than
    three minutes before replacing PCB parts.
    Shut off the power whenever replacing and repairing electric components.
    2. When connecting power cord, please wait for more than five minutes after power cord was
    disconnected from the wall outlet.
    3. Please check if the power plug is pressed down by the refrigerator against the wall.
    If the power plug was damaged, it may cause fire or electric shock.
    4. If the wall outlet is over loaded, it may cause fire.
    Please use its own individual electrical outlet for the refrigerator.
    5. Please make sure the outlet is properly earthed, particularly in wet or damp area.
    6. Use standard electrical components when replacing them.
    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 check the evidence of moisture intrusion in the electrical components.
    Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed.
    10. Do not touch the icemaker with hands or tools to confirm the operation of geared motor.
    11. Do not let the customers repair, disassemble and reconstruct the refrigerator for themselves.
    It may cause accident, electric shock, or fire.
    12. Do not store flammable materials such as ether, benzene, alcohol, chemicals, gas, or
    medicine in the refrigerator.
    13. Do not put flower vase, cup, cosmetics, chemicals, etc., or container with full of water
    on the top of the refrigerator.
    14. Do not put glass bottles with full of water into the freezer.
    The contents shall freeze and break the glass bottles.
    15. When you scrap the refrigerator, please disconnect the door gasket first and scrap it 
    where children are not accessible.
    1. WARNINGS AND PRECAUTIONS FOR SAFETY
     
    						
    							3
    2-1. External Size
    2. EXTERNAL VIEWS
    - FRS(N)-U20IB
     
    						
    							4
    - FRS(N)-U20DB / EB 
     
    						
    							6
    12. Refrigerator case 11. Refrigerator pocket
    10. Refrigerator shelf  5. Freezer case9. Movable Egg case 4. Freezer shelf8. Chilled case 3. Ice tray7. Refrigerator light 2. Freezer pocket6. Dairy pocket 1. Freezer light
    Refrigerator CompartmentFreezer Compartment
    1
    2
    4
    3
    5
    7
    8
    9
    10
    11
    12
    6
    2-2. Name of Each Parts
    - Basic Model
    - Wine Rack is option
     
    						
    							7
    12. Refrigerator pocket 6. Freezer case7. Dairy pocket 1. Ice cubes storage case
    13. Magic room (option) 11. Refrigerator shelf 5. Freezer pocket10. Movable Egg case 4. Freezer shelf9. Wine Rack 3. Water/Ice Dispenser8. Refrigerator light 2. Freezer light
    Refrigerator CompartmentFreezer Compartment
    1
    2
    4
    3
    6
    8
    9
    10
    12
    13
    7
    5
    - Full option Model
    11
    -Full option Model illustrated. 
    -Features are model dependent.
     
    						
    							8
    Freezer
    CompartmentRefrigerator
    Compartment
    2-3. Cold Air Circulation
     
    						
    							9
    3. SPECIFICATION
    3-1. Specification
    117kg 115kg 113kg 115kg330 Li 170 Li
    500 Li
    352 Li 184 Li 536 Li FRS(N)-
    U20GB
    334 Li 170 Li
    504 Li
    357 Li 184 Li541Li FRS(N)-
    U20FB
    334 Li 170 Li
    504 Li
    357 Li 184 Li 541 Li FRS(N)-
    U20DB
    C  
    Y  
    C   
    L   
    E
    IDΦ0.7 ×T0.55 ×L2200 Capillary TubeMolecular Sieve XH-9 DryerFan Cooling System CondenserFin Type Evaporator525 Li 570 Li Total
    ISO Gross
    Volume
    (Li)178 Li 209 Li Freezer
    337 Li 361 Li Refrigerator
    903 mm x 734.5mm x 1790 mm 104kg 339 Li 198 Li
    537 Li FRS(N)-
    U20IB
    External Dimension  
    (Width x Depth x Height)Weight334 Li Refrigerator170 Li Freezer504 Li Total
    ISO Storage
    Volume
    (Li)FRS(N)-
    U20EB Model NameSpecification Item
    ※( ) is the specification for the model which use R-600a(refrigerant)
    R-600a (76g) R-134a (190g) R-134a (190g) Refrigerant ( g )3956145250 3956183D50 395S130R50 Part CodeMK4A5Q-R1U
    3011402100 265RHB, S330 MK183Q-L2U HPL30YG-5 Description
    Compressor
    3018129810 308NHB, S330
    Part Code Description
    SWITCH  
    P RELAY AS
     
    						
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