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S/M No: FRSU20IA01
Refrigerator
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
July . 2005
CONTENTS
1. WARNINGS AND PRECAUTIONS FOR SAFETY -------------------------------------------- 2
2. EXTERNAN VIEW
2-1. External Size ----------------------------------------------------------------------------------------- 3
2-2. Name of Each Parts --------------------------------------------------------------------------------- 6
3. SPECIFICATION --------------------------------------------------------------------------------------- 11
4. OPERATION AND FUNCTIONS ------------------------------------------------------------------- 14
5. CIRCUIT OPERATION
5-1. Power Circuit Diagram ----------------------------------------------------------------------------- 34
5-2. Function of Each Sensor -------------------------------------------------------------------------- 35
5-3. Relay Function --------------------------------------------------------------------------------------- 37
5-4. Fan Function ----------------------------------------------------------------------------------------- 39
6. DIAGRAM
6-1. Wiring Diagram --------------------------------------------------------------------------------------- 40
6-2. Circuit Diagram of Main PCB --------------------------------------------------------------------- 42
7. COMPONENT LOCATE VIEW --------------------------------------------------------------------- 46
8. HOW TO CHECK EACH PARTS
8-1. Hose Ice Maker Tube ------------------------------------------------------------------------------- 48
8-2. Bracket Geared Motor ------------------------------------------------------------------------------ 49
8-3. Dispenser Micro Switch ---------------------------------------------------------------------------- 50
8-4. Dispenser Solenoid Valve ------------------------------------------------------------------------- 51
8-5. Main PCB ---------------------------------------------------------------------------------------------- 52
8-6. Ice Maker ---------------------------------------------------------------------------------------------- 53
9. TROUBLE DIAGNOSIS
9-1. Power Failure ----------------------------------------------------------------------------------------- 56
9-2. Freezer Compartment ------------------------------------------------------------------------------ 57
9-3. Refrigerator Compartment ------------------------------------------------------------------------- 63
9-4. Operation Noise of Refrigerator ------------------------------------------------------------------ 67
9-5. Door ----------------------------------------------------------------------------------------------------- 74
10. COOLING CYCLE HEAVY REPAIR
10-1. Summary of Heavy Repair ----------------------------------------------------------------------- 75
10-2. Precaution during Heavy Repair --------------------------------------------------------------- 76
10-3. Practical Work for Heavy Repair --------------------------------------------------------------- 77
10-4. Standard Regulations for Heavy Repair ------------------------------------------------------ 79
10-5. Brazing Reference Drawing --------------------------------------------------------------------- 80
11. INSTALLATION GUIDE
11-1. Installation Preparation --------------------------------------------------------------------------- 81
11-2. If the Refrigerator can not enter the Door ---------------------------------------------------- 82
11-3. Refrigerator Leveling & Door Adjustment ---------------------------------------------------- 84
11-4. Water Line Installation ---------------------------------------------------------------------------- 85
11-5. Dispenser Water Flow ---------------------------------------------------------------------------- 87
12. EXPLODED VIEW & PARTS LIST
12-1. FRS(N)-U20IA -------------------------------------------------------------------------------------- 88
12-2. FRS(N)-U20DA ------------------------------------------------------------------------------------- 98
12-3. FRS(N)-U20EA ------------------------------------------------------------------------------------- 109
12-4. FRS(N)-U20FA ------------------------------------------------------------------------------------- 120
12-4. FRS(N)-U20GA ------------------------------------------------------------------------------------- 131
1
1. WARNINGS AND PRECAUTIONS FOR SAFETY
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.
2
2. EXTERNAL VIEWS
2-1. External Size
FRS(N)-U20IA
3
FRS(N)-U20DA / FRS(N)-U20EA
4
FRS(N)-U20FA / FRS(N)-U20GA
5
2-2. Name of Each Parts
FRS(N)-U20IA
1 6
2
7
3 8
9
4
10
5
11
12
Freezer Compartment Refrigerator Compartment
1. Freezer light 6. Dairy pocket
2. Freezer pocket 7. Refrigerator light
3. Ice tray 8. Chilled case
4. Freezer shelf 9. Refrigerator shelf
5. Freezer case 10. Movable Egg case
11. Refrigerator pocket
12. Refrigerator case
6
FRS(N)-U20DA
1 7
2
8
3 9
10
4
11
5
12
6
Freezer Compartment Refrigerator Compartment
1. Ice cubes storage case 7. Dairy pocket
2. Freezer light 8. Refrigerator light
3. Water/Ice dispenser 9. Refrigerator shelf
4. Freezer shelf 10. Movable egg case
5. Freezer pocket 11. Refrigerator pocket
6. Freezer case 12. Refrigerator case
7
FRS(N)-U20EA
1 7
2
8
3 9
10
4
11
12
5
13
6 14
Freezer Compartment Refrigerator Compartment
1. Ice cubes storage case 7. Dairy pocket
2. Freezer light 8. Refrigerator light
3. Water/Ice dispenser 9. Shelf wine (option)
4. Freezer shelf 10. Refrigerator shelf
5. Freezer pocket 11. Movable egg case
6. Freezer case 12. Refrigerator case
13. Refrigerator pocket
14. Magic cool zone
8
FRS(N)-U20FA
1 7
2
8
9
3
10
4
11
5 12
6 13
Freezer Compartment Refrigerator Compartment
1. Ice cubes storage case 7. Dairy pocket
2. Freezer light 8. Refrigerator light
3. Water/Ice dispenser 9. Refrigerator shelf
4. Freezer shelf 10. Homebar pocket
5. Freezer pocket 11. Movable egg case
6. Freezer case 12. Refrigerator pocket
13. Refrigerator case
9
FRS(N)-U20GA
1 7
2 8
9
3
10
4 11
12
13
5
14
6 15
Freezer Compartment Refrigerator Compartment
1. Ice cubes storage case 7. Dairy pocket
2. Freezer light 8. Refrigerator light
3. Water/Ice dispenser 9. Shelf wine (option)
4. Freezer shelf 10. Refrigerator shelf
5. Freezer pocket 11. Homebar pocket
6. Freezer case 12. Movable egg case
13. Refrigerator pocket
14. Refrigerator case
15. Magic cool zone
10
3. SPECIFICATION
3-1. Specification
Item Specification
FRS(N)- FRS(N)- FRS(N)- FRS(N)- FRS(N)-
Model Name
U20IA U20DA U20EA U20FA U20GA
Total 570 Li 541 Li 525 Li 541Li 536 Li
ISO Gross
Volume Freezer 209 Li 184 Li 178 Li 184 Li 184 Li
(Li)
Refrigerator 361 Li 357 Li 337 Li 357 Li 352 Li
Total 537 Li 504 Li 504 Li 504 Li 500 Li
ISO Storage
Volume Freezer 198 Li 170 Li 170 Li 170 Li 170 Li
(Li)
Refrigerator 339 Li 334 Li 334 Li 334 Li 330 Li
Weight 104kg 113kg 115kg 115kg 117kg
External Dimension
903 mm x 734.5mm x 1790 mm
(Width x Depth x Height)
Evaporator Fin Type
C
Y Condenser Fan Cooling System
C
L Dryer Molecular Sieve XH-9
E
Capillary Tube ID0.7