Daewoo FR-520, FR-550NT Service Manual

S/M No. : FR520NT010

Service Manual

Refrigerator

Model: FR-520NT
FR-550NT

DAEWOO ELECTRONICS CO., LTD.

SAFETY AND PRECAUTIONS

1) For starters, be sure to check any chances of the leakage of electricity.

2) You could handle a part in the vicinity of electricity after unplugging.

3) You should put on rubber gloves 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 m etal goods in the freezer compartment not to be frostbitten.

6) Be careful not to let water to permeate the electric part in the machine room.

7) With the door open during your repair, you might be hurt by that door.

8) You should give a tilt to the refrigerator for your safe after removing the breakable goods inside the refrigerator.

9) You'd better use gloves if you fix it up around the evaporator.

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EXTERNAL VIEWS .......................................................................................................................... 2

1. FR-520N T ..... ........ .. ................ .. ....................... .. ................ .. ....................... ... ............................... 2

2. FR-550N T ..... ........ .. ................ .. ....................... .. ................ .. ....................... ... ............................... 3

SPECIFIC ATIONS ... ............ ......... ............ ............ ......... ............ ......... ........... ............ ......... .............. 4

1. OUTLINE ....................................... ... ...................... ... ............... ... ............... ... ............................... 4

2. ELECTRI C PAR T S ..................................... .. ................ .. ............... ... ....................... .. ......... .......... 5

3. POWER COR D ...... ...................................... ... ............... ... ...................... ... ............... ... ................ 9

4. DOOR COLOR ............................................................................................................................. 10

OPERATION AND FUNCTIONS ...................................................................................................... 11

DIAGRAM . ............... ............... ............ ............... ............ ............... ........... ............... .......................... 16

1. WIRNIG DIAGRAM ... .............................. ... ....................... .. ............... ... ............... ... ..................... 16

2. PARTICAL WIRING DIAGRAM .................................................................................................... 17

3. CIRCUIT DIAGRAM ..................................................................................................................... 18

4. AIR FLOW DIAGRAM .................................................................................................................. 19

5. REFRIGRANT CYCLE DIAGRAM ............................................................................................... 20

DISASSEMBLY AND ASSEMBLY .................................................................................................. 21

1. FREEZER LOUVER ..................................................................................................................... 21

2. CONTROL SWITCH IN REFRIGERATOR ROOM ...................................................................... 23

EXPLODED VIEW AND PARTS LIST ............................................................................................. 24

1. TOTAL EXPLODED VIEW ........................................................................................................... 24

2. TOTAL PARTS LIST .................................................................................................................... 25

3. MACHINE ROOM EXPLODED VIEW AND PARTS LIST ............................................................ 28

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EXTERNAL VIEWS

1. FR-520N T

1) EXTERNAL SIZE

2) NAME OF PARTS

Freezer Compartment Lamp

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Sshelf Ffreezer & Icr Tray



Case Ici n g



Tem perature Controller ( Freezer Compartment )

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Refrigerator Compartment Lamp




Tem perature Controller( Refrigerator Compartment )
Fresh Case



Shelf Refrigerator



Cover Vegetable



Case Vegetable



Front Grille



Adjustable Foot



Freezer Pocket





Egg Pocket



Egg Tray



Bottle Pocket



Multi Pocke t

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Multi Pocke t

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2. FR-550N T

1) EXTERNAL SIZE

EXTERNAL VIEWS

2) NAME OF PARTS

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Freezer Compartment Lamp



Sshelf Ffreezer & Icr Tray



C a s e Icin g
T em peratur e Controller ( Freezer Compartment )




Refrigerator Compartment Lamp



Tem perature Controller ( Refrigerator Compartm ent )



Fresh Case



Shelf Refrigerator



Cover Vegetable



C a s e Ve ge ta b le



Front Grille



Adjustable Foot



Freezer Pocket



Egg Pocket



Egg Tray



Bottle Pocket



M u lti Poc k e t



M u lti Poc k e t

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SPECIFICATIONS

1. OUTLINE

DIVISION CONTENTS CONTENTS

MO DEL N AM E FR-520NT FR-550NT
USABLE CAPACITY FREEZER

REFRIGERATOR
TOTAL

EXTER N A L D IME NS ION WIDTH 757mm 757mm

DEPTH 750mm 750mm
HEIGHT 1749mm 1809mm

REFRIGE R AN T R12 170g 170g

R134a 140g 140g

COOLING & CONTROL SYSTEM COOLING SYSTEM Fan Cooling System Fan Cooling System

DEFROST SYSTEM Fin Evaporator Forced Fin Evaporator Forced
DEFO RS T CO NTRO L Automatic Start & Stop Automatic Start & Stop

NE T W E IG H T 71K g 72Kg

122
318
440

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122
352
474

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

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SPECIFICATIONS

2. ELECTRIC PARTS

1) COMPRESSOR

REFRIGERANT 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 BL27YE-3 X X SL28YE-5 PL23YG-4 SL-28YE-5 SL28YE-5
PART CODE X
STARING TYPE X CSR X X RSIR RSCR RSIR RSIR

REFRIGERANT R134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
COMP MODEL X
PART CODE X
STARING TYPE X CSR X X RSCR X RSCR RSCR

39521 27A30

HBL2 5YG-3
3952 125R30 X X 3956 127R51 X 39561 27R51 3956127 R51

XX

XX

39541 28A50 39561 23G40 3954128A 50 3 954128A 50

HPL 27Y G 1-5

X

HPL2 7YG1-5 HPL27Y G 1-5

2) RELAY

REFRIGERANT R12

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
ASSY TYPE NAME X

PART CODE X

PTC RESISTANCE X S068 X X S220 S330 S220 S220

PART CODE X X X

OVER LOAD

PART NAME X 444THB X X 276THB 174THB 276THB 276THB

444THBZZ-52

3018 119300

XX
XX

REFRIGERANT R134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
ASSY TYPE NAME X

PART CODE X

PTC RESISTANCE X S220 X X S330 X S330 S330

PART CODE X X X X

OVER LOAD

PART NAME X 783NHB X X 265NHB X 265NHB 265NHB

783NH BZ Z-52

3018 119380

XX
XX

276THBYY-52 174THBYY-52 276THBYY-52 276THBYY-52

3018119350 301 8119200 3018119350 30 18119350

265NHBYY-52

3018119470

X
X

265NHBYY-52 265NHBYY-52

3018 119470 3018119470

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SPECIFICATIONS

3) STARTING CAPACITOR

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
RATED VOLTAE X200VXXXXXX
RATED CAPACITANCE X

401R D350 50

100

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REFRIGERANT R134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
PART CODE X
RATED VOLTAE X200VXXXXXX
RATED CAPACITANCE X

401R D350 50

100

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XXXXXX

XXXXXX

XXXXXX

XXXXXX

4) RUNN ING CAPAC ITOR

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
RATED VOLTAE X 230V X X X 350V X X
RATED CAPACITANCE X

400EL15130

10



XXX

XXX

400EL15110

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5

XX

XX

REFRIGERANT R134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
PART CODE X
RATED VOLTAE X 300V X X

RATED CAPACITANCE X

396180 04 00

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7

XX

XX

400EL15110

350V



5

X
X

X

400E L15110 4 00 EL15 110

350V 350V



5

5

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5) F-FAN MOTOR

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
TYPE NAME
PART CODE
REVOLUTION

S6111BDF01 S6111EDF 01

30159 00871 0 3 015 9 0 07 4 0

2200RPM 2200R PM

XX
XX
XX

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S6111WDF01

301590 0730 30159007 00 3015 900730 301590 0730

2200RPM 220 0RPM 2200RPM 2200R PM

IS-3211D W BFE-2

S6111WDF01 S6111WDF01

SPECIFICATIONS

6) C-FAN MOTOR

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
TYPE NAME X
PART CODE X
REVOLUTION X

S6111EEC02
301590 5030

2400R PM

XX
XX
XX

S6111WEC02 S6111UEC01 S6111WE C02 S6111WEC02

301590 5020 30 15900600 3015 905020 301590 5020

2400R PM 2400R PM 2400RP M 2400R PM

7) DEFROST HEATER

REFRIGERANT R12, 134a

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 148W 148W 148W 148W 148W 148W
PART CODE X

3012 8032 20 301 28032 20 3012 80322 0 3012 8046 00 301 28046 00 3012 80460 0 301280 460 0

8) LAMP ASSEMBLY

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
SPEC(W) X 15W X X 15W 15W 15W 15W
PART CODE X

3013 6000 10

XX

3013 6000 80 301 36000 80 3013 60008 0 3016 80008 0

9) PCB TRANSFORMER

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
TYPE NAME RT30 RT30 RT30 RT30 RT30 RT30 RT30 RT30
PART CODE

5EP K05777 0 5EP K0 57780 5 EPK 057 780 5EPK 05778 0 5EP K0577 90 5 EPK 048 004 5E P K05781 0 5EP K0 57790

10) MAIN PCB ASSEMBLY

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
TYPE NAME X RT30 RT30 RT30 RT30 RT30 RT30 RT30
PART CODE X

3014 38104 0 301 43810 40 3014 38104 0 3014 38102 0 301 43810 10 3014 38103 0 301438 102 0

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SPECIFICATIONS

11) DRYER

REFRIGERANT R12 R134a

SPEC (g) 10g 15g
PART CODE 3016801000 3016801010

12) FUSE (PCB)

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
RATED CURRENT X
PART CODE X

250V/1.6A

5F3G B1 682R

X
X

250V/1.6A 25 0V/1.6A 250V /1.6A 250 V/1.6A 25 0V/1.6A

5F3G B16 82R 5F 3G B1 682R 5F 3GB 168 2R 5F3G B16 82R 5F3 G B1 682R

13) TEM P ERATURE FUSE

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
OPERATING TEMPERATURE

PART CODE X

X



77

301720 0400

XX
XX

301720 0400 30 17200400 3017 200400 301720 0400

77



77



77



77



14) DOOR S/W

REFRIGERANT R12, 134a

VOLTAGE(V/HZ) 100/50, 60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
PART CODE X

301810 0010 30 18100010 3018 100010 301810 0010 30181 00010 3018 100010 301 8100010

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