Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo FR FR-521NT & 551NT FR-521NT & 551NT
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S/M No. : FR521NT010
Service Manual
Refrigerator
Model : FR-521NT/551NT
FR-521NB/551NB
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr Nov. 1999
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 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 in the machine room.
7) With the door open during your working, you might be damaged by that door.
8) You should give a title to the refrigerator for your safe after removing the breakable goods inside the refrigerator.
9) You'd better use cotton gloves if you fix it up around the evaporator.
TABLE OF CONTENTS
EXTERNAL VIEWS .......................................................................................................................... 2
1. EXTERNAL SIZE .......................................................................................................................... 2
2. NAME OF PARTS ........................................................................................................................ 3
SPECIFICATIONS ............................................................................................................................ 4
1. OUTLINE ...................................................................................................................................... 4
2. ELECTRIC PARTS ....................................................................................................................... 4
3. POWER CORD ............................................................................................................................ 8
4. DOOR COLOR ............................................................................................................................. 9
OPERATION AND FUNCTIONS .............................................................................................. 10
DIAGRAM ......................................................................................................................................... 15
1. WIRING DIAGRAM ...................................................................................................................... 15
2. CIRCUIT WIRING DIAGRAM ....................................................................................................... 16
3. AIR FLOW DIAGRAM .................................................................................................................. 17
4. REFRIGRANT CYCLE DIAGRAM ............................................................................................... 18
DISASSEMBLY AND ASSEMBLY .................................................................................................. 19
EXPLODED VIEW AND PARTS LIST .............................................................................................. 31
1. TOTAL EXPLODED VIEW ............................................................................................................ 31
2. TOTAL PARTS LIST ..................................................................................................................... 32
3. MACHINE ROOM EXPLODED VIEW AND PARTS LIST............................................................. 36
1
750
750
FR-551NT/NB
FR-521NT/NB
1. EXTERNAL SIZE
757 590
757 590
19 20
19 20
114 1038 60 518 24
114 978 60 518 24
24
24
702
EXTERNAL VIEWS
702
24
24
2
1788.5 20.5 1728. 5 20.5
93 1088.5 10 597 93 1028.5 10 597
15 15
126
126
11
11
53 53
750
750
3.5
3.5 53
53
EXTERNAL VIEWS
2. NAME OF PARTS
1 Freezer Compartment Lamp
2 Shell Freezer & Icr Tray
3 Case Icing
4 Temperature Controller
( Freezer Compartment )
5 Refrigerator Compartment Lamp
7 Fresh Case
8 Shell Refrigerator
9 Cover Vegetable
10 Case Vegetable
11 Front Grille
12 Adjustable Foot
13 Freezer Pocket
14 Egg Pocket
15 Egg Tray
16 Bottle Pocket
17 Multi Pocket
18 Multi Pocket
3
SPECIFICATIONS
1. OUTLINE
DIVISION CONTENTS
MODEL NAME FR-521NT FR-551NT
USABLE CAPACITY FREEZER 125 125
REFRIGERATOR 319 355
TOTAL 444 480
EXTERNAL DIMENSION WIDTH 757mm 757mm
DEPTH 750mm 750mm
HEIGHT 1749mm 1809mm
REFRIGENT R12 160g 160g
R134a 130g 130g
COOLING & CONTROL SYSTEM COOLING SYSTEM Fan Cooling System
DEFROST SYSTEM Fin Evaporator Forced
DEFORST CONTROL Automatic Start & Stop
NET WEIGHT 71kg 72kg
2. ELECTRIC PARTS
1) COMPRESSOR
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) 100/50,60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
COMP MODEL X HBL25YG-3 X X HPL26YH-5 X HPL26YH-5
PART CODE X 3952125R30 X X 3956126S50 X 3956126S50
STARING TYPE X CSR X X RSCR X RSCR
4
SPECIFICATIONS
2) RELAY
REFRIGEANT R12
VOLTAGE(V/HZ) 100/50,60 110/60 115,120/60 127/60 220/50 220/60 230/50 240/50
ASSY TYPENAME X X X X 276THBYY-52 181SHBYY-52 276THBYY-52
PART CODE X X X X 3018119940 3018116610 3018119940
PTC RESIANCE X X X X 33 22
PART CODE X X X X
OVER LOAD OVER LOAD 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
ASSY TYPE NAME X 783NHBZZ-52 X X 197NHBYY-52 X 197NHBYY-52
PART CODE X 3018119390 X X 3018119920 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
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 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
PART CODE X 3016400100 X X X X X X
RATED VOLTAE X 100V X X X X X X
RATED CAPACITANCE X 100 X X X X X X
4) RUNNING 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 X X X X 400EL15110 X X
RATED VOLTAE X X X X X 350V X X
RATED CAPACITANCE X X X X X 5 X X
5
SPECIFICATIONS
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 3816800400 X X 3016401900 X 3016401900
RATED VOLTAE X 300V X X 400V X 400V
RATED CAPACITANCE X 7 X X 4 X 4
5) F-FAN MOTER
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-2213DWFC
PART CODE 3015907200
REVOLUTION 2200RPM
6) C-FAN MOTER
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
7) DEFROST HEATER
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
8) LAMP ASSEMBLY
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 15W
PART CODE X 301360010 3013600080
COLOR
9) PCB TRANSFORMER
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 X FRB-5070NT
PART CODE X 5EPK057860 5EPK057004
6
SPECIFICATIONS
10) MAIN PCB ASSEMBLY
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 X N808RT
PART CODE X 3014385070 3014385060
11) DRYER
REFRIGERANT R12 R134a
SPEC (g) 10g 15g
PART CODE 3016801000 3016801010
12) FUSE (PCB)
REFRIGERANT 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
13) THERMO FUSE
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 C
PART CODE X 3017200500
14) DOOR S/W
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 3018100010
15) R-SENSER
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 301482300
7
SPECIFICATIONS
3. POWER CORD
NO SHAPE OF CODE PART CODE DESCRIPTION REMARK
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
Upper power cord's part code is only for lead wire, without any kinds of terminal or housing
8
SPECIFICATIONS
4. DOOR COLOR
1) ASSEMBLY URETHAN FREEZER DOOR
REFRIGERANT R12 R134a
Dull High-glossy High-glossy Dull High-glossy High-glossy
COLOR TYPE lamina sheet Lamina sheet Normal PCM Bright PCM lamina sheet Lamina sheet Normal PCM Bright PCM
PART CODE X 3010075150 X X X 3010075170 X X
2) ASSEMBLY URENTHAN REFRIGERATOR DOOR
FR-521NT
NON-KEY TYPE
REFRIGERANT R12 R134a
Dull High-glossy High-glossy Dull High-glossy High-glossy
COLOR TYPE lamina sheet Lamina sheet Normal PCM Bright PCM lamina sheet Lamina sheet Normal PCM Bright PCM
PART CODE X 3010079100 X X X 3010079140 X X
KEY TYPE
REFRIGERANT R12 R134a
Dull High-glossy High-glossy Dull High-glossy High-glossy
COLOR TYPE lamina sheet Lamina sheet Normal PCM Bright PCM lamina sheet Lamina sheet Normal PCM Bright PCM
PART CODE X 3010079150 X X X 3010079160 X X
FR-551NT
NON-KEY TYPE
REFRIGERANT R12 R134a
Dull High-glossy High-glossy Dull High-glossy High-glossy
COLOR TYPE lamina sheet Lamina sheet Normal PCM Bright PCM lamina sheet Lamina sheet Normal PCM Bright PCM
PART CODE X 3010079110 X X X 3010079130 X X
KEY TYPE
REFRIGERANT R12 R134a
Dull High-glossy High-glossy Dull High-glossy High-glossy
COLOR TYPE lamina sheet Lamina sheet Normal PCM Bright PCM lamina sheet Lamina sheet Normal PCM Bright PCM
PART CODE X 3010079170 X X X 3010079180 X X
9
OPERATION AND FUNCTIONS
CONTROL INPUT CONTROL
NO CONTENTS REMARK
FUNCTION OBJECTS
1 Display F-PCB Custom LED
Button :TEMP
CONTROL But-
ton
1. Normal State
Initial State ; Both compartments' Icons indicate Middle-mode
("1", and "2" are lit.)
2. TEMP CONTROL Button
Temperature Regulation of Freshfood Compartment
Middle-right Icons are lit by pressing the button.
(1) 2 3 In winter
3. Temperature Regulation of Freezer Compartment
Temperature is regulation by moving the lever to the left and / or the
right.
Temperature has nothing to do with PCB control.
2 Temperature 1. TEMP Conrol COMP F-FAN 1. Temperature regulation by TEMP Control Button.
Regulation of Button (1) 2 3 In winter
Freezer 2. R-Sensor
Compartment 3. RT-Sensor Reference
- ON/OFF Diff :
2. R-Fan is controlled by On/Off-point of each mode. Fixed at
Micom
3. On/Off DIFF : 1.0 - STEP Diff :
( Middle ("1") OFF-point : 4.0 ) Fixed at
Micom
4. Step Difference of Fresh Food Compartment.
Comp and
*1 2 : 1.0 C-fan are
*2 3 :1.0 Coworking
*3 IN WINTER : 1.0
10
OPERATION AND FUNCTIONS
CONTROL INPUT CONTROL
NO CONTENTS REMARK
FUNCTION OBJECTS
3 Defrosting 1. Total Run-time Defrosting 1. What to be considered in determing Defrosting Period
Period of COMP Mode 1) Total Run-time of COMP : 6, 8, 10, 12, 14 hours
2. Running-rate of 2) Running-rate of COMP (each 2hours' running-rate) :
COMP more than 80%
3. Total time of 3) Total time of Door openings : 10 minutes
Door openings 4) Total Time (COMP-On + COMP Off ) : 60 hours
4. RT- 5) Ambient Temperature : more than 35
Temperature 6) In each Error : R1, F1, D1, F3, RT-S, Door-SW Error
2. Terms to start Defrosting Period
1) The Defrosting starts with the following conditions, in
case total COMP-run time passes 6, 8, 10 or 12hours
- when an Error occurs
- when running-rate of COMP is more than 80%
- when total Door-opening time is more than 10minutes
- when the ambient temperature is more than 35
2) Defrosting starts unconditionally when total COMP-
run time passes 14 hours, under the condition taht
terms of 1) are not satisfied.
3) Defrosting starts immediately when 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 Defrosting Period 1. COMP 1.Defrosting Mode C-Fan and
Mode 2. R-FAN COMP are co-
3. HEATER 1) Time : 25minutes working.
Pre-Cool 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
Heater 2) Limit time : 80minutes
Defrosting 3) Heater continues to be On for 40 minutes of limit time
when D-Sensor is in Error
4) Limit time
30seconds : Heater continues to be On after
Defrosting regardless of D-Sensor temperature.
40minutes : in case of D1-Error
80minutes : in normal control state
1) Time : 4minutes
Pause 2) COMP and R-Fan are Off.
1) Time : 5minutes
Fan Delay 2) Only COMP is On, While R-Fan is Off.
2. Output Control and Limit Time of each Defrosting Mode
Pre-Cool Heater Defrosting Pause Fan Delay
COMP ON OFF OFF ON
F-FAN ON OFF OFF OFF
R-FAN CONTROL OFF OFF OFF
HETER OFF ON OFF OFF
Limit Time 50MINUTES (1) 80 MINUTES 4MINUTES 5MINUTES
(2) 40 MINUTES
in case of D-Sensor Error
11
OPERATION AND FUNCTIONS
CONTROL INPUT CONTROL
NO CONTENTS REMARK
FUNCTION OBJECTS
5 Error Display 1. TEMP CUSTOM-LED 1.How to start ; open and close refrigerator door 3 times while pressing
(Displayed on Control Button REF.SET Button and it starts after 3 seconds.
C-LED of F- 2. Refrigerorator 2. Display
PCB) (Freshfood - If any error, characters(Bar-LED) of C-LED are lit.
Compartent) - In Error Display Mode, the Buzzer beeps in short interval-every
Door 0.1 second at 5 seconds' cycle.
3. How to finish : doing above 1 again.
4. It ends by itself 4minutes after start.
5. All the Error Code is reset by itself when it returns to normal state.
6. Error Code
Error Code C-LED CONTENTS Running State
r1 "2" of Left R-S Running by 20min.'s
disconnedtion/short- period according to
circuit RT
d1 "in win- D-S Heater is On for
ter"of Left disconnection/short- 40min. during
circuit Defrosing.
rt "3" of Left RT-S Deletion by RT-Sen-
disconnection/short- sor
circuit
door "1" of Defective Door S/ Deletion of sensing
Right. W(when S/W senses Door-S/W
that door opened
more than 1 hours)
C1 "2" of Ref. Abnormal Normal Running
Cycle(COMP runs
more than 3 hours at
D-3 -5
F3 "3" of Right. In case of Heater Normal Running
Defrosting, when it (Deletion of Pre-cool
returns to Mode in Defrosting
Time(80min.), not D- Mode)
Sensor
7. Error Control
1) r1 Error
Occurrence : in case of R-Sensor disconnection / short-circuit.
Control it in accordance as ambient temperature.
RT/S In Error ~13 14~19 20~29 29
Running-rate 16/24 6/34 14/26 16/24 20/20
(ON/OFF)
Dissolution : if R-Sensor is in normal state, it is finished by itself.
2) rt Error
Occurence : RT-Sensor disconnection/short-circuit
Control : deletion of control-condition 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.
12
OPERATION AND FUNCTIONS
CONTROL INPUT CONTROL
NO CONTENTS REMARK
FUNCTION OBJECTS
4) Door Error
Occurrence : when door-opening is sensed for
more than 1 hours
Control : deletion of Door SW sensing function
Dissolution : it Door SW open-close is sensed, it ends by itself.
Display dissolution : after Custom LED Display Mode
(Door SW should be in normal state if Error Display Mode is to
start.)
5) C1 Error
Occurrence : when COMP runs continuously for more than 3 hours
while D-Sensor is above -5
Control : normal running
Dissolution : when D-Sensor temperature is below -5 while
Comp is Off
5) F3 Error
Occurrence : by limit time of 80min. at defrosing ruturn
Control : deletion of Pre-cool mode at defrosting mode
Dissolution : the end of defrosting is done by D-Sensor
6 Forced Defrost- 1. Defrosting Key Defrosting * A/S(Heater)Forced Defrosting
ing Mode 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 Off when D-Sensor temperature is more
than 10 , 30seconds after Heater On.
7 Time Delay of 1. Door Switch R-FAN 1. F-Fan Time Delay in COMP On/Off
Electric Devices 2. COMP On/Off Fan turs On/Off 1 minute after COMP On/Off
COMP
FFAN
2. F-Fan/R-Fan Time Delay by Door Switch
Line check on : After 2 hours of initial run, the function of easy
door-opening starts.
13
OPERATION AND FUNCTIONS
CONTROL INPUT CONTROL
NO CONTENTS REMARK
FUNCTION OBJECTS
8 Initial 1. D-Sensor Defrosting 1. Defrosting mode starts when D-Sensor 3.5 at initial power supply. COMP delay for
Defrosting 2. Initial Power Mode ( It starts from Pre-cool ) 6min at initial
Supply defrosting
9 Explanation 1. TEMP Control Electric Devices 1. Start : Press both buttons for 3 seconds after initial power supply
after Delivery Button ( plug-in ).
2. Power Cord
2. Electric devices turn Off for 3 hours.
3. Display works in normal way.
10 Prevention of COMP 1. COMP does not restart after COMP Off, though F-Sensor turn On. 6 min.delay
COMP Restart
11 Buzzer Alarm 1. Button on F- Buzzer 1. Buzzer rings by perssing F-PCB Buttons.
PCB 2. Buzzer rings for 1 second after initial power
2. Door Switch suppluy(plug-in)
3. Buzzer rings for 1 second at the start of A/S Forced
Defrosting.
4. Buzzer rings every 1 minute after door opening.
( It rings within 5 minutes and ring-time is prolonged as
time passes)
5. Buzzer makes short ring every 5 seconds in Error
Display.
12 Demonstration 1. Door Switch Electric Devices 1. Start : open and close Refrigerator [ Freshfood 6 minutes delay
Function 2. TEMP Control Compartment ] Door 5 times while pressing TEMP
Button Control Button.
2. Control
1) Electric devices turn Off except for R-Fan.
2) Fan Control
Door Open Door Close
R-FAN ON OFF
3. Dissolution :
1) Open and close Refrigerator [ Freshfood
Compartment ] Door 5 times while pressing REF.SET
Button in Demonstration mode.
2) Supply the power again ( plug-out and plug-in )
13 Control of R- 1. Slide Control Resis- 1. In case of Weak-refrigeration ( though R-Fan and Comp
Sensor Off- SW(SW1) on tance of R-Sen- work on and on ), the following actions are to be done.
Point M-PCB sor "2" Off-Point 2. Resistance R13 : Control Resistance of R-Sensor
Middle ("2") Off-point ( 4.0 , 31.4 )
3. Resistance R14 : reduceing R-Sensor Resistance by
1.5 in case of weak-Refrigeration ( 2.5 , 2.15 )
4. SW1 : during A/S, if SW1 is opened, R-Sensor Middle Off-
point decreases by 1.5 .
5. Switch Status and R-Sensor Middle Off-point
Switch Status R-Sensor Middle Off-Point
Normal/Using Jig 4.0
In Weak-refrigeration 2.5
14
YELLOW
RED
F-MOTOR
BLUE
1. WIRING DIAGRAM
WHITE
RED WHITE WHITE
DIAGRAM
C-MOTOR
GREEN
BROWN
DR-S/W
OR
RED
D-HTR
YELLOW
GRAYx2 COMP
R-HTR
WHITEx2 WHITE
R1-SENSOR AC INPUT GRAY
BLACK BLACK YELLOW
COMM
BLUEx2
D-SENSOR BROWN
WHITE
15
YELLOW OR
ORANGE
PLUG
DEFROST
HEATER
GN/YW
8 PIN
BLUE
BLUE
GRE EN
WHITE
GREE N
GRAY
L/BLUE
OR
TEMP BLACK
FUSE
BLACK
BLACK
COMPRESSOR
BLACK
DIAGRAM
2. CIRCUIT WIRING DIAGRAM
16
DIAGRAM
3.AIR FLOW DIAGRAM
17
DIAGRAM
4. REFRIGRANT CYCLE DIAGRAM
C
A A
C P E
H V C
O I C S
O W A
M D L U U
T I P
P R L M C
- O
R P C Y A U
R P
E I O E R L
A I
S P N R Y A
T P
S E T
T O E
O O
R U R
R
B
E
18
DIASSEMBLY AND ASSEMBLY
1) FREEZER & REFRIGEATOR DOORS
Insert flat type (-) screw driver between Hinge
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.
19
DIASSEMBLY AND ASSEMBLY
2) DOOR HANDLES
Insert rectangular bent tool whose diameter is less
than 4mm into the hole 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.
20
DIASSEMBLY AND ASSEMBLY
3) FREEZER 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.
21
DIASSEMBLY 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.
22
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.
23
DIASSEMBLY 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.
24
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.
25
DIASSEMBLY AND ASSEMBLY
Pull evaporator forward slowly until defrosting
heater appears.
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
26
DIASSEMBLY AND ASSEMBLY
9) SIDE LOUVER
Pull louver forward slowly.
Be careful not to damage sealing 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.
27
DIASSEMBLY AND ASSEMBLY
Remove connector.
Remove screws on the back of panel.
11) COMPRESSOR
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.
28
DIASSEMBLY AND ASSEMBLY
12) WIRE-CONDENSOR & C-FAN
Remove the 2 Case screws using cross type
screw driver
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.
29
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.
30
EXPLODED VIEW AND PARTS LIST
1. TOTAL EXPLODED VIEW
56
FRP-440(FR-521NT) F ROOM 57
13
12
11
6
58
FRP-480(FR-551NT) 59
7
60
61
5
62 1
63
64
65 4
66
3
2
67
68
69
DOOR 70
71
76
72
121
116 73 77
26
74 14
120 78
NE 75 27
W 119
TA
NK
79
28
118
80
117 15 29
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