SAMSUNG RS20NCSL, RS20NCSW, RS20NESL, RS20NESW Service Manual

RS20NCSL RS20NCSW RS20NESL RS20NESW

Model:

SIDE-BY-SIDE REFRIGERATOR

SAMSUNG Home Appliance Service

For the latest parts information, please access to our service web site (http://www.e4buyer.com/refrigerator)

IMPORTANT SAFETY NOTICE

The service guide is for service men with adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or dealer cannot be responsible for the interpretation of this information.

SAMSUNG ELECTRONICS

Technical Service Guide

WARNING

Contents

1. SAFETY WARNINGS 4

2. INSTRUCTION

3. INSTALLATION

4. NOMENCLATURE

5. SPECIFICATIONS

6. INTERIOR VIEWS AND DIMENSIONS

7. FREEZING CYCLE AND COOL AIR CIRCULATION ROUTE

8. MECHANICAL DISASSEMBLY

9. FUNCTIONS AND OPERATION

10.

CIRCUIT DESCRIPTION

11. DIAGNOSIS AND TROUBLESHOOTING

12. ILLUSTRATED PARTS CATALOGUE

APPENDIX ⅠⅠ(CIRCUIT DIAGRAM) 57

1. SAFETY WARNINGS

●

Pull the power plug out already for the change or repair of electric parts.

→

Be careful the electric shock.

●

When exchanging the parts, use the correct parts.

→

Check the model name, rating voltage, rating current, running temperature symbols.

●

When troubleshooting, connect firmly the types of harness.

→

Make not to be separated when some power is imposed.

●

Check the traces of water infiltration at the electric parts.

→

If there is a trace of water infiltration, exchange or tape the parts.

●

Check the assemble status of parts after troubleshooting.

→

It should be done indiscriminately as before the repair.

●

Check the use circumstance of refrigerator.

→

If the refrigerator is installed at the place that is damp or wet, or

status of installation is unstable, change the installation place.

●

Do earth in case of need.

→

Particularly, Be sure to earth when there is a risk of an electric leakage by humidity or wetness.

●

Do not use multi plugs in a plug socket at the same time.

Check the power cord and socket is damaged, pressed, squeezed, or

fired.

→

If the plug or plug socket is damaged, repair or exchange that immediately.

●

Do not store the foods unstable or bottles in the freezing room.

●

Do not repair the refrigerator by user himself.

●

Do not store another materials except the foods.

→

Drugs or scientific materials : difficult to keep a precise temperature.

→

The inflammables(alcohol, benzene, ether, LP gas, butane gas etc.): have a risk of explosion.

1. SAFETY WARNINGS

CAUTION / WARNING SYMBOLS DISPLAYED

SYMBOLS

Indicates that a danger of death or serious injury exists.

Indicates that a risk of personal injury or material damage exists.

means “Prohibition”.

means “Do not disassemble”.

means “No contact”. means ”The things to

be followed”.

means “Earth to prevent Electric shock”.

means “Power cord should be unplugged from the consent”

Warning

Caution

Use the rated components on the replacement.

●

Check the correct model, rated voltage, rated current, operating temperature and so on.

Pull the power plug out to exchange the interior lamp of the refrigerator.

●

It may cause electric shock.

On repair, make sure that the wires such as harness are bundled tightly.

●

Bundle tightly wires in order not to be detached by the external force and then not to be wetted.

Check if there is any trace indicating the permeation of water.

●

If there is that kind of trace, change the related components or do the necessary treatment such as taping using the insulating tape.

After repair, check the assembled state of components.

●

It must be in the same assembled state when compared with the state before disassembly.

On repair, remove completely dust or other things of housing parts, harness parts, and check parts.

●

Cleaning may prevent the possible

fire by tracking or short.

2. INSTRUCTION

A newly developed SAMSUNG side by side refrigerator has the following

characteristics.

1) Multi-Flow System

Cool air circulates through multiple vents on each shelf level. This provides even

distribution of cooling inside of freezer/refrigerator and keeps food fresher for longer.

2) High humidity for fresher food

You can keep food, fruit and vegetables fresh for longer because your refrigerator

supplies highly humidified cold air.

3) Door Alarm

When the refrigerator door is left open for more than two minutes, a musical alarm is

automatically triggered. This feature helps you save electricity and preserve stored foods.

3. INSTALLATION

1) T o protect refrigerator in movement

Use padded hand truck as shown. If entrance width is less than 30 , remove doors prior to installation and reattach doors according to procedure below.

2) Remove all protective tape and pad in refrigerators.

Please adjust the clearance between the doors.

3) Set the temperature control to the temperature and wait for an hour.

The refrigerator should get slightly chilled and the motor runs smoothly .

4) Once the refrigerator temperature is sufficiently cool

You can store food in the refrigerator. After starting the refrigerator, it takes a few hours to reach the appropriate temperature.

Disassemble the refrigerator

1) With the door closed, disassemble screw( ) by using (+) screw driver and then disassemble the upper hinge cover( ).

2) Disassemble bolts ( ) and screws ( ) to the

counter-clockwise by using a tool, and take off the upper hinge ( ) along the arrow ( ). Take care when you disassemble the door to ensure that it does not fall on you.

3) Disassemble the door from the lower hinge ( ) by lifting the door ( ).

4) Disassemble the lower hinge ( ) from the bracket lower hinge ( ) by lifting the lower hinge ( ) in the direction of the arrow.

Assemble the refrigerator

1) Insert the lower hinge ( ) in the bracket lower hinge ( ).

2) Assemble the door ( ) in the lower hinge ( ).

3) Insert the upper hinge shaft ( ) into the hole ( ). After

leveling between the upper hinge hole ( ) and the hole of the refrigerator ( ), assemble bolts ( ) and screws ( ) to the clockwise by using a tool.

4) Put the front part of the upper hinge cover ( ) on the front part of the upper hinge ( ) and assemble, starting with the front part of the upper hinge cover. Assemble the screw to the clock wise by using a tool.

3) 4)

2) 1) 2)

R S 20 N C SW

Product ; R - Refrigerator

Capacity ; Cu. ft

Door Type S - Side By Side

Handle Type C ; Sky Bar Handle E ; Deluxe Bar Handle

Option N : Nothing

Color SW : Snow White SL : Stainless Looking

4. NOMENCLATURE

Label Location

5-1. Model Specification

5. SPECIFICATIONS

RS20N

***

496 l (17.5 cu.ft)

188 l (6.6 cu.ft)

308 l (10.9 cu.ft)

850mm×724mm×1722mm

394

Frost free

HFC - 134a

190gr

106kg

Outer dimensions(width x depth x height)

Rated frequency Hz

Rated voltage V

Rated consumption of Comp. W

Rated consumption of Electric heater W

Refrigerator type

Refrigerant

Refrigerant quantity

Freezing Capacity

Products weight

Items

Specification

Volume

capacity

Total Volume

Freezer Volume

Refrigerator Volume

Model Name

110 115

140

60 127 125

50 220 120

50/60

220 140

50 230 125

5-2. Electric Parts Specification

Thermistor

(R-sensor)

502A T

Condensing method

Drying agent

Capillary tube

Refrigerant

Model Name

Performance of freezer

RS20N

***

R.S.C.R

FREOL α- 15 (ESTER)

SPLIT FIN TYPE

Force and natural convection method

MOLECULAR SIEVE XH-9

0.82×3200, 5.5 kg/cm

HFC-134a

ON(℃) OFF(℃)

-24.0 -26.0

-19.0 -21.0

-15.0 -17.0

ON(℃) OFF(℃)

2.0 0.0

4.0 2.0

7.0 5.0 4 hours ± 10 mins

6~11 hours(Variable according to the use conditions)defrost

7 ± 2 minutes

THERMISTOR (PX41C)

5.0

㏀

at 25

AC 250V 10A

-5

℃

Items Specification

Freezing parts

Inner Temperature detection parts

Freezer

Types Freezer temp.

Colder

Normal

Cold

Thermistor

(F-sensor)

502A T

Types

Refrigerator temp.

Colder

Normal

Cold

Refrigerator

Defrostperiod

Defrost

sensor

F-defrost

sensor

Temperature fuse

Period of initial defrost (F defrost)

Defrost period of freezer

Pause

Types

Spec

Rating

Operation temp.

Parts related defrost

Compressor

Cooler

Type

Operation type

Sealing oils

Freezer

110V/60Hz

MK183CL2U/EH1

127V/60Hz

MK183PL2U/EO1

220V/50Hz

DK190KT2U/EO1

220V/50,60Hz SK190HL2U/E01

230V/50Hz

MK183QL2U/EO1

Electricparts

Items

F-room defrost heater

Condenser for

Comp.(monolithic)

Running

Start Type

Action

Type

ON temperature

OFF temperature

Start relay

Overload relay

L.V.T(LOW VOLTAGE TRANSFORMER)

F room cooling fan motor

Comp. Cooling fan motor

Freezer interior light

Refrigerator interior light

Door switch Supply cord

Grounding screw

R-room cover damper

R room electrically driven damper

F room heater sub

F room heater glass

Conducting at F defrosting Conducting at F defrosting Conducting at F defrosting

200W

60W

130W

3W 1W

Specification

Initial resistance: 68Ω±20% (Ambient temperature : 25℃)

130 ± 5℃

69 ± 9℃

DC 12V DREP3030LA 0.3A

DC 12V DRCP3030LA 0.24A

AC 250V 0.5A

2EA

TO BE FOLLOWED LOCAL STANDARD

BSBN (Bronze screw)×4EA

250VAC,12㎌

J531Q32E4R7M1802

250VAC,12㎌

J531Q32E4R7M1802

350VAC,5㎌

J531Q34E220M3502

350VAC,5㎌

J531Q34E220M3502

350VAC,5㎌

J531Q35E330M3852

4TM437RHBYY-53

4TM317SHBYY-53

4TM265RHBYY-53

110 115V/60Hz

127V/60Hz

220V/50Hz

230

240V/50Hz

30W (110 127V) 30W (110 127V)

25W (220 230V) 25W (220 230V)

6. INTERIOR VIEWS AND DIMENSIONS

6-1. The Name of Each Part

Freezer

①

Interior light

②

Ice tray

③

Shelf

④

Food Guard

⑤

Drawer

⑥

Leg cover

Refrigerator

⑦

Dairy compartment

⑧

Interior light

⑨

Shelf

⑩

Egg tray

⑪

Fresh container(option)

⑫

Food Guard

⑬

Vegetable and fruit drawer

6-2. Dimensions of Unit

77.. FFRREEEEZZIINNGG CCYYCCLLEE AANNDD CCOOOOLL AAIIRR CCIIRRCCUULLAATTIIOONN RROOUUTTEE

7-1. Freezing Cycle

Compressor Condenser Pipe cluster Pipe hot Dryer Capillary tube Evaporator Accumulator Pipe suction Compressor

7-2. Cooling Air Circulation

Freezer

Refrigerator

88.. MMEECCHHAANNIICCAALL DDIISSAASSSSEEMMBBLLYY

8-1. Accessories for storage and parts for lightening

The door gasket is set into groove on door liner.

1) Open the door.

2) Grasp the gasket and pull it out from the door liner.

The unit have two light switches on the side wall of freezer & refrigerator.

1) Use a small flat-blade screw driver to unlock the hook and pull the switch out until the wire connector is exposed.

The light of freezer & refrigerator are located at upper side of each compartment.

1) Remove the screws.

2) Remove the lamp cover by unlocking the hook.

1) Pull the shelf out as far as it goes.

2) Lift it up and pull it out from the unit.

The ice tray is located at bottom of freezer shelfmid.

1) Pull the tray out by sliding.

The drawers are located at bottom side of freezer and refrigerator.

1) Pull the drawer out as far as it goes.

2) Lift it up slightly and pull it out from the unit.

Door Gasket SHEL VES

ICE TRAYS

DRA WERS

LIGHT SWITCHES

LIGHTS

The shelf low ref. in refrigerator can be removed as following sequence.

1) First, remove the drawer upp..

2) Pull the shelf out as far as it goes.

3) Lift it up and pull it out from the unit.

The tray-ref is located at bottom of shelf-ref

in refrigerator compartment.

1) Pull the tray-ref out as far as it goes.

2) Lift it up slightly and pull it out from the shelf.

1) Lift the guard up and pull it out from door liner.

SHELF LOW REF. IN REFIGERATOR

TRAY -REF

FOOD GUARDS

8-2. Cooling Unit

Before disassemble the cover, Should be removed all accessories in freezer.

1) Pull the screw cap out (4 EA).

2) Remove the screws (6 EA).

3) Grasp the bottom edge of the cover, and pull it out from the unit.

Before disassemble the cover, should be cover evap. front.

1) Pull the screw cap out (1 EA).

2) Remove the screws (1 EA).

3) Grasp the bottom edge of the cover, and pull it out from the unit.

4) Disconnect the sensor wire connector and pull the cover out from the unt.

Before disassemble the cover, Should be removed cover duct. front.

1) Remove the screws (3 EA).

2) Grasp the bottom edge of the cover, and pull it out from the unit.

3) Disconnect the wire connector and pull the cover out from the unt.

1) Remove the fan propeller (1 EA).

2) Disconnect the wire connector from body of the cover.

3) Remove the screws (3 EA) and separate the fan motor case.

4) Open the case and remove fan motor.

COVER EV AP FRONT IN FREEZER COVER DUCT REAR IN FREEZER

FAN MOT OR

COVER DUCT FRONT IN FREEZER

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