DCS RF48SS User manual

THE DCS REFRIGERATOR
SERVICE MANUAL
MODEL:
RF48SS

3
1
PRECAUTIONS
This product operates on rated 240V.
It indicates that there is possibility of
death or serious injury if the
instruction is not complied with.
It indicates that there is possibility of
personal injuries or property damage
if the instruction is not complied with.
■PRECAUTION FOR SAFETY
• Before operating the appliance, please read this manual thoroughly and retain it for your reference.
• Because these following operating instructions cover various models, the characteristics of your
refrigerator may differ slightly from those described in this manual.
• The appliance is not intended for use by children or infirm persons without adult supervision.
• Children should be supervised to ensure that they do not play with the appliance.
• HFC- R134a is used as a refrigerant.
CAUTION/WARNING SYMBOLS USED OTHER SYMBOLS USED
WARNINGS
Do not plug several appliances into the same multiple
receptacle.
• This could cause overheating and the risk of fire.
Make sure that the power plug is not squashed or dam-
aged by the back of the refrigerator .
• A damaged power plug may overheat and cause fire.
Do not bend the power cord excessively or place heavy
articles on it .
• This constitutes a fire hazard. If the power cord is
damaged, have it replaced immediately by the
manufacturer or its service agent.
Do not directly spray water inside or outside the refrigerator.
• There is a risk of fire or electric shock.
Do not spray inflamable gas near the refrigerator.
• There is a risk of explosion or fire.
Do not insert the power plug with wet hands.
• You may receive an electric shock.
Do not put a container filled with water on the
refrigerator.
• If spilled, there is a risk of fire or electric shock.
Do not install the refrigerator in a damp place or a
place where it may come in contact with water.
• Deteriorated insulation of electrical parts may cause an
electric shock or fire.
Do not store volatile or flammable substances in the
refrigerator.
• The storage of benzene, thinner, alcohol, ether, LP gas and
other such products may cause explosions.
• Keep ventilation openings in the appliance enclosure or
mounting structure clear of obstruction.
• Do not use mechanical devices or any other means to
accelerate the defrosting process, other than those
recommended by the manufacturer.
• Do not damage the refrigerant circuit.
• Do not use electrical appliances inside the
refrigerator/freezer, unless they are of a type recommended
by the manufacturer.
It explains terms to help users to
understand how to use the
product properly.
It is a mark indicating that the
power plug should be removed
from the wall outlet.
It is a mark indicating that
grounding is required to prevent
electric shock.
It helps users to use the
product more efficiently.
It is a mark indicating that it is
prohibited to disassemble.
It is a mark for a reference page.
WARNINGS
This product has 360。rotating casters.
Take care when moving the frdge on a sloping surface
•The product can tip-over and cause severe injuries.
This product is top heavy. So, there is the possibility of
tipping forward when it is not installed correctly. When
moving the product, make sure not to tip it over.
WARNINGS
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CAUTIONS
Do not overfill the refrigerator with food.
• When you opening the door, items may fall out and
cause personal injury or material damage.
Do not put bottles or glass containers in the freezer.
• When the contents freeze, the glass may break and
cause personal injury.
If the wall socket is loose, do not insert the power
plug.
• There is a risk of electric shock or fire.
Do not disconnect the power cord by pulling on it.
• Damage to the cord may cause a short-circuit, fire
and/or electric shock.
• If the power cord is damaged, it must be replaced by
the manufacturer, a certified service agent or qualified
service personnel.
Do not store articles on the top of the appliance.
• When you open or close the door, the articles may fall
and cause personal injury and/or material damage.
Do not store pharmaceuticals products, scientific
materials or temperature-sensitive products in the
refrigerator.
• Products that require strict temperature controls must
not be stored in the refrigerator.
Do not let children swing on the door, a serious injury
may occur.
If you smell pharmaceutical or smoke, plug immediately
and contact your SAMSUNG Electronics service center.
Do not touch the inside walls of the freezer or products
stored in the freezer with wet hands.
• This may cause frostbite.
Never put fingers or other objects into the dispenser hole
and ice chute. It may cause personal injury or material
damage.
The refrigerant used in the refrigerator/freezer and the
gases in the insulation material require special disposal
procedures. Ensure that none of the pipes on the back of
the appliance are damaged prior to disposal.
Do not use a wet or damp cloth when cleaning the plug.
Remove any foreign matter or dust from the power plug
pins.
• Otherwise there is a risk of fire.
• If the refrigerator is disconnected from the power supply, you
should wait for at least five minutes before plugging it back.
When there is thunder or lightening or when the product
is not used for a long time, flip up the grill panel and set
the power switch to the O (OFF).
• Possibility of electric shock or fire.
Do not store things in the ventilation space.
• It will cause a decrease in cooling performance .
Do not place the equipment directly under the sunlight.
• Never start up an appliance showing any signs of damage. If
in doubt, consult your dealer.
• The refrigerator only use ice makers which made
by SAMSUNG Electronics for the refrigerator.
• The incorporated ice-makers are to be installed only by
the manufacturer or its service agent.
Do not disassemble or repair the refrigerator by yourself.
• Fire, malfunctions and/or personal injury may occur.
Do not change the interior halogen lamp by yourself
call to service center.
• There is a risk of electric shock
If you wish to dispose of the refrigerator / freezer, remove
the doors and seals first.
• Do so in a way, that is not possible for a child to be
trapped inside.
Do not insert your hands into the bottom area under the
appliance.
• Any sharp edges may cause personal injury.
Turn off the power s/w before changing or fixing of
electro -control system.
• There is a risk of electric shock.
Use the genuine parts during changing of electro-control
system.
• Check the model name, regular electricity and display
of temp etc.
CAUTIONS
CAUTIONS
■PRECAUTION FOR SERVICE
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Remove the dust or foreign body from Housing,
Assembly and conect during fixing.
• Prevention of fire in case of TRACKING, SHORT
Check for moisture in electro-control system.
• If you find moisture in electro-control system, change the
part or clean and insulate.
Check the assembly condition of parts after repairs.
Your power socket should have a ground(earth) pin.
• You must ground(earth) the refrigerator to prevent any
power leakages or electric shocks caused by current leakage
from the refrigerator.
Never use gas pipes, telephone lines or other potential
lightening rods as ground.
• Improper use of the ground plug can result in electric shock.
It must have the following advice.
• Please dispose of the packaging material for this product in
an environmentally friendly manner.
• Please contact your local authorities in regard to the
environmentally safe disposal of this product.
• This product is intended only for the storage of food in a
domestic environment.
• When disposing of a refrigerator, remove the door/ door
seals/ door latch so that children or small animals cannot
become trapped inside.
CAUTIONS
CAUTIONS
■PRECAUTION FOR DISPOSAL
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●Select an installation place
Model
RF48SS
A
48”
Remark
B
27.8”
C
84”
D
96.8”
E
88.5”
Model A B C Remark
AB
CDE
Location of
Electrical
Receptacle
Water
Supply
Opening
(1"X1")
A
B
C
83.5”(Min)
84.3”(Max)
Please check the followings before installing the product.
Check if the product can clear the doors on its way to the installation place.
▶If the product is not able to clear the doors, it is not possible to install the product.
Please check if there is enough space to install the product.
▶If there is not enough space, it is not possible to install the product.
RF48SS 47.5” over than 24”
■PRECAUTIONS BEFORE INSTALLATION
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Check if the floor can support the weight of the refrigerator and the
food inside (1102lb or 500kg total).
▶It could damage the floor.
Check if the product is placed within the reach of a power point.
If the product is a dispenser model, check that the product is within easy
access of water supply and the humidity around the product is low.
▶Please select a place with easy access to water supply for the water & ice
dispenser.
Avoid a place with intense heat or a place that is extremely cold.
▶Install the product with an ambient temperature between 46℉(5℃) and
109℉(43℃).
▶When it is installed at a place with an extremely cold or hot ambient
temperature, the products operation can be effected and its cooling capacity
will decrease resulting in an increase in power consumption.
●Select an installation place
Do not earth it to a gas pipe
or a telephone cord.
Possibility of explosion,
electric shock or fire.
●Earth the product
●When the wall outlet is not facilitated with
earth There is a risk of electric leakage. At
this time, electric leakage can be
prevented in some cases when it is
plugged in upside down. (But, when it
comes to old buildings, the earthed state
of the power cord could be unstable even
after its cross insertion and it could bring
about an electric shock. In this case, the
product shall be earthed.)
Check if the floor is flat.
▶If the refrigerator is installed on an uneven floor, it will cause vibration and noise.
The product must be earthed properly.
Make sure your power oulet has an earth pin.
▶When the product fails to operate properly:Make sure to do earth to
prevent electric leakage or an electric shock.
▶When there is no earth with normal products:When touching the handle
or surface of the product, a minute amount of electric leakage
can be felt. (It can be felt on all products made of electricity conducting
materials (metal plate).It is obliged to use a right angle power plug.Also,
make sure to earth the product.)
<When the wall outlet has an earthed terminal>
▶It doesn't need earthing. (But, when
the wall outlet has no earthed terminal,
make sure to earth the product.)
<When the wall outlet has no earthed terminal>
▶When plugging the product into a wall outlet having no earth, connect
the earthed wire to the earth-screw on the back of the product and then
connect the other end to a metallic water pipe or earth-guide.
▶Never use a wall outlet or an extension cord having no earthed wire.
(Without earth, minute electric leakage can be generated.)
▶Please refer to the installation manual for installation details.
Ground
Terminal
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Product Specifications
2
Product Specifications
Model Name
RF48SS
Weight
Rated V/Hz
Motor Power Consumption
Heater Power Consumption
Refrigerator Type
Refrigerant
Refrigerant Quantity
Freezer Performance
Power Consumption
Star Rate Index
AC 115V / 60Hz
155kw
500W
Indirect Cooling
HFC-134a
0.5lb
4 STAR
730 kw/Y
DOE meet
Dimension
GROSS
volume
Storage
volume
Tot al
Freezer Room
Fridge Room
Tot al
Freezer Room
Fridge Room
Width(mm)
Height(mm)
Depth(mm)
DISPENSER
766
279
487
705
255
450
48”
84”
27.8”
574lb
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Model Name
Product Specifications
RF48SS
Compressor
Evaporator
Capillary
Tube
Freezer
Refrigerator
Refrigerator →Freezer
Model Name
Starting Type
Oil Charge
Refrigerator
Freezer
Rated
On/Off
Operating Temp
Model Name
SPEC
Model Name
SPEC
F-Defrost
Sensor
R-Defrost
Sensor
Bimetal
Fresh
Initial Defrost Cycle (F+R Defrost)
F-Defrost Cycle
R-Defrost Cycle
Idling Time
Model Name
Thermistor
(F-Sensor)
PX-41C
Temp Selection
Soft Freeze
Fresh
Cool
Refrigerator
Model Name
Thermistor
(F-Sensor)
PX-41C
Temp Selection
MAX
MID
MIN
Freezer
Model Name
Thermistor
(F-Sensor)
PX-41C
Temp Selection
MAX
MID
MIN
Step Motor Valve
Condenser
Dryer
Refrigerant
BK190CL2X/EO2
Inverter
Freol α-15 (Ester)
Split Fin Type
Fin Cross Type
DC14V/ Unipolar 1-2 Phase Excitation Method
Forced or Natural Convection
Molecular Sieve XH-9
ID0.85 X L3300 4.4 Kg/㎠
ID0.85 X L3000 4.2 Kg/㎠
ID3.36 X L1000
HFC-134a
ON(℉)
-14℉
0℉
8℉
ON(℉)
34℉
38℉
46℉
ON(℉)
23℉
30℉
38℉
4 Hr ±10 Min
10~20Hr (Vary according to the using conditions)
5~10Hr (Vary according to the using conditions)
10 ±2M in
Thernistor (PX-41C)
5.0KΩ at 77℉
Thernistor (PX-41C)
5.0KΩ at 77℉
AC 125V 10A
OFF
140±41℉
Cooling Components
Room Temp Sensor
Defrost Related Components
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H
e
a
t
e
r
F-Room Cooling Fan Motor
R-Room Cooling Fan Motor
Comp Cooling Fan Motor
Fresh Island Fan Motor
Fresh Island DAMPER
Ice Maker Geared Motor
Dispenser Geared Motor
Ice Maker Auger Motor
Ice Maker
Dispenser Micro S/W
F-Room Lamp
R-Room Lamp
Dispenser Lamp
Convertible
Door S/W
Power Cord
Earth Screw
Trans
Main S/W
Water tank Heater
Model Name
F- Defrost Heater
F- Drain Heater
F - SUB Drain Heater
R- Defrost Heater
R -Drain Heater
Dispenser Heater
Water Supply Heater
AC 115V 300W(Sheath heater)
AC 115V 35W(Cord Heater)
AC 115V 10W(Cord Heater)
AC 115V 110W(Heater Pipe)
AC 115V 30W(Cord Heater)
On upon F-Defrost
On upon R-Defrost
F-Defrost Heater Overheat Protection Bimetal
R-Defrost Heater Overheat Protection Bimetal
Noise Filter
Electric Components
RF48SS
AC 115V 7W
(Cordheater)
Model Name
On Temp
Off Temp
Overload
Protector
AC 250V 10A 50/60 HZ
4TM445 PHBYY-82
156℉±48℉(69±9℃)
257℉±41℉(125 ±5℃)
DC12V DREP3030LB /φ67, L237.4, Blower Fan
DC12V DREP3030LB /φ67, L295.5, Blower Fan
DC12V DRCP3030LA / φ170, Shroud Fan
DC12V G8015S12B-SS / 1800 RPM
DC12V NSBY001TB1 / Unipolar 1-2 Phase Excitation Method
AC 120V / MVCC18AR19 / 0.3 RPM, 4.5W, 8 POLE
AC 120V / MVCC18AR19 / 18 RPM, 3.5W, 8 POLE
110~12V, 60Hz/ISG3240SSI/18RPM,102W
DC 12V NTGN001TA1 / 160 DEG
0.6A / -125VDC / 0.3A-250VDC
Halogen Lamp AC 12V, 35W X 2EA, Reflector 2EA
Halogen Lamp AC12V, 35W X 2EA, Standard30w 1EA
Incandescent Lamp AC 120V, 15W, Blue color
High Brightness LED ※5EA
AC 125~250V, 11A
AC 125V 15A, AWG #
BSBN (Brass Screw)
AC 250V X 2EA
AC 250V 15A
AC 115V 5W
AC 115V 5W
(Cordheater)
AC 125V 10A / AC 250V 5A
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FB
47”
C
24.8”
D
25.6”
H
44”
I
52”
J
40.8”
K
42.9”
L
13.6”
M
20.3”
G
E
27.8” 83.4”min
84.2”max
84”min
84.8”max
MODEL
RF48SS
A
48”
Product Dimension
DOOR 90 OPEN
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PART PART NAME CODE REMARKS
ANTI-TIP
BRACKET
Cap support filter
Filter
Water line
Tapping Screw
Clip A
Sealing Tape
DA99-00466A
DA29-00003B
DA97-00753A
6002-000213
DA65-20110B
0203-000399
DA61-01589A
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Refrigeration Cycle
COMPRESSOR
COMPRESSOR
FRE EVAPORATOR
CONNECTOR
CAPILLARY
REF EVAPORATOR
SUB-CONDENSER PIPE
FRE/REF/HOT PIPE
REF CAPILLARY TUBE
FRE CAPILLARY TUBE FRE EVAPORATOR
REF CAPILLARY TUBE
FRE CAPILLARY TUBE(RED)
SUB-CONDENSER PIPE
FRIDGE COMPARTMENT
FREEZER COMPARTMENT
REF EVAPORATOR
DRYER
DRYER
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Cold Air Circulation
FREEZER FAN FRIDGE FAN
REF EVAPORATOR
FRE EVAPORATOR
FREEZER COMPARTMENT FRIDGE COMPARTMENT
FRONT VIEW
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FIN CONDENSER
86~89.6℉158~203℉
142.4~213.6lb/㎡
1.4~7.1lb/㎡
※Components of the Cycle: Compressor, condenser, capillary tube and evaporator (cooler)
4 Steps of the Refrigeration Cycle: Compression →Condensation →Expansion →Evaporation
※Flowchart Liquid refrigerant evaporates in the evaporator and becomes low pressure,low temp.
→Absorb heat from the refrigerator →The compressor absorbs the gas
refrigerant →Send the high temp & pressure gas to the condenser →The condenser transfers the heat from the compartments and the heat generated during the compression cycle, and becomes liquid. →It reduces its pressure in the capillary tube. →It goes into the evaporator, repeating the above cycle.
REFRIGERATION CYCLE
2-1
BASIC REFRIGERATION CYCLE
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122℉
(
104℉~140℉)
158~203℉
(142.4~213.6lb/㎡
)
Actual Refrigerant Pipe
2-2
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1. Principles of the Cold Cycle
1) Compressed Stroke (Adiabatic Compression)
Low temperature and pressure gas absorbed from the evaporator is compressed
rapidly by the piston, the work applied to the gas will be changed into heat and the gas
becomes high temperature and pressure. (It is considered as adiabatic
compression as the heat doesn’t come in or go out in this process.)
2) Condensed Stroke (Isothermal Compression)
High temperature and pressure gas is discharged from the compressor, gets cooled after it
enters the condenser. As it emits the residual heat through the condensation until it changes
to a liquid state, the temperature doesn’t change. Only its state changes.
This state is the isothermal compression. This state is called super-cooling the
temperature of the gas which is completely liquefied at the end of the condenser drops.
3) Pressure Reducing Stroke (Adiabatic Expansion)
When the liquefied gas in room temperature and high pressure goes through rapid throttling
action in the capillary tube, it expands quickly and goes into the evaporator. At this time, its
temperature drops, and it is due to its adiabatic expansion, not to take heat away from its
surrounding during its throttling action.
4) Evaporating Stroke (Isothermal Expansion)
The gas that came into the evaporator has already get cooled, but its liquefied part keeps
evaporating until it gets completely vaporized and takes the residual heat of evaporation away
from the surrounding.
2. Roles of the Cold Cycle Components
Compressor: It compresses gas in low temperature and pressure into that of high temperature
and pressure and circulates the gas in the cycle.
Condenser: It condenses gas refrigerant in high temperature and pressure into liquid refrigerant
in room temperature and high pressure.
Capillary Tube: It decompresses liquid refrigerant in room temperature and high pressure, and
expands it into low temperature and pressure.
Evaporator: The liquid refrigerant in low temperature and pressure takes heat away from its
surrounding, and changes into gas in low temperature and pressure.
■Throttling Action
When gas passes the area whose resistance is high, the pressure drops to its flowing direction
due to the friction or dispersion of its flow. In other words, the pressure drop at the narrow area
is said to be throttling. The extent of the pressure drop depends on the properties, states and
speed of gas and on the sizes of the capillary whose passage gets narrow.
3. How the Refrigeration Cycle Components Work
■Condenser
1) Roles: It emits heat to the outside (water/air) to change gas refrigerant in high temperature
and pressure, which is discharged from the compressor, into liquid.
2) Types
A. Air Cooling Type: It condenses air by circulating it naturally or compulsorily.
①Natural Convection Type: It uses a home refrigerator whose condensing capacity is small.
②Forced Convection Type: It circulates air using a fan-motor forcibly (large capacity).
B. Hydro-Cooling Type: It passes water coolants into the pipes of the condenser (large capacity).
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※Location:
①Cluster Radiating Type: It releases heat through the pipes in the front right and left inside of
the refrigerator to release heat to all over the cabinet, which is good for heat radiation and
foamed with rigid urethane,
②It is installed outside of the refrigerant (old-type).
③
It is gathered in the lower side of the refrigerant, and its heat is radiated forcibly by using the fan.
☞It releases the residual heat of condensation until it is completely liquefied, and makes the
gas change only its state without changing its temperature.
◆References ◆
※Thickness of the Pipe
①Low Pressure: 0.25” ②High Pressure: 0.19” ③Capillary Tube: 0.016~0.03” or so
※Length of the Condenser (300L for a Standard): 86.9’
①AUXILIARY: 16.4’ ②HOT – PIPE: 21.6’ ③CLUSTER – PIPE: 49.2’
■Capillary Tube
1. Roles: It decompresses the liquid refrigerant of room temperature and high pressure to
make the refrigerant of low temperature and pressure and supplies it to the evaporator.
1) It vaporizes the liquid more at low temperature during its evaporation.
2) Though the compressor stops working, the refrigerant does not flow backward to the
condenser but it flows into the evaporator. This makes small the pressure difference
between the high pressure side and the low pressure side, and it makes it easy to operate
the compressor again.
2. Overview
1) Diameter: 0.016”~0.03 or so
2) Length: It is possible to bring it into low temperature and pressure (50℉, 71.2lb/㎡) according to
the resistance of 6.56’ long and thin wall of the copper pipe.
■Evaporator
1. Roles: It makes food frozen when the low pressure liquid refrigerant from the capillary tube
changes into the low pressure gas refrigerant by absorbing the compartment’s heat.
2. Principle: The liquid refrigerant of low temperature, which flows in from the evaporator,
keeps evaporating until it is completely gasified, and takes the residual heat of evaporation
away from the surrounding.
3. Types
1) Roll – Bond Condenser °ÊDirect Cooling One-Door Type
☞It rolls and bonds two sheets of aluminum to make a passage for refrigerants.
2) Pin – Pipe Type °ÊIndirect Cooling Two-Door Type
☞It attaches small-size aluminum sheets on aluminum pipe to achieve good cooling effect.
■Compressor
1. Roles: It plays the same role as a pump which draws underwater from the earth. It takes
in the gas refrigerant with low temperature and pressure from the evaporator to change it
into the liquid refrigerant with high temperature and pressure in the compressor before
being sent to the condenser.
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2. Types
A. Reciprocal Movement Type: It compresses by shifting the motor rotation to the reciprocal movement of the piston with the shaft and
the cylinder.
※It is used for home refrigerators.
B. Rotary Type: It inhales and compresses the refrigerants in the air gap between the rotator and the cylinder attached in an eccentric
way to the rotary axis.
C. Centrifugal Type
■Drier
1. Roles: It absorbs moisture and removes foreign substance from the refrigerant during the circulation of the refrigeration cycle.
2. Structure: A small amount of moisture can cause the small entrance of the capillary tube to get frozen, which makes it impossible for
the refrigerant to circulate. So silica gel or molecular sieve (drying agent) is sealed to absorb the moisture inside it, and a fine net is
installed to remove foreign substance at its both ends.
Refrigerant
Molecular Sieve Metal Filter
※Effect of Moisture
①Moisture deposition – Clogged by ice
②Responding with coolant
③Life time shortening of oil
④Acceleration of oxidation
⑤Copper coating effect
⑥Gas decomposition through interaction of composite insulators
※Foreign Substances’ Effect
①Condensed temperature increases
②Vortex temperature increases
③Efficiency of refrigeration decreases
④Its life time shortens due to frictions between oil and foreign
substances inside the compressor.
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■Accumulator
1. Roles: It removes the liquid refrigerant from the evaporator completely to send only the pure gas refrigerant to the compressor.
※A liquid refrigerant to the compressor can cause its overload.
2. Structure:
liquid
liquid
Inhaling Part of the
Compressor
The liquid refrigerant
which is vaporized from
the evaporator will flow
into the accumulator. It
will be vaporized there
before being sent to the
compressor.
Gas Refrigerant
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3
PRODUCT FUNCTION
21
Button & Display Panel
It shows the set functions.
Grill Panel
Dispenser
It supplies drink water via a water filter
and ice cubes made by the ice maker.
Freezer Door
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