Samsung SFR-A21NFA User manual

Model : SFR-A21NFA
REFRIGERATOR CONTENTS
1. Safety Precautions and warnings
2. Product specifications
3. Circuit Diagram
4. Specification of Electric Components
5. Product structure & Temperature
adjustment
6. Product Dimension
7. Refrigerant Gas Circulation Diagram
8. How to replace main components
9. How to change the direction of door
open
10. Exploded view & Parts list

ELECTRONICS
Samsung Electronics Co., Ltd
Jul, 1998
Printed in Korea
C

Samsung Electronics 1
1. Safety precautions and warnings
Read all instructions before using this appliancein order to avoid riskofaccident or possibledamage.
Warning/Caution Description of symbols
Indicates prohibition
Do not disassemble
Do not contact
Adhere the instruction strictly
Unplug from the electrical outlet
Earth the appliance to avoid the
risk of an electric shock
Do not plug multiple
electrical appliances into the
same outlet.
• This may cause abnormal
heating or a fire hazard.
Do not attempt to make
repairs yourself.
• This could lead to fire hazard or
abnormal operation causing
severe personal injury.
Make sure the power cord is
not crushed or damaged.
• Repair immediately all power
cords or outlets that have
become frayed or otherwise
damaged.
Check the operating
environment.
• Do not install the refrigerator
in a humid (with
condensation) location or on
an unstable surface.
Do not use the refrigerator if it is not operating correctly or
has been damaged. Disconnect it from the power supply
and call your local service center.
• If the power cord is damaged, avoid a
hazard by replacing it through the
manufacturer or its service agent or a
similarly qualified person.
Warning This symbol is intended to
alert the user to the
possible death or injury.
Caution This symbol is intended to
alert the user to the
possible injury or damage.
Warning
Prohibition Do not disassemble

2 Samsung Electronics
Caution
Do not store bottled food or
drinks in the freezing
compartment.
• Bottles may explode
causing personal injury.
Do not store anything other
than food in the refrigerator.
• Medical supplies which need
to be under strict temperature
control should not be stored
in the refrigerator.
Do not put anything on top of
the refrigerator.
• Opening or closing the door
may trigger loose items to
slip and cause injury.
When servicing the
refrigerator, completely
remove dust or foreign
substances from the housing,
electric connections and etc.
• This can protect against the
risk of fire hazard caused by
tracking and short circuit.
When replacing electric
components, be sure to use
rated components.
• Check the model, rated
voltage, rated current,
operating temperature etc.
of the component.
When servicing the
refrigerator, completely
remove dust or foreign
substances from the housing,
electric connections and etc.
• This can protect against the risk
of fire hazard caused by tracking
and short circuit.
After servicing the
refrigerator, be sure to check
the components are
reassembled in a correct
manner.
• The serviced unit should be
reassembled and returned to
its original assembly state.
Prohibition
Prohibition
Prohibition Prohibition

Samsung Electronics 3
2. Product Specifications
SFR-A21NFA
180λ
590mm×600mm×1230mm
110V / 60HZ, 220V / 50~60HZ
Direct cooling type
R-134a
130gr
ITEM
Model name
Net Capacity
Net dimension(Width x length x height)
Rated voltage & frequency
Type of freezer
Refrigerant
Refrigerant package amount
SPECIFICATION
3. Circuit Diagram
MODEL NAME : SFR-A21NFA
Power : 110V / 60HZPower : 220V / 50~60HZ
GRY
S/BLU
GRY
GRY GRY
COMPRESSOR
P.T.C RELAY OVER LOAD
PROTECTOR
CONDENSER STARTING
GRY S/BLU
GRY BLK
CONDENSER RUNNING
RED
POWER SWITCH
BLK
Super S/W
YEL
N
A
THERMOSTAT
GRY
S/BLU
GRY
GRY GRY
GRY S/BLU
COMPRESSOR
P.T.C RELAY OVER LOAD
PROTECTOR
CONDENSER RUNNING
RED
POWER SWITCH
BLK
Super S/W
YEL
N
A
THERMOSTAT
GRY : GRAY YEL : YELLOW BLK : BLACK RED : RED S/BLU : SKY BLUE
1 3
2
1
1
12
2
3
3
3
4
5
6
GYR
M
C
C
S
S
L
LLL
1 3
2
1
1
2
2
3
3
3
4
5
6
GYR
M
C
C
S
S
L
LLL

4 Samsung Electronics
4. Specifications of Electric Components
ITEM
Model name
Capability of freezer
Net Weight
SPECIFICATIONS
Cooler
Condenser
Dryer
Capillary tube
Refrigerant
Model name
Rated Voltage & Frequency
Starting type
Oil
Compressor
Model name
Operation
Model name
Starting Relay
Dial location
Colder
Normal
Cold
Model
Thermostat
On temp
Off temp
Overload
Relay
Earth Screw
Running
Starting
Specifications
Capacitor
SFR-A21NFA
(4 STAR)
53 kg
FREOL α15C 200CC
PIPE CAULKING TYPE
CLUSTER TYPE(HOT-LINE BUILT-IN)
MOLECULARSIEVE
5.7/12Kg/cm2, 2.5m
R-134a
ON(˚C)
–24.6 ±2
–20.5 ±1.5
–16.3 ±2
OFF(˚C)
–30.4 ±2
–25.5 ±1.5
–20.7 ±2
WARNING ON/OFF
–18.5 ±2
–15.0 ±2
–12.7 ±2
PTHAS-T100M200B
10Ω±20%
4TM427PHBYY-53
69 ±9˚C
125 ±5˚C
250VAC/12µF
125VAC/100µF
BSBN(BRASS SCREW) M4x10
PTHAS-T330M385D
33Ω±20%
4TM265RHBYY-53
69 ±9˚C
125 ±5˚C
350VAC/3.5µF
-
SD162C-LIW
110V/60HZ
CSR
SD162H-LIU
220V/50~60HZ
RSCR
Freezing components
Electric Components

Samsung Electronics 5
5. Product structure & Temperature adjustment
When adjusting temperature,
insert and turn the coin
in the thermostat.
Control panel
Power Super Super Power
Colder If the freezer does not cooling well and the amount
of frozen food is much
• Turn the thermostat to the end of the right.
• It is recommended to use when the temperature is
high like summer. When the room temperature is
high, the temperature of freezer is also high.
Stop It you do not want to use the (this) unit
•
Turn the power off by pressing the power button
•
All of the front display lamps are out.
•
They should be confirmed.
•
Turn the power on in more than 5 minutes after power-
off(If the power is immediately turned on after power-
off, trouble could be caused by operation by force.
Super If the amount of frozen food is much, quick ice
making or quick freezing is required.
•
Press the super freezing H button
(Yellow display lamp is on)
•
Turn it off by pressing the button when the inside
of freezer is frozen fully. Power consumption can
be reduced.
Normal It is recommended at normal status
• Adjust the thermostat to the center.
Cold If the amount of frozen food is small
• Turn the thermostat to the end of the left
• It is recommended when the amount of foodstuff
is small like spring, fall and winter.
Power
Super
Ice Making
compartment
Drawer 1
Drawer 2
Drawer 3
Drawer 4
Drawer 5
Stored foodstuff
display dial. Drain
Label displaying the available
period for frozen food.
Control Knob
100

6 Samsung Electronics
6. Product Dimension

Samsung Electronics 7
7. Refrigerant Gas Circulation Diagram
( Kinds of welding )
: 25% silver solder welding
: 0% silver solder welding
: FLASH BUTT welding
(AI+Cu)
: ARGON welding
(AI+AI)
Condenser Hot pipe
Capillary tube
Dryer
Compressor Suction pipe
Evaporator
Refrigerant charging tube

8 Samsung Electronics
8. How to replace main components
8-1 Thermostat replacement
(1) Pull the power cord out from the outlet
(2) Open the door and take out the compartments 1 and 2
(3) Remove the thermostat sensor (“K” part)
(4) Remove the thermostat box from the back of freezer
(5) Remove the wire from the thermostat
(6) Disassemble the condenser plate and remove the thermostat from the freezer
(7) Reassemble them in opposite order of disassembly