Samsung RB1855SW User manual

RB1855SW
RB1855SL
RB2055SW
RB2055SL
Model:
Bottom-Mounted Freezer
SAMSUNG Home Appliance Service

2
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
informatio
n.
All rights reserved. This service guide may not be reproduced in whole or in
part in any form without written permission from the SAMSUNG ELECTRONICS
Company.
WARNING

3
Contents
1. Installation ······································ 4
2. Nomenclature ····································4
3. Product Specifications ·······························5
4. Electrical part specifications & standard ·····················5
5. Interior Views and Dimensions···························7
6. Refrigeration Cycle and Cool Air Circulation Route ···············9
7. Mechanical Disassembly······························11
8. Operation Function ·································18
9. Circuit Descriptions·································27
10. Diagnostics·····································35
11. Illustrated Parts Catalog ·····························49
●Appendix ⅠⅠ(Reference for circuit diagnostics) ·················57
●Appendix ⅡⅡ(Circuit diagram) ···························61
12. Safety instruction on services ··························62

4
1. INSTALLATION
2. NOMENCLATURE
1) To protect refrigerator in movement
Use padded hand truck from side only.
2) Remove all protective tape and pad from the refrigerators.
Connect power cord. Adjust the clearance between the doors.
3) Temperature controls ard preset in the factory for
recommended settings.
The refrigerator should runs smoothly and lower the
temperature gradually.
4) Once the refrigerator temperature is sufficiently low
It is recommended to store foods in the refrigerator.
It takes a few hours to reach the preset temperatures.
2002 Models
RB20 55
SW
/XAC
Product ; R - REFRIGERATOR
Capacity ; CU. FT
B - BOTTOM MOUNTED FREEZER (BMF)
OPTION ; 55-NO DISPENSER 77-DISPENSER
COLOR ; SW-SNOW WHITE SL-NOBLE GRAY
Company Name
Label Location

5
3. PRODUCT SPECIFICATIONS
4. ELECTRICAL PART SPECIFICATIONS & STANDARD
RB1855SW RB1855SL RB2055SW RB1855SL
MK172C-L2U
115V
60HZ
RSCR
R134a
Freol α-10c(Ester), 265cc
Split Fin & Tube Type
Split Fin & Tube Type
Forced & Natural Convection Type
Molecular Sieve XH-9
ID0.82 XL3000
BSBN(Brass screw)
AC125V 1.4A(SSD-6D)
Condenser
Dryer
Capillary tube
Earth screw
Door switch
Model
Starting type
Refrigerant
Oil Charge
Freezer
Refrigerator
Evaporator
Compressor
RB1855SW RB1855SL RB2055SW RB2055SL
BMF 2 Door
Electronic control
CYCLO-PENTANE
CYCLO-PENTANE
A.B.S
A.B.S
102 107
820 X720 X1775(mm) 820 X770 X1775(mm)
Model
Type
Temperature control
Total
Freezer
Refrigerator
Net Capacity
LT(ft3)
Cabinet insulation
Door insulation
Cabinet
Door
Liner
Foam
Net weight(Kg)
Net dimension
(W XDXH)
506 (18.7)
143 (5.9)
363 (12.8)
556 (20.4)
161 (6.5)
395 (13.9)
STANDARD
ITEM
Model
Rated Voltage
Frequency

ELECTRICAL PART SPECIFICATIONS & STANDARD
6
RSCR 250VAC, 12㎌
4TM437RHBYY-53
130±5
69±9
J531Q33E100M200-2
10±20%
IS3210-SNP6D
IS3208-SNP6H
IS3208-SCH6A
ITEM STANDARD
6-22hr (VARY ACCORDING TO THE ENVIRONMENTAL CONOITION)
6-11hr (VARY ACCORDING TO THE ENVIRONMENTAL CONOITION)
10 ± 2min
4hr
± 10min
THERMISTOR (502AT), SPEC:5.0K
Ω AT 25 ℃
Freezer
Type
F-Sensor
Type
R-Sensor
ON(℃)
-23.5℃
-17.5℃
-12.5℃
ON(℃)
2.5℃
5.5℃
8.5℃
Temperature Selection
–25℃
–19℃
-14℃
Temperature Selection
1℃
4℃
7℃
OFF(℃)
-26.5℃
-20.5℃
-15.5℃
OFF(℃)
-0.5℃
2.5℃
5.5℃
Refrigerator
Defrosting
Sensor
Heater
Fuse
First Defrost Cycle
(Concurrent Defrost of F and R)
Defrost Cycle(FRE)
Defrost Cycle(REF)
Pause Time
Freezer-Sensor
Refrigerator-Sensor
FRE Evap-Sensor
REF Evap-Sensor
Ambient TEMP-Sensor
Defrost Heater(FRE)
Drain Heater(FRE)
Defrost Heater(REF)
Drain Heater(REF)
TemperatureElectrical parts
242W
52W
120W
38W
AC250V 10A 77±5˚C
Thermal-Fuse for preventing
overheating of Freezer Defrost-Heater
Thermal-Fuse for preventing
overheating of Freezer Defrost-Heater
110V-130V/15W
110V-130/30W
Capacitor
Over-Load
Protector
STARTING-
RELAY
MOTOR-FAN
LAMP
RUNNING
MODEL
TEMP. ON
TEMP. OFF
MODEL
OPERATION
FRE.
REF.
CIRCUIT
FRE
(INCANDESCENT)
REF
(INCANDESCENT)

7
• Deli drawer
Pull it out to disassemble. •
Door Bin
Push it up and slide it out
to disassemble.
• Glass Shelf
Pull it out until its stop
Tilt down and slide it out.
• Ice trays
• Vegetable Drawer
• Gallon Bin
Light
• Freezer Drawer
•
•
•
•
•
•
•
5. Interior Views and Dimensions
5-1) Shelves and Bins

8
Interior Views and Dimensions
MODEL
RB1855
RB2055
A
617
667
B
705
755
C
1468
1518
5-2) Dimensions of Refrigerator (mm)

9
6. Refrigeration Cycle and Cool Air Circulation Route
Compressor →Sub condenser →Cluster pipe →Hot pipe →Dryer →Capillary tube
→R-Evaporator →F-Evaporator →Accumulator →Suction pipe →Compressor
6-1) Refrigerant Route in Refrigeration cycle

10
Refrigeration Cycle and Cool Air Circulation Route
6-2) Cool Air Circulation