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Samsung SC18AS0, Service Manual

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INDOOR UNIT

SC18AS0
SC24AS6

OUTDOOR UNIT

SC18AS0X
SC24AS6X

SERVICE

Manual

CONTENTS

AIR CONDITIONER

1. Product Specifications

2. Operating Instructions

3. Disassembly and Reassembly

4. Refrigerating Cycle Diagram

5. Set Up the Model Option

6. Exploded Views and Parts List

7. PCB Diagram

8. Wiring Diagram

9. Schematic Diagram

ROOM AIR CONDITIONER

DB98_16340A(1)_co  04/2/9 2:58 PM  Page 3

Summary of Contents for SC18AS0

Page 1: ...anual CONTENTS AIR CONDITIONER 1 Product Specifications 2 Operating Instructions 3 Disassembly and Reassembly 4 Refrigerating Cycle Diagram 5 Set Up the Model Option 6 Exploded Views and Parts List 7 PCB Diagram 8 Wiring Diagram 9 Schematic Diagram ROOM AIR CONDITIONER ...

Page 2: ...it Dimensions Width mm Depth mm Height mm Package Dimensions Width mm Depth mm Weight Net kg Shipping kg SC18AS0 Cool 220 240V 50Hz 5 1 13 0 2 5 198 264 8 3 1 81 94 8 2 81 40 Microprocessor Thermistor Wireless remote control 24 Hour ON OFF 3 Steps and Turbo 2 Step Manual Auto Rotary Samsung 1 250g Capillary tube 48 46 44 58 Flare type 15 6 35 1 4 12 70 1 2 Optional Hanger plate Indoor unit Outdoor...

Page 3: ... 6 22 5 28 8 21 0 27 0 19 0 24 0 17 0 21 5 15 0 32 4 24 0 30 6 22 5 28 8 21 0 27 0 19 0 24 0 17 0 21 5 15 0 9 8 7 6 25 30 35 40 45 Outdoor inlet air D B temp C Low pressure kg cm 2 G Indoor inlet air D B temp C 24K BTU Outdoor inlet air D B temp C Low pressure kg cm 2 G Indoor inlet air D B temp C ...

Page 4: ...and run the air conditioner or On Off timer set up Turbo Sleep mode selection button Press the button one or more times until appears The air conditioner cools the room as quickly as possible After 30minutes the air conditioner is reset automatically to the previous mode UP Swing button It adjusts the airflow to upward and downward Mode selection button Each time you press this button Mode is chan...

Page 5: ... FAN SPEED Manual 3 step Auto 4 step Fan speed automatically varies depending on both the difference between setting and the room temperature 7 COMPULSORY OPERATION For operating the air conditioner without the remote control The operating is the same function that AUTO MODE in the remote control 8 SWING BLADE H is rotated vertically by the stepping motor Swing Set Press the button under the remot...

Page 6: ...s mounted in a high place 3 Make sure that you install the outdoor unit in area provid ing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet and the air outlet 4 Make sure that you install the outdoor unit in area free from animals or plants 5 Make sure that you install the outdoor unit in area not blocking the traffic 6 Make su...

Page 7: ...ille 4 Slide the lower Front Grille down then disassemble it by pulling it forwards 5 Take the left and right Filter out 6 Loosen one of the right screw and detach the Terminal Cover 7 Detach the thermistor from the Front Grille 8 Loosen 5 fixing screws of Front Grille 9 Pull the lower left and right of discharge softly for the outside cover to be pulled out 10 In order to disassemble the Panel Gr...

Page 8: ...ach the outdoor unit connection wire from the Terminal Block 3 If pulling the main PCB up It will be taken out 1 Pull Tray Drain out from the Back Body 1 Loosen 2 fixing earth screws of right side 2 Detach the Connection Pipe 3 Detach the Holder Pipe at the rear side 4 Loosen 2 fixing screws of right and left side 5 Lifting the Heat Exchanger up a little to push the up side for detach from the ind...

Page 9: ...bly No Parts Procedure Remark 5 Fan Motor Cross Fan 1 Loosen the 4 fixing screws and detach the Motor Holder 2 Loosen 1 fixing screw of Fan Motor By use of M3 wrench 3 Detach the Fan Motor from the Fan 4 Detach the Fan from the left Holder Bearing ...

Page 10: ...emove the power cable 2 Detach the Top Cover 3 Detach the Control Box Cover 4 Unplug the Ass y Cable 5 Detach the Cabinet Side 6 Detach the Cabinet Front When you assemble the parts check if the each parts and Component Electric Box are fixed firmly 1 Detach the Nut Flange Turn to the clockwise 2 Disassemble the Propeller Fan ...

Page 11: ...rigerating Cycle Diagram Indoor Unit Outdoor Unit Heat Exchanger Evaporator Gas side 3 Way valve 2 Way valve Liquid side Capillary tube Cooling Gas leak check point Cross fan Heat Exchanger Condenser Propeller fan Compressor T1 T2 ...

Page 12: ...sh the button the display panel reads or repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Setting is not required if you must a value which has a default 3 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 4 Push the button to set the display panel to Every time you p...

Page 13: ...on key to set the display part to and check the display part The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows Step 4 Pressing the ON OFF button When pressing the operation ON OFF key with the direction of remote controller for unit the sound Ding or Diriring is heard and the OPERATION ICON lamp of the display is flicke...

Page 14: ...13 Samsung Electronics Set Up the Model Option OPTION ITEMS REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SC18AS0 SC24AS6 0 A 0 0 0 0 1 A A 3 5 1 0 A 0 0 0 0 1 A A 3 6 2 ...

Page 15: ... 14 11 13 16 2 16 1 16 5 16 3 16 4 2 1 4 17 5 1 1 3 1 2 18 19 10 15 16 1 1 3 6 8 7 9 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 6 Exploded Views and Parts List 6 1 Indoor Unit ...

Page 16: ...Y CROSS FAN ASS Y 1 1 7 DB60 20011A BOLT SPECIAL 1 1 8 DB31 10151C MOTOR FAN IN 1 1 9 DB93 02580B ASS Y CONTROL IN ASS Y 1 DB93 02580E ASS Y CONTROL IN ASS Y 1 10 DB94 00531A ASS Y BACK BODY ASS Y 1 1 11 DB61 01136A HOLDER MOTOR PP 1 1 12 DB93 01364A ASS Y REMOCON ASS Y 1 1 13 DB63 00580A COVER IONIZER HIPS 1 1 14 DB61 01137A HOLDER PIPE HIPS 1 1 15 DB70 00295A PLATE HANGER SGCC M 1 1 16 DB94 0030...

Page 17: ...12 13 21 6 5 7 14 8 19 10 11 9 4 3 2 1 22 15 15 2 15 3 15 4 15 1 16 16 1 18 18 1 18 2 18 3 17 20 1 20 3 20 2 20 4 Samsung Electronics 16 6 2 Outdoor Unit 18K BTU ...

Page 18: ...C 90073T 1 14 DB90 10613D ASS Y CABI UPPER ASS Y 1 15 G8D190JU1EH COMPRESSOR ROTARY 1 15 1 DB73 00067A GROMMET ISOLATOR NR 3 15 2 DB60 30028A NUT WASHER M8 3 15 3 DB60 30018A NUT FLANGE M5 1 15 4 DB63 10165D COVER TERMINAL NOTYL 1 16 DB96 03261A ASS Y TUBE SUCTION ASS Y 1 16 1 DB62 02285A VALVE SERVICE 1 2 1 17 DB96 03265A ASS Y TUBE CAPILLARY ASS Y 1 18 DB93 00672C ASS Y CONTROL OUT ASS Y 1 18 1 ...

Page 19: ...17 11 12 5 4 1 6 3 14 9 19 8 7 10 13 21 18 1 18 2 18 3 18 5 18 18 6 18 4 2 22 15 15 2 15 3 15 4 15 1 16 16 1 Samsung Electronics 18 Exploded Views and Parts List 24K BTU 20 1 20 3 20 2 20 4 ...

Page 20: ...5 G5A240JU1EM COMPRESSOR ROTARY 1 15 1 DB73 00082A GROMMET MOUNT EPDM 3 15 2 DB60 30028A NUT WASHER M8 3 15 3 DB60 30018A NUT FLANGE M5 1 15 4 DB63 10165D COVER TERMINAL NOTYL 1 16 DB96 03262A ASS Y TUBE SUCTION ASS Y 1 16 1 DB62 02342A VALVE SERVICE 5 8 1 17 DB96 03266A ASS Y TUBE CAPILLARY ASS Y 1 18 DB93 02654A ASS Y CONTROL OUT ASS Y 1 18 1 DB34 90054A MAGNETIC CONTACTOR 41NB21ALT 1 18 2 2501 ...

Page 21: ...Samsung Electronics 20 6 3 Ass y Control In Indoor Unit DB93 02580E SC18AS0 DB93 02580B SC24AS6 ...

Page 22: ...CK ASS Y S W DISPLAY PCB ASS Y MODULE PCB PLATE TERMINAL LOW HOLDER WIRE CLAMP SCREW MACHINE SCREW MACHINE SCREW MACHINE ASS Y C W MOTOR CAPACITOR ASS Y C W AC DC CONNECTION ASS Y C W MODULE PCB C W STEP MOTOR UP DOWN CAPACITOR ASS Y THERMISTOR SEAL CASE CONTROL DC CABLE TIE POWER CORD SEAL CASE CONTROL SEAL CASE CONTROL IN SEAL CASE CONTROL HOLDER DISPLAY HOLDER PCB CONNECTOR WIRE DISPLAY WINDOW ...

Page 23: ...OP PCB BOARD OPT11 OPT12 OPT13 OPT14 OPT15 OPT16 DB41 00243A XC71 DB93 02592A 220nF 250V DB93 02592B 220nF 250V DB93 02592C 220nF 250V DB93 02592D 220nF 250V DB93 02592E 220nF 250V DB93 02592F 220nF 250V DB93 02592G 220nF 250V DB93 02592H 220nF 250V DB93 02592J 220nF 250V DB93 02592K 220nF 250V ...

Page 24: ...ALL 3P 1R 3 96mm STRAIGHT SN 1 SNA CN93 CONNECTOR HEADER BOX 10P 1R STRAIGHT SN 1 SNA D101 DIODE RECTIFIER UG2D 200V 2A DO 204AC TP 1 SNA D103 DIODE RECTIFIER UF4007 1KV 1A DO 41 TP 1 SNA D102 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP 1 SNA F701 FUSE CARTRIDGE 250V 3 15A TIME LAG GLASS 5x20mm 1 SNA IC01 IC PWM CONTROLLER VIPER12ADIP DIP 8P 300MIL PLASTIC 1 SNA IC02 IC VOLT REGU 78L05A TO 92 3P PL...

Page 25: ...LL SIGNAL 2SC2412K NPN 200mW SOT 23 TP 1 1 SNA R101 R CHIP 100ohm 5 1 10W DA TP 2012 1 SNA R102 R CHIP 2 2Kohm 5 1 10W DA TP 2012 1 SNA R103 R CHIP 6 8ohm 5 1 10W DA TP 2012 1 SNA R201 R202 R203 R204 R CHIP 100Kohm 5 1 4W DA TP 3216 4 SNA R205 R CHIP 10Kohm 5 1 10W DA TP 2012 1 SNA R206 R207 R CHIP 1Kohm 5 1 10W DA TP 2012 2 SNA ZD11 DIODE ZENER BZX84 C11 10 4 11 6V 350mW SOT 23 TP 1 SNA Location ...

Page 26: ...NNECTOR HEADER BOX 3P 1R 2mm STRAIGHT SN RED 1 SNA CN82 CONNECTOR HEADER BOX 3P 1R 2mm STRAIGHT SN BLU 1 SNA CN91 CONNECTOR HEADER BOX 2P 1R 2mm STRAIGHT SN 1 SNA CN92 CONNECTOR HEADER BOX 10P 1R STRAIGHT SN 1 SNA CN94 CONNECTOR HEADER BOX 9P 1R 2mm STRAIGHT SN 1 SNA IC03 IC VOLTAGE 7533 TO 92 3P SINGLE PLASTIC SNA Location No Q TY Remark Description Specification 7 2 MAIN PCB DC DB93 01325E Stand...

Page 27: ...A IC51 IC EEPROM 93LC56 128x16Bit SOP 8P 150MIL 2 5V 1 SNA Q401 Q601 Q603 TR SMALL SIGNAL 2SC2412K NPN 200mW SOT 23 TP 1 3 SNA Q602 TR SMALL SIGNAL MMST2907A PNP 200mW SOT 23 TP 100 1 SNA R209 R301 R302 R401 R402 R CHIP 1Kohm 5 1 10W DA TP 2012 9 SNA R404 R602 R604 R610 R403 R407 R408 R CHIP 6 8Kohm 5 1 10W DA TP 2012 3 SNA R405 R406 R CHIP 330ohm 5 1 10W DA TP 2012 2 SNA R501 R601 R603 R605 R908 ...

Page 28: ...CTOR SMSW200 08 WHT 1 SNA 4 LED LAMP GRN SM3517F6T 2 SNA 5 LED LAMP ORG SO3517F6T 1 SNA 6 RESISTOR 470ohm 1 2W 2 SNA 7 MODULE REMOCON FRP4021H10 8 DIODE 1N4148 9 C CERAMIC 1nF 50V 10 C CERAMIC 100nF 50V 11 JUMPER 10mm 1 SNA No Q TY Remark Description Specification 7 3 ASS Y DISPLAY PCB DB93 02525B ...

Page 29: ...6 1 SNA 2 CONNECTOR HEADER BOX 3P 1R 2mm ANGLE SN 1 SNA 3 C CERAMIC MLC AXIAL 1nF 10 50V Y5P TP 1 9 x 3 5 1 SNA 4 DIODE SWITCHING 1N4148 100V 200mA DO 35 TP 1 SNA 5 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 3 5 x 1 1 SNA 6 MODULE FRP4021H10 1 SNA No Q TY Remark Description Specification ...

Page 30: ...29 Samsung Electronics 8 Wiring Diagram 8 1 Indoor Unit This Document can not be used without Samsung s authorization Code No DB98 09204A SC18AS0 ...

Page 31: ...Wiring Diagram Samsung Electronics 30 This Document can not be used without Samsung s authorization Code No DB98 06959A SC24AS6 ...

Page 32: ...ocument can not be used without Samsung s authorization 8 2 Outdoor Unit SC24AS6X Code No DB98 16120A Code No DB98 16119A MARK NAME MARK NAME 52C MAGNETIC CONTACTOR TB TERMINAL BLOCK C1 CAPACITOR FM1 FAN MOTOR F FUSE 2A 250V S SPARK KILLER ...

Page 33: ...Samsung Electronics 32 9 Schematic Diagram 9 1 Indoor Unit 9 1 1 18K 24K BTU AC PART This Document can not be used without Samsung s authorization ...

Page 34: ...33 Samsung Electronics Schematic Diagram 9 1 2 18K 24K BTU DC PART This Document can not be used without Samsung s authorization ...

Page 35: ...MEMO Samsung Electronics 34 ...

Page 36: ...MEMO 35 Samsung Electronics ...

Page 37: ...MEMO Samsung Electronics 36 ...

Page 38: ...e Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Feb 2004 Printed in Korea Code No DB98 16340A 1 ...

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