Samsung ASA24C5 Service Manual Download

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Samsung Electronics

9-2

Wiring Diagrams

■

SC18AC9(0) / ASA18C9(0)ME

DB98-05464A(1)-2 4/18/02 8:03 PM Page 9-2

Summary of Contents for ASA24C5

Page 1: ...s and Installation 4 Disassembly and Reassembly 5 Troubleshooting 6 Exploded Views and Parts List 7 Block Diagrams 8 PCB Diagrams 9 Wiring Diagrams 10 Schematic Diagrams ROOM AIR CONDITIONER INDOOR AS...

Page 2: ...cord and avoid tapping into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power me...

Page 3: ...MEMO Samsung Electronics 1 2...

Page 4: ...ng kg ASA24C5 6 ME SC24AC5 6 Cooling only 220 240V 50Hz 6 90 23 500 14 0 3 2 198 264 11 6 2 50 95 0 9 4 59 Microprocessor I C Thermistor Wireless remote control Q Timer 24 Hour ON or OFF 3 Steps and T...

Page 5: ...Compressor model Normal output W Comperssor oil kind Comperssor oil cc Oil Specific gravity Coil resistance Ambient temp 25 C Safety devices Type Overloal relay Operating temp Open C Close C Operatin...

Page 6: ...2 3 Samsung Electronics 2 3 Dimensions 2 3 1 Indoor Unit 275 1080 Remote control 22 45 115 The feature is subject to be varied as a model Front view Installation plate 204 Rear view...

Page 7: ...Samsung Electronics 2 4 Product Specifications 18K BTU Front view Rear view 320 620 582 787 340 2 3 2 Outdoor Unit 24K BTU Front view Rear view 310 638 660 880...

Page 8: ...ssure Graph 24K BTU 10 9 8 7 6 20 25 30 35 Outdoor drybulb temp deg C Low Pressure kg cm 2 G 40 30 6 22 5 27 19 21 5 14 6 10 9 8 7 6 20 25 30 35 Outdoor drybulb temp deg C Low Pressure kg cm 2 G 40 30...

Page 9: ...MEMO Samsung Electronics 2 6...

Page 10: ...atically after a given period of time that is from 30 minutes to 24 hours To cancel the On Time press the Set Cancel button The Off Timer enables you to switch off the air conditioner automatically af...

Page 11: ...automatically 5 SLEEP MODE Sleep mode is available only in COOL or mode The operation will stop after 6 hours In COOL mode The setting temperature is automatically raised by 1 C each 1hour When the te...

Page 12: ...air Conditioner is turned OFF at a specified time using ON TIMER Only timer LED lights on OFF TIMER Both timer and operation LED lights on 10 SELF Diagnosis 11 BUZZER SOUND Whenever the ON OFF button...

Page 13: ...unted in a high place 3 Make sure that you install the outdoor unit in area providing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air...

Page 14: ...n hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Putty Clamper tube Installation plate Installation tube Screw Vinyl tape Drain hose Piping may be laid to the rear left right...

Page 15: ...project by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a manner appropriate to the weight of...

Page 16: ...er right and left sides of the indoor unit 3 Remove the screw securing the connector cover 4 Pass the assembly cable through the rear of the indoor unit and connect the assembly cable to terminals N1...

Page 17: ...tre extension to the drain hose 2 If you are using the extension insulate the inside part of the extension drain hose with a shield 3 Pass the drain hose under the refrigerant piping taking care to ke...

Page 18: ...ss is possible Main Outdoor unit power cords are connected to upper lower terminal of auxiliary power S W Indoor unit connector wire should be connected to both indoor unit connector and outdoor unit...

Page 19: ...pe cutter Tools used 2 Remove burrs at the tip of the pipe cut Caution Burrs not removed may result in leakage of gas 3 Insert a flare nut into the pipe and modify flare Unproper flaring Outer diamete...

Page 20: ...way valve s stem nuts and from the service port cap 5 Set valve cork of both liquid side and gas side of packed valve to the open position 2 Connect the charging hose of low pressure side of manifold...

Page 21: ...way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Re...

Page 22: ...e 160 300 500 700 200 350 550 750 Fixing Torque Final Torque Torque kg cm Connection Pipe Length 5m Max 5 15 20 m Air Purge Method Refer to the detailed Air Purge Procedure Refrigerant Adjustment Unne...

Page 23: ...connected to the outdoor unit At this time cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering 6 Make sure you do not bend the connecti...

Page 24: ...ond finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and seperate the terminal cover 6 Loosen three fix...

Page 25: ...dy 1 Do 1 2 above 2 Take all the connector of PCB upper side out Inclusion Earth Wire 3 Separate the outdoor unit connection wire from the terminal block 4 If pulling the Main PCB up it will be taken...

Page 26: ...dure Remark 5 Fan Motor and Cross Fan 1 Do 1 2 3 4 above 2 Loosen the fixing three screws and separate the motor holder 3 Loosen the fixing screw of fan motor By use of M3 wrench 4 Separate the fan mo...

Page 27: ...Remove the top cover 3 Remove the control box cover 4 Unplug the ass y cable 5 Remove the cabi side 6 Remove the cabi front When you assemble the parts check if the each parts and electric connectors...

Page 28: ...mode 5 The compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the r...

Page 29: ...the micom normal Is voltage at 17 terminal of the Micom normal 0VDC Is voltage at 16 terminal of the Micom normal 5VDC Is the rating Voltage 10 range applied to the between 1 and 3 of CN78 Check linka...

Page 30: ...ng procedure After unplugging out the power cord should be reconnected within five seconds Does the operating lamp blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan...

Page 31: ...econds Does the operating lamp blink YES YES YES NO NO NO NO YES NO Outdoor unit is out of order Power relay is out of order Power relay should be replaced Refer to replace PCB module PCB is out of or...

Page 32: ...edure Remove power cord and plug in again in approx 5 seconds Is operating lamp blinking Does operation start when swing button of the remote control unit pushed Voltage at pin 1 4 of micom ICO4 chang...

Page 33: ...module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage of battery less than 2 5V...

Page 34: ...ace PCB module 5 3 1 Replace PCB module Remove power cord Replace the PCB module Check the connection and plug in Does all display lamp blink or STD lamp blink Replace another PCB module Refer to set...

Page 35: ...on option set The Method for Setting up the model option with remocon Note In case the wrong letter has been selected continue to press the button until the correct letter appears 1st If the first sta...

Page 36: ...p 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 first LED lamp on the left side is fl...

Page 37: ...TEMS REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 ASA24C5ME SC24AC5 ASA24C6ME SC24AC6 ASA18C9ME SC18AC9 ASA18C0ME SC18AC0 0 0 0 0 9 8 9 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 38: ...its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish...

Page 39: ...1 about DC 325 v 10 3 DC voltage at IC02 IN GND DC12 v OUT GND DC5 v 4 Voltage waveform at Q201 collector GND squarewave Voltage check 1 Voltage of IC06 1 COOL PIN 40 PIN 41 or PIN 42 1 HEAT PIN 40 PI...

Page 40: ...MEMO 5 13 Samsung Electronics...

Page 41: ...6 1 6 Exploded Views and Parts List 6 1 Indoor Unit 1 2 4 1 1 6 2 6 3 13 5 10 11 14 12 15R 17R or 16R 17 8 7 9 9 1 3 3 3 2 3 3 1 6 1 6 1 6R You can search for the updated part code number through the...

Page 42: ...MOTOR ASSY 1 1 6 2 DB66 00104A BLADE H ABS 1 1 7 DB96 01125B ASSY EVAPORATOR PLATE 1 2 5 8 1 DB96 01125E ASSY EVAPORATOR SLIT 1 5 1 2 1 8 DB67 00058A SPACER EVAP PVC 1 1 9R DB90 00433R ASSY HOLDER MOT...

Page 43: ...Samsung Electronics 6 3 15 14 10 9 5 3 2 4 11 1 6 7 16 8 15 1 15 2 15 3 15 5 13 13 1 12 4 12 5 17 12 2 12 1 12 12 3 18 1 18 18 2 18 3 18 4 18 5 6 2 Outdoor Unit 6 2 1 18K BTU...

Page 44: ...82A GROMMET ISOLATOR NR 3 12 2 DB60 30028A NUT WASHER M8 3 12 3 DB60 30018A NUT FLANGE M5 12 4 DB63 00450A COVER TERMINAL POLYCARBONATE 1 12 5 DB63 00451A COVER BUSHING POLYCARBONATE 1 13 DB96 01668A...

Page 45: ...Samsung Electronics 6 5 Exploded Views and Parts List 4 3 13 1 15 1 15 2 15 3 15 5 15 15 6 15 4 14 7 6 5 16 8 19 13 17 9 10 2 1 11 12 1 12 2 12 4 12 5 12 12 3 6 2 2 24K BTU 18 1 18 18 2 18 3 18 4 18 5...

Page 46: ...3 12 2 DB60 00028A NUT WASHER M8 3 12 3 DB63 00450A COVER TERMINAL POLYCARBONATE 1 12 4 DB63 00451A COVER BUSHING POLYCARBONATE 1 13 DB96 01668B ASSY TUBE SUCTION ASSY 1 13 1 DB62 00899A VALVE SERIVCE...

Page 47: ...Samsung Electronics 6 7 6 3 Remote Control PCB Box 6 3 1 Remote Control DB93 00251K 1 Parts List No 1 Description ASS Y PCB REMOCON BATTERY COVER Specification ARC 406 Q TY 1 Remark...

Page 48: ...o 1 2 3 4 PD SH30ZC 01 PE S1452R 00 DB32 00027B DB93 00926A DB39 00172A ASS Y MAIN PCB ASS Y MAIN PCB ASS Y THERMISTOR ASS Y PCB DISPLAY CONNECTOR WIRE DISPLAY ASS Y ASS Y 103AT 240 240 ASS Y AWG 26 1...

Page 49: ...MEMO Samsung Electronics 6 9...

Page 50: ...1 Refrigerating Cycle Block 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 exchange...

Page 51: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB 8 1 1 Indoor Unit PD SH30ZC 00 01 SC24AC5 6...

Page 52: ...470OHM 5 1 4W AA TP 2 4X6 4MM 1 30 R206 501 502 601 604 606 902 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 7 31 R201 207 208 401 403 408 603 605 608 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 9 32 R910 911 912...

Page 53: ...Samsung Electronics 8 3 8 2 Main PCB 8 2 1 Outdoor Unit PE S1452R 00 SC18AC9 0...

Page 54: ...25 IC03 IC KA7533Z 26 X501 RESONATOR CERAMIC 4MHz 27 IC05 06 IC DRIVE KID65003AP 28 Q401 601 602 TR GENERAL KSC945Y 29 Q603 TRANSISTOR A708Y 30 Q901 902 TRANSISTOR R2002 31 CN73 CONNECTOR WAFER YW396...

Page 55: ...Description Specification Q TY PCB DISPLAY MODULE REMCOON TACT SWITCH C CERAMIC C CERAMIC DIODE SWITCHING R CARBON JUMP WIRE CONNECTOR WAFER CONNECTOR WAFER 1 2 3 4 5 6 7 8 9 10 FR 1 T1 6 KSM 713TH5...

Page 56: ...9 1 Samsung Electronics 9 Wiring Diagrams 9 1 Indoor Unit SC24AC5 6 ASA24C5 6 ME...

Page 57: ...Samsung Electronics 9 2 Wiring Diagrams SC18AC9 0 ASA18C9 0 ME...

Page 58: ...3 Samsung Electronics 9 2 Outdoor Unit USA24C5 6 ME SC24AC5 6 X MARK NAME MARK NAME PR POWER RELAY TB1 2 TERMINAL BLOK C1 CAPACITOR FM1 FAN MOTOR F FUSE 2A 250V S SPARK KILLER USA18C9 0 ME SC18AC9 0...

Page 59: ...Samsung Electronics Samsung Electronics 10 2 10 1 10 Schematic Diagrams 10 1 Indoor Unit SC24AC5 6 ASA24C5 6 ME...

Page 60: ...Schematic Diagrams 10 4 Samsung Electronics Schematic Diagrams Samsung Electronics 10 3 SC18AC9 0 ASA18C9 0 ME...

Page 61: ...Schematic Diagrams 10 6 Samsung Electronics Schematic Diagrams Samsung Electronics 10 5 SC18AC9 0...

Page 62: ...MEMO Samsung Electronics 10 7...

Page 63: ...u need more information please see the service website Itself Solution Integrated technology supporting electronic library http itself sec samsung co kr Copyright 2002 By Samsung Electronics Co Ltd Al...

Page 64: ...ELECTRONICS Samsung Electronics Co Ltd Apr 2002 Printed in Korea Code No DB98 05464A 1...

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