Samsung ASA07C5(6)ME Service Manual
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Samsung ASA07C5(6)ME Service Manual

Samsung ASA07C5(6)ME Service Manual

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SERVICE
AIR CONDITIONER

ROOM AIR CONDITIONER

INDOOR UNIT
ASA07C5(6)ME
SC07AC5(6)
ASA09CA(B)ME
SC09ACA(B)
ASA12CA(B)ME
SC12ACA(B)
Manual
1. Precautions
2. Product Specifications
3. Operating Instructions 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
OUTDOOR UNIT
USA07C5(6)ME
SC07AC5(6)X
USA09CA(B)ME
SC09ACA(B)X
USA12CA(B)ME
SC12ACA(B)X
CONTENTS

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Summary of Contents for Samsung ASA07C5(6)ME

  • Page 1: Room Air Conditioner

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT ASA07C5(6)ME USA07C5(6)ME SC07AC5(6) SC07AC5(6)X ASA09CA(B)ME USA09CA(B)ME SC09ACA(B) SC09ACA(B)X ASA12CA(B)ME USA12CA(B)ME SC12ACA(B) SC12ACA(B)X Manual SERVICE AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Operating Instructions and Installation 4. Disassembly and Reassembly 5. Troubleshooting 6.

  • Page 2: Precautions

    Relocate the unit if necessary. 9. Keep children away from the unit while it is being repaired. Fig. 1-3 No Kids Nearby! 10. Be sure to clean the unit and its surround- ing area. Fig. 1-4 Clean the Unit Samsung Electronics...
  • Page 3 MEMO Samsung Electronics...

  • Page 4: Product Specifications

    2. Product Specifications 2-1 Table ASA07C5(6)ME ASA09CA(B)ME ASA12CA(B)ME Model SC07AC5(6) SC09ACA(B) SC12ACA(B) Item Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Wall-mounting Wall-mounting Wall-mounting Type Cooling 2.34 2.83 3.50 Dehumidifying Air volume Cooling /min Perfor- mance...
  • Page 5 2-2 Dimensions 2-2-1 Indoor Unit (Front view) Air out (Remote control) Installation plate Samsung Electronics...
  • Page 6 Product Specifications 2-2-2 Outdoor Unit USA12CA(B)ME USA09CA(B)ME SC12ACA(B)X SC09ACA(B)X USA07C5(6)ME SC07AC5(6)X Samsung Electronics...

  • Page 7: Pressure Graph

    2-3 Pressure Graph ASA07C5(6)ME SC07AC5(6) 30.6/22.5 27/19 21.5/14.6 Outdoor drybulb temperature [deg C] ASA09CA(B)ME SC09ACA(B) 30.6/22.5 27/19 21.5/14.6 Outdoor drybulb temperature [deg C] ASA12CA(B)ME SC12ACA(B) 30.6/22.5 27/19 21.5/14.6 Outdoor drybulb temperature [deg C] Samsung Electronics...

  • Page 8: Operating Instructions And

    To select the 5 way function with the remote control, press the 5 way button one or more times until the desired mode is selected. Each time you press the 5 way button. Each 5 way indicator on the indoor unit comes on in order. Samsung Electronics...
  • Page 9 Each mode has Auto, Cool and SLEEP oper- operation mode is canceled and returned to ation designed in advance. the previous mode. *But, if you press the TURBO button in DRY or FAN mode that is changed with AUTO mode automatically. Samsung Electronics...
  • Page 10 : LED off blinking 11. BUZZER SOUND : Whenever the ON/OFF button is pressed or whenever change occurs to the condition which is set up or select, the compulsory operation mode, buzzer is sounded "beep". Samsung Electronics...
  • Page 11 It is harmful to the air conditioner if it is used in the following environments: greasy areas (including areas near machines), salty areas such as coast areas, areas where sulfuric gas is present such as hot spring areas. Contact your dealer for advice. Samsung Electronics...

  • Page 12: Installation Diagram Of Indoor Unit And Outdoor Unit

    “H”metere s maximum Remote control Remote control holder Model ** 7 ** ** 9 ** ** 12 ** Piping (Liquid) 1/4" Putty Clamper tube 7K/9K BTU Piping(Gas)3/8” 12K BTU Installation plate Installation tube Screw Vinyl tape Drain hose Samsung Electronics...
  • Page 13 Result : All inert gas escapes from the indoor unit. • To prevent dirt or foreign objects from getting into the pipes during installation, do NOT remove the caps completely until you are ready to connect the piping. Samsung Electronics...
  • Page 14 4. Pass the drain hose through the hole in the wall, making sure that it is sloping downwards, as shown in the illustrations above. The hose will be fixed permanently into position once Shield the whole installation has been tested for gas leaks; Drain hose Extension drain hose Samsung Electronics...
  • Page 15 5. Assemble the cover-E parts. 6. To prevent the entry of water, form a trap of the ass'y cable as illustrated in the installation dia- gram of indoor and outdoor unit. Ass’y cover valve (RO Hand cabi, RH) N1 1 Samsung Electronics...
  • Page 16 And mount the service port cap to 3-way valve. (liquid) 7. Check for gas leakage. (gas) - At this time, especially check for gas leakage from the 3-way valve’s stem nuts, and from the service port cap. Stem cap Samsung Electronics...
  • Page 17 R410A 7. Stop operation of the air conditioner. 8. Close the 3-way valve, disconnect the pressure gauge, and open the 3-way valve again. 9. Close the cap of each valve. 3-10 Samsung Electronics...
  • Page 18 1m. state) for every 1m. 3-2-2(i) Flare nut fixing torque Torque (kg-cm) Outter diameter Fixing Torque Final Torque ø 6.35 (9000Btu, 12000Btu) (Liquid Side) ø 9.52 (9000Btu) (Gas Side) ø 12.7 (12000Btu) (Gas Side) Samsung Electronics 3-11...
  • Page 19 At this time, cover the pipe of the indoor 8. Remove the mounting plate for the indoor unit and the other pipe using a cap or vinyl unit and move it to a new location. plug to avoid foreign material entering. 3-12 Samsung Electronics...

  • Page 20: Disassembly And Reassembly

    7) Pull the upper left and right of discharge softly for the outside cover to be pulled out. 8) Pull softly the lower part of discharge and push it up. Caution; Assemble the front panel and fix the hooks of left and right. Samsung Electronics...
  • Page 21 2) Loosen the fixing two screws and separate the motor holder. 3) Loosen the fixing screw of fan motor. (By use of M3 wrench) 4) Separate the fan motor from the fan. 5) Separate the fan from the left holder bearing. Samsung Electronics...
  • Page 22 Handle-Cabi RH. 2) Separate the connection wire from the terminal block. 3) Loosen 6 fixing screws and separate the upper cabinet. 4) Loosen the fixing screw of Ass'y E-part. 5) Loosen 5 fixing screws and separate the side cabinet. Samsung Electronics...
  • Page 23 1) Do “1”, “2”, “3” above. Compressor 2) Open the terminal cover of compressor and unscrew the connection terminal. 3) Disassemble the inlet and outlet pipe of compressor by welding. 4) Loosen the three bolts of the lower part. 5) Separate the compressor. Samsung Electronics...
  • Page 24 Upper. 4) Loosen two fixing screws of Ass'y E-part. 5) Loosen nine fixing screws and separate the cabi side. 1) Do “1”, above. Fan and Motor 2) Losen four serews and seperaate Guard Fan from front cabinet Samsung Electronics...
  • Page 25 3) Disassemble the inlet and outlet pipe of com- pressor by welding. 4) Disassemble the inlet and outlet pipe of con- denser by welding 5) Loosen the three bolts of the lower part. 6) Separate the compressor. Samsung Electronics...

  • Page 26: Troubleshooting

    Indoor unit heat exchanger temperature sensor Error (open or short) BIO LED blinking (1Hz) Indoor fan malfunctioning (for spead is Below 450rpm) STD, BIO and TIMER LED blinking(1HZ) EEPROM Error All LED blinking(1HZ) Option Error (option wasn’t setup or option data error) Samsung Electronics...

  • Page 27: Fault Diagnosis By Symptom

    Check PCB pattern. Replace ICO2 Replace main PCB. 10ms Is voltage output terminal of PC814(PC02) normal? Are voltage at #11 and #12 of the micom normal? Replace resonator (X301) 250ns Replace PC814(pc02) Is operation normal? Replace micom Samsung Electronics...
  • Page 28 Test rod location Normal voltage PCB CN72 Condition Fan operate about AC 180V pin #3 and #5 MF-C is out of order Replace MFC Fan motor Fan motor should be replaced. is out of order. Samsung Electronics...
  • Page 29 Power relay should be Is rating voltage ±10% range applied relay between Terminal block out of order replaced. NO(N1) and No. 1 Outdoor unit is out of order. Is the room sensor normal register? 10°C 20°C 30°C 17.96kΩ 12.09kΩ 8.3kΩ Samsung Electronics...
  • Page 30 After training on, the Cooling operation should Normal start in five minutes. Is the number #33 of Micom (IC04) DC 5.0 V? Abnormal Micom Abnormal IC06 Is the number checking #10 of IC06 (ULN2003AFW) LOW? RY01 or Cable Check. PCB should be replaced. Samsung Electronics...
  • Page 31 Voltage at PIN #30 of Remocon Micom change? Voltage at collecter of Q601 or Q602 change? Q601(C4375Y) or Q602(C1623Y) is faulty. IR LED(CL-1L5EU) is faulty. Voltage at pin #26 of micom (IC04) change (INDOOR UNIT)? Receiver module is faulty. Micom (IC04) is faulty. Samsung Electronics...
  • Page 32 5-3-2 Procedure The parts should be replaced in the following procedure. Check for any faulty part. Detach the faulty part. Replace it with a new part. Check the operation of the new part. The repair is completed. Samsung Electronics...
  • Page 33 Voltage check SMPS circuit is faulty 1. check voltage of IC06 IC06 is faulty (pin#10,pin#8) Set the TURBO mode : relay on 0.7[v] : relay off 12[v] 2. Voltage at terminal block RY71 is faulty ((N1) -1) rating voltage Samsung Electronics...

  • Page 34: Fault Diagnosis Of Major Parts

    350Ω ±10% 340Ω ±10% 340Ω ±10% Out Power ∞, OΩ … open or short Abnormal Measure resistance between red wire and each terminal. Normal Approx. 300Ω at ambient temperature (20°C ~30°C) ∞, OΩ … open or short Abnormal Samsung Electronics...

  • Page 35: Set Up The Model Option

    $ When pressing the button appear on the display, select one of them. % When pressing the button appear on the display, select one of them. ^ When pressing the button appear on the display, select one of them. 5-10 Samsung Electronics...
  • Page 36 If all lamps of indoor unit are flickering, Plug out and plug in again and pressing ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for it’s model. Samsung Electronics 5-11...
  • Page 37 Troubleshooting <Table of the option code> MODEL OPTION CODE ASA12CAME 030000-170340 SC12ACA ASA12CBME 020000-170340 SC12ACB ASA09CAME 030000-1700Fb SC09ACA ASA09CBME 020000-1700Fb SC09ACB ASA07C5ME 030000-1700C8 SC07AC5 ASA07C6ME 020000-1700C8 SC07AC6 5-12 Samsung Electronics...
  • Page 38 MEMO Samsung Electronics 5-13...

  • Page 39: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit 20-6 20-6-1 20-1 20-4 20-5 20-3 20-2 13-2 13-3 13-4 13-1 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 40 Exploded Views and Parts List Parts List Q’TY CODE NO Description Remark ASA12CA(B)ME ASA09CA(B)ME ASA07C5(6)ME SC12ACA(B) SC09ACA(B) SC07AC5(6) DB64-00354A GRILLE AIR INLET DB63-00064A GUARD-AIR FILTER DB95-00287G FILTER CLEANER ASS´Y DB63-00067A COVER TEMINAL DB92-00248A ASS´Y PANEL DB67-00051A SPACER EVAP LOW DB67-00032A...
  • Page 41 6-2 Outdoor Unit • USA12CA(B)ME • SC12ACA(B)X • USA09CA(B)ME • SC09ACA(B)X Samsung Electronics...
  • Page 42 M5, SM20C DB96-01457G ASS´Y-CAPILLARY ASS’Y(1.5 x 800) DB96-01457H ASS´Y-CAPILLARY ASS’Y(1.42 x 700) DB96-01620A ASS´Y COND ASS’Y(SF) DB96-01533A ASS´Y COND ASS’Y DB90-00634A CABINET SIDE ASS’Y(BENDING) DB63-10443C HANDLE CABI, RH DB90-00635B ASS´Y BASE OUT ASS´Y DB90-00635A ASS´Y BASE OUT ASS´Y Samsung Electronics...
  • Page 43 Exploded Views and Parts List • USA07C5(6)ME • SC07AC5(6)X Samsung Electronics...
  • Page 44 ASS´Y TUBE CAPILLARY ID1.42 x 900 17-1 DB62-40039A VALVE-SERVICE 1/4INCH, HFC DB62-01076A ASS´Y -SUCTION ASS’Y 18-1 DB62-00896A VALVE-SERVICE 3/8INCH, HFC DB62-01075A ASS´Y -DISCHARGE C1220T-0 DB96-01287A ASS´Y COND 1.5 LOUVER DB64-60171C CABINET-SIDE SECC-P, T 0.8, A-P/J DB63-10169E COVER-E, PARTS ASS’Y SC-90073R Samsung Electronics...
  • Page 45 6-3 Remote Control & PCB Box 6-3-1 ASS’Y REMOCON : DB93-00251K Parts List Description Q’TY Remark INLAY LCD CASE TOP KEY RUBBER ASS’Y PCB REMOCON CASE LOW BATTERY COVER Samsung Electronics...
  • Page 46 ASS’Y DISPLAY PCB DB93-00927A CONNECTOR WIRE PCB U/D HOLDER WIRE CLAMP SCREW PH, M3 x L20 SCREW TH + M4 x L16, ZPC(YEL), SWRCH HOLDER CLAMP IN SEAL PANEL FRONT RH SEAL H/CONTROL FRONT ASS’Y THERMISTOR 4P(2mm PITCH), 103AT Samsung Electronics...
  • Page 47 MEMO Samsung Electronics...

  • Page 48: Block Diagrams

    7. Block Diagrams 7-1 Refrigerating Cycle Block Diagram INDOOR UNIT OUTDOOR UNIT Capillary tube 2-way valve Liquid side Heat Heat exchanger exchanger (Evaporator) (Condenser) Gas side 3-way valve Cooling Compressor Gas leak check point Samsung Electronics...

  • Page 49: Pcb Diagrams

    8. PCB Diagrams 8-1 ASS’Y MAIN PCB;DB93-01018A TOP PATTERN Samsung Electronics...
  • Page 50 R402 R-CHIP MCR10EZHJ472 R108, R603, R901 R-CHIP MCR10EZHJ102 R201, R207, R208, R301, R401, R403, R408, R601, R607, R608 R-CHIP MCR10EZHJ561 R606 R-CHIP MCR10EZHJ471 R105, R604, R605 R-CHIP MCR10EZHJ331 R405, R407 R-CHIP MCR10EZHJ221 R106, R107 RELAY-MINIATURE F3AA012E RY72, RY73 Samsung Electronics...
  • Page 51 8-2 ASS’Y MAIN PCB;DB93-00437A BOTTOM PATTERN Samsung Electronics...
  • Page 52 64.5x53 MODULE REMOCON RM01 KSM-713TH5 TACT SWITCH SW01 KPT-1105A C-CERAMIC 102K C-CERAMIC 104Z DIODE SWITCHING IN4148 R-CARBON R01, R02, R03 470 1/2W 5% JUMP 10mm CONNECTOR WAFER CN02 SMAW200-05 CONNECTOR WIRE CN01 UL1007, AWG#26 8-4 ASS’Y CENTER DISPLAY;DB93-00859A Samsung Electronics...
  • Page 53 MEMO Samsung Electronics...

  • Page 54: Wiring Diagrams

    9. Wiring Diagrams 9-1 Indoor Unit CODE NO. : DB98-03815A Samsung Electronics...
  • Page 55 9-2 Outdoor Unit DIAGRAM-OUTDOOR C1 : MOTOR CAPACITOR DB68-01625A C2 : COMP CAPACITOR Samsung Electronics...
  • Page 56 MEMO Samsung Electronics...

  • Page 57: Schematic Diagrams

    10. Schematic Diagrams 10-1 Indoor Unit 10-1 Samsung Electronics Samsung Electronics 10-2...
  • Page 58 MEMO 10-3 Samsung Electronics...
  • Page 59 Itself Solution Integrated technology supporting electronic library http://itself.sec.samsung.co.kr Copyright © 2002 By Samsung Electronics Co., Ltd. All rights reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co., Ltd.
  • Page 60 ELECTRONICS © Samsung Electronics Co., Ltd. Apr. 2002. Printed in Korea. Code No. DB98-04445A(1)

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