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Samsung AM26A1C13 Service Manual
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Samsung AM26A1C13 Service Manual

Samsung AM26A1C13 Service Manual

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SERVICE
AIR CONDITIONER
E DB68-31040A(5)
ROOM AIR CONDITIONER
INDOOR UNIT
AM26A1C13
AM18A1C09
Manual
OUTDOOR UNIT
UM26A1C2
UM18A1C2
CONTENTS

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Summary of Contents for Samsung AM26A1C13

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AM26A1C13 UM26A1C2 AM18A1C09 UM18A1C2 SERVICE Manual AIR CONDITIONER CONTENTS 1. Installation 2. Disassembly and Reassembly 3. Troubleshooting 4. Exploded Views and Parts List 5. Refrigerating Cycle Block Diagrams 6. Wiring Diagrams 7. Schematic Diagrams...

  • Page 2: Installation

    Pipe Size length height LIQUID GAS A-UNIT 1/4Ó 1/2Ó 15m(49ft 3in) 3m(9ft 10in) AM26A1C13 2. Connect the charging hose of low pressure side of B-UNIT 1/4Ó 1/2Ó 15m(49ft 3in) 3m(9ft 10in) Manifold gauge to the packed valve having a charging A-UNIT 1/4Ó...
  • Page 3 1-2 ÒPump downÓ Procedure 1. Confirm that both the 2-way and 3-way valves are set to the open position. (1) Remove the valve stem caps. (2) Be sure to use a hexagonal wrench to operate the Gas side valve stems. 2-Way Valve 2.

  • Page 4: Disassembly And Reassembly

    2. Disassembly and Reassembly Stop operation of the airconditioner and remove the power plug from the wall outlet before repairing the unit 2-1 Indoor Unit Parts Procedure Remark Front Grille 1) Stop the air conditioner operation and block the main power. 2) Seperate the tape of front.
  • Page 5 Parts Procedure Remark Filter Frame 1) Loosen the left and right screw of the Holder Filter, and Separate the Holder Filter. Ass'y Tray Drain 1) Do , above. Separate the holder at the rear side of Indoor unit. 2) Take the display PCB out. (Center of indoor unit).
  • Page 6 Parts Procedure Remark Heat Exchanger 1) Do " ", above. 1 2 3 4 2) Loosen the left screws of the heat exchanger. Lifting the heat exchanger up a little to push the up side for separation from the indoor unit Fan Motor and 1) Do "...
  • Page 7 2-2 Outdoor Unit Parts Procedure Remark Cabinet 1) Turn off the unit and remove the power cable <AM26A1C2> 2) 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 are fixed firmly.

  • Page 8: Troubleshooting

    3. Troubleshooting 3-1 Items to be checked first 1) Is the voltage of the power correct? The input voltage shall be rating voltage ±10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables.
  • Page 9 3-2 Fault Diagnosis by Symptom 3-2-1 No Power(completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA7812(IC01) normal? (11.5VDC-12.5VDC) (4) Is output voltage of DC regulator IC KA7805(IC02) normal? (4.5VDC-5.5VDC) 2) Troubleshooting procedure Remove power cord and plug in again in approx.
  • Page 10 3-2-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN73)(CN43)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN43)? (4) Is the running capacitor properly connected with the terminal? 2) Troubleshooting procedure After unplugging out the power cord should...
  • Page 11 3-2-3 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the POWER IN connector (terminal-tab) linked correctly? (4) Is the outdoor unit properly connected with the TERMINAL BLOCK connector(5P)? 2) Troubleshooting procedure (1) Checking procedures for the indoor unit.
  • Page 12 3-2-4 When the UP/DOWN Louver Motor Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? 2) Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is operating lamp blinking? Check as in the procedure "No Power parts".
  • Page 13 3-2-5 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) 1) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure ÒNO Power partsÓ. Refer to page 8. Ò...
  • Page 14 MEMO...

  • Page 15: Exploded Views And Parts List

    4. Exploded Views and Parts List 4-1 Indoor Unit (AM26A1C13, AM18A1C09)
  • Page 16 Parts List QÕTY Description Specification CODE NO Remark AM26A1C13 AM18A1C09 DB64-10140A GRILLE AIR INLET DB64-70073A PANEL CENTER DISPLAY DB63-30131A GUARD AIR FILTER DB63-10472B COVER TERMINAL HIPS DB92-70075E ASS«Y FRONT PANEL ASS«Y DB93-10560B ASS«Y DISPLAY PCB ASS«Y(EDGE) DB94-10088B ASS«Y TRAY DRAIN ASS«Y...
  • Page 17 4-2 Outdoor Unit 4-2-1 UM26A1C2...
  • Page 18 Parts List QÕTY Description Specification CODE NO Remark UM26A1C2 DB90-10163D ASS'Y-WELD FRONT SC-90073T DB72-50520A INSUL FRONT OUT Foam pu + Foam pE DB67-50067A FAN-PROPELLER AS+G/F20% DB31-00095B MOTOR-FAN OUT OSM-738SRC DB61-20094A BASE-MOTOR SGCC-M DB64-60134B CABINET-SIDE SECC-P DB72-60053A INSUL SIDE CABI FOAM PU + FOAM PE DB90-40120A ASS'Y COVER VALVE ASS'Y...
  • Page 19 4-2-2 UM18A1C2 10(101~10-6)
  • Page 20 Parts List QÕTY Description Specification CODE NO Remark UM18A1C2 DB90-10153J ASS'Y-WELD FRONT SC-90073J DB72-60034A INSUL FRONT FOAM-PU DB67-50063A FAN-PROPELLER AS+G/F20% DB31-00001A MOTOR-FAN OUT IC-9630SLF6J DB61-20008C BASE-MOTOR SGCC-M DB90-10615B ASSÕY CABINET-SIDE ASSÕY DB64-60130A CABI SIDE DB90-40168B ASSÕY-COVER-TERMINAL 94-5V DB90-20211A ASS'Y-BASE OUT ASHM-1807ER DB99-10064A ASS'Y-VALVE...
  • Page 21 4-3 Romote Control & PCB Box 4-3-1 Remote Control Parts List CODE NO Description Specification QÕTY Remark DB61-10144A CASE UP DB61-10145A CASE LOW DB64-20054A DOOR REMOCON DB63-10477A COVER BATTERY DB74-10084A FILTER REMOCON DB73-20110B RUBBER REMOCON SILICON INLAY LCD DB64-40166B INLAY REMOCON DB68-10775A LABEL REMOCON ART 90...
  • Page 22 4-3-2 PCB Box Parts List QÕTY CODE NO Description Specification Remark AM26A1C13 AM18A1C09 DB61-10151A CASE-CONTROL ABS(94-5V) DB93-10626A ASS'Y MAIN PCB ASSÕY MAIN PCB DB93-10626BA IC-MCY MB89635R-466 DB09-10149A DB32-10008D THERMISTOR-ASSÕY 103AT DE26-20154A TRANS-POWER AC230V DC17V 300mA 2306-000294 C-FILM CFS 99N 450VAC 155K...
  • Page 23 4-3-3 AssÕy Display & Module •DB93-10560B Parts List Description CODE-NO Specification QÕTY PCB - DISPLAY DB41-10204B FR-1 T1.6 W20 L170 LED - LAMP 0601-001333 LTL-30EHJ(ORG/GRN) LED - LAMP 0601-001059 SY5511 (YEL) LED - LAMP 0601-001060 SM5511 (GRN) LED - LAMP 0601-001196 SO5511 (ORG) MODULE REMOCON...

  • Page 24: Refrigerating Cycle Block Diagrams

    5. Refrigerating Cycle Block Diagram (UM26A1C2/UM18A1C2) INDOOR UNIT OUTDOOR UNIT Capillary tube 2-way valve Liquid side Heat exchanger (Condenser) Compressor-B Heat Gas side exchanger (Evaporator) 3-way valve Cooling Gas leak Compressor-A check point Refrigerating cycle temperature and pressure Piping Temp.(ûF) Use Temp.

  • Page 25: Wiring Diagrams

    6. Wiring Diagrams 6-1 Indoor Unit...
  • Page 26 6-2 Outdoor Unit ENGLISH ESPANOL FRANCAIS ITALIANO NEGRO NOIR NERO ROJO ROUGE ROSSO BLANCO BLANC BIANCO AMARILLO JAUNE GIALLO UM26A1C2 FAN MOTOR : 3.5µF/450VAC CAPACITOR COMP MOTOR : 25µF/450VAC UM18A1C2 FAN MOTOR : 2.5µF/450VAC CAPACITOR COMP MOTOR : 20µF/450VAC...

  • Page 27: Schematic Diagrams

    7. Schematic Diagrams 7-1 Indoor Unit...
  • Page 28 ELECTRONICS...

This manual is also suitable for:

Am18a1c09Um26a1c2Um18a1c2