Samsung AM27A1C07 Service Manual

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Owner's instructions & installation manual (46 pages)

Owner's instructions & installation manual (46 pages)

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SERVICE

AIR CONDITIONER

E DB68-31039A(5)

ROOM AIR CONDITIONER

INDOOR UNIT

AM27A1C07

AM27A1C13

Manual

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

Index

OUTDOOR UNIT

UM27A1C3

CONTENTS

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Summary of Contents for Samsung AM27A1C07

Page 1: Table Of Contents
Index ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AM27A1C07 UM27A1C3 AM27A1C13 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
Index 1. Installation 1-1 Refrigerant Refill Procedure ¥ Refill the refrigerant according to the criteria for pipeline lengths of the unit A and B as shown in the right table at the time of initial installation. ¥ Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using. ¥...
Page 3 Index 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.
Page 4: Disassembly And Reassembly
Index 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.
Page 5 Index 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 Index Parts Procedure Remark Heat Exchanger 1) Do " 1 2 3 4 ", above. 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 Index 2-2 Outdoor Unit Parts Procedure Remark Cabinet 1) Turn off the unit and remove the power cable 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
Index 3. Troubleshooting 3-1 Items to be checked first 1) The input voltage should be rating Voltage ±10% range. The air conditioner may not operate properly if the voltage is out of this range. 2) The indoor unit and the outdoor unit shall be linked by 4 cables. Check the terminals if the indoor unit and outdoor unit are properly linked by the same num- ber of cables.
Page 9 Index 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) Are connections between primary side, secondary side of the power transformer and PCB good. (4) Is output voltage of DC regulator IC KA7812(IC01) normal? (11.5VDC-12.5VDC) (5) Is output voltage of DC regulator IC KA7805(IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure...
Page 10 Index 3-2-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is input voltage normal? (2) Is the indoor unit fan properly connected(CN73)(CN43)? (3) Is the starting codenser CR 71 properly soldered? (4) Is HALL IC in indoor fan motor properly connected(CN43)? (5) When in operation mode, does the indoor unit fan operate? 2) Troubleshooting procedure Remove power cord and plug in again in approx.
Page 11 Index 3-2-3 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) 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 CONNECTOR-WIRE OUTDOOR linked correctly? (4) Is the indoor unit wire properly connected with the outdoor unit wire? Troubleshooting procedure Remove power cord and plug in again in approx.
Page 12 Index 3-2-4 When the UP/DOWN Louver Motor Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Check as in the procedure Is operating lamp blinking in 3 minutes and then lamp off? "No Power parts".
Page 13 Index 3-2-5 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) 1) Checklist : (1) Is operation selector switch of the indoor unit set at "REMOTE"? 2) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds. Check as in the procedure "No Power Is operating lamp blinking in 3 minutes and then lamp off? parts".
Page 14 Index ME MO...
Page 15: Exploded Views And Parts List
Index 4. Exploded Views and Parts List 4-1 Indoor Unit...
Page 16 Index Parts List QÕTY Remark CODE NO Description Specification AM27A1C07 AM27A1C13 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 Index 4-2 Outdoor Unit 5(5-1) 11(11-1~11-2) 10(10-1~10-5) 13(13-1~13-5)
Page 18 Index Parts List CODE NO Description Specification QÕTY Remark DB90-10163D ASS'Y-WELD FRONT SC-90073T DB72-50520A INSUL FRONT OUT Foam pu + Foam pE DB67-50067A FAN-PROPELLER AS+G/F20% DB31-00095A 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 Index 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...
Page 20 Index 4-3-2 PCB Box Parts List QÕTY CODE NO Description Specification Remark AM27A1C07 AM27A1C13 DB61-10136A CASE-CONTROL DB93-10626A Ass'y main PCB Ass'y main PCB DB93-10626B DB09-10149A Micom MB89635R-466 DB32-10008D Thermistor-EVAP 103AT DE26-20154A Trans-power AC230V DC17V 300mA C-film CFS 99N 450VAC 155K...
Page 21 Index 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 22: Refrigerating Cycle Block Diagrams
Index 5. Refrigerating Cycle Block Diagram OUTDOOR UNIT INDOOR UNIT Refrigerating cycle temperature and pressure Piping Temp.(ûF) Use Temp. Condition (ûF) STD Pressure Operating Condition (psi) Indoor Outdoor 3-WAY V/V Standard 64~78 50~54 50~54 Cooling Max over load 61~64 61~64 Low temp 34~39 34~39...
Page 23: Wiring Diagrams
Index 6. Wiring Diagrams 6-1 Indoor Unit...
Page 24 Index 6-2 Outdoor Unit ENGLISH ESPANOL FRANCAIS ITALIANO NEGRO NOIR NERO ROJO ROUGE ROSSO BLANCO BLANC BIANCO AMARILLO JAUNE GIALLO FAN MOTOR : 4.0µF/450VAC CAPACITOR COMP MOTOR : 25µF/420V...
Page 25: Schematic Diagrams
Index 7. Schematic Diagrams 7-1 Indoor Unit...
Page 26 Index 7-2 Outdoor Unit...
Page 27 Index ELECTRONICS...

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Am27a1c13 Um27a1c3