Samsung UM27A1C3 Service Manual Download Page 1

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SERVICE

Manual

CONTENTS

AIR CONDITIONER

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

ROOM AIR CONDITIONER

INDOOR UNIT
AM27A1C07
AM27A1C13

OUTDOOR UNIT
UM27A1C3

E DB68-31039A(5)

1-31039A(5)-CO 4/17/01 5:35 PM Page 1

Index

Summary of Contents for UM27A1C3

Page 1: ...d Reassembly 3 Troubleshooting 4 Exploded Views and Parts List 5 Refrigerating Cycle Block Diagrams 6 Wiring Diagrams 7 Schematic Diagrams ROOM AIR CONDITIONER INDOOR UNIT AM27A1C07 AM27A1C13 OUTDOOR UNIT UM27A1C3 E DB68 31039A 5 1 31039A 5 CO 4 17 01 5 35 PM Page 1 Index ...

Page 2: ...f the refrigerant is put in too quickly compressor will be damaged 5 Stop operation of the air conditioner 6 Disconnect the charge hose of manifold gauge 7 Close the cap of each valve 2 Connect the charging hose of low pressure side of Manifold gauge to the packed valve having a charging port 1 2Ó Packed valve as shown at the right figure Piping length and the height Additional refrigerant charge ...

Page 3: ...at the Trubo Mode So that the unit can be operated 7 Disconnect the charge set and mount the both 3 way valveÕs stem nuts and the service port cap Relocation of the air conditioner Refer to this procedure when the unit is relo cated 1 Carry out the pump down procedure refer to the details of Ôpump downÕ 2 Remove the power cord 3 Disconnect the assembly cable from the indoor and outdoor units 4 Rem...

Page 4: ...e second 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 seper ate the terminal cover 6 Open the cover screw and loosen three fixing screws of front grille 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 ...

Page 5: ...ake the display PCB out Center of indoor unit 3 Loosen three fixing screws of left and right 4 Pull tray drain out from the back body 1 Do above 2 Take all the connector of PCB upper side out Inclusion Power cord 3 Separate the outdoor unit connection wire from the terminal block 4 If pulling the Main PCB up it will be taken out Separate the TRANS hook it before 2 1 2 1 2 3 4 31039A 5 All 4 17 01 ...

Page 6: ...he fixing two screws and separate the motor holder 3 Loosen the fixing screw of motor fan By use of M3 wrench Separate the motor from the fan Separate the fan motor the left holder bearing 5 1 2 3 4 1 2 3 4 5 6 Lifting the heat exchanger up a little to push the up side for separation from the indoor unit 31039A 5 All 4 17 01 5 36 PM Page 5 Index ...

Page 7: ...ontrol 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 1 Do Procedure above 2 Remove the nut flange Turn to the right to remove as it is a left turned screw 3 Disassemble the propeller fan 1 1 2 31039A 5 All 4 17 01 5 36 PM Page 6 Index ...

Page 8: ... in a COOL mode or DRY mode and fan speed of the indoor unit decreases 1 2 3 4 5 6 It indicates power is on The LED stops blinking if the operation ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compressor is reop erated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the i...

Page 9: ... Y Y Remove power cord and plug in again in approx 5 seconds Is operating lamp lights on for three minutes and then goes off Check whether the fuse is normal F701 Check whether the output voltage of the trans is normal AC 15V 3V Check whether the DC 12V is normal DC12 0 5V between G and O of the IC01 Check whether the DC 5V is normal DC 5V 0 5V between G and O of the IC02 Check whether the display...

Page 10: ...or three minutes and then goes off Check whether the indoor fan turns with the operation lamp being turned on when the start stop button of the remote control is pressed Is a voltage of above rating voltage 10 applied to both ends of theindoor fan connector CN73 Is pin 3 of the CN43 a square wave Check the indoor fan motor or fan motor capacitor Check the Q401 KSC945Y Replace the IC07 Replace the ...

Page 11: ... lamp lights on for three minutes and then goes off Check whether the compressor is activated in three minutes after the operation lamp comes on when you press the ON OFF button of the remote control Is the wave of the micom IC04 pin 62 high Is the wave of the IC07 pin 12 low Is the rating voltage between the skyblue wire and Brown wire of the Terminal Block Replace the compressor Go to the item o...

Page 12: ...ain in approx 5 seconds Is operating lamp blinking in 3 minutes and then lamp off Does operation start when swing button of the remote control unit pushed Voltage at pin 33 36 of micom IC04 change Squarewave Volatge at pin 10 13 of IC05 KID65003AP change Squarewave UP DOWN louver motor is faulty Check as in the procedure No Power parts Refer to page 8 Normal Micom IC04 is faulty Driver IC05 is fau...

Page 13: ... off Check as in the procedure No Power parts Refer to page 8 Normal Replace battery LCD is faulty Replace button Check the receiver module Beep sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage of battery less than 2 5V Remote Control Unit LCD display status of REMOCON normal Voltage at pin 26 of micom IC04 change Micom IC04 is faulty Transmission displ...

Page 14: ...13 MEMO 31039A 5 All 4 17 01 5 36 PM Page 13 Index ...

Page 15: ...14 4 Exploded Views and Parts List 4 1 Indoor Unit 1 1 2 3 4 6 2 14 17 19 11 10 13 9 1 9 5 6 7 12 8 1 6 1 15 16 18 31039A 5 All 4 17 01 5 36 PM Page 14 Index ...

Page 16: ...SS Y FRONT PANEL ASS Y DISPLAY PCB ASS Y TRAY DRAIN ASS Y STEP MOTOR U D BLADE H ASS Y EVAP ASS Y EVAP SPACER EVAP ASS Y HOLDER MOTOR ASS Y TERMINAL BLOCK MOTOR FAN IN ASS Y C F FAN ASS Y BEARING ASS Y MAIN PCB ASS Y MAIN PCB ASS Y THERMISTOR COVER TERMINAL BODY BUSH ASS Y BACK BODY HOLDER PIPE PLATE HANGER ABS PC PP HIPS ASS Y ASS Y EDGE ASS Y DC12V 600GR HIPS ASS Y ASS Y PVC ASS Y ASS Y AMPFS040...

Page 17: ...16 4 2 Outdoor Unit 12 1 1 1 2 7 9 14 4 3 11 11 1 11 2 10 10 1 10 5 13 13 1 13 5 8 1 8 2 8 3 5 5 1 15 8 6 6 1 6 2 31039A 5 All 4 17 01 5 36 PM Page 16 Index ...

Page 18: ...DE CABI ASS Y COVER VALVE COVER CONTROL COVER VALVE ASS Y BASE OUT ASS Y VALVE VALVE PACKED 1 4 VALVE PACKED 1 4 VALVE PACKED 1 2 VALVE PACKED 3 8 ASSÕY TUBE CAPI B ASSÕY TUBE CAPI C SCLENOID VALUE B SCLENOID VALUE C ASSÕY TUBE CAPI A GUARD COND ASS Y CONTROL OUT CASE CONTROL OUT CLIP CAPACITOR C OIL TERMINAL BLOCK C OIL TRANS POWER ASSÕY MAIN PCB OUT ASSÕYPARTITION INSUL PARTITION PARTITION COVER...

Page 19: ...40179B DB61 40243A DB93 30052L DB93 30067N Description CASE UP CASE LOW DOOR REMOCON COVER BATTERY FILTER REMOCON RUBBER REMOCON INLAY LCD INLAY REMOCON LABEL REMOCON LABEL DOOR SCREW TAP SPRING BATTERY SPRING BATTERY SPRING BATTERY PE BAG ASSÕY PCB REMOCON HOLDER REMOCON ASSÕY REMOCON REMOCON HOLDER Specification ABS ABS ABS ABS PC SILICON PC PC ART 90 ART 90 PH M2 SUS 304 SUS 304 SUS 304 90 x 25...

Page 20: ...294 3501 001058 DE32 10037A DB93 10560B Description CASE CONTROL Ass y main PCB Ass y main PCB Micom Thermistor EVAP Trans power C film Power relay Fuse Ass y Display PCB Specification MB89635R 466 103AT AC230V DC17V 300mA CFS 99N 450VAC 155K DI1U DC12V 250V 3 15A EDGE QÕTY AM27A1C07 AM27A1C13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Remark 31039A 5 All 4 17 01 5 36 PM Page 19 Index ...

Page 21: ...ÒAÓ CODE NO DB41 10204B 0601 001333 0601 001059 0601 001060 0601 001196 DB32 50027A 2202 000780 2001 000515 2201 000283 0401 000005 DB39 20346A DB61 10091A DB63 10494A DB72 10233A DB72 10220F Specification FR 1 T1 6 W20 L170 LTL 30EHJ ORG GRN SY5511 YEL SM5511 GRN SO5511 ORG PNA4612M XD CA OA 50V 104Z RD 1 8TP 221 J YWLA200 09P CA OA 50V 102Z 1N4148 UL1007 AWG 26 9 PC BLUE ABS BLK FOAM PE BLK 30FO...

Page 22: ...NIT INDOOR UNIT Operating Condition STD Pressure psi 3 WAY V V Piping Temp ûF Use Temp Condition ûF T1 T2 Indoor Outdoor DB 80 80 67 50 54 61 64 34 39 64 78 Cooling Standard Max over load Low temp 50 54 61 64 34 39 67 67 57 95 115 67 75 75 57 WB WB DB 31039A 5 All 4 17 01 5 36 PM Page 21 Index ...

Page 23: ...22 6 Wiring Diagrams 6 1 Indoor Unit 31039A 5 All 4 17 01 5 37 PM Page 22 Index ...

Page 24: ...ISH ESPANOL FRANCAIS ITALIANO 1 BLK NEGRO NOIR NERO 2 RED ROJO ROUGE ROSSO 3 WHT BLANCO BLANC BIANCO 4 YEL AMARILLO JAUNE GIALLO FAN MOTOR 4 0µF 450VAC CAPACITOR COMP MOTOR 25µF 420V 31039A 5 All 4 17 01 5 37 PM Page 23 Index ...

Page 25: ...25 24 7 Schematic Diagrams 7 1 Indoor Unit Index ...

Page 26: ...27 26 7 2 Outdoor Unit Index ...

Page 27: ...ELECTRONICS 1 31039A 5 CO 4 17 01 5 35 PM Page 2 Index ...

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