Samsung UM18A1(B1)B2 Service Manual Download Page 48 | Manualshive

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Samsung Electronics

8-3

• DB93-10560B

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Description

PCB-DISPLAY

LED - LAMP

LED - LAMP

LED - LAMP

LED - LAMP

MODULE REMOCON

C-CERAMIC

R-CARBON

CONNECTOR WAFER

C-CERAMIC

DIOD SWITCHING

C/W DIS & MODULE

CASE-CENTER PCB UP

CASE-CENTERPCB LOW

SEAL DISPLAY UPP

SEAL CASE DISPLAY

CODE-NO

DB41-10204B

0601-001333

0601-001059

0601-001060

0601-001196

DB32-50027A

2202-000780

2001-000515

2001-000283

0401-000005

DB39-20346A

DB61-10191A

DB63-10494A

DB72-10233A

DB72-10220F

Specification

FR-1 T1.6 W20 L170

LTL-30EHJ(ORG/GRN)

SY5511(YEL)

SM5511(GRN)

SO5511(ORG)

PNA4612MOOXD

CA 0A 50V 104Z

RD 1/8TP 221-J

YWL A200-09P

CA 0A 50V 102Z

1N4148

UL1007 AWG#26/9

PC, BLUE

ABS, BLK

FOAM-PE, BLK

30FOAM-PE

Q’TY

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PART LIST

8-2 ASS’Y DISPLAY & Module PCB

8-2-1 AM18A1E09/AM18A1B09/AM19A1E12/AM19A1E07

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Summary of Contents for UM18A1(B1)B2

Page 1: ...nd 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 UNIT AM18A1 B1 E09 AM18A1 B1 B09 AM19A1 B1 E07 AM19A1 B1 B12 OUTDOOR UNIT UM18A1 B1 E2 UM18A1 B1 B2 UM19A1 B1 E2 ...

Page 2: ... Samsung Electronics Co Ltd DEC 1998 Printed in Korea Code No DB81 10176A 2 ...

Page 3: ...ng 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 measure the resis tance between the power cord and the ground terminal The resistance must be greater than 30 megohms 7 Make sure that the grounds are adequate 8 Make sure that the installation conditions are satisfactory R...

Page 4: ...1 2 Samsung Electronics MEMO ...

Page 5: ...7 30 98x24 41x12 6 32 08x11 73x7 17 32 08x11 73x7 17 30 98x24 41x12 6 Weight kg 9 6 53 9 6 53 9 6 9 6 53 Refrigerant pipe Liquid OD mm xL m ø6 35 x 5 ø6 35 x 5 ø6 35x5 ø6 35x5 GAS ø9 52x5 ø9 52 x 5 ø9 52x5 ø12 7x5 Drain hose ID mm x L m ø17 x 2 000 ø17x2 000 Type Rotary Rotary Rotary Rotary Rotary Comp Model name 44B092JW1E6 44B092IW1E5 44A070JW1E1 48A124JV1E5 44A070JW1E1 48A124JV1E5 Capacitor 30µ...

Page 6: ...2 2 Samsung Electronics 2 2 Dimensions 2 2 1 Indoor Unit 2 2 1 Outdoor Unit Front view Rear view Air in Front view Remote control Rear view 815 182 Air out Installation plate 58 22 ...

Page 7: ...B Standard 5 0 5 2 11 11 27 19 35 24 A or B Max over load 6 0 6 3 16 15 32 23 43 26 Cooling Low temp 3 4 3 6 3 2 21 15 21 15 Standard 5 0 5 2 12 10 27 19 35 24 A B Max over load 6 0 6 3 16 15 32 23 43 26 Low temp 3 4 3 6 3 2 21 15 21 15 INDOOR UNIT T1 T2 Gas side Cooling Compressor A Gas leak check point Liquid side Capillary tube 2 way valve 3 way valve Heat exchanger Evaporator Heat exchanger Co...

Page 8: ...2 4 Samsung Electronics MEMO ...

Page 9: ...this button to reserve or cancel the timer on and timer off Use this button to reserve the timer on Set up the time that operation stop Set up the time that operation start Each time you press this button FAN SPEED is changed in the following order Adjusts air flow vertically Each time you press this button Use this button for sleep operation The SLEEP mode can be selected at COOL and HEAT mode Se...

Page 10: ...s button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set tempera ture room temperature When this button is pressed again or when the operating time is 30 minutes turbo operation mode is canceled and returned to the previous mode But if you press the TURBO button in DRY or FAN mode that is changed with AUTO mode automatically 5 SLEEP MODE Slee...

Page 11: ...he time remaining 10 24 Hour ON OFF Real Setting Timer The air conditioner is turned ON at a specified time using OFF TIMER The 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 3 minutes delay timer 11 SELF Diagnosis 12 BUZZER SOUND Whenever the ON OFF button is pressed or whenever change occurs to the condit...

Page 12: ... firmly if it is mounted 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 inlet and the air outlet 4 Make sure that you install the outdoor unit in area free from animals or plants 5 Make sure that you install the outdoor unit in area not blocking the tra...

Page 13: ...aid to the rear left right or down Right Rear Rear Down Left B Drain hose installation Cut the piping hole sloped slightly Remote control A B 250mm ormore 200mmormore Remote control holder Outdoor unit check point A UNIT B UNIT Piping Liquid 1 4 Clamper tube Piping Gas 3 8 or 1 2 Installation plate Installation tube Pipe connection Vinyl tape Screw Putty Drain hose 1 2 3 4 5 6 7 8 9 10 3 2 1 5 6 7...

Page 14: ...chor bolts the anchor bolts must not 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 the indoor unit 6 Using tapped screws attach the installation plate to the wooden uprights as illustrated in the last figure oppo site On delivery the indoor unit ...

Page 15: ...etres away from the indoor unit the cable must first be extended to a maximum of ten metres 1 Extend the assembly cable if necessary 2 Open the front grille by pulling on the tabs on the lower 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 1 to 5 Each w...

Page 16: ...door unit The assembly cable connecting the indoor unit to the outdoor unit The power cable connecting the auxiliary circuit breaker to the outdoor unit 1 Remove the terminal board cover on the side of the outdoor unit 2 Connect the assembly cable to terminals 1 to 5 and connect the power cable to therminals A to B Each wire is labelled with the corresponding terminal number Ensure that the wire n...

Page 17: ...e Grounding wire of 1 6mm or larger solid wire or 2mm2 or larger standard wire 2 Use of a grounding electrode Specifications of grounding electrode Terminal used exclusively for grounding Carbon plastic Steel core PVC insulated wire 2mm2 ø3 5m green Terminal M4 Grounding resistance less than 100 ohms existing grounding electrode Grounding screw hole Operating Instructions and Installation ...

Page 18: ...ng a pipe 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 modifty flare Unproper flaring Outer diameter A mm ø6 35mm 1 3 ø9 52mm 1 8 ø12 7mm 2 0 Oblique 90 Raughness Burr Pipe Reamer Inclined Surface damaged Cracked Uneven thickness A ...

Page 19: ...lve stem nuts and the service port cap to the valve and tighten them at the torque of 18N m with a torque wrench 4 Purge the air from the system using vacuum pump for about 10 minutes Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1MPa 76cmHg after about 10minutes This procedure is very important in order to avoid gas leak Turn off the vac...

Page 20: ...s see the page 3 14 It is recommend that regrigerant should be slowly put in If 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 Formulas A unit 10g x La 5 m B unit 10g x Lb 5 m La the length of A unit s pipe Lb the length of B unit s pipe Piping length and the heigh...

Page 21: ...Cooling Mode weather is rather cool operate the unit at the Trubo Mode So that the unit can be operated 7 Disconnect the charge set and mount the both 3 way valve s stem nuts and the service port cap Relocation of the air conditioner Refer to this procedure when the unit is relocated 1 Carry out the pump down procedure refer to the details of pump down 2 Remove the power cord 3 Disconnect the asse...

Page 22: ...nit DB WB 27 19 Voltage Frequency 240V 50Hz In case of 2Unit Capacity Current multiplied by 2 13000 15 14 13 12000 11000 Cooling Capacity Air Outlet Temp Outdoor Temperature DB WB 21 15 15 5 21 19 19 5 35 24 43 26 25 5 7 7 6 5 4 6 5 4 Current Low Pressure Outdoor Temperature DB WB 21 15 15 5 21 19 19 5 35 24 43 26 25 5 Cooling Capacity Air Outlet Temperature Current Low Pressure ...

Page 23: ...equency AM18A1 B1 E2 AM19A1 B1 E2 240V 50Hz AM18A1 B1 B2 220V 60Hz 10000 Cooling Capacity Outdoor Temperature DB WB 21 15 15 5 35 24 43 26 25 5 Air Outlet Temp 7000 8000 9000 15 14 13 12 11 10 Cooling Capacity Low Pressure 10000 Outdoor Temperature DB WB 21 15 15 5 35 24 43 26 25 5 7000 8000 9000 7 8 4 3 5 6 Cooling Capacity Air Outlet Temperature Cooling Capacity Low Pressure Operating Instructio...

Page 24: ...3 16 Samsung Electronics MEMO ...

Page 25: ...el upper 3 Contract the 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 seperate 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 o...

Page 26: ... above Separate the holder at the rear side of Indoor unit 2 Take 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 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 b...

Page 27: ...the left screws of the heat exchanger 1 Do above 2 Loosen the 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 Lifting the heat exchanger up a little to push the up side for separation from the indoor unit ...

Page 28: ...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 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 ...

Page 29: ... Compressor stops operation intermittently in DRY mode 5 Timer LED only of the indoor unit lights up and the air conditioner does not operate 6 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 remote control unit is pushed In happens after a delay of 3 minu...

Page 30: ...Is voltage of 63 indoor fan of the micom normal Is voltage at 32 terminal of the Micom normal 0VDC Is voltage at 64 terminal of the Micom normal 5VDC Is 198 264VAC applied to the primary side of the power transformer Check linkage between power cord and terminal tap Check fuse Is 14 18VAC appear in the secondary side of the power transformer Replace power transformer YES NO YES NO YES YES YES NO Y...

Page 31: ...rocedure After unplugging out the power cord should be reconnected within five seconds Does the operating lamp Green blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan motor sufficient Test rod location PCB CN73 Condition Fan operate AC 180V Normal voltage YES YES YES NO NO NO Check as in the procedur NO power parts Refer tp page 5 2 Microcomputer is out of order ...

Page 32: ...preessor or outdoor fan motor replaced Power relay is out of order Power relay should be replaced PCB should be checked Microcomputer is out of order PCB should be checked Room temperature sensor is out of order Check as in the procedure No Power parts Refer to page 5 2 YES 3 Is the room sensor normal register 10 C 20 C 30 C 17 96k Ω 12 09k Ω 8 3k Ω Does the timer lamp blink during operation Is th...

Page 33: ...r IC05 KID65003 is faulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 Y Y N N N Y Y Y 5 2 5 In the mode When there is no warm air current Check this first 1 Is the set temperature of Remote Control lower than room temperature in Heat mode 2 Is the Indoor PCB properly connected with the CN71 connector After training on the heating operation should start in...

Page 34: ...lty Receiver 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 Remote Control Unit LCD display status of REMOCON normal Voltage at PIN 30 of Remocon Micom change Voltage at collecter of Q601 or Q602 change Voltage at pin 26 of micom IC04 change INDOO...

Page 35: ... its substrate So if a circuit board is roughly handled such lead wires and parts will be easily bro ken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish them using an emery paper or the like before solding them Since the lead wires of any new part are covered with an oxide film solder cannot adhere to the lead wires if not polished 6 When soldering ...

Page 36: ...14 18Vac 3 DC voltage at OUT and GND of IC01 KA7812 12VDC 4 DC voltage at OUT and GND of IC02 5VDC 5 DC voltage at Q201 Base and GND change Squarewave Voltage check 1 Voltage of relay RY71 coil Voltage at pin 12 pin 5 of IC07 12VDC 2 Voltage at Terminal Tap TB71 and RY71 Termina N0 3 198 264V 1 Compressor does not operate 1 Voltage at 3 5 both ends of CN73 above 180V 2 Indoor unit fan motor does n...

Page 37: ... At ambient temperature 10 C 30 C Abnormal Measure the voltage between ground and signal wire of the fan motor Normal Abnormal Abnormal if voltage does not change from 0V to 5V Normal At ambient temperature 10 C 30 C Abnormal O Ω open or short Measure resistance between red wire and each terminal Normal Approx 380Ω at ambient temperature 20 C 30 C Abnormal O Ω open or short Between Resistance Red ...

Page 38: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit ...

Page 39: ...SS Y TRAY DRAIN ASS Y STEP MOTOR U D BLADE H ASS Y EVAP SPACER EVAP HOLDER MOTOR ASS Y 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 MAIN PCB THERMISTOR ASS Y CASE CONTROL BODY BUSH ASS Y BACK BODY HOLDER PIPE PLATE HANGER ABS PC PP CLEANER CARBON CLEANER CARBON HIPS ASS Y ASS Y AI GRILLE ASS Y BI GRILLE ASS Y DC12V 600GR HIPS ASS Y PVC ASS Y ASS...

Page 40: ...Samsung Electronics 6 3 6 2 Outdoor Unit 11 10 2 10 3 10 5 10 4 10 1 10 ...

Page 41: ...VE PACKED 1 4 TUBE CAPI C TUBE CAPILLARY A TUBE CAPILLARY B GUARD COND ASS Y CONTROL OUT ASS Y CONTROL OUT ASS Y CONTROL OUT CASE CONTROL OUT CLIP CAPACITOR C OIL C OIL C OIL TERMINAL BLOCK C OIL ASS Y PARTITION INSUL PARTITION ASS Y CABI UPPER ASS Y COMP ASS Y COMP ASS Y COMP ASS Y COMP GROMMET ISOLATOR NUT HEXAGON NUT FLANGE COVER TERMINAL OLP OLP OLP OLP CONDENSER CONDENSER SCREEN GUARD SC 9007...

Page 42: ...77A PH M2 DB67 60061A DB67 60062A DB67 60063A 90 250 DB93 40179B DB61 40243A Description ASS Y CODE 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 ASS Y PCB REMOCON HOLDER REMOCON Specification ABS ABS ABS ABS PC SILICON PC PC ART 90 ART 90 PH M2 SUS 304 SUS 304...

Page 43: ...0560B DB93 10561B Description CASE CONTROL ASS Y MAIN PCB ASS Y MAIN PCB ASS Y MAIN PCB IC MCU THERMISTOR ASS Y TRANS POWER C FILM POWER RELAY FUSE ASS Y PCB DISPLAY ASS Y PCB DISPLAY Specification ABS 94 5V MB89635R 466 103AT AC230V DC17V 300mA CFS 99N 450VAC 155K DI1U DC12V 250V 3 15A AI GRILLE BI GRILLE Q TY AM18A1 B1 E09 AM18A1 B1 B09 AM19A1 B1 E12 AM19A1 B1 E07 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Page 44: ...6 7 Samsung Electronics MEMO ...

Page 45: ...ADE H MOVING SELECT ON OFF TIMER SELECT TEMPERATURE SELECT SLEEP SELECT TIME SETTING COMPRESSOR CONTROL SIGNAL STEPPING MOTOR CONTROL SIGNAL BUZZER CONTROL SIGNAL TRIGER SIGNAL SSR OSCILLATION CIRCUIT MODE SELECT SWITCH INDICATOR PANNEL OPERATING DEICE LED TIMER LED FAN LED TURBO LED INDOOR FAN MOTOR INDOOR CONTROL PANEL POWER TRANSFORMER AC INPUT REMOTE CONTROLLER STEPPING MOTOR COMPRESSOR DRIVE ...

Page 46: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB ...

Page 47: ...0001A 3501 001058 DE39 60001A 3501 000399 Description FUSE HOLDER FUSE IC VOLT REGU HEAT SINK SCREW PH IC VOLT REGU C FILM FILTER NOISE R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R METAL FILM DIODE RECT THYRISTOR BUZZER TRANS L V PIN EYELET C CERAMIC C CERAMIC C CERAMIC C ELEC C ELEC C ELEC C ELEC IC MCU IC RSONATOR CERAMIC IC DRIVE TR GENERAL TRANSISTOR TRANS...

Page 48: ...1 10204B 0601 001333 0601 001059 0601 001060 0601 001196 DB32 50027A 2202 000780 2001 000515 2001 000283 0401 000005 DB39 20346A DB61 10191A DB63 10494A DB72 10233A DB72 10220F Specification FR 1 T1 6 W20 L170 LTL 30EHJ ORG GRN SY5511 YEL SM5511 GRN SO5511 ORG PNA4612MOOXD CA 0A 50V 104Z RD 1 8TP 221 J YWL A200 09P CA 0A 50V 102Z 1N4148 UL1007 AWG 26 9 PC BLUE ABS BLK FOAM PE BLK 30FOAM PE Q TY 1 ...

Page 49: ...E DISPLAY CODE NO DB41 10205B 0601 001333 0601 001059 0601 001060 0601 001196 DB32 50027A 2202 000780 2001 000515 2201 000283 0401 000005 DB39 20346A DB61 10197A DB63 10494A DB72 10245A DB72 10220F Specification FR 1 T1 6 W20 L170 LTL 30EHJ ORG GRN SY5511 YEL SM5511 GRN SO5511 ORG PNA4612MOOXD CA 0A 50V 104Z RD 1 8TP 221 J YWL A200 09P CA 0A 50V 102Z 1N4148 UL1007 AWG 26 9 PC BLUE ABS BLK FOAM PE ...

Page 50: ...LK NEGRO NOIR NERO 2 RED ROJO ROUGE ROSSO 3 WHT BLANCO BLANC BIANCO 4 YEL AMARILLO JAUNE GIALLO FAN MOTOR 2 5µF 450VAC CAPACITOR COMP MOTOR 30µF 420VAC FAN MOTOR 2 5µF 450VAC CAPACITOR COMP MOTOR 30µF 420VAC 25µF 370VAC UM18A1 B1 E2 UM19A1 B1 E2 FAN MOTOR 2 5µF 450VAC CAPACITOR COMP MOTOR 20µF 450VAC UM18A1 B1 B2 ...

Page 51: ...s manual may not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine read able from without prior written permission of Samsung Electronics Co Ltd SyncMaster 17GLi CMG7387L Service Manual First edition June 1995 Trademarks Samsung is a registered trademark and SyncMaster 17GLi CMG7387L and MacMaster Cable Adapter are trademark of Samsung Electr...

Page 52: ...Samsung Electronics 10 1 10 Schematic Diagrams 10 1 Indoor Unit BLK L SKY BLUE BROWN BLACK PNA4612MøøXD 220 1 8W ...

Page 53: ...10 2 Remote Control Samsung Electronics 10 2 ...

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