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AIR CONDITIONER
DH105EAMC
UH105EAMC/UH105GAMC
For more information, Please access to our service web site (http://itself.sec.samsung.co.kr)
SYSTEM AIR CONDITIONER
Basic Model :
Model Name :
Model Code :
DH140EAMC
UH140GAMC
Outdoor Unit
Indoor Unit
DC42GTVA
UH105GAMC
DC48GTVA
UH140GAMC
DH105EAMC UH105GAMC
DH105EAMC UH105EAMC
DH140EAMC UH140GAMC
DH105EAMC UH105GAMC
DH105EAMC UH105EAMC
DH140EAMC UH140GAMC
THE FEATURE OF PRODUCT
Easier Installation
: Slim Size
Easier Tuning
: Using Phase Control Motor
Various useful Functions
Convenient Control Functions

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Table of Contents
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Summary of Contents for Samsung DC42GTVA

  • Page 1 THE FEATURE OF PRODUCT Easier Installation  : Slim Size Easier Tuning  : Using Phase Control Motor DH140EAMC DH105EAMC Various useful Functions  Convenient Control Functions  UH140GAMC UH105EAMC/UH105GAMC For more information, Please access to our service web site (http://itself.sec.samsung.co.kr)
  • Page 2: Table Of Contents

    Contents 11. Precautions ..................................................1-1 Installing the air conditioner ....................1-2 Power supply and circuit breaker ..........................1-3 During operation ........................1-4 Disposing of the unit ..............................1-5 Others 12. Product Specifications ............................................... 2-1 The Feature of Product ...........................
  • Page 3 Contents 19. Circuit Descriptions ..............................................9-1 PCB Circuit Descriptions ....................... 9-2 Refrigerating Cycle Diagram 10. PCB Diagram ......................................................10-1 Indoor Unit 10-1 ..........................10-2 Outdoor Unit 10-3 11. Operating Instruction and Installation 11-1 ..............11-1 Main Function 11-1 ..........................
  • Page 4: Precautions

    If this happens, turn off the air conditioner and contact an authorized service center. Do not spray any kind of liquid into the indoor unit. If this happens, turn off the air conditioner and contact a service center. Samsung Electronics...
  • Page 5: Disposing Of The Unit

    G Young children or infirm persons should be always supervised when they use the air conditioner. G Max current is measured according to IEC standard for safety. G Current is measured according to ISO standard for energy efficiency. Samsung Electronics...
  • Page 6: Product Specifications

    – Long piping – • Maximum length : 50m – • Maximum height : 30m I Convenient Control Functions – Auto Change Over – Central Controller(Optional) : Can Control up to 16 units individually – Group Control – Weekly program(Optional) Samsung Electronics...
  • Page 7: Name Of Each Part

    DH105EAMC DH140EAMC Name Description Number Liquid pipe connection ø9.52 Flare Gas pipe connection ø19.05 Flare Drain pipe connection OD32 ID26 Drain pipe connection Using drain pump (Optional) Power supply connection Air discharge flange Air filter Hook For M8~M10 Samsung Electronics...
  • Page 8 Production Specifications 2-2-2 Outdoor Unit (Unit : mm) (Unit : mm) (1) UH105EAMC/UH105GAMC Air Inlet(Rear) Air Outlet Connection Valve (Unit : mm) (2) UH140GAMC 4- 12 Air Inlet(Rear) Air Outlet Connection Valve Samsung Electronics...
  • Page 9: Product Specifications

    3x14x1.3 Type Sirocco 0.22 0.13 0.13 Motor Output Dimensions 1150 1200 1150 39 / 46 52 / 60 39 / 46 Weight Net / Gross Power Supply 3ø, 380V~, 50Hz 3.87 Outdoor Unit Cooling Power Input 3.85 Heating Samsung Electronics...
  • Page 10 (H x W x D) 880×931×320 932×1128×375 880×931×320 Weight Net / Gross 87 / 92 121 / 136 87 / 92 Pipe O.D. Liquid mm(inch) 9.52(3/8") 9.52(3/8") 9.52(3/8") Size mm(inch) 19.05(3/4") 19.05(3/4") 19.05(3/4") Piping Connection Method Flare Height Between Pipe Length Samsung Electronics...
  • Page 11: The Comparative Specifications Of Product

    Outdoor Unit 115.0kg 136.0kg Indoor Unit 320 x 460 x 1150mm 360 x 650 x 1200mm Outer Dimension Outdoor Unit 880 x 931 x 320mm 932 x 1128 x 375mm Indoor Unit 48dB↓ 51dB↓ Noise Outdoor Unit 66/65dB↓ 67dB↓ Samsung Electronics...
  • Page 12: Accessory And Option Specifications

    Descriptions Code-No. Q'TY Remark Wired remote controller DB97-01904G Owner's Manual DB98-26846A Installation Manual DB98-26845A DB72-00143E Insulation DB62-01959A Indoor Unit Insulation Drain In DB62-03440H DB72-00143G Insulation Install Inlet DB72-00143E Ass'y Holder Drain Pipe DB90-02064A Ass'y Drain Hose Joint DB96-10453B Samsung Electronics...
  • Page 13: Alignment And Adjustments

    • If you input the inappropriate option code, error may occur or the air conditioner is out of order. The option code must be inputted correctly by the installation specialist or service agent. Option items Remote Control SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Model DH140EAMC DH105EAMC Samsung Electronics...
  • Page 14: Setting Option Setup Method

    ✳ Setting is not required if you must Push the button to set the display panel to a value which has a default. Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 15 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press 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 its model. Samsung Electronics...
  • Page 16: Disassembly And Reassembly

    Blower & Motor screws, detach Ass'y Cabi Bottom Blower. 2) Detach from Ass'y Control In the capacitor connection wire between the Motor Fan and housing connector. 3) After disassembling 2 places indicating screws, detach the 2 Fan Case. Samsung Electronics...
  • Page 17 Remark 4) After disassembling 2 places indicating screws, detach Fan Motor and Blower from the set. 1) After disassembling 1 Indicating screw, Control In detach the Cover control. 2) Detach the Motor-Fan and Sensor Connector from the PCB. Samsung Electronics...
  • Page 18 Parts Procedure Remark 3) Disassemble 4 indicating screws and detach Control In from the set. Work is possible when Disassembling the Drain Pan Ass'y Cabi Bottom Blower. 1) Disassemble 7 indicating screws and detach Ass'y Cabi Bottom Drain. Samsung Electronics...
  • Page 19 Holder Pipe. 3) Disassemble 4 indicating screws and detach the Drain Pan. (2 screws each at left and right side) Evap Work is possible when Disassembling the Ass'y Drain Pan. 1) Disassemble 5 indicating screws to detach Cover Pipe. Samsung Electronics...
  • Page 20 Parts Procedure Remark 2) Disassemble Sensor on the Evap. 3) Disassemble 4 indicating screws which are in the near of Hanger Plate to detach the Evap. (2 screws each at left and right side) It needs 2 peoples. Samsung Electronics...
  • Page 21 Blower & Motor screws, detach Ass'y Cabi Bottom Blower. 2) Detach from Ass'y Control In the capacitor connection wire between the Motor Fan and housing connector. 3) After disassembling 4 places indicating screws, detach the 2 Fan Case. Samsung Electronics...
  • Page 22 Remark 4) After disassembling 2 places indicating screws, detach Fan Motor and Blower from the set. 1) After disassembling 1 Indicating screw, Control In detach the Cover control. 2) Detach the Motor-Fan and Sensor Connector from the PCB. Samsung Electronics...
  • Page 23 Procedure Remark 3) Disassemble 4 indicating screws and detach Control In from the set. ✳ Work is possible when Disassembling the Drain Pan Ass'y Cabi Bottom Blower. 1) Disassemble 6 indicating screws and detach Ass'y Cabi Bottom Drain. Samsung Electronics...
  • Page 24 3) Disassemble 6 indicating screws and detach the Drain Pan. (3 screws each at left and right side) ✳ Work is possible when Disassembling Evap the Ass'y Drain Pan. 1) Disassemble 5 indicating screws to detach Cover Pipe. Samsung Electronics...
  • Page 25 Procedure Remark 2) Disassemble Sensor on the Evap. 3) Disassemble 2 indicating screws which are in the near of Hanger Plate to detach the Evap. (1 screw each at left and right side) It needs 2 peoples. 4-10 Samsung Electronics...
  • Page 26: Outdoor Unit

    6) Disassemble the Cabinet Front. Check if each part is fixed to the electric connector firmly at the time of part assembly. Fan Motor 1) Loosen the Propeller Fan Bolt. 2) Disassemble the Fan. & Propeller Fan Samsung Electronics 4-11...
  • Page 27 1) Loosen the 8 screws fixing the Cover Control Box Side. & 2) Loosen the screws and push the Cover Side in the arrow direction for disassembly. 3) Disconnect the PCB connector and disassembly the Electronic Box and PCB. 4-12 Samsung Electronics...
  • Page 28 MEMO Samsung Electronics 4-13...
  • Page 29: Exploded Views And Parts List

    5. Exploded Views and Parts List 5-1 Indoor Unit DH105EAMC Samsung Electronics...
  • Page 30 ASSY-BAND MOTOR HP,NO,SLIM DUCT 3,SSEC 14-5 DB61-02333A CASE BLOWER-BOTTOM EH140EZMC,ABS,T2.0 14-6 DB61-02332A CASE BLOWER-UPPER EH140EZMC,ABS,T2.0 14-7 DB67-00583B BLOWER-D EH140EZMC,ABS YSK140-200-4 DC42GTVA,0.71/ 14-8 DB31-00355B MOTOR FAN 1.4A,50HZ,220V/1.4A HP,T,48K,R22,DH105EAMC DB93-04534A ASSY CONTROL IN PARTS SSEC 15-1 DB90-01992A ASSY CASE-CONTROL 60K,MIDDLE EAST 15-2 DB61-02287A CASE PCB MH020FDEZ,ABS V0,T2.5...
  • Page 31 Exploded Views and Parts List Indoor Unit (DH140EAMC) 17-9 17-6 17-10 17-8 17-1 17-3 17-4 17-5 17-2 17-7 18-3 18-2 18-9 18-6 18-5 18-1 18-4 18-7 18-8 Samsung Electronics...
  • Page 32 18-3 DB26-10070G TRANS POWER AVMME036EZC,SSEC 18-4 3502-001035 DC 12V,-,10A,1ms,- 18-5 2301-001381 C-FILM,LEAD-OTHER 8000nF,+10-5%,450V,BK,58x30x44m 18-6 DB65-00105M TERMINAL BLOCK MINI-DVM,DAF-S6P,SSEC 18-7 DB65-00105L TERMINAL BLOCK MINI-DVM,DAF-S6P,SSEC 18-8 DB61-00250A HOLDER-WIRE CLAMP ABS,-,-,-,BLK,ISI,SAMLINE ASSY PCB MAIN OASIS-P/J,H/P 18-9 DB93-03213F DB63-01296A COVER-CONTROL DUCT 60K,SGCC-M,T0.8,MID DB32-00142B THERMISTOR-IN Samsung Electronics...
  • Page 33: Outdoor Unit

    5-2 Outdoor Unit UH105GAMC/UH105EAMC Samsung Electronics...
  • Page 34 ASSY VALVE EXPANSION UH105GAMC,SSEC DB99-00835A ASSY VALVE 4WAY UH105GAMC,SSEC Scroll compressor,380- DB95-00861A ASSY COMP 415V,50HZ,3phase,R410A DB99-00539C ASSY-CABI BASE PART UH105GZMC,SSEC DB90-01638A ASSY CABINET BACK-RH UH105GZMC,SSEC DB95-00564D ASSY HEATER-COMP DC30ET,BAC,220V/40W DB93-02919Q ASSY-OUTDOOR MAIN PCB UH105GAMC, OUTDOOR MAIN DB70-00163A PLATE-COND MH18VA1,SGCC-M, ,T0.8 Samsung Electronics...
  • Page 35 ASSY VALVE EXPANSION UH105GAMC,SSEC DB96-07728A ASSY VALVE 4WAY UH105GAMC,SSEC Scroll compressor,380- DB95-01242A ASSY COMP 415V,50HZ,3phase,R410A DB99-00539C ASSY-CABI BASE PART UH105GZMC,SSEC DB90-01638A ASSY CABINET BACK-RH UH105GZMC,SSEC DB95-00564D ASSY HEATER-COMP DC30ET,BAC,220V/40W DB93-02919Z ASSY-OUTDOOR MAIN PCB UH105GAMC, OUTDOOR MAIN DB70-00163A PLATE-COND MH18VA1,SGCC-M, ,T0.8 Samsung Electronics...
  • Page 36 Exploded Views and Parts List UH140GAMC 20-3 20-4 20-2 20-1 20-5 20-6 Samsung Electronics...
  • Page 37 BOARD,-,RING TERMINAL,250V 20-3 DB65-40062L TERMINAL BLOCK 25A,39x29x39,-,2P 20-4 DB26-10070F TRANS DC17,AC230,-,-,-,DC17,DC0.6A 20-5 2301-001367 C-FILM,LEAD-OTHER 6000nF,+10-5%,450V,BK,58x25x40mm 20-6 DB35-00049A RELAY XMCO-253LBBC,25A DB61-01855A BRACKET-MOTOR UH140GZMC,SGCC-M,T1.6 DB90-01589A ASS’Y CABINET BACK-RH UH140GZMC,SSEC DB93-02919P ASS’Y PCB UH140GAMC DB97-02613A ASS’YBRACKET-VALVE ASS’Y,SGCC-M,T1.6,SSEC DB61-01857A BRACKET WIRE UH140GZMC,SECC-P,T0.8 Samsung Electronics...
  • Page 38: Ass'y Control In

    ABS V0 DB61-02434A CONNECTOR-WIRE SSR ASS'Y DB65-00105L TERMINAL BLOCK ASS'Y DB65-00105M TERMINAL BLOCK ASS'Y DB90-01992A ASS'Y CASE-CONTROL ASS'Y DB91-00309A ASS'Y-SCREW TAPPING PH,M3*20 DB93-03213F ASS'Y MAIN PCB[DH105/140GZM] ASS'Y DB93-03213B ASS'Y MAIN PCB[DH175GZM] ASS'Y DB93-03524A ASS'Y CONNECTOR WIRE-SSR ASS'Y Samsung Electronics 5-10...
  • Page 39: Ass'y Control Out

    5-4 Ass'y Control Out UH140GAMC 5-11 Samsung Electronics...
  • Page 40 BLOCK COVER A 40*28*T1 BLOCK COVER B 40*44*T1 BLOCK COVER C 46*57*T1 DB73-00099B RUBBER MAGNET-S/W DVM OUTDOOR,CR DB39-00885A CONNECT WIRE-CCH UH035EAM,YH396-03AV,SMH601-01 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 DB31-40005A CORE NI-ZN,18,BNF-18 DB93-01469S ASSY PCB-NOISE ABSORBER EH140EAMC,220nF*2,275V DB93-01469T ASSY-NOISE ABSORBER UH140GZMC,2.2nF*2,400V 5-12 Samsung Electronics...
  • Page 41 Exploded Views and Parts List UH105GAMC 5-13 Samsung Electronics...
  • Page 42 LABEL BAR CODE W170,L115,FOR PACKING CASE BLOCK COVER A 40*28*T1 BLOCK COVER B 40*44*T1 BLOCK COVER C 46*57*T1 DB73-00099B RUBBER MAGNET-S/W DVM OUTDOOR,CR DB39-00885A CONNECT WIRE-CCH UH035EAM,YH396-03AV,SMH601-01 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 DB31-40005A CORE NI-ZN,18,BNF-18 DB93-01469S ASSY PCB-NOISE ABSORBER EH140EAMC,220nF*2,275V Samsung Electronics 5-14...
  • Page 43 Exploded Views and Parts List UH105EAMC 5-15 Samsung Electronics...
  • Page 44 Operating Instructions and Installation Specification QU’TY SA/SNA Description CODE NO. 5-16 Samsung Electronics...
  • Page 45: Electrical Parts List

    330ohm,5%,1/8W,TP,2012 509,901 R611,612,613 2007-000872 R-CHIP 4.7Kohm,5%,1/8W,TP,2012 R604,R605 2007-000931 R-CHIP 470ohm,5%,1/8W,TP,2012 R511,R513 2007-000938 R-CHIP 47Kohm,1%,1/8W,TP,2012 R401,R402,R403 2007-001067 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 R440 2007-001071 R-CHIP 6.8Kohm,5%,1/8W,TP,2012 C302,303,312,313 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,TP,1608 C10,102,104,12,201~203, 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 304~307,314~316, 401~403,413,504~506, 801,802,806,807,808, 815~819,902 C301,C311 2203-000257 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 Samsung Electronics...
  • Page 46 IC04 DB09-00329C IC MICOM MICOM,MB90820,80P,QFP,FTP-80P-M06 DB09-00329D IC MICOM [DH105/140G MICOM,MB90820,80P,QFP,FTP-80P-M06 FT71 DB27-00033A COIL CHOKE SSC1905200B,Line Filter,20mH,+50%,-30% SW04 DB34-00009A SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0. DB41-00364A PBA LOGIC BOARD miniDVM_slimduct_chi,-,FR-4 ,T-1.6,-,-,220~240V,50/60Hz HEAT-SINK DB62-03085A HEAT SINK -,A6063,25,15,15,-,-,SSEC SCREW 6002-000630 SCREW-TAPPING PH,+,-,2S,M3,L8,ZPC(YEL),SWRCH18A,- Samsung Electronics...
  • Page 47 HEAT SINK DB62-03085A A6063,25,15,15 IC01 SCREW TAPPING 6002-000630 MSCPHTT3*8 LED DISPLAY- DB07-00054A CSD-322GLH DIS1,DIS2 7SEG NOISE FILTER DB27-00022A JL2510-0008,8mH,5A FT71 C-FILM 2301-001220 100nF,10%,275V,BK,18*6*12,15 XC71,XC72 RELAY- 3501-001154 PCJ-112D3M,12VDC,3A RY71 MINIATURE RELAY- 3501-001163 CS11-12SH RY72,RY73,RY74,RY75 MINIATURE VARISTOR 1405-000147 TVR14471,470V,4500A VA72,VA73 Samsung Electronics...
  • Page 48 MB89538AP- IC MICOM DB09-00391A 101,64P,+5V,10MHz,STM-0333- IC04 BC,-,8BIT,STICK,DIP,750M IC-POSI.FIXED KA7812A,T0-220,3P,-,PLASTIC,11.5/ 1203-000243 IC01 REG. 12.5V 16W IC-POSI.FIXED 1203-000274 KA7805A,3P,-,PLASTIC,4.8/5 IC02 REG. IC-VOLTAGE 1202-000001 KA7533,TO-92,3P,-,SINGLE,-,-,PLA IC03 COMP. DSA-332MA,2pF POSISTOR DB47-00016A DS71 MAX,100MOhm,ASM-3500 DIODE-TVS 0406-001109 SAC5.0,7.6/-/-V,500W,DO-15 CD31,CD32 R-METAL OXIDE 2003-002114 200Kohm,5%,2W,AA,TP,4x12mm R507~R512 Samsung Electronics...
  • Page 49 F101 IC-DARLINGTON 0506-000180 ULN2003 IC05~IC07 DRIVER HEAT SINK DB62-03085A A6063,25,15,15 IC01 SCREW MSCPHTT3*8 TAPPING LED DISPLAY- DB07-00054A CSD-322GLH DIS1,DIS2 7SEG NOISE FILTER DB27-00022A JL2510-0008 8mH,5A FT71 C-FILM 2301-001220 100nF,10%,275V,BK,18*6*12,15 XC71 XC72 RELAY- 3501-001154 PCJ-112D3M 12VDC 3A RY71,RY76,RY77 MINIATURE Samsung Electronics...
  • Page 50 IC-POSI.FIXED REG. 1203-000243 KA7812A,T0-220 3P,-,PLASTIC,11.5/12.5V IC01 16W,0to+125 1A - ST IC-POSI.FIXED REG. 1203-000274 KA7805A,3P,-,PLASTIC,4.8/5 IC02 IC-VOLTAGE COMP. 1202-000001 KA7533,TO-92,3P,-,SINGLE,-,-,PLA IC03 POSISTOR DB47-00016A DSA-332MA,2pF MAX,100MOhm,ASM-3500 DS71 DIODE-TVS 0406-001109 SAC5.0,7.6/-/-V,500W,DO-15 CD31,CD32 FUSE HOLDER DB61-00924A FH-51B F701 R-METAL OXIDE 2003-002114 200Kohm,5%,2W,AA,TP,4x12mm R507~R512 Samsung Electronics...
  • Page 51 2007-000454 R-CHIP R403 2007-000454 R-CHIP R203 2007-000468 R-CHIP R204 2007-000468 R-CHIP R205 2007-000468 R-CHIP R905~911 2007-000468 R-CHIP R401 2007-000613 R-CHIP R202 2007-000686 R-CHIP R404 2007-000766 R-CHIP R405 2007-000766 R-CHIP R406 2007-000766 R-CHIP R408 2007-000766 R-CHIP R504 2007-000766 R-CHIP Samsung Electronics...
  • Page 52 LED DISPLAY IC04 DB09-00260C IC MICOM DB09-00100A IC MICOM FT71 DB27-00022A COIL CHOKE-LINE FILTER DB34-00009A SWITCH-DIGITAL BARE BOARD DB41-00304A PBA LOGIC BOARD DS71 DB47-00016A POSISTOR F701 DB61-00924A HOLDER-FUSE HEAT SINK DB62-03085A HEAT SINK LABEL DB68-02809A LABEL BAR CODE Samsung Electronics...
  • Page 53 MEMO Samsung Electronics...
  • Page 54: Wiring Diagram

    7. Wiring Diagram 7-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 55: Outdoor Unit

    Wiring Diagram 7-2 Outdoor Unit   UH140GAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 56 Wiring Diagram   UH105GAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 57 Diagram   UH105EAMC This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 58: Schematic Diagram

    8. Schematic Diagram 8-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 59: Outdoor Unit

    8-2 Outdoor Unit UH140GAMC/UH105GAMC This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 60: Circuit Descriptions

    Indoor Fan Part(TAP) Heater Discharge Temperature Indoor Fan Part(SSR) External Control Part Display Part EEV Control Part 485 Communication Part Wired Remote Controller Part Address S/W & Option S/W (12V) This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 61 UH140/105GAMC t i n - i n t a c n o i i r o o i t...
  • Page 62 - 9 1 UH105EAMC l o r t r a l o r t r a , V . t r a l o r t r a i t t i r o o i t Samsung Electronics...
  • Page 63: Refrigerating Cycle Diagram

    Amount of refilling per extension length of 1mm; when extending the pipe length by more   than 7.5m, "A" g of R410 , refrigerant should be refilled per extension length of 1m. Model "A" g UH140GAMC UH105GAMC UH105EAMC Samsung Electronics...
  • Page 64: Pcb Diagram

    Temperature Sensor Ventilator Wired Remote Controller Power Drain Pump “ External Control(S/W Part) Hot Coil & ‘ Indoor Fan(SSR) Display Power External Control(Display Part) Transformer Out HALL IC Main Power In MICOM Download Power Indoor/Outdoor Communication Transformer In Samsung Electronics 10-1...
  • Page 65 Display : SMW200-11(WHT) : SMW200-11(WHT) Power : YW396-03AV(WHT) External Control(Display Part) : SMW250-04(RED) Transformer Out : YW396-03AV(WHT) HALL IC : SMW250-03(BLU) Main Power In : YW396-03AV(BLU) MICOM Download : SMW200-10(WHT) Power : YW396-03AV(BLU) Indoor/Outdoor Communication : YW396-02(RED) Transformer In : SMW250-03(RED) 10-2 Samsung Electronics...
  • Page 66: Outdoor Unit

    Main Power In Transmitter Power(12V) Outdoor Fan 1 Discharge Temperature Sensor Outdoor Fan 2 Outdoor Temperature Sensor Compressor Output Outdoor Pipe Temperature Sensor 4-Way Valve Output Low Pressure S/W Bypass Communication Transformer In Transformer Out 3 Phase Check Samsung Electronics 10-3...
  • Page 67 Outdoor Temperature Sensor : SMW250-04(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) 4-Way Valve Output : YW396-03AV(YEL) 3 Phase Check : YW396-05AV(YEL) Bypass : YW396-03AV(WHT) Communication : YW396-02V(RED) Low Pressure S/W :YW396-02AV,YEL Transformer Out : SMW250-03(RED) 10-4 Samsung Electronics...
  • Page 68 Outdoor Temperature Sensor : SMW250-04(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) 4-Way Valve Output : YW396-03AV(YEL) 3 Phase Check : YW396-05AV(YEL)(UH105EAMC :NO USED) Bypass : YW396-03AV(WHT) Communication : YW396-02V(RED) Transformer Out : SMW250-03(RED) 10-5 Samsung Electronics...
  • Page 69: Operating Instruction And Installation

    3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. 11-1 Samsung Electronics...
  • Page 70 Possible temperatures are between 16˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed : ➔ ➔ Automatic(rotated : Medium High Samsung Electronics 11-2...
  • Page 71: Samsung Electronics

    2. To select the FAN mode, press the button until is displayed at the top of the wired remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High 11-3 Samsung Electronics...
  • Page 72: Additional Function

    I External Control • You must adjust the K11 when you use external control. Switch No. Switch ON Switch OFF No use of external control Use of external control K 1 K 2 K 3 K 4 SW07 Samsung Electronics 11-4...
  • Page 73 Connector No. Function PIN #1 and #2 of CN81(RED) +12V Out if any error occurs PIN #3 and #4 of CN81(RED) +12V Out when the compressor is operating Error Display Comp. Status Display Sub. PCB 220V CN81(RED) 11-5 Samsung Electronics...
  • Page 74: Wired Remote Controller-Buttons And Display

    Filter Sign indicator when the time to clean the air filter. • Duct type air conditioner does not have function of adjusting air flow direction. Therefore, the function is not operated even if you press the button. Samsung Electronics 11-6...
  • Page 75: Troubleshooting

    Counts of Indoor 10 11 12 13 14 15 Unit Installation Numbers of the switch G Example : When the installed indoor unit is one, control the arrow of switch forward to ‘0’ or ‘1’ as figure. 12-1 Samsung Electronics...
  • Page 76: Setting Up Option Switches

    Adding refrigerant at Adding refrigerant at Displays data Reset heating mode cooling mode Test operation at Test operation at heating mode cooling mode Pump Down for recovery of refrigerant ✳ Use the K1 only for heat pump models. Samsung Electronics 12-2...
  • Page 77 Wired remote controller Error of communication between the indoor unit and the wired errors remote controller Master wired remote controller ↔ Slave wired remote controller COM1/COM2 Cross-installed error Error of setting option for wired remote controller COM2 12-3 Samsung Electronics...
  • Page 78: Led Display

    5. Error of reverse phase 6. Compressor down due to 6'th detection of freezing Detection of the float switch Error of setting option switches for optional accessories EEPROM error EEPROM option error : On : Flickering : Off Samsung Electronics 12-4...
  • Page 79 The order of priority : E1 → E2 → E3 → E5 → P0 → P1 → P4 → P5 → P9 → t1 → t2 → t3 → tu → to → G4 → G5 → E3 → qx → rx → vx → K1, K2, K3, K4, K5 The order of priority : - In case that the same error displays from multi-indoor units, the one having the faster address has the priority. 12-5 Samsung Electronics...
  • Page 80: Sequence For Trouble Diagnosis

    K4 3 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-6...
  • Page 81 K4 2 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by one of K2 Reoperation after PCB replacement 12-7 Samsung Electronics...
  • Page 82 K4 1 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-8...
  • Page 83 PCB, and find the indoor unit preventing communication through connecting the communication connectors each by each, and then replace the indoor unit PCB after line check. Good +0.7V -0.7V 12-9 Samsung Electronics...
  • Page 84 PCB after line check Samsung Electronics 12-10...
  • Page 85 PCB about AC220V? Does the water level decrease? Replace the drain pump Replace the indoor unit PCB Normal operation Replace the drain pump Note : E3 error should be released when indoor unit power is reset. 12-11 Samsung Electronics...
  • Page 86: Block Diagram

    4-Way Valve Pipe Temperature Sensor Control part MICOM Sensor Control Part Bypass Valve Outdoor Load 3 Phase 3 Phase Input Control Part Check part Power Supply Communication Room/Pipe/Discharge Part Part 1 Temperature Sensor Indoor Communication Central Control Samsung Electronics 13-1...
  • Page 87: Reference Sheet

    14. Reference Sheet 14-1 Index for Model Name 14-1 Index for Model Name 14-1 Index for Model Name Model Code Model Code 14-1 Samsung Electronics...
  • Page 88: Refrigerant Pressure During The Charging

    0.001341 0.10197 0.73756 4.1868 14.286 0.0056146 0.42693 3.088 1.163 0.27778 3.9683 0.0015596 0.11859 0.85778 0.29307 0.06999 0.252 3.9302x10 0.029885 0.21616 745.7 178.11 641.19 2,544.4 76.04 9.8067 2.3423 8.4322 33.462 0.013151 7.233 1.3558 0.32383 1.1658 4.6262 0.0018182 0.13826 Samsung Electronics 14-2...
  • Page 89: Q & A For Non-Trouble

    It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems.
  • Page 90 Set up a sun blind over the outdoor unit and clear the neighboring obstacles from the outdoor unit to provide good ventilation. When it goes off frequently during a heat wave, it would prevent the turn-off and increase the cooling capacity cleaning the outdoor unit or spraying some water to the heat exchanger. Samsung Electronics 14-4...
  • Page 91 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
  • Page 92: Cleaning Your Air Conditioner

    5. When you have finished, insert the filter into the unit. 6. Clean the outdoor unit with a vacuum cleaner or a brush once a month. Note : • After cleaning the air conditioner, press the Filter Reset button. Wireless Remote Controller Wired Remote Controller Samsung Electronics 14-6...
  • Page 93: Installation

    Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. I Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. 14-7 Samsung Electronics...
  • Page 94: Installation Diagram Of Indoor Unit And Outdoor Unit

    183kgf . cm with a torque wrench. A(gas) 7) Check for gas leakage. B(liquid) - At this time, especially check for gas Valve stem leakage from the 3-Way valve’s stem nuts, Stem cap and from the service port cap. Samsung Electronics 14-8...
  • Page 95: Pump Down" Procedure

    At this time, cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering. • Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. 14-9 Samsung Electronics...
  • Page 96 ELECTRONICS This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. Oct. 2006. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. DB98-27685A(1)

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