Samsung DC42GTVA Service Manual Download Page 22

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Disassembly and Reassembly

Samsung Electronics

Parts

Procedure

Remark

Control In

4) After disassembling 2 places indicating

screws, detach Fan Motor and Blower
from the set.

1) After disassembling 1 Indicating screw,

detach the Cover control.

2) Detach the Motor-Fan and Sensor

Connector from the PCB.

23833A(2)_1 10/19/05 10:31 AM Page 2-19

Summary of Contents for DC42GTVA

Page 1: ...UH105GAMC UH140GAMC Model Name DH105EAMC UH105GAMC DH105EAMC UH105EAMC DH140EAMC UH140GAMC Model Code DH105EAMC UH105GAMC DH105EAMC UH105EAMC DH140EAMC UH140GAMC Basic Model DC42GTVA UH105GAMC DC48GTV...

Page 2: ...5 Accessory and Option Specifications 2 7 13 Alignment and Adjustments 3 1 3 1 E S P External Static Pressure Setting for Phase Control Motor 3 1 3 2 Setting Option Setup Method 3 2 14 Disassembly an...

Page 3: ...Buttons and Display 11 6 12 Troubleshooting 12 1 12 1 Troubleshooting 12 2 Name of Each Part 12 3 Sequence for trouble diagnosis 13 Block Diagram 13 13 1 Indoor Unit 13 2 Outdoor Unit 14 Reference She...

Page 4: ...s ducts or cable channels to protect them from the danger of impact or any other incidents 1 2 Power supply and circuit breaker If the power cord of the air conditioner is damaged it must be replaced...

Page 5: ...re removed incorrectly refrigerant may blow out and cause air pollution When it contacts with your skin it can cause skin injury The package of the air conditioner should be recycled or disposed of pr...

Page 6: ...ontrol motor Installers are able to optimize duct work keep capacity and sound level as desired Various useful Functions Built in Drain Pump Optional Long piping Maximum length 50m Maximum height 30m...

Page 7: ...ber 1 2 3 4 5 6 7 8 Name Liquid pipe connection Gas pipe connection Drain pipe connection Drain pipe connection Power supply connection Air discharge flange Air filter Hook Description 9 52 Flare 19 0...

Page 8: ...Unit mm Connection Valve Air Outlet 1 UH105EAMC UH105GAMC Unit mm Air Inlet Rear Air Outlet Unit mm 2 UH140GAMC 645 880 0 5 9 Air Inlet Rear 690 932 375 8 2 1 1 2 6 1 1 6 6 9 3 0 4 7 2 4 6 3 0 1 4 12...

Page 9: ...3 85 220 240V 50Hz Slit Fin Coil Sirocco Capacity EER Indoor Unit Outdoor Unit Power Input Running Current Fan Speed Air Circulation Noise Level Sound Pressure Heat Exchanger Fan Dimensions Weight Pow...

Page 10: ...iquid Gas Height Pipe Length Table cont 6 4 6 5 1080 1060 50 780 750 50 1020 990 50 600 550 50 1080 1060 50 780 750 50 66 82 AN42YBFMT 2 x 42 x 1 3 2 750 3 300 880 931 320 880 931 320 87 92 9 52 3 8 3...

Page 11: ...x 1150mm 880 x 931 x 320mm 48dB 66 65dB Net Weight Indoor Unit Outdoor Unit Outer Dimension Indoor Unit Outdoor Unit Noise Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit DH105EAMC DH140EAMC UH105G...

Page 12: ...ES MANUEL D UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado dom stico sistema Split Condizionatore d aria per ambienti ad unit Separate Aparelho de ar condicionado t...

Page 13: ...arately if the external static pressure of the installation place is in When it is out of input the appropriate option code If you input the inappropriate option code error may occur or the air condit...

Page 14: ...the display panel reads or repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Setting is not required if you must a value which h...

Page 15: ...ction key to set the display part to and check the display part The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows Step 4...

Page 16: ...the unit 4 1 Indoor Unit No Parts Procedure Remark 1 Blower Motor 1 After disassembling 16 places indicating screws detach Ass y Cabi Bottom Blower 2 Detach from Ass y Control In the capacitor connect...

Page 17: ...No Parts Procedure Remark 2 Control In 4 After disassembling 2 places indicating screws detach Fan Motor and Blower from the set 1 After disassembling 1 Indicating screw detach the Cover control 2 Det...

Page 18: ...mbly No Parts Procedure Remark 3 Drain Pan 3 Disassemble 4 indicating screws and detach Control In from the set Work is possible when Disassembling the Ass y Cabi Bottom Blower 1 Disassemble 7 indicat...

Page 19: ...rk 4 Evap 2 Disassemble 2 indicating screws and detach Holder Pipe 3 Disassemble 4 indicating screws and detach the Drain Pan 2 screws each at left and right side Work is possible when Disassembling t...

Page 20: ...ssembly and Reassembly No 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 r...

Page 21: ...edure Remark 1 Blower Motor 1 After disassembling 15 places indicating screws detach Ass y Cabi Bottom Blower 2 Detach from Ass y Control In the capacitor connection wire between the Motor Fan and hou...

Page 22: ...No Parts Procedure Remark 2 Control In 4 After disassembling 2 places indicating screws detach Fan Motor and Blower from the set 1 After disassembling 1 Indicating screw detach the Cover control 2 Det...

Page 23: ...4 8 No Parts Procedure Remark 3 Drain Pan 3 Disassemble 4 indicating screws and detach Control In from the set Work is possible when Disassembling the Ass y Cabi Bottom Blower 1 Disassemble 6 indicat...

Page 24: ...rk 4 Evap 2 Disassemble 2 indicating screws and detach Holder Pipe 3 Disassemble 6 indicating screws and detach the Drain Pan 3 screws each at left and right side Work is possible when Disassembling t...

Page 25: ...amsung Electronics 4 10 No Parts 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 r...

Page 26: ...ipment and disassemble the power cable 2 Uncover the Top Cover 3 Uncover the Control Box Cover 4 Pull out the assemble Cable 5 Disassemble the Cabinet Side 6 Disassemble the Cabinet Front Check if eac...

Page 27: ...edure Remark 3 Control Box PCB 1 Loosen the 8 screws fixing the Cover Side 2 Loosen the screws and push the Cover Side in the arrow direction for disassembly 3 Disconnect the PCB connector and disasse...

Page 28: ...Samsung Electronics MEMO 4 13...

Page 29: ...Samsung Electronics 5 1 5 Exploded Views and Parts List 5 1 Indoor Unit DH105EAMC...

Page 30: ...ONT MA1 SSEC 1 SA 14 2 DB90 02408A ASSY BRACKET OUTLET PART MA1 SSEC 1 SNA 14 3 DB61 02331A BRACKET MOTOR EH140EZMC SGCC M T2 0 1 SA 14 4 DB97 03751A ASSY BAND MOTOR HP NO SLIM DUCT 3 SSEC 1 SNA 14 5...

Page 31: ...ctronics 5 3 1 5 6 15 16 9 8 10 4 14 13 7 18 20 2 3 17 12 11 17 8 17 4 17 10 17 6 17 3 17 9 17 7 17 1 17 2 18 1 18 8 18 4 18 7 18 2 18 5 17 5 18 6 18 9 19 18 3 Indoor Unit DH140EAMC Exploded Views and...

Page 32: ...DH140GZM XFA SSEC 1 SNA 17 1 DB90 02028A ASSY CABINET FRONT DH60FTA SSEC 1 SA 17 2 DB90 02013A ASSY BRACKET OUTLET PART DH60FTA SSEC 1 SA 17 3 DB61 02372A BASE MOTOR DUCT 60K SGCC M T2 5 165 220 1 SA...

Page 33: ...Samsung Electronics 5 5 5 2 Outdoor Unit 9 8 7 6 1 22 23 15 11 3 10 5 4 12 13 14 16 20 21 2 18 17 19 24 UH105GAMC UH105EAMC...

Page 34: ...01528A ASSY CABI FRONT RH ASS Y UH105GZMC 1 SNA 12 DB90 01526A ASSY PARTITION ASS Y UH105GZMC 1 SA 13 DB97 02613A ASSY BRACKET VAVLE ASSY SGCC M T1 6 SSEC 1 SA 14 DB61 01910A BRACKET WIRE UH140GZMC SS...

Page 35: ...C SSEC 1 SA 11 DB90 01528A ASSY CABI FRONT RH ASS Y UH105GZMC 1 SNA 12 DB90 01526A ASSY PARTITION ASS Y UH105GZMC 1 SA 13 DB97 02613A ASSY BRACKET VAVLE ASSY SGCC M T1 6 SSEC 1 SA 14 DB61 01910A BRACK...

Page 36: ...Samsung Electronics 5 8 16 14 9 11 25 18 13 15 19 4 24 17 23 20 2 3 5 6 22 21 12 1 7 8 20 6 20 5 20 1 20 4 20 3 20 2 10 UH140GAMC Exploded Views and Parts List...

Page 37: ...R410 SSEC 1 SNA 15 DB99 00795A ASS Y VALVE EXPANSION UH140GAMC SSEC 1 SNA 16 DB62 04288A INSU SOUND COMP UH140GAMC PVC FELT T11 5 SSEC 1 SNA 17 DB95 00564E ASS Y HEATER COMP UH140GZMC CHINA 1 SA 18 D...

Page 38: ...1 SNA 8 DB39 01106A CBF C W VENTILATOR ASS Y 1 SNA 9 DB39 01106B CBF C W VENTILATOR ASS Y 1 SNA 10 DB39 01106C CBF C W VENTILATOR ASS Y 1 SNA 11 DB39 01107A CONNECT WIRE POWER ASS Y 1 SNA 12 DB39 011...

Page 39: ...Samsung Electronics 5 4 Ass y Control Out UH140GAMC 5 11...

Page 40: ...DB39 00987A CONNECT WIRE COMM UH140GCM UL1007 AW22 3P 1 SNA 17 DB39 01005A CONNECT WIRE COMP SIGNAL UH105 140 GZM 1 SA 18 DB39 01008B CONNECT WIRE COMP UH140GZM UL 1 SA 19 DB39 01006A CONNECT WIRE MAI...

Page 41: ...Samsung Electronics UH105GAMC 5 13 Exploded Views and Parts List...

Page 42: ...NNECTOR WIRE GROUND UH105GZM UL1015 AWG 18 1 SNA 16 DB39 00987A CONNECT WIRE COMM UH140GCM UL1007 AW22 3P 1 SNA 17 DB39 01005A CONNECT WIRE COMP SIGNAL UH105 140 GZM 1 SA 18 DB39 01008B CONNECT WIRE C...

Page 43: ...Samsung Electronics UH105EAMC 5 15 Exploded Views and Parts List...

Page 44: ...Operating Instructions and Installation Samsung Electronics 5 16 No CODE NO Description Specification QU TY SA SNA...

Page 45: ...FIXED REG 7805 TO 220 3P PLASTIC 4 8 5 1 SNA IC03 1203 003334 IC RESET S 801 SOT 23 5P 2 9x1 6mm PLASTIC 3 716 1 SNA VA71 VA75 1405 000154 VARISTOR 560V 2500A 17 5x7 5mm TP 2 SNA R10 R11 R12 2007 000...

Page 46: ...HEADER 1WALL 3P 1R 7 92mm STRAIGHT SN W 1 SNA CN51 3711 000794 CONNECTOR HEADER BOX 2P 1R 2 5mm STRAIGHT SN 1 SNA CN83 3711 000796 CONNECTOR HEADER BOX 2P 1R 2 5mm STRAIGHT SN RED 1 SNA CN11 3711 000...

Page 47: ...NA DIODE SWITCHING 0401 000133 LL4148 100V 200MA SOD 80C TP D201 D901 D916 17 SNA DIODE RECTIFIER 0402 000137 1N4007 1000V 1A DO 41 TP D105 D108 4 SNA R CARBON 2001 000068 5 1Kohm 5 1 4W TP 2 4X6 4MM...

Page 48: ...CONNECTOR HEADER 3711 000260 YW396 05AV BLU CN72 1 SNA CONNECTOR HEADER 3711 000262 YW396 05AV WHT CN73 1 SNA CONNECTOR HEADER 3711 000263 YW396 05AV YEL CN76 1 SNA CONNECTOR HEADER 3711 000315 YW396...

Page 49: ...4EKA NPN 200MW 10K 10K SOT 23 TP Q101 1 SNA DIODE SWITCHING 0401 000133 LL4148 100V 200MA SOD 80C TP D201 D901 D916 17 SNA DIODE RECTIFIER 0402 000137 1N4007 1000V 1A DO 41 TP D105 1 SNA R CARBON 2001...

Page 50: ...1 SNA CONNECTOR HEADER 3711 003406 YW396 03AV YEL CN74 1 SNA CONNECTOR HEADER 3711 003405 YW396 03AV BLK CN71 1 SNA CONNECTOR HEADER 3711 000262 YW396 05AV WHT CN73 1 SNA CONNECTOR HEADER 3711 000263...

Page 51: ...SNA RJ02 2001 000975 R CARBON 1 SNA R301 2007 000023 R CHIP 1 SNA J10 2007 000033 R CHIP 1 SNA J22 2007 000033 R CHIP 1 SNA J8 2007 000033 R CHIP 1 SNA J9 2007 000033 R CHIP 1 SNA R201 2007 000300 R...

Page 52: ...K5 3404 001220 SWITCH TACT 1 SNA K6 3404 001220 SWITCH TACT 1 SNA K7 3404 001220 SWITCH TACT 1 SNA RY71 76 77 3501 001154 RELAY MINIATURE 1 SA RY74 75 3501 001163 RELAY MINIATURE 1 SA F701 3601 00029...

Page 53: ...Samsung Electronics MEMO 6 9...

Page 54: ...7 1 Samsung Electronics This Document can not be used without Samsung s authorization 7 Wiring Diagram 7 1 Indoor Unit...

Page 55: ...Samsung Electronics Wiring Diagram UH140GAMC 7 2 Outdoor Unit This Document can not be used without Samsung s authorization 7 2...

Page 56: ...Samsung Electronics UH105GAMC This Document can not be used without Samsung s authorization 7 3 Wiring Diagram...

Page 57: ...wiring Diagram 7 4 Samsung Electronics This Document can not be used without Samsung s authorization UH105EAMC...

Page 58: ...This Document can not be used without Samsung s authorization 8 Schematic Diagram 8 1 Indoor Unit 8 1 Samsung Electronics...

Page 59: ...3 phase Communi cation Indoor Unit Power Supply 8 2 Outdoor Unit This Document can not be used without Samsung s authorization 8 2 Samsung Electronics UH140GAMC UH105GAMC...

Page 60: ...Ventilator Drain Pump Hot Coil Indoor Fan Part TAP Indoor Fan Part SSR Display Part 485 Communication Part Address S W Option S W Temperature Sensor Part Room Temperature Pipe In Temperature Pipe Out...

Page 61: ...o i t a z i r o h t u a s g n u s m a S t u o h t i w d e s u e b t o n n a c t n e m u c o D s i h T t i n U r o o d t u O 2 1 9 2 9 e s a h p 3 V 0 8 3 i n u m m o C n o i t a c t i n U r o o d n I...

Page 62: ...n o C d a o L r o o d t u O P M O C S S A P Y B V V Y A W 4 t r a P k c e h C e s a h P 3 t r a P l o r t n o C e r u t a r e p m e T e g r a h c s i D W S g n i t t e S r o o d n I f o o N t r a P r...

Page 63: ...ion valve Filter Filter 3 Way valve Indoor Unit Outdoor Unit 9 2 Refrigerating Cycle Diagram Amount of refilling per extension length of 1mm when extending the pipe length by more than 7 5m A g of R41...

Page 64: ...isplay External Control Display Part HALL IC 1 MICOM Download 2 Indoor Outdoor Communication 3 Wired Remote Controller Communication 4 Option Load Connector 5 Heater 6 Indoor Address S W 7 Indoor Opti...

Page 65: ...Control Display Part SMW250 04 RED HALL IC SMW250 03 BLU 1 MICOM Download SMW200 10 WHT 2 Indoor Outdoor Communication YW396 02 RED 3 Wired Remote Controller Communication YW396 02 BLU 4 Option Load C...

Page 66: ...smitter Power 12V Discharge Temperature Sensor Outdoor Temperature Sensor Outdoor Pipe Temperature Sensor Low Pressure S W Communication Transformer Out GROUND Main Power In Outdoor Fan 1 Outdoor Fan...

Page 67: ...05AV YEL Communication YW396 02V RED Transformer Out SMW250 03 RED GROUND YDW236 01 WHT Main Power In YW396 07AV WHT Outdoor Fan 1 YW396 05AV WHT Outdoor Fan 2 YW396 05AV BLU Compressor Output YW396 0...

Page 68: ...re Sensor SMW250 04 WHT 3 Phase Check YW396 05AV YEL UH105EAMC NO USED Communication YW396 02V RED Transformer Out SMW250 03 RED GROUND YDW236 01 WHT Main Power In YW396 07AV WHT Outdoor Fan 1 YW396 0...

Page 69: ...re press the buttons one or more times until the required temperature is displayed Possible temperatures are between 18 C and 30 C inclusive 1 If necessary press ON OFF button 2 To select the COOL mod...

Page 70: ...ss the button until is displayed at the top of the wired remote controller 3 To adjust the temperature press the buttons one or more times until the required temperature is displayed Possible temperat...

Page 71: ...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 1 If necessary press ON OFF button...

Page 72: ...water heater You must adjust the K7 when you install the hot water heater External Control You must adjust the K11 when you use external control SW06 K5 K6 K7 K8 SW06 K5 K6 K7 K8 Switch No Switch ON...

Page 73: ...rned off Operation ON OFF Function Operation State Display Connector No SHORT OPEN CN83 RED Operation ON Operation OFF Connector No Function PIN 1 and 2 of CN81 RED 12V Out if any error occurs PIN 3 a...

Page 74: ...or On Off button Fan speed adjustment button Swing button Except Duct type On Off indicator Operating mode Centralized controller indicator In case of installing the Centralized controller Note The bu...

Page 75: ...d on right Right side mark is marked by when left side is If SW02 MAIN that set indoor unit address is controlled to indoor unit number marked on outdoor unit is marked by 12 1 2 Option set part for O...

Page 76: ...he K1 only for heat pump models K1 Displayed on SEG 3 4 Adding refrigerant at heating mode Test operation at heating mode End K2 Displayed on SEG 3 4 Adding refrigerant at cooling mode Test operation...

Page 77: ...ch Protection control Reverse phase error Protection control In removing frost Error of the outdoor temperature sensor Open Short Error of condenser temperature sensor Open Short Error of discharge te...

Page 78: ...cation numbers and installed numbers after completion of tracking Communication error for more than 2 minutes Communication error between indoor units 1 Error of electronic expansion valve close 2 Err...

Page 79: ...ation error after completion of tracking Mismatching of the indoor unit numbers set with those communicated after completion of tracking Error of float switch in indoor unit Error of setting option sw...

Page 80: ...door temp sensor Disconnection or leak of applied sensor Yes No Yes Check the out temp sensor is normal or not by use of out data display part Check the temp data is normal or not after pressing K4 3...

Page 81: ...onnect to connector PCB Outdoor heat exchanger temp is defective replace PCB and sensor are normal To perform the test operation by one of K2 Yes No Yes Check the out temp sensor is normal or not by u...

Page 82: ...e out temp and data Reoperation after PCB replacement Does the outdoor discharge temp sensor connected to PCB CN42 At this time Is largely deviate the resistance value from side table value Measure th...

Page 83: ...and then replace the indoor unit PCB after line check Check the display after pressing the reset key on outdoor PCB When tracking is there any indoor answer from display part At this time is the volt...

Page 84: ...outdoor PCB and actual indoor unit installation numbers To measure the 2 lines of outdoor unit side by use of scope after removing the communication line connecting from outdoor unit to indoor unit Is...

Page 85: ...wo terminal after taking out the floating switch connector connected to indoor unit PCB Open status Is much the water of drain pan Does the drain pump operate Does the water level decrease Is the same...

Page 86: ...Unit Display and Wireless Remote Controller Part Indoor Fan SSR TAP Temperature Sensor Part Drain Pump Hot Coil Control Ventilator Control Outdoor Fan Control TAP No of Indoor Setting S W MICOM 3 Phas...

Page 87: ...Version Basic None Derivation 1 Buyer code Mode C O C H P H H P Heater E C O Heater G C O Hydronic N H P Varible V C O Varible W Capacity BTU kw x10 9K 26 12K 35 14K 40 18K 52 24K 70 28K 82 32K 94 36...

Page 88: ...Less than 40 C 5 1 5 2 73 74 Less than 44 C 5 2 5 3 74 75 14 3 Pressure Capacity mark W cal s kcal h Btu h HP kg m s ib m s 1 4 1868 1 163 0 29307 745 7 9 8067 1 3558 0 23885 1 0 27778 0 06999 178 11...

Page 89: ...se select Cooling or set the desired temperature lower Q It floods the floor A Place the drain hose properly When it is not placed properly the drain water would flow back flooding the floor So straig...

Page 90: ...t without drying up the inside with Ventilation mold would grow inside resulting in must So open the windows and switch on the Ventilation function to get rid of the saturated smell inside Q Whenever...

Page 91: ...door unit outside A It is possible to install it at a designated place in the apartment or on the rooftop nearby But it s illegal hanging an angle iron case with the outdoor unit in it outside the apa...

Page 92: ...ilter with a vacuum cleaner or a brush In case of serious dust accumulation put the air filter in warm detergent water and shake it vertically 4 Dry the air filter 5 When you have finished insert the...

Page 93: ...pansion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or flare nuts Leak Test Put an inert gas like nitrogen in the outdoor unit pipe...

Page 94: ...kwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage At this time especially check for gas leakage from the 3 Way valve s stem nuts and from the service port cap 2...

Page 95: ...lose 6 Stop operation of the air conditioner Relocation of the air conditioner Refer to this procedure when the unit is relocated Carry out the pump down procedure refer to the details of pump down Re...

Page 96: ...Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Oct 2006 Printed in Kor...

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