Samsung DH052EZM1 Service Manual Download

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SERVICE

Manual

CONTENTS

AIR CONDITIONER

1. Product Specifications

2. Disassembly and Reassembly

3. Refrigerating Cycle Diagram

4. Set Up the Model Option

5. Control Specification & Troubleshooting

6. Exploded Views and Parts List

7. Block Diagram

8. Wiring Diagram

9. Schematic Diagram

INDOOR UNIT

DH052EZM1
DH070EZM
LH105EZM1
HH105EZM1
LH128EZM1
HH128EZM1
LH140EZM1
HH140EZM1

OUTDOOR UNIT

UH052EZMC
UH070EZMC

UH105GZMC

UH128GZMC

UH140GZMC

SYSTEM AIR CONDITIONER

22143A(3)_Co 2/13/06 3:05 PM Page 2

Summary of Contents for DH052EZM1

Page 1: ...Set Up the Model Option 5 Control Specification Troubleshooting 6 Exploded Views and Parts List 7 Block Diagram 8 Wiring Diagram 9 Schematic Diagram INDOOR UNIT DH052EZM1 DH070EZM LH105EZM1 HH105EZM1...

Page 2: ...47 800 54 600 7 700 11 200 14 000 16 000 1 220 240 50 3 380 415 50 2 430 4 050 5 050 5 050 2 430 3 750 5 450 5 450 12 0 7 1 8 6 8 6 12 0 6 7 9 2 9 4 1 050 1 080 1 070 1 070 950 950 1 020 1 020 900 850...

Page 3: ...inch Connection Method Between Height m Pipe Length m R22 2 100 2 400 4 150 4 150 30 45 50 50 Elec Expansion Valve Wave 2 x 24 x 1 5 2 x 36 x 1 7 2 x 44 x 1 7 2 x 44 x 1 7 638 931 1 128 1 128 880 880...

Page 4: ...OR UNIT OUTDOOR UNIT 34 000 43 700 47 800 10 000 12 800 14 000 38 200 47 800 54 600 11 200 14 000 16 000 3 380 415 50 3 850 4 900 4 900 3 600 5 400 5 400 6 75 8 4 8 4 6 40 9 1 9 1 790 900 950 900 950...

Page 5: ...ze Liquid mm inch Gas mm inch Connection Method Between Height m Pipe Length m MODEL INDOOR UNIT OUTDOOR UNIT R22 2 400 4 150 4 150 45 50 50 Elec Expansion Valve Wave 2 x 36 x 1 7 2 x 44 x 1 7 2 x 44...

Page 6: ...ection MODEL INDOOR UNIT OUTDOOR UNIT 34 000 43 700 46 000 10 000 12 800 13 500 38 200 47 800 54 600 11 200 14 000 16 000 3 380 415 50 4 050 5 300 5 300 3 750 5 850 5 850 7 1 8 6 8 6 6 7 9 4 9 4 1 080...

Page 7: ...W mm D mm Weight Net Gross kg Pipe O D Size Liquid mm inch Gas mm inch Connection Method Between Height m Pipe Length m R22 2 400 4 150 4 150 45 50 50 Elec Expansion Valve Wave 2 x 36 x 1 7 2 x 44 x...

Page 8: ...7 Samsung Electronics Unit mm 1 2 Dimensions 1 2 1 Indoor Unit No 1 2 Name Liquid pipe connection Gas pipe connection Remark 9 52 Flare 15 88 Flare DH052EZM1 DH070EZM...

Page 9: ...28EZM1 LH140EZM1 No 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 suction flange Hook Rem...

Page 10: ...Product Specifications 9 Samsung Electronics 1 2 2 Outdoor Unit UH052EZMC UH070EZMC Unit mm 645 340 880 320 364 931 950 769 839 4 12 UH105GZMC Unit mm 310 638 660 880...

Page 11: ...Product Specifications Samsung Electronics 10 690 932 375 1 128 1 162 966 403 427 1 036 4 12 UH128GZMC UH140GZMC Unit mm...

Page 12: ...kgf cm 2 G High Pressure kgf cm 2 G Low Pressure kgf cm 2 G High Pressure kgf cm 2 G Outdoor Temperature High Pressure kgf cm 2 G Outdoor Temperature Outdoor Temperature Outdoor Temperature Outdoor Te...

Page 13: ...re kgf cm 2 G Outdoor Temperature Low Pressure kgf cm 2 G Outdoor Temperature High Pressure kgf cm 2 G Outdoor Temperature High Pressure kgf cm 2 G Outdoor Temperature UH128GZMC LH128EZM1 Cooling Mode...

Page 14: ...of indication part and then assemble the direction of 2 Plate Handle places by use of screw as shown in 2 2 Turn the Plate Handle by hand when removing the Filter Pre 3 When pulling the Filter Pre han...

Page 15: ...Procedure Remark 2 Disassemble 6 indicating screws 3 Detach the Sensor Holder from the Ass y Fan Case 4 Detach from Ass y Control In the capacitor connection wire between the Motor Fan in and housing...

Page 16: ...1 After disassembling 1 indicating screw detach the Cover Control 2 Detach the Motor Fan in and Sensor Connector connected to PCB 3 Disassemble 2 indicating screws arrow mark 4 Hold the Ass y Control...

Page 17: ...to detach Ass y Drain Pan 2 screws each at left and right side Work is possible when disassembling the Ass y Drain Pan 1 Disassemble 8 indicating screws 4 each at left and right side 2 Disassemble 6 i...

Page 18: ...ctronics No Parts Procedure Remark 4 After disassembling 4 indicating screws 5 Pull the Cabinet Side LF RH by hand to disassemble 6 Separate 4 indicating screws 2 each at left and right side 7 Detach...

Page 19: ...onnecting canvas to the discharge side 1 Disassemble 4 indicating screws 2 each at left and right side 2 Disassemble 12 indicating screws 6 each at upper and lower side After connecting canvas to the...

Page 20: ...rom Ass y Control In 2 Detach the capacitor connection wire the Motor Fan in and housing connector from Ass y Control In 3 Disassemble 2 screws of indicating parts then lift up Ass y Control In 4 Disa...

Page 21: ...Disassemble 1 screw of indicating part then lift up the cover to release from Ass y Control In 2 Detach the capacitor connection wire the Motor Fan in and housing connector from Ass y Control In 3 Dis...

Page 22: ...nd Reassembly 21 Samsung Electronics No Parts Procedure Remark 4 Detach the Cabinet Base It needs 2 people 5 Disassemble the Bracket Motor and Earth Wire 6 Release the nut of Blower 7 Disassemble Base...

Page 23: ...msung Electronics 22 No Parts Procedure Remark 8 Disassemble One of 2 Blowers 9 Disassemble the Wire Clamp 10 Disassemble the Motor 11 If you did 1 4 you can see inside of the product like the picture...

Page 24: ...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 el...

Page 25: ...cedure Remark 1 Outdoor Unit Disassembly Procedure 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 c...

Page 26: ...ly and Reassembly 25 Samsung Electronics No Parts Procedure Remark 4 Disassemble the Cover Top and Front 5 Loosen the bolt to disassemble the Fan 6 Loosen the Motor fixing nut 7 Loosen the Bracket fix...

Page 27: ...e 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 each part is fixed to the electric conne...

Page 28: ...ing per extension length of 1m When extending the pipe length by more than 5m 30gr of R22 refrigerant should be refilled per extension length of 1m Heat Exchanger Evaporator Heat Exchanger Condensor C...

Page 29: ...length of 1m When extending the pipe length by more than 5m 45gr of R22 refrigerant should be refilled per extension length of 1m Heat Exchanger Evaporator Heat Exchanger Condensor Cooling Heating Ga...

Page 30: ...xtension length of 1m When extending the pipe length by more than 5m 50gr of R22 refrigerant should be refilled per extension length of 1m Heat Exchanger Evaporator Heat Exchanger Condensor Cooling He...

Page 31: ...h the button 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 v...

Page 32: ...tion 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 P...

Page 33: ...MODEL REMOTE CONTROL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 DH052EZM1 DH070EZM 0 1 5 4 4 2 1 c 0 0 0 0 LH105EZM1 0 1 5 4 4 2 1 F 0 0 0 0 HH105EZM1 0 1 5 4 0 2 1 F 0 0 0 0 LH12...

Page 34: ...side is If SW02 MAIN that set indoor unit address is controlled to indoor unit number marked on outdoor unit is marked by 5 1 2 Option set part for Outdoor unit PCB 5 Control Specification Troubleshoo...

Page 35: ...3 4 Use the 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 o...

Page 36: ...rror of discharge temperature sensor Open Short System down caused by communication error after completion of tracking Mismatching of the indoor unit numbers set with those communication after complet...

Page 37: ...he communication 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 c...

Page 38: ...by communication 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 settin...

Page 39: ...tdoor 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 40: ...ormal or not after pressing K4 2 times At this time is occurred the difference between the out temp and data Reoperation after PCB replacement Does the out heat exchanger temp sensor connected to PCB...

Page 41: ...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 the resistance value between two t...

Page 42: ...y each 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 th...

Page 43: ...it 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 equal indoor unit actual instal...

Page 44: ...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 error occurred Is the terminal voltage of drain pump PCB a...

Page 45: ...s List 6 1 Indoor Unit 1 2 5 13 18 10 11 19 17 9 4 14 15 7 8 6 16 3 12 19 2 19 6 19 3 19 1 5 1 5 6 5 5 5 4 5 2 5 7 5 3 19 4 19 5 You can search for the updated part code number through the ITSELF URL...

Page 46: ...NLET LF PLATE HANGER LF ASS Y EVAP ASS Y CABI INLET RH ASS Y CABI SIDE RH PLATE HANGER RH CABINET SIDE RH B ASS Y HOLDER OUTLET ASS Y COVER BOTTOM PLATE HANDLE FILTER PRE COVER CONTROL ASS Y CONTROL I...

Page 47: ...ed Views and Parts List Samsung Electronics 46 5 8 1 8 5 8 3 8 7 8 8 2 8 6 4 10 2 10 4 10 6 8 4 7 1 7 2 6 10 1 9 3 7 9 2 10 7 10 1 10 8 10 3 10 5 HH105EZM1 HH128EZM1 HH140EZM1 LH105EZM1 LH128EZM1 LH14...

Page 48: ...6N ASS Y CONTROL IN 220V 50Hz HH105EZM 1 SA 8 1 DB61 00098A CASE CONTROL SGCC M T0 8 1 1 SNA 8 2 DB26 10065B TRANS POWER 230V 50Hz 1 1 SA 8 3 DB65 00004H TERMINAL BLOCK 6P 6p 1 1 SA 8 4 DB65 00004L TE...

Page 49: ...6M ASS Y CONTROL IN 220V 50Hz HH105EZM 1 SA 8 1 DB61 00098A CASE CONTROL SGCC M T0 8 1 1 SNA 8 2 DB26 10065B TRANS POWER 230V 50HZ 1 1 SA 8 3 DB65 00004H TERMINAL BLOCK 6P 6p 1 1 SA 8 4 DB65 00004L TE...

Page 50: ...MEMO 49 Samsung Electronics...

Page 51: ...Samsung Electronics 50 6 2 Outdoor Unit 5 4 6 7 8 11 10 15 13 14 16 18 17 12 1 12 3 9 3 1 2 12 2 UH052EZMC UH070EZMC...

Page 52: ...84A ASS Y CONTROL OUT HP UH070EZM 1 SNA 9 DB67 30081C PARTITION ASM 3500A 1 SA 10 DB95 00201A ASS Y COMP APH2416 SHV33C6 G HITACHI 1 SA 11 DB60 30028A NUT WASHER HEX 2C M8 ZPC 3 SNA 12 1 DB67 00379A A...

Page 53: ...Exploded Views and Parts List Samsung Electronics 52 9 8 7 6 1 25 26 27 15 11 3 10 5 4 14 12 13 28 24 23 20 21 17 16 18 19 22 2 UH105GZMC...

Page 54: ...ET FRONT RH UH105GZMC SSEC 1 SA 12 DB67 00467A PARTITION UH105GZMC 1 SA 13 DB97 02613A ASS Y BRACKET VALVE ASS Y SGCC M T1 6 SSEC 1 SA 14 DB61 01582A CASE PCB UH070EZM ABS 2 5 BLACK DPM 5V 1 SA 15 DB9...

Page 55: ...Exploded Views and Parts List Samsung Electronics 54 16 14 10 11 9 27 26 23 18 13 15 19 4 25 17 24 20 2 3 5 6 22 21 12 1 7 8 UH128GZMC UH140GZMC...

Page 56: ...UH105GZMC C3771 C3604 CR 3 8 FLARE TYPE 1 SNA 12 DB96 03662A ASS Y COND UNIT UH140GZMC SSEC BENDING 1 SNA 13 DB99 00604A ASS Y VALVE 4 WAY UH140GZMC SSEC 1 SA 14 DB99 00495A ASS Y SCROLL COMP SANYO UH...

Page 57: ...n EEPROM option saving and blackout restoring function Power comm line misconnection prevention function Cost saving related sub option separation between indoor unit communication part Option part su...

Page 58: ...57 Samsung Electronics This Document can not be used without Samsung s authorization 8 Wiring Diagram 8 1 Indoor Unit Code No DB98 12868A DH052EZM1 DH070EZM...

Page 59: ...Wiring Diagram Samsung Electronics 58 This Document can not be used without Samsung s authorization Code No DB98 20414A HH105EZM1 HH128EZM1 HH140EZM1 LH105EZM1 LH128EZM1 LH140EZM1...

Page 60: ...59 Samsung Electronics This Document can not be used without Samsung s authorization 8 2 Outdoor Unit Code No DB98 13916A UH052EZMC UH070EZMC...

Page 61: ...Wiring Diagram Samsung Electronics 60 This Document can not be used without Samsung s authorization Code No DB98 22302A UH105GZMC...

Page 62: ...Wiring Diagram 61 Samsung Electronics This Document can not be used without Samsung s authorization Code No DB98 22303A UH128GZMC UH140GZMC...

Page 63: ...Samsung Electronics 62 This Document can not be used without Samsung s authorization 9 Schematic Diagram 9 1 Indoor Unit DH052EZM1 DH070EZM...

Page 64: ...63 Samsung Electronics This Document can not be used without Samsung s authorization HH105EZM1 HH128EZM1 HH140EZM1 LH105EZM1 LH128EZM1 LH140EZM1...

Page 65: ...Samsung Electronics 64 9 2 Outdoor Unit This Document can not be used without Samsung s authorization UH052EZMC UH070EZMC...

Page 66: ...Schematic Diagram 65 Samsung Electronics Indoor unit power part 3 phase Communi cation This Document can not be used without Samsung s authorization UH105GZMC UH128GZMC UH140GZMC...

Page 67: ...MEMO Samsung Electronics 66...

Page 68: ...MEMO 67 Samsung Electronics...

Page 69: ...MEMO Samsung Electronics 68...

Page 70: ...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 Apr 2006 Printed in Chi...

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