Samsung DH052EAM Service Manual
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Samsung DH052EAM Service Manual

Samsung DH052EAM Service Manual

Duct type air conditioner
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SERVICE
AIR CONDITIONER
DUCT TYPE AIR CONDITIONER
INDOOR UNIT
DH052EAM
DH070EAM
Manual
CONTENTS
OUTDOOR UNIT
UH052EAMT
UH070EAMT

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Summary of Contents for Samsung DH052EAM

  • Page 1: Table Of Contents

    DUCT TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT DH052EAM UH052EAMT DH070EAM UH070EAMT Manual SERVICE AIR CONDITIONER CONTENTS 11. Product Specifications 12. Installation 13. Disassembly and Reassembly 14. Refrigerating Cycle Diagram 15. Set Up the Model Option 16. Troubleshooting 17. Exploded Views and Parts List 18.

  • Page 2: Product Specifications

    1. Product Specifications 1-1 Table INDOOR UNIT DH052EAM DH070EAM MODEL OUTDOOR UNIT UH052EAMT UH070EAMT BTU/hr 18,700 23,900 Cooling Watts 5,500 7,000 Capacity BTU/hr 20,400 26,300 Heating Watts 6,000 7,700 Power Supply 1ø, 220~240V~, 50Hz 1ø, 220~240V~, 50Hz Cooling Watts 1,800...
  • Page 3 Table(cont.) INDOOR UNIT DH052EAM DH070EAM MODEL OUTDOOR UNIT UH052EAMT UH070EAMT Dimension Outdoor Unit Weight Net / Gross 67 / 72 69 / 74 Cool(DB/WB) ˚C 27 / 19 27 / 19 Indoor Unit Heat(DB/WB) ˚C 20 / 15 20 / 15...
  • Page 4 1-2 Dimensions 1-2-1 Indoor Unit (Unit : mm) Samsung Electronics...
  • Page 5 Product Specifications 1-2-2 Outdoor Unit (Unit : mm) Samsung Electronics...

  • Page 6: Installation

    If an indoor unit does not have an optional accessory and its K1 K2 K3 K4 MAIN address is "4". SW03 K5 K6 K7 K8 SW04 K9 K10 K11 K12 SW05 SW01 RMC SW02 MAIN Samsung Electronics...

  • Page 7: Additional Functions

    2-2 Additional functions Compensation for lost temperature in heating operation Reduces the difference between an actual room temperature and a sensed temperature by the air conditioner when heating. K5 K6 K7 K8 Switch No. Switch ON Switch OFF SW04 2°C compensation 5°C compensation Adjusting filter cleaning cycle You can adjust the cycle for filter sign indicator.

  • Page 8: Setting Up Option Switches

    Switch No. indoor unit(s) indoor unit(s) 0 or 1 Nine Three Eleven Four Twelve Five Thirteen Fourteen Seven Fifteen Eight Display DIS 1 DIS 2 SEG 1 SEG 2 SEG 3 SEG 4 CHECK MODE RESET DISPLAY MODE Samsung Electronics...
  • Page 9 Outdoor temperature 120STEP Step of electronic expansion valve (12 x 10) (0 step : all closed, 480 step : all open) -2 °C Temperature of evaporator 12 °C Indoor temperature 22 °C Stopping view mode & display communication data Samsung Electronics...

  • Page 10: Disassembly And Reassembly

    Filter-Pre can be assembled. Be sure to remove the cushion on the marked part after initial installation. (It cause the damage of noise). Blower & Duct 1) After disassembling 9 places indicating screws, detach Ass'y Cover Bottom. Samsung Electronics...
  • Page 11 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 Connector. 5) Detach the Ass'y Blower and Duct from the set. Samsung Electronics...
  • Page 12 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 In by hand to lift up a little and then release the status of hanging on the hanging slot. Samsung Electronics...
  • Page 13 Ass'y Drain Pan. 1) Disassemble 8 indicating screws. (4 each at left and right side) 2) Disassemble 6 indicating screws. 3) Disassemble 5 indicating screws. It is possible at the status of No.3 Ass'y Control In disassembly at the time. Samsung Electronics...
  • Page 14 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 it from the set if the Ass'y-Evap pull up. Samsung Electronics...
  • Page 15 (2 each at left and right side) 2) Disassemble 12 indicating screws. (6 each at upper and lower side) After connecting canvas to the disassembled Ass'y Holder Outlet 2), attach the Ass'y Holder Outlet to the set in the reverse order. Samsung Electronics...
  • Page 16 6) Detach the Cabinet-Front. When you assemble the parts, check if the each parts and Component Electric Box are fixed firmly. Fan Motor 1) Detach the Nut Flange. & (Turn to the clockwise) Propeller Fan 2) Disassemble the Propeller Fan. Samsung Electronics...

  • Page 17: Refrigerating Cycle Diagram

    *Allowable pipe length : Max. 50m *Allowable drop distance : Max. 30m 3-Way Valve Liquid Side Filter Filter Heat Exchanger Heat (Condensor) Exchanger (Evaporator) Gas Side 3-Way Valve Cooling Heating Muffler Accumulator Gas leak check point Compressor High pressure switch Samsung Electronics...

  • Page 18: Set Up The Model Option

    . . . repeatedly. 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 19 If all lamps of indoor unit are flickering, Plug out and plug in again and pressing 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 it's model. Samsung Electronics...
  • Page 20 Set Up the Model Option OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL DH052EAM DH070EAM Samsung Electronics...

  • Page 22: Led Display

    - If you turn off the air conditioner when the LED is flickering, the LED is also turned off. : On : Flickering : Off - If you re-operate the air conditioner, it operates normally at first, then detect an error again. Samsung Electronics...
  • Page 23 The order of priority : E1 → E2 → E4 → E5 → P0 → P1 → P5 → P6 → 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. Samsung Electronics...

  • Page 24: Sequence For Trouble Diagnosis

    K4 3 times. At this time, is occurred the difference between the out temperature and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB exchange Samsung Electronics...

  • Page 25: Troubleshooting

    To check the temperature data is normal or not after pressing K4 2 times. At this time, is occurred the difference between the out temperature and data? PCB and sensor are normal. Reoperation after PCB exchange Samsung Electronics...
  • Page 26 K4 1 times. At this time, is occurred the difference between the out temperature and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB exchange Samsung Electronics...
  • Page 27 PCB, and find the indoor unit preventing communication through connecting the communication connectors each by each, and then exchange the indoor unit PCB after line check. Good +0.7V -0.7V Samsung Electronics...
  • Page 28 PCB after line check Samsung Electronics...
  • Page 29 AC 220V? Is lowing the water level? To exchange the drain pump To exchange the indoor unit PCB Normal operation Note : E3 error should be released when To exchange the drain pump indoor unit power is reset. Samsung Electronics...
  • Page 30 MEMO Samsung Electronics...

  • Page 31: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Indoor Unit 19-2 19-3 19-6 19-1 19-4 19-5 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 32 Exploded Views and Parts List Parts List Q'TY Code No. Description Specification DH052EAM DH070EAM DB63-00076A COVER-TOP SGCC-M T0.8 DB63-00074A COVER-CASE DUCT SGCC-M T0.8 DB94-00022A ASS'Y-DRAIN PAN ASS'Y, BLK DB61-00099A CASE-BOTTOM SGCC-M, T0.8 DB94-00023C ASS'Y-BLOWER DUCT ASS'Y DB64-00071A PANEL-DUCT HOLDER SGCC-M, T1.2...
  • Page 33 7-2 Outdoor Unit Samsung Electronics...
  • Page 34 ASS'Y EEV VALVE ASS'Y DB96-02896B ASS'Y EEV VALVE ASS'Y DB63-00613A GUARD-COND SECC-P,T1.6 DB61-01221A GUIDE-SCREEN P.E.H 100%,T2.5,1015x615,BLK DB63-00320A GUARD-FAN HSWR,460 DB96-02849A ASS'Y COND UNIT UH070EAMT,UH052EAMT DB96-02936A ASS'Y COLLECTOR IN ASS'Y DB96-02937A ASS'Y COLLECTOR OUT ASS'Y DB90-01291A ASS'Y CABINET BASE OUT ASS'Y Samsung Electronics...
  • Page 35 MEMO Samsung Electronics...

  • Page 36: Pcb Diagram

    8. PCB Diagram 8-1 Indoor Unit(Code No : DB93-00849N) Samsung Electronics...
  • Page 37 PCB Diagram BOTTOM Samsung Electronics...
  • Page 38 C-CHIP CS2012Y 5V 104Z5 C910 C-FILM 2A 472J C911 C-CHIP CS2012 5V 103Z5 C912 C-CHIP CS2012 5V 103Z5 C913 C-CHIP CS2012 5V 103Z5 C914 C-CHIP CS2012 5V 103Z5 C915 C-CHIP CS2012 5V 103Z5 C917 C-CHIP CS2012Y 5V 104Z5 Samsung Electronics...
  • Page 39 DIODE 4148M D919 DIODE 4148M F701 FUSE 250V,5A F701 HOLDER FUSE FB58-20 F702 FUSE 250V,1A FT71 FILTER NOISE HP1-P10 IC01 HEAT SINK A6063,L25.5 W15,WHT IC01 IC VOLT REGULATOR KA7812A IC01 SCREW-TAPPING PH,M3,L8,FE FZY IC02 IC VOLT REGULATOR KA7805A Samsung Electronics...
  • Page 40 R2012 330Ω±5 R501 R-CHIP R2012 10kΩ±5 R502 R-CHIP R2012 330Ω±5 R503 R-CHIP R2012 10kΩ±5 R504 R-CHIP R2012 47kΩ±5 R505 R-CHIP R2012 47kΩ±5 R601 R-CHIP R2012 1kΩ±5 R602 R-CHIP R2012 10kΩ±5 R603 R-CHIP R2012 1kΩ±5 R604 R-CHIP R2012 470Ω±5 Samsung Electronics...
  • Page 41 RY74 RELAY JQ1a-12V RY75 RELAY CS11-12SH RY76 RELAY CS11-12SH RY77 RELAY CS11-12SH RY78 RELAY CS11-12SH SW01 DIGITAL-SWITCH PT65 103 SW02 DIGITAL-SWITCH PT65 503 SW03 DIP-SWITCH BSD-104 SW04 DIP-SWITCH BSD-104 SW05 DIP-SWITCH BSD-104 VA71 VARISTOR INR14D561K-BS X301 RESONATOR 10MHz Samsung Electronics...
  • Page 42 8-2 Outdoor Unit (Code No:DB93-01855K;UH052EAMT / DB93-01855J;UH070EAMT) BOTTOM The figure of PCB Pattern is common UH052EAMT and UH070EAMT. Only part list is different from between UH052EAMT and UH070EAMT. Samsung Electronics...
  • Page 43 C-AL 470uF,20%,25V,GP,TP,10x12.5mm C101,C103 C-AL 1000uF,20%,35V,GP,TP,13x25,5 X501 RESONATOR-CERAMIC 10MHZ,0.5%,BK,8x3x5.5mm FT71 FILTER-EMI AC LINE 250V,1A,UL/CSA/TUV/SEMKO,100000 K1~K4 SWITCH-PUSH 125V,1A,SPDT,ON-ON,- SW02,SW03 SWITCH-DIP 5V DC,100mA,SLIDE,- RY71~RY77 RELAY-MINIATURE 12VDC,200MW,3000MA,1FORMA,10MS,10M F701_1 FUSE-CARTRIDGE 250V,5A,FAST-ACTING,GLASS,5.2x20mm F101 FUSE 250V,1.6A,TIME-LAG,PLASTIC,8.4x7.6mm F701 FUSE-BLOCK 500V,-,100M CN42 CONNECTOR-HEADER BOX,2P,1R,2.5mm,STRAIGHT,SN,WHT CN12 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN Samsung Electronics...
  • Page 44 CN60 CONNECTOR-HEADER BOX,6P,1R,2.5mm,STRAIGHT,SN CN71 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,BL CN74 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,YE GT-2 CONNECTOR-TERMINAL PIN,MALE,#18-22,2.35mm RJ02 JUMPER DIS1 LED DISPLAY-7SEG ELD-306GWA,-,2,14,-,15x15.5x7.2,G DIS2 LED DISPLAY-7SEG ELD-306GWA,-,2,14,-,15x15.5x7.2,G IC04 IC MICOM MB89538AP-101,MB89538AP-101,64P,+5V,10MHz SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0.4 DS71 POSISTOR DSA-332MA,2pF MAX,100MOhm,ASM-3 RJ04 R-CARBON 3.3Kohm,5%,1/4W,AA,TP,2.4x6.4mm Samsung Electronics...
  • Page 45 C-AL 1000uF,20%,35V,GP,TP,13x25,5 X501 RESONATOR-CERAMIC 10MHZ,0.5%,BK,8x3x5.5mm FT71 FILTER-EMI AC LINE 250V,1A,UL/CSA/TUV/SEMKO,100000 K1~K4 SWITCH-PUSH 125V,1A,SPDT,ON-ON,- SW02,SW03 SWITCH-DIP 5V DC,100mA,SLIDE,- RY71,R76,R77 RELAY-MINIATURE 12VDC,200MW,3000MA,1FORMA,10MS,10M RY72~RY75 RELAY-MINIATURE 12VDC,200MW,5000MA,1FORMA,10MS,5MS F701_1 FUSE-CARTRIDGE 250V,5A,FAST-ACTING,GLASS,5.2x20mm F101 FUSE 250V,1.6A,TIME-LAG,PLASTIC,8.4x7.6mm F701 FUSE-BLOCK 500V,-,100M CN42 CONNECTOR-HEADER BOX,2P,1R,2.5mm,STRAIGHT,SN,WHT CN12 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN Samsung Electronics...
  • Page 46 CN71 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,BL CN74 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,YE GT-2 CONNECTOR-TERMINAL PIN,MALE,#18-22,2.35mm RJ02 JUMPER DIS1 LED DISPLAY-7SEG ELD-306GWA,-,2,14,-,15x15.5x7.2,G DIS2 LED DISPLAY-7SEG ELD-306GWA,-,2,14,-,15x15.5x7.2,G IC04 IC MICOM MB89538AP-101,MB89538AP-101,64P,+5V,10MHz SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0.4 DS71 POSISTOR DSA-332MA,2pF MAX,100MOhm,ASM-3 RJ03 R-CARBON 12Kohm,5%,1/4W,AA,TP,2.4x6.4mm RJ04 R-CARBON 3Kohm,5%,1/4W,AA,TP,2.4x6.4mm Samsung Electronics...

  • Page 47: Wiring Diagram

    9. Wiring Diagram 9-1 Indoor Unit Code No : DB98-20414A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 48 9-2 Outdoor Unit UH052EAMT CORE This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 49 Wiring Diagram UH070EAMT CORE This Document can not be used without Samsung's authorization. Samsung Electronics...

  • Page 50: Schematic Diagram

    10. Schematic Diagram 10-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 51 10-2 Outdoor Unit UH052EAMT This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 52 Schematic Diagram UH070EAMT This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 53 Itself Solution Integrated technology supporting electronic library http://itself.sec.samsung.co.kr Copyright © 2002 By Samsung Electronics Co., Ltd. All rights reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co., Ltd.
  • Page 54 ELECTRONICS © Samsung Electronics Co., Ltd. Dec. 2003. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. DB98-16009A(1-1)

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