DB98_16009A(1)_CO 12/17/03 4:29 PM Page 3 DUCT TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT DH052EAM DH070EAM UH052EAMT UH070EAMT SERVICE AIR CONDITIONER Manual 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. PCB Diagram 19. Wiring Diagram 10.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 1 1. Product Specifications 1-1 Table MODEL INDOOR UNIT DH052EAM DH070EAM OUTDOOR UNIT UH052EAMT UH070EAMT BTU/hr 18,700 23,900 Watts 5,500 7,000 BTU/hr 20,400 26,300 Cooling Capacity Heating Watts Power Supply Power Input Running Current Fan Speed Air Circulation Indoor Unit Noise Level (Sound Pressure) Heat Exchanger Fan Dimension Weight Fan Speed Watts 1,800 2,450 Heating Watts 1,900 2,650 Cooling A 8.0 11.0 Heating A 8.4 11.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 2 Table(cont.) INDOOR UNIT MODEL Outdoor Unit Dimension Weight Indoor Unit Condition Outdoor Unit Pipe O.D. Size Piping OUTDOOR UNIT DH070EAM UH052EAMT UH070EAMT H mm 648 648 W mm 880 880 D mm 310 310 Net / Gross kg 67 / 72 69 / 74 Cool(DB/WB) ˚C 27 / 19 27 / 19 Heat(DB/WB) ˚C 20 / 15 20 / 15 Cool(DB/WB) ˚C 35 / 24 35 / 24 Heat(DB/WB) ˚C 7/6 7/6 Liquid mm(inch) 6.35(1/4") 6.35(1/4") Gas mm(inch) 12.7(1/2") 15.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 3 1-2 Dimensions 1-2-1 Indoor Unit (Unit : mm) Samsung Electronics 3
DB98_16009A(1)_1 12/17/03 4:21 PM Page 4 Product Specifications 1-2-2 Outdoor Unit 4 31 660 880 0 648 (Unit : mm) Samsung Electronics
DB98_16009A(1)_1 12/17/03 4:21 PM Page 5 2. Installation 2-1 Assigning Address to Indoor Unit 1. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. 2. The address of the indoor unit is assigned by adjusting MAIN(SW02) and RMC(SW01) rotary switches. K1 K2 K3 K4 SW03 K5 K6 K7 K8 SW04 K9 K10 K11 K12 SW05 SW02 MAIN SW01 RMC 3. The MAIN address is for communication between the indoor unit and the outdoor unit.
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 SW04 Switch No. Switch ON Switch OFF K5 2°C compensation 5°C compensation Adjusting filter cleaning cycle ◆ You can adjust the cycle for filter sign indicator. K5 K6 K7 K8 SW04 Switch No.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 7 2-3 Setting Up Option Switches ■ Option Switch Rotary Switch Display Key ■ Rotary Switch ■ You should display that how many indoor units are connected to the outdoor unit. Refer to the table below, then turn the arrow to appropriate position. Switch No. Number of indoor unit(s) Switch No.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 8 Installation ■ Summary of KEY functions Function K1 Number (Displayed on SEG 3, 4) of press times K2 (Displayed on SEG 3, 4) K3 (Displayed on SEG 3, 4) K4 (Displayed on SEG 3, 4) 1 Adding refrigerant at heating mode Adding refrigerant at cooling mode Reset Displays data 2 Test operation at heating mode Test operation at cooling mode - - 3 End Pump Down for recovery of refrigerant - - 4 - End - - ✳ Use the K1 only for heat pump models.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 9 3. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cord before repairing the unit. 3-1 Indoor Unit No Parts 1 Filter-Pre Procedure Remark 1) Disassemble 2 screws 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 handle, the Filter-Pre can be assembled.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 10 Disassembly and Reassembly No Parts 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 Connector. 5) Detach the Ass'y Blower and Duct from the set.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 11 Disassembly and Reassembly No Parts 3 Control In Procedure Remark 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 In by hand to lift up a little and then release the status of hanging on the hanging slot.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 12 Disassembly and Reassembly No Parts 4 Drain Pan 5 EVAP Procedure Remark 1) Disassemble 4 indicating screws 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 indicating screws. 3) Disassemble 5 indicating screws. ✳ It is possible at the status of No.3 Ass'y Control In disassembly at the time.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 13 Disassembly and Reassembly 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 it from the set if the Ass'y-Evap pull up.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 14 Disassembly and Reassembly No Parts 6 Holder Outlet Procedure Remark ✳ When connecting 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 disassembled Ass'y Holder Outlet 2), attach the Ass'y Holder Outlet to the set in the reverse order.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 15 3-2 Outdoor Unit No Parts 1 Cabinet Procedure Remark 1) Turn off the unit and remove the power cable. 2) Detach the top Cover. 3) Detach the Control Box Cover. 4) Unplug the Ass'y Cable. 5) Detach the Cabinet-Side. 6) Detach the Cabinet-Front. ✳ When you assemble the parts, check if the each parts and Component Electric Box are fixed firmly. 2 Fan Motor & Propeller Fan Samsung Electronics 1) Detach the Nut Flange.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 16 4. Refrigerating Cycle Diagram INDOOR UNIT OUTDOOR UNIT *Allowable pipe length : Max. 50m *Allowable drop distance : Max.
DB98_16009A(1)_1 12/17/03 4:21 PM Page 17 5. Set Up the Model Option 5-1 Setting Option Setup Method ex) Option No. : Step 1 : Enter the Option Setup mode. 1st Take out the batteries of remote control. 2nd Press the temperature insert the battery again. 3rd Make sure the remocon display shown as button simultaneously and . Step 2 : Enter the Option Setup mode and select your option according to the following procedure. 1 The default value is Otherwise, push the . button to .
DB98_16009A(1)_1 12/17/03 4:22 PM Page 18 Set Up the Model Option 7 Press button, then the default value is . 8 Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 7 8 9 9 Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 10 11 10 Push the 12 button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 19 Set Up the Model Option ■ OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 DH052EAM 0 1 5 4 4 4 1 A 0 0 0 0 DH070EAM 0 1 5 4 4 2 1 c 0 0 0 0 MODEL Samsung Electronics 19
DB98_16009A(1)_1 12/17/03 4:22 PM Page 21 6-2 LED Display on the receiver & display unit ■ LED Display Indicators Concealed Type Abnormal conditions Operating Blue Red Standard Type Power reset Error of temperature sensor in indoor unit (OPEN/SHORT) Displayed on appropriate indoor unit which is operating Error of heat exchanger sensor in indoor unit(OPEN/SHORT) Displayed on appropriate indoor unit which is operating Error of outdoor temperature sensor Error of COND sensor Error of DISCHARGE sensor
DB98_16009A(1)_1 12/17/03 4:22 PM Page 22 6-3 Outdoor Unit If an error occurs during the operation, it is displayed on the outdoor unit PCB.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 23 6-4 Sequence for trouble diagnosis 6-4-1 Outdoor temperature sensor(OPEN/SHORT) Outdoor unit display Er → t1 (Outdoor temperature sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor temperature sensor Disconnection or leak of applied sensor Is not separated the out temperature sensor connector from PCB?(CN41) No Reoperation after connection to connector PC
DB98_16009A(1)_1 12/17/03 4:22 PM Page 24 Troubleshooting 6-4-2 Outdoor heat exchanger temperature sensor error(OPEN/SHORT) Outdoor unit display Er → t2 (Outdoor heat exchanger temperature sensor error(OPEN/SHORT) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor heat exchanger temperature sensor Disconnection or leak of Applied sensor Is not separated the out heat exchanger temperature sensor connector from PCB?(CN41)
DB98_16009A(1)_1 12/17/03 4:22 PM Page 25 Troubleshooting 6-4-3 Outdoor discharge temperature sensor error(OPEN/SHORT) Outdoor unit display Er → t3 (Outdoor discharge temperature sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor heat exchanger temperature sensor Disconnection or leak of Applied sensor Is not separated the outdoor discharge temperature sensor connector from PCB?(CN42) No Reopera
DB98_16009A(1)_1 12/17/03 4:22 PM Page 26 Troubleshooting 6-4-4 Communication error during the operation Outdoor unit display Er → E1 (Communication error during the operation) (Operation) Indoor unit display Disconnection and short of communication lines Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor heat exchanger temperature sensor Disconnection or leak of Applied sensor To check the display after pressing the reset key on outdoor PCB Multi type After 2 minutes,
DB98_16009A(1)_1 12/17/03 4:22 PM Page 27 Troubleshooting 6-4-5 Communication error between indoor and outdoor after initial power input.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 28 Troubleshooting 6-4-6 Indoor floating switching error Outdoor unit display Er → E3 (Indoor floating switching error ) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) The status continues over 1 minute that indoor unit floating switch is opened.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 29 MEMO Samsung Electronics 29
DB98_16009A(1)_1 12/17/03 4:22 PM Page 30 7. Exploded Views and Parts List 7-1 Indoor Unit 1 2 19 5 19-2 13 19-3 18 19-6 5-5 19-1 5-3 19-4 5-6 19-5 5-4 5-7 12 5-1 17 5-2 10 9 4 11 8 14 15 7 16 3 6 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 31 Exploded Views and Parts List ■ Parts List No. Code No. Description Q'TY Specification DH052EAM DH070EAM 1 DB63-00076A COVER-TOP SGCC-M T0.8 1 1 2 DB63-00074A COVER-CASE DUCT SGCC-M T0.8 1 1 3 DB94-00022A ASS'Y-DRAIN PAN ASS'Y, BLK 1 1 4 DB61-00099A CASE-BOTTOM SGCC-M, T0.8 1 1 5 DB94-00023C ASS'Y-BLOWER DUCT ASS'Y 1 1 5-1 DB64-00071A PANEL-DUCT HOLDER SGCC-M, T1.2 1 1 5-2 DB61-00155A BRACKET-MOUNT MOTOR SGCC-M, T2.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 32 7-2 Outdoor Unit 20 1 2 21 22 15 23 16 5 4 24 8 13 25 9-7 9-1 9-3 10 3 11 9-6 9 9-2 9-5 14 12 9-4 17 19 26 18 6 7 32 Samsung Electronics
DB98_16009A(1)_1 12/17/03 4:22 PM Page 33 Exploded Views and Parts List ■ Parts List No. Code No. Description Q'TY Specification UH052EAMT UH070EAMT 1 DB90-01363A ASS'Y-COVER TOP ASS'Y 1 1 2 DB90-01388A ASS'Y CABINET-FRONT ASS'Y 1 1 3 DB67-00140A FAN-PROPELLER AS+GF20%,OD460,3BLADE 1 1 1 4 DB61-01167A BRACKET-MOTOR SGCC-M,T1.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 34 MEMO 34 Samsung Electronics
DB98_16009A(1)_1 12/17/03 4:22 PM Page 35 8.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 36 PCB Diagram ■ BOTTOM 36 Samsung Electronics
DB98_16009A(1)_1 12/17/03 4:22 PM Page 37 PCB Diagram ■ Parts List Location No.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 38 PCB Diagram ■ Parts List(cont.) Location No. Description Specification Q'TY CD31 DIODE-TVS SAC5.0 1 CD32 DIODE-TVS SAC5.0 1 CD33 DIODE-TVS SAC5.0 1 CD34 DIODE-TVS SAC5.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 39 PCB Diagram ■ Parts List(cont.) Location No.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 40 PCB Diagram ■ Parts List(cont.) Location No. Description Specification Q'TY R605 R-CHIP R2012 470Ω±5 1 R607 R-CHIP R2012 1kΩ±5 1 R608 R-CHIP R2012 10kΩ±5 1 R609 R-CHIP R2012 10kΩ±5 1 R610 R-CHIP R2012 3.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 41 8-2 Outdoor Unit (Code No:DB93-01855K;UH052EAMT / DB93-01855J;UH070EAMT) ■ TOP ■ BOTTOM ✳ The figure of PCB Pattern is common UH052EAMT and UH070EAMT. ✳ Only part list is different from between UH052EAMT and UH070EAMT.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 42 PCB Diagram ■ Parts List(UH052EAMT) Location No. Description Specification Q'TY D201,D901~D916 DIODE-SWITCHING RLS4148,100V,200MA,SOD-80C,TP 17 D101~D105 DIODE-RECTIFIER 1N4007,1000V,1A,DO-41,TP 5 CD31~CD32 DIODE-TVS SAC5.0,7.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 43 PCB Diagram ■ Parts List(UH052EAMT)(cont.) Location No. Description Specification Q'TY CN31 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN 1 CN77 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,WH 1 CN72 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,BL 1 CN73 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,WH 1 CN75 CONNECTOR-HEADER 1WALL,4P,1R,7.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 44 PCB Diagram ■ Parts List(UH070EAMT) Location No. Description Specification Q'TY D201,D901~D916 DIODE-SWITCHING RLS4148,100V,200MA,SOD-80C,TP 17 D101~D105 DIODE-RECTIFIER 1N4007,1000V,1A,DO-41,TP 5 CD31,CD32 DIODE-TVS SAC5.0,7.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 45 PCB Diagram ■ Parts List(UH070EAMT)(cont.) Location No. Description Specification Q'TY CN31 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN 1 CN77 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,WH 1 CN72 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,BL 1 CN73 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,WH 1 CN75 CONNECTOR-HEADER 1WALL,4P,1R,7.
DB98_19269A(1)_1 9/6/04 3:53 PM Page 35 9. Wiring Diagram 9-1 Indoor Unit Code No : DB98-20414A This Document can not be used without Samsung's authorization.
DB98_14413A(1)_1** 10/9/03 5:41 PM Page 45 9-2 Outdoor Unit ■ UH052EAMT CORE WHT WHT GRN This Document can not be used without Samsung's authorization.
DB98_14413A(1)_1** 10/9/03 5:41 PM Page 46 Wiring Diagram ■ UH070EAMT CORE WHT WHT GRN This Document can not be used without Samsung's authorization.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 49 10. Schematic Diagram 10-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 50 10-2 Outdoor Unit ■ UH052EAMT This Document can not be used without Samsung's authorization.
DB98_16009A(1)_1 12/17/03 4:22 PM Page 51 Schematic Diagram ■ UH070EAMT This Document can not be used without Samsung's authorization.
DB98_14413A(1)_1** 10/9/03 5:41 PM Page 52 UPDATE LOG SHEET Application date Page 2005. Feb. 14 6,20,31 Part# Note(Cause & Solution) Applied new PCB, Ass'y Control In, Terminal Block 46,47,48 Use this page to keep any special servicing information. (Service Bulletin, etc.) If only parts number changes, Just change parts number directly on parts list. And if you need more information, please see the service website.
DB98_16009A(1)_CO 12/17/03 4:29 PM Page 2 ELECTRONICS This Service 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. Dec. 2003. Printed in Korea. Code No.
