DB98_22254A(1)_CO 05/2/22 1:14 AM Page 2 DUCT TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT DH094EAM UH094EAMC SERVICE AIR CONDITIONER Manual CONTENTS 1. Product Specifications 2. Disassembly and Reassembly 3. Refrigerating Cycle Diagram 4. Set Up the Model Option 5. Control Specification & 5. Troubleshooting 6. Exploded Views and Parts List 7. Block Diagram 8. Wiring Diagram 9.
DB98_22254A(1)_1 05/2/21 10:53 PM Page 1 1. Product Specifications 1-1 Table INDOOR UNIT DH094EAM OUTDOOR UNIT UH094EAMC MODEL BTU/h 32,000 W 9,400 BTU/h 34,800 Cooling Capacity Heating W 10,200 ø/V/Hz 1/220~240/50 Cooling W 3,550 Heating W 3,300 Cooling A 15.9 Heating A 15.2 H.H r.p.m 1,170 Power Supply Power Input Running Current Hi r.p.m 1,020 Mid r.p.m 870 Low r.p.m 720 H.
DB98_22254A(1)_1 05/2/21 10:53 PM Page 2 Table(cont.) MODEL INDOOR UNIT DH094EAM OUTDOOR UNIT UH094EAMC Type R410A Charge g 1,750 Adding Charge g/m 60 Refrigerant Control Outdoor Unit Elec.Expansion Valve Type Louver Row x Stages x Fin pitch 2 x 36 x 1.5 Heat Exchanger H mm 798 W mm 880 D mm 310 Net / Gross kg 74 / 82 Liquid mm(inch) 9.52(3/8") Gas mm(inch) 15.88(5/8") Dimensions Weight Pipe O.D Size Piping Connection Method Flare Height m Max.
DB98_22254A(1)_1 05/2/21 10:53 PM Page 3 1-2 Dimensions 1-2-1 Indoor Unit (Unit : mm) Samsung Electronics 3
DB98_22254A(1)_1 05/2/21 10:53 PM Page 4 Product Specifications 1-2-2 Outdoor Unit 798 (Unit : mm) 880 0 31 4 Samsung Electronics
DB98_22254A(1)_1 05/2/21 10:53 PM Page 5 1-3 Pressure Graph ■ DH094EAM / UH094EAMC Cooling Mode 10.0 Low Pressure (kgf/cm2G) 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 15 20 25 30 35 40 45 Heating Mode 37.0 High Pressure (kgf/cm2G) 35.0 33.0 31.0 29.0 27.0 25.0 23.0 21.0 19.0 17.0 15.
DB98_22254A(1)_1 05/2/21 10:53 PM Page 6 2. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cord before repairing the unit. 2-1 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_22254A(1)_1 05/2/21 10:54 PM Page 7 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_22254A(1)_1 05/2/22 2:44 AM Page 8 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_22254A(1)_1 05/2/21 10:55 PM Page 9 Disassembly and Reassembly No Parts Procedure 4 Drain Pan 1) Disassemble 4 indicating screws to detach Ass'y Drain Pan. (2 screws each at left and right side) 5 Evaporator ✳ Work is possible when disassembling the Ass'y Drain Pan. Remark 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.
DB98_22254A(1)_1 05/2/21 10:55 PM Page 10 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_22254A(1)_1 05/2/21 10:55 PM Page 11 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_22254A(1)_1 05/2/21 10:55 PM Page 12 2-2 Outdoor Unit No Parts 1 Common Work Procedure Remark 1) Loosen the fixing screws and detach the Cover Control. 2) Detach the connection wire from the Terminal Block. 3) Loosen the fixing screws and detach the Upper Cabinet. 4) Loosen the fixing screws and detach the Front Cabinet. 5) Loosen 2 screws and pull up the Control Box. 6) Detach the terminal cover and detach the Comp lead wire.
DB98_22254A(1)_1 05/2/21 10:55 PM Page 13 Disassembly and Reassembly No Parts Procedure Remark 7) Loosen the fixing screws and detach the Cabinet Side. 2 Fan & Motor 1) Loosen the fixing bolt and detach the Fan. 2) Loosen 4 fixing bolts to detach the Motor. 3) Loosen 4 fixing bolts to detach the Bracket Motor.
DB98_22254A(1)_1 05/2/21 10:55 PM Page 14 Disassembly and Reassembly No Parts 3 Heat Exchanger & Compressor 14 Procedure Remark 1) Release the refrigerant at first. 2) Disassemble the inlet and outlet pipe by welding. 3) Loosen the fixing screws of the Heat Exchanger. 4) Detach the Heat Exchanger. 5) Loosen four bolts of the Compressor. 6) Detach the Compressor.
DB98_22254A(1)_1 05/2/21 10:55 PM Page 15 3. Refrigerating Cycle Diagram Indoor Unit Outdoor Unit ❋ Allowable pipe length : Max. 30m ❋ Allowable drop distance : Max.
DB98_22254A(1)_1 05/2/21 10:58 PM Page 16 4. Set Up the Model Option 4-1 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 temp. button simultaneously and insert the battery again. 3rd Make sure the remote control display shown as . 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_22254A(1)_1 05/2/21 11:02 PM Page 17 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_22254A(1)_1 05/2/21 11:02 PM Page 18 Set Up the Model Option ■ OPTION ITEMS REMOTE CONTROL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 1 5 4 4 2 1 E 0 SEG10 SEG11 SEG12 MODEL DH094EAM 18 0 0 0 0 Samsung Electronics
DB98_22254A(1)_1 05/2/21 11:02 PM Page 19 5. Control Specification & Troubleshooting 5-1 Operation Specification 5-1-1 Tracking process marked on display part 4-1-1 • Left numeral is an address that outdoor unit transfers communication. - - - ... - Left Right (Calling indoor unit) 4-1-1 • Right numeral marks address that is answered. 4-1-1 • During the tracking, left calls indoor unit through - and checks. At this time ...
DB98_22254A(1)_1 05/2/21 11:02 PM Page 20 Control Specification & Troubleshooting 5-1-3 Setting Up Option Switches ■ KEY ■ Display DIS 1 K1 K2 K3 DIS 2 K4 RESET DISPLAY MODE SEG1 CHECK MODE SEG2 ITEM No.
DB98_22254A(1)_1 05/2/21 11:03 PM Page 21 5-2 Troubleshooting 5-2-1 Wired remote controller display error occurring ■ If an error occurs, is displayed on the wired remote controller. ■ If you would like to see an error code, press the Test button.
DB98_22254A(1)_1 05/2/21 11:04 PM Page 22 Control Specification & Troubleshooting 5-2-2 LED Display on the receiver & display unit ■ ● If an error occurs during the operation, an LED flickers and the operation is stopped except the LED. ■ ● If you re-operate the air conditioner, it operates normally at first, then detect an error again. ■ ● If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 23 Control Specification & Troubleshooting 5-2-3 Outdoor Unit If an error occurs during the operation, it is displayed on the outdoor unit PCB.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 24 5-3 Sequence for trouble diagnosis 5-3-1 Outdoor temp. sensor(OPEN/SHORT) Outdoor unit display Er → t1 (Outdoor temp. sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor temp.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 25 Control Specification & Troubleshooting 5-3-2 Outdoor heat exchanger temp. sensor error(OPEN/SHORT) Outdoor unit display Er → t2 (Outdoor heat exchanger temp. sensor error(OPEN/SHORT) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor heat exchanger temp. sensor Disconnection or leak of Applied sensor Does the out heat exchanger temp.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 26 Control Specification & Troubleshooting 5-3-3 Outdoor discharge temp. sensor error(OPEN/SHORT) Outdoor unit display Er → t3 (Outdoor discharge temp. sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor discharger temp. sensor Disconnection or leak of Applied sensor Does the outdoor discharge temp.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 27 Control Specification & Troubleshooting 5-3-4 Communication error during the operation Outdoor unit display Er → E1 (Communication error during the operation) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of communication lines Communication error between the indoor unit and outdoor unit.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 28 Control Specification & Troubleshooting 5-3-5 Communication error between indoor and outdoor after initial power input.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 29 Control Specification & Troubleshooting 5-3-6 Indoor float switching error Outdoor unit display Er → E3 (Indoor float switching error ) (Operation) Indoor unit display How to determine (Timer) (Airflow) (Filter) The status continues over 1 minute that indoor unit float switch is opened.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 30 6. Exploded Views and Parts List 6-1 Indoor Unit 1 2 19 5 19-2 13 19-3 18 19-6 5-5 19-1 5-6 19-4 5-3 19-5 5-4 5-8 20 5-9 5-7 12 5-1 17 5-2 10 9 21 4 23 11 8 22 14 15 7 22-1 22-2 16 3 6 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.
DB98_22254A(1)_1 05/2/21 11:05 PM Page 31 Exploded Views and Parts List ■ Parts List No. Code No. Description 1 DB63-00076A COVER-TOP 2 DB63-00074A 3 DB94-00022A 4 Specification Q'TY SA / SNA SGCC-M T0.8 1 SA COVER-CASE DUCT SGCC-M T0.8 1 SA ASS'Y-DRAIN PAN ASS'Y, BLK 1 SA DB61-00099A CASE-BOTTOM SGCC-M, T0.8 1 SA 5 DB94-00023C ASS'Y-BLOWER DUCT ASS'Y 1 SA 5-1 DB64-00071A PANEL-DUCT HOLDER SGCC-M, T1.2 1 SA 5-2 DB61-00155A BRACKET-MOUNT MOTOR SGCC-M, T2.
DB98_22254A(1)_1 05/2/21 11:08 PM Page 32 6-2 Outdoor Unit 1 19 3 20 14 21 23 15 22 6 5 24 9 4 10-8 25 10-6 11 10-1 10 10-3 10-7 10-5 10-4 10-2 13 12 16 2 17-1 18-1 26 2-1 2-2 18 17 2-3 32 2-4 8 7 Samsung Electronics
DB98_22254A(1)_1 05/2/21 11:08 PM Page 33 Exploded Views and Parts List ■ Parts List No. Code No.
DB98_22254A(1)_1 05/2/21 11:08 PM Page 34 7. Block Diagram Up and down STEP MOTOR Room temp. SENSOR pipe sensor MAIN PCB Function display part remote control receiving part Option saving control MICOM Communication(485comm) Indoor unit ADDRESS setting part RMC ADDRESS setting part 485 comm control Blackout restoring function Room temp.
DB98_22254A(1)_1 05/2/21 11:08 PM Page 35 8. Wiring Diagram 8-1 Indoor Unit Code No : DB98-20414A This Document can not be used without Samsung's authorization.
DB98_22254A(1)_1 05/2/21 11:08 PM Page 36 8-2 Outdoor Unit Code No : DB98-19361A This Document can not be used without Samsung's authorization.
DB98_22254A(1)_1 05/2/21 11:09 PM Page 37 9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_22254A(1)_1 05/2/21 11:09 PM Page 38 9-2 Outdoor Unit This Document can not be used without Samsung's authorization.
DB98_22254A(1)_1 05/2/21 11:09 PM Page 39 MEMO Samsung Electronics 39
DB98_22254A(1)_1 05/2/21 11:09 PM Page 40 MEMO 40 Samsung Electronics
DB98_22254A(1)_CO 05/2/21 11:12 PM Page 1 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. Feb. 2005. Printed in China. Code No.
