Samsung CH094EAM Service Manual
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Samsung CH094EAM Service Manual

Samsung CH094EAM Service Manual

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SERVICE
AIR CONDITIONER
CASSETTE TYPE AIR CONDITIONER
INDOOR UNIT
CH094EAM
Manual
5.
OUTDOOR UNIT
UH094EAMC
CONTENTS

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Summary of Contents for Samsung CH094EAM

  • Page 1: Table Of Contents

    CASSETTE TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT CH094EAM UH094EAMC Manual SERVICE AIR CONDITIONER CONTENTS 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.

  • Page 2: Product Specifications

    1. Product Specifications 1-1 Table INDOOR UNIT CH094EAM MODEL OUTDOOR UNIT UH094EAMC BTU/h 32,000 Cooling 9,400 Capacity BTU/h 34,800 Heating 10,200 Power Supply ø/V/Hz 1/220~240/50 Cooling 3,350 Power Input Heating 3,270 Cooling 15.3 Running Current Heating 15.0 r.p.m r.p.m Fan Speed r.p.m...
  • Page 3 Table(cont.) INDOOR UNIT CH094EAM MODEL OUTDOOR UNIT UH094EAMC Type R410A Charge 1,750 Refrigerant Adding Charge g / m Control Elec.Expansion Valve Type Louver Outdoor Unit Heat Exchanger Row x Stages x Fin pitch 2 x 36 x 1.5 Dimensions Weight...
  • Page 4 1-2 Dimensions 1-2-1 Indoor Unit (Unit : mm) Model Name CH094EAM Liquid pipe connection ø9.52(3/8") Gas pipe connection ø15.88(5/8") Drain pipe connection Power supply connection Air discharge grille Air suction grille Samsung Electronics...
  • Page 5 Product Specifications 1-2-2 Outdoor Unit (Unit : mm) Samsung Electronics...

  • Page 6: Pressure Graph

    1-3 Pressure Graph CH094EAM / UH094EAMC Cooling Mode 10.0 Heating Mode 37.0 35.0 33.0 31.0 29.0 27.0 25.0 23.0 21.0 19.0 17.0 15.0 Samsung Electronics...

  • Page 7: Disassembly And Reassembly

    - Dust-Collecting Filter 2) Disassembly of Front Grille. (1) Open the Front Grille at about 45˚ degrees and draw it forward. (2) Disassemble the Safety Clip. 3) Filter Disassembly (1) Draw the Dust-Collecting Filter forward. (2) Disassemble the Filter. Samsung Electronics...
  • Page 8 6) Loosen the 4 bolts in the mark uncover the Component Electric Box cover. 7) Disassemble the 3 cables between the indoor unit and the Panel. - Stepping Motor Connector - Receiving & Display Unit Connector Option Samsung Electronics...
  • Page 9 1) Disconnect all the Indoor and Outdoor - Indoor & Outdoor Cables Connected to the Terminal Board. Connecting Cable 1) Disassemble the Fan Motor wire connector, & thermistor wire connector, and Drain Pump Motor wire connector. 2) Disassemble the wire connector in the Capacitor. Samsung Electronics...
  • Page 10 4) Disassemble the Float Switch wire connected to the Terminal Port.(F1, F2) 5) Loosen the 8 bolts in the mark 6) Loosen a bolt in the arrow direction inside. 7) Disassemble the Drain Cushion from the main body. Samsung Electronics...
  • Page 11 Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer 10) Disassemble the Motor connector wire. 11) Disassemble the ground wire. Samsung Electronics...
  • Page 12 Parts Procedure Remark 12) Loosen 3 nuts to disassemble the Motor. Pump 1) Loosen the 4 bolts of the Drain Pump. 2) Disassemble the Hose from the Drain Pump. 3) Disassemble the Pump from the main body Bracket. Samsung Electronics...
  • Page 13 1) Disassemble the cover pipe beside the Heat Exchanger main body. 2) Loosen the 2 bolts fixing the Heat Exchanger to the indoor unit Base. 3) Disassemble the 4 fixing Brackets of the Heat Exchanger to disassemble it from the main body. Samsung Electronics...
  • Page 14 1) Loosen 2 bolts fixing the Control Panel and (PCB Panel) then lift it up. 2) Disassemble the Clamp. 3) Loosen the bolt fixing the PCB to disassemble the PCB. 4) Disassemble the PCB Wire from the PCB. 5) Disassemble the Bottom PCB and PCB. Samsung Electronics...
  • Page 15 1) Loosen 2 bolts fixing the Control Panel Front Panel (Stepping Motor) and then lift it up. 2) Disassemble the Stepping Motor and disassemble the link. 3) Disassemble the Motor from the Bracket and disassemble the Motor Wire Connected. Samsung Electronics...
  • Page 16 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. Samsung Electronics...
  • Page 17 7) Loosen the fixing screws and detach the Cabinet Side. 1) Loosen the fixing bolt and detach & the Fan. Motor 2) Loosen 4 fixing bolts to detach the Motor. 3) Loosen 4 fixing bolts to detach the Bracket Motor. Samsung Electronics...
  • Page 18 Heat Exchanger 2) Disassemble the inlet and outlet pipe & by welding. Compressor 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. Samsung Electronics...

  • Page 19: Refrigerating Cycle Diagram

    Muffle Heating Accumulator Gas leak check point Compressor ✳ Amount of refilling per extension length of 1m; When extending the pipe length by more than 7.5m, 60gr of R410A; refrigerant should be refilled per extension length of 1m. Samsung Electronics...

  • Page 20: Set Up The Model Option

    ✳ 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 21 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press 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 its model. Samsung Electronics...
  • Page 22 Set Up the Model Option I OPTION ITEMS REMOTE CONTROL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL CH094EAM Samsung Electronics...

  • Page 23: Control Specification

    Setting switch for indoor unit installation numbers Counts of Indoor 10 11 12 13 14 15 Unit Installation Numbers of the switch G Example : When the installed indoor unit is one, control the arrow of switch forward to ‘0’ or ‘1’ as figure. Samsung Electronics...
  • Page 24 Adding refrigerant at Adding refrigerant at Displays data Reset heating mode cooling mode Test operation at Test operation at heating mode cooling mode Pump Down for recovery of refrigerant ✳ Use the K1 only for heat pump models. Samsung Electronics...
  • Page 25 Outdoor temperature Step of electronic expansion valve 120STEP (0 step : all closed, 480 step : all open) (12 x 10) -2 °C Temperature of evaporator 12 °C Indoor temperature 22 °C Stopping view mode & display communication data Samsung Electronics...

  • Page 26: Troubleshooting

    Error of setting option switches for optional accessories EEPROM error EEPROM option error : On : Flickering : Off ✳ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
  • Page 27 → E2 → E3 → E5 → P0 → P1 → P4 → P5 → P9 → 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 28: Wired Remote Controller

    (when it is detected more than once) Error of communication between the indoor unit and the wired Wired remote controller errors remote controller Master wired remote controller ↔ Slave wired remote controller COM1/COM2 Cross-installed error Error of setting option for wired remote controller COM2 Samsung Electronics...

  • Page 29: Sequence For Trouble Diagnosis

    K4 3 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics...
  • Page 30 K4 2 times. At this time, is occurred the difference PCB and sensor are between the out temp. and data? normal. To perform the test operation by one of K2 Reoperation after PCB replacement Samsung Electronics...
  • Page 31 K4 1 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics...
  • Page 32 PCB, and find the indoor unit preventing communication through connecting the communication connectors each by each, and then replace the indoor unit PCB after line check. Good +0.7V -0.7V Samsung Electronics...
  • Page 33 PCB after line check Samsung Electronics...
  • Page 34 PCB about AC220V? Does the water level decrease? Replace the drain pump Replace the indoor unit PCB Normal operation ❋ Note : E3 error should be released when Replace the drain pump indoor unit power is reset. Samsung Electronics...

  • Page 35: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 36 DB61-01522A BRACKET-SWITCH AVMCH052B11,-,-,-,-,-,- DB31-00204A MOTOR FAN OSME 396SAC(S809) DB90-00982A ASS'Y CABINET-BASE CH140EZM,NEW 4WAY CASSETTE DB97-02070C ASS'Y ACCESSORY HOSE -,-,-,-,ENGLISH,-,CH140EZM,HOSE DB39-00825B C/W FAN MOTOR SUB CH070EZM,-,-,- DB32-00067C THERMISTOR-WIRE IN PCB -,10Kohm,-,-20~100C DB32-00066D THERMISTOR-EVAP IN(CA) -,10Kohm,-,-,-20C~100C DB63-00058A GUARD-SAFETY SGCC M,T0.8,-,AG240E Samsung Electronics...
  • Page 37 6-2 Panel 14+31 30 29 19 20 Samsung Electronics...
  • Page 38 DB70-00302A PLATE HANGER STS304 DB65-00023A CLIP WIRE ASS'Y ASS'Y DB39-00082D CONNECT WIRE M-D ASS'Y DB39-00542C CONNECT WIRE MOTOR ASS'Y 6002-001079 SCREW TAPPING TH,+,2S,M4,L10 6002-000536 SCREW TAPPING PH,+,2S,M4,L8 6002-000534 SCREW TAPPING PH,+,2S,M3,L8 DB72-00298A SEAL CUSHION FLOCKED 6011-001493 BOLT-HEX M6,L10,ZPC(YEL) Samsung Electronics...
  • Page 39 6-3 Outdoor Unit 10-8 10-6 10-1 10-3 10-5 10-7 10-4 10-2 17-1 18-1 Samsung Electronics...
  • Page 40 GUIDE-SCREEN AP-L2340,P.E.H 100%,T2.5,1025,770,BLK,- DB63-00691A GUARD FAN AP-SR2370,HSWR,,,,SC-90073T,460 FAN 3u DB96-04497A ASS'Y COND UH094EAMC,- DB70-00163A PLATE-COND MH18VA1,SGCC-M, ,T0.8, ,-, ,-,MULTI-INVERTER DB96-03814B ASS'Y COLLECTOR ASS'Y COLLECTOR IN,,HEAT PUMP DB96-03815B ASS'Y DISTRIBUTOR ASS'Y DISTRIBUTOR OUT,HEAT PUMP DB90-00887F ASS'Y BASE OUT UH094EAMC,SSEC Samsung Electronics...

  • Page 41: Block Diagram

    - 485 comm applied, room temp. compensation - 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 sub-development according to the SVC structure Samsung Electronics...

  • Page 42: Wiring Diagram

    8. Wiring Diagram 8-1 Indoor Unit Code No : DB98-20413A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 43 8-2 Outdoor Unit Code No : DB98-19361A This Document can not be used without Samsung's authorization. Samsung Electronics...

  • Page 44: Schematic Diagram

    9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 45 9-2 Outdoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 46 ELECTRONICS This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. Feb. 2005. Any unauthorized use of Manual can be punished under applicable Printed in China. International and/or domestic law. Code No. DB98-22253A(1)

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