LG ATNH126ELFB Service Manual

LG ATNH126ELFB Service Manual

Universal system air conditioner
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LG
Universal System
Air Conditioner

SERVICE MANUAL

website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
LG

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Summary of Contents for LG ATNH126ELFB

  • Page 1: Service Manual

    website http://www.lgservice.com e-mail http://www.lgeservice.com/techsup.html Universal System Air Conditioner SERVICE MANUAL CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Precautions ....................3 I. Indoor Units Introduction......................8 Ceiling Cassette 4-way ..................10 Ceiling & Floor .......................37 Ceiling concealed Duct..................51 II. Outdoor Units Introduction......................73 MPS Variable Single A(AUUH-B, R410A) .............75 III. Troubleshooting Guide Self-diagnosis Function ..................99 Electronic Parts Troubleshooting Guide ..............100 IV.
  • Page 3: Indoor Units

    I. Indoor Units Introduction.......................8 Ceiling Cassette 4-way...................10 Ceiling & Floor ....................37 Ceiling Concealed Duct..................51 Service Manual 7...
  • Page 4: Introduction

    Introduction Introduction • Models List Model name Indoor unit Nominal capacity [Btu/h(kW)] Power Supply Chassis 12,000 18,000 24,000 30,000 36,000 48,000 60,000 Type Refrigerant name (3.5) (5.3) (7.0) (8.8) (10.6) (14.1) (17.6) ATNH ATNH 126ELFB 186ELFB Ceiling ATNH ATNH Cassette R410A 246FLFB 306FLFB...
  • Page 5: Model Number Nomenclature

    Introduction • Model Number Nomenclature Indoor unit A T N H 1 8 6 E L F B Serial Number Functions A : Basic B : Low Ambient C : Plasma Filter E : Elevation Grille F : Elevation Grille + Plasma Filter H : Plasma Filter + Low Ambient L : Nano Plasma M : Nano Plasma + Elevation Grille...
  • Page 6: Ceiling Cassette 4-Way

    Ceiling Cassette 4-way Ceiling Cassette 4-way Ceiling Cassette 4-way (R410A·Indoor Units) ATNH-EL/FL/DL Contents 1. Features & Benefits ................11 2. List of Functions..................15 3. Specifications..................16 4. Dimensional Drawings ................18 5. Wiring Diagrams ...................22 6. Piping Diagrams..................24 7. Operating Instructions................27 8. Installation.....................29 9.
  • Page 7: Features & Benefits

    Ceiling Cassette 4-way 1. Features & Benefits Convenience • Auto elevation grille(Accessory) • Tele control(Accessory) • LCD wired remote control • Group control • Central control(Accessory) • Weekly progam Cleanness • Plasma air purifying system • Hygienic and easy to clean filter Easy Installation •...
  • Page 8 Ceiling Cassette 4-way Plasma Air Purifying System The PLASMA Air Purifying Function not only removes micro- scopic contaminants and dust, but also removes house mites, pollen, and pet fur helps to prevent allergic diseases like asthma. Dust electrode discharge Dust particles Ionizer Photo-Catalyst Coated Mesh +4.8KV discharge...
  • Page 9: Child Lock Function

    Ceiling Cassette 4-way Child Lock Function -It prevents the children or others from tampering with the control buttons. Unit can be controlled by the wireless remote controller. This can be easily set by pressing timer key & Min key simultaneously. After child lock is set, pressing any key will display CL on the LCD for 3 seconds and all the keys will be ineffective.
  • Page 10: Auto Restart Operation

    Ceiling Cassette 4-way Weekly Program - On/Off schedule of operation for a period of ONE week. No need to turn the unit On/OFF manually during working days. On/Off time is scheduled in micom of the wired remote control. Operation Time Table (Example) Setting Temp.
  • Page 11: List Of Functions

    Ceiling Cassette 4-way 2. List of Functions Ceiling Cassette-4way Function ATNH-EL ATNH-FL ATNH-DL Air Discharge Outlet Airflow Direction control (left & right) Airflow Direction control (up & down) Auto Auto Auto Airflow Steps(Fan / Cool /Heat) 3/4/3 3/4/3 3/4/3 Auto Changeover Auto Elevation Grille Accessory Accessory...
  • Page 12: Specifications

    Ceiling Cassette 4-way 3. Specifications Indoor Unit Type Ceiling Cassette 4-way Model Indoor Unit ATNH126ELFB ATNH186ELFB ATNH246FLFB ATNH306FLFB Decoration Panel PT-HEC(F) PT-HEC(F) PT-HFC(F) PT-HFC(F) Nominal Cooling Capacity kcal/h(W) 3024(3517) 4536(5275) 6048(7033) 7056(8205) Btu/h 12000 18000 24000 28000 Nominal Heating Capacity...
  • Page 13 Ceiling Cassette 4-way Indoor Unit Type Ceiling Cassette 4-way Model Indoor Unit ATNH366DLFB ATNH486DLFB ATNH606DLFB Decoration Panel PT-HDC(F) PT-HDC(F) PT-HDC(F) Nominal Cooling Capacity kcal/h(W) 9072(10549) 12095(14067) 14112(16412) Btu/h 36000 48000 56000 Nominal Heating Capacity kcal/h(W) 10433(12130) 13305(15474) 15523(18053) Btu/h 41400 52800 61600 Air Circulation...
  • Page 14: Dimensional Drawings

    Ceiling Cassette 4-way 4. Dimensional Drawings ATNH-EL 600 (Ceiling opening) 39.5 521(Hanging bolt) 39.5 570 Unit size Unit:mm (unit : mm) Number Name Descripition Liquid pipe connection ø6.35 flare Gas pipe connection 12k: ø9.52, 18k: ø12.7 flare Drain pipe connection Power supply connection Air discharge grille Air suction grille...
  • Page 15 Ceiling Cassette 4-way ATNH-FL 790 (Ceiling opening) 572(Hanging bolt) 744 Unit size Unit:mm (unit : mm) Number Name Descripition Liquid pipe connection ø6.35 flare Gas pipe connection 24K: ø12.7, 30K: ø15.88 flare Drain pipe connection Power supply connection Air discharge grille Air suction grille Service Manual 19...
  • Page 16 Ceiling Cassette 4-way ATNH-DL 875 (Ceiling opening) 785(Hanging bolt) 840 Unit size Unit:mm (unit : mm) Number Name Descripition Liquid pipe connection 36k:ø6.35, 48/60k: ø9.52 flare Gas pipe connection 36k:ø15.88, 48/60k: ø19.05flare Drain pipe connection Power supply connection Air discharge grille Air suction grille 20 Universal System Air Conditioner...
  • Page 17 Ceiling Cassette 4-way PT-HEF/HFF/HDF (unit : mm) Model PT-HEF PT-HFF PT-HDF Unit Service Manual 21...
  • Page 18: Wiring Diagrams

    Ceiling Cassette 4-way 5. Wiring Diagrams 5.1 Wiring Diagrams(Product) CONNECTOR NUMBER LOCATION CN-POWER AC POWER SUPPLY CN-MOTOR BLDC FAN MOTOR OUTPUT CN-D/PUMP DRAIN PUMP OUTPUT CN-DISP DISPLAY CN-FLOAT FLOAT SWITCH INPUT CN-PTC PTC HEATER INUT CN-REMO REMOTE CONTROL CN-GRILL GRILL CONTROL CN-CC CENTRAL CONTROL CN-PIPE2...
  • Page 19 Ceiling Cassette 4-way 5.2 Wiring Diagrams(Elevation Grill) PT-HEF PT-HFF/HDF Service Manual 23...
  • Page 20: Piping Diagrams

    Ceiling Cassette 4-way 6. Piping Diagrams :Cooling Heat Exchanger :Heating Turbo Fan lndoor unit : Thermistor Refrigerant pipe connection port diameter [unit: mm(inch)] Model Liquid ATNH126ELFB 9.52(3/8) ATNH186ELFB 12.7(1/2) 6.35(1/4) ATNH246FLFB ATNH306FLFB 15.88(5/8) ATNH366DLFB ATNH486DLFB 19.05(3/4) 9.52(3/8) ATNH606DLFB 24 Universal System Air Conditioner...
  • Page 21: Operating Instructions

    Ceiling Cassette 4-way 7. Operating Instructions Name and Function of Remote Controller AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp Heat Pump Model AUTO Heater Preheat Defrost Humidify Filter Out door 1 2 3 4 Time ZONE Operation unit Program set Timer...
  • Page 22 Ceiling Cassette 4-way Wireless Remote Controller (optional) This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it. 1. START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again.
  • Page 23 Ceiling Cassette 4-way ELEVATION GRILL (REMOTE CONTROLLER_Accessory) • Main Components of Lift Grill Signal transmitter Lift grill front panel assembly Bolts for installation (4 EA, P/No. 3A00255K) Instruction manual Ascend Remote Controller for lift grill Descend Stop • How to Use Remote Controller As for operation of Remote Controller, use it by directing the trans- mitter part of Remote Controller to the receiver part of front panel directly under front panel.
  • Page 24 Ceiling Concealed Duct • How to Operate the Lift Grill • Always stop the air conditioner operation for safety before operating lift grill. • Take heed _ there is worry about dust fall etc. when suction grill descends. • In case when the set automatic stop distance goes wrong, check the set value of operation panel and con- firm if there is neither obstacle nor mankind.
  • Page 25: Installation

    Ceiling Cassette 4-way 8. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Anti-bacteria filter Intake Air Outlet...
  • Page 26: Ceiling Opening Dimensions And Hanging Bolt Location

    Ceiling Cassette 4-way 8.2 Ceiling opening dimensions and hanging bolt location • The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions. Ceiling Ceiling board Level gauge TE Model TF Model TD Model 600 (Ceiling opening) 790 (Ceiling opening) 875 (Ceiling opening)
  • Page 27: Wiring Connection

    Ceiling Cassette 4-way Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 Air Conditioner body (W3/8 or M10) (accessory) Ceiling board Ceiling board Spring washer (M10) Flat washer for M10 (accessory) Set screw of Paper pattern...
  • Page 28: Installation Of Decoration Panel

    Ceiling Cassette 4-way 8.4 Installation of Decoration Panel Before installing the decoration panel, The decoration panel has its installation always remove the paper template. direction. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included the indoor unit box.
  • Page 29 Ceiling Cassette 4-way 8.5 Installation of Decoration Panel(Elevation Grille) Before installing the decoration panel, The decoration panel has its installation always remove the paper template. direction. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included unit box.
  • Page 30 Ceiling Concealed Duct • Don't lay any material upon suction grill. • Suction grill comprises 2 strands of wire. If any substance is placed on it then balance may be destroyed so that the substance would drop down and cause a breakage or damage. Also the matter may cause trouble owing to which the grill would not be correctly inserted at front panel.
  • Page 31: Indoor Unit Drain Piping

    Ceiling Cassette 4-way 8.5 Indoor Unit Drain Piping Upward Pipe clamp routing • Drain piping must have down-slope (1/50 to 1/100): be sure not allowed not to provide up-and-down slope to prevent reversal flow. Indoor unit • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 32: Accessories

    Ceiling Cassette 4-way 9. Accessories Standard Accessories Washer for Insulation for (Other) Clamp Clamp metal Name Drain hose hanging backet fitting Quantity 1 EA 1 EA 8 EA 8 EA 1 SET • Paper pattern for installation • Owner's manual •...
  • Page 33: Ceiling & Floor

    Ceiling & Floor Ceiling & Floor Ceiling & Floor (R410A·Indoor Units) AVNH-EL/BL Contents 1. Features & Benefits ................38 2. List of Functions..................39 3. Specifications..................40 4. Dimensional Drawings ................41 5. Wiring Diagrams ...................43 6. Piping Diagrams..................44 7. Operating Instructions................45 8. Installation.....................46 9.
  • Page 34: Features & Benefits

    Ceiling & Floor 1. Features & Benefits Flexible Installation Low noise 4-Way Airflow Direction Control (Automatic Vertical airflow & Manual Horizontal airflow) LCD Wireless Remote Control Flexible Installation It can be installed on the floor or ceiling according to your need. <Ceiling Installation>...
  • Page 35: List Of Functions

    Ceiling & Floor 2. List of Functions Ceiling & Floor (Convertible) Function AVNH-EL AVNH-BL Air Discharge Outlet Airflow Direction control (left & right) Manual Manual Airflow Direction control (up & down) Auto Auto Airflow Steps(Fan / Cool /Heat) 3/3/3 3/3/3 Auto Changeover Auto Operation Auto Restart Operation...
  • Page 36: Specifications

    Ceiling & Floor 3. Specifications Indoor Unit Type Ceiling & Floor (Convertible) Model AVNH126ELAB AVNH186BLAB AVNH246BLAB AVNH306BLAB Nominal Cooling Capacity kcal/h(W) 3024(3517) 4536(5274) 6048(7032) 6653(7737) Btu/h 12000 18000 24000 26400 Nominal Heating Capacity kcal/h(W) 3478(4044) 5116(5949) 6955(8089) 7635(8880) Btu/h 13800 20300 27600 30300...
  • Page 37: Dimensional Drawings

    Ceiling & Floor 4. Dimensional Drawings AVNH-EL Signal receiver & Operation indicator Air discharge grille (Unit: mm) Note: 1. Pipe Specification(mm) Model Liquid Ø 6.35 Ø 9.52 Air suction grille <Ceiling Installation> <Floor Installation> More than 20Cm More than 20Cm More than 20Cm More than 5Cm More than 5Cm...
  • Page 38 Ceiling & Floor AVNH-BL 1 2 0 0 Ø10 Stud Bolt hole (Rear Side) (Installation Plate) (Unit: mm) Note: 1. Pipe Specification(mm) Model Liquid 18k, 24k Ø 6.35 Ø 12.7 More than Ø 6.35 Ø 15.88 More than 20cm 20cm More than 20cm More than...
  • Page 39: Wiring Diagrams

    Ceiling & Floor 5. Wiring Diagrams AVNH-EL WIRING DIAGRAM STEP MOTOR S/W2 CN-UD1 S/W1 AC PCB ASSY A/CL UNIT GN/YL DC PCB ASSY GN/YL FUSE CN-TH1 CN-TH2 CN-FLOAT CN-DISP MOTOR DPUMP IN-PIPE THERMISTOR INDOOR DRAIN OPTION DISPLAY ROOM OUT-PIPE MOTOR PUMP PCB ASSY FLOAT S/W...
  • Page 40: Piping Diagrams

    Ceiling & Floor 6. Piping Diagrams :Cooling Heat Exchanger :Heating C.F.F. lndoor unit : Thermistor Refrigerant pipe connection port diameter [unit: mm(inch)] Model Liquid AVNH126ELAB 9.52(3/8) AVNH186BLAB 6.35(1/4) 12.7(1/2) AVNH246BLAB AVNH306BLAB 15.88(5/8) 44 Universal System Air Conditioner...
  • Page 41: Operating Instructions

    Ceiling & Floor 7. Operating Instructions Remote Control Operation The Remote Controller transmits the signals to the system. 1. START/STOP BUTTON Operation starts when this button is pressed and stops when Signal transmitter the button is pressed again. 2. OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 42: Installation

    Ceiling & Floor 8. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Installation Parts Provided Installation Plate (VB, 2pcs) -1 Installation Plate (VE, 1pc)
  • Page 43 Ceiling & Floor 8.1 Selection of the best location More than 20cm • There should not be any heat source or steam near the More than 20cm unit. • There should not be any obstacles to the air circulation. More than eye-level •...
  • Page 44 Ceiling & Floor CAUTION 1. Install declination of the indoor unit is very important for the drain of the convertible type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 7mm. 3. If the Installation Plates are fixed to horizontal line, the indoor unit after installing will be declined to the bottomside.
  • Page 45 Ceiling & Floor CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specially for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit.
  • Page 46: Accessories

    Ceiling & Floor 9. Accessories Standard Accessories Washer for Insulation for (Other) Name Clamp metal Drain hose Clamp hanging backet fitting Quantity 1 EA 1 EA 8 EA 6 EA 1 set • Owner's manual • Installation manual Shape for gas pipe for liquid pipe Optional Accessories(For Unit) Item...
  • Page 47: Ceiling Concealed Duct

    Ceiling Concealed Duct Ceiling Concealed Duct Ceiling Concealed Duct (R410A·Indoor Units) ABNH-HL/GL/RL Contents 1. Features & Benefits ................52 2. List of Functions..................54 3. Specifications..................55 4. Dimensional Drawings ................57 5. Wiring Diagrams ...................58 6. Piping Diagrams..................59 7. E.S.P. Setting for ...............60 8.
  • Page 48: Features & Benefits

    Ceiling Concealed Duct 1. Features & Benefits Easy Installation • Compact & light design • (Linear E.S.P Control) • High head drain pump(700mm, Accessory) Comfort & Reliability • Low noise design • 2-Thermistor control(Main body & Remote control) • Zero stanby power consumption Convenience •...
  • Page 49 Ceiling Concealed Duct LG’s High Technology provide Easy and Low cost Design of Duct work Generally, when External Static Pressure increases air volume decreases. But by controlling the phase of motor while installing the product E.S.P. is controlled from 8~10 mmAq linearly. E.S.P. control provides required constant air volume irrespective of ESP change.
  • Page 50: List Of Functions

    Ceiling Concealed Duct 2. List of Functions Ceiling Concealed Duct Function ABNH-HL ABNH-GL ABNH-RL Air Discharge Outlet Airflow Direction control (left & right) Airflow Direction control (up & down) Airflow Steps(Fan / Cool /Heat) 3/3/3 3/3/3 3/3/3 Auto Changeover Auto Operation Auto Restart Operation Auto Swing Central Control...
  • Page 51: Specifications

    Ceiling Concealed Duct 3. Specifications Indoor Unit Type Ceiling Concealed Duct Model ABNH186HLAB ABNH246HLAB ABNH306GLAB Nominal Cooling Capacity kcal/h(W) 4536(5275) 6048(7034) 7560(8791) Btu/h 18000 24000 30000 Nominal Heating Capacity kcal/h(W) 5116(5949) 6955(8089) 8694(10110) Btu/h 20300 27600 34500 Air Circulation H/M/L CMM(CFM) 16.5/14.5/13(583/512/459) 18/16.5/14(636/583/494) 26.5/23/20(936/812/706) External Static Pressure...
  • Page 52 Ceiling Concealed Duct Indoor Unit Type Ceiling Concealed Duct Model ABNH366GLAB ABNH486RLAB ABNH606RLAB Nominal Cooling Capacity kcal/h(W) 9072(10549) 12095(14067) 14112(16412) Btu/h 36000 48000 56000 Nominal Heating Capacity kcal/h(W) 10433(12130) 13305(15474) 15523(18053) Btu/h 41400 52800 61600 Air Circulation H/M/L CMM(CFM) 32/29/26(1130/1024/918) 40/35/30(1413/1236/1059) 50/45/40(1766/1413/1236) External Static Pressure mmAq...
  • Page 53: Dimensional Drawings

    Ceiling Concealed Duct 4. Dimensional Drawings ABNH-HL, GL, RL Note: 1. Pipe Specification(mm) Model Liquid 18, 24k Ø 12.7 Ø 6.35 30, 36 Ø 15.88 48, 60k Ø 9.52 Ø 19.05 (Unit: mm) Capacity ABNH186HLAB 932 882 355 45.5 450 163 260 61.5 243 212.3 243 110 130 30 158.5 ABNH246HLAB...
  • Page 54: Wiring Diagrams

    Ceiling Concealed Duct 5. Wiring Diagrams ABNH-HL, ABNH-GL ROOM. IN-PIPE. OUT-PIPE. CENTRAL CONTROL REMOTE A/CL THERMISTOR THERMISTOR THERMISTOR TELE CONTROL CONTROL UNIT HEATER DRY CONTACT CN-CC CN-PIPE1 CN-REMO CN-PIPE2 CN-ROOM CN-AIRC CN-PTC VENTILATION E/HEATER GN/YL FUSE CN-POWER CN-DISP CN-MOTOR CN-DPUMP OPTION RF-REMOTE CONTROL...
  • Page 55: Piping Diagrams

    Ceiling Concealed Duct 6. Piping Diagrams :Cooling Heat Exchanger :Heating Sirocco Fan lndoor unit : Thermistor Refrigerant pipe connection port diameter [unit: mm(inch)] Model Liquid ABNH186HLAB 12.7 (1/2) ABNH246HLAB 6.35 (1/4) ABNH306GLAB 15.88(5/8) ABNH366GLAB ABNH486RLAB 19.05(3/4) 9.52(3/8) ABNH606RLAB Service Manual 59...
  • Page 56: Setting For

    Ceiling Concealed Duct 7. E.S.P. Setting for (E.S.P. Control) provide required constant air volume irrespective of E.S.P. charge. (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. Without Zone System 1.
  • Page 57 Ceiling Concealed Duct How to Set E.S.P? Procedure of RPM change: Ex) External Static pressure is 4mmAq for Model Name "ABNH246HLAB". • To protect the unit, compressor is designed to be off during E.S.P. setting. Push the "On/Off" button. AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION...
  • Page 58 Ceiling Concealed Duct Table 7-1 Static Pressure(mmAq) Step CMM(CFM) Model Name Setting Value High 16.5(583) ABNH186HLAB 14.5(512) 13(459) High 18(636) ABNH246HLAB 16.5(583) 14(494) High 26.5(936) ABNH306GLAB 23(812) 20(706) High 32(1130) ABNH366GLAB 29(1024) 26.5(936) High 40(1412) ABNH486RLAB 35(1235) 30(1059) High 50(1766) ABNH606RLAB 45(1589) 40(1423)
  • Page 59 Ceiling Concealed Duct Table 7-2 Static Pressure(mmAq) Setting Model Name Step Value CMM(CFM) High 22(777) 21(742) 19.8(669) 18.3(646) 16.5(583) ABNH186HLAB 18.5(653) 17.8(629) 17.1(604) 16.2(572) 14.5(512) 16.1(569) 15.6(551) 15.1(533) 14.2(501) 13(459) High 24(848) 22.5(795) 20.8(735) 19(671) 18(636) ABNH246HLAB 21.3(752) 19.9(703) 18.7(660) 17.2(607) 16.5(583) 17(600)
  • Page 60: Operating Instructions

    Ceiling Concealed Duct 8. Operating Instructions Name and Function of Remote Controller AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door Time 1 2 3 4 ZONE Timer Operation unit Program set Set no.
  • Page 61: Wireless Remote Controller

    Ceiling Concealed Duct Optional Function • Wireless Remote Controller This air-conditioner is equipped with wired remote controller basically. But if you want to have the wireless remote controller, you pay for it. 1. FAN Operation Button Signal transmitter Used to circulate room air without cooling or heat- Transmits the signals to the signal receptor.
  • Page 62: Installation

    Ceiling Concealed Duct 9. Installation • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Air outlet vents Air filters Air intake vents...
  • Page 63 Ceiling Concealed Duct 9.2 Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Apply a filter Accessory at air return hole. •...
  • Page 64 Ceiling Concealed Duct • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the suspen- • Drill the hole for set anchor on the face of ceiling. sion bolts for locking the suspension bolts on the ceiling.
  • Page 65: Checking The Drainage

    Ceiling Concealed Duct 9.4 Insulation THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose crip for thermal insulator (Local supply) Overlap with thermal Thermal insulator for refrigerant pipe...
  • Page 66 Ceiling Concealed Duct CAUTION 1. Decline Installation of indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe should be 5mm. Front of view • The unit must be or declined to wards drain hose while installation. Ceiling Drainage hole Drainage hole...
  • Page 67: Accessories

    Ceiling Concealed Duct 10. Accessories Standard Accessories Screws for Insulation for Clamp (Other) Name Clamp metal Drain hose duct flanges fitting Quantity 1 EA 1 EA 1 set 6 EA 1 set • Owner's manual • Installation manual • Washers(8 pcs.) Shape for gas pipe for liquid pipe...
  • Page 68: Outdoor Units

    II. Outdoor Units Introduction ....................73 MPS Variable SINGLE A ................75 72 Universal System Air Conditioner...
  • Page 69: Introduction

    The indoor units are ceiling cassette, ceiling concealed duct and ceiling & floor types. Outdoor unit Indoor unit Type Model name Ceiling Cassette ATNH126ELFB AUUH126B Ceiling & Floor AVNH126ELAB Ceiling Cassette ATNH186ELFB AUUH186B Ceiling & Floor...
  • Page 70 Introduction • Model Number Nomenclature A U U H 1 8 6 B Serial Number Electric Standard (Phase, Volts, Freq) 6:1Ø,220V~240V,50Hz 8:3Ø,380V~415V,50Hz Nominal Cooling Capacity in Btu/h 60 : 60,000 Btu/h 12 : 12,000 Btu/h 18 : 18,000 Btu/h 24 : 24,000 Btu/h 30 : 30,000 Btu/h 36 : 36,000 Btu/h 48 : 48,000 Btu/h...
  • Page 71: Mps Variable Single A(Auuh-B, R410A)

    MPS Variable SINGLE A MPS Variable SINGLE A (R410A·Outdoor Units) AUUH-B Contents 1. Features & Benefits ................76 2. Specifications..................78 3. Dimensional Drawings ................82 4. Wiring Diagrams ...................86 5. Piping Diagrams..................90 6. Electric Characteristics .................93 7. Operation Range...................94 8. Installation.....................95 Service Manual 75...
  • Page 72: Features & Benefits

    MPS Variable SINGLE A 1. Features & Benefits MPS(Multi Power System) Variable Control : (Except: AUUH126B/186B/246B/608B) Big Energy Saving with MPS Variable Control • Basic Principle of MPS Variable Control MPS control provides comfortable and convenient environment as there are two compressors with 60&40% load sharing with on compressor of small capacity always working to maintain the set temperature conditions &...
  • Page 73: Low Ambient Control

    It can prevent frosting of evaporator and keep cooling operation on. 138%~133% Heating Capacity Improved 124% • Using MPS technology, LG's air conditioning sys- 120%~115% tem achieved world's best wide range of opera- 112% 120% tion which is from 12%~120% in cooling mode...
  • Page 74: Specifications

    MPS Variable SINGLE A 2. Specifications Nominal Capacity and Nominal Input For combination indoor units + outdoor units : Indoor Units ATNH126ELFB ATNH186ELFB ATNH246FLFB ATNH306FLFB Outdoor Units AUUH126B AUUH186B AUUH246B AUUH306B Nominal Capacity Cooling Btu/h 12,000 18,000 24,000 28,000 3,517...
  • Page 75 MPS Variable SINGLE A Nominal Capacity and Nominal Input For combination indoor units + outdoor units : Indoor Units ATNH366DLFB ATNH486DLFB ATNH606DLFB Outdoor Units AUUH368B AUUH488B AUUH608B Nominal Capacity Cooling Btu/h 36,000 48,000 56,000 10,549 14,067 16,412 Heating Btu/h 41,400 55,200 64,400 12,130...
  • Page 76 MPS Variable SINGLE A Technical Specification Outdoor Units AUUH126B AUUH186B AUUH246B AUUH306B Running Current Cooling/Heating 5/5.1 8.3/8.9 10.8/11.2 18.8/16.2 Starting Current Cooling/Heating Power Supply Ø,V,Hz 1,220~240,50 1,220~240,50 1,220~240,50 1,220~240,50 Power Factor Compressor Type Rotary Rotary Rotary Rotary (Constant) Model GK151PAC 5KS225DAF21 GP290PAC 5KS225DKSM...
  • Page 77 MPS Variable SINGLE A Technical Specification Outdoor Units AUUH368B AUUH488B AUUH608B Running Current Cooling/Heating 7.8/9.9 10.0/9.5 13.6/10.9 Starting Current Cooling/Heating Power Supply Ø,V,Hz 3,380~415,50 3,380~415,50 3,380~415,50 Power Factor Compressor Type Rotary Rotary SCROLL (Constant) Model 5KS225PAA21 GPT330Y AR073YA Quantity Motor Input 2,065 2,550 6,473...
  • Page 78: Dimensional Drawings

    MPS Variable SINGLE A 3. Dimensional Drawings AUUH126B Gas side (3-way valve) Liquid side (2-way valve) MODEL AUUH126B unit 82 Universal System Air Conditioner...
  • Page 79 MPS Variable SINGLE A AUUH186B/AUUH246B/AUUH306B Air discharge grille Model AUUH186B AUUH246B/306B Dimensions 74.5 74.5 Ø6.35 Ø6.35 Ø12.7 24k : Ø12.7, 30k : Ø15.88 Service Manual 83...
  • Page 80 MPS Variable SINGLE A AUUH368B 4-holes for anchor bolts (Unit: mm) Number Name Descripition Liquid side service valve(mm) Ø6.35 Gas side service valve(mm) Ø15.88 Air discharge grill Control Cover 84 Universal System Air Conditioner...
  • Page 81 MPS Variable SINGLE A AUUH488B/AUUH608B 4-hole for anchor bolts Control cover Liquid side 3-way valve Gas side 3-way valve Model AUUH488B/AUUF608B Dimensions 1,165 1,135 Ø9.52 Ø19.05 Service Manual 85...
  • Page 82: Wiring Diagrams

    MPS Variable SINGLE A 4. Wiring Diagrams AUUH126B AUUH186B 86 Universal System Air Conditioner...
  • Page 83 MPS Inverter SINGLE A AUUH246B AUUH306B Service Manual 87...
  • Page 84 MPS Inverter SINGLE A AUUH368B AUUH488B 88 Universal System Air Conditioner...
  • Page 85 MPS Variable SINGLE A AUUH608B Service Manual 89...
  • Page 86: Piping Diagram

    MPS Variable SINGLE A 5. Piping Diagram AUUH126B OUTDOOR UNIT Refrigerant Flow Reversing Cooling Valve Heating Thermistor Accumulator Heat Exchanger Constant Compressor (Ø 9.52mm) Capillary Thermistor Field Piping Liquid (Ø 6.35mm) AUUH186B/246B OUTDOOR UNIT Refrigerant Flow Reversing Cooling Valve Heating Thermistor Thermistor Thermistor...
  • Page 87 MPS Variable SINGLE A AUUH306B OUTDOOR UNIT Reversing Refrigerant Flow Valve Cooling Heating Thermistor Thermistor Thermistor Check Check Valve Valve Accumulator Heat Exchanger Constant Compressor*2 (Ø15.88mm) Field Piping Thermistor L.E.V. Liquid (Ø6.35mm) AUUH368B OUTDOOR UNIT Reversing Refrigerant Flow Valve Cooling Heating Thermistor Thermistor...
  • Page 88 MPS Variable SINGLE A AUUH488B OUTDOOR UNIT Refrigerant Flow Reversing Valve Cooling Heating Thermistor Thermistor Check Check Valve Valve Thermistor Heat Accumulator Exchanger Constant Compressor*2 L.E.V. (Ø19.05mm) Thermistor Field Piping Liquid (Ø9.52mm) Receiver OUTDOOR UNIT AUUH608B Refrigerant Flow Reversing Valve Cooling Heating Thermistor...
  • Page 89: Electric Characteristics

    MPS Variable SINGLE A 6. Electric Characteristics Models Power Supply Compressor Voltage Indoor Unit Outdoor Unit Hz, Volts MCA MFA range ATNH126ELFB AUUH126B 0.51 0.018 0.35 0.026 AVNH126ELAB 0.51 0.018 0.23 ATNH186ELFB 12.3 0.022 0.43 ABNH186HLAB AUUH186B 12.8 33.8 0.067 0.118...
  • Page 90: Operation Range

    MPS Variable SINGLE A 7. Operation Range Item Range Inlet air temperature (Cooling) 46(114.8) Standard operation -10(14) 14(57.2) 24(75.2) Indoor air temperature °C W.B.(°F) Inlet air temperature (Heating) 15.5(59.9) Standard operation -10(14) 14(57.2) 28(82.4) Indoor air temperature °C D.B.(°F) Power source voltage Rating ±10% Voltage at starting Min.
  • Page 91: Installation

    MPS Variable SINGLE A 8. Installation 8.1 Selection of the best location • If a roof is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted. • Do not place animals and plants in the path of the warm air. •...
  • Page 92 MPS Variable SINGLE A 8.3 Piping length and the elevation Pipe Size Length Elevation *Additional Capacity (Diameter:Ø) refrigerant(g/m) Liquid Standard Max. Standard Max. 3/8" 1/4" 12k Btu/h (9.52mm) (6.35mm) 1/2" 1/4" 18k Btu/h (12.7mm) (6.35mm) 1/2" 1/4" 24k Btu/h (12.7mm) (6.35mm) 5/8"...
  • Page 93: Heat Pump Model

    MPS Variable SINGLE A 8.5 Wiring Connection 1. All wiring must comply with LOCAL REGULATIONS. 2. Select a power source that is capable of supplying the current as required by the air conditioner. 3. Feed the power source to the unit via a distribution switch board designed for this purpose. 4.
  • Page 94: Troubleshooting Guide

    Troubleshooting Guide III. Troubleshooting Guide Self-diagnosis Function .................99 Electronic Parts Troubleshooting Guide ............100 98 Universal System Air Conditioner...
  • Page 95: Self-Diagnosis Function

    Troubleshooting Guide Self-diagnosis Function Error Indicator The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble. If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed. After error occurrence, if error is released, error LED is also released simultaneously. Having or not of error code is different from Model.
  • Page 96: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide Electronic Parts Troubleshooting Guide 1. The Outdoor Unit does not operate at all Does the Operating LED of indoor unit blink Refer to the self-diagnosis function. when Operation’s ON? Is the Connection between CN-Power of indoor Check the connecting state of connector unit and terminal block? Indoor...
  • Page 97 Electronic Parts Troubleshooting Guide 2. The product is not operate with the remote controller. Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller.
  • Page 98 Electronic Parts Troubleshooting Guide 3. When cooling does not operate Turn on Main Power Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is less than one of the indoor temperature by 1°C at least. When in Air Circulation Mode, Compressor/Outdoor Fan is stopped. Check the sensor for indoor temperature is attached as close as to be effected by the temperature of Heat Exchanger(EVA).
  • Page 99 Electronic Parts Troubleshooting Guide 4. When Heating does not operate Turn ON Main Power Operate “Heating Mode( )” by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2°C at least. In heating Mode, the indoor fan operates in case the pipe temperature is higher than 28°C.
  • Page 100 Electronic Parts Troubleshooting Guide 5. When indoor Fan does not operate Turn off Main power Check the connection of CN-FAN or CN-MOTOR Check the Fan Motor Check the Fuse(AC250V/T2A) Check the related circuit of indoor Fan Motor. • The pin of Micom, and the part for driving SSR •...
  • Page 101 Electronic Parts Troubleshooting Guide 6. When Vertical Louver does not operate • Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor. • If the regular torque is detected when rotating the Vertical Louver with hands Normal •...
  • Page 102: Electronic Control Device

    Electronic Control Device IV. Electronic Control Device Ceiling Cacsette Type...................107 Ceiling Duct Type..................108 Celing & Floor ....................110 106 Universal System Air Conditioner...
  • Page 103: Ceiling Cassette Type

    Electronic Control Device Ceiling Cacsette Type Main P.C.B ASM Service Manual 107...
  • Page 104: Ceiling Duct Type

    Electronic Control Device Ceiling Duct Type (BH Series) 108 Universal System Air Conditioner...
  • Page 105 Electronic Control Device (BG/BR Series) Service Manual 109...
  • Page 106: Ceiling & Floor

    Electronic Control Device Ceiling & Floor (VE Series) 110 Universal System Air Conditioner...
  • Page 107 Electronic Control Device (VB Series) Service Manual 111...
  • Page 108: Schematic Diagram

    Schematic Diagram V. Schematic Diagram Ceiling Cacsette Type...................113 Ceiling Duct Type..................114 Celing & Floor ....................115 112 Universal System Air Conditioner...
  • Page 109: Ceiling Cassette Type

    Schematic Diagram Ceiling Cassette Type Service Manual 113...
  • Page 110: Ceiling Duct Type

    Schematic Diagram Ceiling Duct Type 114 Universal System Air Conditioner...
  • Page 111: Ceiling & Floor

    Schematic Diagram Ceiling & Floor Service Manual 115...
  • Page 112: Indoor Units

    Exploded View & Replacement Parts List VI. Exploded View & Replacement Parts List Indoor Unit ....................117 Outdoor Unit ....................135 Panel Assembly, Front .................149 116 Universal System Air Conditioner...
  • Page 113 Exploded View & Replacement Parts List Ceiling Cassette 4-way Ceiling Cassette Type ATNH-EL 266090 249951 268714 263230-1 159830 354211 35211A 352118 263230-2 263230-3 330870 158591 266012 Service Manual 117...
  • Page 114 Exploded View & Replacement Parts List 130411 W0CZZ 346811 359011 130911-2 130911-1 267110-1 267110-2 118 Universal System Air Conditioner...
  • Page 115 Exploded View & Replacement Parts List ATNH-FL 349490 266090 249951 354211-2 268714 354211-1 263230-1 159830 352118-2 263230-2 552111 263230-3 352118-1 158591 266012 330870 Service Manual 119...
  • Page 116 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-2 130911-1 267110-2 267110-1 120 Universal System Air Conditioner...
  • Page 117 Exploded View & Replacement Parts List ATNH-DL 349490 249951 266090 268714 159830 263230-1 354211-2 130411 354211-1 263230-2 552111 263230-3 352118-1 330870 158591 266012 Service Manual 121...
  • Page 118 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-2 130911-1 267110-1 267110-2 352150-2 122 Universal System Air Conditioner...
  • Page 119 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE ATNH126ELFB ATNH186ELFB 130411 BASE ASSEMBLY,WELD(INDOOR) 3041A10013A 3041A10013A 130911-1 CABINET ASSEMBLY,INDOOR 3091A10023C 3091A10023C 130911-2 CABINET ASSEMBLY,INDOOR 3091A10023D 3091A10023D 158591 PUMP ASSEMBLY,WATER 5859A20001M 5859A20001M 159830 AIR CLEANER ASSEMBLY...
  • Page 120 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ATNH246FLFB ATNH306FLFB 130411 BASE ASSEMBLY,WELD(INDOOR) 3041A10030B 3041A10030B 130911-1 CABINET ASSEMBLY,INDOOR 3091A10051C 3091A10051C 130911-2 CABINET ASSEMBLY,INDOOR 3091A10051D 3091A10051D 158591 PUMP ASSEMBLY,WATER 5859A20001K 5859A20001K 159830 AIR CLEANER ASSEMBLY 5983A10002A 5983A10002A 249951 CONTROL BOX ASSEMBLY,INDOOR 4995A10093Y...
  • Page 121 Exploded View & Replacement Parts List Parts List Part No. LOCA SVC CODE DESCRIPTION TION No. ATNH366DLFB ATNH486DLFB ATNH606DLFB 130411 BASE ASSEMBLY,WELD(INDOOR) 3041A10016A 3041A10016A 3041A10016A 130911-1 CABINET ASSEMBLY,INDOOR 3091A20035A 3091A20035A 3091A20035A 130911-2 CABINET ASSEMBLY,INDOOR 3091A20035B 3091A20035B 3091A20035B 158591 PUMP ASSEMBLY,WATER 5859A20001D 5859A20001D 5859A20001D...
  • Page 122 Exploded View & Replacement Parts List Ceiling Concealed Duct Type ABNH-HL, ABNH-GL 336610-1 359012-1 346810 359012-2 336610-1 336610-2 W0CZZ 263230-3 267110-1 263230-2 354210 263230-1 249951 268714 267110-1 152302 552111 352118 330870 126 Universal System Air Conditioner...
  • Page 123 Exploded View & Replacement Parts List ABNH-RL Service Manual 127...
  • Page 124: Parts List

    Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH186HLAB ABNH246HLAB 336610-1 HOUSING (MECH),WRAPPER 3660A20017A 3660A20017A 336610-2 HOUSING (MECH),WRAPPER 3660A20018A 3660A20018A 346810 MOTOR ASSEMBLY,INDOOR 4681A10013C 4681A10013C 359012-1 FAN ASSEMBLY,BLOWER 5901A10026A 5901A10026A 359012-2 FAN ASSEMBLY,BLOWER 5901A10028B 5901A10028B W0CZZ CAPACITOR,DRAWING...
  • Page 125 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH306GLAB ABNH366GLAB 336610-1 HOUSING (MECH),WRAPPER 3660A20019A 3660A20019A 336610-2 HOUSING (MECH),WRAPPER 3660A20020A 3660A20020A 346810 MOTOR ASSEMBLY,INDOOR 4681A10013J 4681A10013A 359012-1 FAN ASSEMBLY,BLOWER 5901A10026A 5901A10026A 359012-2 FAN ASSEMBLY,BLOWER 5901A10028J 5901A10028A W0CZZ CAPACITOR,DRAWING 2A00986D 2A00986D...
  • Page 126 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH486RLAB ABNH606RLAB 336600-1 HOUSING (MECH),WRAPPER 3660A20044A 3660A20044A 336600-2 HOUSING (MECH),WRAPPER 3660A20045A 3660A20045A 346810 MOTOR ASSEMBLY,INDOOR 4681A10032A 4681A10032A 359012-1 FAN ASSEMBLY,BLOWER 5901A10051A 5901A10051A 359012-2 FAN ASSEMBLY,BLOWER 5901A10053A 5901A10053A W0CZZ CAPACITOR,DRAWING 0CZZA20001B 0CZZA20001B...
  • Page 127 Exploded View & Replacement Parts List Ceiling & Floor Type AVNH-EL 137211 135310 268712 147581 152302 135313 146811 733010 131410 267110 W0CZZ 330870 266000 135500 346810 131410 354212 263230-1 35211B 268715 352150 268716 263230-2 W4810 266000 359011 249951 342800 330780 Service Manual 131...
  • Page 128 Exploded View & Replacement Parts List AVNH-BL 132 Universal System Air Conditioner...
  • Page 129 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AVNH126ELAB 137211 PANEL ASSEMBLY,FRONT(INDOOR) 3721A10092A 146811 MOTOR ASSEMBLY,STEP 4681A20055A 147581 LOUVER,HORIZONTAL 4758A10006A 152302 FILTER(MECH),A/C 5230A10009A 249951 CONTROL BOX ASSEMBLY,INDOOR 4995A20356G 266000 SWITCH,PUSH 6600AP2059B 267110 REMOTE CONTROLLER ASSEMBLY 6711A20096A 268712 PWB(PCB) ASSEMBLY,DISPLAY...
  • Page 130 Exploded View & Replacement Parts List Part No. LOCA DESCRIPTION SVC CODE TION No. AVNH186BLAB AVNH246BLAB AVNH306BLAB 135314 GRILLE ASSEMBLY,INLET SUB 5237AP2817B 5237AP2817B 5237AP2817B 137211 PANEL ASSEMBLY,FRONT(INDOOR) 3720AP2767P 3720AP2767P 3720AP2767P 146811 MOTOR ASSEMBLY,STEP 4681A20055A 4681A20055A 4681A20055A 152302 FILTER(MECH),A/C 5230AP7093A 5230AP7093A 5230AP7093A 266000-1 SWITCH,PUSH 6600AP2059A...
  • Page 131: Outdoor Units

    Exploded View & Replacement Parts List Outdoor Unit Model No.: AUUH126B Service Manual 135...
  • Page 132 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH126B 349480 ORIFICE 4948A20001A 435301 GRILLE, DISCHARGE 3530A20006G 430411 BASE ASSEMBLY, OUTDOOR 3041A20008K 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30023W 437210 PANEL ASSEMBLY, FRONT(OUTDOOR) 3721A20027P 437212 PANEL ASSY, REAR 3721A20026K 447910 BARRIER ASSEMBLY, OUTDOOR...
  • Page 133 Exploded View & Replacement Parts List Model No.: AUUH186B Service Manual 137...
  • Page 134 Exploded View & Replacement Parts List Parts List Part No. LOCATION SVC CODE DESCRIPTION AUUH186B 237200 PANEL, CONTROL 2A00928A 263230-1 THERMISTOR ASSEMBLY 6323A20019C 263230-2 THERMISTOR ASSEMBLY 6323A20023E 349480 ORIFICE 4948A20005A 435301 GRILLE, DISCHARGE 3530A20007B 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30061G 435512 COVER 2A00915H 435512...
  • Page 135 Exploded View & Replacement Parts List Model No.: AUUH246B Service Manual 139...
  • Page 136 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH246B 137213 PANEL ASSEMBLY, SIDE 1A00202F 137213 PANEL ASSEMBLY, SIDE 3A02284N 263230-1 THERMISTOR ASSEMBLY 6323A20019C 263230-2 THERMISTOR ASSEMBLY 6323A20023E 349480 ORIFICE 4948AP2527A 349600 MOUNT, MOTOR 1A00206D 435301 GRILLE, DISCHARGE 3530A20007J...
  • Page 137 Exploded View & Replacement Parts List Model No.: AUUH306B Service Manual 141...
  • Page 138 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH306B 137213-1 PANEL ASSEMBLY, SIDE 1A00202F 349600 MOUNT, MOTOR 1A00206D 435300 GRILLE, REAR 1A00208H 435301 GRILLE, DISCHARGE 3530A20007J 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30061G 437210 PANLE, ASSEMBLY, FRONT SUB 1A00197C 548490 ACCUMULATOR ASSEMBLY(MECH)
  • Page 139 Exploded View & Replacement Parts List Model No.: AUUH368B Service Manual 143...
  • Page 140 Exploded View & Replacement Parts List Parts List Part No. LOCATION SVC CODE DESCRIPTION AUUH368B 135301 GRILLE, DISCHARGE 3530A20006G 135314 GRILLE, REAR 3530A10176B 137213-1 PANEL ASSEMBLY, SIDE 3721A10110A 137213-2 PANEL ASSEMBLY, SIDE 3721A10111B 263230 THERMISTOR ASSEMBLY 6323A20020X 430410 BASE ASSEMBLY, WELD(OUTDOOR) 3041AP7177B 435511 COVER ASSEMBLY, CONTROL(OUTDOOR)
  • Page 141 Exploded View & Replacement Parts List Model No.: AUUH488B Service Manual 145...
  • Page 142 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH488B 135301 GRILLE,DISCHARGE 3530AP1225D 137213 PANEL ASSEMBLY,SIDE 3721A20229A 430411 BASE ASSEMBLY,WELD 3041A20047F 435511 COVER ASSY,CONTROL 3A01293X 435512 COVER ASSEMBLY,TOP 3530AP1213B 437210 PANEL ASSEMBLY,FRONT 3530AP1212B 437212 PANEL ASSEMBLY,REAR 3720AP1202C 546810 MOTOR ASSEMBLY,OUTDOOR...
  • Page 143 Exploded View & Replacement Parts List Model No.: AUUH608B Service Manual 147...
  • Page 144 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH608B 135301 GRILLE, DISCHARGE 3530AP1225D 137213 PANEL ASSEMBLY, SIDE 3721A20229A 430411 BASE ASSEMBLY, WELD(OUTDOOR) 3041A20047B 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3A01293X 435512 COVER ASSEMBLY, TOP(OUTDOOR) 3550AP1213B 437212 PANEL ASSEMBLY, REAR(OUTDOOR) 3720AP1202C 546810...
  • Page 145: Panel Assembly, Front

    Exploded View & Replacement Parts List Panel Assembly, Front PT-HEA/C 268712 146811 146811 152312 435310 137211 135802 Service Manual 149...
  • Page 146 Exploded View & Replacement Parts List PT-HFA/C 268712 146811 146811 152312 435310 137211 150 Universal System Air Conditioner...
  • Page 147 Exploded View & Replacement Parts List PT-HDA/C 146811 268712 152312 435310 135802 137211 Service Manual 151...
  • Page 148 Exploded View & Replacement Parts List PT-HEF/HFF/FDF (Elevation Grille_Accessory) 137211 W4811-1 146812-1 W4811-2 146812-2 668713 249951 750830 268712 266011-2 146811 146811 266011-2 152312 267110 435310 152 Universal System Air Conditioner...
  • Page 149 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION CODE PT-HEA PT-HEC 137211 PANEL ASSEMBLY, FRONT(INDOOR) 3721A10105A 3721A10105B 435310 GRILLE ASSEMBLY, FRONT(INDOOR) 3531A10059A 3531A10059A 152312 FILTER ASSY, AIR CLEANER 5231A10005A 5231A10005A 146811 MOTOR ASSEMBLY, STEP 4681A20055A 4681A20055A 268712 PWB(PCB) ASSEMBLY, DISPLAY 6871A20096J...
  • Page 150 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION CODE PT-HEF PT-HFF PT-HDF 137211 PANEL ASSEMBLY,FRONT(INDOOR) 3721A10105E 3721A10072K 3721A10106J 146811 MOTOR ASSEMBLY, STEP 4681A20055A 4681A20055A 4681A20055A 435310 GRILLE ASSEMBLY, INLET 3531A10350A 3531A10211A 3531A10066M 152312 FILTER ASSEMBLY, AIR CLEANER 5231A10005A 5231A10012A 5231A10004A W4811-1 BRACKET ASSEMBLY...
  • Page 151 P/No.: 3828A22009F Printed in Korea...

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