LG AVNH-EL Service Manual
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LG AVNH-EL 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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  • 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..................54 II. Outdoor Units Introduction......................76 MPS Variable Single A(AUUH-C, R410A) .............78 III. Troubleshooting Guide Self-diagnosis Function ..................102 Electronic Parts Troubleshooting Guide ..............103 IV.

  • Page 3: Indoor Units

    I. Indoor Units Introduction.......................8 Ceiling Cassette 4-way...................10 Ceiling & Floor ....................37 Ceiling Concealed Duct..................54 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 126ELFC 186ELFC Ceiling ATNH ATNH Cassette R410A 246FLFC 306FLFC...

  • Page 5: Model Number Nomenclature

    Introduction • Model Number Nomenclature Indoor unit A T N H 1 8 6 E L F C 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................25 8. Installation.....................29 9.

  • Page 7: Features & Benefits

    Ceiling Cassette 4-way 1. Features & Benefits I Convenience • Auto elevation grille(Accessory) • Tele control(Accessory) • LCD wired remote control • Group control • Central control(Accessory) • Weekly progam I Cleanness • Plasma air purifying system • Hygienic and easy to clean filter I 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 ATNH126ELFC ATNH186ELFC ATNH246FLFC ATNH306FLFC 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) 7560(8793) Btu/h 12000 18000 24000 30000 Nominal Heating Capacity kcal/h(W) 3326(3869) 4990(5803)
  • Page 13 Ceiling Cassette 4-way Indoor Unit Type Ceiling Cassette 4-way Model Indoor Unit ATNH366DLFC ATNH486DLFC ATNH606DLFC 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) 9979(11607) 13305(15474) 15523(18053) Btu/h 39600 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 ATNH126ELFC 9.52(3/8) ATNH186ELFC 12.7(1/2) 6.35(1/4) ATNH246FLFC ATNH306FLFC 15.88(5/8) ATNH366DLFC ATNH486DLFC 19.05(3/4) 9.52(3/8) ATNH606DLFC 24 Universal System Air Conditioner...

  • Page 21: Operating Instructions

    Ceiling Cassette 4-way 7. Operating Instructions I 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...
  • Page 22 Ceiling Cassette 4-way I 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 I ELEVATION GRILL (REMOTE CONTROLLER_Accessory) • Main Components of Lift Grill Signal transmitter ➀ Lift grill front panel assembly ➁ Bolts for installation (4 EA, P/No. 3A00255K) ➂ Instruction manual Ascend ➃ Remote Controller for lift grill Descend Stop •...
  • 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/KL/LL Contents 1. Features & Benefits ................38 2. List of Functions..................39 3. Specifications..................40 4. Dimensional Drawings ................42 5. Wiring Diagrams ...................45 6. Piping Diagrams..................47 7. Operating Instructions................48 8. Installation.....................49 9.

  • Page 34: Features & Benefits

    Ceiling & Floor 1. Features & Benefits I Flexible Installation I Low noise I 4-Way Airflow Direction Control (Automatic Vertical airflow & Manual Horizontal airflow) I 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 AVNH-KL AVNH-LL Air Discharge Outlet Airflow Direction control (left & right) Manual Manual Manual Manual Airflow Direction control (up & down) Auto Auto Auto Auto Airflow Steps(Fan / Cool /Heat)

  • Page 36: Specifications

    Ceiling & Floor 3. Specifications Indoor Unit Type Ceiling & Floor (Convertible) Model AVNH126ELAC AVNH186BLAC AVNH246BLAC AVNH306BLAC Nominal Cooling Capacity kcal/h(W) 3024(3517) 4536(5274) 6048(7032) 7056(8207) Btu/h 12000 18000 24000 28000 Nominal Heating Capacity kcal/h(W) 3327(3869) 4991(5803) 6654(7737) 7762(9027) Btu/h 13200 19800 26400 30800...
  • Page 37 Ceiling & Floor Indoor Unit Type Ceiling & Floor (Convertible) Model AVNH366KLAC AVNH486LLAC AVNH606LLAC Nominal Cooling Capacity kcal/h(W) 8568(9965) 11718(13629) 13608(15827) Btu/h 34000 46500 54000 Nominal Heating Capacity kcal/h(W) 9072(10552) 13306(15476) 14969(17410) Btu/h 36000 52800 59400 Air Circulation H/M/L CMM(CFM) 29/27/24(1023/953/847) 36/34/32(1271/1207/1136) 40/38/36(1412/1341/1270)

  • Page 38: 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...
  • Page 39 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 40 Ceiling & Floor AVNH-KL/LL (unit: mm) Dimension Chassis VL Chassis 1750 1655 VK Chassis 1350 1255 More than Anchor nut 70cm Ceiling Washer Suspension bolts Suspension bolt More than 30cm More than 70cm Note 1. Pipe Specification(mm) Suspension bolts Model Liquid Spring washer...

  • Page 41: 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...
  • Page 42 Ceiling & Floor AVNH-KL AVNH-LL CONNECTOR NUMBER LOCATION CONNECTOR NUMBER LOCATION CN-POWER AC POWER SUPPLY CN-TH2 DISCHARGE PIPE SENSOR CN-MOTOR BLDC FAN MOTOR OUTPUT CN-TH1 PIPE AND ROOM SENSOR CN-D/PUMP DRAIN PUMP OUTPUT CN-HVB AIR CLEANER CN-AC/DC AC/DC CONNECTION CN-DOOR STEP MOTOR CN-DISPLAY DISPLAY...

  • Page 43: 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 AVNH126ELAC 9.52(3/8) AVNH186BLAC 12.7(1/2) AVNH246BLAC 6.35(1/4) AVNH306BLAC 15.88(5/8) AVNH366KLAC AVNH486LLAC 19.05(3/4) 9.52(3/8) AVNH606LLAC Service Manual 47...

  • Page 44: Operating Instructions

    Ceiling & Floor 7. Operating Instructions I 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 45: 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 46 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 47 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 48 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 49: 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 50: Ceiling Concealed Duct

    Ceiling Concealed Duct Ceiling Concealed Duct Ceiling Concealed Duct (R410A·Indoor Units) ABNH-HL/GL/RL Contents 1. Features & Benefits ................55 2. List of Functions..................57 3. Specifications..................58 4. Dimensional Drawings ................60 5. Wiring Diagrams ...................61 6. Piping Diagrams..................62 7. E.S.P. Setting for ...............63 8.

  • Page 51: Features & Benefits

    Ceiling Concealed Duct 1. Features & Benefits I Easy Installation • Compact & light design • (Linear E.S.P Control) • High head drain pump(700mm, Accessory) I Comfort & Reliability • Low noise design • 2-Thermistor control(Main body & Remote control) •...
  • Page 52 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 53: 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 54: Specifications

    Ceiling Concealed Duct 3. Specifications Indoor Unit Type Ceiling Concealed Duct Model ABNH186HLAC ABNH246HLAC ABNH306GLAC Nominal Cooling Capacity kcal/h(W) 4536(5276) 6048(7034) 8064(9379) Btu/h 18000 24000 32000 Nominal Heating Capacity kcal/h(W) 4990(5803) 6653(7738) 8870(10317) Btu/h 19800 26400 35200 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)
  • Page 55 Ceiling Concealed Duct Indoor Unit Type Ceiling Concealed Duct Model ABNH366GLAC ABNH486RLAC ABNH606RLAC Nominal Cooling Capacity kcal/h(W) 9072(10552) 12096(14069) 14112(16414) Btu/h 36000 48000 56000 Nominal Heating Capacity kcal/h(W) 9979(11607) 13306(15476) 15523(18055) Btu/h 39600 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 56: 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 ABNH186HLAC 932 882 355 45.5 450 163 260 61.5 243 212.3 243 110 130 30 158.5 ABNH246HLAC...

  • Page 57: 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 58: 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 ABNH186HLAC 12.7 (1/2) ABNH246HLAC 6.35 (1/4) ABNH306GLAC 15.88(5/8) ABNH366GLAC ABNH486RLAC 19.05(3/4) 9.52(3/8) ABNH606RLAC 62 Universal System Air Conditioner...

  • Page 59: 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. I Without Zone System 1.
  • Page 60 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 61 Ceiling Concealed Duct Table 7-1 Static Pressure(mmAq) Step CMM(CFM) Model Name Setting Value High 16.5(583) ABNH186HLAC 14.5(512) 13(459) High 18(636) ABNH246HLAC 16.5(583) 14(494) High 26.5(936) ABNH306GLAC 23(812) 20(706) High 32(1130) ABNH366GLAC 29(1024) 26.5(936) High 40(1412) ABNH486RLAC 35(1235) 30(1059) High 50(1766) ABNH606RLAC 45(1589) 40(1423)
  • Page 62 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) ABNH186HLAC 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) ABNH246HLAC 21.3(752) 19.9(703) 18.7(660) 17.2(607) 16.5(583) 17(600)

  • Page 63: Operating Instructions

    Ceiling Concealed Duct 8. Operating Instructions I 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 64 Ceiling Concealed Duct I 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 65: 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 66 Ceiling Concealed Duct 9.2 Ceiling dimension and hanging bolt location I 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. •...
  • Page 67 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 68: 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 69 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 70: 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 71: Outdoor Units

    MPS Variable SINGLE A II. Outdoor Units Introduction ....................76 MPS Variable SINGLE A ................78 Service Manual 75...

  • Page 72: Introduction

    1 Compressor AUUH608C • Indoor Unit Matching LG’s system consist of one outdoor unit which can match with three different indoor units as individ- ual system. The indoor units are ceiling cassette, ceiling concealed duct and ceiling & floor types.
  • Page 73 Introduction MPS Variable SINGLE A • Model Number Nomenclature A U U H 1 8 6 C 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...

  • Page 74: Mps Variable Single A(Auuh-C, R410A)

    MPS Variable SINGLE A MPS Variable SINGLE A (R410A·Outdoor Units) AUUH-C Contents 1. Features & Benefits ................79 2. Specifications..................81 3. Dimensional Drawings ................85 4. Wiring Diagrams ...................89 5. Piping Diagrams..................93 6. Electric Characteristics .................96 7. Operation Range...................97 8. Installation.....................98 78 Universal System Air Conditioner...

  • Page 75: 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 76: 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 77: Specifications

    MPS Variable SINGLE A 2. Specifications Nominal Capacity and Nominal Input For combination indoor units + outdoor units : Indoor Units ATNH126ELFC ATNH186ELFC ATNH246FLFC ATNH306FLFC Outdoor Units AUUH126C AUUH186C AUUH246C AUUH306C Nominal Capacity Cooling Btu/h 12,000 18,000 24,000 30,000 3,517 5,275 7,033 8,793...
  • Page 78 MPS Variable SINGLE A Nominal Capacity and Nominal Input For combination indoor units + outdoor units : Indoor Units ATNH366DLFC ATNH486DLFC ATNH606DLFC Outdoor Units AUUH368C AUUH488C AUUH608C Nominal Capacity Cooling Btu/h 36,000 48,000 56,000 10,552 14,069 16,414 Heating Btu/h 39,600 52,800 61,600 11,607...
  • Page 79 MPS Variable SINGLE A Technical Specification Outdoor Units AUUH126C AUUH186C AUUH246C AUUH306C Running Current Cooling/Heating 7.5/7.0 8.4/9.2 11.0/12.0 20.0/20.0 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 80 MPS Variable SINGLE A Technical Specification Outdoor Units AUUH368C AUUH488C AUUH608C Running Current Cooling/Heating 7.8/6.6 11.5/11.0 32.5/31.5 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 81: Dimensional Drawings

    MPS Variable SINGLE A 3. Dimensional Drawings AUUH126C Gas side (3-way valve) Liquid side (2-way valve) MODEL AUUH126C unit Service Manual 85...
  • Page 82 MPS Variable SINGLE A AUUH186C/AUUH246C/AUUH306C Air discharge grille Model AUUH186C AUUH246C/306C Dimensions 74.5 74.5 Ø6.35 Ø6.35 Ø12.7 24k : Ø12.7, 30k : Ø15.88 86 Universal System Air Conditioner...
  • Page 83 MPS Variable SINGLE A AUUH368C 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 Service Manual 87...
  • Page 84 MPS Variable SINGLE A AUUH488C/AUUH608C 4-hole for anchor bolts Control cover Liquid side 3-way valve Gas side 3-way valve Model AUUH488C/AUUF608C Dimensions 1,165 1,135 Ø9.52 Ø19.05 88 Universal System Air Conditioner...

  • Page 85: Wiring Diagrams

    MPS Variable SINGLE A 4. Wiring Diagrams AUUH126C AUUH186C Service Manual 89...
  • Page 86 Electronic Control Device MPS Inverter SINGLE A AUUH246C AUUH306C 90 Universal System Air Conditioner...
  • Page 87 MPS Inverter SINGLE A Electronic Control Device AUUH368C AUUH488C Service Manual 91...
  • Page 88 MPS Variable SINGLE A AUUH608C 92 Universal System Air Conditioner...

  • Page 89: Piping Diagram

    MPS Variable SINGLE A 5. Piping Diagram AUUH126C 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) AUUH186C/246C OUTDOOR UNIT Refrigerant Flow Reversing Cooling Valve Heating Thermistor High Pressure Thermistor...
  • Page 90 MPS Variable SINGLE A AUUH306C OUTDOOR UNIT Reversing Refrigerant Flow Valve Cooling Heating Thermistor Thermistor High Pressure Check Check Valve Valve Accumulator Heat Exchanger Thermistor Constant Compressor*2 Thermistor (Ø15.88mm) Field Piping Thermistor(LAK) L.E.V. Liquid (Ø6.35mm) AUUH368C OUTDOOR UNIT Reversing Refrigerant Flow Valve Cooling Heating...
  • Page 91 MPS Variable SINGLE A AUUH488C OUTDOOR UNIT Refrigerant Flow Reversing Valve Cooling Heating Thermistor Thermistor High Pressure Check Check Valve Valve Thermistor Heat Exchanger Accumulator Constant Compressor*2 L.E.V. Thermistor (Ø19.05mm) Field Piping Thermistor(LAK) Liquid (Ø9.52mm) Receiver OUTDOOR UNIT AUUH608C Refrigerant Flow Reversing Valve Cooling...

  • Page 92: Electric Characteristics

    MPS Variable SINGLE A 6. Electric Characteristics Models Power Supply Compressor Voltage Indoor Unit Outdoor Unit Hz, Volts MCA MFA range ATNH126ELFC AUUH126C 0.51 0.018 0.35 0.026 AVNH126ELAC 0.51 0.018 0.23 ATNH186ELFC 12.3 0.022 0.43 ABNH186HLAC AUUH186C 12.8 33.8 0.067 0.118 0.92 AVNH186BLAC...

  • Page 93: 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 94: 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 95 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 96: 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 97: Troubleshooting Guide

    Troubleshooting Guide III. Troubleshooting Guide Self-diagnosis Function ................102 Electronic Parts Troubleshooting Guide ............103 Service Manual 101...

  • Page 98: Self-Diagnosis Function

    Troubleshooting Guide Self-diagnosis Function I 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 99: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide 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 100: The Product Is Not Operate With The Remote Controller

    Electronic Control Device 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.
  • Page 101 Electronic Parts Troubleshooting Guide Electronic Control Device 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.

  • Page 102: When Heating Does Not Operate

    Electronic Control Device 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.

  • Page 103: When Indoor Fan Does Not Operate

    Electronic Parts Troubleshooting Guide Electronic Control Device 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. •...

  • Page 104: When Vertical Louver Does Not Operate

    Electronic Control Device 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 105: Electronic Control Device

    Electronic Control Device IV. Electronic Control Device Ceiling Cacsette Type...................110 Ceiling Duct Type..................111 Celing & Floor ....................113 Service Manual 109...

  • Page 106: Ceiling Cassette Type

    Electronic Control Device Ceiling Cassette Type Main P.C.B ASM 110 Universal System Air Conditioner...

  • Page 107: Ceiling Duct Type

    Electronic Control Device Ceiling Duct Type (BH Series) Service Manual 111...
  • Page 108 Electronic Control Device (BG/BR Series) 112 Universal System Air Conditioner...

  • Page 109: Ceiling & Floor

    Electronic Control Device Ceiling & Floor (VE Series) Service Manual 113...
  • Page 110 Electronic Control Device (VB/VK/VL Series) 114 Universal System Air Conditioner...

  • Page 111: Schematic Diagram

    Electronic Control Device V. Schematic Diagram Ceiling Cacsette Type...................116 Ceiling Duct Type..................117 Celing & Floor ....................118 Service Manual 115...

  • Page 112: Ceiling Cassette Type

    Electronic Control Device Schematic Diagram Ceiling Cassette Type 116 Universal System Air Conditioner...

  • Page 113: Ceiling Duct Type

    Schematic Diagram Electronic Control Device Ceiling Duct Type Service Manual 117...

  • Page 114: Ceiling & Floor

    Electronic Control Device Schematic Diagram Ceiling & Floor 118 Universal System Air Conditioner...

  • Page 115: Functional Description

    Functional Description VI. Functional Description Ceiling Cacsette Type...................120 Ceiling Duct Type..................122 Celing & Floor ....................125 Outdoor Unit....................128 Service Manual 119...

  • Page 116: Ceiling Cassette Type

    Ceiling Cassette Type Ceiling Cassette Type The function of main control I Auto Swing Control • This function is to swing the louver up and down automatically. I Soft-Dry Operation • The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control.

  • Page 117: Heating Mode Operation

    Ceiling Cassette Type I Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Indoor unit 35°C Heat-Exchanger temperature 32°C 29°C 21°C 17°C Intake Air Temperature 3min Low fan during 10sec Setting Temperature +4°C(Unit Sensing)

  • Page 118: Ceiling Duct Type

    Ceiling Duct Type Ceiling Duct Type The function of main control I Soft-Dry Operation • The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control. I Cooling Mode Operation •...
  • Page 119 Ceiling Duct Type I Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Indoor unit 40°C Heat-Exchanger temperature 33°C 30°C 27°C 20°C Intake Air Temperature 3min Low fan during 10sec Setting Temperature +4°C(Unit Sensing)
  • Page 120 Ceiling Duct Type I Hot-Start Control • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 27°C. • The operation diagram is as following. Indoor unit Heat-Exchanger temperature 33°C 27°C 20°C 1min 1min Compressor Outdoor fan Setting fan Setting fan Indoor fan...

  • Page 121: Ceiling & Floor

    Ceiling & Floor Ceiling & Floor The function of main control I Soft-Dry Operation • The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by microcontroller control. I Cooling Mode Operation •...
  • Page 122 Ceiling & Floor I Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Indoor unit 35°C Heat-Exchanger temperature 32°C 29°C 21°C 17°C Intake Air Temperature 3min Setting Temperature Low fan during 10sec +4°C(Unit Sensing)
  • Page 123 Ceiling & Floor I Hot-Start Control • The indoor fan does not rotate until the indoor unit Hex-Exchanger temperature reaches 21°C. • The operation diagram is as following. Indoor unit Heat-Exchanger temperature 32°C 21°C 17°C 1min Compressor Outdoor fan Setting fan Setting fan Indoor fan spped...

  • Page 124: Outdoor Units

    Outdoor Units Outdoor Units 1.Basic control 1.1 Normal operation Cooling mode Heating mode Stop state On/Off (1 Comp.) On/Off (1 Comp.) Stop Compressor Step Control (2 Comp.) Step Control (2 Comp.) Phase control Phase control After 30sec, Off Target Suction super heat and Target Suction super heat and After 60sec, Full Opne Discharge Temp.
  • Page 125 Outdoor Units (2) Operation field for Temp. Cooling Outdoor Temp. 46°C 45°C 1 Step Down 44°C 43°C Hysterisis Standard Step 22°C 23°C 21°C 24°C Indoor Temp. Heating Outdoor Temp. 18°C 17°C 1°C 1 Step Down 0°C Hysterisis Standard Step Indoor Temp. 23°C 24°C 27°C...

  • Page 126: Eev Control

    Outdoor Units 1.3 EEV Control 1) The base(the first stage) open_degree’s establishment The base open_degree is established [the standard open_degree classified by indoor_Type and capacity ] that corrected to the indoor/outdoor Temp. 2) Starting Control (LEV target open_degree arrival process after starting Comp) (1) LEV is arrived the previous decided open_degree within 30 seconds after starting COMP.

  • Page 127: Fan Control

    Outdoor Units (4) Compressor Discharge-Temp. Control After 1 min. of normal control, if it is satisfied with fomula below, it starts to control of Comp. Discharge Temp. Cooling mode : The present degree of superheat ≤ 3 (Option) Heating mode : The target degree of superheat < 0 , The present degree of superheat ≤ 0 (Option) The present degree of superheat ≥...
  • Page 128 Outdoor Units 1.5 Reversing Valve Control 1. The first situation of reversing valve maintains off(cooling) (Before that The power turns on the set of out- door_unit and indoor_unit ) 2. While the Cooling and Defrosting Process the Reversing valve control is OFF and during the Heating Process the Reversing valve control is ON 3.

  • Page 129: Special Control

    Outdoor Units 2. Special control 2.1 Defrost control : In case the temperature of the outdoor unit heat exchanger falls continuously this function will prevent heat exchanger from freezing. 2.1.1 Defrost PROCESS Starting conditions 1) Only Operates in the heating mode. 2) The defrost timer (The first time : outdoor unit is turned on ,the minimum for defrost operation to start is over 45~120 minutes.
  • Page 130 Outdoor Units 2.2 Low ambient control 2.2.1 The outline of Low ambient control. : The control device makes [the outdoor_unit] operate the Cooling mode in low-temperature condition with- out overloading the comp. If the Temp. of outdoor_unit goes down, The Evaporator will start freezing and the liquid refrigerant will flow inside the Compressor.
  • Page 131 Outdoor Units 2.3 Oil control : COMP OIL Equalizing Control ( Only 2 COMPRESSOR Model) : To equalize the oil level in each Compressors. 1) COMP OIL Equalizing Logic 1. When the running time of solo operation of the specific COMP is over 1 hour. The other compressor will be operated at least for 30 seconds 2.

  • Page 132: Protection Control

    Outdoor Units 3. Protection control 3.1 Discharge Temperature control Discharge pipe Temperature COMP OFF 105°C LEV OPEN (20PULSE/MIN ) 90°C LEV OPEN (10PULSE/MIN ) 70°C COMP ON 3.1.1 The outline of Discharge Temperature control This function prevents the damage of COMP according to EEV Comp On/Off control. - The EEV Comp On/Off control is predicted the Temp.
  • Page 133 Outdoor Units 3.2 Outdoor pipe Temperature control - Outdoor pipe Temperature(condensation Temp.) is over 58 (or 60)°C according to overlord in Cooling mode, the COMP will be switched is OFF. - Error code (CH61) will be generated if this situation occurs 5times (or 10times) in 40 minutes (or 1 hour). - The Error code will be cleared if this situation occurs lower than 4times(or 9times) in 40 minutes (or 1 hour).
  • Page 134 Outdoor Units 138 Universal System Air Conditioner...
  • Page 135 VI. Exploded View & Replacement Parts List Indoor Unit ....................140 Outdoor Unit ....................159 Panel Assembly, Front .................173 Service Manual 139...

  • Page 136: Indoor Units

    Exploded View & Replacement Parts List Indoor Unit Ceiling Cassette Type ATNH-EL 266090 249951 268714 263230-1 159830 354211 35211A 352118 354211 263230-2 263230-3 330870 158591 266012 140 Universal System Air Conditioner...
  • Page 137 Exploded View & Replacement Parts List 130411 W0CZZ W48300 346811 359011 130911-2 152510-2 130911-1 152510-1 267110-1 267110-2 Service Manual 141...
  • Page 138 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 142 Universal System Air Conditioner...
  • Page 139 Exploded View & Replacement Parts List 130411 WH8300 W0CZZ 346810 359012 130911-2 152150-2 152150-1 130911-1 267110-2 267110-1 Service Manual 143...
  • Page 140 Exploded View & Replacement Parts List ATNH-DL 249941 249951 266090 268714 159830 263230-1 354211-2 130411 354211-1 352118-2 263230-2 552111 263230-3 352118-1 330870 158591 266012 144 Universal System Air Conditioner...
  • Page 141 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-2 352150 130911-1 267110-1 267110-2 352150-2 Service Manual 145...
  • Page 142 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE ATNH126ELFC ATNH186ELFC 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 5859A20001R 5859A20001R 159830 FILTER ASSEMBLY, AIR 5983A10002A...
  • Page 143 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ATNH246FLFC ATNH306FLFC 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 5859A20001S 5859A20001S 159830 FILTER ASSEMBLY, AIR 5983A10002A 5983A10002A 249951...
  • Page 144 Exploded View & Replacement Parts List Parts List Part No. LOCA SVC CODE DESCRIPTION TION No. ATNH366DLFC ATNH486DLFC ATNH606DLFC 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 5859A20001T...
  • Page 145 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 152302 552111 352118 330870 Service Manual 149...

  • Page 146: Outdoor Units

    Exploded View & Replacement Parts List ABNH-RL 150 Universal System Air Conditioner...

  • Page 147: Parts List

    Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH186HLAC ABNH246HLAC 336610-1 HOUSING(MECH),WRAPPER 3660A20017A 3660A20017A 336610-2 HOUSING(MECH),WRAPPER 3660A20018A 3660A20018A 346810 MOTOR ASSEMBLY, AC 4681A10013C 4681A10013C 359012-1 FAN ASSEMBLY,BLOWER 5901A10026A 5901A10026A 359012-2 FAN ASSEMBLY,BLOWER 5901A10028B 5901A10028B W0CZZ CAPACITOR, FILM, BOX 2A00986D...
  • Page 148 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH306GLAC ABNH366GLAC 336610-1 HOUSING(MECH),WRAPPER 3660A20019A 3660A20019A 336610-2 HOUSING(MECH),WRAPPER 3660A20020A 3660A20020A 346810 MOTOR ASSEMBLY, AC 4681A10013J 4681A10013A 359012-1 FAN ASSEMBLY,BLOWER 5901A10026A 5901A10026A 359012-2 FAN ASSEMBLY,BLOWER 5901A10026A 5901A10026A W0CZZ CAPACITOR, FILM, BOX 2A00986D 2A00986D 354210...
  • Page 149 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE ABNH486RLAC ABNH606RLAC 336610-1 HOUSING(MECH),WRAPPER 3660A20044A 3660A20044A 336610-2 HOUSING(MECH),WRAPPER 3660A20045A 3660A20045A 346810 MOTOR ASSEMBLY, AC 4681A10032A 4681A10032A 359012-1 FAN ASSEMBLY,BLOWER 5901A10051A 5901A10051A 359012-2 FAN ASSEMBLY,BLOWER 5901A10051A 5901A10051A W0CZZ CAPACITOR, FILM, BOX 0CZZA20001B 0CZZA20001B 354210...
  • Page 150 Exploded View & Replacement Parts List Ceiling & Floor Type AVNH-EL 137211 135310 268712 147581 152302 135313 146811 145200 147582 733010 131410 267110 W0CZZ 330870 266000 135500 346810 131410 354212 263230-1 35211B 268715 352150 268716 263230-2 W4810 266000 359011 249951...
  • Page 151 Exploded View & Replacement Parts List AVNH-BL Service Manual 155...
  • Page 152 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AVNH126ELAC 137211 PANEL ASSEMBLY,FRONT(INDOOR) 3721A10092A 146811 MOTOR ASSEMBLY, STEP 4681A20055A 147581 LOUVER,HORIZONTAL 4758A10006A 152302 FILTER ASSEMBLY, AIR CLEANER 5230A10009A 249951 CASE ASSEMBLY, CONTROL 4995A20356H 266000 SWITCH,PUSH BUTTON 6600AP2059B 267110 REMOTE CONTROLLER ASSEMBLY...
  • Page 153 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE AVNH186BLAC AVNH246BLAC AVNH306BLAC 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 ASSEMBLY, AIR CLEANER 5230AP7093A 5230AP7093A 5230AP7093A...
  • Page 154 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION SVC CODE AVNH366KLAC AVNH486LLAC AVNH606LLAC 135303 GRILLE, INLET 3530A10256A 3530A10256A 3530A10256A 135312 GRILLE ASSEMBLY. DIFFUSER 3531A10306B 3531A10306D 3531A10306A 135515-1 COVER ASSEMBLY, TOP(INDOOR) 3551A20179A 3551A20179A 3551A20179A 135515-2 COVER ASSEMBLY, TOP(INDOOR) 3551A20179B 3551A20179C 3551A20179C 137211...
  • Page 155 Exploded View & Replacement Parts List Outdoor Unit Model No.: AUUH126C Service Manual 159...
  • Page 156 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH126C 649950 CASE, CONTROL(OUTDOOR) 4994A20008A 567480 THERMISTOR ASSEMBLY 6323A20023R 349480 ORIFICE 4948A20001A 435301 GRILLE, DISCHARGE 3530A20006G 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30023W 437211 PANEL ASSEMBLT, FRONT 3721A20027P 437212 PANEL ASSEMBLT, REAR 3721A20026J...
  • Page 157 Exploded View & Replacement Parts List Model No.: AUUH186C Service Manual 161...
  • Page 158 Exploded View & Replacement Parts List Parts List Part No. LOCATION SVC CODE DESCRIPTION AUUH186C 649950 CASE, CONTROL(OUTDOOR) 2A00928A 567480-1 THERMISTOR ASSEMBLY 6323A20019C 567480-2 THERMISTOR ASSEMBLY 6323A20023E 349480 ORIFICE 4948A20005A 435301 GRILLE, DISCHARGE 3530A20007B 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30061G 435512 COVER ASSEMBLY, TOP(OUTDOOR) 3H03266K 437211...
  • Page 159 Exploded View & Replacement Parts List Model No.: AUUH246C Service Manual 163...
  • Page 160 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH246C 137213-1 PANEL ASSEMBLY, SIDE 1A00202F 137213-2 PANEL ASSEMBLY, SIDE 3A02284N 567480-1 THERMISTOR ASSEMBLY 6323A20019C 567480-2 THERMISTOR ASSEMBLY 6323A20023E 349480 ORIFICE 4948AP2527A 349600 BRACKET, MOTOR 1A00206B 435301 GRILLE, DISCHARGE 3530A20007J...
  • Page 161 Exploded View & Replacement Parts List Model No.: AUUH306C Service Manual 165...
  • Page 162 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH306C 137213-1 PANEL ASSEMBLY, SIDE 1A00202F 137213-2 PANEL ASSEMBLY, SIDE 3721A10150A 567480-1 THERMISTOR ASSEMBLY 6323A20019C 567480-2 THERMISTOR ASSEMBLY 6323A20023E 349480 ORIFICE 4948A20005A 435301 GRILLE, DISCHARGE 3530A20007J 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3551A30061G...
  • Page 163 Exploded View & Replacement Parts List Model No.: AUUH368C Service Manual 167...
  • Page 164 Exploded View & Replacement Parts List Parts List Part No. LOCATION SVC CODE DESCRIPTION AUUH368C 135301 GRILLE, DISCHARGE 3530A20006G 435300 GRILLE, REAR 3530A10176B 137213-1 PANEL ASSEMBLY, SIDE 3721A10110A 137213-2 PANEL ASSEMBLY, SIDE 3721A10111B 567480-1 THERMISTOR ASSEMBLY 6323A20020X 567480-2 THERMISTOR ASSEMBLY 6323A20020Z 349480 ORIFICE...
  • Page 165 Exploded View & Replacement Parts List Model No.: AUUH488C Service Manual 169...
  • Page 166 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH488C 135301 GRILLE, DISCHARGE 3530AP1225D 137213 PANEL ASSEMBLY, SIDE 3721A20229A 263230-1 THERMISTOR ASSEMBLY 6323A20020X 263230-2 THERMISTOR ASSEMBLY 6323A20020Z 430410 BASE ASSEMBLY, WELD(OUTDOOR) 3041A20047F 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3A01293X 435512 COVER ASSEMBLY, TOP(OUTDOOR)
  • Page 167 Exploded View & Replacement Parts List Model No.: AUUH608C Service Manual 171...
  • Page 168 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION SVC CODE AUUH608C 137213 PANEL ASSEMBLY, SIDE 3721A20229A 263230-1 THERMISTOR ASSEMBLY 6323A20020X 263230-2 THERMISTOR ASSEMBLY 6323A20020Z 430410 BASE ASSEMBLY, WELD(OUTDOOR) 3041A20047B 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3A01293X 435512 COVER ASSEMBLY, TOP(OUTDOOR) 3530AP1213B 437211 PANEL ASSEMBLY, FRONT(OUTDOOR)

  • Page 169: Panel Assembly, Front

    Exploded View & Replacement Parts List Panel Assembly, Front PT-HEA/C 268712 146811 146811 152312 435310 137211 135802 Service Manual 173...

  • Page 170: Universal System Air Conditioner

    Exploded View & Replacement Parts List PT-HFA/C 268712 146811 146811 152312 435310 137211 174 Universal System Air Conditioner...
  • Page 171 Exploded View & Replacement Parts List PT-HDA/C 146811 268712 152312 435310 135802 137211 Service Manual 175...
  • Page 172 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 176 Universal System Air Conditioner...
  • Page 173 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 174 Exploded View & Replacement Parts List Part No. LOCATION DESCRIPTION CODE PT-HEF PT-HFF PT-HDF 146811 MOTOR ASSEMBLY, STEP 4681A20055A 4681A20055A 4681A20055A 435310 GRILLE ASSEMBLY, INLET 3531A10350A 3531A10211A 3531A10066M 152312 FILTER ASSY, AIR CLEANER 5231A10005A 5231A10012A 5231A10004A W4811-1 BRACKET ASSEMBLY 4811A20073A 4811A20072A 4811A20068A W4811-2 BRACKET ASSEMBLY...
  • Page 175 P/No.: 3828A22009P Printed in Korea...

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