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LG ATNH126ELFC Service Manual
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LG ATNH126ELFC Service Manual

LG ATNH126ELFC Service Manual

Indoor unit ceiling cassette-4way ceiling & floor(convertible) ceiling concealed duct outdoor
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LG
Synchro

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: Air Conditioner

    website http://www.lgservice.com e-mail http://www.lgeservice.com/techsup.html Synchro 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

    Synchro Air Conditioner Service Manual TABLE OF CONTENTS Model Number Nomenclature ..............3 Safety Precautions ..................4 Model Names....................11 External Appearance ..................12 Dimensions ....................13 Product Specifications ................21 Combination table ..................25 Installation....................26 Operation ....................61 Control Devices and Function ..............76 Schematic Diagram ..................89 Piping Diagrams ..................100 Troubleshooting Guide................105 (3-way) Valve ....................126 Function ....................130...

  • Page 3: Model Number Nomenclature

    Model Number Nomenclature Model Number Nomenclature Indoor Unit Serial Number Function A : Basic E : E/Grille F : Plasma + Elevation grille Panel type Cassette L : Basic panel, W : Wooden panel Duct : L Chassis type Cassette : E/F/D, Convertible : E/B, Duct : H/G/R Electrical Rating 6 : 1Ø...

  • Page 4: Safety Precautions

    Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
  • Page 5 Safety Precautions For re-installation of the installed product, Do not install, remove, or re-install the unit always contact a dealer or an Authorized by yourself (customer). Service Center. • There is risk of fire, electric shock, explosion, or • There is risk of fire, electric shock, explosion, or injury.
  • Page 6 Safety Precautions Ventilate before operating air conditioner Securely install the cover of control box and when gas leaked out. the panel. • It may cause explosion, fire, and burn. • If the cover and panel are not installed securely, dust or water may enter the outdoor unit and fire or electric shock may result.
  • Page 7 Safety Precautions When the product is soaked (flooded or Be cautious not to touch the sharp edges submerged), contact an Authorized Service when installing. Center. • There is risk of fire or electric shock. • It may cause injury. Take care to ensure that nobody could step Do not open the inlet grill of the product dur- on or fall onto the outdoor unit.
  • Page 8 Safety Precautions Use power cables of sufficient current Do not use the product for special purposes, carrying capacity and rating. such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. • Cables that are too small may leak, generate •...
  • Page 9 Safety Precautions Operation Do not use the air conditioner in special Do not block the inlet or outlet. environments. • Oil, steam, sulfuric smoke, etc. can significantly • It may cause failure of appliance or accident. reduce the performance of the air conditioner or damage its parts.
  • Page 10 Safety Precautions Safely dispose of the packing materials. Turn on the power at least 12 hours before starting operation.(In case of outdoor temperature 5°C below) • Packing materials, such as nails and other metal or • Starting operation immediately after turning on wooden parts, may cause stabs or other injuries.

  • Page 11: Model Names

    24,000 30,000 36,000 48,000 60,000 Type Name (3.5) (5.3) (7.0) (8.8) (10.6) (14.1) (17.6) ATNH126ELFC ATNH186ELFC Ceiling Cassette 4-Way ATNH246FLFC ATNH306FLFC ATNH366DLFC ATNH486DLFC ATNH606DLFC AVNH126ELAC Ceiling & Floor(Convertible) AVNH186BLAC AVNH246BLAC AVNH306BLAC ABNH186HLAC ABNH246HLAC Ceiling Concealed Duct ABNH306GLAC ABNH366GLAC ABNH486RLAC ABNH606RLAC...

  • Page 12: External Appearance

    External Appearance External Appearance Indoor Unit Ceiling Cassette-4Way Ceiling & Floor(Convertible) AVNH126ELAC / AVNH186BLAC ATNH126ELFC / ATNH186ELFC AVNH246BLAC / AVNH306BLAC ATNH246FLFC / ATNH306FLFC ATNH366DLFC / ATNH486DLFC ATNH606DLFC Ceiling Concealed Duct ABNH186HLAC / ABNH246BHLAC ABNH306GLAC / ABNH366BGLAC ABNH486RLAC / ABNH606RLAC Outdoor Unit...

  • Page 13: Dimensions

    Dimensions Dimensions Indoor Unit 1. Cassette Type - TE(12K/18K) 600 (Ceiling opening) 39.5 521(Hanging bolt) 39.5 570 Unit size Unit:mm CLOSE OPEN OPEN CLOSE (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 grill...
  • Page 14 Dimensions 2. Cassette Type - TF (24K/30K) 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 grill Air suction grill 14 Synchro Air Conditioner...
  • Page 15 Dimensions 3. Cassette Type - TD(36K/48K/60K) 875 (Ceiling opening) 785 (Hanging bolt) 840 Unit size Unit:mm Fresh Air Inlet (unit : mm) Number Name Descripition Liquid pipe connection 36K: ø6.35, 48K/60K: ø9.52 flare Gas pipe connection 36K: ø15.88, 48K/60K: ø19.05 flare Drain pipe connection Power supply connection Air discharge grill...
  • Page 16 Dimensions 4. Ceiling & Floor(Convertible) - VB(18K/24K), VE(12K) 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...

  • Page 17: Service Manual

    Dimensions 5. Ceiling Concealed Duct - BH(18K/24K), BG(30K/36K), BR(48K/60K) Note: 1. Pipe Specification(mm) Model Liquid 18, 24k Ø 12.7 Ø 6.35 Ø 15.88 30, 36 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 18 Dimensions 4-hole for anchor bolts AUUH488C Control cover Liquid side 3-way valve Gas side 3-way valve Model AUUH488C Dimensions 1,165 1,135 Ø9.52 Ø19.05 18 Synchro Air Conditioner...
  • Page 19 Dimensions AUUH728C 500(bolt hole) Air outlet inlet inlet Service Panel Knockout hole (For the control wiring, the power supply, refrigerant connecting pipe) Knockout hole (For the control wiring, the power supply, (Unit : mm) refrigerant connecting pipe) Service Manual 19...
  • Page 20 Dimensions AUUH1008C 1280 900(bolt hole) Air outlet inlet inlet Service Panel Knockout hole (For the control wiring, the power supply, refrigerant connecting pipe) Knockout hole (For the control wiring, the power supply, refrigerant connecting pipe) 20 Synchro Air Conditioner...

  • Page 21: Product Specifications

    Product Specifications Product Specifications Indoor Unit Ceiling Cassette - 4way Indoor Unit Type Model Indoor unit ATNH126ELFC ATNH186ELFC ATNH246FLFC ATNH306FLFC PT-HEC1 PT-HEC1 PT-HFC(F) PT-HFC(F) Decoration panel Rated Cooling Capacity kcal/hr(W) 3024(3517) 4536(5275) 6048(7033) 7056(8205) Btu/hr 12000 18000 24000 28000 Ratedl Heating Capacity...
  • Page 22 Product Specifications Ceiling Concealed Duct - High Static Indoor Unit Type ABNH186HLAC ABNH246HLAC ABNH306GLAC Model Rated Cooling Capacity kcal/hr(W) 4536(5275) 6048(7034) 7560(8791) Btu/hr 18000 24000 30000 Ratedl Heating Capacity kcal/hr(W) 5116(5949) 6955(8089) 8694(10110) Btu/hr 20300 27600 34500 Air Circulation Indoor(H/M/L) CMM(CFM) 16.5/14.5/13(583/512/459) 18/16.5/14(636/583/494)
  • Page 23 Product Specifications Ceiling & Floor (Convertible) Indoor Unit Type AVNH126ELAC AVNH186BLAC AVNH246BLAC AVNH306BLAC Model Rated Cooling Capacity kcal/hr(W) 3024(3517) 4536(5274) 6048(7032) 6653(7377) Btu/hr 12000 18000 24000 26400 Ratedl Heating Capacity kcal/hr(W) 3478(4044) 5116(5949) 6955(8089) 7635(8880) Btu/hr 13800 20300 27600 30300 Air Circulation Indoor(H/M/L) CMM(CFM)
  • Page 24 Product Specifications Model AUUH488C AUUH728C AUUH1008C Cooling Capacity kcal/hr(W) 12096(14607) 18144(21101) 24192(28135) Btu/hr 48000 72000 96000 Heating Capacity kcal/hr(W) 13305(15474) 19958(23211) 27820(32355) Btu/hr 52800 79200 110400 Input Cooling/Heating 5300 / 5050 8000 / 7700 11100 / 11000 Running Current Cooling/Heating 10.0 / 9.5 14.7 / 14.4 20 / 19.7...

  • Page 25: Combination Table

    Combination table Combination table MPS Variable AUUH488C AUUH728C Synchro Combination(k Btu/h) Total(k Btu/h) Branch Kit Synchro Combination(k Btu/h) Total(k Btu/h) Branch Kit Single PMUB23A 30 + 36(2:3) Duo(2 Unit) (1 Unit) PMUB11A 36 + 36(1:1) 18 + 24 (2:3) PMUB23A 24 + 24 (1:1) PMUB11A 18 + 24 + 24(1:2:2)

  • Page 26: Installation

    Installation Installation Read completely, than follow step by step. Indoor Unit_Cassette Type • 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 27: Ceiling Opening Dimensions And Hanging Bolt Location

    Installation 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) 572(Hanging bolt)

  • Page 28: Wiring Connection

    Installation 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) Paper pattern Set screw of...

  • Page 29: Installation Of Decoration Panel

    Installation 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 30: Indoor Unit Drain Piping

    Installation 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 31 Installation 6. Accessories Standard Accessories Washer for Insulation for (Other) Clamp Name Clamp metal Drain hose hanging backet fitting Quantity 1 EA 1 EA 8 EA 8 EA 1 SET • Paper pattern for installation • Owner's manual • Installation manual Shape for gas pipe for liquid pipe...

  • Page 32: Installation Parts Provided

    Installation Ceiling & Floor(Convertible) Type • 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 33: Selection Of The Best Location

    Installation 1. Selection of the best location More than 20cm More than • There should not be any heat source or steam near the 20cm unit. • There should not be any obstacles to the air circulation. More than eye-level •...
  • Page 34 Installation 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 35 Installation 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 36 Installation 3. Accessories Standard Accessories Washer for Insulation for (Other) Name Drain hose Clamp metal 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 37: Required Tools

    Installation Ceiling Concealed Duct Type • 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 38 Installation 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 39 Installation • 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 40: Checking The Drainage

    Installation 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 41 Installation 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 42 Installation 6. 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 Optional Accessories(For Unit)

  • Page 43: Preparation Of Piping

    Installation Connecting Pipes to the Indoor Unit Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following proce- Copper dure. Slanted Uneven Rough tube 90° 1. Cut the pipes and the cable. •...

  • Page 44: How To Insert Batteries

    Installation Remote Controller DISASSEMBLING • Separate the under plate from Remote control box. Front case Lever carefully Remote control • Fix the cord clamps on the wall by the box open box body using a screw ø 3 tapping screws (accessory). driver, etc.

  • Page 45: Individual Installation

    Installation Outdoor Unit_AUUH728C 1. Selection of the best location • If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radia- tion from the condenser is not restricted. • Do not place animals and plants in the path of the warm air. •...
  • Page 46 Installation When inlet air enters from right and left sides of unit A : 750 mm or more B : 250 mm or more C : 150 mm or more Rear Front <Top View> <Side View> When unit is surrounded by walls A : 750 mm or more B : 250 mm or more When there is an obstructure above the unit...

  • Page 47: Collective Installation And Continuous Installation

    Installation 3. Collective installation and continuous installation • Space required for collective installation and continuous installation : When installing several units, leave the space between each block as show below considering passage for air and people. A : Open state B : 750 mm or more C : 250 mm or more D : 250 mm or more...
  • Page 48 Installation Outdoor Unit_AUUH1008C 1. Individual installation Basic Space required • A space of at least 250 mm is nessary at the back for inlet air. Tacking servicing, a space of about 750 mm should be provided at the front. Rear A : 750 mm or more B : 250 mm or more C : Top discharge(open in principle)
  • Page 49 Installation When there is an obstructure above the unit D : 1000 mm or more A : 45 ˚ or more B : 200 mm or more E : Air outlet guide (procured at the site) C : 250 mm or more F : 250 mm or more 2.
  • Page 50 Installation Settlement of outdoor unit • Anchor the outdoor unit with a bolt and nut(ø10mm) tightly and horizontally on a concrete or rigid mount. • When installing on the wall, roof or rooftop, anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake.
  • Page 51 Installation Lifting Method • When carrying the unit suspended, pass the ropes under the unit and use the two suspension points each at the front and rear. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. •...
  • Page 52 Installation Piping length and the elevation Install the branch pipe so that pipe length and difference between high and low will not exceed below SPEC. Branch Outdoor Unit Indoor Unit Main (L1) AUUH488C AUUH728C Branch Main (L1) AUUH1008C Pipe Length(m) Spec.
  • Page 53 Installation Piping Connection 1. Form the piping according to its routing. Avoid bending and bending back the same piping point more than three times. (This will result in hardening the pipe.) 2. After deforming the piping, align centers of the union fitting of the indoor unit and the piping, and tighten them firmly with wrenches.
  • Page 54 Installation Refrigerant Additional Charging Method 1. AUUH488C There is not additional charging of refrigerant by main pipe of 30m below. For additional charging method, see below table. Model Synchro Refrigerant Additional charging (kg) Refrigerant = (L1-30) x A + (L2+L3-20) x 0.03 AUUH488C 0.07 Trio...
  • Page 55 Installation Branch Kit 1. Type of branch pipe Separately use a branch pipe depending on indoor capacity for installation. Unbalance type of branch pipe must be connected depending on large capacity or small capacity. Indoor Classification Model Name Capacity Ratio(%) Remark 2 UNIT PMUB11A...
  • Page 56 Installation 4 .Thermal insulation work • Securely wrap the refrigerant and the branch pipe by using thermal insulation materials provided. When using thermal insulation materials released, use withstand heat insulation materials (thickness of more than 15mm). • Securely adhere thermal insulation materials wrapping the branch pipe so that they do not widen.
  • Page 57 Installation 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 58 Installation Auto addressing Auto addressing work should be done for simultaneous operation. Addressing work assigns address to each Indoor Unit. When firstly installing product or replacing the Indoor Unit PCB. AUUH488C/AUUH728C/AUUH1008C Table.a ZONE SW1 Setting Indoor Unit No. ZONE SW1 Main PCB 1(Single) LED01T...
  • Page 59 Installation How to simultaneous operating - Keep the following procedure when simultaneously operating two units or more cassette type, duct type, and convertible type of indoor units via the free joint. 1. Turn on the power of the unit by the installed remote controller, a wire or a wireless remote controller.
  • Page 60 Installation Test running 1. PRECAUTIONS IN TEST RUNNING • The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation firstly even during heating season. If heating operation is carried out firstly, it leads to the trouble of compressor.

  • Page 61: Operation

    Operation Operation Function of control 1. MAIN UNIT FUNCTION • DISPLAY Operation Indicator • On while in appliance operation, off while in appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator •...
  • Page 62 Operation • While compressor on, the indoor fan is off when the indoor pipe temp. is below 20°C, when above 27°C , it operates with the low or setting speed. When the indoor pipe temp is between 20°C and 27°C, it operates with Super-Low(while in sleep mode, with the medium airflow speed).
  • Page 63 Operation 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the com- pressor is turned on.
  • Page 64 Operation Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote control, the on/off-timer operation is carried out according to the set time. Sleep Timer Operation • When the sleep time is reached after <1,2,3,4,5,6,7,0(cancel) hr> is input by the remote control while in appliance operation, the operation of the appliance stops.
  • Page 65 Operation Forced Operation • To operate the appliance by force in case that the remote control is lost, the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions. • When the power is supplied while the slide switch is on the forced operation position, or when the slide switch position is switched to the Auto Restarting (or test operation) position or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out.
  • Page 66 Operation CST Type Operation ON/OFF Operation Mode Selection Cooling Operation Mode ( Soft Dry Operation Mode ( Heating Operation Mode ( Auto Operation Mode ( (Cooling (Heating model only) model only) Fan Speed Selection AUTO (Low) (Med) (High) Room Temperature Display : High:39°C ↔...

  • Page 67: Duct Type

    Operation Duct Type Operation ON/OFF Operation Mode Selection Cooling Operation Mode ( Soft Dry Operation Mode ( Heating Operation Mode ( Auto Operation Mode ( (Cooling (Heating model only) model only) Fan Speed Selection (Low) (Med) (High) Room Temperature Display : High:39°C ↔...
  • Page 68 Operation Convertible Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Cooling (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Checking : (High:39°C Low:11°C) Temperature Setting HIGH TEMPERATURE Down to 18°C...
  • Page 69 Operation Remote Control Operation Convertible Type Remote controller The Remote Controller transmits the signals to the system. 1. START/STOP BUTTON Signal transmitter Operation starts when this button is pressed and stops when the button is pressed again. 2. OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 70 Operation CST Type Remote controller AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp Heat Pump Model AUTO Heater Preheat Defrost Humidify Filter Out door Time ZONE 1 2 3 4 Timer Operation unit Program set Set no. Time Cooling Model Timer Cancel...
  • Page 71 Operation Duct Type Remote Controller AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door 1 2 3 4 Time ZONE Timer Operation unit Program set Set no. Time Signal Receiver Timer Cancel Program...

  • Page 72: Two Thermistor System

    Operation 1. Two Thermistor System (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. • Position 1: The room temperature is controlled by the thermistor of the main body. •...
  • Page 73 Operation 3. E.S.P.(External Static Pressure) Setting (Duct type) (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. Position V-H, F-H: • This position sets the maximum E.S.P as a default set. 2.
  • Page 74 Operation 4. How to Set E.S.P? Procedure of RPM change: Ex) External Static pressure is 6mmAq for 36k. • To protect the unit, compressor is designed to be off during E.S.P. setting. Push the "On/Off" button. The unit will start. AUTO SWING OPERATION SET TEMP...
  • Page 75 Operation [Table. 1] Static Pressure(mmAq) Model Name Step CMM(CFM) Setting Value High 16.5(583) 14.5(512) 13(459) High 18(636) 16.5(583) 14(494) High 26.5(936) 23(812) 20(706) High 32(1130) 29(1024) 26.5(936) High 40(1412) 35(1235) 30(1059) High 50(1766) 45(1589) 40(1423) : 1. Be sure to set the value refering table 1. Unexpected set value will cause mal- Note function.

  • Page 76: Control Devices And Function

    Control Devices and Function Control Devices and Function Simple Central Control Features • Easy operation button. • Independent operation for 16 indoor units each. • Simultaneous turn ON/OFF for all of indoor units connected. • Easy change operation mode to cooling or heating •...

  • Page 77: Main Pcb

    Control Devices and Function Electrical wiring PICTORIAL VIEW OF THE CONNECTION Outdoor unit Outdoor unit PI485 : PNF-P14A0M MAIN PCB PI485 MAIN PCB Control Box CN_CENTRAL MAIN PCB CN_CENTRAL PI485 CENTRAL CONTROL CN OUT UNIT • Special purchase: Central control, PI485(PNF-P14A0M) ONE SIMPLE CENTRAL CONTROL CONNECTION INDOOR UNIT INDOOR UNIT 1...
  • Page 78 * LGAP : LG Air conditioners Protocol • Function of LG Network - It is possible to connect the network of LG air conditioners and to connect various contents of the network system, which is simple, deluxe and PC central control.
  • Page 79 Control Devices and Function Indoor Unit Address setting Method 1. Press 13(program) and 16(set and clear) key more Using Wired Remocon than 3 second then "Address Setting Mode" starts. 2. Set the address of indoor unit by using "Temperature setting" key. Range of address : 00 ~ FF AUTO SWING OPERATION...

  • Page 80: Test Run Method

    Control Devices and Function Test run method 1. Set the wiring of system and indoor unit. 2. Apply power to the setting. 3. Do auto addressing to the outdoor unit. 4. After addressing, initialize the central controller(Manual initialize: Total on + total off + 16 key). •...
  • Page 81 Control Devices and Function INSTALLATION ORDER Remove upper & lower case. Fixate screw in the holes of the For Dip switch, and Rotary case bottom. switch setting, refer to the page “How to Install”. For wiring connection, refer page Adjust the upper case in accor- Check the operation by supply- “Installation Procedure”...

  • Page 82: Rotary Switch

    Control Devices and Function . ROTARY SWITCH SETTING(INSTALLATION FOR 2 OR MORE SIMPLE CENTRAL CONTROL) The setting of Group Number in the Central Control is done by the rotary switch as shown in the figure below. It is possible to set 0~15 Group(Total 16 Groups). All the numbers on the rotary switch represent the different Group Numbers.
  • Page 83 Control Devices and Function Deluxe Central Control 2.1.1 Summary Deluxe Central control is a product available for individual and integrated monitoring and control of maximum 256 of TPS Inverter Multi air conditioner systems. Specially, operation status of the individual air conditioner can be particularly checked.
  • Page 84 Control Devices and Function Major Characteristics Figure 2) Deluxe Central control 1. Individual/Integrated Operation/Monitoring You can identify operation status of the air conditioner, operation mode, wind quantity, wind direction, lock- ing, temperature setting and error, etc by selecting the installed air conditioner through individual selection, group selection or all selection.
  • Page 85 Control Devices and Function 6. Convenient GUI / Touch Screen Not requires special education for using the Deluxe Central control, conveniently used only by pressing the buttons on the screen, and its function can be understood with intuitive pictogram. Especially schedule setting is done by simply by dragging, different from the existing system requiring to press the button by more than average 30 times to enter a schedule.
  • Page 86 Control Devices and Function Figure 3) Deluxe Central control Table 1) Comparison Between Central control Characteristics Internet Central control PC Central control Deluxe Central control Dedicate PC Non-required Required Non-required Configuration User S/W User S/W, Engine S/W Main Body of Web Pad Deluxe Central control Position of program Download to i-GW...

  • Page 87: System Control

    Control Devices and Function Major Function of Deluxe Central Control [ System Control ] To check general monitor function of the air con central control system such as selection of group and air conditioner, air conditioner control monitor function etc. PQCSW501A0, PQCSW502A0 [ System Monitor ] To check the ctual time status of all air conditioners.

  • Page 88: System Configuration

    Control Devices and Function System Configuration Scenario 1 : In case of not using Internet access function Product B part A part Control System Interface Delux Central PI485 Control PI485 Cross UTP Cable (Cross LAN Cable) RS-485 Cable PI485 PI485 * CNU: Central control Network interface Unit PI485: Product Interface unit for IEEE485 transmission.

  • Page 89: Schematic Diagram

    Schematic Diagram Schematic Diagram Electronic Control Device 1. Indoor Unit (1) CassetteType RY-FAN(A)-H JQ1A-12V RY-FAN(A)-L JQ1A-12V RY-FAN(B)-H JQ1A-12V RY-FAN(B)-L JQ1A-12V Service Manual 89...
  • Page 90 Schematic Diagram (2) Duct Type 90 Synchro Air Conditioner...
  • Page 91 Schematic Diagram (3) Convertible Type Service Manual 91...
  • Page 92 Schematic Diagram 2. Outdoor Unit (1) AUUH488C/AUUH728C/AUUH1008C PRESS PRESS HIGH R04J R05J R06J VAREF VASS 92 Synchro Air Conditioner...
  • Page 93 Schematic Diagram Wiring Diagram 1. Cassette Type Indoor Unit 2. Duct Type Indoor Unit - BH chassis 3. Duct Type Indoor Unit-BG chassis 4. Duct Type Indoor Unit - BR chassis 5. Convertible Type Indoor Unit-VE chassis 6. Convertible Type Indoor Unit-VB chassis WIRING DIAGRAM STEP MOTOR...
  • Page 94 Schematic Diagram Outdoor Unit 1. AUUH488C 2. AUUH728C 3. AUUH1008C 94 Synchro Air Conditioner...
  • Page 95 Schematic Diagram Components Locations (1) Cassette Type -TE/TF/TD Chassis (2) Duct Type - BH Chassis Service Manual 95...
  • Page 96 Schematic Diagram (4) Convertible Type-VB Chassis (3) Duct Type -BG/BR Chassis 96 Synchro Air Conditioner...
  • Page 97 Schematic Diagram (5) Convertible Type-VE Chassis AC part TOP VIEW BOTTOM VIEW DC part TOP VIEW BOTTOM VIEW Service Manual 97...

  • Page 98: Outdoor Unit

    Schematic Diagram 2. Outdoor Unit (1) AUUH488C/AUUH728C/AUUH1008C 1) Component side R02N R03N D01N R05N R26S D05S IC08S C02N R25S R04N IC07S AC_N R24S IC06S R23S D04S R01N IC05S R21S C09M D03S R22S IC04S D02N NF01N ZNR01N R19S ZD02N IC03S D02S R20S D02M IC02S...
  • Page 99 Schematic Diagram 2) Solder side M / S - S W 1 M / S S W 4 C 3 0 Q Service Manual 99...

  • Page 100: Piping Diagrams

    Piping Diagrams Piping Diagrams 1. AUUH488C "Synchro" Duo - AUUH488C INDOOR UNIT OUTDOOR UNIT Reversing Valve Heat Heat Exchanger Exchanger Thermistor High pressure pressure option Check Check Gas Piping Valve Valve Ø B Thermistor Thermistor Accumulator Liquid Piping Ø A Branch kit (Accessory) Thermistor...
  • Page 101 Piping Diagrams "Synchro" Quartet - AUUH488C INDOOR UNIT OUTDOOR UNIT Heat Exchanger Reversing Valve Heat Exchanger Piping Ø B Thermistor Thermist Liquid High Piping pressure pressure INDOOR UNIT Ø A option Heat Exchanger Check Check Valve Valve Thermistor Branch kit Accumulator (Accessory) Piping...
  • Page 102 Piping Diagrams 2. AUUH728C "Synchro" Duo - AUUH728C INDOOR UNIT OUTDOOR UNIT Reversing Valve Heat Heat Exchanger Exchanger Thermistor High Pressure Pressure Check Check Check Gas Piping Valve Valve Valve Ø B Thermistor Thermistor Accumulator Liquid Piping Ø A Branch kit (Accessory) Thermistor INDOOR UNIT...
  • Page 103 Piping Diagrams "Synchro" Quartet - AUUH728C INDOOR UNIT OUTDOOR UNIT Heat Exchanger Reversing Valve Heat Exchanger Piping ØB Thermistor Thermist High Liquid Pressure Piping INDOOR UNIT Ø A Pressure Heat Exchanger Check Check Check Valve Valve Valve Thermistor Branch kit Accumulator (Accessory) Piping...
  • Page 104 Piping Diagrams "Synchro" Trio - AUUH1008C OUTDOOR UNIT INDOOR UNIT Reversing Heat Valve Exchanger Heat Exchanger Thermistor High Pressure Gas Piping Pressure Ø B Thermistor Check Check Valve Valve Liquid Piping Thermistor Ø A Branch kit INDOOR UNIT Accumulator (Accessory) Heat Exchanger Thermistor...

  • Page 105: Troubleshooting Guide

    Troubleshooting Guide Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air, and operating current. Temp. difference : approx. 0°C All amount of refrigerant leaked out. Current : less than 80% of Check refrigeration cycle. rated current Temp.
  • Page 106 Troubleshooting Guide Electronic Parts Troubleshooting Guide The Product doesn’t operate at all. Trouble 1 Turn off the main power and wait until LED on outdoor PCB is off Turn on the main power again. Does the Operating LED of indoor unit blink Refer to the self-diagnosis function.
  • Page 107 Troubleshooting Guide Product doesn't operate with the remote controller. Trouble 2 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 108 Troubleshooting Guide When cooling does not operate Trouble 3 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 109: When Heating Does Not Operate

    Troubleshooting Guide When Heating does not operate Trouble 4 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 110: When Indoor Fan Does Not Operate

    Troubleshooting Guide When indoor Fan does not operate Trouble 5 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 111: When Vertical Louver Does Not Operate

    Troubleshooting Guide When Vertical Louver does not operate Trouble 6 • 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 112 Troubleshooting Guide Self-diagnosis Function Error Indicator • The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble. • Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table. •...
  • Page 113 Troubleshooting Guide Troubleshooting CH01, CH02, CH06 Display Title Cause of error Check point & Normal condition code • Open / Short Normal resistor : 10KΩ/ at 25°C (Unplugged) Indoor air sensor • Soldered poorly Normal voltage : 2.5Vdc / at 25°C (plugged) •...
  • Page 114 Troubleshooting Guide Troubleshooting CH03 Display Title Cause of error Check point & Normal condition code • Connection of wire Communication • Open / Short • Main PCB Volt. DC12V Wired R/C • Wrong connection • Noise interference Wired R/C Indoor Unit 12Vdc 12Vdc Check the Volt.
  • Page 115 Troubleshooting Guide Troubleshooting CH04 Display Title Cause of error Check point & Normal condition code • The connection of wire(Drain pump/ Float switch) • Drain pump power input. (220V) Drain pump • Float switch Open. • Drain tube installation. / Float switch (Normal : short) •...
  • Page 116 Troubleshooting Guide Troubleshooting CH05, CH53 Display Title Cause of error Check point & Normal condition code • Power input AC 220V. (Outdoor, Indoor) • The connector for transmission is disconnected. • The connecting wires are misconnected. Communication • Communication poorly •...
  • Page 117 Troubleshooting Guide Troubleshooting CH21 Display Title Cause of error Check point & Normal condition code • An instant over current in the U,V,W phase - Comp lock • Instant over current - The abnormal connection of U,V,W • Over Rated current DC Peak •...
  • Page 118 Troubleshooting Guide Troubleshooting CH22 Display Title Cause of error Check point & Normal condition code Malfunction of compressor Blocking of pipe Max. C/T Over current (14A ) Low voltage input Refrigerant, pipe length, blocked, … Malfunction of current detection circuit. (Open / Short) Initial current error Internal circuit...
  • Page 119 Troubleshooting Guide Troubleshooting CH24, CH25 Display Title Cause of error Check point & Normal condition code • Check the connection of “CN_Press”. • Low / High press Press S/W Open • Check the components. S/W open. • Abnormal Input voltage •...
  • Page 120 Troubleshooting Guide Troubleshooting CH26, CH27 Display Title Cause of error Check point & Normal condition code • Check the connection of comp wire “U,V,W” DC Compressor • Compressor • Malfunction of compressor Position position detect error • Check the component of “IPM”, detection parts. •...
  • Page 121 Troubleshooting Guide Troubleshooting CH32, CH33 Display Title Cause of error Check point & Normal condition code • Check the discharge pipe sensor for INV. D-pipe (Inverter) • Check the install condition for over load. • Discharge sensor temp. high • Check the leakage of refrigerant. (Inverter) temp.
  • Page 122 Troubleshooting Guide Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Display Title Cause of error Check point & Normal condition code • Open / Short • Normal resistor : 200KΩ / at 25°C (Unplugged) D-pipe sensor (Inverter) • Soldered poorly • Normal voltage : 4.5Vdc / at 25°C (plugged) •...
  • Page 123 Troubleshooting Guide Troubleshooting CH51, CH60 Display Title Cause of error Check point & Normal condition code • Over Capacity • Check the indoor unit capacity. Combination Capacity Error • Undder Capacity • Check the combination table. Combination EEPROM • Check the PCB ASM P/No. •...
  • Page 124 Troubleshooting Guide Troubleshooting CH54 Display Title Cause of error Check point & Normal condition code • Check the Main power Phase error • Phase change • Check the CN_PHASE connector Phase_A 5.3 msec Phase_B Phase_C Check Point 1. Check the Main power. 2.
  • Page 125 Troubleshooting Guide Troubleshooting CH61, CH62 Display Title Cause of error Check point & Normal condition code Condenser • Condenser pipe sensor • Check the load condition. pipe sensor detected high • Check the sensor of Condenser pipe sensor. temp. high temp.(65°C) •...

  • Page 126: (3-Way) Valve

    (3-way) Valve (3-way) Valve 3-way Valve (Liguid Side) 3-way Valve (Gas Side) Valve cap Valve cap Open position Open position Closed position Closed position To piping To piping Service connection Service Service connection Service port cap port port cap port To outdoor unit To outdoor unit Service port...

  • Page 127: Pumping Down

    (3-way) Valve (1) Pumping down Liquid side Indoor unit Open Outdoor unit 3-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air Procedure • 6. Operate the air conditioner at the cooling cycle For pumping down,firstly short the Low Pressure and stop it when the gauge indicates 1kg/cm s/w at the outside and then operate below proce- dure.(except AUUH488B)
  • Page 128 (3-way) Valve (2) Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 2-Way valve Open Gas side 3-Way valve Open Vacuum pump OPEN CLOSE • Procedure 6. Disconnect the charge hose from the vacuum 1. Confirm that both the liguid side valve and gas pump.

  • Page 129: Gas Charging

    (3-way) Valve (3) Gas Charging (After Evacuation) Liquid side Indoor unit Open Outdoor unit 2-Way valve Gas side Open 3-Way valve Check valve Charging cylinder OPEN CLOSE • Procedure 1. Connect the gauge to the charging cylinder. 4. Immediately disconnect the charge hose from - Connect the charge hose which you disconnect- the gas side valve's service port.

  • Page 130: Function

    Function Function- Ceiling Cassette Type The function of main control Auto Swing Control • This function is to swing the louver up and down automatically. 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 131: Heating Mode Operation

    Function 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 +3°C (Thermo OFF)

  • Page 132: Cooling Mode Operation

    Function Function- Ceiling Duct Type The function of main control 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. Cooling Mode Operation •...
  • Page 133 Function 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 +3°C (Thermo OFF)
  • Page 134 Function 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 spped spped...
  • Page 135 Function Function- Ceiling & Floor The function of main control 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. Cooling Mode Operation •...
  • Page 136 Function 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 +3°C (Thermo OFF)
  • Page 137 Function 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 spped...

  • Page 138: Outdoor Units

    Outdoor Units Outdoor Units (AUUH-) 1. Basic control 1.1 Normal operation Cooling mode Heating mode Stop state Step Control Step Control Stop Compressor Phase control Phase control After 30sec, Off Target Suction super heat and Target Suction super heat and After 60sec, Full Opne Discharge Temp.
  • Page 139 Outdoor Units (2) Operation field for Temp. Cooling Outdoor Temp. 28°C 27°C Standard 25°C Step 24°C Hysterisis 1 Step Down Indoor Temp. 21°C 22°C 23°C 24°C Heating Outdoor Temp. 27°C 26°C 1 Step Down 22°C 21°C Hysterisis Standard Step 15°C 15°C 27°C 30°C...

  • Page 140: 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 141: 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 142 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 outdoor_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 143: 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 144 Outdoor Units 2.2 Oil control : COMP OIL Equalizing Control (48k, 72k) : 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 145: Protection Control

    Outdoor Units 3. Protection control 3.1 Discharge Temperature control Discharge pipe Temperature COMP OFF 115°C LEV OPEN (50PULSE/MIN ) 100°C LEV OPEN (30PULSE/MIN ) 95°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 146 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 147: Exploded View & Replacement Parts List

    Exploded View & Replacement Parts List Exploded View & Replacement Parts List 1. Indoor Unit Ceiling Cassette Type TE chassis 249941 266090 249951 263230-3 263230-2 263230-1 268714 159830 354211 352118 35211A 158591 266012 330870 Service Manual 147...
  • Page 148 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-1 267110-2 130911-2 267110-1 148 Synchro Air Conditioner...
  • Page 149 Exploded View & Replacement Parts List Parts List(Cassette Type - TE Chasis) PART No. LOCATION DESCRIPTION CODE ATNH126ELFC ATNH186ELFC 130411 BASE ASSY,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 AIR CLEANER ASSEMBLY...
  • Page 150 Exploded View & Replacement Parts List TF chassis 349490 266090 263230-3 263230-2 263230-1 249951 354211-2 268714 354211-1 159830 352118-2 552111 352118-1 158591 266012 330870 150 Synchro Air Conditioner...
  • Page 151 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-2 130911-1 267110-2 267110-1 Service Manual 151...
  • Page 152 Exploded View & Replacement Parts List Parts List(Cassette Type - TE Chasis) PART No. LOCATION DESCRIPTION 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 AIR CLEANER ASSEMBLY 5983A10002A 5983A10002A 249951 CONTROL BOX ASSEMBLY,INDOOR...
  • Page 153 Exploded View & Replacement Parts List TD chassis 263230-3 263230-2 263230-1 349490 249951 266090 268714 159830 354211-2 130411 354211-1 55211-2 552111 352118-1 330870 158591 266012 Service Manual 153...
  • Page 154 Exploded View & Replacement Parts List 130411 W0CZZ 346810 359012 130911-2 130911-3 267110-2 130911-4 130911-1 267110-1 352150-2 154 Synchro Air Conditioner...
  • Page 155 Exploded View & Replacement Parts List Parts List(Cassette-TD Chassis) PART No. LOCATION DESCRIPTION CODE ATNH366DLFC ATNH486DLFC ATNH606DLFC 130411 BASE ASSEMBLY,WELD(INDOOR) 3041A10016A 3041A10016A 3041A10016A 130911-1 CABINET ASSEMBLY,INDOOR 3091A20034A 3091A20034A 3091A20034A 130911-2 CABINET ASSEMBLY,INDOOR 3091A20034B 3091A20034B 3091A20034B 130911-3 CABINET ASSEMBLY,INDOOR 3091A20035A 3091A20035A 3091A20035A 130911-4 CABINET ASSEMBLY,INDOOR 3091A20035B...
  • Page 156 Exploded View & Replacement Parts List BH/BG Chassis 359012 346810 359012-1 336610-1 336610-2 W0CZZ 249951 354210 152302 268714 263230-1 263230-2 263230-3 552111 267110 352118 330860 156 Synchro Air Conditioner...
  • Page 157 Exploded View & Replacement Parts List Parts List(DUCT-BH,BG Chassis) PART No. LOCATION DESCRIPTION CODE ABNH186HLAC ABNH246HLAC ABNH306GLAC ABNH366GLAC 152302 FILTER(MECH),A/C 5230A30001M 5230A30001M 5230A30001L 5230A30001L 249951 CONTROL BOX ASSEMBLY,INDOOR 4995A14002S 4995A14002V 4995A14002T 4995A14002U 263230-1 THERMISTOR ASSEMBLY 6323AQ3226G 6323AQ3226G 6323AQ3226G 6323AQ3226G 263230-2 THERMISTOR ASSEMBLY 6323AQ3214E 6323AQ3214E 6323AQ3214E...
  • Page 158 Exploded View & Replacement Parts List BR chassis 359012 346810 359012-1 336610-1 336610-2 W0CZZ 249951 268714 354210 152302 352111 263230-1 263230-2 263230-3 552111 267110 352118 330860 158 Synchro Air Conditioner...
  • Page 159 Exploded View & Replacement Parts List Parts List(DUCT-BR Chassis) PART No. LOCATION DESCRIPTION CODE ABNH486RLAC ABNH606RLAC 152302 FILTER(MECH),A/C 5230A30017A 5230A30017A 249951 CONTROL BOX ASSEMBLY,INDOOR 4995A14002W 4995A14002X 26230-1 THERMISTOR ASSEMBLY 6323AQ3226G 6323AQ3226G 26230-2 THERMISTOR ASSEMBLY 6323AQ3214E 6323AQ3214E 26230-3 THERMISTOR ASSEMBLY 6323AQ3226V 6323AQ3226V 267110 REMOTE CONTROLLER ASSEMBLY...
  • Page 160 Exploded View & Replacement Parts List Ceiling & Floor Type Convertible Type (VE chassis) 137211 135310 268712 147581 152302 135313 146811 733010 131410 267110 W0CZZ 330870 266000 135500 346810 263230-1 131410 354212 35211B 268715 352150 268716 263230-2 W4810 266000 359011 249951 342800 330780...
  • Page 161 Exploded View & Replacement Parts List Part List (Convertible-VE chassis) PART No. LOCATION DESCRIPTION REMARKS AVNH126ELAC 137211 PANEL ASSEMBLY,FRONT 3721A10092A 146811 MOTOR ASSEMBLY,STEP 4681A20055A 147581 LOUVER,HORIZONTAL 4758A10006A 152302 FILTER(MECH),A/C 5230A10009A 249951 CONTROL BOX ASSEMBLY,INDOOR 4995A20356H 263230-1 THERMISITOR ASSEMBLY 6323A20004T 263230-2 THERMISITOR ASSEMBLY 6323AQ3226V 266000...
  • Page 162 Exploded View & Replacement Parts List Convertible Type (VB chassis) 162 Synchro Air Conditioner...
  • Page 163 Exploded View & Replacement Parts List Parts List(Convertible-VB Chassis) PART No. LOCATION DESCRIPTION REMARKS AVNH186BLAC AVNH246BLAC AVNH306BLAC 130911 CABINET ASSEMBLY 3091AP2533A 3091AP2533A 3091AP2533A 135303 GRILLE,INLET 5236AP1236A 5236AP1236A 5236AP1236A 135310 GRILLE ASSEMBLY,DIFFUSER 3531A10272D 3531A10272D 3531A10272D 135314 GRILLE ASSEMBLY,INLET SUB 5237AP2817B 5237AP2817B 5237AP2817B 137211 PANEL ASSEMBLY,FRONT...
  • Page 164 Exploded View & Replacement Parts List 2. Outdoor Unit AUUH488C 164 Synchro Air Conditioner...
  • Page 165 Exploded View & Replacement Parts List Parts List(AUUH488C) PART No. LOCATION DESCRIPTION REMARKS AUUH488C 135301 GRILLE,DISCHARGE 3530AP1225D 137213 PANEL ASSEMBLY,SIDE 3721A20229A 430411 BASE ASSEMBLY,WELD 3041A20047F 435511 COVER ASSY,CONTROL 3A01293X 435512 COVER ASSEMBLY,TOP 3550AP1213B 437210 PANEL ASSEMBLY,FRONT 3720AP1212B 437212 PANEL ASSEMBLY,REAR 3720AP1202C 546810 MOTOR ASSEMBLY,OUTDOOR...
  • Page 166 Exploded View & Replacement Parts List AUUH728C 435311 349490 137213-1 435313 559010 552113-2 549610 552113-1 546810 554030-2 552115 554030-1 435310 554030-4 554030-3 552112 W52104 437412 447910-1 447910-2 552114 137213-2 552117-1 552117-2 552117-3 437211 668711 552114-1 55211G 552114-2 561410 552116 649950 561411 668713 330870...
  • Page 167 Exploded View & Replacement Parts List Parts List(AUUH728C) PART No. LOCATION DESCRIPTION REMARKS AUUH728C 137213-1 Panel Assembly,Side 3721A10120B 137213-2 Panel Assembly,Side 3721A10120D 567480-4 Thermistor,NTC (Condenser, Air) 6323A20020Y 567480-5 Thermistor,NTC (Discharge, Suction) 6323A20020Z 567480-6 Thermistor,NTC (PCB Assembly Sub) 3Q35015S 330870 Pan Assembly,Drain 3087A10023C 349490 Orifice Assembly...
  • Page 168 Exploded View & Replacement Parts List AUUH1008C 435311 349940 137213-1 435313 559010 546810 549610 554030-1 554030-2 554030-3 447910-1 435310 447910-2 437412 55211G 55211G 554030-4 330870 552203-1 554160 552203-2 430410 658740 668711 263230-2 263230-1 561411 561410 137213-2 437211 168 Synchro Air Conditioner...
  • Page 169 Exploded View & Replacement Parts List Parts List(AUUH1008C) PART No. LOCATION DESCRIPTION REMARKS AUUH1008C 137213-1 PANEL ASSEMBLY,SIDE 3721A10120B 137213-2 PANEL ASSEMBLY,SIDE 3721A10120A 263230-1 THERMISTOR ASSEMBLY 6323A20020Y 263230-2 THERMISTOR ASSEMBLY 6323A20020Z 330870 DRAIN PAN ASSEMBLY 3087A10017C 349940 ORIFICE ASSEMBLY 4949A10008A 430410 BASE ASSEMBLY,OUTDOOR 3041A10049E 435310...
  • Page 170 Exploded View & Replacement Parts List PT-HEC1 268712 146811 152312 135314 137211 135802 170 Synchro Air Conditioner...
  • Page 171 Exploded View & Replacement Parts List PT-HFC 268712 146811 152312 135314 137211 Service Manual 171...
  • Page 172 Exploded View & Replacement Parts List PT-HDC1 146811 268712 152312 135314 135802 137211 172 Synchro Air Conditioner...
  • Page 173 Exploded View & Replacement Parts List Parts List Part No. LOCATION DESCRIPTION REMARKS PT-HEC1 137211 PANEL ASSEMBLY,FRONT(INDOOR) 3721A10105N 135314 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A10059A 135312 FILTER ASSY,AIR CLEANER 5231A10005A 146811 MOTOR ASSEMBLY,STEP 4681A20055A 268712 PWB(PCB) ASSEMBLY,DISPLAY 6871A20096J 135802 DOOR 3580A20005A Part No. LOCATION DESCRIPTION REMARKS...
  • Page 174 P/No.: 3828A22009R Printed in Korea...

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