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P/NO : MFL67221412

www.lg.com

Original instruction

INSTALLATION MANUAL

AIR CONDITIONER 

• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national 
  wiring standards by authorized personnel only.
• Please retain this installation manual for future reference after reading 
  it thoroughly.your set and retain it for future reference.

ENGLISH

IT

ALIANO

ESP
AÑOL

FRANÇAIS

DEUTSCH

ČEŠTINA

ΕΛΛΗΝΙΚΆ

NEDERL

ANDS

POL
SKI

LIMBA ROMÂNĂ

POR
TUGUESE

MA
G

YAR

БЪЛГАРСKN

SRPSKI

HR

VA

TSKI

SVENDKA

NORSK

SUOMI

DANSK

Summary of Contents for ARUN080LTE4

Page 1: ...st be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly your set and retain it for future reference ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ČEŠTINA ΕΛΛΗΝΙΚΆ NEDERLANDS POLSKI LIMBA ROMÂNĂ PORTUGUESE MAGYAR БЪЛГАРСKN SRPSKI HRVATSKI SVENDKA NORSK SUOMI DANSK ...

Page 2: ...ified on the unit If a different refrigerant or air is mixed with the original refrigerant the refrigerant cycle may malfunction and the unit may be damaged Do not reconstruct to change the settings of the protection devices If the pressure switch thermal switch or other protection device is shorted and operated forcibly or parts other than those specified by LGE are used fire or explosion may res...

Page 3: ...points so that it cannot slip sideways Safely dispose of the packing materials Packing materials such as nails and other metal or wooden parts may cause stabs or other injuries Tear apart and throw away plastic packaging bags so that children may not play with them If children play with a plastic bag which was not torn apart they face the risk of suffocation Turn on the power at least 6 hours befo...

Page 4: ...ections mm inch Ø 12 7 1 2 Ø 12 7 1 2 Ø 15 88 5 8 Ø 15 88 5 8 mm inch Ø 28 58 1 1 8 Ø 28 58 1 1 8 Ø 28 58 1 1 8 Ø 28 58 1 1 8 Unit 2 Outdoor Unit System HP 22 24 26 28 Model Combination Unit ARUN220LTE4 ARUN240LTE4 ARUN260LTE4 ARUN280LTE4 Independent Unit ARUN120LTE4 ARUN120LTE4 ARUN140LTE4 ARUN160LTE4 ARUN100LTE4 ARUN120LTE4 ARUN120LTE4 ARUN120LTE4 Refrigerant Precharged Amount kg 7 5 x 2 7 5 x 2...

Page 5: ...leindoorunits 64 64 Net Weight kg 280 4 280 4 lbs 617 x 4 617 x 4 Dimensions WxHxD mm 1 240 1 680 760 4 1 240 1 680 760 4 inch 48 13 16 66 5 32 29 29 32 x 4 48 13 16 66 5 32 29 29 32 x 4 Piping Conections mm inch Ø 22 2 7 8 Ø 22 2 7 8 mm inch Ø 53 98 2 1 8 Ø 53 98 2 1 8 Unit 1 Outdoor Unit System HP 14 16 18 20 Model Combination Unit ARUN140LTS4 ARUN160LTS4 ARUN180LTS4 ARUN200LTS4 Independent Unit...

Page 6: ...13 16 66 5 32 29 29 32 x 2 36 7 32 66 5 32 29 29 32 x 1 Piping Conections mm inch Ø 19 05 3 4 Ø 19 05 3 4 Ø 19 05 3 4 Ø 19 05 3 4 mm inch Ø 41 3 1 5 8 Ø 41 3 1 5 8 Ø 41 3 1 5 8 Ø 41 3 1 5 8 Unit 3 Outdoor Unit System HP 54 56 58 60 Model Combination Unit ARUN540LTS4 ARUN560LTS4 ARUN580LTS4 ARUN600LTS4 Independent Unit ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 ARUN200L...

Page 7: ... lift the unit with ropes attached at four points so that impact is not applied to the unit Attach the ropes to the unit at an angle of 40 or less Locking points for transportation ropes Forklift Carrying Guide Forklift Carrying Hole LIFTING METHOD Category Installation Space Case 1 10mm SideSpace 49mm Case 2 Side Space 49mm 4 sides are walls A 10 B 300 C 10 D 500 A 50 B 100 C 50 D 500 A 10 B 300 ...

Page 8: ...support Ⓕ Concrete support CAUTION Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit Base Pan before fixing the bolt It may cause the unstable state of the outdoor settlement and may cause freezing of the heat exchanger resulting in abnormal operations Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit before welding Not removing Pal let...

Page 9: ...2 A R 0 4 0 8 Ø12 7 55 6 16 2 16 6 Ø15 88 75 7 19 3 19 7 CAUTION Always use a charge hose for service port connection After tightening the cap check that no refrigerant leaks are present When loosening a flare nut always use two wrenches in combination When connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut When connecting a flare nut coat the flar...

Page 10: ...ompressor It prevents normal operation of the compressor In order to avoid this problem Welding should be done after replacing air by nitrogen gas When welding plumbing pipe the work is required 1 Always use the nitrogen not use oxygen carbon dioxide and a Chevron gas Please use the following nitrogen pressure 0 02MPa Oxygen Promotes oxidative degradation of refrig erant oil Because it is flammabl...

Page 11: ...rk after removing burr after Knock Out work Perform sleeve work to prevent damage to the wire when con necting wires using knock Outs PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Remove leakage prevention cap Remove the leakage prevention cap attached to the outdoor unit service valve before pipe work Proceed the leakage prevention cap removal as follows Verify whether the liquid gas pipes are...

Page 12: ...Slave3 Slave2 Slave1 Master l 40m 90 m Conditional application H 110m L150m 200 m Conditional application h 40m 10m or less ODU Capacity Master Slave 1 Slave 2 Slave 3 Slave3 Slave2 Slave1 Master Slave3 Slave2 Slave1 Master l 40m H 110m L200m h 40m 10m or less ODU Capacity Master Slave 1 Slave 2 Slave 3 Series Outdoor Units 2 Units 4 Units h See Table 2 A Refrigerant pipe diameter from outdoor uni...

Page 13: ... Outdoor unit Connection Indoor Unit Connection Indoor Unit connecting pipe from branch a b c d e f Indoor Unit capacity kW Btu h Liquid pipe mm inch Gas pipe mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 600 Ø9 52 3 8 Ø15 88 5 8 22 4 76 400 Ø9 52 3 8 Ø19 05 3 4 28 0 95 900 Ø9 52 3 8 Ø22 2 7 8 WARNING In case of pipe diameter B connected after first branch is bigger than the main pipe diameter A ...

Page 14: ... Trap 2m or less 2m or less 2m or less 0 2m or more 2m or longer 2m or longer 2m or longer If the main pipe is higher than the outdoor units oil is accumulated in the outdoor unit If there are differences in the height between the outdoor units oil is accumulated in the lower outdoor unit OilTrap Toward indoor unit Toward indoor unit Pipe inclination 2 or more Toward indoor unit Toward indoor unit...

Page 15: ...should satisfy the following equation for human safety If the above equation can not be satisfied then follow the follow ing steps Selection of air conditioning system select one of the next Installation of effective opening part Reconfirmation of Outdoor Unit capacity and piping length Reduction of the amount of refrigerant Installation of 2 or more security device alarm for gas leakage Change In...

Page 16: ...nsulator included with kit Liquid and gas pipe joints Insulator for field piping Tape field supply A B C Ⓐ To Branch Piping or Indoor Unit Ⓑ To Outdoor Unit Ensure that the branch pipes are attached horizontally or vertically see the diagram below There is no limitation on the joint mounting configuration If the diameter of the refrigerant piping selected by the procedures described is different f...

Page 17: ...38 1 I D 34 9 I D 28 58 O D 44 48 X2 175 I D31 8 I D 53 98 I D 25 4 I D 44 48 I D 44 48 I D38 1 I D41 3 I D 44 48 I D38 1 I D41 3 I D 53 98 420 490 134 1 2 3 3 2 3 3 3 3 2 O D 19 05 I D 12 7 I D 15 88 O D12 7 I D6 35 I D9 52 X2 110 110 I D25 4 I D22 2 I D 19 05 I D 19 05 I D 22 2 I D 25 4 I D 25 4 I D 22 2 346 379 96 2 3 3 2 3 unit mm unit mm Leak test Leak test should be made by pressurizing nitr...

Page 18: ...ong period of time After evacuating the system for 2 hrs give pressure to the system to 0 05MPa vacuum break with nitrogen gas and then evacuate it again with the vacuum pump for 1hr to 100 7kPa vacuum drying If the system cannot be evacuated to 100 7kPa within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after maintaining the system ...

Page 19: ...on part with steel plate so that the insulation material will not be caved in For this part use incom bustible materials for both insulation and covering Vinyl covering should not be used Inner wall concealed Outer wall Outer wall exposed Floor fireproofing Penetrating portion on fire limit and boundary wall Roof pipe shaft Caution Follow ordinance of your governmental organization for technical s...

Page 20: ... the designated power cable and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them CAUTION Use the 2 core shield cables for communication cables Never us...

Page 21: ...ed person Wiring of main power supply and equipment capacity Use a separate power supply for the Outdoor Unit and Indoor Unit Bear in mind ambient conditions ambient temperature direct sun light rain water etc when proceeding with the wiring and connec tions The cable size is the minimum value for metal conduit wiring The power cord size should be 1 rank thicker taking into account the line voltag...

Page 22: ...t the main PCB is a terminal for day contact it is not the point to make ground connection WARNING Indoor Unit ground wires are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connection to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit separately from t...

Page 23: ...y Install the main switch that can interrupt all the power sources in an integrated manner because this system consists of the equipment utilizing the multiple power sources If there exists the possibility of reversed phase lose phase mo mentary blackout or the power goes on and off while the product is operating attach a reversed phase protection circuit locally Running the product in reversed ph...

Page 24: ...B For completing addressing 2 7 minutes are required depending on numbers of connected indoor units Numbers of connected indoor units whose addressing is completed are indicated for 30 seconds on 7 segment LED of the outdoor unit PCB After completing addressing address of each indoor unit is indicated on the wired remote control display window CH01 CH02 CH03 CH06 Indicated as numbers of connected ...

Page 25: ...he option Change the set value Blank Save in EEPROM ODU ad dress 0 255 set the value Change the set value Blank Save in EEPROM Snow re moval rapid defrost oFF op1 op3 Selected the option Change the set value Blank Save in EEPROM IDU capacity adjusting on oFF Selected the option Change the set value Blank Save in EEPROM Target pressure adjusting oFF op1 op3 Selected the option Change the set value ...

Page 26: ...the mode using Button Func Push the button Select the Function using Button Fn4 Push the button Select the Option using Button on oFF Push the button Overall defrost mode is set Mode setting on Operate overall defrost off Operate partial defrost CAUTION Ask an authorized technician to setting a function ARUN LTS4 models operate only overall defrost function Setting the ODU address Mode setting met...

Page 27: ...ncrease capacity 2 C 1 5 C op3 Decrease power consumption Decrease power consumption 4 C 2 5 C op4 Decrease power consumption Decrease power consumption 6 C 4 5 C IDU capacity adjusting Mode setting method Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn7 Push the button Select the Option using Button on oFF Push the button ID...

Page 28: ...indoor unit is open or short 0 9 Indoor EEPROM Error In case when the serial number marked on EEPROM of Indoor unit is 0 or FFFFFF 1 0 Poor fan motor operation Disconnecting the fan motor connector Failure of indoor fan motor lock 1 7 Inlet Air temperature sensor of FAU Air temperature sensor of indoor unit is open or short Outdoor unit related error 2 1 Master Outdoor Unit Inverter Compressor IPM...

Page 29: ... Out door Unit 5 2 Communication error inverter PCB Main PCB Failing to receive inverter signal at main PCB of Master Outdoor Unit 5 3 Communication error indoor unit Main PCB of Outdoor Unit Failing to receive indoor unit signal at main PCB of Outdoor Unit 5 7 Communication error Main PCB inverter PCB Failing to receive signal main PCB at inverter PCB of Master Out door Unit 5 9 Mixing Installati...

Page 30: ...the refrigerant gas will not exceed the limiting concentration even if the refrigerant gas leaks in the room Limiting concentration CAUTION FOR REFRIGERANT LEAK 30 ENGLISH Outdoor unit related error 1 0 4 Communication Error Between Master Outdoor Unit and Other Outdoor Unit Failing to receive Slave Unit signal at main PCB of Master Out door Unit 1 0 5 Master Outdoor Unit Fan PCB Communication Err...

Page 31: ...tay since refrigerant is heavier than air CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient perfo...

Page 32: ...igures quoted are emission level and are not necessarily safe working levels Whilst there is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are required Factor that influence the actual level of exposure of the workforce include the characteristics of the work room and the other sources of noise i e the number of ...

Page 33: ...esentative LG Electronics Inc EU Representative Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA ...

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