LG MULTI V MINI ARUN036GS2 Installation Manual Download | Manualshive

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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.

INSTALLATION MANUAL

AIR

CONDITIONER

P/NO : MFL46912318

Copyright © 2010 - 2018 LG Electronics Inc. All Rights Reserved.

ENGLISH

FRANCAIS

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Summary of Contents for MULTI V MINI ARUN036GS2

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 INSTALLATION MANUAL AIR CONDITIONER P NO MFL46912318 Copyright 2010 2018 LG Electronics Inc All Rights Reserved ENGLISH FRANCAIS ESPAÑOL ...

Page 2: ...late any tubing run inside a room to prevent sweating that can cause dripping and water damage to wall and floors in moist or uneven locatinons Use a raised concrete pad or concrete blocks provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration in an area with high winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a sui...

Page 3: ...al 3 Safety Precautions 4 Installation Process 8 Outdoor Units Information 9 Before installation 10 Select the Best Location 11 Installation Space 12 Installation 16 Refrigerant piping 19 Electrical Wiring 38 Test Run 53 Caution For Refrigerant Leak 63 Installation guide at the seaside 65 ...

Page 4: ...sult Ask the dealer or an authorized technician to install the air conditioner Improper installation by the user may result in water leakage electric shock or fire Always ground the product There is risk of fire or electric shock Always intstall a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock For re installation of the installed product always conta...

Page 5: ...fety limit from being exceeded Should the refrigerant leak and cause the safety limit to be exceeded harzards due to lack of oxygen in the room could result Use a vacuum pump or Inert nitrogen gas when doing leakage test or air purge Do not compress air or Oxygen and do not use Flammable gases Otherwise it may cause fire or explosion There is the risk of death injury fire or explosion Operation Do...

Page 6: ...unit in a hospital communication station or similar place provide sufficient protection against noise The inverter equipment private power generator high frequency medical equipment or radio communication equipment may cause the air conditioner to operate erroneously or fail to operate On the other hand the air conditioner may affect such equipment by creating noise that disturbs medical treatment...

Page 7: ...art they face the risk of suffocation Turn on the power at least 6 hours before starting operation Starting operation immediately after turning on the main power switch can result in severe damage to internal parts Keep the power switch turned on during the operational season Do not touch any of the refrigerant piping during and after operation It can cause a burn or frostbite Do not operate the a...

Page 8: ...etermination of division work The vacuum pump used must have a capacity of reaching at least 5 torr more than 1 hour Vacuum drying Recharge correctly as calculated in this manual and record the amount of added refrigerant Additional charge of refrigerant Make sure there are no gaps left between the facing materials used on the ceiling Fit facing panels Run each indoor unit in turn to make sure the...

Page 9: ... 230V 60Hz Connectable Indoor Unit should be connected with 2 series indoor unit only Ex ARNU073TRC2 System HP Model Refrigerant Product charge kg lbs Max Connectable No of Indoor Units Net Weight kg lbs Dimensions mm WxHxD inch Connecting Pipes Liquid Pipes mm inch Gas Pipes mm inch 4 5 6 ARUN036GS2 ARUN047GS2 ARUN053GS2 3 0 6 61 3 0 6 61 3 0 6 61 6 8 9 106 233 7 106 233 7 106 233 7 950 1 380 330...

Page 10: ... the refrigerant is charged in its gaseous state its composition changes and the system will not work properly Do not place the refrigerant container under the direct rays of the sun to prevent it from exploding For high pressure refrigerant any unapproved pipe must not be used Do not heat pipes more than necessary to prevent them from softening Be careful not to install wrongly to minimize econom...

Page 11: ...it at a place well ventilated and having a lot of sunshine in case of installing the product at a place with a high humidity in winter near beach coast lake etc Ex Rooftop where sunshine always shines Performance of heating will be reduced and preheat time of the indoor unit may be lengthened in case of installing the outdoor unit in winter at following location Shade position with a narrow space ...

Page 12: ... installation 2 Collective installation 100 3 15 16 or more 100 3 15 16 or more 100 3 15 16 or more 100 3 15 16 or more 1000 39 1 4 or more 100 3 15 16 or more 500 19 5 8 or less 500 19 5 8 or less 500 19 5 8 or less 1000 39 1 4 or more 1000 39 1 4 or more 150 3 15 16 or more 150 3 15 16 or more 150 3 15 16 or more 100 3 10 11 or more 100 3 15 16 or more 200 7 7 8 or more 200 7 7 8 or more 1000 39...

Page 13: ...e 1000 39 1 4 or more 500 19 5 8 or more 1000 39 1 4 or more 1000 39 1 4 or more H L L H L H 100 3 15 16 or more 500 19 5 8 or more 500 19 5 8 or less L H 250 9 7 8 or more 1000 39 1 4 or more 100 3 15 16 or more 100 3 15 16 or more Unit mm inch Unit mm inch 500 19 5 8 or less n In case of obstacles on the suction and the discharge side Ú Obstacle height of discharge side is higher than the unit 1...

Page 14: ...4 or more H L 100 3 15 16 or more 500 19 5 8 or less 500 19 5 8 or less H L 1000 39 1 4 or more 1000 39 1 4 or more H L 300 11 7 8 or more 300 11 7 8 or more 300 11 7 8 or more 300 11 7 8 or more 300 11 7 8 or more 1500 59 or more 500 19 5 8 or less 1000 39 1 4 or more 1000 39 1 4 or more 1000 39 1 4 or more H L 1500 59 or more 100 3 15 16 or more 100 3 15 16 or more 100 3 15 16 or more 100 3 15 1...

Page 15: ...w area or severe cold area in winter so that product can be operated well Get ready for seasonal wind or snow in winter even in other areas Install a suction and discharge duct not to let in snow or rain Install the outdoor unit not to come in contact with snow directly If snow piles up and freezes on the air suction hole the system may malfunction If it is installed at snowy area attach the hood ...

Page 16: ...vibration materials Four bolt are required 3 thread ridges H Beam Concrete base 100 3 15 16 A Location of the 2 fixation holes on the front side of the unit B Location of the 2 fixation holes on the rear side of the unit C wires Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust Use the H beam support as a base support Noise and vibration may o...

Page 17: ...e in a bar or die as indicated dimension in the table above 4 Check n Compare the flared work with figure right n If flare is noted to be defective cut off the flared section and do flaring work again Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the following procedure Pipe A Gas Liquid Gas Liquid 5 6 19 100 12 7 1 2 6 35 1 4 1 6 1 8 1 1 1 3 0 63 0 71 0 43 ...

Page 18: ...bination 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 flare inner and outer faces with oil for R410A PVE and hand tighten the nut 3 to 4 turns as the initial tightening FLARE SHAPE and FLARE NUT TIGHTENING TORQUE 90 2 45 2 A R 0 4 0 8 Pipe size mm inch Tightening torque A mm inch flare shape Kgf m lbf...

Page 19: ... Heat insulation material to be prepared EPDM Ethylene Propylene Diene Methylene over 248 F the heat resistance temperature Add the insulation over 10mm thickness at high humidity environment Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping HEAT INSULATION 1 Remove the cap and turn the valve clockwise with the hexagon wrench 2 Securely tighten the valve until the...

Page 20: ...y cause a short circuit in the electrical box Braze suitable field piping with service valve of gas pipe Gas pipe Liquid pipe Wet towel Forward Sideways Backward Base pan Downward Knock out Figure 1 Figure 2 Figure 4 Gas side piping Bigger Dia Liquid side piping Smaller Dia Putty or insulating material produced locally Drain hose Connecting wire Connection pipe CAUTION Take care so that there is n...

Page 21: ...es are closed at shipment from the factory The names of parts of the service valve are shown in the figure since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare nuts always lock the shut off valve with a wrench and then use a torque wrench Do not place wrenches on the valve cover Do not apply force on the valve cover this may result in a refrigera...

Page 22: ...i We recommend the following table as the minimum wall thickness 2 Commercially available piping often contains dust and other materials Always blow it clean with a dry inert gas 3 Use care to prevent dust water or other contaminants from entering the piping during installation 4 Reduce the number of bending portions as much as possible and make bending radius as big as possible 5 Always use the b...

Page 23: ...ngth and the amount of additional refrigerant 10 Never use refrigerant to perform an air purge Always evacuate using a vacuum pump 11 Always insulate the piping properly Insufficient insulation will result in a decline in heating cooling perfor mance drip of condensate and other such problems 12 When connecting the refrigerant piping make sure the service valves of the Outdoor Unit is completely c...

Page 24: ...ginal refrigerant the refrigerant cycle may malfunction and the unit may be damaged After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after branching use an appropriate branch pipe set according to the pipe diameter of the indoor unit and the installation pipe drawing WARNING Do not use anti oxidants when brazing the pipe joints Residue can clog p...

Page 25: ...ndoor unit connecting pipe Outdoor unit capacity type Liquid pipe Gas pipe mm inch mm inch 4 HP Ø9 52 3 8 Ø15 88 5 8 5 HP Ø9 52 3 8 Ø15 88 5 8 6 HP Ø9 52 3 8 Ø19 05 3 4 Indoor unit capacity kW Btu h Liquid pipe Gas pipe mm inch mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 000 Ø9 52 3 8 Ø15 88 5 8 Indoor unit capacity kW Btu h Liquid pipe Gas pipe mm inch mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16...

Page 26: ...ft h15 49 Ú Total pipe length A B C D a b c d e 300m 984ft Assume equivalent pipe length of Y branch to be 0 5m 1 6ft that of header to be 1m 3 3ft calculation purpose Longest pipe length Equivalent pipe length A B C D e 150m 492ft A B C D e 175m 574ft Longest pipe length after 1st branch B C D e 40m 131ft Difference in height Outdoor Unit Indoor Unit H 50m 164ft Difference in height Indoor Unit I...

Page 27: ...ipes connected to the Indoor Units is minimized Performance difference between Indoor Units may occur Longest pipe length Equivalent pipe length A f 150m 492ft A f 175m 574ft Longest pipe length after 1st branch f 40m 131ft Difference in height Outdoor Unit Indoor Unit H 50m 164ft Difference in height Indoor Unit Indoor Unit h 15m 49ft L l H h Ú Total pipe length A a b c d e f 300m 984ft Assume eq...

Page 28: ...A B b 175m 574ft Longest pipe length after 1st branch B b 40m 131ft Difference in height Outdoor Unit Indoor Unit H 50m 164ft Difference in height Indoor Unit Indoor Unit h 15m 49ft L l H h Downward Indoor Unit total capacity kW Btu h 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 54 600 Ø9 52 3 8 Ø15 88 5 8 22 4 76 400 Ø9 52 3 8 Ø19 05 3 4 Liquid pipe mm inch Gas pipe mm inch Assume equivalent pipe length of ...

Page 29: ...ses Manufacturing site See Model Name label Installation site If possible being placed adjacent to the service points for the addition or removal of refrigerant The total Charge n Correction factor of Indoor unit Unit kg lbs Capacity Btu h kW Type 5k 1 6 7k 2 2 9k 2 8 12k 3 6 15k 4 5 18k 5 6 24k 7 1 28k 8 2 30k 8 8 36k 10 6 42k 12 3 48k 14 1 54k 15 8 Ceiling Concealed Duct Low Static 0 17 0 37 0 1...

Page 30: ...or more security device alarm for gas leakage Change Indoor Unit type installation position should be over 2m 6 6ft from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation system Limitation in piping work Prepare for earthquake and thermal stress WARNING Refer to model information since the CF Value of correction fact...

Page 31: ... 1 Line Distribution 2 Vertical Distribution Ensure that the branch pipes are attached vertically 3 The others Header 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd 2nd Main pipe Distribution 1st 3rd 3rd main pipe distribution 2nd Distribution Method ...

Page 32: ...sure that the branch pipes are attached horizontally or vertically see the diagram below When the number of pipes to be connected is smaller than the number of header branches install a cap to the unconnected branches The indoor unit having larger capacity must be installed closer to Ⓐ than smaller one If the diameter of the refrigerant piping selected by the procedures described is different from...

Page 33: ...be insulated with the insulator in each kit Joints between branch and pipe should be sealed with the tape included in each kit Any cap pipe should be insulated using the insulator provided with each kit and then taped as described above B Pinched pipe Horizontal plane View from point B in the direction of the arrow Insulate the header using the insulation material attached to the branch pipe kit a...

Page 34: ...19 05 3 4 O D19 05 3 4 I D22 2 7 8 I D25 4 1 70 80 110 I D12 7 1 2 I D6 35 1 4 I D9 52 I D9 52 I D9 52 I D12 7 1 2 I D6 35 1 4 I D12 7 1 2 332 321 74 376 404 96 471 517 125 416 444 96 371 394 83 I D34 9 1 3 8 O D31 8 1 1 4 I D22 2 7 8 O D22 2 7 8 I D28 58 1 1 8 I D31 8 1 1 4 O D19 05 3 4 I D28 58 1 1 8 120 90 120 130 120 110 70 O D15 88 5 8 I D9 52 3 8 I D12 7 1 2 O D12 7 1 2 I D6 35 1 4 I D9 52 3...

Page 35: ...8 ID19 05 3 4 120 4 23 32 ID6 35 1 4 ID9 52 3 8 ID9 52 3 8 ID12 7 1 2 160 6 5 16 580 22 27 32 ID19 05 3 4 ID15 88 5 8 ID15 88 5 8 ID15 88 5 8 ID12 7 1 2 ID12 7 1 2 ID15 88 5 8 ID12 7 1 2 ID22 2 7 8 ID28 58 1 1 8 ID25 4 1 700 27 9 16 120 4 23 32 ID6 35 1 4 ID9 52 3 8 ID9 52 3 8 ID9 52 3 8 ID6 35 1 4 ID6 35 1 4 ID9 52 3 8 ID6 35 1 4 ID9 52 3 8 ID12 7 1 2 ID15 88 5 8 ID12 7 1 2 120 4 23 32 720 28 11 ...

Page 36: ...nsulation material with a finishing tape Power lines E D D B A C Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat resistant polyethylene so that no gap is observed in the joint between indoor unit and insulating material and insulating materials themselves When insulation work is insufficient there is a possi bility of...

Page 37: ...d Be also sure to pressurize liquid pipe gas pipe and high low pressure common pipe The test result can be judged good if the pressure has not be reduced after leaving for about one day after com pletion of nitrogen gas pressurization During this test set DIP switch as Vacuum Mode Note If the ambient temperature differs between the time when pressure is applied and when the pressure drop is checke...

Page 38: ... evacuate it again with the vacuum pump for 1hr to 100 7 kPa vacuum dry ing 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 in vacuum for 1 hr WARNING If the primary charging is not performed after vacuum wet air may go into the outdoor unit If air is mixed...

Page 39: ...amaged when unit starts to run and the unit will display ch26 error If trying to keep running under this condition compressor will be broken 3 Refrigerant charging Follow following procedure to charge the refrigerant 1 Open all service valves 2 Run the unit with cooling mode 3 Charging the refrigerant to gas service valve during operation Refrigerant cylinder Open Open Charging during cooling oper...

Page 40: ...l the Outdoor Unit communication line away from the power source wiring so that it is not affected by electric noise from the power source Do not run it through the same conduit 3 Be sure to provide designated grounding work to Outdoor Unit 4 Give some allowance to wiring for electrical part box of Indoor and Outdoor Units because the box is some times removed at the time of service work 5 Never c...

Page 41: ...d phase protection circuit locally running the product in reversed phase may break the com pressor and other parts Use the 2 core shield cables for communication lines Never use them together with power cables The conductive shielding layer of cable should be grounded to the metal part of both units Never use multi core cable As this unit is equipped with an inverter to install a phase leading cap...

Page 42: ...e 1 The figures are based on assumed length of parallel cabling up to 100m 328ft For length in excess of 100m the figures will have to be recalculated in direct proportion to the additional length of line involved 2 If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the lines are laid inside conduits then the following poin...

Page 43: ...itch or electrical outlet to disconnect each of indoor unit separately from the power supply WARNING Follow ordinance of your governmental organization for technical standard related to electrical equipment wiring reg ulations and guidance of each electric power company Make sure to use specified wires for connections so that no external force is imparted to terminal connections If con nections ar...

Page 44: ...g 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 u Precautions when laying power and ground wiring u How to connect wiring 1 Connect power supply wire to terminal block of control case using clamps on the supporter and control case as shown figure right 2 Connect communication wire to ...

Page 45: ...e terminal block 5 Fix the connection cable with the cord clamp providing on the unit not to have strain at the terminal 6 Finally Fix the cap to the conduit panel WARNING Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected Gas side piping Bigger Dia Liquid side piping Smaller Dia Putty or insu...

Page 46: ...oor Unit ground Lines 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 the power supply Install the main switch that can interrupt all the power sources in an integrated mann...

Page 47: ...munication Cable BUS type Connection of communication cable must be installed like below figure between indoor unit to outdoor unit STAR type Abnormal operation can be caused by communication defect when connection of communication cable is installed like below figure STAR type ...

Page 48: ... switch prop er input of configuration value can be verified through 7 Segment 2 This function is shown only for 2 seconds after turning on the power n Verification of outdoor unit configuration After power is turned on number are shown on 7 Segment consecutively These numbers show the configuration status Model Code In case of 1Φ 5HP 48kBtu h model Seqence NO Content 1 121 Model code 1 255 2 5 To...

Page 49: ...icated on 7 segment LED of the outdoor unit PCB 4 For completing addressing 2 7 minutes are required depending on numbers of indoor unit connection set 5 Numbers of indoor unit connection set whose addressing is completed are indicated for 30seconds on 7 segment LED of the outdoor unit PCB 6 After completing addressing address of each indoor unit is indicated on the wired remote control display wi...

Page 50: ...wired remote control or indoor unit display window It is not an error message will disappeared when on off button is pressed on remote control ex Display of 01 02 15 means connection of 15 indoor units and auto addressing is completed normally Auto addressing start Waiting 3 minutes Power On Press SW02V for 5 sec 7 segment LED 88 Waiting about 2 7 minutes 7 segment LED OK YES NO Check the connecti...

Page 51: ...arity A A B B Connect communication lines between outdoor unit and indoor units through the terminal block When connecting communication line between outdoor unit and indoor units with shielded wire connect the shield ground to the earth screw When connecting the central control system with shielded wire connect the shield ground to the earth screw Terminal block on the main PCB SODU IDU INTERNET ...

Page 52: ...nit Mode Change Push Button Heating Outdoor Unit GND GND GND Fan Cooling SODU IDU INTERNET DRY1 DRY2 GND 12V GND n Without Cool Heat Selector Installation and Connection In case try to set mode without Cool Heat Selector and try to use other switch except from LG Outdoor Cool Heat Selector in field Connect signal terminal block as below figure and description How to set mode without Cool Heat Sele...

Page 53: ...of test run pressing black button for 2 seconds after all DIP switch off 5 In case of finishing test run during test run press black and red button simultaneously for 5 seconds 6 When test run is finished indoor units are stopped and 938 is displayed after 90 seconds 7 To perform FDD logic test proceeds when 3 minutes passed after reset Step 0 Check order signal Select the function of tust run Ste...

Page 54: ...the black button until 508 is displayed Judging sensor normality Error Display Refrigerant Auto Charging Main pcb LED Note 4 Press the black button on the main PCB for 2 sec Main PCB SW01V Press the black button for 2 sec after turning off all of DIP S W Refrigerant Checking Press the black button until 608 is displayed Refrigerant Checking Don t Perform Sensor Checking No Yes Yes No Completed Not...

Page 55: ...r 3 Air temperature sensor Error display during sensor inspection process is composed of 3 stages as shown below and is proceeded by repeating these stages n Step 1 Display of error existence 309 or 319 309 Inspect sensors of outdoor unit 319 Inspect sensors of indoor unit n Step 2 Display of error location In case of 309 outdoor unit sensors 2 digits on the left among 7 segments Sensor Type Table...

Page 56: ...rigerant 4 Refrigerant Charging Time may change according to the charging amount Refrigerant Charging Time about 3 min kg Wait for 3 min after power reset Start Main PCB SW01S Set the DIP swtich Refrigerant Auto Changing 1 2 7 ON Main PCB SW01B SW02B Press the black button on main PCB Is it necessary to charge refrigerant Press the black button for 2 sec after turning off all of DIP swtich Yes No ...

Page 57: ...ature range Error will occur if temperature is out of range IDU 68 89 6 F ODU 32 109 4 F 2 For refrigerant charging use designated device only Capillary Assem Set 3 Set the IDU wired remote controller temperature sensing mode as IDU 4 Be careful that IDU should not be thermo off n Error contents about auto refrigerant charging function 1 Temperature Range Error In case that IDU or ODU is out of ra...

Page 58: ...Press the black button on main PCB Press until 608 is displayed Main PCB SW01V IDU runs with cooling mode in order Main PCB SW01V Press the black button on main PCB Main PCB SW01V Note 1 IDU ODU are turned off Note 2 Judging Refrigerant Amount Note 1 In case air temperature is out of guaranteed temperature refrigerant checking function may end without performing refrigerant checking Use guaranteed...

Page 59: ...stem will be OFF 2 Excess of Refrigerant 619 After remove the 20 of calculated total refrigerant recharge the refrigerant by using Refrigerant Auto Charging Function 3 Scarcity of Refrigerant 629 Charge the refrigerant by using Refrigerant Auto Charging Function 4 Impossible to Judge 639 IF the system is not in order check the other problem except refrigerant CAUTION 1 Guaranteed Temperature range...

Page 60: ...ay go down Main PCB power reset DIP switch No 12 14 ON ODU SW01S ODU SW01B Setting complete Setting the Fan Max RPM SW01V SW02V Note 1 U3 Chassis 2 Fan Model Note 1 Setting RPM 1 time 1 time 1 time SW02V Red 9 9 9 Operation hr 8 8 8 420 370 320 1 2 3 Judgment hr Fan Max RPM Setting Step SW01V Black 1 time 2 times 3 times SW01S SW02V SW01V SW01B Reset power after changing DIP S W CAUTION 1 Request ...

Page 61: ...f Outdoor Unit Outdoor Unit Inverter Compressor DC link Low Voltage Outdoor Unit High Pressure Switch Outdoor Unit Input Voltage High Low Voltage Outdoor Unit Inverter Compressor Start Failure PSC PFC Fault error Outdoor Unit Inverter DC link High Voltage Outdoor Unit Inverter Compressor Over Current Air temperature sensor of indoor unit is open or short Inlet pipe temperature sensor of indoor uni...

Page 62: ... MICOM and EEPROM or omitting EEPROM Outdoor Unit Inverter Compressor High Discharge Temperature High Pressure of Outdoor Unit Low Pressure of Outdoor Unit Low pressure ratio Outdoor Unit Inverter Compressor CT Sensor Fault Outdoor Unit Inverter Compressor Discharge Temperature Sensor Fault Outdoor Unit Low Pressure Sensor Fault Outdoor Unit High Pressure Sensor Fault Outdoor Unit Air Temperature ...

Page 63: ...cedure of limiting concentration Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken with out hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 lb ft3 Freon gas weight per unit air volume for facilitating calculation Limiting concentration 0 44kg m3 0 028 lb ft3 R410A Outdoor unit...

Page 64: ... linked with mechanical ventilator Pay special attention to the place such as a basement etc where refrigerant can be present since refrigerant is heavier than air Outdoor unit Indoor unit Smallest room R410A Refrigerant concentration lb ft3 Total amount of replenished refrigerant in refrigerant facility kg lbs Capacity of smallest room where indoor unit is installed ft 3 In case the result of cal...

Page 65: ...ine in the seaside installation please contact LG Electronics for the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the op...

Page 66: ...66 Outside Unit Installation Guide at the Seaside ...

Page 67: ... LG Electronics Air conditioning Division 1000 Sylvan Ave Englewood Cliffs NJ 07632 LGECI LG Electronics Canada Inc 550 Matheson Blvd East Mississauga Ontario L4Z 4G3 US Please call the installing contractor of your product as warranty service will be provided by them CANADA Service call Number 888 LG Canada 888 542 2623 Numéro pour les appels de service LG Canada 1 888 542 2623 ...

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