LG ARUN096BT2 Installation Manual

LG ARUN096BT2 Manual

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  • LG ARUN096BT2 | Installation Manual - Page 1
    ENGLISH FRANÇAIS ESPAÑOL website http://www.lgservice.com LG System Outdoor Unit R410A INSTALLATION MANUAL MODELS: ARUN Series IMPORTANT • Please read this installation manual completely before installing the product. • Installation work must be performed in accordance with the national wiring
  • LG ARUN096BT2 | Installation Manual - Page 2
    instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death. CAUTION: Improper installation, adjustment, alteration, service to construct a strong wood or metal frame to provide added support. ... in a room: Properly insulate any tubing run inside
  • LG ARUN096BT2 | Installation Manual - Page 3
    -friendly Alternative Refrigerant R410A 12 Select the Best Location 12 Installation Space 13 Lifting method ...17 Installation ...18 Refrigerant piping installation 20 Electrical Wiring 47 Test Run...69 Caution For Refrigerant Leak 87 Installation guide at the seaside 89 Installation Manual 3
  • LG ARUN096BT2 | Installation Manual - Page 4
    symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. s Installation Have all electric wiring or installation may cause fire or electric shock. For re-installation of the installed product, always contact a dealer or an Authorized Service Center.
  • LG ARUN096BT2 | Installation Manual - Page 5
    appliance. refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for your neighbors. Installation Manual
  • LG ARUN096BT2 | Installation Manual - Page 6
    It is a consumer air conditioner, not a precision refrigeration system. • There is risk of damage or loss • It may cause failure of appliance or accident. Make the connections securely Install and insulate the drain hose to ensure that water is drained away properly based on the installation manual
  • LG ARUN096BT2 | Installation Manual - Page 7
    the specified positions on the unit base. Also support the outdoor unit at four points so that season. Do not touch any of the refrigerant piping during and after operation. • It can may result in water leakage or other problems. Auto-addressing should be done in condition Installation Manual 7
  • LG ARUN096BT2 | Installation Manual - Page 8
    Sleeve and insert work Installation of indoor unit Refrigerant piping work Drain pipe Installation of outdoor unit Avoid short circuits and ensure sufficient space is allowed for service correctly as calculated in this manual. and record the amount of added refrigerant Fit facing panels Make sure
  • LG ARUN096BT2 | Installation Manual - Page 9
    Model Combination unit ARUN173DT2 ARUN192DT2 ARUN211DT2 ARUN230DT2 Independent unit ARUN096DT2 ARUN076DT2 ARUN115DT2 ARUN076DT2 ARUN134DT2 ARUN076DT2 ARUN154DT2 ARUN076DT2 Product Charge kg (3/4) Gas Pipes[mm(inch)] 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8) 34.9(1 3/8) Installation Manual 9
  • LG ARUN096BT2 | Installation Manual - Page 10
    Independent unit ARUN154DT2 ARUN154DT2 ARUN154DT2 ARUN154DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN154DT2 Product Charge 12 16 Ton 6.5 8.0 9.5 11.0 Model Combination unit ARUN076BT2 ARUN096BT2 ARUN115BT2 ARUN154BT2 Independent unit ARUN076BT2 ARUN076BT2 Product Charge kg(lbs) 8(17
  • LG ARUN096BT2 | Installation Manual - Page 11
    ARUN096BT2 ARUN115BT2 8+8+8(17.6+17.6+17.6) 8+8+8(17.6+17.6+17.6) 2(4.4) 3(6.6) 55 58 285+285+285 285+285+285 628+628+628 628+628+628 (1280x1607x730)x2 (1280x1607x730)x2 (50.4x63.3x28.7)x2 (50.4x63.3x28.7)x2 19.05(3/4) 19.05(3/4) 34.9(1 3/8) 41.3(1 5/8) Installation Manual
  • LG ARUN096BT2 | Installation Manual - Page 12
    R410A is a mixed refrigerant, the required additional refrigerant must be charged in its liquid state. If the refrigerant is charged in its heating • With space for air passage and service work shown next • Because of the possibility of fire, do not install unit to the space where generation, inflow,
  • LG ARUN096BT2 | Installation Manual - Page 13
    ENGLISH Installation Space Installation Space Individual Installation s Basic space required A space of at least 250mm(9-13/16 inch) is necessary at the back for inlet air. Taking servicing, B Front Side < Top view > Rear Side B Rear Side A B Front Side A B Front Side Installation Manual 13
  • LG ARUN096BT2 | Installation Manual - Page 14
    Installation Space s When unit is surrounded by walls A 915mm(36 inches) inch) or more B B C 250mm(9-13/16 inch) or more C C < Front view > A B C C D Air guide E Air outlet guide (Procured at the site) F 250mm(9-13/16 inch) or more < Front view > D E F 14 Outdoor Unit < Side view
  • LG ARUN096BT2 | Installation Manual - Page 15
    ENGLISH Collective / Continuous installation Installation Space Space required for collective installation and continuous installation:When installing several units, leave space between each block as shown below D Rear Side Front Side Front Side Front Side Front Side Installation Manual 15
  • LG ARUN096BT2 | Installation Manual - Page 16
    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
  • LG ARUN096BT2 | Installation Manual - Page 17
    suffocate children to death. • When carrying in Outdoor Unit, be sure to support it at four points. Carrying in and lifting with 3-point support may make Outdoor Unit unstable, resulting in a fall. • Be very careful while carrying ARUN076DT2. It will be tilted in right side. Installation Manual 17
  • LG ARUN096BT2 | Installation Manual - Page 18
    UW1 UW1 700±2(27-9/16±1/16) 900±2 383 900±2 383 900±2 (35-7/16±1/16) (15-1/16) (35-7/16±1/16) (15-1/16) (35-7/16±1/16) s Collective installation 700±2(27-9/16±1/16) UW1 UW1 UW1 UW1 UW1 UW1 150 10(3/8) 10(3/8) 900±2 383 900±2 383 900±2 533 (35-7/16±1/16) (15-1/16) (35
  • LG ARUN096BT2 | Installation Manual - Page 19
    support as a base support • Noise and vibration may occur from the floor or wall since vibration is transferred through the installation part depending on installation , the support for installation may be support G Concrete base support WARNING • Be sure to install making a base support. • Don't
  • LG ARUN096BT2 | Installation Manual - Page 20
    room. Always conduct an inspection for gas leakage after installation of the refrigerant piping has been completed. Cautions in pipe connection/valve line. CLOSE OPEN WARNING After completing work, securely tighten both service ports and caps so that gas does not leak. Pipe joint (auxiliary
  • LG ARUN096BT2 | Installation Manual - Page 21
    with manual in Service port cap Cut the pipe with a cutter to suit the length. (Don't cut less than 70mm) ODU. If you do not replace the factory supplied Outdoor unit Liquid rubber cap, there might be refrigerant joint pipe (used for more than 2 valve 70mm leakage. units installation) Cap
  • LG ARUN096BT2 | Installation Manual - Page 22
    Refrigerant piping installation Connection of Outdoor units 2 outdoor units Model Connection of gas pipe Don't cut the pipe less than 70mm(2-3/4inch) Ø 28.58(1-1/8) Blow nitrogen while brazing Ø
  • LG ARUN096BT2 | Installation Manual - Page 23
    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 closed (the factory setting unit and flux can harm the copper piping or refrigerant oil. Installation Manual 23
  • LG ARUN096BT2 | Installation Manual - Page 24
    Refrigerant piping installation 12. Always insulate the piping properly. Insufficient insulation will result in a decline in heating/cooling performance, drip of condensate and other such problems. 13. When connecting the refrigerant piping, make sure the service valves of the Outdoor Unit is
  • LG ARUN096BT2 | Installation Manual - Page 25
    5 Indoor Units connected : Outdoor Unit : 1st branch (Y branch) : Indoor Units Refrigerant piping installation L150m(492ft) (200m(656ft) : Conditional application) l 40m(131ft) (90m(295ft) ) l 40m(131ft) (90m(295ft) : Conditional application) 100m(328ft) 15m(49ft) Installation Manual 25
  • LG ARUN096BT2 | Installation Manual - Page 26
    Ø 28.58(1-1/8 inch) ¡ Ø 31.8*(1-1/4* inch), Ø 34.9(1-3/8 inch) ¡ Ø 38.1*(1-1/2* inch) * : It is not necessary to size up. 2) While calculating whole refrigerant pipe length, pipe B,C,D length should be calculated twice. A+Bx2+Cx2+Dx2+a+b+c+d+e ≤ 1,000 m(3,281 ft) 3) Length of pipe from each indoor
  • LG ARUN096BT2 | Installation Manual - Page 27
    ENGLISH ➲ Refrigerant pipe diameter from branch to branch (B,C,D) Downward Indoor Unit total capacity [kW(Btu/h)]
  • LG ARUN096BT2 | Installation Manual - Page 28
    Refrigerant piping installation x Header Method 1 Outdoor Unit Example : 6 Indoor Units connected : Outdoor Unit : 1st branch : Indoor Units : Sealed piping H 100m(328ft) L 150m(492ft) 40m(131ft) 15m(49ft) 2 Outdoor
  • LG ARUN096BT2 | Installation Manual - Page 29
    ARCNN20 Slave2 Slave1 Master 10m (32.8ft) or less Refrigerant piping installation L 150m(492ft) 40m(131ft) H 100m(328ft) that of header to be 1m(3.3ft), calculation purpose • Indoor Unit should be installed at lower position than the header. • Piping length from outdoor branch to outdoor
  • LG ARUN096BT2 | Installation Manual - Page 30
    Refrigerant piping installation x Combination of Y branch/header method Example : 5 Indoor Units connected : Outdoor Unit : 1st branch (Y branch) : Y branch : Indoor Unit : Header : Sealed piping L 150m(492ft) 40m(131ft) H 100m(
  • LG ARUN096BT2 | Installation Manual - Page 31
    ENGLISH Refrigerant piping installation ➲ Refrigerant pipe diameter from branch to branch (B,C) Downward Indoor Unit total capacity [kW(Btu/h)]
  • LG ARUN096BT2 | Installation Manual - Page 32
    Refrigerant piping installation x Outdoor unit Connection ➲ Refrigerant pipe diameter before 1st branch (A,E,F) Upward Outdoor Unit total capacity [HP] 8 10 12~16 18~22 24 26~34 36~48 Liquid pipe [mm(inch)] Ø9.
  • LG ARUN096BT2 | Installation Manual - Page 33
    ENGLISH Refrigerant piping installation WARNING When the equivalent length between the outdoor unit and a indoor unit is 90 m(295 ft) or more 600) < 22.4(76,400) Liquid pipe [mm(inch)] Ø6.35(1/4) Ø9.52(3/8) Ø9.52(3/8) Gas pipe [mm(inch)] Ø12.7(1/2) Ø15.88(5/8) Ø19.05(3/4) Installation Manual 33
  • LG ARUN096BT2 | Installation Manual - Page 34
    Refrigerant piping installation Connection between outdoor and outdoor unit s Example of Pipe branch. Less than 10m(32.8ft) CAUTION Apply oil trap between outdoor unit installed Higher level and outdoor unit installed lower level. Oil may be accumulated in stopped outdoor unit. 2. In case pipe
  • LG ARUN096BT2 | Installation Manual - Page 35
    ENGLISH Refrigerant piping installation 3. In case pipe length between outdoors is 2m or more. When the piping length between Branch of Outdoor units or Oil is accumulating in outdoor units when system stops Oil is accumulating in lower level outdoor units when system stops Installation Manual 35
  • LG ARUN096BT2 | Installation Manual - Page 36
    the max. connectable indoor units. Total amount(kg(lb)) = A + B + C s Additional refrigerant charging amount (kg) : = (A x + B x ß) - (AVG x ß) • A • AVG = 50% of Max. No. of connectable Indoor units. Example) 1) Installation Information - Outdoor unit : 6HP - Total indoor units : 6 units (TQ 3
  • LG ARUN096BT2 | Installation Manual - Page 37
    piping length 3. Reduction of the amount of refrigerant 4. Installation of 2 or more security device (alarm for gas leakage) - Change Indoor Unit type : installation position should be over 2m(6.6ft) from the since the CF Value of correction factor differs depending on model. Installation Manual 37
  • LG ARUN096BT2 | Installation Manual - Page 38
    Refrigerant piping installation Distribution Method 1. Line Distribution Slave Master 1st 2nd Slave Master 1st 2nd 3rd 1st Main pipe Distribution 2nd Main pipe Distribution 2. Vertical Distribution Ensure that
  • LG ARUN096BT2 | Installation Manual - Page 39
    • 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 smaller than the number of header branches, install a cap to the unconnected branches. Installation Manual 39
  • LG ARUN096BT2 | Installation Manual - Page 40
    Refrigerant piping installation • When the number of indoor units to be connected to the branch pipes is less than the number of branch pipes available for connection then
  • LG ARUN096BT2 | Installation Manual - Page 41
    ENGLISH x Y branch pipe Refrigerant piping installation Models I.D12.7(1/2) Gas pipe I.D12.7(1/2) I.D15.88(5/8) [Unit:mm(inch)] Liquid pipe I.D9.52 88(5/8) O.D19.05(3/4) I.D19.05(3/4) O.D15.88(5/8) I.D9.52(3/8) O.D12.7(1/2) I.D6.35(1/4) I.D12.7(1/2) I.D9.52(3/8) Installation Manual 41
  • LG ARUN096BT2 | Installation Manual - Page 42
    Refrigerant piping installation x Header Models 4 branch ARBL054 7 branch ARBL057 4 branch ARBL104 I.D Ø12.7(1/2) I.D Ø15.88(5/8) Gas pipe I.D Ø12.7(1/2) I.D Ø15.88(5/8) I.D Ø19.05(3/4) O.D Ø19.05(3/4) I.D Ø12.7(1/2) I.D Ø15.88(5/8) I.D Ø12.7(1/2) I.D Ø15.
  • LG ARUN096BT2 | Installation Manual - Page 43
    Refrigerant piping installation method, refer to the following figure. (Make a test with the service valves closed. Be also sure to pressurize liquid pipe, gas pipe and pipe occurred. Caution: To prevent the nitrogen from entering the refrigeration system in the liquid state, the top of the cylinder
  • LG ARUN096BT2 | Installation Manual - Page 44
    an appropriate amount of refrigerant. (For the refrigerant additional charge) Too much or too little refrigerant will cause trouble. To use the Vacuum Mode (If the Vacuum mode is set, all valves of Indoor units and Outdoor units will be opened.) WARNING When installing and moving the air conditioner
  • LG ARUN096BT2 | Installation Manual - Page 45
    ENGLISH Refrigerant piping installation Vacuum Mode This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement OPEN Main EEV, SC EEV OPEN IDU EEV OPEN Caution ODU operation stops during vacuum mode. Compressor can't operate. Installation Manual 45
  • LG ARUN096BT2 | Installation Manual - Page 46
    Refrigerant piping installation Thermal insulation of refrigerant piping 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
  • LG ARUN096BT2 | Installation Manual - Page 47
    work using special circuits in accordance with regulations and this installation manual. If power supply circuit has a lack of capacity or Outdoor Units, because the box is some- times removed at the time of service work. 5. Never connect the main power source to terminal block of communication
  • LG ARUN096BT2 | Installation Manual - Page 48
    a phase leading capacitor not only will deteriorate power factor improvement effect, but also may cause capacitor abnormal heating. Therefore, never install a phase leading capacitor. • Keep power imbalance within 2% of the supply rating. Large imbalance will shorten the life of the smoothing
  • LG ARUN096BT2 | Installation Manual - Page 49
    PCB models : Inverter ARUN115DT2 FAN PCB ARUN134DT2 ARUN154DT2 Noise Filter Main PCB Magnet switch Take care of the phase sequence of 3-phase 3-wire power system Installation Manual 49
  • LG ARUN096BT2 | Installation Manual - Page 50
    Electrical Wiring Communication and Power Lines 1) Communication cable • Types : shielding wire •Use wires of size : over 1.25mm2 • Maximum allowable temperature: 60°C • Maximum allowable line length: under 1,000m(3,281ft) 2) Remote control cable • Types : 3-core cable 3) Simple central control
  • LG ARUN096BT2 | Installation Manual - Page 51
    should adhere to the wiring regulations of the region. 5. Power supply cords of parts of appliances for outdoor use should not be lighter than polychloroprene sheathed flexible cord. 6. Don't install an individual switch or electrical outlet to disconnect each of indoor unit separately from the
  • LG ARUN096BT2 | Installation Manual - Page 52
    remote control Single Phase of power supply line(L(1),L(2)) Communication line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) WARNING • Indoor Unit ground Lines are required for preventing electrical shock accident during current leakage, Communication disorder by
  • LG ARUN096BT2 | Installation Manual - Page 53
    Outdoor Unit Communication line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) s When the power source is supplied to Each outdoor unit individually. 3 Phase The GND terminal is a '-' terminal for the central controller, not Ground Line Installation Manual 53
  • LG ARUN096BT2 | Installation Manual - Page 54
    line (2 shield line): Between Outdoor Unit and Outdoor Unit Communication line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) s When the power source is supplied to Each outdoor unit individually. 3 Phage 3 Wires Power supply 60Hz 460V (Main Switch) Power
  • LG ARUN096BT2 | Installation Manual - Page 55
    Communication line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) WARNING • Indoor Unit ground Lines are required for preventing electrical shock 4(B) 3(A) 4(B) The GND terminal is a '-' terminal for the central controller, not Ground Line Installation Manual 55
  • LG ARUN096BT2 | Installation Manual - Page 56
    line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) s When the power source is supplied to Each outdoor unit individually fuse : ELCB) Power supply switch (Switch fuse) Pull Box(Installer Option) WARNING • Indoor Unit ground Lines are required for preventing
  • LG ARUN096BT2 | Installation Manual - Page 57
    Unit and Outdoor Unit Communication line (2 shield line): Between Indoor Unit and Outdoor Unit Pull Box(Installer Option) s When the power source is supplied to Each outdoor unit individually. 3 Phase 3 Wires SODU IDU INTERNET DRY1 DRY2 GND 12V Slave2 BA BA Outdoor unit Installation Manual 57
  • LG ARUN096BT2 | Installation Manual - Page 58
    Electrical Wiring x Example Connection of Communication 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
  • LG ARUN096BT2 | Installation Manual - Page 59
    indoor unit to outdoor unit ( size of wire and wiring method,etc) • Every wire must be connected firmly • No wires should be allowed to touch refrigerant tubing, the compressor or any moving parts. Installation Manual 59
  • LG ARUN096BT2 | Installation Manual - Page 60
    ARUN076DT2 14 1/2 7/8 ARUN173DT2 12 1/2 7/8 ARUN330DT2 6 1 1-23/64 ARUN076BT2 10 1/2 7/8 ARUN250BT2 2 1-1/4 1-23/32 ARUN096DT2 14 1/2 7/8 ARUN192DT2 12 1/2 7/8 ARUN350DT2 6 1 1-23/64 ARUN096BT2 10 1/2 7/8 ARUN270BT2 2 1-1/4 1-23/32 ARUN115DT2 14 1/2 7/8 ARUN211DT2 12 1/2 7/8 ARUN370DT2 6 1 1-23/64
  • LG ARUN096BT2 | Installation Manual - Page 61
    ENGLISH Location of setting Switch Main PCB SW01B SW02B (DIP S/W) (DIP S/W) Electrical Wiring 7 - Segment SW02V Auto addressing Installation Manual 61
  • LG ARUN096BT2 | Installation Manual - Page 62
    Electrical Wiring DIP switch setting s Checking according to dip switch setting 1. You can check the setting values of the main outdoor unit from the 7 segment LED. The dip switch setting should be changed when the power is OFF. 2. It checks whether the input is properly performed without the bad
  • LG ARUN096BT2 | Installation Manual - Page 63
    ON 1234 5 67 1234 5 67 ON 1234 5 67 8 9 10 11 12 13 14 ON 1234 5 67 1234 5 67 1234 5 67 8 9 10 11 12 13 14 Installation Manual 63
  • LG ARUN096BT2 | Installation Manual - Page 64
    Electrical Wiring Function SW01B Setting ON SW02B Setting ON Dry Contact 1234 5 67 1234 5 67 ON 1234 5 67 8 9 10 11 12 13 14 ON Snow Forced Defrosting Snow + Forced Defrosting Outdoor Unit Fan Low Static Pressure Compensation Outdoor Unit Fan High Static Pressure Compensation Night Low Noise
  • LG ARUN096BT2 | Installation Manual - Page 65
    1234 5 67 ON 1234 5 67 8 9 10 11 12 13 14 ON Pump Out 1234 5 67 1234 5 67 1234 5 67 8 9 10 11 12 13 14 Remarks Installation Manual 65
  • LG ARUN096BT2 | Installation Manual - Page 66
    Electrical Wiring Automatic Addressing • The address of indoor units would be set by auto addressing 1) Wait for 3 minutes after applying power supply (main and sub outdoor unit, indoor unit). 2) Press the switch of the outdoor unit (SW02V) for 5 seconds. 3) A "88" is indicated on 7-segment LED of
  • LG ARUN096BT2 | Installation Manual - Page 67
    ~9F) No. A group (A0~AF) No. B group (B0~BF) No. C group (C0~CF) No. D group (D0~DF) No. E group (E0~EF) No. F group (F0~FF) Installation Manual 67
  • LG ARUN096BT2 | Installation Manual - Page 68
    Electrical Wiring Outdoor unit Dry Contact installation and connection • Connect wires as below figure at the hole of backside of Outdoor Unit Dry Contact. • Insert the wire in the connection hole pushing
  • LG ARUN096BT2 | Installation Manual - Page 69
    ground may decrease to approx. 2 MΩ as a result of refrigerant accumulating in the internal compressor. If the insulation resistance is less NOTE: Be sure to tighten caps. 4 Check if there are any problems in automatic addressing or not: Check and confirm that there are no error Installation Manual 69
  • LG ARUN096BT2 | Installation Manual - Page 70
    heat exchanger part Service necessary Low pressure error EEV clogged or discharge temperature error Service necessary When system fault occurs, the error code is displayed at indoor unit display or remote control display, the trouble shooting guide is in the service manual 70 Outdoor Unit
  • LG ARUN096BT2 | Installation Manual - Page 71
    PCB Press the black button on the main PCB for 2 sec. SW01V Press the black button for 2 sec. after turning off all of dip S/W. Completed. Refrigerant Auto Charging Refrigerant Checking Installation Manual 71
  • LG ARUN096BT2 | Installation Manual - Page 72
    Test Run Sensor Check Error Code Display In case error occurs during sensor checking process, error display is as shown below. Following contents are displayed one after the other on the main PCB of master outdoor unit. Indoor sensor error : 319 Outdoor sensor error : 309 Displaying error content
  • LG ARUN096BT2 | Installation Manual - Page 73
    No Yes *1) Press the black button Refrigerant Auto Charging Process IDU and ODU are turned off when Auto Charging is completed. Close the valve. *2) Main PCB SW01V Press the black button Press the black button for 2 sec. after turning off all of dip S/W. Completed. Installation Manual 73
  • LG ARUN096BT2 | Installation Manual - Page 74
    Test Run manifold Liquid Pipe Gas Pipe Capillary Assembly Procedure 1. Arrange manifold,capillary assembly, refrigerant vessel and scale 2. Connect manifold to the gas pipe service valve of ODU as shown in the figure. 3. Connect manifold and Capillary tube. Use designated capillary assembly
  • LG ARUN096BT2 | Installation Manual - Page 75
    checking. Judging Refrigerant Amount Excess of Refrigerant Scarcity of Refrigerant IDU, ODU are turned off Impossible To Judge Note Main PCB Press the black button on main PCB SW01V Press the black button for 2 sec. after turning off all of dip S/W. Completed Note 1) Installation Manual 75
  • LG ARUN096BT2 | Installation Manual - Page 76
    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. 76
  • LG ARUN096BT2 | Installation Manual - Page 77
    with setting RPM Night Low Noise End 9 hours after Night Low Noise function start, the function ends automatically. Caution 1. Request installer to set the function during installation. 2. In case the function is not used, set the dip S/W OFF and reset the power. 3. If ODU RPM changes, cooling
  • LG ARUN096BT2 | Installation Manual - Page 78
    Test Run Vacuum Mode This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement or IDU addition/replacement. Main PCB SW01S Main PCB SW02B Main PCB SW01V Vacuum mode setting method ODU power reset Master main PCB DIP switch ON ( No.11,14) Press the
  • LG ARUN096BT2 | Installation Manual - Page 79
    segment LED of outdoor unit control board as shown in the table. • If more than two troubles occur simultaneously, lower number of error code is first displayed. • After error occurrence, if error Unit Inverter Board Input Current excess (RMS) Outdoor unit related error Installation Manual 79
  • LG ARUN096BT2 | Installation Manual - Page 80
    Test Run Outdoor unit related error Display Title 1 Master Outdoor Unit Inverter Compressor DC link Low Voltage Cause of Error DC charging is not performed at Master Outdoor Unit after starting relay turn on. 2 3 2 Slave1 Outdoor Unit Inverter Compressor DC link Low Voltage DC charging is
  • LG ARUN096BT2 | Installation Manual - Page 81
    Slave1 Outdoor Unit High Pressure Sensor open or short 3 Slave2 Outdoor Unit High Pressure Sensor Fault Slave2 Outdoor Unit High Pressure Sensor open or short Installation Manual 81
  • LG ARUN096BT2 | Installation Manual - Page 82
    Test Run Outdoor unit related error Display Title Cause of Error 1 Master Outdoor Unit Air Temperature Sensor Fault Master Outdoor Unit Air Temperature Sensor open or short 4 4 2 Slave1 Outdoor Unit Air Temperature Sensor Fault Slave1 Outdoor Unit Air Temperature Sensor open or short 3
  • LG ARUN096BT2 | Installation Manual - Page 83
    connection of R, S, T power of Slave2 Outdoor Unit 5 9 Mixing Installation of Sub Outdoor 1 Unit Mixing Installation of Old Sub Outdoor Unit and New Slave Outdoor Unit 1 Inverter PCB Unit 3 Phase 3 Power unbalance Slave2 Outdoor Unit R-T Phase Difference is over 5A Installation Manual 83
  • LG ARUN096BT2 | Installation Manual - Page 84
    Test Run Outdoor unit related error Display Title Master Outdoor Unit Fan CT 1 Sensor Error Slave1 Outdoor Unit Fan CT 7 5 2 Sensor Error Slave2 Outdoor Unit Fan CT 3 Sensor Error 1 Master Outdoor Unit Fan DC Link High Voltage Error 7 6 2 Slave1 Outdoor Unit Fan DC Link High Voltage
  • LG ARUN096BT2 | Installation Manual - Page 85
    mode conversion at Slave1 Outdoor Unit Pressure unbalance between Outdoor Units 3 Failure of operation mode conversion at Slave2 Outdoor Unit Pressure unbalance between Outdoor Units Installation Manual 85
  • LG ARUN096BT2 | Installation Manual - Page 86
    Test Run Outdoor unit related error Display Title Master Outdoor Unit Constant 1 Speed Compressor Fault Slave1 Outdoor Unit Constant 1 7 3 2 Speed Compressor Fault Slave2 Outdoor Unit Constant 3 Speed Compressor Fault Excessive increase of Master 1 Outdoor Unit Fan PCB Heat Sink Temperature
  • LG ARUN096BT2 | Installation Manual - Page 87
    For Refrigerant Leak Caution For Refrigerant Leak The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. Introduction Though the R410A refrigerant is
  • LG ARUN096BT2 | Installation Manual - Page 88
    to adjoining room Outdoor unit Smallest room Indoor unit s Calculate refrigerant concentration Total amount of replenished refrigerant in refrigerant facility (lb) Capacity of smallest room where indoor unit is installed (ft3) = Refrigerant concentration (lb/ft 3) (R410A) In case the result of
  • LG ARUN096BT2 | Installation Manual - Page 89
    If outdoor unit is installed close to the seaside, installed close to the seaside, direct exposure to the sea wind should be avoided. Install the wind 2) In case, to install the outdoor unit on the can't meet above guide line in the seaside installation, please contact LG Electronics for the
  • LG ARUN096BT2 | Installation Manual - Page 90
    90 Outdoor Unit
  • LG ARUN096BT2 | Installation Manual - Page 91
    P/No.: MFL46912303 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.
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System
Outdoor Unit
INSTALLATION MANUAL
LG
MODELS: ARUN Series
IMPORTANT
• 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.
R410A
ENGLISH
FRANÇAIS
ESPAÑOL