LG Multi V ARNU073B3G2 Installation Manual Download

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Indoor Unit

Installation

5. Accessories for group control setting

It is possible to set group control by using below accessories.

Indoor unit 2 EA +Wired remote controller

Indoor unit 1 EA +Wired remote controller 2EA

PZCWRCG3 cable used for connection

PZCWRC2 cable used for connection

S lave

Mas te r

Master

PZC WRC G3

Master Slave

PZC WRC 2

• Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum

cable usage.

Summary of Contents for Multi V ARNU073B3G2

Page 1: ...ional wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Built in Duct Low Static INSTALLATION MANUAL AIR CONDITIONER MFL42803119 Rev 00_051017 http www lghvac com www lg com Copyright 2008 2018 LG Electronics Inc All Rights Reserved ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...me to provide added support in a room Properly insulate 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 u...

Page 3: ...el No o Spanner Half union o A glass of water o Screw driver o Hexagonal wrench o Gas leak detector o Vacuum pump o Gauge manifold o Owner s manual o Thermometer Safety Precautions 4 Introduction 7 Installation Selection of the best location 8 Ceiling opening dimension and hanging bolt location 9 Indoor Unit Installation 10 Wiring Connection 10 Part name and functions 12 Plumbing materials and sto...

Page 4: ...l indicates the possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair th...

Page 5: ...the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air con...

Page 6: ...noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunc...

Page 7: ...ontroller TEMP Remote Controller TEMP This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual Features Built in Duct type Suction Grille Suction Grille Suction Canvas ...

Page 8: ...ulation in the room will be good There should not be any heat source or steam near the unit Confirm the positional relationship between the unit and suspension bolts Installation the ceiling opening to clean the filter or service under the product Selection of the best location A Min B Min Ceiling Service Space A B Refer to Suction grille and Suction canvas installation manual for detail installat...

Page 9: ...stand its vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT C E G D A J B M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 I F H Drainage hole Drain Pump use CASE 2 POSITION OF CONSOLE BOLT B3 B4 295mm 11 3 5 inch Ceiling opening B4 1 118mm 44 inch B3 840mm 33 1 16 inch Ceiling opening Unit ...

Page 10: ... of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively INDOOR POWER INPUT INDOOR POWER INPUT Wired remote controller IDU IDU Outdoor unit Indoor unit Central controller SODU SODU DRY1 DRY2 GND INTERNET 12V Outdoor unit Terminal Block Indoor Terminal Block Indoor L L1 N L2 YL RD BK A B Wiring Connection Indoor Unit Installation CAUTION Tighten the nut an...

Page 11: ...nd wiring you must use round pressure terminals When none are available follow the instructions below Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause abnormal heat When connecting wiring which is the same thickness do as shown in the figure below For wiring use the designated power wire and connect firmly then secure to prevent outside...

Page 12: ...in duct type with Suction Grille Buit in duct type with Suction Grille and Suction Canvas Suction Grille Suction Grille Suction Canvas Air outlet Air outlet Part name and functions n B3 B4 Series Built in Duct type Control Box service ...

Page 13: ...ssor Do not cold and warm Clogging of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Countermeas ure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe ent...

Page 14: ...lock the outlet side When the internal pressure in pipe is above the atmospheric pressure pinhole is occurred and it is a leakage cause CAUTION 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 refrigerant oil Because it is flammable it is strictly prohibited to use Carbon dioxide De...

Page 15: ... sweating Gas leakage Is the piping connection correctly Wiring Is the wiring connection correctly Lock bolt Is the lock bolt of compressor loosened Insulation Is the unit fully insulated Ground Is the unit safely grounded THERMAL INSULATION TEST AND CHECK Make sure that there is no clearance here Overlap with thermal insulator for piping Thermal insulator for refrigerant pipe Local supply Thermal...

Page 16: ...chloride pipe 25mm 1 inch and pipe fittings The air conditioner uses a drain pump to drain water Use the following procedure to test the drain pump operation Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise when e...

Page 17: ... 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Never fail to equip a leakage breaker where it is wet or moist 9 The following troubles would be caused by voltage drop down ...

Page 18: ...re it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller is equipped with a seven segment LED display For proper display of the remote controller LED s the remote controller should be installed pr...

Page 19: ... linkage Vane selection Console Region selection Etc N A Default N A Default Selection of Master or Slave Selection of Dry Contact Mode Fan continuous operation N A Selection of Ventilator link age Selection of up down side Vane Selection tropical region Spare Master Wired Wireless remote controller Selection of Manual or Auto operation Mode Continuous operation Removall Linkage Removal Up side Do...

Page 20: ...e 4 It is possible to connect with Dry Contact and Central controller at the same time The Master indoor unit is possible to recognize Dry Contact and Central Controller only In case of Central controller and Group controller at the same time it is possible to connect stan dard 2series indoor units or later since Feb 2009 In case of Central controller setting the Central controller can control ind...

Page 21: ... indoor units be set possible using a PCB Dip Switch h It is possible to connect indoor units since Feb 2009 In the other cases please contact LGE h It can be the cause of malfuctions when there is no setting of master and slave h It is possible to control N indoor units by wired remote controller M units M N 17 Units Set only one indoor unit to Master set the others to Slave Set only one wired re...

Page 22: ...h Intake Unit separate Fresh Air Intake Unit with standard units Because setting temperature are different h Other than those it is same with Group Control 1 GND Signal 12V LGAP Network System Display Error Message FAU Master FAU Slave Master Master Master Slave FAU Standard Standard FAU FAU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit ...

Page 23: ...two remote controller 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case of any error occurs at indoor unit display on the wired remote controller 6 There isnʼt limits of indoor unit function h Maximum 2wired remote controllers can be connected with 1 indoor unit LGAP Network System Disp...

Page 24: ...ssories Indoor unit 2 EA Wired remote controller Indoor unit 1 EA Wired remote controller 2EA h PZCWRCG3 cable used for connection h PZCWRC2 cable used for connection Slave Master Master PZCWRC G3 Master Slave PZCWRC 2 Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum cable usage ...

Page 25: ...55 85 9 51 335 8 14 287 5 91 208 2 75 97 0 95 33 90 10 21 360 8 76 309 6 79 239 3 41 120 1 36 48 95 10 83 382 9 62 339 8 11 286 5 48 193 2 61 92 100 11 31 399 10 55 372 9 02 318 6 12 216 3 31 116 105 11 84 418 11 19 395 9 99 352 8 28 292 5 32 187 110 12 68 447 11 88 419 10 38 366 9 16 323 6 92 244 115 13 19 465 12 22 431 11 55 407 10 21 360 8 23 290 Static Pressure mmAq in Aq Setting Value 0 0 1 3...

Page 26: ...0 353 8 283 2 7 87 0 0 2 7 87 0 0 2 7 87 0 0 2 7 87 0 0 4 0 15 4 0 15 4 0 15 4 0 15 4 0 15 4 0 15 4 0 15 4 0 15 Standard Standard Standard Standard 9k 12k 15k Standard ESP mmAq in Aq cmm cfm Lower Limit of External Static Pressure mmAq in Aq Upper Limit of External Static Pressure mmAq in Aq ARNU183B4G2 PBSGB40 Accessory PBSC40 Accessory ARNU243B4G2 PBSGB40 Accessory PBSC40 Accessory Capacity Mode...

Page 27: ...ase 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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