LG ARNU18GVJA1 Installation Manual Download Page 2

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Indoor Unit

Ceiling Suspended Convertable Type Indoor Unit Installation Manual

TABLE OF CONTENTS

❏

Installation guide map

❏

Four type "A" screws & plastic
anchors

❏

Connecting cable

❏

Pipes: Gas side

Liquid side
(Refer to Product Data)

❏

Insulation materials

❏

Additional drain pipe

❏

Level gauge

❏

Screw driver

❏

Electric drill

❏

Hole core drill

❏

Horizontal meter

❏

Flaring tool set

❏

Specified torque wrenches
(different depending on model No.)

❏

Spanner .......Half union

❏

Hexagonal wrench

❏

Gas-leak detector

❏

Vacuum pump

❏

Gauge manifold

❏

Owner's manual

❏

Thermometer

Introduction .............................3

Safety Precautions .................4

Installation

Selection of the best location 7

Preparing Work for Installation

................................................7

Indoor unit Installation............9

Preparation of Piping...........10

Checking the Drainage........12

Wiring Connection ...............12

Side Cover Assembly ..........14

Installation of Remote
Control..................................15

Optional Operation ..............16

Installation Requirements

Required Parts

Required Tools

Summary of Contents for ARNU18GVJA1

Page 1: ...ead 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 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ...

Page 2: ...eter Flaring tool set Specified torque wrenches different depending on model No Spanner Half union Hexagonal wrench Gas leak detector Vacuum pump Gauge manifold Owner s manual Thermometer Introduction 3 Safety Precautions 4 Installation Selection of the best location7 Preparing Work for Installation 7 Indoor unit Installation 9 Preparation of Piping 10 Checking the Drainage 12 Wiring Connection 12...

Page 3: ...u to the risk of electric shock This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols used in this Manual Features Signal Receptor Drain hose Air Filter Air Discharge Right Side Cover Inlet Grill Left Side Cover ...

Page 4: ...he 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 under rated 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 electri cian or an Authorized Service Center Do not disassemble or repair the product T...

Page 5: ...l of 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 ai...

Page 6: ...t To avoid vibration or water leakage Do not install the product where the noise or hot air from the out door 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 p...

Page 7: ...ve two screws from side cover as shown in fig 2 Unlock side cover from side panel by slightly pulling the edge of side cover 3 Tap the side cover with your palm on the back side Inlet grill side 4 Hold the side cover with other hand while tap ping to prevent it to fall down 5 The Drain hole is on the left side of the unit and side cover opening is common for drain pipe connecting pipe and wiring d...

Page 8: ... of left right back forth by adjusting suspension bolts Adjust a level on the direction of top bottom by adjusting supension bolts Then the unit will be declined to the bottomside so as to drain well Flat washer for M10 accessory Flat washer for M10 accessory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 5 7mm 3 16 5 16 Indoor WALL Outdoor Suspension bolt B A Washer Nu...

Page 9: ...g Ceiling Ceiling 10 20mm 5 10mm 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 10mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside Front of view The unit must be horizontal or incline...

Page 10: ...following procedure Pipe A Gas Liquid Gas Liquid 5 6 19 100 1 2 1 4 0 5 0 8 0 0 5 16 0 54 600 5 8 3 8 0 8 1 0 0 5 0 8 22 4 76 400 3 4 3 8 1 0 1 3 0 5 0 8 Indoor unit kW Btu h Copper tube 90 Slanted Uneven Rough Pipe Reamer Point down Bar Copper pipe Clamp handle Red arrow mark Cone Yoke Handle Bar A Inclined Inside is shining without scratches Smooth all round Even length all round Surface damaged...

Page 11: ...o 4 turns as the initial tightening Opening shutoff valve Closing shutoff valve Shutoff valve size Ø6 4 Ø9 5 Ø12 7 Ø15 9 Ø22 2 Ø25 4 13 5 16 5 18 22 14 17 33 39 50 60 62 75 23 27 13 5 16 5 5 4 6 6 Hexagonal wrench 4mm Hexagonal wrench 6mm Hexagonal wrench 10mm 8 1 9 9 27 33 36 44 11 5 13 9 22 28 Tightening torque N m Turn clockwise to close Shaft valve body Gas line piping attached to unit Cap Val...

Page 12: ...e following Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap Water leakage Terminal Block Indoor 1 L 2 N 3 4 INDOOR POWER INPUT Indoor unit Outdoor unit Central controller A B E F C D Vcc GND Main outdoor unit Connect the wires to the terminals on the control board individually according to the out...

Page 13: ...ive rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 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 ...

Page 14: ... as shown in fig 2 Lift slightly the edge of side cover with hands to fix the cover properly on the panel 3 Push the side cover from front side air outlet side towards the inlet grill side to lock the side cover on the main body 4 Fasten the securing screw Cover the Sides Lift the edge with hand ...

Page 15: ...e room thmperature sensor is in the indoor unit the remote controller should be installed in such places away from direct sunlight and high humidity Installation of the remote controller Select places that are not splashed with water Select controller position after receiving customer approval The room temperature sensor is built in the indoor unit This remote controller equipped with liquid cryst...

Page 16: ...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 Position 2 The room themperature is controlled by the thermis tor of the wired remote controller control the temper ature according to the position of wired remote con troller Position 3 The room temperature is contr...

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LG ARNU18GVJA1, Installation Manual

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