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System

Heat Pump Indoor Unit

INSTALLATION MANUAL

LG

MODELS: LRNN, LRNV-TE/TD Series
Type: Ceiling Mounted Cassette - 4Way

website http://www.lgservice.com

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.

Содержание LRNN TD Series

Страница 1: ...ebsite http www lgservice com 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 ...

Страница 2: ...er 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 Installation Parts 3 Safety Precautions 4 Installation Selection of the best location7 Ceiling dimension and hang ing bolt location 8 Wiring Connection 9 Installation of Deco ration Panel 10 Installation of Remote ...

Страница 3: ...Air Intake Air Outlet Installation Parts Name Quantity Shape for gas pipe for liquid pipe Clamp metal 1 EA Insulation for fitting 1 SET Drain hose 1 EA Clamp 8 EA Washer for hanging backet 8 EA Other Paper pattern for installation Owner s manual Installation manual ...

Страница 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...

Страница 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 co...

Страница 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...

Страница 7: ...he door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must have the maintenance space Read completely then follow step by step Unit cm Ceiling Ceiling Board Ceiling Board 30 or more Above 250 400 or less 100 or more 50 or more 50 or more 30 or less Floor Installation Selection of the best location CAUTION In case that the unit is installed near ...

Страница 8: ...s Make sure that ventilation fan is enough to cover all noxious gases from this place Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated...

Страница 9: ...ng washer M10 Air Conditioner body The following parts are local purchasing Hanging Bolt W 3 8 or M10 Nut W 3 8 or M10 Spring Washer M10 Plate Washer M10 CAUTION Tighten the nut and bolt to prevent unit from falling off Air inlet side view Control box cover Indoor power cord Remote control cord Control box cover fitting screw 2 units Terminal Block in Indoor 1 L 2 N 3 4 INDOOR POWER INPUT Terminal...

Страница 10: ...lle including the air filter Decoration panel fixing screws hexagon M5 screws Temporally fitting at 2 places Tightening about 10mm Control box cover Piping side Inlet Grille Inlet Grille Inlet Grille Inlet Grille Inlet Grille Louver motor Decoration panel fixing screws Hexagon M5 screw Air conditioner unit Decoration panel Key holes Display Lead wire for louver motor and display The decoration pan...

Страница 11: ... 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 electrical wiring is complete When the test is complete connect the flexi ble drain hose to the drain port on the indoor unit Heat insulation material Polyethylene foam with thick ness more than 8 mm Drain test Maintenance drain port Upward routing n...

Страница 12: ...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 to equip a l...

Страница 13: ...ight and high humidity Installation of the remote control Select places that are not splashed with water Select control position after receiving customer approval The room temperature sensor is built in the indoor unit This remote control equipped with liquid crystal display If this position is higher or lower display is difficult to see The standard height is 1 2 1 5m high Routing of the remote c...

Страница 14: ...de one trap per unit A single trap for converging units will prove ineffective c Rig the trap to allow for future changing b Suspension bolts should be used th support long stretches of drain pipe in order to ensure that a gradient of 1 100 is maintained PVC pipe should not be bent Spacing of supports for horizontal piping c The length of pipe laid horizontally should be kept a minimum Gradient of...

Страница 15: ...it The drain pipe is thermally insulated to prevent the formation of condensation inside the pipe The drain up mechanism should be fitted before the indoor unit is installed and when the electricity has been connected some water should be added to the drain pan and the drain pump check to see that it is functioning correctly Al connections should be secure Special care is needed with PVC pipe Insu...

Страница 16: ...ssy must be installed at appointed location All wiring and connections are for installation only 2 1 2 Quantity Quantity Package contents 1 Drain Pump Assy AC220 240V 50 60Hz 400cm3 min 1 Elbow ø32mm 1 Hose 2 Tie Wrap 10 Screw 1 Rubber 1 Installation manual 3 Service Parts List No Location No P No Description Remark 1 158590 5858A10001L Pump Water 2 266012 6601A20001E Switch Assy Float Installatio...

Страница 17: ...ion Prevent any upward flow or reverse flow in any part 3 5mm or thicker formed thermal insulator is provid ed for the drain pipe 4 Upward routing is not allowed 5 Be sure to check the drain pump for normal opera tion and abnormal noise when electrical wiring is complete 1 50 1 100 MAX 700mm Elbow Drain pump Unit Drain pipe Local supply Thermal insulator Local supply Wall Drain hose ...

Страница 18: ...e rear cover of the wired remote control 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 control control the tempera ture according to the position of wired remote con trol Position 3 The room temperature is control...

Страница 19: ...P No 3828A23004A Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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