LG MULTI V LRNN-BE Series Installation Manual Download Page 1

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System

Heat Pump Indoor Unit

INSTALLATION MANUAL

MODELS: LRNN, LRNV-BE/BG/BH Series
Type: Ceiling Concealed Duct - High Static

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.

Summary of Contents for MULTI V LRNN-BE Series

Page 1: ...ic 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 ...

Page 2: ...Flaring tool set Specified torque wrenches different depending on model No Spanner Half union A glass of water Screw driver Hexagonal wrench Gas leak detector Vacuum pump Gauge manifold Owner s manual Thermometer Installation Parts Provided 3 Safety Precautions 4 Installation Selection the best location 7 Ceiling opening dimension and hanging bolt location 8 Wiring Connection 9 Check the Drainage ...

Page 3: ...ote Controller Air intake vents Air outlet vents Installation Name Quantity Shape for gas pipe for liquid pipe Clamp metal 1 EA Insulation for fitting 1 set 1 set Drain hose 1 EA Other Clamp 6 EA Screws for duct flanges Owner s manual Installation manual Washers 8 pcs ...

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: ... 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...

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: ...s figure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There should not be any heat source or steam near the unit Read completely then follow step by step Top view unit mm H Front view 600 600 Front Inspection hole 600X600 Control box 1000 Installation Selection of the be...

Page 8: ...e fan the fin of the heat exchanger resulting in heat exchange reduction spraying dispersing of water drops etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install ...

Page 9: ...outdoor unit and the terminal No are the same as those of indoor unit respectively Clamping of cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw strongly For the heat pump model put the 0 75mm2 cable thinner cable on the clamp and tighten it with a ...

Page 10: ...lator for piping Local supply Hose crip for thermal insulator Local supply Union for liquid pipe Refrigerant pipe and thermal insulator Local supply Union for gas pipe Thermal insulator for refrigerant pipe Local supply Hose crip for thermal insulator Local supply 1 Remove the Air Filter 2 Check the drainage Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose o...

Page 11: ...ain with downward inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm or thicker formed thermal insulator shall always be provided for the drain pipe CORRECT Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Applied U Trap Dimension 1 Install declination of the indoor unit is very important for the drain of the duct ty...

Page 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...

Page 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...

Page 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...

Page 15: ...in size to that of the indoor unit 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 c...

Page 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...

Page 17: ... 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 MAX 700mm Drain Pipe Drain Pump 1 50 1 100 1 50 1 100 Elbow Drain pump Unit Drain pipe Local supply Thermal insulator Local supply 1 50 1 100 Wall Drain ho...

Page 18: ...pen the 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 c...

Page 19: ...P No 3828A23004B Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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