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LG 
Ceiling Duct-Type Air Conditioner

INSTALLATION MANUAL

LG

MODELS: LB-H60BESA0

IMPORTANT

• Please read this installation manual completely before 

installing the product.

• When the power cord is damaged, replacement work shall 

be performed by authorized personnel only.

• 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 LB-H60BESA0

Page 1: ...etely before installing the product When the power cord is damaged replacement work shall be performed by authorized personnel only 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: ...door Unit and Outdoor Unit 22 Air Purging of the Connecting Pipes and the Indoor Unit 25 Group Control 26 Two Thermistor system 26 Static Pressures Air Flow Rate 27 Installation Requirements Required Parts Required Tools Four Type A screws Connecting cable Level Screw driver Electric drill Hole core drill ø70mm Pipes Gas side 1 2 5 8 3 4 Liquid side 1 4 3 8 1 2 Insulated drain hose Insulation mate...

Page 3: ...ndicates the possibility of injury or damage to properties only Installation Be sure not to do Be sure to follow the instruction 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 the p...

Page 4: ...e to the product Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture Take care to ensure that power cab...

Page 5: ...he product on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is ris...

Page 6: ...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 malfunction or inefficient operation When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Take car...

Page 7: ...tion or damage Do not insert hands or other objects through the air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary and could cause serious health issues Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury Replace th...

Page 8: ...Controller Side Rear Air intake vents Air outlet vents Piping Drain hose Connecting wire Control cover 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 Introduction Symbols Used in this Manual Features ...

Page 9: ...ith 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 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or pla...

Page 10: ...3 4 Liquid 1 2 Elevation B m Length A m Additional refrigerant g m Pipe Size Diameter Ø Standard 7 5 Standard 5 Max 50 Max 30 60k Btu h 3ø CAUTION If 60k Model is installed at a distance of 50m 3612 5g of refrigerant should be added 50 7 5 x 85g 3612 5g Capacity is based on standard length and maximun allowance length is on the basis of reliability Improper refrigerant charge may result in abnorma...

Page 11: ...as a figure for easy water drainage A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT Drainage hole A B C 1 3 mm D G H I E F 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 suppl...

Page 12: ...washer onto the suspension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers CAUTION Tighten the nut and bolt to prevent unit falling 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts...

Page 13: ...lways lay the drain 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 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...

Page 14: ...ood Drain Is the drainage smoothly and no sweating Gas leakage Is the piping connection correctly Wiring Is the wiring connection correctly Lock bolt Is the lock bolt of compressor loosened 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 insulator for piping Local suppl...

Page 15: ...mbers are matched on unit side and remote controller side Main board CN REMO The maximum length of the cord is 100m If the length of the cord exceeds 50m use a wire size greater than 0 5mm2 Remote controller CN REMO Remote control box body Lever carefully the box open using a screw driver etc Front case The lower part Face of wall Upper notch Upper flange Under plate Remote control cord Remote con...

Page 16: ...even segment LED display For proper display of the remote controller LED s the remote controller should be installed properly as shown in Fig 1 The standard height is 1 2 1 5 m from floor level Operation unit ZONE 1 2 3 4 Humidify JET AUTO AUTO SWING OPERATION FAN SPEED Program set SUB FUNCTION SET TEMP Room Temp HI MED LO Heater Defrost Filter Preheat Out door Time Timer On Set no Time Off 01 03 ...

Page 17: ...tand its vibrations Keep a maintenance space REFRIGERANT PIPING INSTALLATION OF OUT DOOR UNIT Perform the work according to the Service Manual or Installation Guide Select a location that satisfies the following conditions Install the unit firmly in place Use two spanners when connecting the refrigerant pipe to the unit Make a bend with a radius as large as possible Perform air purge with R 22 or ...

Page 18: ...ove crews Use the cord clamper to fix the cord Perform the electrical wiring work according to the electrical wiring connection All wiring must comply with local requirements Select a power source that is capable of supplying the current required by the air conditioner Use a recognized circuit breaker between the power source and the unit A disconnection device to adequately disconnect all supply ...

Page 19: ...avoid to let burrs drop in the tubing Putting nut on Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above Check Compare the flared work with f...

Page 20: ...raight pipes generally using ready made sockets While brazing protect piping against heat with wet cloth to avoid damaging valve packing or burning thermal insulator with burner heat While brazing blow inert gas nitrogen gas or carbonic gas to prevent formation of oxidation film in copper piping otherwise the refrigerant circuit will clog The blowing of nitrogen gas or carbonic gas through 3 way v...

Page 21: ...wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Checking the Drainage Remove the Air Filter Check the drainage Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose of indoor unit without any leakage Torque wrench Outdoor unit Gas side piping Bigger Dia Liquid side...

Page 22: ...he middle of live pin on the power plug should be over 1 8m The power cord connected to the outdoor unit should be complied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA If the supply cord is damaged it must be replaced by a special cord or assembly availible from the manufacturer of its service agent The connecting cable connected to the indoor and outdoo...

Page 23: ...tings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give 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 ra...

Page 24: ...by taping along the exterior wall and fix it onto the wall by saddle or equivalent Tape the Pipings and Connecting cable from bottom to top Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room Fix the pipings onto the wall by saddle or equivalent Trap is required to prevent water from entering into electrical parts Seal a small ope...

Page 25: ... gas leak detector 3 Remove the service port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 6 Tighten the valve stem nuts of the 2 way valve and 3 ...

Page 26: ...YL SIGNAL BR GND YL SIGNAL BR GND Connecting Cable Local Supply Connector Connector YL SIGNAL BR GND YL SIGNAL BR GND YL SIGNAL BR GND Remote Controller PCB Single Group Slide Switch2 Using the supplied Wired Remote Controller wire them like above Move slide switch 2 to Group position Ensure that the color of wire Open the rear cover of Remote Controller to set up the mode Selectable options are t...

Page 27: ...ow Rate Hi 55 53 5 53 51 5 51 50 5 49 47 5 LB H60BESA0 Med 46 5 45 44 43 5 42 5 41 5 41 39 5 Lo 39 5 37 5 37 35 5 34 5 34 33 5 32 Static Pressure mmAq Setting Value 0 2 4 6 8 10 12 15 Model Step Table is based at 220V According to the fluctuation of voltage air flow rate varies NOTICE ...

Page 28: ...P No 3828A20463B ...

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