LG LB-C482ESG0 Installation Manual Download | Manualshive

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Ceiling Duct Type Air Conditioner

Memo

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Summary of Contents for LB-C482ESG0

Page 1: ...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 ...

Page 2: ...Cables between Indoor Unit and Outdoor Unit 21 Air Purging of the Connecting Pipes and the Indoor Unit 24 Group Control 25 Two Thermistor system 25 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 materials Flaring Too...

Page 3: ... unspecified power cable It will cause electric shock or fire Do not disassemble or repair the product Contact your dealer and service center Always earth the product It will cause fire or electric shock Do not handle the flamable gas or explosive materials near the product Otherwise it may cause fire or failure of product Do not install the product where flamable gas could leak Otherwise it may c...

Page 4: ...e etc Otherwise an ozygen shortage may occur When the product is not be used for a long time disconnect the power supply plug or turn off the breaker Otherwise it may cause failure of product or fire Do not place heavy object on the power cable Otherwise it may cause fire or electric shock When the product is soaked contact the service center Otherwise it may cause fire or eletric shock Install th...

Page 5: ...alth When flammable gas leaks open the window for ventilation before turn the product on Otherwise it may cause explosion or fire Turn the main power off when cleaning the product Otherwise it may cause fire and electric shock Do not put a pet or houseplant where it is exposed to direct air flow This could injure the pet or plant Do not use the product for special purpose to preserve animals veget...

Page 6: ...ce and leave a door or a window open Otherwise water may drop and wet or damage furniture etc Do not step on an unstable bench when maintaining the product etc Otherwise it may cause personal injury Replace the 2 batteries with new ones of same type Otherwise it may cause fire or explosion Do not charge or disassemble the batteries and throw into a fire Otherwise it may cause fire or an explosion ...

Page 7: ...troller 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 8: ...t 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 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 ...

Page 9: ... Elevation B m Length A m Additional refrigerant g m Pipe Size Diameter Ø Standard 7 5 7 5 7 5 Standard 5 5 5 Max 50 50 50 Max 30 30 30 48k Btu h 60k Btu h 1ø 60k Btu h 3ø CAUTION If 48k Model is installed at a distance of 50m 2550g of refrigerant should be added 50 7 5 x 60g 2550g Capacity is based on standard length and maximun allowance length is on the basis of reliability Improper refrigerant...

Page 10: ... 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 supply ...

Page 11: ...her 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 12: ...w Always 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 ...

Page 13: ... 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 supply H...

Page 14: ...numbers 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 c...

Page 15: ...n 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 05 ...

Page 16: ...ons 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 vacuum drying Wh...

Page 17: ...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 lines must be fitt...

Page 18: ...to 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 wit...

Page 19: ...ght 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 valv...

Page 20: ...ue 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 s...

Page 21: ...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 outdoor unit should be complied with the following specifications Rubber insulati...

Page 22: ...fittings 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...

Page 23: ...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 openin...

Page 24: ...ith 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...

Page 25: ...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 three as fo...

Page 26: ...26 Ceiling Duct Type Air Conditioner Memo ...

Page 27: ...P No 3828A20463A ...

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