LG LB-E4880 Series Installation Instructions Manual Download Page 6 | Manualshive

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6

• Select and mark the position for fixing

bolts.

• Drill the hole for set anchor on the face

of ceiling.

• Insert the set anchor and 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.

1 Set anchor

Old building

New building

2 Plate washer
3 Spring washer

4 Nut

5 Suspension
bolts

Tighten the nut and bolt to prevent
unit falling

CAUTION

• Local supply

Set anchor
Plate washer

- M10

Spring washer

- M10

Nut

- W3/8 or M10

Suspension bolt

- W3/8 or M10

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Summary of Contents for LB-E4880 Series

Page 1: ... Piping Drain hose Connecting wire Control cover Indoor Unit Outdoor Unit ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH This unit is charged with new refrigerant R 407C Be sure to use proper tools for R 407C when installing the unit Please read this instruction sheet completely before installing the product When the power cord is damaged replacement work shall be performed by authorized personnel only...

Page 2: ... How to set E S P 22 OUT LINE OF INSTALLATION Installation works Installation Parts Required tools 1 Selection of the best location 4 2 Indoor unit installation 5 Four Type A screws Connecting cable Level Screw driver Electric drill Hole core drill ø70mm 1 Preparation of Piping 12 Pipes Gas side 1 2 5 8 3 4 Liquid side 1 4 3 8 1 2 Insulated drain hose Insulation materials Flaring Tools set 1 Conne...

Page 3: ...d connecting sections so the stress of the wires is not applied to the sections Incomplete installation could cause injury due to fire electric shock the unit falling or a leakage of water Consult the dealer from whom you purchased the unit or special installer Incomplete installation could cause a personal injury due to fire electric shock the unit falling or a leakage of water When installed in ...

Page 4: ...e should not be any animals or plants which could be affected by hot air discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 3 Piping length and the elevation 4 Indoor unit Outdoor unit B A More than 30cm More than 30cm More than 70cm Sunroof Fence or obstacles More than 30cm More than 30cm More than 70cm Sunroof Fence or obstacles H 600 600 Top view uni...

Page 5: ...lace where the unit can withstand its vibration A place where service can be easily performed 5 CASE 1 POSITION OF SUSPENSION BOLT CASE 2 POSITION OF CONSOLE BOLT Unit mm Drainage hole 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 X 4 A B C 1 3 mm D G H I E F A B C D E F G H I 18K BTU h 932 880 355 45 5 450 30 87 750 163 24K BTU h 9...

Page 6: ...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 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Tighten the nut and bolt to prevent unit falling CAUTION Local supply Set anchor Plate washer M10 Spring washer M10 Nut W3 8 or M10 Suspension ...

Page 7: ...nward 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 duct type air conditioner 2...

Page 8: ... 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 5 7mm Indoor Outdoor WALL 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 Hose clip for thermal ...

Page 9: ...mote 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 control unit Tapping screw Local supply Lower notch Face of wall Upper notch Lower notch Switch box Local supply Under plate Remote control unit Remote control cord Screw Local supply Cord clamp ...

Page 10: ... shall be leveled and that can support the weight of unit and withstand its vibrations Keep a maintenance space Above 70Cm Above 30Cm Outdoor unit Above 30Cm Above 50Cm Face of wall Capacity Addition volume 18K BTU h 30 g m 24K BTU h 30 g m 36K BTU h 40 g m 48K BTU h 40 g m 60K BTU h 50 g m Use two spanners when connect the refrigerant pipe to the unit Make a bend with a radius as large as possibl...

Page 11: ... 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 fitted Capacity ...

Page 12: ...tubing 3 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 4 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 5 Check Compare the flared work with figure If flare is noted t...

Page 13: ... 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 valves is described in the followin...

Page 14: ...ion for tightening follows the arrow on the wrench 1 Checking the Drainage 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 of indoor unit without any leakage 4 Connecting Pipes to the Outdoor Unit 5 Checking the Drainage 14 Torque wrench Outdoor unit Gas side piping Bigger Dia Liquid side piping Smaller Dia Pipe ...

Page 15: ...t 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 outdoor unit should be complied with the following specification...

Page 16: ...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 rated voltage marked on the name plate 7 Confirm that the cable thickness is as ...

Page 17: ...valent 2 Tape the Pipings and Connecting cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room 4 Fix the pipings onto the wall by saddle or equivalent 17 In case of the Outdoor unit being installed below position of the Indoor unit In case of the Outdoor Unit being installed above position of the Indoor Un...

Page 18: ...d position 2 After connecting the piping check the joints for gas leakage with 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...

Page 19: ... Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 Indoor Unit 1 Terminal Local Supply Block Terminal Local Supply Block Terminal Local Supply Block Main PCB 1 Main PCB 2 Main PCB 16 Wired Remote Controller Standard Indoor Unit 2 Main PCB Indoor Unit 16 Connector RED 12V YL SIGNAL BR GND RED 12V YL SIGNAL BR GND YL SIGNAL BR GND Connecting Cable Local Supply Connector Connector YL SIGNA...

Page 20: ...or Connection For 48K Model Control box Wire Color YL BK BL OR For Higher E X P 15mmAq Wire Color BK BL RD OR For Standard E X P 10mmAq Control box Wire Color YL BK BL OR For Standard E X P 10mmAq Wire Color BK BL RD OR For Lower E X P 6mmAq If working condition of indoor unit is lower than that of standard static pressure 10mmAq change the Indoor Motor wire housing for standard motor housing for ...

Page 21: ...ition F H Maximum E S P setting Fan speed doesn t vary according to the opening Closing of dampers 3 Position V L Minimum E S P setting Fan speed is varied according to the state of dampers by micom Maximum 18K 8mmAq 24K 6mmAq 36K 8mmAq Minimum 0mmAq 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally TH R14H SW TH REMO MAIN 2TH OP7 R18H R17H OP6 LO STAND ...

Page 22: ... Heater Defrost Filter Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 3 4 FAN SPEED HI 2 Timer 1 2 3 5 4 Timer Procedure of RPM change Ex External Static pressure is 6mmAq for Model Name LB H1860 To protect the unit compressor is designed to be off during E S P setting Push the On Off button The unit will start Push the Timer and Wind button simultaneously for mor...

Page 23: ...LB G3680 Static Pressure mm Aq 0 2 4 6 8 10 15 Model Name Step CMM CMM CMM CMM CMM CMM CMM High 48 5 46 5 45 43 5 42 40 40 Med 43 41 5 39 5 38 36 5 35 35 Low 39 37 5 36 34 5 33 31 30 High 58 5 57 55 53 51 49 44 Med 54 52 5 51 49 47 45 39 Low 49 47 5 46 44 42 40 34 High 54 52 5 51 49 47 45 Med 49 47 5 46 44 42 40 Low 44 42 5 41 39 37 35 LB E6080 Standard LB E4880 LB E6080 Low Static 1 The above tab...

Page 24: ...Memo 24 ...

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