LG L8UC100BFA0 Installation Manual Download Page 38 | Manualshive

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Multi Type Air Conditioner

Memo

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Summary of Contents for L8UC100BFA0

Page 1: ...tallation 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 TYPE Multi ENGLISH ESPAÑOL ...

Page 2: ...rain Piping 25 Air Purging and Evacuation 28 Test Running 30 Optional Operation 32 Installation guide at the seaside 37 Connecting cable Four Type A Screw Hanging Bolt W 3 8 or M10 length 650 mm Pipes Gas side Liquid side Insulated drain hose Additional Drain hose Inner Dia Cassette type 32 mm Duct type 25 mm Convertible type 25 mm Level Screw driver Electric drill Hole core drill ø70 mm Flaring T...

Page 3: ... follow the instruction Safety Precautions Installation Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not use a defective or underrated circuit breaker Use...

Page 4: ... 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 Operation Gasolin Do not store or use flammable gas or combustibles near the product ...

Page 5: ...oduct To avoid vibration or water leakage Do not install the product where the noise or hot air from the outdoor 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 Corrosio...

Page 6: ...pace Duct type The place shall easily bear a load exceeding four times the indoor unit s weight The place shall be able to inspect the unit as the figure The place where the unit shall be leveled The place shall allow easy water drainage Suitable dimension H is necessary to get a slope to drain as figure The place shall easily connect with the outdoor unit The place where the unit is not affected ...

Page 7: ... indicated by arrows around front back and side of the unit 3 Do not place animals and plants in the path of the warm air 4 Take the air conditioner weight into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and noise from the air conditioner do not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure b...

Page 8: ...r 110 A 50 60 30 h1 45 10 None Distributor 50 B 50 h2 45 10 L8UC150BFA1 With Distributor 110 A 50 60 30 h1 45 10 L8UC150BFE1 Total Length Max Main Pipe Length A B Total Branch Pipe Length Max Branch Pipe Length Max Elevation h1 h2 Indoor Indoor Elevation h3 Model 48 kBtu h Ø19 05 Ø9 52 50 Main Pipe 60 kBtu h Ø19 05 Ø9 52 50 90 kBtu h Ø25 4 Ø12 7 120 12 18 kBtu h Ø12 7 Ø6 35 20 Branch Pipe 24 30 36...

Page 9: ...er Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oily steam 2 Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories etc 3 Avoid places where inflammable gas is generated flows in is stored or vented 4 Avoid places where sulfurous acid gas or corrosive gas is gener...

Page 10: ... the ceiling board along the outer edge of the paper model Flat washer for M10 accessory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 Air Conditioner body Indoor Unit Installation The following parts is option 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 falling Drill the piping hole on ...

Page 11: ...e 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 CASE 2 POSITION OF CONSOLE BOLT Unit mm Drainage Hole M10 Nut M10 SP washer M10 washer X 8 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 8 A B C D G H I E F Dimension Capacity A B C D E F G H I 18 kBtu h 24 kBtu h 30...

Page 12: ...olts 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 Local supply Set anchor Plate washer M10 Spring washer M10 Nut W3 8 or M10 Suspension bolt W3 8 or M10 CAUTION Tighte...

Page 13: ...s lay the drain with downward inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 10 mm 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 d...

Page 14: ...ide can cause drain pan to overflow inside the unit Drain hose Connecting cable Loop Gas side piping Liquid side piping Drain hose CAUTION If the drain hose is routed inside the room insulate the hose with an insulation material so that dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended Preparing the indoor unit s piping and dra...

Page 15: ...e drain pipe Wrap the insulation material around the connecting portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape Recommended Insulation material Meterial FOAM PE Thickness 10 mm Density less than 0 032 0 ...

Page 16: ...hey fit into the rear piping housing section Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from left to right could cause problem of pipe damage Wrap with vinyl tape Drain hose Pipe Vinyl tape wide CAUTION Installation Information For right piping For right piping follow the instruction below ...

Page 17: ... important to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping connections must be done safely How to fix installation plate Installation Plate Type A screw Installation plate Ø70mm Left rear piping Right rear piping C D B A Ø70mm SR ST SU Left rear piping Right rear pip...

Page 18: ...Slide it back into position Fix the under plate on the wall Separate the under plate from Remote control box Fix the cord clamps on the wall by ø 3 tapping screws accessory Fix the remote control cord DISASSEMBLING ELECTRICAL WIRING Wire and make sure that terminal numbers are matched on unit side and remote controller side The maximum length of the cord is 100 m If the length of the cord exceeds ...

Page 19: ...ol box cover Indoor power cord Remote controller cord Control box cover screw Installation Manual 19 ENGLISH Wiring Connection Open the control box cover and connect the Remote controller cord and Indoor power Wiring Connection ...

Page 20: ...ircuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram CAUTION Provide a circuit breaker between power source and the unit as shown below CAUTION The power cord connected to the outdoor unit Main Power Cable...

Page 21: ...y to confirm that they do not move If they are loose the unit the unit will not operate normally or it can cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm that the cable thickness is as specified in the power s...

Page 22: ...d 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 dedicated flaring tool for R22 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 below If flare is noted to be defective cut off the flared secti...

Page 23: ...are nut with torque wrench ensure the direction for tightening follows the arrow on the wrench CAUTION Use two wrenches and tighten with regular torque In case of 100 kBtu h Outdoor Unit Use Short Tube for connecting 48 kBtu h indoor unit to the outdoor unit not the Branch Distributor In case of 150 kBtu h Outdoor Unit Use Y Connector for connecting 48 kBtu h indoor unit to the Branch Distributor ...

Page 24: ...onnector and display connector 6 After tightening these screws install the air inlet grille including the air filter Decorative panel fixing screws hexagon M5 screws Temporally fitting at 2 places Tightening about 10 mm Install the panel after making sure that the piping side of the unit body matches the piping indication of the decorative panel Control box cover Piping side Inlet Grille Inlet Gri...

Page 25: ...er 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 flexible drain hose to the drain port on the indoor unit Air conditioner unit Ceiling board Decorative panel Decorative panel Fit the insulator this part and be careful for cool air leakage Good exampl...

Page 26: ...ers that are located in ceiling atmosphere Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping Heat insulation Forming the piping Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vinyl tape If you want to connect an additional drain hose the end of the drain outlet should be routed above t...

Page 27: ... Indoor unit perform the following 1 Tape the piping and connecting cable from down to up 2 Secure the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent Seal a small opening around the pipings with gum type sealer Trap Trap ...

Page 28: ... Leakage test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for leakage test If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 1 000 kPa 150 psig with dry nitrogen gas and close the cy...

Page 29: ...the Lo knob of the manifold valve and stop the vacuum pump Finishing the job 1 With a service valve wrench turn the valve stem of liquid side valve counter clockwise to fully open the valve 2 Turn the valve stem of gas side valve counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose 4 Replace ...

Page 30: ...te unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the temperature of the intake and discharge of air 3 The intake temperature the discharge temperature 8 C 4 For reference the gas side pressure of optimum condition is as below Cooling If the actual pressure are higher than shown the system is most likely over charged a...

Page 31: ...ained 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 leakage breaker where it is wet or moist 9 The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the ...

Page 32: ... remote controller sensor 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally CAUTION Select the position after counselling with a customer In case of cooling mode room temperature is controlled by the main body sensor To control the room temperature by a wired remote controller install controller room temp sensor to sense the temperature more accurately M...

Page 33: ...f the wired remote controller 3 Move the slide switch to the set position 4 Close the rear cover and check if it works normally Optional Operation Ceiling height Mode of slide switch Change of air volume Remark more than 3 3 m High Ceiling Increasing 2 7 3 3 m Standard Manufactured in less than 2 7 m Low Ceiling Decreasing standard mode TH R14H SW TH REMO MAIN 2TH OP7 R18H R17H OP6 LO STAND SW HIG...

Page 34: ...ing Fan speed is varied according to the state of dampers by micom 2 Position 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 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 R18...

Page 35: ...m set Room Temp MED LO AUTO JET Heater Defrost Filter Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 4 FAN SPEED HI 1 Timer 1 2 3 5 4 Timer Procedure of RPM change Ex External Static pressure is 4 mmAq for 24 kBtu h 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 simu...

Page 36: ...140 70 105 132 196 210 230 155 175 185 100 130 155 90 120 140 50 105 130 190 208 220 140 160 175 1 120 145 85 115 140 1 105 130 150 202 215 1 43 175 210 LMNC182BHA0 LMNH182BHA0 LMNC242BHA0 LMNH242BHA0 LMNC302BGA0 LMNH302BGA0 LMNC362BGA0 LMNH362BGA0 LMNC482BRA0 Med 14 5 512 Low 13 459 High 20 706 Med 18 636 Low 16 565 High 28 989 Med 24 848 Low 20 706 High 32 1 130 Med 28 989 45 1 589 40 1 412 35 1...

Page 37: ...ide line in the seaside installation please contact LG Electronics for the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on t...

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