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OUTDOOR UNITS INFORMATION

ENGLISH

Model Name : ARUN***CTE4

Power Supply Outdoor Unit (3Ø, 575V, 60Hz)

Chassis

UX3

Ton

Model Name

Combination Unit

ARUN144CTE4

ARUN168CTE4

Independent Unit

Refrigerant

Refrigerant name

R410A

Control

EEV

Number of maximum connectable indoor units

Net Weight

(285 × 1)

lbs

(628 × 1)

Pipe

Connections

Liquid Pipes

mm(inch)

12.7(1/2)

15.88(5/8)

Low Pressure Gas Pipes

mm(inch)

28.58(1 1/8)

Chassis

UX2

UX3

Ton

Model Name

Combination Unit

ARUN072CTE4

ARUN096CTE4

ARUN121CTE4

Independent Unit

Refrigerant

Refrigerant name

R410A

Control

EEV

Number of maximum connectable indoor units

Net Weight

(195 × 1)

(245 × 1)

lbs

(430 × 1)

(540 × 1)

Pipe

Connections

Liquid Pipes

mm(inch)

9.52(3/8)

12.7(1/2)

Low Pressure Gas Pipes

mm(inch)

19.05(3/4)

22.2(7/8)

28.58(1 1/8)

OUTDOOR UNITS INFORMATION

CAUTION

Notes : * We can guarantee the operation only within 130% Combination.

Combination Ration (50~130%)

Outdoor Number

Connection Capacity

Single outdoor units

130%

Double outdoor units

130%

Triple outdoor units

130%

Содержание MULTI V ARUN***CTE4

Страница 1: ...nstallation 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 your set and retain it for future reference P NO MFL68460402 http www lghvac com www lg com ENGLISH FRANÇAIS ESPAÑOL ...

Страница 2: ...condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Страница 3: ...electrician according to Electric Facility Engineering Stan dard and Interior Wire Regulations and the instructions given in this manual and always use a spe cial circuit If the power source capacity is inadequate or electric work is performed improperly electric shock or fire may result Ask the dealer or an authorized technician to install the air conditioner Improper installation by the user may...

Страница 4: ...s must be taken to prevent the refrigerant concentration from exceeding the safety limit when the refrigerant leaks Consult the dealer regarding the appropriate measures to prevent the safety limit from being ex ceeded Should the refrigerant leak and cause the safety limit to be exceeded harzards due to lack of oxygen in the room could result Operation Do not damage or use an unspecified power cor...

Страница 5: ...e air conditioner may affect such equipment by creating noise that disturbs medical treatment or image broadcasting Do not install the product where it is 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 Operation Do not use the air conditioner in specia...

Страница 6: ... during and after operation It can cause a burn or frostbite Do not operate the air conditioner with the panels or guards removed Rotating hot or high voltage parts can cause injuries Do not directly turn off the main power switch after stopping operation Wait at least 5 minutes before turning off the main power switch Otherwise it may result in water leakage or other problems Auto addressing shou...

Страница 7: ...ant charging 42 Distribution Method 43 Branch pipe Fitting 47 Leak Test and Vacuum drying 49 Vacuum Mode 50 Thermal insulation of refrigerant piping 51 ELECTRICAL WIRING 51 Caution 53 Control box and connecting position of wiring 54 Communication and Power Cables 55 Wiring of main power supply and equipment capacity 56 Field Wiring 3Ø 575V 65 Checking the setting of outdoor units 66 Automatic Addr...

Страница 8: ... setting Determination of division work The vacuum pump used must have a capacity of reaching at least 5 torr more than 1 hour Vacuum drying Recharge correctly as calculated in this manual and record the amount of added refrigerant Additional charge of refrigerant Make sure there are no gaps left between the facing materials used on the ceiling Fit facing panels Run each indoor unit in turn to mak...

Страница 9: ...8 Chassis UX2 UX3 UX3 HP 8 10 12 Ton 6 8 10 Model Name Combination Unit ARUN072CTE4 ARUN096CTE4 ARUN121CTE4 Independent Unit Refrigerant Refrigerant name R410A R410A R410A Control EEV EEV EEV Number of maximum connectable indoor units 13 16 20 Net Weight kg 195 1 245 1 245 1 lbs 430 1 540 1 540 1 Pipe Connections Liquid Pipes mm inch 9 52 3 8 9 52 3 8 12 7 1 2 Low Pressure Gas Pipes mm inch 19 05 ...

Страница 10: ...TE4 Independent Unit ARUN121CTE4 ARUN144CTE4 ARUN072CTE4 ARUN072CTE4 Refrigerant Refrigerant name R410A R410A Control EEV EEV Number of maximum connectable indoor units 32 35 Net Weight kg 195 1 245 1 195 1 285 1 lbs 430 1 540 1 430 1 628 1 Pipe Connections Liquid Pipes mm inch 15 88 5 8 15 88 5 8 Low Pressure Gas Pipes mm inch 28 58 1 1 8 28 58 1 1 8 Chassis UX3 UX3 UX3 UX3 HP 28 32 Ton 24 26 Mod...

Страница 11: ...endent Unit ARUN168CTE4 ARUN144CTE4 ARUN168CTE4 ARUN121CTE4 ARUN096CTE4 Refrigerant Refrigerant name R410A R410A Control EEV EEV Number of maximum connectable indoor units 55 58 Net Weight kg 285 2 245 2 285 1 lbs 628 2 540 2 628 1 Pipe Connections Liquid Pipes mm inch 19 05 3 4 19 05 3 4 Low Pressure Gas Pipes mm inch 34 9 1 3 8 41 3 1 5 8 ...

Страница 12: ...sure refrigerant any unapproved pipe must not be used Do not heat pipes more than necessary to prevent them from softening Be careful not to install wrongly to minimize economic loss because it is expensive in comparison with R22 The refrigerant R410A has the property of higher operating pressure in comparison with R22 Therefore all materials have the characteristics of higher resisting pressure t...

Страница 13: ...solution and spray sulfur are often used Do not use unit under any special environment where oil steam and sulfuric gas exist It is recommended to fence round the outdoor unit in order to prevent any person or animal from accessing the outdoor unit If installation site is area of heavy snowfall then the following directions should be observed Make the foundation as high as possible Fit a snow prot...

Страница 14: ...C 50 1 31 32 D 100 3 15 16 E 100 3 15 16 F 500 19 11 16 A E B D A C B D E C A E B F C D A E B F C D A E B A B E A E B F C D Front Front Front Front A 10 13 32 B 500 19 11 16 C 10 13 32 D 500 19 11 16 E 20 25 32 F 900 35 7 16 A 50 1 31 32 B 500 19 11 16 C 50 1 31 32 D 500 19 11 16 E 100 3 15 16 F 600 23 5 8 Only 2 sides are walls A E B D A C B D E C A E B F C D A E B F C D A E B A B E A E B F C D F...

Страница 15: ...nction If it is installed at snowy area attach the hood to the system Install the outdoor unit at the higher installation console by 50cm 1 64ft than the average snowfall annual average snowfall if it is installed at the area with much snowfall Where snow accumulated on the upper part of the Outdoor Unit by more than 10cm 0 33ft al ways remove snow for operation The height of H frame must be more ...

Страница 16: ...ur points Carrying in and lifting with 3 point support may make Outdoor Unit unstable resulting in a fall Use 2 belts of at least 8m 26 2ft long Place extra cloth or boards in the locations where the casing comes in contact with the sling to prevent damage Hoist the unit making sure it is being lifted at its center of gravity When carrying the suspended unit pass the ropes under the unit and use t...

Страница 17: ...m 2 15 16 inch Atleast100mm 3 15 16inch Atleast100mm 3 15 16inch Atleast100mm 3 15 16inch Atleast100mm 3 15 16inch Atleast100mm 3 15 16inch Atleast100mm 3 15 16inch Center of the Unit For outdoor units should not be supported only by the corner supports Center of the Unit 730 28 3 4 760 29 29 32 65 2 9 16 65 2 9 16 Unit mm inch At least 65 2 9 16 At least 65 2 9 16 Chassis Outdoor Unit Capacity A ...

Страница 18: ...lt It may cause the unstable state of the outdoor settlement and may cause freezing of the heat exchanger resulting in abnormal operations Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit before welding Not removing Pallet Wood Support causes hazard of fire during welding WARNING Install where it can sufficiently support the weight of the outdoor unit If the support...

Страница 19: ...ry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as in dicated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Copper tube 90 Slanted Uneven Rough Pipe Reamer Point down Bar Copper pipe Clamp handle Red arrow mark Cone Yoke Handle Bar A In...

Страница 20: ...shutoff valve Doing so may break the valve body as the valve is not a backseat type Always use the special tool 3 Make sure to tighten the cap securely Pipe size mm inch Tightening Torque N m lbs ft A mm inch flare shape Ø9 52 3 8 38 4 28 3 0 12 8 0 5 13 2 0 52 90 2 45 2 A R 0 4 0 8 Ø12 7 1 2 55 6 41 4 4 16 2 0 64 16 6 0 65 Ø15 88 5 8 75 7 55 5 2 19 3 0 76 19 7 0 78 CAUTION Always use a charge hos...

Страница 21: ...t Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping Closing shutoff valve 1 Remove the cap and turn the valve clockwise with the hexagon wrench 2 Securely tighten the valve until the shaft contacts the main body seal 3 Make sure to tighten the cap securely For the tightening torque refer to the table on the below Tightening torque Shut off valve size mm inch Tight...

Страница 22: ... be taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pipe entrance should be fitted cap when pass through the walls No dust in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pipe entranc...

Страница 23: ...dants ants nest corrosion occurs causes of organic acid alcohol copper water temperature CAUTION Regulator Nitrogen gas Pressure 0 02Mpa 2 9psi less Auxiliary valve Taping Should not contain air Welding Point Note should not block the outlet side When the internal pressure in pipe is abo ve the atmospheric pressure pinhole is o ccurred and it is a leakage cause Oxide scale Nitrogen Nitrogen substi...

Страница 24: ... to human body if combusted Do not perform welding in a closed space Be sure to close the cap of the service port to prevent gas leakage after the work Precautions on Pipe connection Valve operation Pipe connection is done by connecting from the end of the pipe to the branching pipes and the refrigerant pipe coming out of the outdoor unit is divided at the end to connect to each indoor unit Flare ...

Страница 25: ...de Pipe Draw Out Front Pipe Draw Out Right Side Pipe Draw Out Refrigerant Pipe Regulator Nitrogen Taping Valve Nitrogen Nitrogen Direction Direction Nitrogen Direction Removal Area for Liquid Gas pipe bottom side connections CAUTION Do not give damage to the pipe base during the Knock Out work Proceed to pipe work after removing burr after Knock Out work Perform sleeve work to prevent damage to th...

Страница 26: ...refrigerant or air inside using the service port Remove the leakage prevention cap Gas pipe Service Port Liquid pipe Leakage Prevention Cap Refrigerant Charging Port Pipe Knock Out for Liquid Gas pipes 26 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT ENGLISH Pipe Drawing Out during Single Series connection Method of drawing out pipes on the front side Proceed with the pipe work as shown in the ...

Страница 27: ...E CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT 27 ENGLISH Method of drawing out pipes on the bottom side Drawing out common pipe through side panel Liquid pipe Gas pipe Remove only liquid gas pipe Knock out ...

Страница 28: ...o satisfy below condition to make 40m 131ft 90m 295ft of pipe length after first branch Diameter of pipes between first branch and the last branch should be increased by one step except pipe diameter B C D is same as Diameter A Ø1 4 6 35mm Ø3 8 9 52mm Ø1 2 12 7mm Ø5 8 15 88mm Ø3 4 19 05mm Ø7 8 22 2mm Ø1 25 4 Ø1 1 8 28 58mm Ø1 1 4 31 8mm Ø1 3 8 34 9mm Ø1 1 2 38 1mm Ø1 5 8 41 3mm It is not necessary...

Страница 29: ...ndition to make 131ft 40m 295ft 90m of pipe length after first branch Diameter of pipes between first branch and the last branch should be increased by one step except pipe diameter B C D is same as Diameter A Ø1 4 6 35mm Ø3 8 9 52mm Ø1 2 12 7mm Ø5 8 15 88mm Ø3 4 19 05mm Ø7 8 22 2mm Ø1 25 4 Ø1 1 8 28 58mm Ø1 1 4 31 8mm Ø1 3 8 34 9mm Ø1 1 2 38 1mm Ø1 5 8 41 3mm It is not necessary to size up h If t...

Страница 30: ...A B C D a b c d e 1000m 3281ft L Longest pipe length Equivalent pipe length A B C D e 150m 492ft 200m 656ft A B C D e 175m 574ft 225m 738ft l Longest pipe length after 1st branch B C D e 40m 131ft 90m 295ft H Difference in height Outdoor Unit Indoor Unit H 110m 361ft h Difference in height Indoor Unit Indoor Unit h 40m 131ft h1 Difference in height Outdoor Unit Outdoor Unit h1 5m 16 4ft WARNING Wh...

Страница 31: ... 22 Ø 15 88 5 8 Ø 28 58 1 1 8 Ø 19 05 3 4 Ø 31 8 1 1 4 Ø 19 05 3 4 not increased 20 24 Ø 15 88 5 8 Ø 34 9 1 3 8 Ø 19 05 3 4 not increased Ø 19 05 3 4 not increased 22 28 26 34 Ø 19 05 3 4 Ø 34 9 1 3 8 Ø 22 2 7 8 Ø 38 1 1 1 2 Ø 22 2 7 8 not increased 30 36 Ø 19 05 3 4 Ø 41 3 1 5 8 Ø 22 2 7 8 not increased Ø 22 2 7 8 not increased Header Method 1 Outdoor Unit Example 6 Indoor Units connected Ⓐ Outdo...

Страница 32: ...Slave1 ODU Capacity Master Slave1 Slave2 Branch pipe can not be used after header Total pipe length A a b c d e f 1000m 3281ft L Longest pipe length Equivalent pipe length A f 200m 656ft A f 225m 738ft l Longest pipe length after 1st branch f 40m 131ft H Difference in height Outdoor Unit Indoor Unit H 110m 361ft h Difference in height Indoor Unit Indoor Unit h 40m 131ft h1 Difference in height Out...

Страница 33: ...nit Ⓑ 1st branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Connection branch pipe between Outdoor units ARCNN21 Ⓕ Header Ⓖ Sealed piping H 110m 361ft 40m 131ft L 150m 492ft 200m 656ft Conditional application 40m 131ft 90m 295ft Conditional application Branch pipe can not be used after header Branch pipe can not be used after header H 110m 361ft Master Slave Master Slave Master Slave ODU Capacity Master Slave 40m...

Страница 34: ... 40m 131ft 90m 295ft Conditionalapplication Branch pipe can not be used after header Refrigerant pipe diameter from branch to branch B C Downward Indoor Unit total capacity kW Btu h Liquid pipe mm inch Gas pipe mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 600 Ø9 52 3 8 Ø15 88 5 8 22 4 76 400 Ø9 52 3 8 Ø19 05 3 4 33 6 114 700 Ø9 52 3 8 Ø22 2 7 8 50 4 172 000 Ø12 7 1 2 Ø28 58 1 1 8 67 2 229 400 Ø1...

Страница 35: ...ch Gas pipe mm inch 6 8 Ø 9 52 3 8 Ø 19 05 3 4 Ø 12 7 1 2 Ø 22 2 7 8 Ø 12 7 1 2 not increased 8 10 Ø 9 52 3 8 Ø 22 2 7 8 Ø 12 7 1 2 Ø 25 4 1 Ø 12 7 1 2 not increased 10 12 12 14 Ø 12 7 1 2 Ø 28 58 1 1 8 Ø 15 88 5 8 not increased Ø 15 88 5 8 not increased 14 18 18 22 Ø 15 88 5 8 Ø 28 58 1 1 8 Ø 19 05 3 4 Ø 31 8 1 1 4 Ø 19 05 3 4 not increased 20 24 Ø 15 88 5 8 Ø 34 9 1 3 8 Ø 19 05 3 4 not increased...

Страница 36: ... model name in order to choose main pipe diameter by downward Do not let the connection pipe from branch to branch exceed the main pipe diameter chosen by outdoor unit model name EX Where connecting the indoor units to the 24HP 70kW outdoor unit to 130 of its sys tem capacity 91kW and branching 7k Btu h 2 2kW indoor unit at the 1st branch Main pipe diameter 24HP outdoor unit outdoor unit Ø28 58 1 ...

Страница 37: ...ipe apply Oil Trap Pipe connection between outdoor units General Case The maximum pipe length after the ﬁrst branching between the outdoor units is 10m 33ft or less Pipes between outdoor units are 2m 6 6ft or less Examples of Wrong Pipe Connections 2m 6 6ft or less Pipes between outdoor units are 2m 6 6ft or longer OilTrap OilTrap OilTrap 2m 6 6ft or less 2m 6 6ft orless 2m 6 6ft orless 0 2m 6 6ft...

Страница 38: ... of the pipe between the outdoor units is more than 2m 6 6ft Otherwise the unit may not operate properly Toward indoor unit Toward indoor unit Pipe inclination 2 or more Toward indoor unit Toward indoor unit Toward indoor unit Toward indoor unit Example 1 Example 2 Example 3 Example 1 Example 2 Toward indoor unit Toward indoor unit 2m 6 6ft 2m 6 6ft 2m 6 6ft 0 2m 6 6ft Oil Trap 38 PIPE CONNECTIONS...

Страница 39: ...ion of oil in the slave out door unit should be avoided Otherwise the unit may not operate properly The level difference between two outdoor units h is allowed up to 5m 16 4ft Example 1 Toward indoor unit Toward indoor unit h h 0 2m 6 6ft Toward indoor unit Toward indoor unit Oil Trap h Toward indoor unit Example 3 Example 2 ...

Страница 40: ... Ø15 88 mm 5 8 inch x 0 173 kg m 0 116 lbs ft Total liquid pipe Ø12 7 mm 1 2inch x 0 118 kg m 0 079 lbs ft Total liquid pipe Ø9 52 mm 3 8inch x 0 061 kg m 0 041 lbs ft Total liquid pipe Ø6 35 mm 1 4 inch x 0 022 kg m 0 015 lbs ft CF value of indoor unit Amount refrigerant of Indoor units Example 4Way Ceiling Cassette 14 5kW 1ea Ceiling concealed Duct 7 3kW 2ea Wall Mounted 2 3kW 4ea CF 0 64 1 0 26...

Страница 41: ...d be over 2m 6 56ft from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation system Limitation in piping work Prepare for earthquake and thermal stress Liquid pipe Gas pipe Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle Total amount of refrigerant in the system 0 44kg m3 0 028lbs ft3 Volume of ...

Страница 42: ...Slave Master Slave Master Slave Master 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd 3rd Main pipe distribution Slave Master 1st 3rd 3rd Main pipe distribution 2nd Horizontal Distribution Vertical Distribution The others 42 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT ENGLISH Distribution Method ...

Страница 43: ...ation If the diameter of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting section should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit Ⓐ To Outdoor Unit Ⓑ To Indoor Unit The indoor unit having larger capacity must be in stalled closer to Ⓐ than smaller one If the diameter of the refrigerant...

Страница 44: ...ween branch and pipe should be sealed with the tape included in each kit Any cap pipe should be insulated using the insulator provided with each kit and then taped as described above Pinched pipe B Horizontal plane View from point B in the direction of the arrow Insulate the header using the insulation material attached to the branch pipe kit as shown in the ﬁgure Insulator Insulator of ﬁeld pipe ...

Страница 45: ... 32 I D19 05 3 4 I D19 05 3 4 I D19 05 3 4 I D6 35 1 4 I D9 52 3 8 I D9 52 3 8 ARBLN14521 2 3 3 3 2 2 3 471 18 17 32 517 20 11 32 125 4 29 32 I D41 3 1 5 8 I D38 1 1 1 2 I D38 1 1 1 2 I D22 2 7 8 I D34 9 1 3 8 I D34 9 1 3 8 I D34 9 1 3 8 I D28 58 1 1 8 I D28 58 1 1 8 I D15 88 5 8 120 4 23 32 I D19 05 3 4 O D22 2 7 8 I D41 3 1 5 8 O D38 1 1 1 2 90 3 17 32 130 5 1 8 I D41 3 1 5 8 I D38 1 1 1 2 O D34...

Страница 46: ... 3 8 ID9 52 3 8 ID12 7 1 2 ID15 88 5 8 ID12 7 1 2 7 branch ARBL107 150 5 29 32 120 4 23 32 ID15 88 5 8 ID9 52 3 8 ID6 35 1 4 ID9 52 3 8 ID6 35 1 4 ID9 52 3 8 ID6 35 1 4 ID15 88 5 8 ID12 7 1 2 ID15 88 5 8 ID12 7 1 2 160 6 5 16 ID19 05 3 4 ID22 2 7 8 ID28 58 1 1 8 ID25 4 1 580 22 27 32 150 5 29 32 120 4 23 32 ID9 52 3 8 ID6 35 1 4 ID9 52 3 8 ID9 52 3 8 ID6 35 1 4 ID6 35 1 4 ID9 52 3 8 ID6 35 1 4 ID9...

Страница 47: ...ure is applied and when the pressure drop is checked apply the following correction factor There is a pressure change of approximately 0 01Mpa 1 5psi for each 33 8 F of temperature difference Correction Temp at the time of pressurization Temp at the time of check X 0 1 For example Temperature at the time of pressurization 3 8MPa 551psi is 80 6 F 24 hour later 3 73MPa 541psi 68 F In this case the p...

Страница 48: ...uated to 100 7kPa 14 6psi within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after maintaining the system in vacuum for 1 hr Scale Use a graviometer One that can measure down to 0 1kg 0 22lbs If you are unable to prepare such a high precision gravimeter you may use a charge cylinder Indoor unit Slave 1 outdoor unit Master outdoor uni...

Страница 49: ...d CAUTION ODU operation stops during vacuum mode Compressor can t operate Master unit PCB DIP switch on No 5 Select the mode using Button SVC Push the button Select the Function using Button Se3 Push the button Start the vacuum mode VACC ODU V V open ODU EEV open IDU EEV open Dip switch off and push the reset button on Master unit PCB DIP SWITCH 7 Segment SW01C conﬁrm SW02C backward forward SW04C ...

Страница 50: ...e gas or low pressure pipe and liquid or high pressurepipe together Liquid pipe Gas pipe Power cables Finishing tape Insulating material Communication cables Be sure to fully insulate connecting portion These parts are not insulated Good example Liquid pipe Communication cables Communication cables Separ ation Gas pipe Power cables Insulating material Power cables Ⓐ Sleeve Ⓑ Heat insulating materi...

Страница 51: ...ied should be connected to the terminal block for Outdoor Unit communication CAUTION Be sure to correct the outdoor unit to earth Do not connect ground wire to any gas pipe liquid pipe lightening rod or telephone earth line If earth is incomplete it may cause an electric shock 2 Core Shield Cable Multi Core Cable Remote control Remote control Remote control Remote control Indoor Unit Outdoor Unit ...

Страница 52: ...may cause capacitor abnormal heating There fore never install a phase leading capacitor Make sure that the power unbalance ratio is not greater than 2 If it is greater the units lifes pan will be reduced Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block Round pressure terminal Power cable When none are available follow the instructions be...

Страница 53: ...tion of wiring Remove all of the screws at front panel and remove the panel by pulling it forward Connect communication cable between main and sub outdoor unit through the terminal block Connect communication cables between outdoor unit and indoor units through the terminal block When the central control system is connected to the outdoor unit a dedicated PCB must be connected between them When co...

Страница 54: ... central controller 4 core cable Shielding cable 1 0 1 5mm2 1 55x10 3 2 32x10 3 in2 Current capacity of power cable Spacing 100V or more 10A 300m 11 13 16 inch 50A 500m 19 11 16 inch 100A 1 000m 39 3 8 inch Exceed 100A 1 500m 59 1 16 inch CAUTION If apparatus is not properly earthed then there is always a risk of electric shocks the earthing of the apparatus must be carried out by a qualified pers...

Страница 55: ...f indoor unit separately from the power supply CAUTION Some installation site may require attachment of an earth leakage breaker If no earth leakage breaker is installed it may cause an electric shock Do not use anything other than breaker and fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunction of unit or fire WARNING Follow ordinance of yo...

Страница 56: ...rent leakage Communication disorder by noise effect and motor current leakage without connection to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit sepa rately from the power supply Install the main switch that can interrupt all the power sources in an integrated manner because this system consists of the equipment utilizing the multiple power sources...

Страница 57: ...ve function to prevent electrical short and over current at the same time Use copper wires only Unit must be grounded in compliance with the applicable local and national codes ELCB and fuse breaker must install to the power line Between Indoor and Master Outdoor unit Heat Pump 3 4 3 4 3 4 Master Outdoor Unit SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V ...

Страница 58: ...Wires Cable Communication Line 3 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Master Indoor Units Power Supply 3phase 3wires 60Hz 575V Power Supply 1phase 60Hz 220 240V Main Switch Slave Pull Box Installer option Pull Box Installer option Pull Box Installer option L N ELCB ELCB Communication Line 2 Wires Ca...

Страница 59: ...tiple power sources If there exists the possibility of reversed phase lose phase momentary blackout or the power goes on and off while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other parts Heat Pump Between Indoor and Master Outdoor unit Slave1 Outdoor Unit Master Outdoor unit 3 4 3 4 3 4 Master Ou...

Страница 60: ...cation Line 3 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Master Indoor Units Power supply 3 Phase 3 Wires 60Hz 575V Power supply 1 Phase 60Hz 220 240V Main Switch Slave1 Slave2 Pull Box Installer option Pull Box Installer option Pull Box Installer option R S T Switch L N ELCB ELCB ELCB ELCB Communication ...

Страница 61: ...e possibility of reversed phase lose phase momentary blackout or the power goes on and off while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other parts Heat Pump Between Indoor and Master Outdoor unit Slave1 Outdoor Unit Master Outdoor unit Slave2 Outdoor Unit 3 4 3 4 3 4 Master Outdoor Unit SODU B ...

Страница 62: ...Cable BUS type Connection of transmission cable must be installed like below figure between indoor unit to outdoor unit STAR type Abnormal operation can be caused by com munication defect when connection of transmission cable is installed like below figure STAR type ...

Страница 63: ...ation cable Main power terminal block Ground wire Power Ground cable Over 50mm 1 97inch gap Communication cable Main power terminal block Ground wire Power Ground cable Over 50mm 1 97inch gap Communication cable Fix ﬁrmly not to be displaced Main power terminal block Insulation sleeves attachments ODU IDU Communication cable ODU ODU Communication cable Main power terminal block Ground wire Power G...

Страница 64: ...le e wer Main power terminal block Ground wire Power Ground cable Over 50mm 1 97inch gap Communication cable e wer Main power terminal block Ground wire Power Ground cable Over 50mm 1 97inch gap Communication cable Main power terminal block Insulation sleeves attachments Fix ﬁrmly not to be displaced ODU IDU Communication cable ODU ODU Communication cable e wer Main power terminal block Ground wir...

Страница 65: ...Pump 3 Heat Recovery 38 380V model 46 460V model 22 220V model 57 575V model 1 Full function 2 Core function Checking the setting of outdoor units Checking according to dip switch setting You can check the setting values of the Master outdoor unit from the 7 segment LED The dip switch setting should be changed when the power is OFF Checking the initial display The number is sequentially appeared a...

Страница 66: ...atic Addressing The address of indoor units would be set by Automatic Addressing Wait for 3 minutes after supplying power Master and Slave outdoor units indoor units Press RED button of the outdoor units for 5 seconds SW01C A 88 is indicated on 7 segment LED of the outdoor unit PCB For completing addressing 2 7 minutes are required depending on numbers of connected in door units Numbers of connect...

Страница 67: ...ired remote control or indoor unit display window It is not an error message will disappeared when on off button is pressed on remote control ex Display of 01 02 15 means connection of 15 indoor units and Automatic addressing is completed normally Automatic addressing start Waiting 3 minutes Power On Press RED Button for 5 sec SW01C 7 segment LED 88 Don t press RED Button SW01C Waiting about 2 7 m...

Страница 68: ...ll defrost on oFF selected the option change the set value blank save in EEPROM ODU address 0 255 set the value change the set value blank save in EEPROM Snow removal rapid defrost oFF op1 op3 selected the option change the set value blank save in EEPROM Target pressure adjusting op1 op2 selected the option change the set value blank save in EEPROM Functions save in EEPROM will be kept continuousl...

Страница 69: ...oup 90 9F No A group A0 AF No B group B0 BF No C group C0 CF No D group D0 DF No E group E0 EF No F group F0 FF Group Number setting Group Number setting for Indoor Units Confirm the power of whole system Indoor Unit Outdoor Unit is OFF otherwise turn off The communication cables connected to CEN A and CEN B terminal should be connected to central control of Outdoor Unit with care for their polari...

Страница 70: ...t Function setting Switch control Function Switch Phase Switch Bottom oFF op1 mode op2 mode Right Left Not operate Cooling Cooling Right Right Not operate Heating Heating Left Not operate Fan mode Off CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode If use a function first install a Cool Heat selector Switch Phase Switch Bottom Left side Right sid...

Страница 71: ...atic pressure compensation mode Save the selected option value in EEPROM FAN Maximum RPM of each step 575V Model Capacity 8HP 6Ton 10 14HP 18HP 8 14Ton Max RPM Standard 730 950 op1 800 1020 op2 820 1050 op3 850 1110 Static pressure compensation mode This function secures the air flow rate of ODU in case static pressure has been applied like using duct at fan discharge of ODU Static pressure compen...

Страница 72: ...3 5 12 op4 8 9 op5 6 5 10 5 op6 5 12 op7 8 9 op8 6 5 10 op9 5 12 op10 Continuous operation op11 Continuous operation op12 Continuous operation Capacity Heat Pump 8HP 6Ton 10 14HP 18HP 8 14Ton Step Noise dB op1 op3 op10 55 59 op4 op6 op11 52 56 op7 op9 op12 49 53 CAUTION Request installer to set the function during installation If ODU RPM changes cooling capacity may go down Night Low Noise Functio...

Страница 73: ...n Select the Function using Button Fn4 Push the button Select the Option using Button on oFF Push the button Overall defrost mode is set mode setting CAUTION Ask an authorized technician to setting a function on Operate overall defrost off Operate partial defrost Overall defrost mode mode setting method ...

Страница 74: ...h the button Select the Function using Button Fn5 Push the button Select the Option using Button 0 255 Push the button ODU address is set CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller Setting the ODU address mode setting method ...

Страница 75: ...button Select the Option using Button oFF op1 op3 Push the button Mode is set CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode mode setting setting Mode oFF Not setting op1 Snow removal mode op2 Rapid defrost mode op3 Snow removal mode Rapid defrost mode Snow removal rapid defrost mode setting method ...

Страница 76: ...authorized technician to setting a function If do not use a function set an off mode Change a power consumption or capacity Setting mode Purpose Condensing temperature variation Evaporating temperature variation Heat Cool op1 Increase capacity Increase capacity 3 C 26 6 F 2 C 35 6 F op2 Decrease power consumption Increase capacity 1 5 C 29 3 F 2 C 28 4 F op3 Decrease power consumption Decrease pow...

Страница 77: ...link Low Voltage DC charging is not performed at Master Outdoor Unit after starting relay turn on 2 4 Master Outdoor Unit High Pressure Switch System is turned off by Master Outdoor Unit high pressure switch 2 5 Master Outdoor Unit Input Voltage High Low Voltage Master Outdoor Unit input voltage is over 776V or below 373V ARUN CTE4 2 6 Master Outdoor Unit Inverter Com pressor Start Failure The Fir...

Страница 78: ...cessive capacity of indoor units Excessive connection of indoor units compared to capacity of Outdoor Unit 5 2 Communication error inverter PCB Main PCB Failing to receive inverter signal at main PCB of Master Outdoor Unit 5 3 Communication error indoor unit Main PCB of Outdoor Unit Failing to receive indoor unit signal at main PCB of Outdoor Unit 5 7 Communication error Main PCB inverter PCB Fail...

Страница 79: ... Outlet Temperature Sensor Error 1 1 6 Master Outdoor Unit Oil Level Sensor Error Oil Level Sensor of Master Outdoor Unit is open or short 1 4 5 Master outdoor unit Main Board External Board communication Error Master outdoor unit Main Board External Board communication Error 1 5 1 Failure of operation mode con version at Master Outdoor Unit Failure of operation mode conversion at Master Outdoor U...

Страница 80: ...additionally replenished refrigerant depending on piping length or piping diameter at customer Outdoor unit Indoor unit Outdoor unit Indoor unit Opening Partition In the case of opening without door or 0 15 or more openings to ﬂoor space both above and below door Outdoor unit No 1 system Flow of refrigerant Indoor unit Room where refrigerant leaks Refrigerant of the whole No 1 system ﬂows out 80 C...

Страница 81: ...ntilator Reducing the outdoor refrigerant qty R410A Refrigerant concentration Kg m3 lbs ft3 Total amount of replenished refrigerant in refrigerant facility kg lbs Capacity of smallest room where indoor unit is installed m3 ft3 In case the result of calculation exceeds the limiting concentration perform the same calculations by shifting to the second smallest and the third smallest rooms until at l...

Страница 82: ...nd the wind break for easy air flow Select a well drained place CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunctio...

Страница 83: ...ng contractor of your product as warranty service will be provided by them 2 If you have service issues that have not been addressed by the contractor please call 1 888 865 3026 CANADA Service call Number 888 LG Canada 888 542 2623 ...

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