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Multi Air Conditioner

Flaring Work and Connection of Piping

• This unit has two different installation types:

(1) Ceiling-suspended type and (2) wall-mounted
type.

• Choose the proper installation pattern according to

the location of installation.

• The installation location for printed wiring board can

be changed.
Follow the procedure specified in the "CONNECTING
THE WIRING" section to change the location.

NOTICE

(1) Ceiling-suspended type

(2) Wall-mounted type

Screws(M5)

Screws(M5)
(locally procude)

(locally procude)

Screws(M5)
(locally procude)

BD unit

Six-sided Nut

Six-sided Nut
(M10 or M8)

(M10 or M8)

Six-sided Nut
(M10 or M8)

Hanger metal

Flat washer

Hanging bolt

Hanging bolt
(M10 or M8)

15.00

Procedure

(1) Fix the furnished hanger metal with two screws.(4 locations

in total).

(2) Using an insert-hole-in- anchor, hang the hanging bolt.
(3) Install a hexagon nut and a flat washer (locally-procured)to

the hanging bolt as shown in the figure in the left, and lift the
main unit to hang on the hanger metal.

(4) After checking with a level that the unit is level, tighten the

hexagon nut.
* The tilt of the unit should be within ±5° in front/back and

left/right.

CAUTIONS

• Once a screw-hole on the main unit has had a screw hammered in, make sure to either hammer it again

or cover it with alumium tape.(This is to prevent condensation)

• Be sure to install the unit with the ceiling-side up.
• Do not install near bedrooms. the sound of refrigerant flowing through the piping may sometimes be audible.

(1) Ceiling-suspended type

(2) Wall-mountde type

Installation of The Main Unit

Procedure

(1) Fix the furnished hanger metal with two screws.

(3 locations in total).

(2) After checking with a level that the unit is level, fix the

unit with the furnished wood screws.
* The tilt of the unit should be within ±5° in front/back and

left/right.

* Block up the parts of hanger holes (2 places) by using

insulation PE after installing the hanger.

Содержание AMNW07GDBL1

Страница 1: ...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 Type http www lghvac com www lg com ENGLISH FRANÇAIS ESPAÑOL ...

Страница 2: ...FLEX MULTI SPLIT INSTALLATION INSTRUCTIONS ...

Страница 3: ... the Indoor unit 35 Connect the cable to the Distributor unit 36 Connect the cable to the Outdoor unit 37 Connection method of the connecting cable Example 39 Checking the Drainage Insulating the Pipe and Special Piping Applications 40 Checking the drainage 40 Insulating the Pipe and Special Piping Applications 40 Air Purging and Evacuation 41 Leak Checking 41 Evacuation 42 Charging 43 Installatio...

Страница 4: ...ype C screw Type B screw Type C screw Remote control holder Remote control holder Type 3 Type 4 Installation plate Installation plate Name Quantity Shape for gas pipe for liquid pipe Clamp metal 1 EA Insulation for fitting 1 set Clamp 8 EA Screws for duct flanges 1 set Conduit Bracket Screw M4 2EA Conduit Bracket 1 EA Name Quantity Shape for gas pipe Conduit Bracket Screw M4 2EA for liquid pipe Cl...

Страница 5: ... electri cal shock Donʼt use a power cord a plug or a loose socket which is damaged Otherwise it may cause a fire or electrical shock For installation of the product always contact the service cen ter or a professional installation agency Otherwise it may cause a fire electrical shock explosion or in jury Securely attach the electrical part cover to the indoor unit and the service panel to the out...

Страница 6: ... dropping of the unit or falling down Do not place a heavy object on the power cord Otherwise it may cause a fire or electrical shock When the product is sub merged into water always contact the service center Otherwise it may cause a fire or electrical shock Do not share the outlet with other appliances It will cause an electric shock or a fire due to heat generation Do not use the damaged power ...

Страница 7: ...oduct Keep level parallel in installing the product Otherwise it may cause vibration or water leak age Avoid excessive cooling and perform venti lation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may de teriorate change color or develop surface flaws Do not use an appliance for specia...

Страница 8: ...vice Space Ceiling A B Capacity Btu h class A B 9 12k 600 23 5 8 900 35 7 16 18k 600 23 5 8 1100 43 5 16 Unit mm inch Ceiling Concealed Duct Type Ceiling Cassette Type ART COOL Gallery Suitable dimention H is necessary to get a slope to drain as show in the figure 600 23 5 8 600 23 5 8 Inspection hole 600 23 5 8 x 600 23 5 8 Control box Ceiling Ceiling Board Ceiling Board Floor Unit mm inch At lea...

Страница 9: ...nts 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 sound from the air conditioner does not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensure the roof struc ture and anchoring method are adequate fo...

Страница 10: ...tdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opposite side of the sea wind direction 2 In case to install the outdoor unit on the seaside set up a windbreaker barrier to lessen the unit s exposure to sea air 3 Select a well drained place It should be strong enough like concrete to obstruct the wind from the sea...

Страница 11: ...ole the system may malfunction If it is installed at snowy area attach the hood to the system Install the outdoor unit at the higher installation console by 50cm 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 always re move snow for operation 1 The height of H frame m...

Страница 12: ... 75 246 25 82 3 10 15 49 7 5 25 33k 36k 75 246 25 82 3 10 15 49 7 5 25 48k Outdoor Unit Capacity Btu h class Max total length of all pipes A B A B C A B C D Max length of each pipe A B C D Min length of each pipe A B C D Max Elevation between each indoor unit and outdoor unit h1 Max elevation between indoor units h2 Max Combination of Indoor unit Btu h class Indoor unit Capacity Btu h class Pipe D...

Страница 13: ...total length of all pipes Main Branch pipes Max length of Main pipe A B C Max length of Branch pipes Max length of each Branch pipe Min length of each pipe Main Branch pipes Max Elevation Between each indoor unit and outdoor unit h1 Max Eleva tion Between in door h2 Max Combi nation of indoor unit 54k 145 476 55 180 90 295 15 49 3 10 30 98 15 49 73k Indoor unit Capacity Btu h class Pipe Diameter U...

Страница 14: ...piping hole 5 Insert the connecting cable into the indoor unit Don t connect the cable to the indoor unit Make a small loop with the cable for easy connection later 6 Tape the tubing and drain hose 7 Indoor unit installation Hang the indoor unit from the hooks at the top of the installation plate Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of th...

Страница 15: ...ng holder Backwards Left Pipe Port 5 Indoor unit installation 1 Hook the indoor unit onto the upper portion of the installation plate engage the three hooks at the top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are properly seated on the installation plate by moving it left and right 2 Unlock the tubing holder from the chassis and mount between the chass...

Страница 16: ... tubing Open end wrench fixed Connection pipe Flare nut Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to slowly downward Bad case Bending the pipe from right to left may cause damage to the tubing Outside diameter Torque mm inch N m kgf m lbf ft Ø6 3...

Страница 17: ...Artcool Libero Type 1 Mount the tubing holder in the original positon 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound 4 Finish the assembly by screwing the unit to the installation plate by using two pieces of typ...

Страница 18: ...ilter Ø70 2 3 4 Ø70 2 3 4 110 4 11 32 110 4 11 32 90 317 32 70 2 3 4 Chassis Hook Installation Plate Type A Left rear piping Right rear piping Ø70 2 3 4 133 5 1 4 Ø70 2 3 4 100 3 15 16 Chassis Hook Installation Plate Type A Left rear piping Right rear piping Ø70 2 3 4 133 5 1 4 95 5 3 4 217 8 17 32 175 6 7 8 442 17 13 32 442 17 13 32 Ø70 2 3 4 Installation Plate Enganche del chasis Type A Screws R...

Страница 19: ...the Grille and engage four tabs on the top inside edge of the chassis Press the Grille toward the chassis until it goes back into place Connecting cable Conduit connection 1 Set the connecting cable into the terminal block of indoor unit and tighten set screw to lock the conduit bracket to the indoor unit 2 Join the conduit and the conduit bracket to gether Connecting cable Lock nut Conduit Condui...

Страница 20: ... enough to cover all noxious gases from this place Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam 2 Avoid installng air conditioner in such places where cook ing oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequenc...

Страница 21: ...ling surface The following parts are local purchasing 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 from falling off Wiring Connection How to Fix 1 L1 2 L2 3 4 5 Terminal Block of Indoor Unit Connected to outdoor unit OPTION TO AIR FRESH KIT TQ TR series Connecting Cable Conduit Screw Conduit bracket Conduit connectio...

Страница 22: ...ler board fit to the reclamation box if there is a reclamation box Install the product so as not to make a gap with the wall side and to prevent shaking after the installation 2 Can set up Wired remote controller cable into three directions Setup direction the surface of wall reclamation upper right If setting up remote controller cable into upper and right side please set up after removing remote...

Страница 23: ...ividually separate one at a time Please be careful not to damage the inside components when separating 4 Please connect indoor unit and remote controller using connection cable 5 Please use extension cable if the distance between wired remote controller and indoor unit is more than 10m 32 8ft Please check if connector is normally connected Connecting cable Indoor Unit side When installing the wire...

Страница 24: ...nel 2 Remove the Corner covers of the panel 3 Fit the panel on the unit by inserting hooks as shown in picture 4 Insert two screws on diagonal corners of panel Do not tighten the bolts completely The fixing screws are included in the in door unit box Check the alignment of panel with the ceiling Height can be adjusted using hanging bolts as shown in picture Insert the other two screws and tighten ...

Страница 25: ... Connect one display connector and two vane control connectors of front panel to indoor unit PCB The position marking on PCB is as Display connector CN DISPLAY Vane control connector CN VANE 1 2 8 Close the cover for control box 9 Install the air inlet grille and Filter on the panel Screw CN VANE 1 2 CN DISPLAY ...

Страница 26: ...d confirmed that there is not any default However if it is oper ated for a long time in high humid at mosphere dew point temperature more than 23 C 73 4 F water drops are li able to fall In this case add heat insula tion material according to the following procedure Heat insulation material to be prepared Adiabatic glass wool with thickness 10 to 20mm Stick glass wool on all air conditioners that ...

Страница 27: ...eave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal op erating and noise when electrical wiring is com plete When the test is complete connect the flexible drain hose to the drain port on the indoor unit The air conditioner uses a drain pump to drain water Use the following procedure ...

Страница 28: ...ation Prevent any upward flow or reverse flow in any part 3 5mm 3 16 inch or thicker formed thermal in sulator is provided for the drain pipe 4 Upward routing is not allowed 5 Be sure to check the drain pump for normal operation and abnormal noise when electri cal wiring is complete 1 50 1 100 MAX 700mm 27 9 16 inch Elbow Drain pump Unit Drain pipe Local supply Thermal insulator Local supply Wall ...

Страница 29: ...nut on n 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 n 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 n Compare the flared work with figure n If flare is noted to be defe...

Страница 30: ... When tightening the flare nut with torque wrench ensure the direction for tightening fol lows the arrow on the wrench Ø12 7 1 2 inch Connector Outdoor unit Liquid side piping Main liguid side valve Main gas side valve ROOM A ROOM B ROOM C Gas side piping Connection of piping Outdoor Outside diameter Torque mm inch N m kgf m lbf ft Ø6 35 1 4 14 18 1 4 1 8 10 13 Ø9 52 3 8 34 42 3 5 4 3 25 31 Ø12 7 ...

Страница 31: ... Figure3 Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure 3 Insects or small animals entering the outdoor unit may cause a short circuit in the electrical box Forward Sideways Backward Knock out Base pan Downward Gas side piping Bigger Dia Liquid side piping Smaller Dia Putty or insulating material produced locally Drain hose...

Страница 32: ... Within 10 A Ø9 52 Ø9 52 Ø9 52 Ø19 05 Y branch A B To Outdoor Unit unit mm To BD Unit A B Liquid and gas pipe joints Insulator included with kit Insulator for field piping Tape field supply Liquid and gas pipe joints Insulation Branch Ensure that the branch pipes are attached horizontally or vertically see the diagram below Branch pipe should be insulated with the insulator in each kit ...

Страница 33: ...iling suspended installation and wall mounted installation This unit does not require drain treatment as it uses internal foam treatment as low pressure piping insulation Service direction is the side B and C The piping for the indoor unit may be led around in direction A The inclination of side B must be within 5 degrees forward or back or to the sides Min 400 15 3 4 Min 30 1 3 16 Min 100 3 15 16...

Страница 34: ...hanging bolt 3 Install a hexagon nut and a flat washer locally procured to the hanging bolt as shown in the figure in the left and lift the main unit to hang on the hanger metal 4 After checking with a level that the unit is level tighten the hexagon nut The tilt of the unit should be within 5 in front back and left right CAUTIONS Once a screw hole on the main unit has had a screw hammered in make...

Страница 35: ...it breaker between power source and the outdoor unit as shown below RECOMMENDATION The power cord connected to the outdoor unit should comply with the following specifications NRTL Recognized for example UL or ETL recognized and CSA certified Air Conditioner Main power source Circuit Breaker Use a circuit breaker or time delay fuse Line voltage 208 230V GN YL 20mm 25 32 inch GN YL 20mm 25 32 inch ...

Страница 36: ... Follow the instructions on the wiring nameplate to connect the connection wires of indoor outdoor units to terminal board numbers 1 2 and 3 Always fix each ground wire separately with a ground screw See the figure below After completing the wiring fix the outer coating of wires securely with wire clamps The wire clamp on indoor unit side is furnished Follow the procedure below to install Refer to...

Страница 37: ...it Terminal Block D Unit Indoor Unit Terminal Block E Unit Indoor Unit Terminal Block F Unit Indoor Unit Terminal Block G Unit Indoor Unit Terminal Block H Unit 18kBtu h class 24kBtu h class 36 kBtu h class 54 kBtu h class BD Unit A BD Unit A A Room B Room C Room D Room A Room B Room C Room D Room BD Unit B BD Unit B 1 L1 2 L2 3 A 1 L1 2 L2 3 B L1 L2 L L1 N L2 S L L1 N L2 S 1 L1 2 L2 3 L L1 N L2 S...

Страница 38: ...e should be enclosed in conduit WARNING Be sure to comply with local and national codes while running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts The communication wirings of air conditioner should be separate and isolated from extern...

Страница 39: ...nals and fasten the wire tightly with the fixing screw of the terminal plate How to connect wiring to the terminals For strand wiring 1 Cut the wire end with a wire cutter or wire cut ting pliers then strip the insulation to expose the strand wiring about 10 mm 3 8 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a round terminal fastener or pliers se curely clamp ea...

Страница 40: ...ses where the Outdoor unit is installed above the Indoor unit per form 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 Secure the piping onto the wall using a saddle or equivalent Trap is required to prevent water from entering into electrical parts Plastic band Taping Drain hose...

Страница 41: ...rvice port with charge hoses CAUTION Be sure to use a manifold valve for leak testing The high side manifold valve must always be kept closed Pressurize the system to no more than 550 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 550 P S I G Next test for leaks with liquid soap CAUTION To avoid nitrogen enter ing the refrigerant system in a liquid state ...

Страница 42: ...open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pres sure then remove the hose 4 Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system 5 Replace the valve caps at both gas and liquid side service valves and ...

Страница 43: ...164 25 82 3 9 8 20 0 22 15 49 2 24k 75 246 25 82 3 9 8 20 0 22 22 5 74 36k 75 246 25 82 3 9 8 20 0 22 30 98 4 Outdoor Unit Ca pacity Btu h class Max total length of all pipes A B A B C A B C D Max length of each pipe A B C D Min length of each pipe A B C D Additional Refrigerant Unit g m oz ft Standard Total Piping Length NoAdd l re frigerant Unit m ft Unit m ft Each branch pipe a 82ft b 16ft c 49...

Страница 44: ...ngth Main Standard Length x 0 55 A Room Branch Length Standard Length x 0 22 B Room Branch Length Standard Length x 0 22 C Room Branch Length Standard Length x 0 22 CF Correction Factor x 3 53 h CF Max number of connectable indoor unit Total number of connected indoor unit Total main pipe A B C 98ft Each branch pipe a 33ft b 26ft c 16 4ft d 10ft e 33ft v Additional Charge 98 16 4 0 55 33 16 4 0 22...

Страница 45: ...or Central Controller is installed LGAP Sub PCB for Central Controller is installed Please connect the wire after installing the LGAP Please connect the wire after installing the LGAP This is the space for installatio n of PI485 Gateway This is the space for installatio n of PI485 Gateway Accesso ry Accesso ry Please connect the wire after installing PI485 Please connect the wire after installing ...

Страница 46: ...nd wiring have been properly connected Check that the gas and liquid side service valves are fully open Bolt Tubing connection Discharge temperature Discharge air Intake temperature Discharge temperature Discharge air Intake temperature Discharge temperature Discharge air Intake temperature Test Running Use 2 AAA 1 5volt batteries Do not use rechargeable batteries Remove the batteries from the rem...

Страница 47: ...Mode Lock Cooling Night Quiet Mode Step 1 Mode Lock Cooling Night Quiet Mode Step 2 Mode Lock Cooling Saving Power Consumption Step 1 Mode Lock Cooling Saving Power Consumption Step 2 Mode Lock Heating Saving Power Consumption Step 1 Mode Lock Heating Saving Power Consumption Step 2 Function Dip S W Setting WARNING When you set the dip switch you should turn off the circuit breaker or shut the pow...

Страница 48: ...ter shutting the power source down 2 Reset the power 3 Check that the Red LED of PCB is on during work The indoor unit is operated by force 4 Add the specific amount of refrigerant CAUTION When the green LED of PCB is on compressor is going to be off because of low pressure You should return the Dip Switch to operate normally after finishing the operation Forced Cooling Operation ...

Страница 49: ...hutting the power source down 2 Reset the power 3 Check that the Re and Green LED of PCB are on during work The indoor unit is oper ated by force 4 If the wiring is correct the Green LED will light up If the wiring is wrong display as below Display only wrong connection Red LED Piping Number Green LED Wiring Number Room 5 You should return the Dip Switch to operate normally after finishing wiring ...

Страница 50: ...aving Power Consumption step 1 Mode Lock Cooling Saving Power Consumption step 2 Mode Lock Cooling Saving Power Consumption step 1 Mode Lock Heating Saving Power Consumption step 2 Mode Lock Heating Mode Lock Cooling Night Quiet Mode step 1 Mode Lock Cooling Night Quiet Mode step 2 Step 1 Step 2 h Noise level Step 1 Step 2 Night Quiet Mode CAUTION If comp frequency and fan speed are down the cooli...

Страница 51: ...ode Saving Power Consumption with Mode Lock Mode Lock Cooling Night Quiet Mode step 1 Mode Lock Cooling Night Quiet Mode step 2 Mode Lock Cooling Saving Power Consumption step 1 Mode Lock Heating Saving Power Consumption step 1 Mode Lock Cooling Saving Power Consumption step 2 Mode Lock Heating Saving Power Consumption step 2 Only Cooling Mode Only Heating Mode Mode Lock ...

Страница 52: ...e 2page 1 time Low Pressure 890kpa ʻLPʼ ʼ 89ʼ 2 time Hi Pressure 2900kpa ʻHPʼ ʻ290ʼ 3 time Discharge Temp 85 C ʻDSʼ ʼ 85ʼ 4 time Cond Out Temp 10 C ʻCSʼ ʻ 10ʼ 5 time Suction Temp 10 C ʻSSʼ ʻ 10ʼ 6 time ODU Air Temp 10 C ʻASʼ ʻ 10ʼ 7 time Current 15A ʻAʼ ʻ 15ʼ 8 time Voltage 230V ʻVʼ ʻ230ʼ 9 time Comp Hz 100Hz ʻFʼ ʻ100ʼ 10 time DC Link Voltage 230V ʻdcʼ ʻ230ʼ TACT SW1 PCB Display 18 24k Model Only ...

Страница 53: ...36 Wall mounted SB AMNW07GDBL1 LMN077HVT AMNW09GDBL1 LMN097HVT AMNW12GDBL1 LMN127HVT AMNW15GDBL1 LMN157HVT SC 18K O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 24K O O O 24K O O O O O O O AMNW18GDCL1 LMN187HVT AMNW24GDCL1 LMN247HVT ART COOL Mirror SB AMNW09GDBR1 LMAN097HVT AMNW12GDBR1 LMAN127HVT SC AMNW18GDCR1 LMAN187HVT ART COOL Gallery SF AMNW09GAF11 LMAN097HVP AMNW12GAF11 LMAN...

Страница 54: ...54 Multi Air Conditioner ...

Страница 55: ...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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