LG R18AWN-NC9 Installation Manual Download

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LG
Air Conditioner

INSTALLATION MANUAL

Type : Wall Mounted

Indoor Unit
R18AWN-NC9
R22AWN-NC9
R24AWN-NC9
R28AWN-NC9

Outdoor Unit
R18AWN-UC9
R22AWN-UC9
R24AWN-UC9
R28AWN-UC9

http://www.lgservice.com

IMPORTANT

• Please read this instruction manual completely before

installing the product.

• When the power cord is damaged, replacement should 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.

Summary of Contents for R18AWN-NC9

Page 1: ...vice com IMPORTANT Please read this instruction manual completely before installing the product When the power cord is damaged replacement should 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: ... at the seaside 26 Piping Length and Elevation 27 Some pieces of type A screws Connecting cable Installation guide map Pipes Gas side Liquid side Insulation materials Additional drain pipe Outer diameter 15 5mm Some pieces of type B screws Some pieces of type C screws Level gauge Screw driver Electric drill Hole core drill ø70mm Horizontal meter Flaring tool set Specified torque wrenches 1 8kg m 4...

Page 3: ...re or electric shock Always ground the product as per the wiring diagram Do not connect the ground wire to gas or water pipes lightening rod or telephone ground wire There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock due to dust water etc Use the correctly rated breaker or fuse There is risk of fire or electric sh...

Page 4: ...water sources There is risk of fire failure of the product or electric shock Do not store or use or even allow flammable gas or combustibles near the product There is risk of fire Do not use the product in a tightly closed space for a long time Perform ventilation regularly Oxygen deficiency could occur and hence harm your health Do not open the front grille of the product during operation Do not ...

Page 5: ...king and installing the product Sharp edges could cause injury If the refrigerant gas leaks during the repair do not touch the leakaing refrigerant gas The refrigernat gas can cause frostbite cold burn Do not tilt the unit when removing or uninstalling it The condensed water inside can spill Do not mix air or gas other than the specified refrigerant used in the system If air enters the refrigerant...

Page 6: ... according to the type of model Introduction This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Introduction Symbols used in this Manual ...

Page 7: ...e Figure Figure Name Screw driver Electric drill Measuring tape Knife Hole core drill Spanner Torque wrench Multi meter Hexagonal wrench Ammeter Gas leak detector Thermometer Level Flaring tool set Name Installation Manual 7 Installation Installation Parts Installation Tools Installation Read carefully and then follow step by step ...

Page 8: ...ter into the heat exchanger Saddle Gas side piping Optional Parts Liquid side piping Optional Parts Additional drain pipe Vinyl tape Narrow Drain Hose Installation plate Sleeve Bushing Sleeve Putty Gum Type Sealant Bend the pipe as closely on the wall as possible but be careful that it doesn t break You should purchase the installation parts NOTICE The feature can be changed according a type of mo...

Page 9: ...he unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted 2 Ensure that the space around the back and sides is more than 300mm The space in front of the unit should be more than 700mm of space 3 Do not place animals and plants in the path of the warm air 4 Take the weight of the air conditioner into account and select a place where noise...

Page 10: ... wall use anchor bolts Mount the installation plate horizontally by aligning the centerline using Horizontal meter 1 Measure the wall and mark the centerline It is also 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 Fixing I...

Page 11: ...d of the copper tube pipe in a downward direction while removing burrs location is also changed in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after finishing flare work Flaring work 1 Firmly hold copper pipe in a bar with the dimension shown i...

Page 12: ...nstallation of Indoor Unit 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 chassis and installation plate in order ...

Page 13: ...m of the indoor unit 2 Remove the chassis cover from the unit by loosing 3 screws Be careful not to scratch Horizontal Vane Main 3 Pull back the tubing holder 4 Remove pipe port cover and position the tubing Chassis Cover Right Indoor unit back side view Tubing holder Backwards Left Pipe Port ...

Page 14: ...ion For right piping Follow the instruction below Good case Press on the tubing cover and unfold the tubing to downward slowly And then bend to the left side slowly Bad case Following bending case from right to left directly may cause damage to the tubing ...

Page 15: ...tion pipe and drain hose to the indoor unit 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When needed to extend the drain hose of indoor unit assembly the drain pipe as shown on the drawing Connecting pipe Connecting cable Tape Drain hose mm inch kgf m Ø6 35 1 4 1 8 2 5 Ø9 52 3 8 3 4 4 2 Ø12 7 1 2 5 5 6 5 Ø15 88 5 8 6 3 8 2 Ø...

Page 16: ...g housing section Finishing the indoor unit installation 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 installa...

Page 17: ...ure the direction for tightening follows the arrow on the wrench Liquid side piping Smaller diameter Torque wrench Gas side piping Bigger diameter Outdoor unit mm inch kgf m Ø6 35 1 4 1 8 2 5 Ø9 52 3 8 3 4 4 2 Ø12 7 1 2 5 5 6 5 Ø15 88 5 8 6 3 8 2 Ø19 05 3 4 9 9 12 1 Outside diameter Torque Installation Outdoor unit 1 Remove the tubing cover from the unit by loosening the screw Cover control Tubing...

Page 18: ...lor codes referring to the wiring diagram The power cord connected to the unit should be selected according to the following specifications Type B approved by HAR or SAA The power connecting cable connecting the indoor and outdoor unit should be selected according to the following specifications Type B approved by HAR or SAA 18k 22k 24k 28k 1 5 2 5 Unit A Indoor Indoor Cable Type B H05VV F H05VV F...

Page 19: ...e sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See 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 source specification Particularly note the...

Page 20: ...leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping like the following Drain Pan Drain Hose Leakage Checking Connecting area drain hose Leakage checking Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap Water leakage ...

Page 21: ...wn to up 2 Secure the tapped piping along the exterior wall using saddle or equivalent In cases where the Outdoor unit is installed above the 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 using saddle or equivalent Drain hose Vin...

Page 22: ...uges and dry nitrogen gas cylinder to this service port with charge hoses Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The knob of the 3 way valve must always be kept close Pressurize the system to not more than 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 150 P S I G Next test for leaks wi...

Page 23: ...rvice valve wrench turn the valve of liquid side counter clockwise to fully open the valve 2 Turn the valve of gas side 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 the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable...

Page 24: ...ree filter into the right case 3 Detach two nitto tapes from the plasma filter Prepare remote controller 1 Remove the battery cover by pulling it according to the arrow direction 2 Insert new batteries making sure that the and of battery are installed correctly 3 Reattach the cover by pushing it back into position Use 2 AAA 1 5volt batteries Do not use rechargeable batteries Remove the batteries f...

Page 25: ...e gas side valve and then quickly turn off the unit Now Pump Down procedure is completed and all refrigerant is collected into the outdoor unit Settlement of outdoor unit 1 Fix the outdoor unit with a bolt and nut ø10mm tightly and horizontally on a concrete or rigid mount 2 When installing on the wall roof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of ...

Page 26: ... 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 then direct exposure to the sea wind should be avoided Install the outdoor unit on...

Page 27: ...5 30 35 Pipe Size Capacity Btu GAS LIQUID mm inch mm inch Additional Refrigerant g m Standard Length m Max Elevation B m Max Length A m Outdoor unit Indoor unit A B Outdoor unit Indoor unit A B Capacity is based on standard length and maximum allowable length is on the basis of reliability Additional refrigerant must be charged after 7 5m ...

Page 28: ...P No MFL59506813 Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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