Table of Contents
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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.
LG
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Table of Contents
Related Manuals for LG R18AWN-NC9
Summary of Contents for LG R18AWN-NC9
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Page 1: Installation Manual
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 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. -
Page 2: Table Of Contents
Air Conditioner Installation Manual CONTENTS Installation Required Parts Required Tools Requirements ❏ Some pieces of type "A" screws ❏ Level gauge Safety Precautions......3 ❏ Connecting cable ❏ Screw driver ❏ Installation guide map ❏ Electric drill Introduction ........6 Symbols used in this manual..6 ❏... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. I Be sure to read before installing the air conditioner. I Be sure to observe the cautions specified here as they include important items related to safety. I Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions When installing the unit, use the installation kit provided with the product. • Otherwise the unit may fall and cause severe injury. Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. •...
- Page 5 Safety Precautions Two or more people must 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. Install the drain hose to ensure that the condensed water is drained away properly.
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Page 6: Introduction
Introduction Introduction Symbols used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air conditioner. NOTICE This symbol indicates special notes. The figure of product can be different according to the type of model. 6 Air Conditioner... -
Page 7: Installation
Installation Installation Read carefully, and then follow step by step. Installation Parts Installation plate Type "A" screw The feature can be changed according a type of model. Type "B" screw Type "C" screw Remote control holder Installation Tools Figure Name Figure Name Screw driver... -
Page 8: Installation Map
Installation Installation Map 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. Vinyl tape (Wide) • Apply after carrying out a drainage test. • To carry out the drainage test, remove the air filters Saddle and pour water into the heat... -
Page 9: Select The Best Location
Installation Select the best Location Indoor unit 1. There should not be any heat or steam near More than the unit. More than 200 2. Select a place where there are no obstacles around of the unit. 3. Make sure that condensation drainage can be More than conveniently routed away. -
Page 10: Fixing Installation Plate
Indoor unit Indoor unit Fixing Installation Plate 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. -
Page 11: Flaring Work
Installation Flaring Work Main cause for gas leakage is due to defect of flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable. 1. Use the piping kit accessory or the pipes purchased locally. Copper Slanted Uneven Rough 2. -
Page 12: Installation Of Indoor Unit
Installation Check 1. Compare the flared work with the figure by. Smooth all round Inside is shiny without scratches 2. If a flared section is defective, cut it off and do flaring work again. = Improper flaring = Inclined Surface Cracked Uneven damaged thickness... - Page 13 Installation Connecting the Piping (1) Pull the screw cap at the bottom of the indoor unit (2) Remove the chassis cover from the unit by loosing 3 screws (Be careful not to scratch Horizontal Vane Main!) Chassis Cover (3) Pull back the tubing holder. Indoor unit back side view (4) Remove pipe port cover and position the tubing.
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Page 14: Good Case
Installation Installation Information. 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. 14 Air Conditioner... - Page 15 Installation 3. Tape the tubing pipe, drain hose and the connection cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause overflow from the drain pan through the inside of the unit. 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.
- Page 16 Installation Wrap the insulation material around the Insulation material 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 may be no gap. Indoor unit pipe Connection pipe 2.
- Page 17 Installation Outdoor unit 1. Remove the tubing cover from the unit by 1(L) 2(N) 3(C) loosening the screw. Terminal Block Cover control Tubing Cover 2. Align the center of the pipings and sufficiently tighten the flare nut by hand. 3. Finally, tighten the flare nut with torque wrench until the wrench clicks.
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Page 18: Connecting The Cables
Installation Connecting the Cables Indoor unit Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. - Page 19 Installation Outdoor unit 1. Connect the wires to the terminals on the 1(L) 2(N) 3(C) control board individually. 2. Secure the cable onto the control board with Outdoor Unit Outdoor Unit Outdoor Unit the cord clamp. 3. Use a recognized circuit breaker between the power source and the unit.
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Page 20: Checking The Drainage
Installation Checking the Drainage To check the drainage. 1. Pour a glass of water on the evaporator. Connecting area 2. Ensure the water flows through the drain drain hose hose of the indoor unit without any leakage and goes out the drain exit. Leakage checking Drain Pan... -
Page 21: Forming The Piping
Installation Forming the Piping Form the piping by wrapping the Pipe connecting portion of the indoor unit Drain hose with insulation material and secure it Vinyl tape(narrow) with two kinds of vinyl tapes. • If you want to connect an additional drain hose, the end of the drain outlet should be Wrap with routed above the ground. -
Page 22: Air Purging
Installation Air Purging The air and moisture remaining in the refrigerant system have undesirable effects as indicated below. 1. Pressure in the system rises. 2. Operating current rises. 3. Cooling(or heating) efficiency drops. 4. Moisture in the refrigerant circuit may freeze and block capillary tubing. 5. -
Page 23: Finishing The Job
Installation Soap water method Outdoor unit 1. Remove the caps from the 2-way and 3-way valves. 2. Remove the service-port cap from the 3-way valve. 3. Apply a soap water or a liquid neutral detergent on Gas side the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of 3-way valve Liquid side... -
Page 24: Test Running
Installation Test Running 1. Check that all tubing and wiring are properly connected. 2. Check that the gas and liquid side service valves are fully open. Prepare remote controller 1. Remove the battery cover by pulling it according to the arrow direction. 2. -
Page 25: Pump Down
Installation Settlement of outdoor unit Bolt 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 wind and earthquake. -
Page 26: Installation Guide At The Seaside
3) Select a well-drained place. 1. If you can’t meet above guide 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... -
Page 27: Piping Length And Elevation
Installation Piping Length and Elevation Pipe Size Standard Max. Max. Capacity Additional Length Elevation Length LIQUID (Btu) Refrigerant (g/m) B (m) A (m) inch inch Ø12.7 Ø6.35 22k, 24k, 28k Ø15.88 Ø9.52 Indoor unit Outdoor unit Indoor unit Outdoor unit Capacity is based on standard length and maximum allowable length is on the basis of reliability. - 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.