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LG
Air Conditioner
INSTALLATION MANUAL
Type : Wall Mounted
MODEL : LSN090HSV/LSU090HSV
LSN120HSV/LSU120HSV
http://www.lgservice.com
IMPORTANT
• Please read this instruction 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.
LG
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Table of Contents
Related Manuals for LG LSN120HSV
Summary of Contents for LG LSN120HSV
- Page 1 Air Conditioner INSTALLATION MANUAL Type : Wall Mounted MODEL : LSN090HSV/LSU090HSV LSN120HSV/LSU120HSV IMPORTANT • Please read this instruction manual completely before installing the product. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
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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......4 ❏ Connecting cable ❏ Screw driver ❏ Installation guide map ❏ Electric drill Introduction ........7 Symbols used in this Manual..7 ❏... - Page 3 Wall Mounted Mini-Split System Single Zone INSTALLATION INSTRUCTIONS IMPORTANT! Please read this instruction sheet completely before installing the product. This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. WARNING •...
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Page 4: 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 5 Safety Precautions Do not install the product at a place that there Use caution when unpacking and installing. is concern of falling down. • Otherwise, it may result in personal injury. • Sharp edges may cause injury. I Operation Do not share the outlet with Do not use the damaged Do not modify or extend the other appliances.
- Page 6 Safety Precautions I Installation Install the drain hose to ensure that drain Install the product so that the noise or hot can be securely done. wind from the outdoor unit may not cause any damage to the neighbors. • Otherwise, it may cause water leakage. •...
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Page 7: 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. Installation Manual 7... -
Page 8: Installation
Installation Installation Read carefully, and then follow step by step. Installation Parts Installation plate Type "A" screw The feature can be changed according to a type of model. Remote control holder Type "B" screw Type "C" screw Installation Tools Figure Name Figure Name... -
Page 9: 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 10: 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. 10cm(3.9in) More than 2. Select a place where there are no obstacles 20cm(7.9in) around of the unit. 3. Make sure that condensation drainage can be More than conveniently routed away. -
Page 11: Fixing Installation Plate
Indoor unit Fixing Installation Plate The wall you select should be strong and solid enough to prevent vibration 1. Mount the installation plate on the wall with Installation Plate type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. •... -
Page 12: 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 13: Connecting The Piping
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 14 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 Installation 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 Installation plate moving it left and right...
- Page 16 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 17 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 Wrap with vinyl tape Vinyl tape (wide)
- Page 18 Installation Outdoor unit 1. Remove the tubing cover from the unit by loosening the screw. 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 19: Connecting The Cables
Installation Connecting the Cables Indoor 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. are the same as those of the indoor unit.) •... - Page 20 Installation Outdoor 1. Remove the cover control from the unit by loosening the screw. Connect the wires to the terminals on the Terminal block control board individually as the following. Over 5mm 2. Secure the cable onto the control board with (0.2") the holder (clamper).
- Page 21 Installation Power supply cable How to connect wiring to the terminals For strand wiring Strand wire (1) Cut the wire end with a wire cutter or wire- cutting pliers, then strip the insulation to expose the strand wiring about 10mm(3/8in). Round (2) Using a screwdriver, remove the terminal terminal...
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Page 22: Checking The Drainage
Installation Checking the Drainage To check the drainage. 1. Pour a glass of water on the evaporator. 2. Ensure the water flows through the drain Connecting area drain hose hose of the indoor unit without any leakage and goes out the drain exit. Leakage checking Drain pan... -
Page 23: Forming The Piping
Installation Forming the Piping In cases where the outdoor unit is installed below the indoor unit Seal small openings around pipings with a perform the following. gum type sealant. 1. Tape the piping, drain hose and connecting cable from down to up. Connecting cable (Conduit) Saddle... -
Page 24: 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 25 Installation Soap water method 1. Remove the caps from the 2-way and 3-way valves. 2. Remove the service-port cap from the 3-way valve. Liquid side 3. Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of Gas side the connecting points of the piping.
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Page 26: 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 27 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.
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Page 28: 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 29: Piping Length And Elevation
Installation Piping Length and Elevation Pipe Size Max. Max. Standard Additional Capacity Elevation Length Length Length LIQUID Refrigerant (g/m) (Btu/h) B m(ft) A m(ft) A m(ft) m(ft) (after 12.5 m) inch inch 9k, 12k Ø9.52 3/8 Ø6.35 7.5(25) 10(33) 2(6.6) 20(66) Indoor unit Outdoor unit... - Page 30 30 Air Conditioner...
- Page 31 P/No.: MFL59506804 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.