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INSTALLATION MANUAL
AIR CONDITIONER
• Please read this installation 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.
TYPE : WALL MOUNTED
P/NO : MFL59506828
www.lg.com
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Related Manuals for LG MFL59506828
Summary of Contents for LG MFL59506828
- Page 1 • Please read this installation 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. TYPE : WALL MOUNTED www.lg.com P/NO : MFL59506828...
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Page 2: Table Of Contents
Room Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements ❏ Four type "A" screws & plastic ❏ Level gauge Safety Precautions......4 anchors ❏ Screw driver ❏ Connecting cable ❏ 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. ■ Be sure to read before installing the air conditioner. ■ Be sure to observe the cautions specified here as they include important items related to safety. ■... - 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. ■ Operation Do not share the outlet with Do not use the damaged Do not modify or extend the other appliances.
- Page 6 Safety Precautions ■ 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. Features Air Inlet Front Panel Air Filter Signal Receptor... -
Page 8: Installation
Installation Installation Read carefully, and then follow step by step. Installation Parts Installation plate Type "A" screw and plastic anchor Type "B" screw Remote control holder Installation Tools Figure Name Figure Name Screw driver Ohmmeter Electric drill Hexagonal wrench Measuring tape, Knife Ammeter Hole core drill Gas-leak detector... -
Page 9: Installation Map
Installation Installation Map NOTICE Installation parts you should purchase. � � Installation plate Sleeve Bushing-Sleeve Putty(Gum Type Sealer) Bend the pipe as closely � on the wall as possible, � but be careful that it � doesn't break. Air Discarge Operation Indication Lamps/�... -
Page 10: Selecting 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 More than be conveniently routed away. -
Page 11: Piping Length And Elevation
Installation Piping Length and Elevation Pipe Size Standard Max. Max. Capacity Additional Length Elevation Length LIQUID (Btu/h) Refrigerant (g/m) m (ft) B m(ft) A m(ft) inch inch 24k/36k Ø15.88 Ø9.52 7.5(25) 15(50) 30(99) 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 12: Fixing Installation Plate
Installation Fixing Installation Plate The wall you select should be strong and Installation Plate solid enough to prevent vibration 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. •... -
Page 13: Flaring Work
Installation Flaring Work Main cause for gas leakage is due to defect in 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 pipe... -
Page 14: 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 15 Installation 4. Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks Connecting� �cable of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure Drain hose that the hooks are properly seated on the installation plate by moving it left and right.
- Page 16 Installation For left rear piping 1. Route the indoor tubing and the drain hose to the required piping hole position. Connecting 2. Insert the piping, drain hose, and the cable connecting cable into the piping hole. 3. Insert the connecting cable into the indoor unit. Drain pipe •...
- Page 17 Installation Wrap the insulation material around the Plastic bands Insulation material connecting portion. 1. Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there may be no gap. 2.
- Page 18 Installation Installation Information. For left piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from right to left may cause damage to the tubing. 18 Room Air Conditioner...
- Page 19 Installation Outdoor Align the center of the pipings and sufficiently tighten the flare nut by hand. Finally, tighten the flare nut with torque wrench until the wrench clicks. Outdoor unit Liquid side piping • When tightening the flare nut with torque (Smaller diameter) wrench, ensure the direction for tightening follows the arrow on the wrench.
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Page 20: 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 21 Installation Outdoor 1. Remove the cover control from the unit by loosening the screw. Connect the wires to the terminals on the control board individually as the following. Outdoor unit 2. Secure the cable onto the control board with Terminal block the holder (clamper).
- Page 22 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(3/8"). Round�...
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Page 23: Checking The Drainage
Installation Checking the Drainage To check the drainage. 1. Pour a glass of water on the evaporator. Connecting area drain hose 2. Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. Leakage checking Drain pan... -
Page 24: Forming The Piping
Installation Forming the Piping Form the piping by wrapping the Seal small openings Seal small openings connecting portion of the indoor unit around pipings with a around pipings with a with insulation material and secure it gum type sealer. gum type sealer. with two kinds of vinyl tapes. -
Page 25: Air Purging
Installation Air Purging 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 26 Installation Soap water method The air conditioner is now ready to test run. 1. Remove the caps from the 2-way and 3-way Liquid side valves. 2. Remove the service-port cap from the 3-way valve. 3. To open the 2-way valve turn the valve stem counterclockwise approximately 90°, wait for about Gas side 2~3 sec, and close it.
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Page 27: 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 28 Installation NOTICE If the actual pressure is higher than shown, the system is most likely over-charged, and charge should be removed. If the actual pressure are lower than shown, the system is most likely undercharged, and charge should be added. PUMP DOWN This is performed when the unit is relocated or the refrigerant circuit is serviced.
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Page 29: 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 30 Memo 30 Room Air Conditioner...