LG LSN120HE Installation Manual
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Summary of Contents for LG LSN120HE
- Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG LSN120HE Owner's Manual Shop genuine replacement parts for LG LSN120HE Find Your LG Air Conditioner Parts - Select From 2328 Models -------- Manual continues below --------...
- Page 2 http://www.lgservice.com Room Air Conditioner INSTALLATION MANUAL 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.
- Page 3 Room Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements Safety Precautions ......3 Introduction ........9 Level gauge Installation plate Symbols Ued in This Manual..9 Screwdriver Four type "A" screws Features ........9 Electric drill Connecting cable Hole core drill(ø70mm(2.76in)) Installation ........10 Pipes: Suction line Installation Parts ......10...
- Page 4 Safety Precautions Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury.
- Page 5 Safety Precautions Be cautious when unpacking and For installation, always contact Do not install the product on a installing the product. the dealer or an Authorized defective installation stand. Service Center. • Shape edges could cause injury. Be • There is risk of fire, electric shock, •...
- Page 6 Safety Precautions Do not place a heater or other Do not let the air conditioner run Do not store of use flammable appliances near the power cable. for a long time when the gas or combustibles near the air humidity is very high and a door conditioner.
- Page 7 Safety Precautions Ventilate the product from time to Unplug the appliance before When the product is not be used time when operating it together performing cleaning or for a long time disconnect the with a stove, etc. maintenance. power supply plug or turn off the breaker.
- Page 8 Safety Precautions Do not install the product where Use two or more people to lift Do not install the product where the noise or hot air from the and transport the air conditioner it will be exposed to sea wind outdoor unit could damage the (salt spray) directly.
- Page 9 Safety Precautions Always insert the filter securely. Clean the filter Do not drink the water drained from the unit. every two weeks or more often if necessary. • A dirty filter reduces the efficiency of the air conditioner and • It is not sanitary and could cause serious health issues. could cause product malfunction or damage.
- Page 10 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 Air Filter Front Panel Signal Receptor...
- Page 11 Installation Installation Read carefully, and then follow step by step. Installation Parts Type 1 Type 2 Installation plate Installation plate Type "B" screw Type "B" screw Type "A" screw (6 EA) Type "A" screw (8 EA) Remote control holder Remote control holder Installation Tools Figure Name...
- Page 12 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 Vertical Air deflector Operation Indication Lamps/ Vinyl tape(Wide) Signal Receptor •...
- Page 13 Installation Confirm The Refrigerant 1. Check the quality label on the indoor and outdoor unit. 2. Make certain that the refrigerant is R-410A. NOTICE THIS PRODUCT CONTAINS R-410A REFRIGERANT 1) Different compressor oil - R-410A(Polyol ester) / R-22(Mineral). - Do not mix the existing mineral oil. - Do not apply used pipe, tools and gauges covered with the existing mineral oil.
- Page 14 Installation Select The Best Location Indoor unit 6. Use a stud finder to locate studs to prevent unnecessary damage to the wall. 1. Do not have any heat or steam near the unit. 2. Select a place where there are no obstacles in front of the unit.
- Page 15 Installation Piping Length And Elevation Pipe Size Capacity Max. Elevation Max. length Standard Additional Refrigerant Length m(ft) m(ft) m(ft) g/m(oz/ft) (Btu/h) Suction Evap 9k(C/O) Ø9.52(3/8") Ø6.35(1/4") 7.5(25) 7.5(25) 15(49) 20(0.22) 9K(H/P),12k Ø12.7(1/2") Ø6.35(1/4") 7.5(25) 7.5(25) 15(49) 20(0.22) 18k(C/O) Ø12.7(1/2") Ø6.35(1/4") 7.5(25) 15(49) 30(98)
- Page 16 Installation How To Mount Installation Plate The wall you select should be strong and solid enough to prevent vibration Installation Plate 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a Chassis concrete wall, use anchor bolts.
- Page 17 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 Copper Slanted Uneven Rough pipe purchased locally.
- Page 18 Installation Connecting the Piping Connecting The Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illustration by) and pull the tubing and drain hose away from chassis. 3.
- Page 19 Installation Connecting the pipings to the indoor unit Wrap the insulation material around the connecting portion. and drain hose to drain pipe. • Put a couple drops of refrigerant oil on the face of • Overlap the connection pipe insulation material the flare before assembling taking care not to add and the indoor unit pipe insulation material.
- Page 20 Installation Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. Spanner (fixed) • Make a small loop with the cable for easy connection later. Flare nut Connection pipe Torque wrench Tape the drain hose and the connecting cable. Indoor unit tubing •...
- Page 21 Installation • Wrap the area which accommodates the rear Reroute the pipings and the drain hose piping housing section with vinyl tape. across the back of the chassis. Indoor Connection unit piping pipe Vinyl tape Wrap with vinyl tape (wide) Piping for Pipe passage through...
- Page 22 Installation Installation Information. For left piping. Follow the instruction below. Correct case • Press on the upper side of clamp and unfold the tubing to downward slowly. Incorrect case • Following bending type from right to left may cause damage to the tubing. Installation Manual 21...
- Page 23 Installation Connecting the Piping Connection Of The Drain Hose • The drain hose can be connected at two different positions. Use the most convenient position and, if necessary, exchange the position of the drain pan, rubber cap and the drain hose. Drain pan Rubber cap Drain hose...
- Page 24 Installation Connecting the Piping Connection Of The Cable 1. Remove the cover control from the unit by Wiring Diagram loosening the 3 screws. Connecting cable(Low voltage) b 2. Dismount caps on the conduit panel. Indoor Unit Outdoor Unit Terminal Terminal 3.
- Page 25 Installation CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover.
- Page 26 Installation Checking The Drainage • Pour a glass of water on the drain pan. • Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. Connecting area drain hose Leakage checking Drain pan...
- Page 27 Installation Forming The Piping In cases where the Outdoor unit is installed Form the piping by wrapping the connecting above the Indoor unit perform the following. portion of the indoor unit with insulation material • Tape the piping and connecting cable from down to and secure it with two kinds of vinyl tapes.
- Page 28 Installation Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. • Pressure in the system rises. • Operating current rises. • Cooling(or heating) efficiency drops. • Moisture in the refrigerant circuit may freeze and block capillary tubing. •...
- Page 29 Installation Soap water method (1) Remove the caps from the gas side and Suction Line liquid side valves. (2) Remove the service-port cap from the gas side valve. (3) To open the gas side valve turn the valve stem counterclockwise approximately 90°, Evaporator Line wait for about 2~3 seconds, and close it.
- Page 30 Installation Charging Each outdoor unit is factory charged (nameplate charge) for the evaporator as well as a 7.5m(25ft) line set. Any time a line set is used either shorter or longer then the nominal 7.5m(25ft) line set length the refrigerant charge has to be adjusted. Whether the line set is made shorter or longer you must adjust the charge based on how many ft of tubing are either added or removed based on 20g(0.22oz) of R-410A per meter(foot).
- Page 31 Test Running Test Running 1. Check that all tubing and wiring have been 3. Ensure the difference between the intake properly connected. temperature and the discharge is more than 2. Check that the gas and liquid side service valves 46.4°F(8°C) (Cooling) or (Heating). are fully open.
- Page 32 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 33 Memo 32 Room Air Conditioner...
- Page 34 P/No.: 3828A30087P...