ENGLISH FRANÇAIS ESPAÑOL 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. WALL MOUNTED http://www.lghvac.com www.lg.com P/NO : MFL68019901 Copyright © 2013 - 2018 LG Electronics Inc. All Rights Reserved.
FLEX MULTI SPLIT INSTALLATION INSTRUCTIONS
Multi Air Conditioner Installation Manual Installation Requirements Required Tools Installation Parts Provided ...................................................4 Product Introduction .............................................................4 Indoor Unit.........................................................................4 Outdoor Unit ......................................................................4 Safety Precautions ................................................................
Installation Parts Provided Installation Parts Provided Installation Parts Installation guide map Type "A" screw and plastic anchor Remote control holder Type "B" screw Product Introduction Indoor Unit Air Filter Signal receiver Front Panel ON/OFF button Air Discharge Outdoor Unit Air intake vents Connecting wire Connection pipe Drain hose Air outlet vents Base plate h The figure can be changed according to model.
Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
Safety Precautions • Use caution when unpacking and installing. - Sharp edges may cause injury. • Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. - There is the risk of death, injury, fire or explosion. • Do not install the product on the plaster wall or wooden wall. - It may cause serious injury, accident, or damage to the product by falling of product.
Safety Precautions ENGLISH CAUTION Installation • Install the drain hose to ensure that drain can be securely done. - Otherwise, it may cause water leakage. • Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors. - Otherwise, it may cause dispute with the neighbors. • Always inspect gas leakage after the installation and repair of product. - Otherwise, it may cause the failure of product. • Keep level parallel in installing the product.
Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Read completely, then follow step by step. Select the best location Indoor unit 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. more than 500 (19-11/16) more than 200 (7-7/8) 3. Make sure that condensation drainage can be conveniently routed away. 4. Do not install near a doorway. 5.
Installation ENGLISH Installation Preparing work for Installation Open panel front 1. First, push the front panel backward and lift it up to remove the two screws. 2. The moment of lifting the both lower parts of panel front, you can hear sound this panel came out, In this time panel front is separated 3. After pull down this panel a bit, and separate connecting wire with product. Panel Front Connector Remove cover pipe and cover side 1. Remove two screws(for fixing cover pipe) 2.
Installation Sticking the installation guide map and fixing Indoor unit Put an Installation Guide Map on the desired surface. Adjust level even by level guage and fix to installation for reference on the wall. INSTALLATION GUIDE MAP Make a hole with diameter of 6mm and depth of 30-35mm when piercing a screw point. IN ST AII AT IO N Horizontality IN ST AL LA TIO N GU ID EM AP Drill the piercing part for connecting pipe as diameter Ø65mm. (In case of piercing rear surface) GU ID EM AP Refer to No.
Installation 1. Please fix tightly using provided screw after placing remote controller setup board on the place where you like to setup. - Please set it up not to bend because poor setup could take place if setup board bends. Please set up remote controller board fit to the reclamation box if there is a reclamation box. - Install the product so as not to make a gap with the wall side and to prevent shaking after the installation. 2. Can set up Wired remote controller cable into three directions.
Installation 4. Please connect indoor unit and remote controller using connection cable. 12V Red Please check if connector is normally connected. Signal Yellow GND Indoor Unit side Black Connecting cable 5. Please use extension cable if the distance between wired remote controller and indoor unit is more than 10m(32.8ft). CAUTION When installing the wired remote controller, do not bury it in the wall. (It can cause damage in the temperature sensor.
Flaring Work and Connection of Piping Flaring work Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Copper tube Slanted Uneven Rough 90° 1. Cut the pipes and the cable. • Use the accessory piping kit or the pipes purchased locally. • Measure the distance between the indoor and the outdoor unit. • Cut the pipes a little longer than measured distance. • Cut the cable 1.5m(4.9ft) longer than the pipe length. Pipe Reamer Point down 2.
Flaring Work and Connection of Piping Connection of piping - Indoor Preparing the indoor unit's piping and drain hose for installation through the wall. 1. Route the indoor tubing and the drain hose in the direction of rear left or right Drain hose 2. Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.
Flaring Work and Connection of Piping 1. Align the center of the pipings and sufficiently tighten the flare nut by hand. Indoor unit tubing Flare nut Pipings 2. Tighten the flare nut with a wrench. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Ø12.7 1/2 Torque kgf.m 1.8~2.5 3.4~4.2 5.5~6.6 Spanner (fixed) Flare nut Torque wrench Connection pipe Indoor unit tubing 3. When extending the drain hose at the indoor unit, install the drain pipe.
Flaring Work and Connection of Piping CAUTION: Installation Information (For right piping) For right piping, follow the instruction below. Good case Bad case • Press on the upper side of clamp and unfold the tubing to downward slowly. • Following bending type from left to right could cause problem of pipe damage.
Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the 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. are the same as those of the indoor unit.) The ground wire should be longer than the common wires. The circuit diagram is not subject to change without notice.
Connecting the Cable between Indoor Unit and Outdoor Unit Cover control Lock nut (field supply) Conduit (field supply) NOTICE : 1. Use connection cable NRTL(UL, ETL, CAS…) listed and stranded copper(4) THHN conductors, sunlight (UV) resistant ROHS compliant PVC jacket 600V direct burial listed, approved for wet conditions. Temperature rated for –20℃(-4℉) to 90℃(194℉). And this cable should be enclosed in conduit.
Connecting the Cable between Indoor Unit and Outdoor Unit Strand wire Strip 10 mm(3/8") ◼ For strand wiring (1) Cut the wire end with a wire cutter or wirecutting pliers, then strip the insulation to expose the strand wiring about 10 mm(3/8"). (2) Using a screwdriver, remove the terminal screw(s) on the terminal plate. (3) Using a round terminal fastener or pliers, securely clamp each stripped wire end with a round terminal.
Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the drainage To check the drainage. 1. Pour a glass of water on the evaporator. 2. 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 Drain hose Leakage checking Drain piping Downward slope 1.
Panel Front Assembly ENGLISH Panel Front Assembly 1. First, Check the side cover assembly exactly, Fix power cord in the bottom groove of cover side left. 2. Assemble connecting lead wire with controller and first fix the upper part of panel front, then match the lower part of panel front Panel Front Connector 3. Suspend hook of front panel in the groove after contract lower of 2 screws.
Multi Air Conditioner
