LG SF Chassis Installation Manual

Room air conditioner

Advertisement

LG Room

Air Conditioner

INSTALLATION MANUAL

MODELS: SF Chassis
website 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

Advertisement

Table of Contents
loading

Summary of Contents for LG SF Chassis

  • Page 1: Air Conditioner

    LG Room Air Conditioner INSTALLATION MANUAL MODELS: SF Chassis 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 2: Table Of Contents

    Room Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements Safety Precautions......3 Four type "A" screws & plastic Level gauge anchors Screw driver Connecting cable Introduction ........9 Electric drill Symbols used in this manual..9 Hole core drill(ø50mm) Installation guide map Features ...........9 Horizontal meter...
  • Page 3: Installation

    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. Incorrect operation due to ignoring instruction will cause harm or damage.
  • Page 4 Safety Precautions Be cautious when For installation, always Do not install the product unpacking and installing contact the dealer or an on a defective installation the product. Authorized Service Center. stand. • Sharp edges could cause • There is risk of fire, electric •...
  • Page 5 Safety Precautions Use a dedicated outlet for Grasp the plug to remove Do not place a heater or this appliance. the cord from the outlet. Do other appliances near the not touch it with wet hands. power cable. • There is risk of fire or •...
  • Page 6 Safety Precautions Do not open the inlet grill of When the product is soaked Ventilate the product from the product during (flooded or submerged), time to time when operating operation. (Do not touch the contact an Authorized it together with a stove, etc. electrostatic filter, if the unit Service Center.
  • Page 7 Safety Precautions Do not install the product Use two or more people to Do not install the product where the noise or hot air lift and transport the air where it will be exposed to from the outdoor unit could conditioner.
  • Page 8 Safety Precautions Always insert the filter Do not insert hands or other Do not drink the water securely. Clean the filter objects through the air inlet drained from the unit. every two weeks or more or outlet while the air often if necessary.
  • Page 9: 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. This symbol indicates special notes. NOTICE Features Air Filter Signal Receptor Front Panel Plasma Filter...
  • Page 10: Installation Guide Map

    Installation Installation Read carefully, and then follow step by step. Installation Parts Installation guide map 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...
  • Page 11: Installation Map

    Installation Map Installation parts you should purchase. NOTICE More than 20cm More than 50cm Sleeve (Left and right Bushing-Sleeve are identical) Putty(Gum Type Sealer) Bend the pipe as close as possible on the wall but be careful so that it may not break.
  • Page 12: Selecting The Best Location

    Installation 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 20cm More 3. Make sure that condensation drainage can be than 50cm conveniently routed away.
  • Page 13: Piping Length And Elevation

    Installation Piping Length and Elevation Pipe Size Capacity Standard Additional Max. Max. Elevation B (m) Length A (m) (Btu/h) Length (m) Refrigerant (g/m) LIQUID 9k, 12k 3/8" 1/4" 1/2" 1/4" Indoor unit Outdoor unit Outdoor unit Oil trap Indoor unit Outdoor unit Indoor unit If piping length is more than 5m...
  • Page 14: Preparing Work For Installation

    Installation Preparing Work for Installation Open panel front 1. Pull the upper part of the front panel. 2. Lift up the panel. 3. To detach the front panel, remove the two screws at the lower part. 4. Detach the front panel from the body. 5.
  • Page 15: Fixing Indoor Unit

    Installation Fixing Indoor Unit 1. Attach an Installation guide map on the 2. Look at suited horizon by horizontal desired surface. meter on the horizontal setting line, and fix lightly the map by adhesive tape. INSTALLATION GUIDE MAP Horizontality T I O 3.
  • Page 16: Putting Nut On

    Installation Flaring Work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. Cutting the pipes and the cable. 1. Use the piping kit accessory or the pipes purchased locally. Copper Slanted Uneven Rough 2.
  • Page 17: 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 18 Installation Connecting the piping with the indoor unit and drain hose with drain pipe 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 Torque Spanner (fixed)
  • Page 19 Installation CAUTION: Installation Information For right 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 left to right may cause damage to the turbing. Installation Manual 19...
  • Page 20 Installation Outdoor Align the center of the pipings and sufficiently tighten the flare nut by hand. Finally, tighten the flare nut with torque wrench Outdoor unit until the wrench clicks. • When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
  • Page 21: 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.) CAUTION: •...
  • Page 22 Installation Outdoor 1. Remove the control cover from the unit by loosening the screw. Outdoor Unit CASE 1 CASE 2 Connect the wires to the terminals on the control board individually. 2. Secure the cable onto the control board with the cord clamp.
  • Page 23: 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 hose of the indoor unit without any leakage and goes out the drain exit. Drain piping 1.
  • Page 24: Forming The Piping

    Installation Forming the Piping Form the piping by wrapping the Seal small openings connecting portion of the indoor unit around pipings with a with insulation material and secure it gum type sealer. with two kinds of vinyl tapes. • If you want to connect an additional drain Taping hose, the end of the drain outlet should be Drain hose...
  • 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: Finishing The Job

    Installation Soap water method 1. Remove the caps from the 2-way and 3-way valves. Liquid side 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 2~3 sec, and close it.
  • Page 27: Panel Front Assembly

    Installation Panel Front Assembly 1. First, Check the side cover assembly exactly, and fix the power cord in the bottom groove of cover side left. 2. Assemble connecting lead wire with controller, fix the upper part of panel front, and match the lower part of panel front.
  • Page 28: 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 29 Installation If the actual pressure is higher than shown, the system is most likely over-charged, and NOTICE 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.
  • Page 30 Memo 30 Room Air Conditioner...
  • Page 31 P/No.: 3828A22231A...

Table of Contents