User manual LG K18AH S51

[. . . ] ENGLISH 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 : 5400252703 Rev. b www. lge. com Air Conditioner Installation Manual TABLE OF CONTENTS Installation Requirements Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Required Parts Four type "A" screws & plastic anchors Connecting cable Installation guide map Pipes: Gas side Liquid side Insulation materials Additional drain pipe (Outer diameter . . . . . . . . . . . . . . 15. 5mm) Two type "B" screws Required Tools Level gauge Screw driver Electric drill Hole core drill(ø70mm) Horizontal meter Flaring tool set Specified torque wrenches 1. 8kg. m, 4. 2kg. m, 5. 5kg. m, 6. 6kg. m (different depending on model No. ) Spanner . . . . . . . . . . . . . . . . . . . . . . . . Half union A glass of water Screw driver Hexagonal wrench(4mm) Gas-leak detector Vacuum pump Gauge manifold Owner's manual Thermometer Remote control holder Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Symbols used in this manual. . . . . . . . . . 6 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installation parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installation tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Installation map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Selecting the best location . . . . . . . . . . . . . 9 Piping length and elevation. . . . . . . . . . . 10 Fixing installation plate. . . . . . . . . . . . . . . . . . 11 Drilling a hole in the wall . . . . . . . . . . . . . . . 11 Flaring work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Connecting the piping . . . . . . . . . . . . . . . . . . 13 Connecting the cables . . . . . . . . . . . . . . . . . . 19 Checking the drainage . . . . . . . . . . . . . . . . . . 21 Forming the piping. . . . . . . . . . . . . . . . . . . . . . . . . 22 Air purging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Test running . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Installation guide at the seaside . . . . 27 Selecting the location (Outdoor Unit). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2 Air Conditioner Safety Precautions ENGLISH 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. [. . . ] Tape the drain hose and the connecting cables. 1 2 Connecting cable ENGLISH Drain pipe 5. Indoor unit installation · Hang the indoor unit from the hooks at the top of the installation plate. between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall. Indoor unit Spacer Installation plate 8cm Connecting the piping to the indoor unit and the drain hose to drain pipe. Align the center of the pipes and sufficiently tighten the flare nut by hand. Tighten the flare nut with a wrench. Outside diameter mm inch Ø6. 35 1/4 Ø9. 52 3/8 Ø12. 7 1/2 Ø15. 88 5/8 Ø19. 05 3/4 Torque kgf. m 1. 8~2. 5 3. 4~4. 2 5. 5~6. 6 6. 3~8. 2 9. 9~12. 1 Indoor unit tubing Flare nut Pipes Open-end wrench (fixed) Flare nut Wrench Indoor unit tubing Connection pipe 3. When extending the drain hose at the indoor unit, install the drain pipe. Drain hose Indoor unit drain hose Adhesive Vinyl tape (narrow) Installation Manual 15 Installation Wrap the insulation material around the connecting portion. 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. Wrap the area which accommodates the rear piping housing section with vinyl tape. Connection pipe Vinyl tape (wide) Plastic bands Insulation material Indoor unit piping Wrap with vinyl tape Pipe Vinyl tape(narrow) Connecting cable 3. Bundle the piping and drain hose together by wrapping them with cloth tape over the range within which they fit into the rear piping housing section. Pipe Drain hose Vinyl tape(narrow) Wrap with vinyl tape(wide) Reroute the pipings and the drain hose across the back of the chassis. Piping for passage through piping hole Indoor unit installation 1. Ensure that the hooks are properly seated on the installation plate by moving it left and right. Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound). Connecting cable Drain hose 16 Air Conditioner Installation ENGLISH Installation Information. 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. Installation Manual 17 Installation Outdoor Unit 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. · When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench. Outdoor unit Liquid side piping (Smaller diameter) Outside diameter mm inch Ø6. 35 1/4 Ø9. 52 3/8 Ø12. 7 1/2 Ø15. 88 5/8 Ø19. 05 3/4 Torque kgf. m 1. 8~2. 5 3. 4~4. 2 5. 5~6. 6 6. 3~8. 2 9. 9~12. 1 Gas side piping (Bigger diameter) Torque wrench 18 Air Conditioner Installation Connecting the Cables 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. ) ENGLISH · The circuit diagram is a subject to change without notice. · The earth wire should be longer than the common wires. · When installing, refer to the circuit diagram on the chassis cover. · Connect the wires firmly so that they may not be pulled out easily. · Connect the wires according to color codes, referring to the wiring diagram. The power cord connected to the "A" unit should be selected according to the following specifications(Type "B" approved by HAR or SAA). (mm2) Grade NORMAL CROSS -SECTIONAL AREA Unit(A) Cable Type(B) 7k 0. 75 Indoor H05VV-F 9/12k 1. 0 Indoor H05VV-F 18k 1. 5 Indoor H05VV-F 24k 2. 5 Indoor H05VV-F The power connecting cable connecting the indoor and outdoor unit should be selected according to the following specifications (Type "B" approved by HAR or SAA). <Power Connecting Cable> <Connecting Cable> (mm2) NORMAL CROSS -SECTIONAL AREA Grade 7k 0. 75 9/12k 1. 0 18k 1. 5 24k 2. 5 NORMAL CROSS-SECTIONAL AREA 0. 75mm2 Cable Type(B) H07RN-F H07RN-F H07RN-F H07RN-F Installation Manual 19 Installation Outdoor Unit 1. Remove the control cover from the unit by loosening the screw. Connect the wires to the terminals on the control board individually. [. . . ] If the vibration of the unit is transmitted to the hose, secure the unit with an anti-vibration rubber. Bolt Tubing connection Evaluation of the performance Operate the unit for 15~20 minutes, then check the system refrigerant charge: 1. Measure the pressure of the gas side service valve. Measure the temperature of the intake and discharge of air. Ensure the difference between the intake temperature and the discharge is more than 8°C 4. [. . . ]