LG Electronics LS305HV manual

ENGLISH LG Room Air Conditioner INSTALLATION MANUAL LG 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 [...]

2 Room Air Conditioner Room Air Conditioner Installation Manual T ABLE OF CONTENTS Safety Precautions ............................4 Introduction ........................................7 Symbols used in this manual ..........7 Features ...........................................7 Installation ..........................................8 Installation[...]

ENGLISH Installation Manual 3 IMPORT ANT! 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. CAUTION : Imp[...]

4 Room Air Conditioner Safety Precautions T o pre v ent the injur y of the user or other people and proper ty damage, the f ollo wing instructions must be f ollowed. ■ Be sure to read bef ore installing the air conditioner . ■ Be sure to obser v e the cautions specified here as they include important items related to safety . ■ Incorrect oper[...]

Installation Manual 5 ENGLISH Safety Precautions Do not install the product at a place that there is concern of falling down. • Otherwise, it ma y result in personal injury . Use caution when unpacking and installing. • Shar p edges ma y cause injur y . T ake the power plug out if necessary , holding the head of the plug and do not touch it wit[...]

6 Room Air Conditioner Safety Precautions ■ Installation Install the drain hose to ensure that drain can be securely done. • Otherwise, it ma y cause water leakage. Install the product so that the noise or hot wind from the outdoor unit ma y not cause any dama ge to the neighbors. • Otherwise, it ma y cause dispute with the neighbors. Alwa ys[...]

Installation Manual 7 ENGLISH Introduction This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that ma y cause harm to the air conditioner . This symbol indicates special notes. NOTICE Intr oduction Symbols used in this Manual Features Air Inlet Front Panel Air Filter Signal Receptor Air Intake Vents Base Plate A[...]

8 Room Air Conditioner Installation Type "A" screw and plastic anchor Type "B" screw Remote control holder Installation plate Figure Figure Name Screw driver Electric drill Measuring tape, Knife Hole core drill Spanner Torque wrench Ohmmeter Hexagonal wrench Ammeter Gas-leak detector Thermometer, Horizontal meter Flaring tool se[...]

Installation Manual 9 ENGLISH Installation Installation Map Installation parts you should purchase. NOTE : refrigerant line wall thickness must be at least 0.8 mm(0.031 inch) Air Discarge Forced Operation Button Operation Indication Lamps/ Signal Receptor Vinyl tape (Wide) • Apply after carrying out a drainage test. • To carry out the drainage [...]

10 Room Air Conditioner Installation 1. Chec k the quality label on the indoor and outdoor unit. 2. Mak e cer tain that the refr igerant is R-410A. THIS PRODUCT CONT AINS R-410A REFRIGERANT 1) Diff erent compressor oil - R-410A(P olyol ester) / R-22(Mineral). - Do not mix the e xisting mineral oil. - Do not apply used pipe, tools and gauges co vere[...]

Installation Manual 11 ENGLISH Installation Indoor unit 1. Do not hav e any heat or steam near the unit. 2. Select a place where there are no obstacles in front of the unit. 3. Make sure that condensation dr ainage can be conv eniently routed awa y . 4. Do not install near a doorwa y . 5. Ensure that the inter v al between a wall and the left (or r[...]

12 Room Air Conditioner Installation Piping Length and Elev ation Outdoor unit Indoor unit A B Outdoor unit Indoor unit A B A Oil trap Outdoor unit Indoor unit B If piping length is more than 5m(16.4ft) Capacity is based on standard length and maximum allo wance length is on the basis of reliability . Oil trap should be installed e very 5~7 meters([...]

Installation Manual 13 ENGLISH Installation The wall y ou select should be strong and solid enough to pre vent vibration 1. Mount the installation plate on the wall with type "A" screws . If mounting the unit on a concrete wall, use anchor bolts . • Mount the installation plate horizontally b y aligning the centerline using a lev el. 2.[...]

14 Room Air Conditioner Installation Flaring W ork Main cause f or gas leakage is due to defect in flaring work. Carr y out correct flaring work in the f ollowing procedure. Cut the pipes and the cable. 1. Use the piping kit accessor y or the pipes purchased locally . 2. Measure the distance between the indoor and the outdoor unit. 3. Cut the pipes[...]

Installation Manual 15 ENGLISH Installation Check 1. Compare the flared work with the figure by . 2. If a flared section is def ective , cut it off and do flaring work again. Indoor 1. Prepare the indoor unit's piping and drain hose f or installation through the wall. 2. Remov e the plastic tubing retainer(see the illustration b y) and pull th[...]

16 Room Air Conditioner Installation 4. Indoor unit installation Hook the indoor unit onto the upper por tion of the installation plate.(Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure that the hooks are properly seated on the installation plate by mo ving it left and right. Press the l[...]

Installation Manual 17 ENGLISH Installation 1. Route the indoor tubing and the drain hose to the required piping hole position. 2. Inser t the piping, drain hose, and the connecting cable into the piping hole . 3. Inser t the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the c[...]

18 Room Air Conditioner Installation Wrap the insulation material around the 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 ma y be no gap . 2. Wrap the area which accommodates the rear piping housing section with vinyl tape . 3. [...]

Installation Manual 19 ENGLISH Installation Good case • Press on the upper side of clamp and unf old the tubing to downward slowly . Bad case • F ollowing bending type from right to left ma y cause damage to the tubing. Installation Inf or mation. For left piping. Follow the instruction below .[...]

20 Room Air Conditioner Installation Outdoor Align the center of the pipings and sufficiently tighten the flare nut b y hand. Finally , tighten the flare nut with torque wrench until the wrench clicks . • When tightening the flare nut with torque wrench, ensure the direction f or tightening f ollows the arrow on the wrench. mm inch kg.m Ø 6.35 1[...]

Installation Manual 21 ENGLISH Installation Connecting the Cables Indoor Connect the cable to the indoor unit b y connecting the wires to the terminals on the control board individuall y 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.) T[...]

22 Room Air Conditioner Installation Outdoor 1. Remov e the cov er control from the unit by loosening the screw . Connect the wires to the terminals on the control board individually as the f ollowing. 2. Secure the cable onto the control board with the holder (clamper). 3. Refix the cov er control to the original position with the screw . 1. Separ[...]

Installation Installation Manual 23 ENGLISH How to connect wiring to the terminals F or strand wiring (1) Cut the wire end with a wire cutter or wire- cutting pliers, then strip the insulation to e xpose the strand wiring about 10mm(3/8"). (2) Using a screwdriv er , remove the terminal screw(s) on the terminal plate. (3) Using a round terminal[...]

24 Room Air Conditioner Installation Chec king the Drainage T o check the draina ge . 1. P our a glass of water on the ev aporator . 2. Ensure the water flo ws through the drain hose of the indoor unit without any leakage and goes out the drain e xit. Drain piping 1. The drain hose should point downw ard f or easy drain flow . 2. Do not make dr ain[...]

Installation Manual 25 ENGLISH Installation Forming the Piping Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vin yl tapes. • If y ou want to connect an additional drain hose, the end of the drain outlet should be routed abov e the ground. Secure the drain hose approp[...]

26 Room Air Conditioner Installation Air Purging Air purging The air and moisture remaining in the refrigerant system hav e undesirable eff ects 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 freez e and bloc k capillar y tubing. 5[...]

Installation Manual 27 ENGLISH Installation Soap water method 1. Remov e the caps from the 2-way and 3-w ay v alves. 2. Remov e the ser vice-por t cap from the 3-way v alve. 3. T o open the 2-wa y valv e turn the valve stem counterclockwise appro ximately 90 ° , wait for about 2~3 sec, and close it. 4. Apply a soap water or a liquid neutr al deter[...]

28 Room Air Conditioner Installation 1. Check that all tubing and wiring are properly connected. 2. Check that the gas and liquid side service valv es are fully open. Prepare remote controller 1. Remov e the batter y cov er by pulling it according to the arrow direction. 2. Inser t new batteries making sure that the (+) and ( – ) of batter y are [...]

Installation Manual 29 ENGLISH Installation If the actual pressure is higher than shown, the system is most lik ely ov er-charged, and charge should be remov ed. If the actual pressure are lower than sho wn, the system is most likely undercharged, and charge should be added. NOTICE PUMP DO WN This is performed when the unit is relocated or the refr[...]

30 Room Air Conditioner Installation Installation guide at the seaside 1. Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. 2. Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result corrosion on the product. Corrosion, particularly on t[...]

P/No .: MFL39817301[...]