LG Electronics LS122CE manuale d’uso

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

2 Room Air Conditioner Room Air Conditioner Installation Manual T ABLE OF CONTENTS Safety Precautions ......................... 3 Introduction .....................................9 Symbols Ued in This Manual ......9 Features .......................................9 Installation ..................................... 10 Installation P ar ts ........[...]

Installation Manual 3 ENGLISH Safety Precautions T o pre vent the injury of the user or other people and proper ty damage, the follo wing instructions must be f ollowed. ■ Incorrect operation due to ignoring instruction will cause har m or damage. The seriousness is classified by the f ollowing indications. ■ The meanings of the symbols used in[...]

4 Room Air Conditioner Safety Precautions ■ Operation Be cautious when unpacking and installing the product. • Shape edges could cause injury . Be especially careful of the sharp edges. For installation, al ways contact the dealer or an A uthorized Service Center . • There is r isk of fire, electric shock, explosion, or injury . Do not instal[...]

Installation Manual 5 ENGLISH Safety Precautions Do not place a heater or other appliances near the power cable. • There is risk of fire, failure of the product, and/or electric shock. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. • Moisture may condense and w et or damage[...]

6 Room Air Conditioner Saf ety Precautions ■ Installation Alwa ys check f or gas(refrig erant) leakage after installation or repair of product. • Low refrigerant le vels ma y cause product failure . Install the drain hose to ensure that water is drained awa y properl y . • A bad connection may cause w ater leakage. Keep level e ven when insta[...]

Safety Precautions Installation Manual 7 ENGLISH ■ Operation Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a prob lem for your neighbors. Use two or more people to lift and transport the air conditioner • A void personal injury . Do not install the product where it w[...]

8 Room Air Conditioner Saf ety Precautions ■ Disuse Alwa ys insert the filter securely . Clean the filter every two weeks or more often if necessary . • A dir ty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. Do not drink the water drained from the unit. • It is not sanitary and could cause[...]

Installation Manual 9 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 Intake Vents Air Outlet Vents Connecting Wires Piping Drain Hose Base Plat[...]

10 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, Level Flaring Tool Set Name Ins[...]

Installation Manual 11 ENGLISH Installation Installation Map Installation parts you should purchase. Vertical Air deflector 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 test, remove the air filters and pour water into the[...]

Installation 1. Check the quality label on the indoor and outdoor unit. 2. Make cer tain that the refrigerant 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 vered with the e xisting minera[...]

Installation Manual 13 ENGLISH Installation Outdoor unit 1. If an awning is b uilt ov er the unit to prev ent direct sunlight or rain e xposure, make sure that heat radiation from the condenser is not restricted. 2. Ensure that the space around the back and sides is more than 10cm(3.9in). The front of the unit should hav e more than 70cm(27.6in) of[...]

14 Room Air Conditioner Installation Piping Length And Elev ation • Capacity is based on standard length and maximum allo wance length is on the basis of reliability . • Oil trap should be installed e ver y 5~7meters (16.4~23.0ft). Pipe Size Capacity (Btu/h) Suction Evap Max. length A m(ft) Additional Refrigerant g/m(oz/ft) Max. Ele vation B m([...]

Installation Manual 15 ENGLISH Installation The wall y ou select should be strong and solid enough to pre vent vibr ation 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[...]

16 Room Air Conditioner Installation Flaring W ork 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 a little longer than measured distance. 4. Cut the cable 1.5m(59.1in) longer than the pipe length. Burrs remo val 1. Compl[...]

Installation Manual 17 ENGLISH Installation 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 the tubing and drain hose aw ay from chassis . 3. Replace only the plastic tubing holder 1, not the holder 2 in the original position[...]

18 Room Air Conditioner Installation Wrap the insulation material around the connecting portion. • Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap . Route the indoor tubing and the drain hose to the required piping hole position. Plastic bands[...]

Installation Manual 19 ENGLISH Installation Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cab le for easy connection later . T ape the drain hose and the connecting cable . • Connecting cable Connecting the pipings to the indoor unit and the drain hose to drai[...]

20 Room Air Conditioner Installation Reroute the pipings and the drain hose acr oss the back of the chassis. Reroute the pipings and the drain hose acr oss the back of the chassis. Drain hose Vinyl tape(narrow) Pipe Wrap with vinyl tape(wide) • Bundle the piping and drain hose together by wr apping them with cloth tape ov er the range within whic[...]

Installation Manual 21 ENGLISH Installation Installation Inf or mation. For left piping. Follow the instruction below . Correct case • Press on the upper side of clamp and unf old the tubing to downward slowly . Incorrect case • F ollowing bending type from right to left may cause damage to the tubing.[...]

22 Room Air Conditioner Installation Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants. Align the center of the pipings and sufficiently tighten the flare nut by hand. • The drain hose can be connected at two different positions. Use the most conv enient position and, if neces[...]

Installation Manual 23 ENGLISH Installation Connecting the Piping Connection Of The Cable 1 Indoor Unit Outdoor Unit 2 3 4 1 2 3 4 5 6 G To branch circuit Ground P ower supply a L1 * L2 Connecting cable(Low v oltage) b T erminal (4P) T erminal (6P) Outdoor unit Wiring Diagram T erminal block Over 5mm (0.2") Cov er control Conduit panel Connect[...]

24 Room Air Conditioner Installation After the confirmation of the above conditions , prepare the wiring as follows: 1) Never fail to have an individual po wer circuit specifically f or the air conditioner . As for the method of wiring, be guided by the cir cuit diagram posted on the inside of control cover . 2) The screw which fasten the wiring in[...]

Installation Manual 25 ENGLISH Installation Chec king The Drainage • P our a glass of water on the drain pan. • Ensure the water flows through the dr ain hose of the indoor unit without any leakage and goes out the dr ain exit. Drain piping • The dr ain hose should point downw ard f or easy drain flo w . • A void these situations . Drain pa[...]

26 Room Air Conditioner 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 you w ant to connect an additional drain hose , the end of the drain outlet should be routed abo ve the ground. Secure the dr ain hose appropriate[...]

Installation Manual 27 ENGLISH Air Purging Air purging With V acuum Pump Lo Hi Indoor unit Outdoor unit Manifold valve Charge hose Nitrogen gas cylinder(in vertical standing position) Pressure gauge Air and moisture remaining in the refrigerant system ha ve undesirab le effects as indicated belo w . • Pressure in the system r ises. • Operating [...]

28 Room Air Conditioner Installation Evacuation • Connect the charge hose end described in the preceding steps to the vacuum pump to ev acuate the tubing and indoor unit. Confirm the "Lo" knob of the manifold valv e is open. Then, run the v acuum pump. The operation time f or ev acuation varies with tubing length and capacity of the pum[...]

Installation Manual 29 ENGLISH Installation Charging ■ Each outdoor unit is factory charged (nameplate charge) for the e vaporator as well as a 7.5m(25ft) line set. Any time a line set is used either shor ter or longer then the nominal 7.5m(25ft) line set length the refrigerant charge has to be adjusted. ■ Whether the line set is made shor ter [...]

30 Room Air Conditioner T est Running Outside ambient TEMP . The pressure of the gas side ser vice valv e 95°F(35°C) 8.5~9.5kg/cm 2 G(120~135 P .S.I.G.) Settlement of outdoor unit ■ Anchor the outdoor unit with a bolt and nut(ø10mm(0.39in) tightly and horizontally on a concrete or rigid mount. ■ When installing on the wall, roof or rooftop ,[...]

P/No .: 3828A30087P[...]