LG Electronics 37LT380H Flat Panel Television User Manual
Contents
1. 1 Set operation switch at FAN and the fan will start Check to ensure that the fan sounds normal Next set it at COOL and the compressor will start Check to ensure that the compressor sounds normal Check discharge and suction pressure on the compound gauges 4 Check working voltage phase balance and running current iE Check to ensure that the thermistor functions properly i1 Check to ensure that the high pressure control switch functions correctly Installation Manual 192. PIPE SIZE TORQUE 1 4 1 8 2 5 kgf m 3 8 3 4 4 2 kgf m Spanner A JP wrench 1 2 5 5 6 6 kgfm 5 8 6 3 8 2 kgf m 3 4 9 9 12 1 kgf m 1 If it is necessary to bend or stretch the tubing use the spring which is attached to the tubing in stead of pipe bender e Please make a careful notice to make a smooth line e Hold the tubing with your two hands closely and then bend or stretch it slowly not to make any crack e Remember that the radius R should not exceed 70mm Refer to Fig 1 2 Do not repeat the bending process to prevent the tubing from cracking or crushing 3 Keep in mind that the bending part should not be cracked and make the radius R as long as possible Refer to Fig 2 Installation Manual 13 Installation of Unit e The inside and outside connecting cable can be connected after opening the side inlet grille 1 Open the side inlet grille manually Fig 1 2 Open the panel A with driver Fig 2 3 Connect the connecting pipe Fig 3 4 Connect the cables LG doesn t supply to the terminal block in the front panel Fig 3 5 Secure the panel A to the original position with the screw 6 Insert the plastic tube bushing in small hole in order to prevent the connecting wires from being cut by sharp edge of the hole Fig 4 America Canada only 7 Close the side inlet grille Fig 1 Fig 2 Fig 3 Wiring Details B Cooling Model America Canad
3. P No 3828A20025U LG website http www lgservice com G e mail http www lgeservice com techsup html LG Floor Standing Type Air Conditioner INSTALLATION MANUAL IMPORTANT e 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 e Please retain this installation manual for future reference after reading it thoroughly Floor Standing Type Air Conditioner Installation Manual TABLE OF CONTENTS OUT LINE OF INSTALLATION Safety Precautions eeeetrttttttttrtititittttrrtirtrnretntntetitirtntinnn nnmnnn tenete nement 3 Installation of Indoor Outdoor Unit eeeseseeeettetettetititirietntntntnnnnntntnenenen tt 6 1 Selection of th best location iieiaei E a EE e A A 6 2 Indoor Unitnstallati hiins naman an aR aA a ARE a mania 8 3 Outdoortunitinstallatione ssia a a a aah 8 4 Refrigerant amounts ar E E ET EEO EE E A S 8 5 Installation g ide at the seaside lt 0 ccycea catia dara naaa a e n GEENA ER AS 9 6 Installation method procedure reiini niaaa ea nE ENE AE TEATE E EEA 10 7 Preparation of installation parts and tools sss sssssssssissssnssssrissrrissnrirenninsnntnenntnenntrnnrinnninnnninnrinnnninennnrnntreett 11 8 ProparatiomotpIRINO rais Ar A A tance AANT AORA EROR TE 12 9 Connection of PIPING skeri iar a aeia rei TEA EA OEE A A EA A AAAS 13 10 Pr
4. a Only 1 2 3 4 5 BUMA 516171 y ry 7 ry j ji i To Outdoor Unit To Outdoor Unit Heat Pump Model 1 2 3 4 5 iri Heat Pump Heater Model 1 2 3 4 5 1219 tt t Lf To Outdoor Unit Fig 4 Plastic tube Bushing 14 Floor Standing type Air Conditioner Installation of Unit 1 Align the center of the pipings and sufficiently tighten the flare nut with fingers 2 Finally tighten the flare nut with torque wrench until the wrench clicks e When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench PIPE SIZE TORQUE 1 4 1 8 2 5 kgf m 3 8 3 4 4 2 kgf m 1 2 5 5 6 6 kgf m 5 8 6 3 8 2 kgf m 3 4 9 9 12 1 kgf m Outdoor unit Gas side piping 1 Open the control board cover from the outdoor unit by removing the screws 2 Connect wires to the terminals on the control board individually and secure the cables onto the control board with clamp 3 Secure the control board cover to the original position with the screws A CAUTION Perform grounding e This product should be grounded e Defective grounding could cause an electric shock Terminals on the indoor unit MEAE eA i emia one andor TAT UAL POWER INPUT Te
5. city 20k 28k H P 30A 30k 40k 1 Phase GIO DA 44k 48k H P 40A 55k 60k C O 40A 44k 48k H P 30A 50k 60k 3 Phase C O 30A 80k H P 50A C O 50A 16 Floor Standing type Air Conditioner e The screws which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires e See to it that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate e The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the contact point there of fuse breaking disturbance to the normal function of a overload protection device Separate main and heater power supply for Z model Do not connect together to the same power supply Unit BTU h Breaker Conductor Heater 20k 28k 30A 3 5mm Spec 44k 48k 40A 5 5mm 50k 60k 80k 50A 8mm Installation of Unit The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor 1 Confirm that both the liquid side valve and the gas side valve are set to the closed position 2 After connecting the piping check the joints for gas leakage with gas leak detector 3 Remove the servic
6. e heater To prevent the liquid back to the compressor Before the operating the unit Heat pump only 16 Cooling operation Use the remote control or display of the indoor unit 10 Floor Standing type Air Conditioner Installation of Unit No Installation Parts Tools Use 1 Flaring tool 6 35 19 05 Flaring the pipes 2 Remear Remove burrs from cut edges of pipes 3 Pipe cutter MAX 35mm Copper pipe Cutting the pipings 4 Wrench H5 H4 hexagonal wrench To open the service valve 5 Pipe bender Bending the pipings 6 Leak detector Check a gas leakage of connecting part of the pipings 7 Manifold gauge To measure the pressure to charge the refrigerant 8 Charge nipple To connect the bombe 9 Vacuum pump To remove the air in the pipe 10 Charge cylinder balance To measure the refrigerant amount 11 Bombe Freon 22 Gas charge Cleaning the pipe 12 Spanner To tighten the connecting parts of the pipings 13 Monkey spanner 14 Driver C 15 Benchi 150mm Cutting the wires 16 Tapeline To measure the length 17 Core drill To make holes through the concrete wall and blocks 18 Voltmeter Amperemeter Clampmeter To measure the current and voltage 19 Insulation resistance tester To measure the insulation resistance 20 Glass thermometer To measure the intake and outlet air temperature of the indoor unit 21 Copper tubes To use the connec
7. e port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 6 Tighten the valve stem nuts of the 2 way valve and 3 way valve 7 Disconnect the charge hose and fit the nut to the service port Tightening torque 1 8kg m Indoor unit Liquid side Outdoor unit 2 way valve 3 way valve Vaccum pump Installation Manual 17 Installation of Unit 1 Wrap the connecting portion of indoor unit with the insulation material and secure it with two Plastic Bands for the right piping e If you connect an additional drain hose the end of the drain outlet should be kept distance from the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind In case of the outdoor unit is installed below position of the indoor unit 2 Tape the Piping and Connecting Cable from down to up 3 Form the piping gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent In case of the outdoor unit is installed upper position of the indoor unit 1 Tape the piping and connecting cable from down to up 2 In order to prevent water from entering the ro
8. ecautions in bending 11 Connecting the cable to the indoor unit sse sssessssersoseresseresssessssersosersosnrsosnriesnresonnesonntennneeonneennuternunennnerenet 14 12 Connecting the piping to the outdoor unit avssiiesicinnisisiiiiiiciiiniiiirinki iiia iia 15 13 Connecting the cable to the outdoor UNIt w eee ieee nein niente niet neeneenieetiee 15 14 Power SUPPLY ANG Wining sesionin a shraiaidannbis a a 16 15 Vacuum drying of the connecting pipes and the indoor unit ss sesssssssissssissssirsssrissnrissnrissnnsrnnnrnesnnrnnnreenne 17 AO FORMING PipOricecernritss aanas araea easi azarcradaceashiale 18 Final Check and Test Run 0 ccccececcceceseeseeeeeeeseeeeeeeeeasseeeecesesaeaeeeetesasaeeneeeetesaes 19 2 Floor Standing type Air Conditioner Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed E Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications AWARNING This symbol indicates the possibility of death or serious injury ACAUTION This symbol indicates the possibility of injury or damage E Meanings of symbols used in this manual are as shown below D Be sure not to do Q Be sure to follow the instruction A WARNING E installation Do not use a defective or For electrical wor
9. ipe mm inch mm 6 35 1 4 1 1 1 3 Clamp mange E ogarow maik 9 52 3 8 1 5 1 7 12 7 1 2 1 6 1 8 15 88 5 8 1 6 1 8 Smooth all round 919 05 3 4 1 9 2 1 Inside is shining without scratches Firmly hold copper tube in a bar or die as O indicated dimension in the table above p Improper faring 5 Check d Vf rf nf e Compare the flared work with figure below Co Moai auf e o p ven lengt e If flare is noted to be defective cut off the all round flared section and do flaring work again 12 Floor Standing type Air Conditioner Installation of Unit 1 Move the indoor tubing and drain hose to the hole e Remove tubing holder and pull the tubing out of the chassis 2 Replace the tubing holder into original position 3 Route the tubing and the drain hose staight backwards 4 Insert the connecting cable into the indoor unit through the hole e Do not connect the cable to the indoor unit e Make a small loop with the cable for easy connection later 5 Tape the tubing and the connecting cable 6 Indoor unit installation 7 Connecting the pipings to the indoor unit e Align the center of the pipings and suffciently tighten the flare nut with fingers e Finally tighten the flare nut with troque wrench until the wrench clicks When tightening the flare nut with troque wrench ensure the direction for tightening Indoor unit tubing follows the arrow on the wrench nut Pipings
10. k contact the Always ground the product underrated circuit breaker Use dealer seller a qualified this appliance on a dedicated electrician or an Authorized circuit Service Center e There is risk of fire or e Do not disassemble or repair e There is risk of fire or electric shock the product There is risk of electric shock fire or electric shock Install the panel and the cover of Always install a dedicated Use the correctly rated breaker control box securely circuit and breaker or fuse e There is risk of fire or e Improper wiring or e There is risk of fire or electric shock installation may cause fire or electric shock electric shock Installation Manual 3 Safety Precautions Do not modify or extend the power cable e There is risk of fire or electric shock For installation always contact the dealer or an Authorized Service Center e There is risk of fire electric shock explosion or injury D2 Be sure the installation area does not deteriorate with age e If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury E Operation Do not store or use flammable gas or combustibles near the product e There is risk of fire or failure of product 4 Floor Standing type Air Conditioner Be cautious when unpacking and installing the product e Sharp edges could cause injury Be especially careful of
11. om form a trap and tape the piping 3 Fix the piping onto the wall with saddle or bracket Drain water treatment of outdoor unit Heat Pump Only 1 When using the drain elbow hose use a mount of 3cm of higher 2 In the cold district 0 c 32 F continued for 2 3 day the drain water is frozen and the fan fail to function do not use the drain elbow 18 Floor Standing type Air Conditioner Trap is required to prevent the electrical parts from entering the water Seal a small opening around the piping with gum type sealer Trap ny ips T z Hose inner diameter 20 Arrange the hose downward slope without waving Final Check and Test Run i Final Check and Test Run After installing the unit perform the final check and running test as follows Final check points Is the unit securely mounted 8 Is the installation location adequate Gls the water piping work adequately and without leakage i Are trapped drain lines installed at condensate drain connections iE Has the refrigeration cooling cycle been kept sealed 8 Is the electrical wiring adequate and are the screws tightened on terminals After the above final checkings prepare the running test as follows iT Connect compound gauges to the check joints at discharge and suction sides of the compressor Turn all switches OFF Turn the main switch ON Running test should be accomplished as follows
12. pe Air Conditioner Installation of Unit cauTion 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 the condenser and evaporator fins could cause product malfunc tion or inefficient performance 3 If outdoor unit is installed close to the seaside it should avoid direct exposure to the sea wind Otherwise it needs additional anticorrosion treatment on the heat exchanger Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opposite side of the sea wind direction Sea wind Sea wind 2 In case to install the outdoor unit on the seaside set up a windbreak not to be exposed to the sea wind e It should be strong enough like concrete to prevent the sea wind from the sea e The height and width should be more than 150 of the outdoor unit Windbreak Sea wind It should be keep more than 70 cm of space between outdoor unit and the windbreak for easy air flow 3 Select a well drained place 1 If you can t meet above guide line in the seaside installation please contact LG Electronics for the additional anticorrosion t
13. re Drill EP C T 200mm 1 The mounting floor should be strong and solid INSIDE OUTSIDE enough to prevent it from vibration Wall 2 Drill the piping hole with 70mm diameter hole Plastic tube core drill at either the right or the left of indoor Bushing unit The hole should be sightly slant to the i outdoor side OY t 3 Insert the plastic tube through the hole 4 Cut the extruded outside part of the plastic Cut if necessary tube if necessary Tilt m More than 15mm 1 Install the outdoor unit on the concrete or any solid base securely and horizontally by securing it with bolts 012mm and nuts 2 If there is any vibration transmitted to the building mount the rubber underneath the outdoor unit Refrigerai Before shipment this air conditioner is filled MODEL REFRIGERANT CHARGE with the rated amount of refrigerant including additional amount required for air purging 20k 28k 30k 40k 30g m 1 060z m subject to 7 5m piping length The rated BTU h amount of refrigerant is indicated on the name 44k 50k 40g m 1 410z m plate But when the piping length exceeds 7 5 BTU h meters additional charge is required according 80k to the following table BTU h 80g m 2 820z m Example 28K 30K In case of 10m long pipe one way the amount of refrigerant to be replenished is 10 7 5 x 30 75g 10 7 5 x 1 06 2 650z 8 Floor Standing ty
14. reatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Installation Manual 9 Installation of Unit No Installation works Descriptions 1 Preparation of tools and installation parts Preparation of installation 2 Flaring the pipes To insert the flare nuts mounted on the connection parts of both indoor and outdoor unit onto the copper pipes 3 Pipe bending To reduce the flow resistance of refrigerant 4 Connection of installation parts Connection of long piping elbows socket etc 5 Tighten the flare nut outdoor Connecting the pipings of the outdoor unit 6 Blowing the pipings To remove dust and scale in working 7 Tighten the flare nut indoor Connecting the pipings of the indoor unit 8 Check a gas leakage of the connecting part of the pipings 9 Vacuum drying of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compressor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent heat loss and sweat 12 Checking the drainage indoor unit To ensure if water flow drain hose of indoor unit 13 Connecting the cable between outdoor Preparation of the operating and indoor unit 14 Connecting the main cable to outdoor unit 15 Supply the power to the crankcas
15. rminal block Conduit panel A H Connecting cable H Power supply cord Cover control America Canada Only America Canada Only Installation Manual 15 Installation of Unit The unit is completely wired internally at the factory according to general rule of electrical technology but local rules if they are required should be complied with 1 Power supply Power source must fulfill the following conditions e The working voltage should be higher than 90 and lower than 110 of the rated voltage marked on the name plate e The starting voltage should be higher than 85 of the rated voltage marked on the name plate 2 Wiring Voltage 1 Power source voltage working voltage 4 Starting voltage After the confirmation of the above conditions prepare the wiring as follows e Use the power supply cord Rubber insulation type Ho7RNF approved by HAR or SAA suitable for the product s electriccal capacity ETU VOLTS Peso 20k 28k H P 450 750V 4 0mm 30k 40k C O 450 750V 4 0mme 44k 48k H P 450 750V 5 5mm2 50k C O 450 750V 5 5mm 80k H P 450 750V 8 0mm C O 450 750V 8 0mm e Provide a recognized circuit breaker as below between power source and unit A disconnection device to adequately disconnect all supply lines must be fitted for service operations UNIT BTU h Circuit breaker capa
16. the case edges and the fins on the condenser and evaporator Do not install the product on a defective installation stand e It may cause injury accident or damage to the product 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 e Moisture may condense and wet or damage furniture Safety Precautions ACAUTION E Installation Always check for gas refrigerant leakage after Install the drain hose to ensure that water is installation or repair of product drained away properly e Low refrigerant levels may cause failure of e A bad connection may cause water leakage product Keep level even when installing the product Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods e To avoid vibration or water leakage e It may cause a problem for your neighbors Use two or more people to lift and transport the Do not install the product where it will be product exposed to sea wind salt spray directly e Avoid personal injury e It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Installation Manual 5 Installation of Unit E Installation of Unit 1 Indoor unit e There should not be any heat source or steam near the unit e There should not be an
17. ting pipings 22 Insulation material To cover the connecting pipings 23 Tape To finish the connecting pipings 24 Electrical Leakage Breaker To shut off the main power 25 Cable To connect the cable from outdoor unit to indoor unit 26 Drain hose sockets elbows To remote the condensing water Installation Manual 11 Installation of Unit Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the O x Copper following procedure ihe A goc Slanted Uneven Rough x 1 Cut the pipes and the cable e Use the accessory piping kit or the pipes purchased locally ad Ek E Eh e Measure the distance between the indoor e Cut the cable 1 5m longer than the pipe length Point down and the outdoor unit i e Cut the pipes a little longer than measured distance gt 2 Burrs removal e Completely remove all burrs from the cut cross section of pipe tube e Put the end of the copper tube pipe to Flare nut downward direction as you remove burrs in order to avoid to let burrs drop in the tubing Copper tube 3 Putting nut on e Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work 4 Flaring work Bar EN e Carry out flaring work using dedicated flaring tool as shown below Outside diameter A Copper p
18. y obstacles to prevent the air circulation e A place where air circulation in the room will be good A place where drainage can be easily obtained e A place where noise prevention is taken into consideration e Do not install the unit near the door way e Ensure the spaces indicated by arrows from the wall ceiling or other obstacles e The indoor unit must keep the maintenance space 2 Outdoor unit e If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted e There should not be any animals or plants which could be affected by hot air discharged e Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 6 Floor Standing type Air Conditioner 40 More than 50cm More tha 50cm More than 50cm More than 100cm 3 Piping length and the elevation Installation of Unit PIPE SIZE Max Max ean Length Elevation GAS SIDE LIQUID SIDE A m B m 20k 5 8 1 4 25 15 28k 30k 40k 5 8 3 8 30 20 44k 50k 3 4 3 8 40 25 80k 1 5 8 50 30 Indoor unit B Outdoor unit CAUTION A e Capacity is based on standard length and maximum allowance length is on the basis of reliability e Oil trap should be installed every 5 7 meters Installation Manual 7 Installation of Unit Wall Co
Download Pdf Manuals
Related Search