LG Electronics 3828A20025V Air Conditioner User Manual
Contents
1. UNIT BTU h Circuit breaker capacity 20K 28K H P 30A 30K 40K C O 30A 1 Phase 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 fo2. Installation Manual 5 Installation of Unit Installation of Unit 1 Indoor unit e There should not be any heat source or steam near the unit e There should not be any 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 More than More than 50cm More than 100cm 3 Piping length and the elevation Installation of Unit PIPE SIZE Max Max uh Length Elevation GAS SIDE LIQUID SIDE A m B m 20k 28k 30k 40k 5 8 3 8 30 20 44k 48k 50k 55k 60k 3 4 3 8 40 25 80k 1 5 8 50 30 Indoor unit A B Outdoor unit CAUTION A e Capacity is based on standard length and maximum allowance length is
3. 10 PrecautionS in Dendin ginie aa aaan 13 11 Connecting the cable to the indoor unit ese sssesoserssseresseressseesssersssersosnrsosnrissnresonesonneennneronneernneeenunernnnrenene 14 12 Connecting the piping to the outdoor unit sseessssersseresseresssssssssrsosnrsosntsssnressnteesnneesnnsennneernneernneernunernsnrennee 15 13 Connecting the cable to the outdoor UNIt w eee neni nee nie nen nean ieee netstat 15 14 Power SUPPLY ANG WING sesaosan a a 16 15 Vacuum drying of the connecting pipes and the indoor UNIt eee teense neneeneee neste 17 6 FORMING PIPOsieecersissieetsecterarses tM carreras sstilaznazersis eslliesatereanasisald lass beapeansass hlasearecanaesssssbdaazaseramats senile Te 18 Final Check and Test Run ccccccecececeeeeeeeeeeeeseteeeeeeeeasseeeeeesesseeeeeeesesasaseneeeeteeaes 19 2 Floor Standing type Air Conditioner Safety Precautions E 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 a NS AWARNING This symbol indicates the possibility of death or serious injury A CAUTION This symbol indicates the possibility of injury or damage x E Meanings of symbols used in this manual are as shown below D Be sure not to do Be sure to
4. 4 Floor Standing type Air Conditioner Be cautious when unpacking and installing the product e Sharp edges could cause injury Be especially careful of 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 ey 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 E 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
5. 2 kgf m 3 3 4 9 9 12 1 kgf m Indoor unit tubing Flare nut Pipings 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 follows the arrow on the wrench Spanner A gr wrench 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 Connecting th e The inside and outside connecting cable can be connected after opening the inlet grille 1 Open the inlet grille manually Fig 1 2 Open the terminal block cover with driver B 3 Connect the cables LG doesn t sypply to the Terminal Block in the front Bracket Fig 2 4 Secure the terminal block cover to the original position with the screw 5 Insert the plastic tube Bushing in small hole in order to prevent the connect
6. E Saati hi 30g m 1 060z m AAKASKJSOIJSSKISOk 40g m 1 410z m BTh 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 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 e It should be keep more than 70 cm of space between outdoor unit and the wi
7. follow the instruction AWARNING E Installation Do not use a defective or For electrical work 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 Improper wiring or e There is risk of fire or electric shock installation may cause fire or electric shock electric shock et 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 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 ee ee x p YX Sh N Do not store or use flammable gas or combustibles near the product E Operation e There is risk of fire or failure of product
8. ge 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 crankcase 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 Clampme
9. he indoor unit ae Feria one andor TILT UL POWER INPUT America Canada Only pee 5 6 7 1S a Installation of Unit ZN OSE a Gas side piping Outdoor unit E 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 BTU VOLTS oS 20k 28k H P 450 750V 4 0mm 30k 40k C O 450 750V 4 0mm 44k 48k H P 450 750V 5 5mm 50k C O 450 750V 5 5mme2 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
10. ible to put them on after flaring work 4 Flaring work Bar e Carry out flaring work using dedicated flaring tool for R 22 as shown below Outside diameter A mm inch mm 6 35 1 4 1 1 1 3 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 19 05 3 4 1 9 2 1 Inside is shining without scratches lt a g Firmly hold copper tube in a bar or die as indicated dimension in the table above Improper flaring yf ALUAN Inclined Surface Cracked Uneven damaged thickness 5 Check e Compare the flared work with figure below Even length 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 Connection of 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 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
11. ing wires from being cut by sharp edge of the hole Fig 3 America Canada only 6 Close the inlet grille Fig 1 Fig 2 Detail Wiring of Fig 2 1 Cooling Model 2 Heating Model America Canada only DN s456 BEMA 6 71S 10N 314151 CIE e aT t TITL Outdoor unit Outdoor unit Outdoor unit Insert the plastic tube America Canada only Fig 3 14 Floor Standing type Air Conditioner Connecting 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 Connecting tt 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 t
12. n case of the outdoor unit is installed upper position of the indoor unit Seal a small opening around the piping with gum type sealer v4 1 Tape the piping and connecting cable from down to up 2 In order to prevent water from entering the room form a trap and tape the piping 3 Fix the piping onto the wall with saddle or bracket vaN S Ns Q 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 Hose inner diameter 020 Drain elbow 8 Arrange the hose downward slope without waving 18 Floor Standing type Air Conditioner Final Check and Test Run H 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 ls 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 i51 Is the electrical wiring adequate and are the screws tightened on terminals After the above final checkings prepare the running test as follows I Connect compound gauges to the check joints at discharge and suction
13. ndbreak for easy air flow Windbreak Sea wind 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 treatment 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 draina
14. on the basis of reliability e Oil trap should be installed every 5 7 meters Installation Manual 7 Installation of Unit EV Wall Core Drill Z A The mounting floor should be strong and solid enough to prevent it from vibration 2 Drill the piping hole with 70mm diameter hole core drill at either the right or the left of indoor unit The hole should be sightly slant to the outdoor side 3 Insert the plastic tube through the hole 4 Cut the extruded outside part of the plastic tube if necessary Outdoor unit Installa with bolts 012mm and nuts INSIDE OUTSIDE Plastic tube Wall Bushing A gt SR Tilt AN Cut if necessary More than 15mm 1 Install the outdoor unit on the concrete or any solid base securely and horizontally by securing it 2 If there is any vibration transmitted to the building mount the rubber underneath the outdoor unit Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subject to 7 5m piping length The rated amount of refrigerant is indicated on the name plate But when the piping length exceeds 7 5 meters additional charge is required according to the following table 8 Floor Standing type Air Conditioner MODEL REFRIGERANT CHARG
15. r gas leakage with gas leak detector 3 Remove the service 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 Outdoor unit 2 way valve 3 way valve Vaccum pump Installation Manual 17 Installation of Unit Form the Pi Wrap the connecting portion of indoor unit with the insulation material and secure it with Q two Plastic Bands for the right piping N 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 _ SS oe In case of the outdoor unit is installed below position of the indoor unit VN SZ 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 Q yas 9 Connecting Forh Trap is required to prevent the electrical parts from entering the water I
16. sides of the compressor Turn all switches OFF Turn the main switch ON Running test should be accomplished as follows 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 6 Check to ensure that the high pressure control switch functions correctly Installation Manual 19 Memo 20 Floor Standing type Air Conditioner
17. ter 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 connecting 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 following procedure Cc 5 even Rough y 1 Cut the pipes and the cable e Use the accessory piping kit or the pipes purchased locally E Ek e Measure the distance between the indoor and the outdoor unit Pipe e Cut the pipes a little longer than measured ce Reamer distance Zax Cut the cable 1 5m longer than the pipe Point down A length P 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 poss
18. 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 P No 3828A20025V Floor Standing Type Air Conditioner Installation Manual TABLE OF CONTENTS OUT LINE OF INSTALLATION Safety Precautions eeeeteeetetetttttertertetttttttetienteitnitntentenrentnnenttnteneentet 3 Installation of Indoor Outdoor Unit eeeseeeeeetetettteririritiriisntntnsnnntntnenenen tt 6 1 Selgctionof th best locationis nn a a a a ia a a AEEA 6 2 Indoor Unit Installations Saana A A E R O RN 8 3 Outdoortunitinstallatione saasa a a T A tees hemes a 8 4 Refrigerant amounts iasi ates E E E A E A A a NEA S 8 5 installation guide at the seaside lt ii ccrasant i taneaniaainica aan ranadn EEEN ER A 9 6 Installation method procedre nc tsisias Ae ceucsasluc aae EEA EE Mineman caiuvectenutmat ATRA 10 7 Preparation of installation parts and tools 00 neni ieenenneeneenetnssneataneaneenseeaees 11 8 Preparation iol piping sss c sain A AAN at cree ie eae eee eared ht save et tae 12 9 Connection Of PIPING skera iaaa haiti tative vic EEA AAE O N AAA 13
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