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P/NO : MFL67448518

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

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.

ENGLISH

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Содержание ABUQ18GL2A1

Страница 1: ... 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 ENGLISH ...

Страница 2: ...uality may deteriorate if the air condition er is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number her...

Страница 3: ...ation agency Otherwise it may cause a fire electrical shock explosion or injury Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit If the electrical part cover of the indoor unit and the service panel of the outdoor unit are not attached securely it could result in a fire or electric shock due to dust water etc Always install an air leakage break...

Страница 4: ...e indoor outdoor unit and do not put anything on it It may cause an injury through dropping of the unit or falling down Do not place a heavy object on the power cord Otherwise it may cause a fire or electrical shock When the product is submerged into water always contact the service center Otherwise it may cause a fire or electrical shock Take care so that children may not step on the outdoor unit...

Страница 5: ... Indoor Unit and Outdoor Unit 13 Connecting the cable to Outdoor Unit 14 CONNECTING PIPES 14 Preparation of Piping 15 Connecting the pipes to the Outdoor unit 16 Forming the piping 17 LEAKAGE TEST AND EVACUATION 17 Preparation 17 Leakage test 18 Evacuation 19 TEST RUNNING 21 FUNCTION 21 Forced Cooling Operation 22 SELF DIAGNOSIS FUNC TION 22 Error Indicator Outdoor 24 INSTALLATION GUIDE AT THE SEA...

Страница 6: ... air and noise from the air conditioner do not disturb neighbors More than 300mm Fence or obstacles More than 700mm More than 600mm More than More than 300mm 300mm More than 300mm Sunroof Unit mm Installation Places MODEL CAPACITY Pipe Size Length A m Elevation B m Additional Refrigerant g m Gas Liquid Standard Max Standard Max AUUQ18GH2 5kW Ø12 7 1 2 Ø6 35 1 4 5 30 5 15 20 AUUQ24GH2 7kW Ø15 88 5 ...

Страница 7: ... 8 5 50 5 30 20 AVUQ48GLLA2 13 4kW Ø15 88 5 8 Ø9 52 3 8 5 50 5 30 20 AVUQ54GLLA2 15 8kW Ø19 05 3 4 Ø9 52 3 8 5 50 5 30 20 Ceiling Cassette Ceiling Suspended Air conditioner MODEL CAPACITY Pipe Size Length A m Elevation B m Additional Refrigerant g m Gas Liquid Standard Max Standard Max APUQ36GRA2 10kW Ø15 88 5 8 Ø9 52 3 8 5 50 5 30 20 APUQ48GTA2 13 4kW Ø15 88 5 8 Ø9 52 3 8 5 50 5 30 20 Floor Stand...

Страница 8: ... B Capacity is based on standard length and maximum allowance length is on the basis of reliability Improper refrigerant charge may result in abnormal cycle CAUTION If installed tube is shorter than 15 m additional charging is not necessary Additional Refrigerant A 15 x Additional refrigerant g ...

Страница 9: ...tion setting Open the Side panel or Top Cover of outdoor unit Set the SW1 or DIP SW01D AUUQ36GH2 ATUQ36GPLE5 ABUQ36GM2A2 AVUQ36GKLA2 APUQ36GRA2 AUUQ48GH2 AUUQ54GH2 ATUQ48GMLE5 ATUQ54GMLE5 ABUQ48GM3A2 ABUQ54GM3A2 AVUQ48GLLA2 AVUQ54GLLA2 APUQ48GTA2 6 7 8 9 10 6 7 8 9 10 SW1 DIP SW01D 6 7 8 9 10 Close the Side panel or Top Cover When you set the dip switch you should turn off the circuit breaker or s...

Страница 10: ... disconnection device to ade quately disconnect all supply lines must be fitted Model of circuit breaker recommended by authorized personnel only Outdoor Indoor Main power source Switch box ELCB Model Phase Ø ELCB AUUQ18GH2 ATUQ18GPLE5 ATUQ18GQLE5 ABUQ18GM1A2 ABUQ18GL2A1 ABUQ18GL2R1 AVUQ18GJLA2 1 20A AUUQ24GH2 ATUQ24GPLE5 ATUQ24GQLE5 ABUQ24GM1A2 ABUQ24GL3A1 AVUQ24GJLA2 1 25A AUUQ36GH2 ATUQ36GPLE5 ...

Страница 11: ...ly cord is damaged it must be replaced by a special cord or assembly availible from the manufacturer of its service agent When the connection line between the indoor unit and out dooor unit is over 40m connect the telecommunication line and power line separately CAUTION GN YL 20mm 35 5mm 10 3mm NORMAL CROSS SECTIONAL AREA 0 75mm2 20mm GN YL 35 5mm 10 3mm Model Phase Ø Area mm2 AUUQ18GH2 ATUQ18GPLE...

Страница 12: ...nnecting wiring which is the same thickness do as shown in the figure below For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal scr...

Страница 13: ...nal Power cord terminal Cord clamp Make sure the rubber bushes are properly used in knock out holes after connecting main power The circuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram The Power cord conn...

Страница 14: ...ndoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Carry out flaring work using dedicated flaring tool for R 410A as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flare...

Страница 15: ...row on the wrench Preventing foreign objects from entering Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps Torque wrench Contin uous Gas side piping Liquid side piping Drain hose Connecting wire h When tighten the pipe hold the haxago nal body Outside diameter Torque mm inch N m Ø 6 35 1 4 16 2 Ø 9 52 3 8 38 4 Ø 12 7 1 2 55 6 Ø 15 88 5 8 75 7 Ø 19...

Страница 16: ...ring into electrical parts Taping Drain hose Pipings Connecting cable Power supply cord Plastic Plastic band band Plastic band Seal a small Seal a small opening around opening around the pipings with the pipings with gum type sealer gum type sealer Seal a small opening around the pipings with gum type sealant In cases where the outdoor unit is installed above the indoor unit perform the following ...

Страница 17: ...e cylinder must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Do a leakage test of all joints of the tubing both Indoor unit and outdoor unit and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pre...

Страница 18: ...the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut secure ly with an adjustable wrench This process is very important to prevent leakage from the sys tem Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run Indoor unit Outdoo...

Страница 19: ...t power supply Circuit breaker is required Operate the unit for fifteen minutes or more Precautions In Test Running Connection of power supply Evaluation of the performance CAUTION For test run carry out the cooling operation firstly even during heating season If heating operation is carried out firstly it leads to the trouble of compressor Then attention must be paid Carry out the test run more t...

Страница 20: ...ey are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated volt age marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the ...

Страница 21: ...e down Reset the power Red LED and Green LED of PCB lights during work The indoor unit is operated by force If operation is done Red LED will be turned off If operation is not done normally Red LED will blink Close the Liquid valve only after green LED turned off 7 minutes from the start of the machine Then close the gas valve after Green LED on Liquid Valve Closed Gas Valve Closed Comp on Red LED...

Страница 22: ... 1 Sec 2 Sec 1 Sec 1 Time 1 Time 2 Sec 1 Sec 1 Time SELF DIAGNOSIS FUNCTION SELF DIAGNOSIS FUNCTION 22 ENGLISH AUUQ18GH2 AUUQ24GH2 ATUQ18GPLE5 ATUQ24GPLE5 ATUQ18GQLE5 ATUQ24GQLE5 ABUQ18GM1A2 ABUQ24GM1A2 AVUQ18GJLA2 AVUQ24GJLA2 ABUQ18GL2A1 ABUQ24GL3A1 ABUQ18GL2R1 AUUQ36GH2 ATUQ36GPLE5 ABUQ36GM2A2 AVUQ36GKLA2 APUQ36GRA2 AUUQ48GH2 AUUQ54GH2 ATUQ48GMLE5 ATUQ54GMLE5 ABUQ48GM3A2 ABUQ54GM3A2 AVUQ48GLLA2 ...

Страница 23: ... Pressure Sensor Open Short 4times 3times OFF 44 Outdoor air Th Error Open Short 4times 4times OFF 45 Cond Middle Pipe Th Error Open Short 4times 5times OFF 51 Capacity over 5times 1times OFF 53 Communication Error Indoor Outdoor 5times 3times OFF 60 EEPROM Error Outdoor 6times 0 OFF 61 Cond Middle Pipe High 6times 1times OFF 62 Heatsink Error High 6times 2times OFF 65 Heatsink Th Error Open Short...

Страница 24: ...wind Windbreak Periodic more than once year clean ing of the dust or salt particles stuck on the heat exchanger by using water Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced 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 conde...

Страница 25: ...ont Side Top Rear Panel Supporter Epoxy polyester 120μ 20μ Base Pan Part that contacts corrosive air Part that passes through the corrosive air It is recommended that the outdoor unit is located over 300 m from the sea ABUQ18GL2R1 Model Name Remark Indoor ABNQ18GL2A1 ...

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