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MFL68061231

Rev.03_091420

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

Copyright © 2018 - 2020 LG Electronics Inc. All Rights Reserved.

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

FRANÇAIS

Summary of Contents for ABUQ60LM3T1

Page 1: ...ll Rights Reserved 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 FRANÇAIS ...

Page 2: ...uality may deteriorate if the air conditioner 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 here...

Page 3: ...tric shock due to dust water etc Always install an earth leakage circuit breaker and a dedicated switching board No installation may cause a fire and electrical shock Do not keep or use flammable gases or combustibles near the air conditioner Otherwise it may cause a fire or the failure of product Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time It ma...

Page 4: ...therwise it may cause electrical shock or a fire Keep the flames away Otherwise it may cause a fire Do not use the power cable near the heating tools Otherwise it may cause a fire and electrical shock Do not open the suction inlet of the indoor outdoor unit during operation Otherwise it may electrical shock and failure Do not allow water to run into electrical parts Otherwise it may cause the fail...

Page 5: ... the product Otherwise it may cause vibration or water leakage Do not install the unit in potentially explosive atmospheres Operation Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or develop surface flaws Do no...

Page 6: ...ecting Cables between Indoor Unit and Outdoor Unit 12 Connecting the cable to Outdoor Unit 13 CONNECTING PIPES 13 Preparation of Piping 14 Connecting the pipes to the Outdoor unit 15 Forming the Piping 16 LEAKAGE TEST AND EVACUATION 16 Preparation 16 Leakage test 17 Evacuation 18 TEST RUNNING 20 FUNCTION 20 Forced Cooling Operation 21 SELF DIAGNOSIS FUNCTION 21 Error Indicator Outdoor 23 INSTALLAT...

Page 7: ...50 5 30 40 If installed tube is shorter than 7 5 m additional charging is not necessary Additional Refrigerant A 7 5 x Additional refrigerant g Piping length and the elevation INSTALLATION OF OUTDOOR UNIT Installation Places If an awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted Ensure that the spaces indic...

Page 8: ...e basis of reliability Improper refrigerant charge may result in abnormal cycle Pipes and wires should be purchased separately for installation of the product CAUTION Night Silent Operation setting Open the Side panel or Top Cover of outdoor unit Set the SW01N Noise level Step 1 Step 2 Step 1 Step 1 Step 1 6 Step 2 Step 2 Step 2 6 24 27 K 30 K 36 38 K 48 53 K 54 57 60 K ...

Page 9: ...e Circuit Breaker between the power source and the unit A disconnection device to adequately disconnect all supply lines must be fitted Model of circuit breaker recommended by authorized personnel only Outdoor Indoor Main power source Switch box ELCB Connecting Cables between Indoor Unit and Outdoor Unit Outdoor unit Indoor unit 1 2 3 1 2 3 Capacity kBtu h Phase ø ELCB 18 1 15 A 24 27 1 20 A 30 1 ...

Page 10: ...n If the supply cable is damaged it must be replaced by a special cable or assembly available from the manufacturer of its service agent Pipes and wires should be purchased separately for installation of the product When the connection line between the indoor unit and outdooor unit is over 40 m connect the telecommunication line and power line separately GN YL 20 mm 35 5 mm 10 3 mm NORMAL CROSS SE...

Page 11: ...ow 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 terminal screws A screwdriver with a small head will strip the head and make proper tightening impossible Over tightening the terminal screws may break them Round pressure terminal Power wire Connect same thickn...

Page 12: ...in knock out holes after connecting main power Cord clamp Power cable terminal Connecting cable terminal Power cable terminal Connecting cable terminal 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 dia...

Page 13: ... work using flaring tool as shown below Firmly hold copper pipe in a bar in the dimension shown in the table below Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Copper tube 90 Slanted Uneven Rough Pipe Reamer Point down Flare nut Copper tube Bar Copper pipe A Wing nut type Clutch type Inclined Inside is shinin...

Page 14: ...y When connecting in a downward direction knock out the knock out hole of the base pan refer to figure 2 Preventing foreign objects from entering Figure3 Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure 3 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 05 3 4 110 10 Si...

Page 15: ...aping Drain hose Pipings Connecting cable Power supply cable 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 1 Tape the piping and conne...

Page 16: ...ust 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 and outdoor 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 pressure by loosening the...

Page 17: ...rn the valve stem of gas side valve counter clockwise to fully open the valve Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Outdoor unit M...

Page 18: ...r 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 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 than 5 minutes ...

Page 19: ...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 voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation...

Page 20: ...own 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 6 24 27 K 30 K 36 38 K 48 53 K 54 57 60 K Liquid Valve ...

Page 21: ...dicator Outdoor Outdoor Error Ex Error 21 DC Peack 1 Time 1 Time 1 Time 2 Times 2 Times 2 Times 1 Seconds 1 Second 1 Second 1 Second 2 5 Seconds 2 5 Seconds 2 Seconds 2 Seconds 1 Seconds 1 Seconds LED1 RED LED RED LED2 GREEN 18 K 24 27 K 30 K 36 38 K 48 53 K 54 57 60 K ...

Page 22: ...es 1time OFF 43 High Pressure Sensor Open Short 4 times 3 times OFF 44 Outdoor air Th Error Open Short 4 times 4 times OFF 45 Cond Middle Pipe Th Error Open Short 4 times 5 times OFF 46 Suction Pipe Th Error Open Short 4 times 6 times OFF 51 Capacity over 5 times 1 time OFF 53 Communication Error Indoor Outdoor 5 times 3 times OFF 60 EEPROM Error Outdoor 6 times 0 OFF 61 Cond Middle Pipe High 6 ti...

Page 23: ...ct a well drained place Sea wind Sea wind Sea wind Windbreak Periodic more than once year cleaning 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 th...

Page 24: ...24 ENGLISH ...

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