LG ABUQ18GHLT0 Installation Manual Download | Manualshive

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P/NO : MFL68061201

www.lg.com

INSTALLATION MANUAL

AIR CONDITIONER

• 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

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Summary of Contents for ABUQ18GHLT0

Page 1: ...s 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 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...

Page 3: ...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 earth leakage circuit breaker and a dedi...

Page 4: ...lectri cal 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 failure of machine or electrical shock Do not touch the power cable with wet hands It may cause electric shock and damage Never touch the metal parts of the unit when removing the filter T...

Page 5: ...t Keep level parallel in installing the product Otherwise it may cause vibration or water leak age 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 not use an appliance for sp...

Page 6: ...n Indoor Unit and Outdoor Unit 14 Connecting the cable to Outdoor Unit 15 CONNECTING PIPES 15 Preparation of Piping 16 Connecting the pipes to the Outdoor unit 18 Forming the Piping 19 LEAKAGE TEST AND EVACUATION 19 Preparation 19 Leakage test 20 Evacuation 21 TEST RUNNING 23 FUNCTION 23 Forced Cooling Operation 24 SELF DIAGNOSIS FUNC TION 24 Error Indicator Outdoor 26 INSTALLATION GUIDE AT THE SE...

Page 7: ...than 600 mm More than More than 300mm 300mm More than 300 mm 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 AUUQ18GHT0 18 kBtu h Ø 12 7 1 2 Ø 6 35 1 4 7 5 30 5 15 20 AUUW18GHT0 18 kBtu h Ø 12 7 1 2 Ø 6 35 1 4 7 5 50 5 30 20 AUUQ24GHT0 AUUW24GHT0 24 kBtu h Ø 15 88 5 8 Ø 9 52 3 8 7 5 50 5 30 40 AUU...

Page 8: ...TUQ54GMLT0 ATUW54GMLT0 ATUQ60GMLT0 ATUW60GMLT0 54 kBtu h Ø 19 05 3 4 Ø 9 52 3 8 7 5 50 5 30 40 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 AVUQ18GJLT0 18 kBtu h Ø 12 7 1 2 Ø 6 35 1 4 7 5 30 5 15 20 AVUW18GJLT0 18 kBtu h Ø 12 7 1 2 Ø 6 35 1 4 7 5 50 5 30 20 AVUQ24GKLT0 AVUW24GKLT...

Page 9: ...0 ABUQ54LRLT0 ABUW54LRLT0 ABUQ53GRLT0 53 kBtu h Ø 19 05 3 4 Ø 9 52 3 8 7 5 50 5 30 40 24 kBtu h Ø 15 88 5 8 Ø 9 52 3 8 7 5 50 5 30 40 28 kBtu h Ø 15 88 5 8 Ø 9 52 3 8 7 5 50 5 30 40 34 kBtu h Ø 15 88 5 8 Ø 9 52 3 8 7 5 50 5 30 40 46 kBtu h Ø 19 05 3 4 Ø 9 52 3 8 7 5 50 5 30 40 54 kBtu h Ø 19 05 3 4 Ø 9 52 3 8 7 5 50 5 30 40 Outdoor unit Indoor unit A B Outdoor unit Indoor unit A B Capacity is base...

Page 10: ...RLT0 ABUW54GRLT0 AUUQ60GHT0 AUUW60GHT0 ATUQ60GMLT0 ATUW60GMLT0 AVUQ60GLLT0 AVUW60GLLT0 ABUQ60GRLT0 ABUW60GRLT0 ABUQ53GRLT0 ABUW48LRLT0 ABUQ48LRLT0 ABUW54LRLT0 ABUQ54LRLT0 6 SW_DIP AUUQ18GHT0 AUUW18GHT0 ATUQ18GPLT0 ATUW18GPLT0 AVUQ18GJLT0 AVUW18GJLT0 AUNQ18GHLT0 ABUW18GHLT0 AUUQ24GHT0 AUUW24GHT0 ATUQ24GNLT0 ATUW24GNLT0 AVUQ24GKLT0 AVUW24GKLT0 ABUQ24GGLT0 ABUW24GGLT0 AUUQ30GHT0 AUUW30GHT0 ATUQ30GNLT...

Page 11: ...T0 AUUW18GHT0 ATUQ18GPLT0 ATUW18GPLT0 AVUQ18GJLT0 AVUW18GJLT0 ABUQ18GHLT0 ABUW18GHLT0 1 25 A AUUQ24GHT0 AUUW24GHT0 ATUQ24GNLT0 ATUW24GNLT0 AVUQ24GKLT0 AVUW24GKLT0 ABUQ24GGLT0 ABUW24GGLT0 1 25 A AUUQ30GHT0 AUUW30GHT0 ATUQ30GNLT0 ATUW30GNLT0 AVUQ30GKLT0 AVUW30GKLT0 ABUQ30GGLT0 ABUW30GGLT0 1 30 A AUUQ36GHT0 AUUW36GHT0 ATUQ36GMLT0 ATUW36GMLT0 AVUQ36GLLT0 AVUW36GLLT0 ABUQ36GRLT0 ABUW36GRLT0 1 30 A AUUQ...

Page 12: ... and power line separately CAUTION GN YL 20 mm 35 5 mm 10 3 mm NORMAL CROSS SECTIONAL AREA 0 75 mm2 20 mm GN YL 35 5 mm 10 3 mm Model Phase Ø Area mm2 AUUQ18GHT0 AUUW18GHT0 ATUQ18GPLT0 ATUW18GPLT0 AVUQ18GJLT0 AVUW18GJLT0 ABUQ18GHLT0 ABUW18GHLT0 AUUQ24GHT0 AUUW24GHT0 ATUQ24GNLT0 ATUW24GNLT0 AVUQ24GKLT0 AVUW24GKLT0 ABUQ24GGLT0 ABUW24GGLT0 AUUQ30GHT0 AUUW30GHT0 ATUQ30GNLT0 ATUW30GNLT0 AVUQ30GKLT0 AVU...

Page 13: ...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 terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them Round pressure terminal Power wire Connect same thickn...

Page 14: ...are properly used in knock out holes after connecting main power Connecting cable terminal Power cable terminal Cord clamp Cord clamp 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 cab...

Page 15: ...s attached to indoor and outdoor unit then 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 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 ...

Page 16: ...ue wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Continuous Torque wrench Forward Sideways Backward Downward Figure 1 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 05 3 4 110 10 ...

Page 17: ...lly 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 Insects or small animals entering the out door unit may cause a short circuit in the electrical box CAUTION ...

Page 18: ...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 Trap Seal a small opening around the pipings with gum type sealer In cases where the Outdoor unit is installed above the I...

Page 19: ...of the 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 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...

Page 20: ...ve 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 secure ly with an adjustable wrench This process is very important to prevent leakage from the sys tem Indoor unit Outdoor un...

Page 21: ...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 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 than 5 ...

Page 22: ...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 ...

Page 23: ...rom the start of the machine Then close the gas valve after Green LED on AUUQ18GHT0 AUUW18GHT0 ATUQ18GPLT0 ATUW18GPLT0 AVUQ18GJLT0 AVUW18GJLT0 ABUQ18GHLT0 ABUW18GHLT0 AUUQ24GHT0 AUUW24GHT0 ATUQ24GNLT0 ATUW24GNLT0 AVUQ24GKLT0 AVUW24GKLT0 ABUQ24GGLT0 ABUW24GGLT0 AUUQ30GHT0 AUUW30GHT0 ATUQ30GNLT0 ATUW30GNLT0 AVUQ30GKLT0 AVUW30GKLT0 ABUQ30GGLT0 ABUW30GGLT0 AUUQ36GHT0 AUUW36GHT0 ATUQ36GMLT0 ATUW36GMLT0...

Page 24: ...0 ATUQ30GNLT0 ATUW30GNLT0 AVUQ30GKLT0 AVUW30GKLT0 ABUQ30GGLT0 ABUW30GGLT0 AUUQ36GHT0 AUUW36GHT0 ATUQ36GMLT0 ATUW36GMLT0 AVUQ36GLLT0 AVUW36GLLT0 ABUQ36GRLT0 ABUW36GRLT0 AUUQ48GHT0 AUUW48GHT0 ATUQ48GMLT0 ATUW48GMLT0 AVUQ48GLLT0 AVUW48GLLT0 ABUQ48GRLT0 ABUW48GRLT0 AUUQ54GHT0 AUUW54GHT0 ATUQ54GMLT0 ATUW54GMLT0 AVUQ54GLLT0 AVUW54GLLT0 ABUQ54GRLT0 ABUW54GRLT0 AUUQ60GHT0 AUUW60GHT0 ATUQ60GMLT0 ATUW60GMLT...

Page 25: ...Error Open Short 4times 4times OFF 45 Cond Middle Pipe Th Error Open Short 4times 5times OFF 46 Suction Pipe Th Error Open Short 4times 6times OFF 48 Cond Out Pipe Th Error Open Short 4times 8time 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 6time...

Page 26: ...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...

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