LG APUQ18GS1K1 Installation Manual Download

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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.

P/NO.:MFL70541908

REV.00_190515

Summary of Contents for APUQ18GS1K1

Page 1: ...lling 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 P NO MFL70541908 REV 00_190515 Copyright 2016 2019 LG Electronics Inc All Rights Reserved ...

Page 2: ...ty 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 here Mo...

Page 3: ...e 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: ...ri 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 They ...

Page 5: ...therwise it may cause vibration or water leak Means for disconnection must be incorporated in the ﬁxed wiring in accordance with the wiring rules 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 d...

Page 6: ...n 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 20INSTALLATION GUIDE AT THE SEASIDE 21 CONVENIENT FUNC TIONS 21 Pressure compensation function TABLE OF CONTENTS ...

Page 7: ...Select a place so that the warm air and noise from the air conditioner do not disturb neighbors More than 300 mm Fence or obstacles More than 700 mm More than 600 mm More than 300mm More than 300 mm Sunroof Unit mm Installation Places INSTALLATION OF OUTDOOR UNIT Piping length and the elevation Ceiling Suspended Air conditioner MODEL Pipe Size Length A m Elevation B m Additional Refrigerant g m Ga...

Page 8: ...pacity 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 7 5 m additional charging is not necessary Additional Refrigerant A 7 5 x Additional refrigerant g ...

Page 9: ...he air condi tioner Use a recognized ELCB Electric Leakage Circuit Breaker between the power source and the unit A 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 WIRING CONNECTION Model Phase Ø ELCB 1 1 15 15 1 25 WIRING CONNECTION 9 1 25 ATUQ24GQSK1 AT...

Page 10: ... S4 This equipment shall be provided with a cord set complying with the national regulation If the supply 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 40 m connect the telecommunication line and power line separately CAUTION GN YL 20 mm 35 5 mm 10 3 ...

Page 11: ... 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 thickness wiring to both si...

Page 12: ...on Use the cord clamp to fix the cable Earthing work Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing Tubing Cover Power cord Power connecting cable CAUTION 12 WIRING CONNECTION ENGLISH Power connecring cable Power cord Tubing Cover ...

Page 13: ...ts 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 14: ... arrow on the wrench Gas side piping Liquid side piping Drain hose Connecting wire 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 Preventing foreign objects from entering Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps Torque wre...

Page 15: ...d above the Indoor unit perform the following 1 Tape the piping and connecting cable from down to up 2 Secure the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent Trap is required to prevent water from entering into electrical parts Taping Drain hose Pipings Connecting cable Power supply cord Plastic Plastic ...

Page 16: ...nd to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder When the system pressure is reduced to normal disconnect the hose from the cylinder Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in t...

Page 17: ...e 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 secure ly with an adjustable wrench This process is very important to prevent leakage from the sys tem Indoor unit Outdo...

Page 18: ...nt 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 ...

Page 19: ...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 20: ... well drained place Sea wind Sea wind Sea 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 p...

Page 21: ...1 MFL42763424 영영 17 9 5 영영 11 08 Page 100 ...

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