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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.
P/NO : MFL67448509
www.lg.com
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Table of Contents
Related Manuals for LG ABUQ18GHLA0
Summary of Contents for LG ABUQ18GHLA0
- Page 1 • 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. www.lg.com P/NO : MFL67448509...
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Page 2: Table Of Contents
Single A Air Conditioner Installation Manual CONTENTS Safety Precautions ....................3 Installation of Outdoor Unit................6 Wiring Connection....................9 Connecting Pipes ....................12 Leakage test and Evacuation ................15 Test running .......................17 Function......................19 Self-diagnosis Function..................20 Installation Guide at the Seaside ..............21 2 Air Conditioner... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions Do not install the product at a place that there Use caution when unpacking and installing. is concern of falling down. • Otherwise, it may result in personal injury. • Sharp edges may cause injury. n Operation Do not share the outlet with Do not use the damaged Do not modify or extend the other appliances.
- Page 5 Safety Precautions n Installation Install the drain hose to ensure that drain Install the product so that the noise or hot can be securely done. wind from the outdoor unit may not cause any damage to the neighbors. • Otherwise, it may cause water leakage. •...
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Page 6: Installation Of Outdoor Unit
Installation of Outdoor Unit Installation of Outdoor Unit 1. 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 indicated by arrows around front, back and side of the unit. - Page 7 Ceiling Concealed Duct Ceiling Concealed Duct – Low static Pipe Size Length A(m) Elevation B(m) Additional Model Capacity Liquid Standard Max. Standard Max. (g/m) ABUQ18GHLA0 Ø12.7(1/2) Ø6.35(1/4) ABUQ18GL2A0 ABUQ21GHLA0 Ø12.7(1/2) Ø6.35(1/4) ABUQ21GL2A0 ABUQ24GGLA0 Ø15.88(5/8) Ø9.52(3/8) ABUQ24GL3A0 ABUQ36GGLA0 10kW Ø15.88(5/8) Ø9.52(3/8) ABUQ42GRLA0 12.5kW Ø15.88(5/8) Ø9.52(3/8)
- Page 8 AUUQ42GH1/ AUUQ48GH1/ AUUQ54GH1 (ATUQ18GPLE3/ ATUQ21GPLE3/ ATUQ24GNLE3) (ATUQ36GMLE3) (ATUQ42GMLE3/ ATUQ48GMLE3/ ATUQ54GMLE3) (AVUQ18GJLA0/ AVUQ21GJLA0 / AVUQ24GJLA0) (AVUQ36GKLA0) (AVUQ42GLLA0/ AVUQ48GLLA0/ AVUQ54GLLA0) (ABUQ18GHLA0/ ABUQ21GHLA0/ ABUQ24GGLA0) (ABUQ36GGLA0) (ABUQ42GRLA0/ ABUQ48GRLA0/ ABUQ54GRLA0) (ABUQ18GL2A0/ ABUQ21GL2A0/ ABUQ24GL3A0) 3. Close the Side panel or Top Cover. AUUQ18GH1 /AUUQ21GH1/ AUUQ24GH1 AUUQ36GH1...
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Page 9: Wiring Connection
Indoor disconnect all supply lines must be fitted. • Model of circuit breaker recommended by authorized personnel only Model Phase(Ø) ELCB AUUQ18GH1 (ATUQ18GPLE3) (AVUQ18GJLA0) (ABUQ18GHLA0) (ABUQ18GL2A0) AUUQ21GH1 (ATUQ21GPLE3) (AVUQ21GJLA0) (ABUQ21GHLA0) (ABUQ21GL2A0) AUUQ24GH1 (ATUQ24GNLE3) (AVUQ24GJLA0) (ABUQ24GGLA0) (ABUQ24GL3A0) AUUQ36GH1 (ATUQ36GMLE3) (AVUQ36GKLA0)(ABUQ36GGLA0) AUUQ42GH1... - Page 10 10±3mm NORMAL CROSS-SECTIONAL AREA 0.75mm Model Phase(Ø) Area(mm AUUQ18GH1/AUUQ21GH1/AUUQ24GH1 (ATUQ18GPLE3/ATUQ21GPLE3/ATUQ24GNLE3) (AVUQ18GJLA0/AVUQ21GJLA0/AVUQ24GJLA0) (ABUQ18GHLA0/ABUQ21GHLA0/ABUQ24GGLA0) (ABUQ18GL2A0/ABUQ21GL2A0/ABUQ24GL3A0) When the connection line between the indoor unit and AUUQ36GH1/AUUQ42GH1/AUUQ48GH1/AUUQ54GH1 (ATUQ36GMLE3/ATUQ42GMLE3/ATUQ48GMLE3/ATUQ54GMLE3) outdooor unit is over 40m, connect the telecommunication (AVNQ36GKLA0/AVNQ42GLLA0/AVNQ48GLLA0/AVNQ54GLLA0) line and power line separately. (ABUQ36GGLA0/ABUQ42GRLA0/ABUQ48GRLA0/ABUQ54GRLA0) If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer of its service agent.
- Page 11 Wiring Connection Connecting the cable to Outdoor Unit • Remove the side panel for wiring connection. • Use the cord clamp to fix the cord. • Earthing work - Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing.
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Page 12: Connecting Pipes
Connecting Pipes Connecting Pipes Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the fol- Copper Slanted Uneven Rough lowing procedure. tube Cut the pipes and the cable. • Use the accessory piping kit or the pipes purchased locally. - Page 13 Connecting Pipes Connecting the pipes to the Outdoor unit • Align the center of the piping and sufficiently tighten the flare nut by hand. • Finally, tighten the flare nut with torque wrench until the wrench clicks. - When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
- Page 14 Seal a small opening around the pipings with Connecting Pipes gum type sealer. Forming the piping Plastic band Form the piping by wrapping the connecting portion of the indoor Seal a small Seal a small Seal a small unit with insulation material and opening around opening around opening around...
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Page 15: Leakage Test And Evacuation
Leakage test and Evacuation Leakage test and Evacuation Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. 1. Pressure in the system rises. 2. Operating current rises. 3. Cooling(or heating) efficiency drops. 4. Moisture in the refrigerant circuit may freeze and block capillary tubing. 5. - Page 16 Leakage test and Evacuation Evacuation 1. Connect the charge hose end described in the pre- Indoor unit ceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo and Hi" knob of the manifold valve is open.
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Page 17: Test Running
Test running Test running 1. PRECAUTIONS IN TEST RUNNING • The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. ① For test run, carry out the cooling operation firstly even during heat- CAUTION ing season. - Page 18 Test running CAUTIO N: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover.
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Page 19: Function
(ATUQ18GPLE3/ ATUQ21GPLE3/ ATUQ24GNLE3) (ATUQ36GMLE3) (ATUQ42GMLE3/ ATUQ48GMLE3/ ATUQ54GMLE3) (AVUQ18GJLA0/ AVUQ21GJLA0 / AVUQ24GJLA0) (AVUQ36GKLA0) (AVUQ42GLLA0/ AVUQ48GLLA0/ AVUQ54GLLA0) (ABUQ18GHLA0/ ABUQ21GHLA0/ ABUQ24GGLA0) (ABUQ36GGLA0) (ABUQ42GRLA0/ ABUQ48GRLA0/ ABUQ54GRLA0) (ABUQ18GL2A0/ ABUQ21GL2A0/ ABUQ24GL3A0) 2) Reset the power. 3) Red LED and Green LED of PCB lights during work. -
Page 20: Self-Diagnosis Function
AUUQ18GH1 /AUUQ21GH1/ AUUQ24GH1 AUUQ36GH1 AUUQ42GH1/ AUUQ48GH1/ AUUQ54GH1 (ATUQ18GPLE3/ ATUQ21GPLE3/ ATUQ24GNLE3) (ATUQ36GMLE3) (ATUQ42GMLE3/ ATUQ48GMLE3/ ATUQ54GMLE3) (AVUQ18GJLA0/ AVUQ21GJLA0 / AVUQ24GJLA0) (AVUQ36GKLA0) (AVUQ42GLLA0/ AVUQ48GLLA0/ AVUQ54GLLA0) (ABUQ18GHLA0/ ABUQ21GHLA0/ ABUQ24GGLA0) (ABUQ36GGLA0) (ABUQ42GRLA0/ ABUQ48GRLA0/ ABUQ54GRLA0) (ABUQ18GL2A0/ ABUQ21GL2A0/ ABUQ24GL3A0) LED 1 LED 2 Indoor Error Code Description... -
Page 21: Installation Guide At The Seaside
Installation Guide at the Seaside Installation Guide at the Seaside 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. - Page 22 22 Air Conditioner...