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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.
Standard inverter
MFL67448503
Rev.00_083018
Copyright © 2012 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Related Manuals for LG AUUW24GD2
Summary of Contents for LG AUUW24GD2
- Page 1 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. Standard inverter www.lg.com MFL67448503 Copyright © 2012 - 2018 LG Electronics Inc. All Rights Reserved. Rev.00_083018...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY PRECAUTIONS INSTALLATION OF OUTDOOR UNIT Night Silent Operation setting WIRING CONNECTION Electrical Wiring Connecting Cables between Indoor Unit and Outdoor Unit Connecting the cable to Outdoor Unit 11 CONNECTING COPPER PIPES Preparation of Piping Plumbing materials and storage methods Connecting the pipes to the Outdoor unit Forming the piping 17 LEAKAGE TEST AND EVACUATION... -
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 is concern of falling down. - Otherwise, it may result in personal injury. • Use caution when unpacking and installing. - Sharp edges may cause injury. Operation •...
- Page 5 Safety Precautions CAUTION Installation • Install the drain hose to ensure that drain can be securely done. - Otherwise, it may cause water leakage. • Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors.
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Page 6: Installation Of Outdoor Unit
Unit : m(ft) Unit : m(ft) Model Capacity refrigerant Unit : g/m(oz/ft) Liquid Standard Max. Standard Max. AUUW24GD2(LUU247HV) 7 kW Ø 15.88(5/8) Ø 9.52(3/8) 7.6(25) 50(164) 5(16) 30(98) 40(0.43) AUUW36GD2(LUU360HV) 10.5 kW Ø 15.88(5/8) Ø 9.52(3/8) 7.6(25) 75(246) 5(16) 30(98) 40(0.43) -
Page 7: Night Silent Operation Setting
Installation of Outdoor Unit Night Silent Operation setting 1. Open the Side panel or Top Cover of outdoor unit. 2. Set the SW01N (PIP SW2). AUUW24GD2 AUUW42GD2 / AUUW36GD2 (LUU247HV) (LUU427HV / LUU360HV) 3. Close the Side panel or Top Cover. -
Page 8: Wiring Connection
A disconnection device to adequately disconnect all supply lines must be fitted. • Model of circuit breaker recommended by authorized personnel only Model Phase(Ø) ELCB AUUW24GD2(LUU247HV) 30 A AUUW36GD2(LUU360HV) 40 A AUUW42GD2(LUU427HV) 40 A Connecting Cables between Indoor Unit and Outdoor Unit... - Page 9 Wiring Connection u Precautions when laying power and ground wiring Use round pressure terminals for connections to the power terminal block. When laying ground wiring, you must use round pressure terminals. Power wire (Ground wire) Round pressure terminal When none are available, follow the instructions below. •...
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Page 10: Connecting The Cable To Outdoor Unit
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. -
Page 11: Connecting Copper Pipes
Connecting Copper Pipes Connecting Copper Pipes Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the Copper Slanted Uneven Rough following procedure. tube 90° Cut the pipes and the cable. •... -
Page 12: Plumbing Materials And Storage Methods
Connecting Copper Pipes Plumbing materials and storage methods Pipe must be able to obtain the specified thickness and should be used with low impurities. Also when handling storage, pipe must be careful to prevent a fracture, deformity and wound. Should not be mixed with contaminations such as dust, moisture. Refrigerant piping on three principles Drying Cleanliness... - Page 13 Connecting Copper Pipes Nitrogen substitution method Welding, as when heating without nitrogen substitution a large amount of the oxide film is formed on the internal piping. The oxide film is a caused by clogging EEV, Capillary, oil hole of accumulator and suction hole of oil pump in compressor.
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Page 14: Connecting The Pipes To The Outdoor Unit
Connecting Copper Pipes Connecting the pipes to the Outdoor unit • Align the center of the piping and sufficiently tighten the flare nut by hand. Continuous • 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 15 Connecting Copper Pipes • When connecting in a downward direction, knock <Figure 2> out the knock-out hole of the base pan. (refer to figure 2) Knock-out Base pan Preventing foreign objects from entering <Figure 3> (Figure 3) • Plug the pipe through-holes with putty or insulation material(procured locally)to stop up all Liquid side piping (Smaller Dia).
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Page 16: Forming The Piping
opening around the pipings with Connecting Copper 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... -
Page 17: 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 18: Evacuation
Leakage test and Evacuation Evacuation 1. Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate Indoor unit the tubing and indoor unit. Confirm the "Lo and Hi" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varies with tubing length and capacity of the pump. -
Page 19: 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 CAUTION heating season. -
Page 20: Function
Function Forced Cooling Operation • Adding the refrigerant in winter. Setting Procedure 1) Set the DIP Switch as follow after shutting the power source down. AUUW24GD2 AUUW42GD2 / AUUW36GD2 (LUU247HV) (LUU427HV / LUU360HV) 2) Reset the power. 3) Red LED and Green LED of PCB lights during work. -
Page 21: Self-Diagnosis Function
(RED) 1 seconds 1 seconds 1 seconds 1 time 1 time 1 time LED02G (GREEN) 2 seconds 2 seconds AUUW24GD2(LUU247HV) AUUW36GD2(LUU360HV) / AUUW42GD2(LUU427HV) LED 1 LED 2 Indoor Error Code Description (Red) (Green) status 2 times ◑ 1 time ◑... -
Page 22: 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.