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P/No.: 3828A20025U
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ENGLISH website http://www.lgservice.com e-mail http://www.lgeservice.com/techsup.html LG LG Floor Standing Type Air Conditioner INSTALLATION MANUAL IMPORTANT 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.
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Floor Standing Type Air Conditioner Installation Manual TABLE OF CONTENTS OUT-LINE OF INSTALLATION .......................................................................................... Safety Precautions 3 .............................................................. Installation of Indoor, Outdoor Unit 6 1) Selection of the best location.................................................................................................................................6 2) Indoor Unit Installa
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ENGLISH Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. WARNING This symbol indicates the possibility of injury or damage. CAUTION Meanings of symbols used in this manual are as shown below. Be
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Safety Precautions Do not modify or extend the power cable. Be cautious when unpacking and installing the product. • There is risk of fire or electric shock. • Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator. For installation, always contact the dealer or an Do not install the product on a defective Authorized Service Center. installation stand. • There is risk of fire, electric shock, explosion, • It may cause injury, acciden
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ENGLISH Safety Precautions CAUTION Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of • A bad connection may cause water leakage. product. Keep level even when installing the product. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • To avoid vibration or water leakage. • I
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Fence or obstacles Sunroof 40cm 40cm Installation of Unit Installation of Unit Selection of the best location 1. Indoor unit • There should not be any heat source or steam near the unit. • There should not be any obstacles to prevent the air circulation. • A place where air circulation in the room will be good. • A place where drainage can be easily obtained. • A place where noise prevention is taken into consideration. • Do not install the unit near the door way. • Ensure the spaces indicated
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ENGLISH Installation of Unit 3. Piping length and the elevation PIPE SIZE Max. Max. MODEL Length Elevation (BTU/h) GAS SIDE LIQUID SIDE A (m) B (m) 20k 5/8" 1/4" 25 15 28k/30k/40k 5/8" 3/8" 30 20 44k/50k 3/4" 3/8" 40 25 80k 1" 5/8" 50 30 Indoor unit A Outdoor unit B CAUTION: Capacity is based on standard length and maximum allowance length is on the basis of reliability. Oil trap should be installed every 5~7 meters. Installation Manual 7
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Installation of Unit The Indoor Unit Installation Wall Core Drill 200mm 70mm 70mm 1. The mounting floor should be strong and solid INSIDE OUTSIDE enough to prevent it from vibration. Wall 2. Drill the piping hole with 70mm diameter hole- Plastic tube core drill at either the right or the left of indoor (Bushing) unit. The hole should be sightly slant to the outdoor side. Tilt 3. Insert the plastic tube through the hole. 4. Cut the extruded outside part of the plastic Cut if necessary tube, if n
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ENGLISH Installation of Unit 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. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunc- tion or inefficient performance. 3. If outdoor unit is installed close to the seasi
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Installation of Unit Installation Method No. Installation works Descriptions 1 Preparation of tools and installation parts Preparation of installation 2 Flaring the pipes To insert the flare nuts, mounted on the connection parts of both indoor and outdoor unit, onto the copper pipes. 3 Pipe bending To reduce the flow resistance of refrigerant. 4 Connection of installation parts Connection of long piping (elbows, socket etc) 5 Tighten the flare nut (outdoor) Connecting the pipings of the outdoo
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ENGLISH Installation of Unit Preparation of installation parts and tools No. Installation Parts, Tools Use 1 Flaring tool (Ø 6.35 - Ø 19.05) Flaring the pipes 2 Remear Remove burrs from cut edges of pipes. 3 Pipe cutter (MAX 35mm Copper pipe) Cutting the pipings 4 Wrench (H5, H4 hexagonal wrench) To open the service valve 5 Pipe bender Bending the pipings 6 Leak detector Check a gas-leakage of connecting part of the pipings 7 Manifold gauge To measure the pressure, to charge the refrigerant 8
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Installation of Unit Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the Copper following procedure. Slanted Uneven Rough tube 90° 1. Cut the pipes and the cable. • Use the accessory piping kit or the pipes purchased locally. • Measure the distance between the indoor Pipe and the outdoor unit. Reamer • Cut the pipes a little longer than measured distance. • Cut the cable 1.5m longer than the pipe Point down length. 2. Burrs removal
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ENGLISH Installation of Unit Connection of piping 1. Move the indoor tubing and drain hose to the hole • Remove tubing holder and pull the tubing out of the chassis. 2. Replace the tubing holder into original position 3. Route the tubing and the drain hose staight backwards. 4. Insert the connecting cable into the indoor unit through the hole. • Do not connect the cable to the indoor unit • Make a small loop with the cable for easy connection later. 5. Tape the tubing and the connecting cable
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Installation of Unit Connecting the Cable to Indoor Unit • The inside and outside connecting cable can be connected after opening the side inlet grille. 1. Open the side-inlet grille manually (Fig. 1) 2. Open the panel (A) with driver ( ) (Fig. 2) 3. Connect the connecting pipe (Fig. 3) 4. Connect the cables (LG doesn't supply) to the terminal block in the front panel. (Fig. 3) 5. Secure the panel (A) to the original position with the screw ( ). 6. Insert the plastic tube (bushing) in smal
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ENGLISH Installation of Unit Connecting pipings to the outdoor unit . 1. Align the center of the pipings and sufficiently tighten the flare nut with fingers. 2. Finally tighten the flare nut with torque wrench until the wrench clicks. • When tightening the flare nut with torque Gas side piping wrench, ensure the direction for tightening Outdoor unit follows the arrow on the wrench. PIPE SIZE TORQUE Liquid side piping 1/4" 1.8~2.5 kgf·m 3/8" 3.4~4.2 kgf·m Torque wrench 1/2" 5.5~6.6 kgf·m 5/8"
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Installation of Unit Power Supply and Wiring The unit is completely wired internally at the Voltage factory according to general rule of electrical technology, but local rules, if they are required, Power source voltage should be complied with. working voltage 1. Power supply Power source must fulfill the following Starting voltage conditions: Starting point • The working voltage should be higher than 90% and lower than 110% of the rated Time voltage marked on the name plate. • The starting volt
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ENGLISH Installation of Unit Vacuum Drying of the Connecting Pipes and the Indoor Unit The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2. After connecting the piping, check the joints for gas leakage with gas leak detector. 3. Remove the service port nut, and connect the gauge manifold and the vacuum pump to the service port by the ch
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Installation of Unit Form the Piping 1.Wrap the connecting portion of indoor unit with the insulation material and secure it with two Plastic Bands. (for the right piping) If you connect an additional drain hose, the end of the drain-outlet should be kept Gas side distance from the ground. (Do not dip it piping into water, and fix it on the wall to avoid Main cable swinging in the wind.) In case of the outdoor unit is installed below position of the indoor unit. 2.Tape the Piping, and Connec
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ENGLISH Final Check and Test Run Final Check and Test Run After installing the unit, perform the final check Running test should be accomplished as follows: and running test as follows: Final check points Set operation switch at "FAN" and the fan Is the unit securely mounted? will start. Check to ensure that the fan Is the installation location adequate? sounds normal. Is the water piping work adequately and Next, set it at "COOL" and the without leakage? compressor will start. Check to ensure
