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• 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. TYPE : FLOOR STANDING www.lg.com P/NO : 3828A21022A...
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 Installation ............................8 3) Outdoor unit installation ............................8 4) Refrigerant amount ..............................8 5) Installation method procedure..........................9 6) Preparation of installation parts and tools ......................10...
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. WARNING This symbol indicates the possibility of death or serious injury.
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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.
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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.
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 5 c m prevent the air circulation. 5 c m •...
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Installation of Unit 3. Piping length and the elevation Max. Max. PIPE SIZE MODEL Length Elevation Remarks GAS SIDE LIQUID SIDE A (m) B (m) 5/8" 1/4" 28K/30K/40K 5/8" 3/8" 44K/50K 3/4" 3/8" 1" 5/8" 1" 1/2" Saudi Model 100K 1/2"...
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 (Bushing) core drill at either the right or the left of indoor...
Installation of Unit Installation Method Installation works Descriptions Preparation of tools and installation parts Preparation of installation Flaring the pipes To insert the flare nuts, mounted on the connection parts of both indoor and outdoor unit, onto the copper pipes. Pipe bending To reduce the flow resistance of refrigerant.
Installation of Unit Preparation of installation parts and tools Installation Parts, Tools Flaring tool (Ø 6.35 - Ø 28.7) Flaring the pipes Remear Remove burrs from cut edges of pipes. Pipe cutter (MAX 35mm Copper pipe) Cutting the pipings Wrench (H5, H4 hexagonal wrench) To open the service valve Pipe bender Bending the pipings...
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.
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.
Installation of Unit Connecting the Cable to Indoor Unit • In order to protect cable, it should be inserted “Bushing Rubber”. • The inside and outside connecting cable can be connected after opening the inlet grille. 1. Open the inlet grille manually. 2.
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 wrench, ensure the direction for tightening Gas side piping follows the arrow on the wrench.
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.
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.
Installation of Unit Checking the Drainage 1. Remove the inlet grille with your hands as shown (right and left) and pull in the direction indicated by the arrow. 2. Check the drainage • Pour a glass of water into the drain pan. •...
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) Main cable • If you connect an additional drain hose, Gas side piping the end of the drain-outlet should be kept distance from the ground.
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 ① Set operation switch at "FAN" and the fan ①...