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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.
TYPE : Floor Standing
P/NO : 3828A20155M
www.lg.com
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Table of Contents
Related Manuals for LG LPUC306KA0
Summary of Contents for LG LPUC306KA0
- 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. TYPE : Floor Standing www.lg.com P/NO : 3828A20155M...
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Page 2: Table Of Contents
Package Type Air Conditioner Installation Manual TABLE OF CONTENTS OUT-LINE OF INSTALLATION Safety Precautions ..................3 Installation of 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..............................9 6) Preparation of installation parts and tools ......................10 7) Preparation of piping............................11... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I 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. - Page 4 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.
- Page 5 Safety Precautions CAUTION I 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.
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Page 6: Installation Of Unit
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 •... - Page 7 Installation of Unit 3. Piping length and the elevation Max. Max. PIPE SIZE MODEL Elevation Length GAS SIDE LIQUID SIDE A (m) B (m) 28K/30K " " Indoor unit Outdoor unit CAUTION: • Capacity is based on standard length and maximum allowance length is on the basis of reliability.
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Page 8: Indoor Unit Installation
Installation of Unit The Indoor Unit Installation Wall Core Drill 200mm 70mm 70mm INSIDE OUTSIDE 1. The mounting floor should be strong and solid enough to prevent it from vibration. Wall Plastic tube 2. Drill the piping hole with 70mm diameter hole- (Bushing) core drill at either the right or the left of indoor unit. -
Page 9: Installation Method
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. -
Page 10: Preparation Of Installation Parts And Tools
Installation of Unit Preparation of installation parts and tools Installation Parts, Tools Flaring tool (Ø 9.52 - Ø 15.88) 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... -
Page 11: Preparation Of Piping
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. -
Page 12: Connection Of Piping
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. -
Page 13: Connecting The Cable To The Indoor Unit
1. Open the inlet grille manually. (Fig 1) 2. Open the control cover with Driver( ). 3. Connect the cables (LG does not supply) to the terminal block in the control box. 4. Secure the control cover to the original position with the screw. -
Page 14: Connecting The Piping To The Outdoor Unit
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. -
Page 15: Power Supply And Wiring
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. -
Page 16: Vacuum Drying Of The Connecting Pipes And The Indoor Unit
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. -
Page 17: Check The Drainage
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. •... -
Page 18: Form The Pipe
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 distance from the ground. -
Page 19: Final Check And Test Run
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. - Page 20 Memo 20 Floor Standing type Air Conditioner...