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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 : MFL68588802
www.lg.com
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Table of Contents
Related Manuals for LG APUC488TLA0
Summary of Contents for LG APUC488TLA0
- 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 : MFL68588802...
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING... - Page 4 IMPORTANT SAFETY INSTRUCTIONS • Do not let the air conditioner run for a long time when the humidity is very high and a door or a win- dow is left open. - Moisture may condense and wet or damage furniture. •...
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- ERGY IMPORTANT SAFETY IN- STRUCTIONS INSTALLATION OF UNIT Selection of the best location Piping length and the elevation The Indoor Unit Installation Outdoor unit Installation Refrigerant amount Installation Method Preparation of installation parts and tools Plumbing materials and storage meth- Nitrogen substitution method... -
Page 6: Installation Of Unit
INSTALLATION OF UNIT INSTALLATION OF UNIT Selection of the best location Outdoor unit - If an awning is built over the unit to prevent Indoor unit direct sunlight or rain exposure, be careful that heat radiation from the condenser is not - There should not be any heat source or restricted. -
Page 7: Piping Length And The Elevation
INSTALLATION OF UNIT Piping length and the elevation Max. Max. PIPE SIZE [mm(inch)] MODEL Length Elevation GAS SIDE LIQUID SIDE A (m) B (m) 48 k Ø15.88(5/8) Ø9.52(3/8) Indoor unit Outdoor unit ATTENTION • Capacity is based on standard length and maximum allowance length is on the basis of reli- ability. -
Page 8: The Indoor Unit Installation
INSTALLATION OF UNIT The Indoor Unit Installation Outdoor unit Installation The mounting floor should be strong and Install the outdoor unit on the concrete or solid enough to prevent it from vibration. any solid base securely and horizontally by securing it with bolts (Ø12 mm) and nuts. Drill the piping hole with 70 mm diameter hole-core drill at either the right or the left If there is any vibration transmitted to the... -
Page 9: Installation Method
INSTALLATION OF UNIT Installation Method Installation works Descriptions Preparation of tools and installation parts Preparation of installation To insert the flare nuts, mounted on the con- Flaring the pipes nection parts of both indoor and outdoor unit, onto the copper pipes. To insert the flare nuts, mounted on the con- Pipe bending nection parts of both indoor and outdoor unit,... -
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 35 mm Copper pipe) Cutting the pipings Wrench (H5, H4 hexagonal wrench) To open the service valve Pipe bender... -
Page 11: Plumbing Materials And Storage Methods
INSTALLATION OF UNIT 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. -
Page 12: Nitrogen Substitution Method
INSTALLATION OF UNIT 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. -
Page 13: 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 following procedure. Cut the pipes and the cable. - Use the accessory piping kit or the pipes pur- Copper Slanted Uneven Rough tube... -
Page 14: Connection Of Piping
INSTALLATION OF UNIT Connection of piping Spanner (fixed) Move the indoor tubing and drain hose to the hole Flare nut - Remove tubing holder and pull the tubing out of the chassis. Connection pipe Torque wrench Replace the tubing holder into original posi- tion Indoor unit tubing Route the tubing and the drain hose... -
Page 15: Form The Piping
Open the control cover with Driver(⊕). swinging in the wind.) Connect the cables (LG does not supply) to * In case of the outdoor unit is installed below the terminal block in the control box. -
Page 16: Connecting The Cables To The Outdoor Unit
INSTALLATION OF UNIT Connecting the cables to the outdoor unit Remove the front panel(Right) from the unit by loosening the screw. Connect the wires to the terminals on the control board individually. Secure the cable onto the control board with the cord clamp. Refix the front panel(Right) to the original position with the screw. -
Page 17: Power Supply And Wiring
INSTALLATION OF UNIT Power Supply and Wiring - Provide a recognized circuit breaker as below between power source and unit. A disconnection device to adequately dis- connect all supply lines must be fitted. The unit is completely wired internally at the (for service operations) factory according to general rule of electrical technology, but local rules, if they are re-... -
Page 18: 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. Confirm that both the liquid side valve and the gas side valve are set to the closed position. After connecting the piping, check the joints for gas leakage with gas leak detector. -
Page 19: Checking The Drainage
INSTALLATION OF UNIT Checking the Drainage Remove the inlet grille with your hands as shown (right and left) and pull in the direction indi- cated by the arrow. Check the drainage - Pour a glass of water into the drain pan. - Ensure if water flows drain hose of indoor unit. -
Page 20: Final Check And Test Run
FINAL CHECK AND TEST RUN FINAL CHECK AND TEST RUN After installing the unit, perform the final check and running test as follows: Final check points ① Is the unit securely mounted? ② Is the installation location adequate? ③ Is the water piping work adequately and without leakage? ④... -
Page 21: Installation Guide At The Seaside
Sea wind - If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorro- sion. - Periodic ( more than once/year ) clean- ing of the dust or salt particles stuck on...