ENGLISH FRANÇAIS ESPAÑOL 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. 4-WAY CEILING CASSETTE www.lg.com P/NO : MFL61971220 Copyright © 2013 - 2018 LG Electronics Inc. All Rights Reserved.
TIPS FOR SAVING ENERGY ENGLISH 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: • Do not cool excessively indoors. This may be harmful for your health and may consume more electricity. • Block sunlight with blinds or curtains while you are operating the air conditioner.
SAFETY PRECAUTIONS 3 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 • Installation or repairs made by unqualified persons can result in hazards to you and others.
SAFETY PRECAUTIONS ENGLISH Operation • Do not share the outlet with other appliances. - It will cause an electric shock or a fire due to heat generation. • Do not use the damaged power cord. - Otherwise, it may cause a fire or electrical shock. • Do not modify or extend the power cord randomly. - Otherwise, it may cause a fire or electrical shock. • Take care so that the power cord may not be pulled during operation. - Otherwise, it may cause a fire or electrical shock.
TABLE OF CONTENTS 5 ENGLISH TABLE OF CONTENTS 6 INSTALLATION PLACES 13 TEST RUNNING 7 THE INDOOR UNIT INSTALLATION 14 INSTALLATION 8 Indoor Unit Drain Piping 14 9 Wiring Connection Installer Setting - How to enter installer setting mode 15 Installer Setting - Installer Setting Code Table 16 Installer Setting - Setting Address of Central Control 16 Installer Setting - Checking Address of Central Control 11 INSTALLATION OF DECORATIVE PANEL(ACCESSORY) INSTRUCTIONS
INSTALLATION PLACES 300(11-13/16) or more - 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 by arrows from the wall, ceiling, or other obstacles.
THE INDOOR UNIT INSTALLATION 7 ENGLISH THE INDOOR UNIT INSTALLATION ! CAUTION Ceiling Level gauge • This air-conditioner uses a drain pump. • Install the unit horizontally using a level gauge. • During the installation, care should be taken not to damage electric wires. Ceiling board ! NOTE Avoid the following installation location.
THE INDOOR UNIT INSTALLATION Wall Indoor Hanging bolt (W3/8 or M10) Nut (W3/8 or M10) Flat washer with insulation attached (Install insulation to be in contact with the indoor unit hanger part.) Spring washer (M10) Flat washer for M10 (accessory) Nut (W3/8 or M10) The following parts is option.
THE INDOOR UNIT INSTALLATION 800(31-1/2) or less 1,000(39.4)~ 1,500(59.1) Drain raising pipe Drain hose(attached) Clamp metal(attached) Unit:mm(inch) Heat insulation material: Polyethylene foam with thickness more than 8mm(0.3inch). Drain test The air conditioner uses a drain pump to drain water. Use the following procedure to test the drain pump operation: - Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end.
THE INDOOR UNIT INSTALLATION ENGLISH Precautions when laying power and ground wiring Lock nut Conduit mounting plate Conduit Use round pressure terminals for connections to the power terminal block. When laying ground wiring, you must use round pressure terminals.
INSTALLATION OF DECORATIVE PANEL(ACCESSORY) 11 The decorative panel has its installation direction. Before installing the decorative panel, always remove the paper template. 1 Remove the packing and take out air inlet grille from front panel. 4 Insert two screws on diagonal corners of panel. Do not tighten the bolts completely. (The fixing screws are included in the indoor unit box.) Check the alignment of panel with the ceiling. Height can be adjusted using hanging bolts as shown in picture.
Link 12 INSTALLATION OF DECORATIVE PANEL(ACCESSORY) ENGLISH 7 Connect one display connector and two vane control connectors of front panel to indoor unit PCB. The position marking on PCB is as: Display connector : CN-DISPLAY Vane control connector: CN-VANE 1,2 CN-VANE 1,2 Filter guide 11 Install the air inlet grille and Filter on the panel. CN-DISPLAY 8 Close the cover for control box. ! CAUTION Install certainly the decorative panel. Cool air leakage causes sweating. ⇨ Water drops fall.
TEST RUNNING 13 ENGLISH TEST RUNNING PRECAUTIONS IN TEST RUN - The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. Connection of power supply - Connect the power supply cord to the independent power supply. Circuit breaker is required. - Operate the unit for 15 minutes or more. ! CAUTION • For test run, carry out the cooling operation firstly even during heating season.
INSTALLATION INSTRUCTIONS ENGLISH INSTALLATION INSTRUCTIONS Installer Setting - How to enter installer setting mode ! CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it can cause problems to the product, user injury or property damage. This must be set by an certificated installer, and any installation or change that is carried out by a non-certificated person should be responsible for the results.
INSTALLATION INSTRUCTIONS 15 ENGLISH Installer Setting - Installer Setting Code Table No.
INSTALLATION INSTRUCTIONS ENGLISH Installer Setting - Setting Address of Central Control 1 With the MODE button pressed, press the RESET button. 2 By using the temperature setting button, set the indoor unit address. - Setting range : 00 ~ FF 3 After setting the address, press the ON/OFF button toward the indoor unit 1 time. 4 The indoor unit will display the set address to complete the address setting. - The address display time and method can differ by the indoor uint type.
US CANADA Please call the installing contractor of your product, as warranty service will be provided by them.
