LG MFL39754850 Owner'S Manual Download Page 9 | Manualshive

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Components

Symbols used in this Manual

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that may cause harm to the
air conditioner.

This symbol indicates special notes.

Air Intake Vents

Air Outlet Vents

Connecting
Wires

Piping

Drain Hose

Base Plate

Indoor unit

Outdoor unit

This appliance should be installed in accordance with national wiring regulations. This guide acts as a
guide to help to explain product features.

Front Panel

Air Filter

Air Inlet

Signal Receptor

Notice

WARNING

Features

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Summary of Contents for MFL39754850

Page 1: ... manual carefully before operating your set and retain it for future reference TYPE WALL MOUNTED P No MFL39754850 LG Electronics India Pvt Ltd Regd Office A 27 Mohan Cooperative Industrial Estate Mathura Road New Delhi 1 10044 www lg com MFL39754850 ...

Page 2: ... Recommended 24 C is suitable for human body Refer page no 20 and 21 for details ...

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Page 6: ...ubstances as specified in the rule 13 1 and 2 of the e waste Management and Handling Rules 2011 product it 1 tc g dkVs x s ifg s okys fcu dk fpº u fdlh mRikn ds lkFk layXu gksrk gSa rks bldk vFkZ gS mRikn bZ vif k V izca ku vkSj gFkkyu fu e 2011 ds vUrxZr lfEefyr fd k x k gS 2 lHkh bysfDVªdy vkSj bysDVªkfud mRiknksa dks ljdkj k LFkkuh vf kdkfj ksaa kjk fu qDr uxjikfydk vif k V kkjk ls vyx izkf kÑr...

Page 7: ... the air conditioner without the remote control MAINTENANCE 21 Cleaning the air filter Cleaning the anti allergy filter and triple filter Cleaning the plasma filter TROUBLESHOOTING 23 Self diagnosis function Before requesting service Contact the authorized service technician for repair or maintenance of this unit Please install your air conditioner by company authorised service franchisee authoris...

Page 8: ...er with stoves or other heating devices 3 Do not use this air conditioner for non specified special purpose e g preserving precision devices food pets plants or art objects Such use may damage your properties only an authorized replacement part Cleaning and Maintenance 1 Do not touch the metal parts of the unit when removing the filter Injury can occur 2 Do not use water to clean inside the air co...

Page 9: ...ioner This symbol indicates special notes Air Intake Vents Air Outlet Vents Connecting Wires Piping Drain Hose Base Plate Indoor unit Outdoor unit This appliance should be installed in accordance with national wiring regulations This guide acts as a guide to help to explain product features Front Panel Air Filter Air Inlet Signal Receptor Notice WARNING Features ...

Page 10: ...unding Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated and the wall receptacle is grounded through the house wiring If you have any doubt whether the air conditioner is properly grounded have the wall receptacle and circuit checked by a qualified electrician WARNING ...

Page 11: ...Using the remote control ...

Page 12: ...heck the room temperature ROOM TEMPERATURE CHECKING BUTTON Used to set the time of starting and stopping operation ON OFF TIMER BUTTONS Used to adjust the time TIME SETTING BUTTONS Used to set and to cancel the timer operation TIMER SET CANCEL BUTTON Used prior to resetting time RESET BUTTON nd Used to operate Dimmer Function using 2 F DIMMER Optional Used to set sleep mode auto operation SLEEP MO...

Page 13: ...owing is the display on the display screen POWER MODE POWER Following is the display on the display screen MODE POWER Heating operation Heat Pump model only In this mode indoor unit fan and outdoor unit will be OFF when set temperature is achieved ...

Page 14: ...the air conditioner is in operation Press the 2ndF Button Press the HORIZONTAL VANE CONTROL BUTTON Each time the button is pressed the air flow direction is changed in the direction of the arrow 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step Automatic Air Swing Horizontal To adjust the direction of the air flow automatically switch OFF 2ndF button and press button To adjust the direction of the air flo...

Page 15: ...receiver The timer lamp on the air conditioner and the display will go off Press POWER to turn on the power Press repeatedly to select the desired mode Press repeatedly to select the desired number of hours up to 7 hours MODE SLEEP The sleep mode will operat e indoor fan at super low speed in cooling mode and at low speed in heati ng mode for pleasan t sleep In cooling mode or healthy dehumidifi c...

Page 16: ...lasma Filter which enable you to use it as a Built in Air purifier Even when you are not using it for cooling hence minimal electricity consumption Press Key The unit will turn ON with only the fan operated and Built in Air purifier function is activated is displayed on the display screen In this mode the compressor will not operate hence saves electricity This function may not be supported depend...

Page 17: ...n the power AUTOCLEAN Press POWER to turn on the power During Auto Clean function Co will be displayed on the unit Plasma Purification operation Optional Both the plasma lamp and the power lamp light up while plasma purification is in operation ...

Page 18: ...on of the air conditioner But during this operation the controller change the operation mode automatically to keep the temperature within 2 C with respect to the setting temperature MODE 1 Press POWER to turn on the power 2 Open the remot e cont rol cover 3 Press repeatedly to select auto opera tion 22 ...

Page 19: ...Dimmer Mode Unit Display will be turned OFF completely but system will be in running state Dimmer Mode will be cancelled if any key nd except 2 F Key andRoom Key is pressed Power Keywill turn OFF the Unit Press POWER to turn on the power QUIET Press POWER to turn on the power 22 Following is displayed on the display screen In this mode temperature may increase after some time but only upto 26 C Th...

Page 20: ... pump Model Cooling Model RoomTemp 24 C 21 C RoomTemp 24 C RoomTemp 21 C Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High High Setting Temperature 22 C 22 C 23 C 24 C restart Optional ...

Page 21: ...MAINTENANCE 21 ...

Page 22: ... Drain Hose Side Rear Air intake vents Air outlet vents Piping Drain Hose The heat exchanger coils and panel vents of the outdoor unit should be checked regularly If clogged with dirt or soot the heat exchanger and panel vents may be professionally steam cleaned Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs NOTICE Outdoor Unit ...

Page 23: ...TROUBLESHOOTING 23 ...

Page 24: ...he circuit breaker and disconnect the plug Remove the batteries from the remote control Turn off the circuit breaker when the air conditioner is not going to be used for a long time Dirt may collect and may cause a fire Clean the air filter and install it in the indoor unit Refer to page 26 for cleaning filters Check that the air inlet and outlet of the indoor outdoor unit are not blocked CAUTION ...

Page 25: ...uilding Near New Anaj Mandi Opp New World Restauarnt G T Road Karnal Haryana LGEIL B 537 Hari Kunj Keshav Nagar Sitapur Road Lucknow 226020 LGEIL Village Jhande Near Badowal Railway Station Opp Ferozpur Road Ludhiana LGEIL Trade Star 4th Floor A Wing J B Nagar Andheri Kurla Road Andheri E Mumbai 400059 LGEIL 5A Road No 13 Behind Msrtc Workshop MIDC Hinga Nagpur 440016 LGEIL 2nd Floor Ankit Chandra...

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Page 29: ...e of the intake and discharge of air 1 2 For reference the gas side pressure of optimum condition is as below Cooling 4 Outside ambient TEMP The pressure of the gas side service valve 35 C 95 F 2 4 5kg cm G 56 8 71 0 P S I G NOTE If the actual pressure are higher than shown the system is most likely over charged and charge should be removed If the actual pressureare lower than shown the system is ...

Page 30: ...ation Required time for evacuation when 30 gal h vacuum pump is used If tubing length is less than 10m 33 ft 10 min or more 15 min or more If tubing length is longer than 10m 33 ft When the desired vacuum is reached close the Lo knob of the manifold valve and stop the vacuum pump D Finishing the job With a service valve wrench turn the valve stem of liquid side valve counter clockwise to fully ope...

Page 31: ...n the outdoor unit are kept closed at this stage B Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 150 P S I G with dr...

Page 32: ...connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room Fix the piping onto the wall by saddle or equivalent Seal small openings around pipings with a gum type sealer Trap is required to prevent water from entering into electrical parts Seal a small opening around the pipings with gum type sealer Trap Trap Downward slope A To ...

Page 33: ... the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires Specification of power source Confirm that electrical capability is sufficient See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate Confirm that the cable thickne...

Page 34: ... Btu h NORMAL CROSS SECTIONAL AREA 9K 12K 18K 24K 26K 2 1 0 mm 2 mm2 0 2 2 5mm NORMAL CROSS SECTIONAL 2 AREA 0 75mm The length of the power supply cord should be over 1 8m measured from the power supply cord entry of the cabinet to the middle of the live pin of the plug Cooling model 1 5 2 0 Ton Heat pump model 1 5 2 0 Ton RED BLACK BLUE Terminals on the indoor unit Color of Wires 1 L 2 N Color of...

Page 35: ...ed at the bottom of chassis J Indoor unit installation Remove the spacer Ensure that the hooks are properly seated on the installation plate by moving it left and right Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Connection of the pipes Outdoor When tightening the flare nut with torque wrench ensure the dire...

Page 36: ...ation plate Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall F Connecting the pipings to the indoor unit and the drain hose to drain pipe Align the center of the pipings and sufficiently tighten the flare nut by hand When extending the drain hose at the indoor unit install the drain pipe G Wrap the insulation material...

Page 37: ... over the range within which they fit into the rear piping housing section Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose B Insert the piping drain hose and the connecting cable into the piping hole F Wrap the insulation material around the connecting portion A Route the indoor tubing and the drain hose to the required piping hole position For right rear piping When extending the dra...

Page 38: ...Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are properly seated on the installation plate by moving it left and right A Route the indoor tubing and the drain hose in the direction of rear left Drain hose B Insert the connecti...

Page 39: ...rder to avoid dropping burrs into the tubing E Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again C Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Copper pipe 90 Slanted Uneven Rough Pipe Reamer Point down Flare...

Page 40: ...f line Thread Weight Type A screw Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side Indoor WALL Outdoor 5 7mm 0 2 0 3 CAUTION Make sure that the drilled hole in the wall is properly sealed using a proper sealant for example cement plaster of paris etc after passing the installation pipe draina...

Page 41: ...from the floors more than 2 3 meters B If an awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space Do not place animals and plants in the path of the warm air Take the air conditioner weigh...

Page 42: ...er Electric Drill Hole Core Drill Dia 70mm Flaring Tool Set Specified torque wrenches 1 8kg m 4 2kg m 5 5kg m 6 6kg m Different depending on model no Spanner Half Union A glass of water Hexagonal Wrench Gas Leak Detector Vacuum Pump Gauge Manifold Owner s Manual Thermometer INSTALLATION TOOLS 7 ...

Page 43: ... Additional drain pipe Vinyl tape Narrow Saddle INSTALLATION PARTS 6 Installation parts you must purchase Installation plate Sleeve Bushing Sleeve Putty Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful that it doesn t break Vinyl tape Wide Apply after carrying out a drainahe test To carry out the drainage test remove the air filters and pour water into the heat excha...

Page 44: ...e cable between indoor unit and outdoor unit Checking the drainage and forming the piping Air purging Test running Installation of Indoor Outdoor Unit Flaring Work and Connection of Piping TABLE OF CONTENTS 5 INSTALLATION PARTS INSTALLATION 6 8 Connection of piping Indoor For right rear piping For left rear piping Connection of piping Outdoor ...

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Page 47: ... Recommended 24 C is suitable for human body Refer page no 21 and 22 owner s manual ...

Page 48: ...l be performed by authorized personnel on y 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 P No MFL39754850 LG Electronics India Pvt Ltd Regd Office A 27 Mohan Cooperative Industrial Estate Mathura Road New Delhi 1 10044 www lg com ...

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