LG LSN3AT5D Owner'S Manual Download Page 1

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OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating
your set and retain it for future reference.

TYPE : WALL MOUNTED

P/No. MFL39754865_V2

MFL39754865

www.lg.com

LG Electronics India Pvt. Ltd.

Registered Office

A Wing ( 3rd Floor )

D-3 , District Center, Saket , New Delhi -110017

Summary of Contents for LSN3AT5D

Page 1: ...s manual carefully before operating your set and retain it for future reference TYPE WALL MOUNTED P No MFL39754865_V2 MFL39754865 www lg com LG Electronics India Pvt Ltd Registered Office A Wing 3rd Floor D 3 District Center Saket New Delhi 1 10017 ...

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

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Page 5: ...inner cleaning contact an Authorized Service Center or a dealer Do not use harsh detergent that causes corrosion or damage on the unit Harsh detergent that causes failure or product fire or electronic shock ...

Page 6: ... India Pvt Ltd merely as a facilitator For more detailed information please visit http www lge com in vius iqjkus midj k dk fuiVku bZ vif k V ds vuqlkj fu e 1 tc bl dkVs x s ifg s okys fcu dk fpº u fdlh midj k vkSj blds vksisjVj dh iqfLrdk ds lkFk layXu gksrk gSa rks bldk eryc gS fd bls bZ vif k V izca ku vkSj gFkkyu fu e 2011 ds vUrxZr lfEefyr fd k x k gS vkSj bls uohuhdj k fo kVu vkSj fuiVku ds ...

Page 7: ...ng the air conditioner automatically MAINTENANCE 18 Cleaning the air filter Cleaning the anti allergy filter and triple filter Cleaning the plasma filter TROUBLESHOOTING 21 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 authorised service ...

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: ...hing 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 Using the remote control ...

Page 11: ...perature when cool ing and heating fan speed air flow direction Use to remove excess moisture M SOON H COOL button Cools down the indoor temperature within a short period of time the start end time display ON or OFF AM ON OFF A CLEAN Turn indoor unit controller settings remote LIGHT H COOL Display Screen Control Panel 2 H COOL Used to start or stop Mosquito Away operation Mosquito Away operation b...

Page 12: ... mode removes excess moisture from environment with high humidity or in the rainy season in order to prevent mold from setting in This mode adjusts the room temperature and the fan speed automatically to maintain the optimal level of humidity 1 Press to turn on the power 2 Press to select the monsoon operation is displayed on the display screen NOTE Cooling only models do not support this function...

Page 13: ...trarily may cause product failure If you restart the air conditioner it starts to operate with the previously set direc tion of air flow so the air deflector may not match the icon displayed on the re mote control When this occurs press or to adjust the direction of the air flow again Airing your room Air Circulation operation This mode only circulates the indoor air without changing the room temp...

Page 14: ...setting to cancel 2 Press To cancel all timer settings press Setting sleep mode Use the sleep mode to turn off the air condi tioner automatically when you go to sleep 1 Press to turn on the power 2 Press 3 Press or to select the hour up to 7 hours 4 Press to finish is displayed on the display screen in sleep mode desired time desired time desired time This mode does not have auto restart feature T...

Page 15: ...nction Co will be displayed on the unit Power saving lamp blink depending on the model Energy saving cooling mode This mode minimizes power consumption dur ing cooling and increases the set temperature to the optimal level for a more comfortable en vironment The temperature automatically sets at 22 C if ambient temperature is below 22 C The temperature maintains if ambient temper ature is above 22...

Page 16: ...ngeover Optional 1 Press to turn on the power 2 Press repeatedly to select auto operation This operation is basically heating or cooling function 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 Cooling only models Heat pump models NOTE This function may not be supporte...

Page 17: ...el Room Temp 24 C 21 C Room Temp 24 C Room Temp 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 If you want to stop the unit re press the power button 8 Open the front panel upward ON OFF button restart Optional ...

Page 18: ...MAINTENANCE 18 Micro Protection filter Micro Protection filter 1 Use soap solution to clean the heat exchanger coils and the panel vents consult with technician ...

Page 19: ...MAINTENANCE 19 Plz do not press the mesh with finger as shown above Caution ...

Page 20: ...differ depending on the model The feature can be changed according to type of model Side Rear Air intake vents Air outlet vents Piping Drain Hose Side Rear Air intake vents Air outlet vents Piping 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 exc...

Page 21: ...TROUBLESHOOTING 21 call call call call ...

Page 22: ...that the air inlet and outlet of the indoor outdoor unit are not blocked CAUTION When the air conditioner is not going to be used for a long time Tak tak noise from indoor unit Contraction or expa nsion of plastic com ponents due to chan ge in temperature It is a natural phenomenon and can only be reduced but not overcome completely The auto operation jet operation is selected In some operation mo...

Page 23: ...est Result Found to repel on average 81 1 of Aedes aegypti mosquitoes Repel rate shows percentage of mosquitoes prevented from entering the inside chamber after 90 minutes of Treatment setting compared to Control setting Represented average of 81 1 derived from 76 9 84 6 81 8 B Tested by Intertek Korea According to LG internal testing method Test conducted three times at temperature of 27 2 C and ...

Page 24: ......

Page 25: ...20 INSTALLATION Do not use sea water for this purpose ...

Page 26: ...s side service valve Measure the temperature of the intake and discharge of air 1 2 For reference the gas side pressure of optimum condition is as below Cooling 4 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 most likely undercharged and charge should be added The air co...

Page 27: ...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 28: ...ice port with charge hoses Do a leak test of all joints of the tubing both indoor and outdoor and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder When the system pressure is reduced to normal disc...

Page 29: ...nd 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 sealant Trap is required to prevent water from entering into electrical parts Seal a small opening around the pipings with gum type sealant Trap Trap Downward slope ...

Page 30: ...urse 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 thickness is as specified in the power sour...

Page 31: ...UTION The power cord connected to the indoor unit should be compiled with the following specifications Type H05VV F approved by HAR or SAA The power connecting cable connected to the indoor and outdoor unit should be compiled with the following specifications Type H07RN F approved by HAR or SAA The connecting signal cable connected to the indoor and outdoor unit should be compiled with the followi...

Page 32: ...ly 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 direction for tightening follows the arrow on the wrench A Align the center of the pipings and sufficiently t...

Page 33: ...om 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 around the connecting portion Overlap the connection pipe heat insulation and the indoor unit pipe heat i...

Page 34: ...in 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 drain hose at the indoor unit install the drain pipe Overlap the connection pipe insulation material and the...

Page 35: ...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 36: ...ction as you remove burrs in order 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 Roug...

Page 37: ...ll 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 drainage pipe and the inter connecting cabl...

Page 38: ...s 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 30cm 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 weight into account and select a place w...

Page 39: ...ge Screw Driver 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 Hexagonal Wrench Gas Leak Detector Vacuum Pump Gauge Manifold Thermometer INSTALLATION TOOLS 6 ...

Page 40: ...g Liquid side piping Additional drain pipe Vinyl tape Saddle INSTALLATION PARTS 5 Installation parts you must purchase Installation plate Sleeve Bushing Sleeve Putty Gum Type Sealant 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 ...

Page 41: ...6 17 19 20 Connecting the cable between indoor unit and outdoor unit Checking the drainage and forming the piping Air purging Test running Installation guide at the seaside Installation of Indoor Outdoor Unit Flaring Work and Connection of Piping INSTALLATION 7 Connection of piping Indoor For right rear piping For left rear piping Connection of piping Outdoor ...

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Page 43: ... Recommended 24 C is suitable for human body Refer page no 21 and 22 owner s manual ...

Page 44: ...performed by authorized personnel only 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 MFL39754865_V2 MFL39754865 www lg com LG Electronics India Pvt Ltd Registered Office A Wing 3rd Floor D 3 District Center Saket New Delhi 1 10017 ...

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