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P/NO : MFL67870417

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

VENTILATOR
Original instruction 

OWNER’S MANUAL

AIR

CONDITIONER

[Representative] LG Electronics Inc. EU Representative : LG Electronics European 

Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The 
Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,  

Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

For more information, Refer to the CD or LG Web site (www.lg.com).

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

Summary of Contents for MFL67870417

Page 1: ...e LG Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA For more information Refer to the CD or LG Web site www lg com ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ...

Page 2: ...o notify a failure you may not need to call for service at all PRECAUTION Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit The ventilator is not intended for use by young children or invalids without supervision Young children should be supervised to ensure that they do not play with the ventilator When the power c...

Page 3: ... NOTICE Safety Precautions Owner s Manual 3 ENGLISH Installation Do not use a defec tive or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified elec trician or an Autho rized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground ...

Page 4: ...ise it may cause electrical shock Use the outdoor air suction hole with the net installed to ensure that birds could not come in Remove estrange things like the bird s nest Otherwise it may cause scarcity of indoor oxygen Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or re install the unit by yourself customer There is risk of fire electric s...

Page 5: ... If strange sounds or small or smoke comes from product Turn the breaker off There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock When the product is soaked flooded or submerged contact an Authorized Ser vice ...

Page 6: ...trolling room temperature If this is needed install with another Indoor unit air conditioner Installation Don t touch a dedicated circuit or breaker with wet hands There is risk of electric shock Use a firm stool or ladder when cleaning or maintaining the rod uct Be careful and avoid personal injury Turn the breaker off when cleaning or maintaining the product There is risk of electric shock When ...

Page 7: ... ventilator not a precision refrigera tion system There is risk of damage or loss of property Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or dam age to the plastic parts of the product Operation Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Use a firm stool or ladder whe...

Page 8: ...ts and art objects Such usage could damage the items This unit cannot control room temperature If this is needed do not install the ventilation unit alone but rather install another indoor unit Do not touch the metal parts of the unit when removing the filter Injuries can occur when handling sharp metal edges Do not use water to clean inside the ventilator Exposure to water can destroy the insu la...

Page 9: ...polluted air outside 5 Electronic Parts Box Control box 6 Blower for Supply Air A blower for induction outside air 7 Bypass Damper Converts the ventilation via Total heat exchange to the normal ventilation 8 Holder for Total Heat Exchanger Used for installation guide of the Total heat exchanger 9 Humidifier Element 10 Direct expansion coil DX Coil 11 Gas pipe connection Ø12 7 12 Liquid pipe connec...

Page 10: ...ARNING Attaching the adapter ground terminal to the wall recep tacle cover screw does not ground the appliance unless the cover screw is metal and not insulated and the wall receptacle is ground ed through the house wiring WARNING If you have any doubt whether the ventilator is properly grounded have the wall receptacle and circuit checked by a quali fied electrician Preferred method Ensure proper...

Page 11: ...xchanged is supplied to indoor Operate the ventilator in the Ventilation via Total heat exchanger in summer winter when cool heat operation is done Ventilation via Total Heat Exchanger Exhausts the polluted indoor air directly without via the Total Heat Exchanger Operate the ventilator in the Normal Ventilation in spring autumn when the Total heat exchanger is not required Normal Ventilation CAUTI...

Page 12: ...UTTON FUNCTION SETTING BUTTON VENTILATION BUTTON RESERVATION UP DOWN LEFT RIGHT BUTTON ROOM TEMPERATURE BUT TON SETTING CANCEL BUTTON EXIT BUTTON 1 4 5 7 11 10 9 8 2 3 6 13 12 Please attach the inform label inside of the door Please choose proper language depend on your country Models PQRCVSL0 PQRCVSL0QW 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 12 Ventilator h Some functions may not be operated a...

Page 13: ...ion display window Operation and Settings status display Back button When you move to the previous stage from the menu s setting stage Up down left right button When you change the menu s setting value OK button When you save the menu s setting value On Off button When you turn ON OFF the air conditioner Operation display window On Off Button OK Button Back button Up Down Left Right Button Model P...

Page 14: ... main tenance cover and pull the maintenance cover up Looser the hinge and detach the maintenance cover 2 Take the air filter out Take the air filter with each contained to the left right downside of the Total heat exchanger 3 Take the Total heat exchanger out Catch the handle and then take the Total heat exchanger 2EA out from the main body 2 units CAUTION Take care to ensure that you could not d...

Page 15: ... purchase it from the service center or professional agent 2 Cleaning of Total Heat Exchanger Suck dusts adhered to the surface of the Total heat exchanger with a cleaner Use the cleaner that attached to brush at its nozzle and use a soft brush Do not use a hard nozzle on the cleaner Otherwise surface of the Total heat exchanger may be damaged Never wash the Total heat exchanger with water Replace...

Page 16: ...bly of air filter Assemble the air filter into the holder structure of the Total heat exchanger Take care to ensure that surface of the Total heat exchanger could not be damaged Dusts adhered to the Total heat exchanger may cause deterioration of Air volume 3 Assembly of maintenance cover Fix the cover to the right hinge and fix it to the left side A nameplate is adhered toward the reading directi...

Page 17: ...l out the Humidifier 2EA Uncork the Drain Cap to drain the remain ing water in the feed cistern Loosen the screw 3EA and detach the lid of feed cistern Loosen the screw 1EA and Detach the clamp 4 Insert the new Humidifier 2EA Confirm that the edge of top panel of humidi fier element has been hooked securely on the rail And assemble the lamp rid of cistern and drain cap WARNING Turn the breaker off...

Page 18: ...ap water consumption The solenoid valve and float switch should be checked at the beginning of heating season NOTICE Have your dealer do the following inspections in order to get the longest use In order to prevent harmful bacteria from generating ask your dealer to do maintenance on humidifying unit portion at the beginning or the end of the heating season Inspected part Content of maintenance Pr...

Page 19: ...cycle indicates recommended lengths of time until the need arises for mainte nance work in order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Life of humidifier element is about 3 years 4 000 hours under the supply water conditions of hardness 150mg l Life of humidifier element is about 1 year 1 500 ho...

Page 20: ...e than 40 C Is the Indoor temperature less than 10 C or more than 45 C Is the icon displaying on remote controller Is the icon displaying on remote controller Does the message HL display on remote controller when you push the button Is the toast massage display ing on remote controller Supply Power It s standby mode for protect ing Total Heat Exchanger It s operation mode to protect Total Heat Exc...

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