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www.lg.com

P/NO : MFL67870412

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

VENTILATOR

[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).

OWNER’S MANUAL

AIR

CONDITIONER

IT

ALIANO

ESP
AÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERL

ANDS

POL

SKI

LIMBA ROMÂNĂ

ENGLISH

Summary of Contents for LZ-H025GBA4

Page 1: ... 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 OWNER S MANUAL AIR CONDITIONER ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ ENGLISH ...

Page 2: ... our chart of Check item prior to 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...

Page 3: ...e sure to follow the instruction WARNING Installation Do not use a defective 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 electrician or an authorized service center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product Th...

Page 4: ... for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture For re installation of the installed product always contact the dealer or an author ized service center There is risk of fire electric shock explo sion or injury Do not open the maintenance cover of the main body during operation Otherwise it may cause electrical sh...

Page 5: ... of fire or electrical shock When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off There is risk of explosion or fire 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 poss...

Page 6: ... special purposes such as preserving foods works of art etc It is a consumer ventilator not a precision refrigeration 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 damage to the plastic parts of the product Do not step on or put anyting on the product outdoor units There is risk of perso...

Page 7: ...ng precision devices food pets plants and art objects Such usage could damage the items 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 insulation leading to possible electric shock When cleaning the unit first make sure that the power and breaker a...

Page 8: ...hout connection to pipe 8 Ventilator Introduction 1 5 6 7 8 2 3 4 Models LZ H025GBA4 LZ H035GBA4 LZ H050GBA4 1 Maintenance cover 2 Air filter It prevents dust from clogging in total heat exchanger 3 Total heat exchanger It changes temperature and humidity between supplying air and exhausted air 4 Blower for exhaust air It is a fan for discharging the contaminated air to outdoor 5 Control box 6 Blo...

Page 9: ...nd general ventilation 8 Total heat exchanger holder It is used in guiding for the installation of total heat exchanger 1 5 6 7 8 2 3 4 Models LZ H080GBA4 LZ H100GBA4 1 Maintenance cover 2 Air filter It prevents dust from clogging in total heat exchanger 3 Total heat exchanger It changes temperature and humidity between supplying air and exhausted air 4 Blower for exhaust air It is a fan for disch...

Page 10: ... FAN SPEED BUTTON ON OFF BUTTON OPERATION MODE SELECTION BUTTON WIRELESS REMOTE CONTROLLER RECEIVER Some products don t receive the wireless signals AIR FLOW BUTTON SUBFUNCTION BUTTON FUNCTION SETTING BUTTON VENTILATION BUTTON RESERVATION UP DOWN LEFT RIGHT BUTTON To check the indoor temperature press button ROOM TEMPERATURE BUTTON SETTING CANCEL BUTTON EXIT BUTTON 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

Page 11: ...n in general ventilation mode will change airflow speed Pressing airflow speed button will change the mode in the order of weak strong very strong If CO2 sensor is installed it can select from weak strong very strong automatic 4 Changing back to air conditioner mode 1 Automatic conversion when no button is pressed for 15 seconds or longer it automatically converts back to air conditioner mode 2 Ma...

Page 12: ... CO2 sensor is installed it can select from weak strong very strong automatic 3 Ventilation single operation Ventilation mode Heat exchange Normal Automatic Remote controller display Contents Circulate indoor air without loss of heat Directly circulate indoor air without going through heat exchanger Circulate indoor air with automatically comparing indoor and outdoor air In the case of heat exchan...

Page 13: ... fast power saving in ventilation mode 1 Power saving is blinking on the display and pressing button will stabilize power saving icon and the function is set 2 Pressing button will exit the settings General ventilation and direct expansion ventilation have the same additional functions Ventilation heater humidifier additional function settings are the same as air conditioner 3 Fast ventilates fast...

Page 14: ...d 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 CAUTION In c...

Page 15: ... cleaning the product CAUTION Gloves should be worn when doing the maintenance work Model LZ H025GBA4 LZ H035GBA4 LZ H050GBA4 LZ H080GBA4 LZ H100GBA4 1 Remove the maintenance cover Loosen a screw on the maintenance cover Put the hands inside of the ceiling from the maintenance cover and pull the maintenance cover up Looser the hinge and detach the maintenance cover 2 Take the air filter out Take t...

Page 16: ...right topside of the total heat exchanger 3 Take the total heat exchanger out Catch the handle and then take the total heat exchanger out from the main body 4 units Main body Maintenance cover Main body Cleaner Air filter Method to clean and replace each part 1 Cleaning of air filter Clean once every 6 months Clean dirt from the air filter using a vacuum cleaner or washing with water If dirt is co...

Page 17: ... 2 years from the purchasing date Expenses are for a consideration when you will contact the service center even within 2 years from the purchasing date For service always contact the dealer or an authorized service center Main body Assemble the air filter into the holder structure Holder for total heat exchanger Total heat exchanger Assembly and check after maintenance 1 Assembly of total heat ex...

Page 18: ...e product doesn t work Is power not supplied Supply power The product doesn t work through you press the On switch Is the indoor temperature less than 15 59 or more than 40 104 It s standby mode for protecting total heat exchanger Is air filtecr total heat exchang er clogged severely Follow cleaning and changing method Are the PCB and remote con troller rightly connected Connect rightly PCB and re...

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