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Owner's Manual 

19

Maintenance and Service

ENGLISH

Model: LZ-H050GBA2 / LZ-H080GBA2 / LZ-H100GBA2

1. Remove the maintenance cover.

Put the hands inside of the ceiling from the 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.  

h

If it adheres to the ceiling in reverse, it is
equal to the left/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. (2 units)

CAUTION: Take care to ensure that you
could not damage when taking the air fil-
ter out since there is a sharp part on it. 

WARNING: Turn the breaker off when
cleaning the product.

CAUTION: Gloves should be worn when
doing the maintenance work.

Main Body

Handle

Main Body

Air Filter

Main Body

Summary of Contents for LZ-H015GBA2

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 ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ ENGLISH...

Page 2: ...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 the ventil...

Page 3: ...e sure to follow the instruction n 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 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 There i...

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 Install the air intake where pollut ed air can not be directly sucked in It may cause various accidents including suffocation due to the suction of harmful gasses CO etc Install ...

Page 5: ...e If strange sounds or small or smoke comes from product Turn the breaker off There is risk of elec tric shock or fire Do not touch oper ate the product with wet hands There is risk of fire or electrical shock Do not place a heater or other appli ances near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts It may cause There is risk of fire fail...

Page 6: ... for special purposes such as preserving foods works of art etc It is a consumer ventila tor 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 sol vents etc There is risk of fire electric shock or damage to the plastic parts of the product n Operation n Installation Use two or more people to lift and transport the...

Page 7: ... stoves or other heating devices 3 Do not use this ventilator for non specified special purposes e g preserving preci sion devices food pets plants and art objects Such usage could damage the items 1 Do not touch the metal parts of the unit when removing the filter Injuries can occur when handling sharp metal edges 2 Do not use water to clean inside the ventilator Exposure to water can destroy the...

Page 8: ...lations This guide acts as a guide to help to explain product features 1 Blower for Supply Air A blower for sucking outside air 2 Control Box 3 Blower for Exhaust Air A blower for draining polluted air outside 4 Maintenance cover 5 Total Heat Exchanger Exchanges temperature and moisture between air supply air and exhaust air 6 Air Filter Prevents clogging of the Total heat exchanger due to dust h ...

Page 9: ... the Product Model Models LZ H050GBA2 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 Blower for Supply Air It is a fan for inhaling exterior air into an indoor...

Page 10: ...of Total Heat Exchanger h The form of Total Heat Exchanger varies according to models h The form of Total Heat Exchanger varies according to models 1 2 3 4 5 6 7 8 Models LZ H150GBA2 LZ H200GBA2 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 Supply ing Air and exhausted air 4 Blower for Exha...

Page 11: ... TEMPERATURE BUTTON FAN SPEED BUTTON ON OFF BUTTON OPERATION MODE SELECTION BUTTON WIRELESS REMOTE CON TROLLER RECEIVER Some products don t receive the wireless signals AIR FLOW BUTTON SUBFUNCTION BUTTON FUNCTION SETTING BUTTON VENTILATION BUTTON RESERVATION UP DOWN LEFT RIGHT BUT TON To check the indoor temperature press button ROOM TEMPERATURE BUT TON SETTING CANCEL BUTTON EXIT BUTTON 1 2 3 4 5 ...

Page 12: ...ed Pressing airflow speed button will change the mode in the order of weak strong extra 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 Manual Conversion Pressing button in ventilation mode ...

Page 13: ...select from weak strong very strong If 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 ...

Page 14: ... 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 Power Saving efficiently ventilates and performs pow...

Page 15: ...rom the power wire WARNING 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 ...

Page 16: ...ger Return Air Supply Air Exhausts indoor air via the Total Heat Exchanger outdoor The outdoor air heat exchanged 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 ...

Page 17: ...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 cas...

Page 18: ...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 h If it adheres to the ceiling in reverse it is equal to the left right topside of the Total heat exchang er 3 Take the Total heat exchanger out Catch the handle and then take the T...

Page 19: ...t downside of the Total heat exchanger h If it adheres to the ceiling in reverse it is equal to the left 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 2 units CAUTION Take care to ensure that you could not damage when taking the air fil ter out since there is a sharp part on it WARNING Tu...

Page 20: ...t adheres to the ceiling in reverse it is equal to the left 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 2 units CAUTION Take care to ensure that you could not damage when taking the air fil ter out since there is a sharp part on it WARNING Turn the breaker off when cleaning the product ...

Page 21: ...lter is damaged 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 wit...

Page 22: ...erioration of Air volume WARNING Turn the breaker off when cleaning the product CAUTION Gloves should be worn when doing the maintenance work 22 Ventilator Check Item prior to notify a failure Check Item prior to notify a failure The Product doesn t work The Product doesn t work through you press the ON switch Even though you change the fan speed the operation mode doesn t change and it changes to...

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