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Ventilator

Introduction

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Models: LZ-H025GBA2 / LZ-H035GBA2

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.

The figure of Total heat Exchanger can be different by 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 space. 

7. Damper plate(board) 

It converts exchanging mode between total
heat ventilation and general ventilation. 

8. Total Heat Exchanger holder 

It is used in guiding for the installation of
Total Heat Exchanger. 

The figure of Total heat Exchanger can be different by the Product Model.

Summary of Contents for LZ-H025GBA2

Page 1: ... lg com OWNER S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference TYPE VENTILATOR ENGLISH ITALIANO ESPAÑOL FRANCAIS DEUTSCH ΕΛΛΗΝΙΚΆ PORTUGUESE NEDERLANDS ...

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: ...is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shoc...

Page 4: ... weight Otherwise it may cause accident due to falling of the product Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock Do not place anything on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not store or use...

Page 5: ...sed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Operation Do not expose the skin directly to cool air for long periods of time Don t sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods works o...

Page 6: ...s or other heating devices 3 Do not use this ventilator for non specified special purposes e g preserving precision 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 insula...

Page 7: ...rdance with national wiring regulations 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 Tot...

Page 8: ...roduct 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 space...

Page 9: ...sed in guiding for the installation of Total Heat Exchanger The form of Total Heat Exchanger varies according to models 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 Supplying Air and ...

Page 10: ...PERATURE BUTTON 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...

Page 11: ... condition mode 3 Pressing button in general ventilation mode will change airflow speed 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 ...

Page 12: ... 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 outdoo...

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: ...he power wire WARNING 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 WARNING If you have any doubt whether the ventilator is properly grounded have the wall receptacle and circuit checked by a qualified electrician Preferred method E...

Page 15: ...Exchanger 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 16: ...plied 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 case of h...

Page 17: ... 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 the air filter with each contained to the left right downside of the Total heat exchanger 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 exchang...

Page 18: ...nside of the Total heat exchanger 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 filter out since there is a sharp part on it WARNING Turn the b...

Page 19: ...t downside of the Total heat exchanger 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 filter out since there is a sharp part on it WARNING Turn ...

Page 20: ...s 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 with wate...

Page 21: ...and slide them into the inside of the main body 2 Assembly 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...

Page 22: ... doesn t change and it changes to Auto or Low Is power not supplied Is Air Filter Total heat exchanger clogged severely Is the Indoor temperature less than 10 c or more than 45 C Is the Indoor temperature less than 10 C or more than 45 C Supply Power Follow cleaning and changing method It s standby mode for protecting Total Heat Exchanger It s operation mode to protect Total Heat Exchanger Symptom...

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