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Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

Descriptions for Control Circuit

Models: LZ-H050GBA2 / LZ-H080GBA2 / LZ-H100GBA2 / LZ-H150GBA2 / LZ-H200GBA2

Power Supply

Detecting Abnormalities

Initialization of Micom Controller

Input Data

Temperature Data

(Outdoor Temperature .

Room Temperature)

Reliability Operation by

Outdoor Temperature

Abnormal condition

Normal condition

Intermittent Operation

Normal Operation

Freezing-Preventive

Operation

Operation condition setting

by remote controller

Operation Mode

Normal Operation

Automatic Operation

Quick Operation

Power-Saving

Operation

Total Heat Exchange

Operation

Sub Function

Low

speed

High

speed

Super

high

speed

Low

speed

High

speed

Super

high

speed

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Содержание LZ-H015GBA2

Страница 1: ...ODEL LZ H015GBA2 LZ H025GBA2 LZ H035GBA2 LZ H050GBA2 CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com LZ H080GBA2 LZ H100GBA2 LZ H150GBA2 LZ H200GBA2 ...

Страница 2: ...anual TABLE OF CONTENTS Safety Precautions 3 Standards for Model 6 Product Standards 7 Descriptions for operation and functions 11 How to disassemble 14 Disassembly Diagram Deal Drawing 18 Wiring Diagram 23 Control Part Detailed Drawing 27 Descriptions for Control Circuit 29 Troubleshooting 31 Feature Dimensions Diagram 38 Accessaries Option 43 ...

Страница 3: ...ring work contact Service Center or agency you purchased the product If you disassemble of repair arbitrarily it may cause fire or electric shock Install in a place capable of the product s weight If the product is installed in a place incapable of its weight it may cause an accident by its dropping Do not arbitrarily disassemble repair or modify the product It may cause fire or electric shock Be ...

Страница 4: ...ay cause fire and electric shock Be sure to install electric leakage circuit breakers ELB and exclusive switch switch for electrics If not it may cause fire and electric shock Do not keep flammable materials or volatile gas near the product It may cause fire and breakdown Be sure to keep the product out of water It may cause electric shock and breakdown Use a fuse in standardized capacity Use a st...

Страница 5: ...ng cleaning It may cause fire and electric shock Do not connect grounding line to window frame chassis and tap It has a danger of electric shock Do not carry the product alone Otherwise it may cause physical damage Do not use for special purposes and places including animals and plants sensitive equipment and art pieces Otherwise it may cause physical damage Do not use strong detergent such as wax...

Страница 6: ...indow Electrical Rating G 220 240 V 50Hz 1Ø 220 V 60 HZ 1Ø Function A Basic L Nano Plasma Clean Wall mounted C Plasma Ceiling Cassette G Low Static Moter Serial No Marking in a developed order Ventilation Capacity Ventilating Ability Excluding the first digit of ventilating capacity per hour 50 500CMH Heat Exchange Mode H Total heat including humidity T Sensible heat temperature only Product class...

Страница 7: ...Total heat ventilation Super High High Low 0 84 0 76 0 45 100 90 55 150 150 100 130 100 50 75 75 79 62 62 69 55 55 59 32 31 22 Non woven fabric filter 22 605 W X 570 D X 185 H Item format Unit LZ H025GBA2 Power Ø V Hz Ventilation Mode Wind velocity Electric current A Electricity consumption W Airflow m3 h External static press Pa Temperature efficiency Enthalpy efficiency Heating Cooling Noise dB ...

Страница 8: ... ventilation Super High High Low 1 73 1 58 0 77 200 180 80 350 350 210 170 150 100 83 83 87 80 80 85 78 78 83 33 28 23 Non woven fabric filter 32 750 W X 680 D X 250 H Item format Unit LZ H050GBA2 Power Ø V Hz Ventilation Mode Wind velocity Electric current A Electricity consumption W Airflow m3 h External static press Pa Temperature efficiency Enthalpy efficiency Heating Cooling Noise dB A Air Fi...

Страница 9: ...entilation Super High High Low 2 77 2 16 1 44 360 270 165 800 800 660 200 110 60 79 79 82 70 70 75 65 65 70 36 34 30 Non woven fabric filter 60 1062 W X 1140 D X 365 H Item format Unit LZ H100GBA2 Power Ø V Hz Ventilation Mode Wind velocity Electric current A Electricity consumption W Airflow m3 h External static press Pa Temperature efficiency Enthalpy efficiency Heating Cooling Noise dB A Air Fi...

Страница 10: ...ilter 140 1313 W X 1140 D X 738 H Item format Unit LZ H200GBA2 Power Ø V Hz Ventilation Mode Wind velocity Electric current A Electricity consumption W Airflow m3 h External static press Pa Temperature efficiency Enthalpy efficiency Heating Cooling Noise dB A Air Filter Weight kg Dimensions mm 1 220 240 50 60 Total heat ventilation Super High High Low 6 80 5 90 3 60 930 770 420 2000 2000 1600 160 ...

Страница 11: ... 3 Models LZ H015GBA2 1 Blower for Air Supply A blower for sucking outside air 2 Control Box 3 Blower for Exhausting 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 ...

Страница 12: ...Total heat Exchanger can be different by the Product Model 1 5 6 7 8 2 3 4 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 Exhausting Air It is a fan for discharging the contaminated air to outdoor 5 Control box 6 Blower for Exhausting Air It is a ...

Страница 13: ...and general ventilation 8 Total Heat Exchanger holder It is used 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 I...

Страница 14: ...the control box cover and disassemble Total Heat Exchanger Filter Take the Maintenance Cover off and take them out in case that the Maintenance Cover is screwed up unscrew it first Be careful of sharp area when taking the Air Filter out Be careful not to drop the Total Heat Exchanger from the main body when detaching Fan Take the fan out after taking the Maintenance Cover off in case that the Main...

Страница 15: ...nscrew it first Be careful of sharp area when taking the Air Filter out Be careful not to drop the Total Heat Exchanger from the main body when detaching Fan Take the fan out after taking the Maintenance Cover off in case that the Maintenance Cover is screwed up unscrew it first Be careful of sharp area when taking the fan out In case of service operate through inspecting tool hole installed on th...

Страница 16: ...d up unscrew it first Be careful of sharp area when taking the Air Filter out Be careful not to drop the Total Heat Exchanger from the main body when detaching Fan Take the fan out after taking the Maintenance Cover off in case that the Maintenance Cover is screwed up unscrew it first Be careful of sharp area when taking the fan out Control box cover Maintenance Cover Main body Main body Main body...

Страница 17: ...d up unscrew it first Be careful of sharp area when taking the Air Filter out Be careful not to drop the Total Heat Exchanger from the main body when detaching Fan Take the fan out after taking the Maintenance Cover off in case that the Maintenance Cover is screwed up unscrew it first Be careful of sharp area when taking the fan out Control box cover Maintenance Cover Main body Main body Main body...

Страница 18: ... Only for training and service purposes LGE Internal Use Only Disassembly Diagram Deal Drawing Disassembly Diagram Deal Drawing Models LZ H015GBA2 567480A Indoor Indoor 567480B Outdoor Outdoor 340090 346810B 359012 268711E 268711 152311 359012 346810A 261704 ...

Страница 19: ...ight 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Models LZ H025GBA2 LZ H035GBA2 567480A 567480B Indoor Indoor Indoor Outdoor 359012 268711E 340090 346810B 359012 346810A 268711 159830 ...

Страница 20: ...ved Only for training and service purposes LGE Internal Use Only Disassembly Diagram Deal Drawing Models LZ H050GBA2 359012 346810 249950 146812 567480B Indoor Indoor Outdoor Outdoor 567480A 349011 159830 340090 346810 268711A 261704 268711E 349480 W6640 ...

Страница 21: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only Models LZ H080GBA2 LZ H100GBA2 268711A 346810 Indoor 346810 Outdoor 349011 567480B Indoor Outdoor 567480A 146812 359012 249950 W6640 159830 261704 340090 268711E 349490A 349490B ...

Страница 22: ...ng and service purposes LGE Internal Use Only Models LZ H150GBA2 LZ H200GBA2 159830 340090 359012 349011 567480B Indoor Outdoor 567480A 146812 268711E 268711 135511 268711E 268711 346810 346810 Indoor Outdoor 261704A 261704B 261704A 261704B W6640C 249950A W6640C 137210 135511 249950B 349490 W6640B W6640A ...

Страница 23: ...r training and service purposes LGE Internal Use Only Wiring Diagram Wiring Diagram Models LZ H015GBA2 LZ H025GBA2 LZ H035GBA2 This product has different wiring method by system configuration Perform the wiring work electric working on several necessary parts areas ...

Страница 24: ...ght reserved Only for training and service purposes LGE Internal Use Only Models LZ H050GBA2 This product has different wiring method by system configuration Perform the wiring work electric working on several necessary parts areas Wiring Diagram ...

Страница 25: ...served Only for training and service purposes LGE Internal Use Only Wiring Diagram Models LZ H080GBA2 LZ H100GBA2 This product has different wiring method by system configuration Perform the wiring work electric working on several necessary parts areas ...

Страница 26: ...served Only for training and service purposes LGE Internal Use Only Wiring Diagram Models LZ H150GBA2 LZ H200GBA2 This product has different wiring method by system configuration Perform the wiring work electric working on several necessary parts areas ...

Страница 27: ...as Identification of inside control box CN MOTOR EA CN MOTOR SA CN POWER CN DAMPER CN REMO CN OPTION CN OUT CN IN CN CO2 FUSE CN CC CN DAMPER Descriptions of symbols marking Marking Name CN POWER Power Code Connector FUSE Fuse CN MOTOR SA Fan motor connector Supplying Air CN MOTOR EA Fan motor connector Exhausted air CN DAMPER Synchronous Motor connector CN CC Central controller connector Marking ...

Страница 28: ...onnector CN CC Central controller connector Marking Name CN IN Thermistor indoor connector CN OUT Thermistor outdoor connector CN CO2 CO2 Sensor connector OPTION SWITCH Option Switch CN REMO Remote controller terminal block Models LZ H080GBA2 LZ H100GBA2 LZ H150GBA2 LZ H200GBA2 This product has different wiring method by system configuration Perform the wiring work electric working on several nece...

Страница 29: ...etecting Abnormalities Initialization of Micom Controller Input Data Temperature Data Outdoor Temperature Room Temperature Reliability Operation by Outdoor Temperature Operation condition setting by remote controller Abnormal condition Normal condition Total Heat Exchange Operation Quick Operation Power Saving Operation Low speed High speed Super high speed Sub Function Normal Operation Intermitte...

Страница 30: ...ntroller Input Data Temperature Data Outdoor Temperature Room Temperature Reliability Operation by Outdoor Temperature Abnormal condition Normal condition Intermittent Operation Normal Operation Freezing Preventive Operation Operation condition setting by remote controller Operation Mode Normal Operation Automatic Operation Quick Operation Power Saving Operation Total Heat Exchange Operation Sub F...

Страница 31: ... of PCB fan motor terminal Check the connection of connector to PCB Isn t it in defrosting operation Re construct the power Wire in accordance with power wiring diagram Replace FUSE Convert the function into Total heat exchange mode Check whether damper is operating while repeating total heat exchange and normal ventilating alternately Wire in accordance with power wiring diagram Wire in accordanc...

Страница 32: ...Check the length of transmission wire Check the length of transmission wire Check the delay mode setting of remote controller Check the wiring length of signal wire Check the external equipment Release the interlocking setting Check the connection of transmission line Check the connection of transmission line Check the wiring length of transmission line Check the power in ventilation system Check ...

Страница 33: ...g date of operation the first date of breakdown 3 Breakdown timing 4 presence of contract drawing Equipment including separate purchase control equipment wiring piping setting Breakdown mode1 system does not start normally Breakdown mode2 Abnormal failure code is displayed on remote controller LED is flickering on the circuit panel of ventilation system Breakdown mode 3 Remote controller does not ...

Страница 34: ... check the following checklist Initial checklist table table1 1 from installation to operation No Checklist 1 Are the switch capacity of main power and wiring diameter in accordance with regulations 2 Is the prescribed power supplied to power terminal in ventilation system 3 Is the wiring length of transmission line in accordance with regulations In case of wiring remote controller total extension...

Страница 35: ... line Reassembly the indoor unit Option PCB Replace the indoor unit PCB Option PCB Errors related to indoor thermistor Errors related to outdoor thermistor Remote controller communication errors Indoor unit EEPROM error CH1 CH2 CH3 CH9 Connector failure related to motor Check the connection of circuit connector and lead line connecting connector Error related to supply and exhaust fan CH10 Breakdo...

Страница 36: ...ion of transmission line CN REMO on the ventilation system panel Check the power in ventilation system Check the power Check the wiring length of transmission line With exclusive wires wire each transmission line at intervals Wire transmission line and power line at more than 50mm intervals Replace remote controller No error Activate the ventilation stop in air conditioner to stop ventilating Stop...

Страница 37: ...r conditioner made by this company by interlocking the air conditioner stops in case of defrosting Displayed power saving operation Displayed intermittent operation 40 45 No Details Possible Causes Necessary actions Check the connection of control circuit connector and lead line connecting connector Check the power Check LOCK of central control and address of ventilation system Check the connectio...

Страница 38: ...ram LZ H015GBA2 A J G H K L B E C F D Suspension Fixture Blower for Supply Air Blower for Exhaust Exhaust Air Supply Air Return Air Outdoor Air Air SA RA EA OA Unit mm It necessary to secure sufficient space for maintenance more than the dimensions described in the product service Model Nominal Diameter Weight kg Duct Connection Flange Figure Pitch of Suspension Fixture A B C D E F G H J K L Duct ...

Страница 39: ...nce Cover Blower for Supply Air F B L M E EA OA SA RA Total Heat Exchanger Control Box Air Filter C G D Unit mm It necessary to secure sufficient space for maintenance more than the dimensions described in the product service Model Figure Pitch of Suspension Fixture Nominal Diameter Duct Connection Flange Duct Pitch Weight kg A B C D E F G H J K L M LZ H025GBA2 750 680 250 850 657 711 40 150 146 1...

Страница 40: ...nce Cover Suspension Fixture Total Heat Exchanger Air Filter F RA Return Air SA Supply Air OA Outdoor Air EA Exhaust Air LZ H050GBA2 1014 988 273 939 1025 135 200 194 252 96 590 198 44 Unit mm It necessary to secure sufficient space for maintenance more than the dimensions described in the product service Model Nominal Diameter Duct Connection Flange Figure Pitch of Suspension Fixture A B C D E F ...

Страница 41: ...ixture Maintenance Cover Total Heat Exchange Element Air Filter F RA Return Air SA Supply Air OA Outdoor Air EA Exhaust Air 1062 1140 365 987 1176 180 250 242 253 98 513 481 60 Unit mm It necessary to secure sufficient space for maintenance more than the dimensions described in the product service Model Nominal Diameter Weight kg Duct Connection Flange Figure Pitch of Suspension Fixture A B C D E ...

Страница 42: ...N O A J M K L Control box Q P RA Return Air SA Supply Air OA Outdoor Air EA Exhaust Air Total Heat Exchange Element Air Filter F Suspension Fixture 1313 1140 738 987 1176 339 242 253 98 340 350 130 350 250 410 482 146 512 140 Unit mm Model Figure Pitch of Suspension Fixture Duct Connection Flange Nominal Diameter Duct Pitch Weight A B C D E F G H J K L M EA SA N O P Q kg LZ H150GBA2 LZ H200GBA2 ...

Страница 43: ...TON 4 ON OFF BUTTON 5 OPRATION MODE SELECTION BUTTON 6 WIRELESS REMOTE CONTROLLER RECEIVER Some products don t receive the wireless signals 7 AIR FLOW BUTTON 8 SUBFUNCTION BUTTON 9 FUNCTION SETTING BUTTON 10 VENTILATION BUTTON 11 RESERVATION 12 UP DOWN LEFT RIGHT BUTTON To check the indoor temperature press button 13 ROOM TEMPERATURE BUTTON 14 SETTING CANCEL BUTTON 15 EXIT BUTTON 1 4 5 7 11 10 9 8...

Страница 44: ... Button 11 Humidification Button 12 Heater Button 13 Wireless Data Receiver 14 Operation Lamp TIME RESET Linked Run Central Run Heat XCH Auto Normal Fan Speed Heater Preheat Defrost Humidify PLASMA Timer Program set Sun Mon Tue Wed Thu Fri Sat On Off Auto Set no Timer EXTERNAL VENTILATOR OPERATION SUB FUNCTION Filter Time Delay Time e SAVER Z O N E Auto 1 2 3 4 Lo Hi SHi Dual Remote fresh Timer Ca...

Страница 45: ...P No MFL63279702 FEBRUARY 2010 ...

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