LG LZ-H025GBA4 Installation Manual Download | Manualshive

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Ventilator

Installation

Ceiling fixing bolt
(M10)

Nut

Washer

Spring washer

Nut

Assembly of washer, nut

Tighten the common washer and nut (more than 21mm
for the outside diameter of M10, to the commercial
ceiling fixing bolt (M10) as shown in the right figure.

• For the ceiling fixing bolt, perform work less than

50mm under the ceiling fixing bracket.

Connection of duct

After securely connect the duct with the duct connection flange, wrap it with a commercial aluminium
tape so that air cannot be leaked.

Adjust the duct from the ceiling so that no force is applied to the main body of the ventilation system.

Always use two ducts at the outdoor with the heat insulating material for prevention of dewing.

Duct

Taping

Installation of main body

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Summary of Contents for LZ-H025GBA4

Page 1: ...TILATOR Original instruction 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 INSTALLATION MANUAL AIR CONDITIONER Copyright 2018 LG Electronics Inc All Rights Reserved MFL67855541 Rev 00_0...

Page 2: ... to connect remote controller accessory 17 How to use the filter check alarm function by filter clogging LZ H150 200GBA5 18 Group control 19 Installer setting How to enter installer setting mode 20 Available accessories 22 TEST RUNNING 22 Method to operate and select air volume Interlinked operation with ventilation 23 Method to operate and select air volume Ventilation single operation 24 In case...

Page 3: ...NG 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 There is risk of fire or electric shock ...

Page 4: ...r injury Do not open the maintenance cover of the main body during operation Otherwise 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 polluted air can not be directly sucked in It may cause various ac...

Page 5: ...t touch a dedicated circuit or breaker with wet hands There is risk of electric shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation 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 switch...

Page 6: ...o not install the product where it will be exposed 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 Use a soft cloth to clean Do not use harsh detergents wax or thinner etc Otherwise color or surface of the oroduct mav deteriorate Clean the filter and ...

Page 7: ...y qualified persons in order to avoid a hazard Preparing for operation 1 For repair and maintenance contact your authorized service dealer 2 The appliance shall be disconnected from its power source during service and when replacing parts Service Standards for Model L Z H 0 5 0 G B A 5 Development Sequence Function A Basic Model Type B Ceiling Concealed Type Electrical Standard Volts Freq Phase 22...

Page 8: ...ce cover Suspension fixture Total heat exchanger Air filter F RA Return Air SA Supply Air OA Outdoor Air EA Exhaust Air Model LZ H025GBA4 Model 1 014 988 273 939 1 025 135 200 194 252 96 590 198 44 A B C D E F G H J K L kg LZ H025GBA4 Figure Duct pitch Weight Pitch of suspension fixture Duct connection flange Nominal diameter h It necessary to secure sufficient space for maintenance more than the ...

Page 9: ...Supply Air OA Outdoor Air EA Exhaust Air Model LZ H035GBA5 LZ H050GBA5 Unit mm h 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 A B C D E F G H J K L kg LZ H035GBA5 LZ H050GBA5 1 014 988 273 939 1 025 135 200 194 252 96 590 198 44 ...

Page 10: ...OA Outdoor Air EA Exhaust Air Model LZ H080GBA5 LZ H100GBA5 Unit mm h 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 A B C D E F G H J K L kg LZ H080GBA5 LZ H100GBA5 1 101 1 230 405 1 026 1 263 269 250 242 253 98 567 519 62 8 ...

Page 11: ... H C Model LZ H150GBA5 LZ H200GBA5 h It necessary to secure sufficient space for maintenance more than the dimensions described in the product service Unit mm Model Figure Pitch of suspension fixture Duct connection flange Weight A B C D E F G H J K L M Kg LZ H150GBA5 LZ H200GBA5 1 353 1 230 815 1 026 1 263 361 242 253 98 340 350 130 156 ...

Page 12: ...ration of rain water Ceiling fixing bolt Supplied by installer RA grille SA grille Ventilator Inspection hatch SA EA OA RA 1m or more 1m or more Installation map LZ H025GBA4 LZ H035GBA5 LZ H050GBA5 LZ H080GBA5 LZ H100GBA5 Plane figure Front view Maintenance cover Control box SA grille Ventilator main body Maintenance space More than 600 EA OA Inspection hatch 600x600 Three dimension view Installat...

Page 13: ...stance Preventing penetration of rain water New type hood Preventing penetration of rain water Ceiling fixing bolt Supplied by installer RA grille SA grille Inspection hatch SA SA EA OA RA RA 1m or more 1m or more Plane figure Front view Maintenance cover Control box SA grille Three dimension view Installation of maintenance cover Ventilator main body Maintenance space More than 600 EA OA Inspecti...

Page 14: ...ling fixing bolt perform work less than 50mm under the ceiling fixing bracket Connection of duct After securely connect the duct with the duct connection flange wrap it with a commercial aluminium tape so that air cannot be leaked Adjust the duct from the ceiling so that no force is applied to the main body of the ventilation system Always use two ducts at the outdoor with the heat insulating mate...

Page 15: ...when performing the duct connection work It is recommended to perform adiabatic treatment even to the duct pipe at the indoor side where ambient temperature is expected higher than room temperature when the main body of the ventilation system for cooling in summer Take care so that work may not be performed as in the left figure Otherwise it may cause reduction of air volume or abnormal noise CAUT...

Page 16: ...m Wiring specifications Wiring specifications Sheathed wire should be complied with 60245 IEC 53 standard Size 250 800CMH 0 75mm2 1000 2000CMH 1 or 1 5mm2 Length MAX 100 m External contact specifications Normally closed contact Current tolerance 10 mA 0 5 A Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block Round pressure terminal Power wi...

Page 17: ...en wired remote controller and indoor unit is more than 10m Please check if connector is normally connected Connecting cable Indoor Unit side When installing the wired remote controller do not bury it in the wall It can cause damage in the temperature sensor Do not install the cable to be 50m or above It can cause communication error When installing the extension cable check the connecting directi...

Page 18: ... master slave setting from the indoor unit Indoor units the master slave configuration of the product after completion of indoor unit power Off and then On the power after 1 minutes elapsed sign up For ceiling type cassette and duct product group change the switch setting of the indoor PCB For wall mount type and stand type product change the master slave setting with the wireless remote controlle...

Page 19: ... be responsible for the results In this case free service cannot be provided CAUTION Installer setting How to enter installer setting mode Function code Value If pressing button long for 3 seconds it enters into remote controller setter setup mode If pressing once shortly it enters into user setup mode Please press more than 3 seconds for sure 1 When you enter the setting mode initially Function c...

Page 20: ...nstaller setting list h Installer setting password Main screen menu setting service RMC version information SW Version Example SW version 1 00 1 a In the above case the password is 1001 Remote controller PQRCVSL0 PQRCVSL0QW PREMTB100 F7 filter AHFT035H0 050H0 100H0 100H1 Available accessories OK OK Some categories of the menu may not be displayed according to the function of the product or the men...

Page 21: ...ntrol 3 03 ESP level ESP value Example 01 Low 0 255 02 High 03 Super high 4 04 5 05 01 Normal 02 Opposite 6 06 01 Supply air first 02 Exhaust air first 7 07 00 Slave 01 Master 8 09 00 Auto off 01 Auto on 9 10 01 Set 10 11 01 Variable 02 Fixed Function Code ESP value ESP step Test run Address setting SA Supply Air ESP EA Exhaust Air ESP Product direction Quick refresh priority Master setting Dry co...

Page 22: ...t displays the desired temperature when it returns to air 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 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 pre...

Page 23: ...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 exchang...

Page 24: ...er to remote controller 24 Ventilator Test running The A weighted sound pressure emitted by this product is below 70 dB The noise level can vary depending on the site The figures quoted are emission level and are not necessarily safe working levels Whilst there is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are...

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