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INSTALLATION MANUAL

AIR

CONDITIONER

Dry Contact for thermostat
Original instruction

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

Please read this installation manual completely before installing
the product.
Installation work must be performed in accordance with the
national wiring standards by authorized personnel only.
Please retain this installation manual for future reference after
reading it thoroughly.

Copyright © 2019 LG Electronics Inc. All Rights Reserved.

MFL69265526

Rev.00_012219

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUÊS

MAGYAR

БЪЛГАРСКИ

SRPSKI

HRVATSKI

SVENSKA

NORSK

SUOMI

DANSK

EESTI KEEL

MALTI

SLOVENČINA

SLOVENŠČINA

LATVIEŠU VALODA

LIETUVIŲ KALBA

GAEILGE

МАКЕДОНСКИ

SHQIP

ÍSLENSKA

BOSANSKI

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Summary of Contents for Dry Contact

Page 1: ...ly before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Copyright 2019 LG Electronics Inc All Rights Reserved MFL69265526 Rev 00_012219 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA RO...

Page 2: ...PPLIANCE Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING Installation or repairs made by unqualified persons can result in hazards to you and others Ins...

Page 3: ...l only Always perform grounding Otherwise it may cause electrical shock You need to use a safely insulated power supply which follows IEC61558 2 6 anc NEC Class2 If you do not follow It may cause fire electric shock explosion or injury Securely attach the electrical part cover to Module If the electric part cover of Module is not attached securely it could result in a fire or electric shock due to...

Page 4: ...ons It will cause product breakdown or malfunction Do not touch or pull the lead wire with wet hands It will cause product breakdown or electric shock This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a...

Page 5: ...cilitates its operation only when its required These settings can be selected from the remote controller whose details have been explained in the later part of this manual So depending upon the requirement Dry Contact offers a variety of applications to suit the customer s requirement in the best possible way Minimum cross sectional area of conductors Rated current of appliance A Nominal cross sec...

Page 6: ...using the Dry contact for communication independently Indoor unit PCB CN_INDOOR CN_INDOOR CN_INDOOR Part Descripton 5 Connect the connection wires properly according to the connection method Refer to the instruction and set up description 6 Set the switch according to the setting method Refer to the instruction and set up description 7 Tighten the fixing screws on the top and bottom of the case CA...

Page 7: ...le Oper Mode en disable Dry Contact Control Priority 0 Disable Disable Disable Disable 1 Disable Disable Disable Enable4 2 Disable Disable Enable3 Disable 3 Disable Disable Enable Enable 4 Disable Enable2 Disable Disable 5 Disable Enable Disable Enable 6 Disable Enable Enable Disable 7 Disable Enable Enable Enable 8 Enable 1 Disable Disable Disable 9 Enable Disable Disable Enable A Enable Disable ...

Page 8: ...tion Use Operation mode Switch 0 Set the switch 0 3 Set the switch 0 1 Set the switch 2 3 Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6 Switch 7 Set the switch 4 7 Use Operation mode YES NO NO YES NO NO YES NO YES NO YES NO NO YES YES Use Dry Contact Control Priority Use Dry Contact Control Priority Use Dry Contact Control Priority Use Dry Contact Control Priority Use WIND Signal Set the s...

Page 9: ...nce the configuration changed Reset of Dry contact module is required After power input or unit s reset wait 25 30 seconds Display LED 10 times blinking for unit stabilization then Dry contact module will operate normally Do not use desired temperature setting function when interlocking with thermostat Setting and using method Setting of TEMP_SW n When setting the desired temperature of the Dry co...

Page 10: ...hermostat Fan System Switch Input IDU Response Mode Thermal Fan FAN Auto On MODE Cool Heat Off Operation FAN G HEAT W COOL Y 0 Disable Operation Auto OFF 1 0 0 0 Off Cool RT SP 1 1 0 1 Cool On On RT SP 1 0 0 0 Enable Heat RT SP 1 1 1 0 Heat On On RT SP 1 0 0 0 Off ON FAN 1 1 0 0 Fan Off On Cool RT SP 1 1 0 1 Cool On On RT SP 1 1 0 0 Fan Off On Heat RT SP 1 1 1 0 Heat On On RT SP 1 1 0 0 Fan Off On...

Page 11: ...e Verify documentation of desired thermostat so that the logic is same as shown in the table above Setting and using method Thermostat LG does not supply this section Field supply LOW MIDDLE HIGH L L N L L Operation Thermal FAN COOL COMM C AC 24 V R Y G O n For heat pump thermostat with O terminal signal input Thermostat Fan System Switch Input IDU Response Mode Thermal Fan FAN Auto On MODE Cool H...

Page 12: ... not input the voltage signal in NON VOLT setting mode otherwise it will cause serious damage Connect separate External voltage of DC 12 V AC 24 V Thermostat LG does not supply this section Field supply No power input DC 12 V AC 24 V COMM Themal Operation COMM AUTO HEAT COOL DHW NIGHT SILENT EMERGENCY MODE DHW NIGHT SILENT EMERGENCY MODE COMM Themal Operation COMM AUTO HEAT COOL If Operation input...

Page 13: ...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 ...

Page 14: ... personnel only Please retain this installation manual for future reference after reading it thoroughly Copyright 2015 2018 LG Electronics Inc All Rights Reserved MFL69265503 Rev 01_041918 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ PORTUGUÊS MAGYAR БЪЛГАРСKN SRPSKI HRVATSKI SVENSKA NORSK SUOMI DANSK EESTI KEEL MALTI SLOVENČINA SLOVENŠČINA LATVIEŠU VAL...

Page 15: ...nstructions must be followed n Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications n Meanings of symbols used in this manual are as shown below WARNING CAUTION This symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage Be sure not to do Be sure to follow ...

Page 16: ...t give a shock to the product If you give a shock to the product it may cause the product s failure Do not use a heater near the power line Cause fire or electric shock n Operation Service Center STOP Do not spill water inside of the product Cause electric shock or breakdown If the product has been inundated you must refer to a service center or installation shop It can cause a fire Children and e...

Page 17: ... Others Screw 4 EA For installation Installation Method Minimum cross sectional area of conductors Rated current of appliance A Nominal cross sectional area mm2 0 2 0 2 and 3 3 and 6 6 and 10 10 and 16 16 and 25 25 and 32 32 and 40 40 and 63 Tinsel cord a 0 5 a 0 75 1 0 0 75 b 1 5 1 0 b 2 5 4 6 10 a These cords may only be used if their length does not exceed 2 m between the point where the cord o...

Page 18: ...ntact for communication independently Indoor unit PCB CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 Installation Method 5 Connect the connection wires properly according to the connection method Refer to the instruction and set up description 6 Set the switch according to the setting method Refer to the instruction and set up descripti...

Page 19: ...e Disable 1 Disable Disable Disable Enable4 2 Disable Disable Enable3 Disable 3 Disable Disable Enable Enable 4 Disable Enable2 Disable Disable 5 Disable Enable Disable Enable 6 Disable Enable Enable Disable 7 Disable Enable Enable Enable 8 Enable 1 Disable Disable Disable 9 Enable Disable Disable Enable A Enable Disable Enable Disable B Enable Disable Enable Enable C Enable Enable Disable Disable...

Page 20: ...IND Signal Set the switch 0 7 Use Thermal function Use Operation mode Switch 0 Set the switch 0 3 Set the switch 0 1 Set the switch 2 3 Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6 Switch 7 Set the switch 4 7 Use Operation mode YES NO NO YES NO NO YES NO YES NO YES NO NO YES YES Use Dry Contact Control Priority Use Dry Contact Control Priority Use Dry Contact Control Priority Use Dry Cont...

Page 21: ...step by Dry contact module therefore once the configuration changed Reset of Dry contact module is required After power input or unit s reset wait 25 30 sec Display LED 10 times blinking for unit stabilization then Dry contact module will operate normally Do not use desired temperature setting function when interlocking with thermostat CN_WIND DISPLAY_LED TEMP_SW SETTING_SW CN_OUT Setting and usin...

Page 22: ...stat signal input Thermostat Fan System Switch Input IDU Response Mode Thermal Fan FAN Auto On MODE Cool Heat Off Operation FAN G HEAT W COOL Y 0 Disable Operation Auto OFF 1 0 0 0 Off Cool RT SP 1 1 0 1 Cool On On RT SP 1 0 0 0 Enable Heat RT SP 1 1 1 0 Heat On On RT SP 1 0 0 0 Off ON FAN 1 1 0 0 Fan Off On Cool RT SP 1 1 0 1 Cool On On RT SP 1 1 0 0 Fan Off On Heat RT SP 1 1 1 0 Heat On On RT SP...

Page 23: ...e Verify documentation of desired thermostat so that the logic is same as shown in the table above Setting and using method NOT USE CHANGE OVER_SW VOLT NON VOLT CHANGEOVER_SW RESET_SW CN_Ther Oper CN_MODE CN_WIND CN_INDOOR DISPLAY_LED TEMP_SW SETTING_SW CN_OUT CN_PI485 Thermostat LG does not supply this section Field supply LOW MIDDLE HIGH H H N H H Operation Thermal FAN COOL COMM C 24 V R Y G O n...

Page 24: ...you want to control CHANGEOVER_SW CN_Ther Oper CN_MODE CN_WIND CHANGEOVER_SW CN_Ther Oper CN_MODE CN_WIND Notes Do not input the voltage signal in NON VOLT setting mode otherwise it will cause serious damage NOT USE CHANGE OVER_SW VOLT NON VOLT NOT USE CHANGE OVER_SW VOLT NON VOLT Connect separate External voltage of DC 12 V 24 V COMM Themal Operation COMM AUTO HEAT COOL DHW NIGHT SILENT EMERGENCY...

Page 25: ...li utenti contribuisce al riutilizzo al riciclaggio ed al recupero sostenibile dei prodotti obsoleti e dei relativi materiali 3 Per informazioni più dettagliate sullo smaltimento delle apparecchiature obsolete contattare l ufficio del comune di residenza il servizio di smaltimento rifiuti o il punto vendita in cui è stato acquistato il prodotto www lg com global recycling DEUTSCH Entsorgung Ihrer ...

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