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ENGLISH

LG
128 Expansion Kit

INSTALLATION MANUAL

LG

IMPORTANT

• 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.

Visit us at : http://www.lgservice.com

Models: PQCSE440U0

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

DUTCH

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Summary of Contents for 128 Expansion Kit

Page 1: ...ling 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 Visit us at http www lgservice com Models PQCSE440U0 ITALIANO ESPAÑOL FRANÇAIS DEUTSCH DUTCH êìëëäàâ üáõä ...

Page 2: ...tions 3 Introduction of AC Smart 128 Expansion Kit 5 Exterior of AC Smart 128 Expansion Kit 5 Interior of AC Smart 128 Expansion Kit 6 Installation of AC Smart 128 Expansion Kit 7 Before installing AC Smart 8 Installation of AC Smart 128 Expansion Kit and line connection 9 ...

Page 3: ...e product There is risk of fire or electric shock Installation Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications Meanings of symbols used in this manual are as shown below WARNING CAUTION ...

Page 4: ... product There is risk of fire electric shock or product damage Operation Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not install remove or re install the unit by yourself customer There is risk of fire electric shock explosion or injury For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion o...

Page 5: ... 110 250V 50 60Hz AC Smart 128 Expansion Kit is a device that is connected to AC Smart AC Smart can basically control maximum of 64 units When the AC Smart 128 Expansion Kit is connected to AC Smart the number of units that can be controlled by AC Smart is automatically expanded to 128 units AC Smart 128 Expansion Kit is composed as follows Exterior of AC Smart 128 Expansion Kit CON_COMM A B CN_PO...

Page 6: ...Communication connector connected to AC Smart BUS_A Power connector 110V 220V 50 60Hz CON_COMM A B CN_POWER LG 128 Expansion Kit INSTALLATION MANUAL LG IMPORTANT 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 fut...

Page 7: ...ribes the installation method to use AC Smart 128 Expansion Kit To use the AC Smart 128 Expansion Kit an environment that can enable the communication between AC Smart and the expansion kit must be established Install the unit in the following order to use the AC Smart 128 Expansion Kit Caution Installation of AC Smart 128 Expansion Kit The installation of AC Smart 128 Expansion Kit requires speci...

Page 8: ...t 128 Expansion Kit and AC Smart must be connected in parallel connection with bus communication method The following picture shows the incorrect star connection ON L1 2 3 4 KSDO4H Multi V Multi V AC Smart PI485 Multi ON L1 2 3 4 KSDO4H PI485 Ventilator CON_COMM CN_POWER AC Smart 128 Expansion Kit ...

Page 9: ...nsion Kit Installation Manual 9 Below picture shows the bus method connection diagram based on normal installation Connect as follows ON L1 2 3 4 KSDO4H Multi V Multi V AC Smart PI485 Multi V Multi CON_COMM CN_POWER AC Smart 128 Expansion Kit ...

Page 10: ...on Kit AC Smart 128 Expansion Kit is basically designed to be installed on the wall Here the installation method of installing on the wall is described as an example 1 Decide the space to install the AC Smart 128 Expansion Kit Before installing the unit check whether the location is appropriate to connect AC Smart with RS485 line 2 Fixate the AC Smart expansion kit to the wall Use the driver to ti...

Page 11: ...t and then connect to B on the rear panel and BUS_B 1 2 3 4 CN_COMM CN_POWER Wind 5 turns on a core Caution RS485 communication cable connection Because the polarity exists for the connection of RS485 communication cable be careful not to mix the connection of two cables The installer must wind the communication line 5 turns on the provided core as shown above figure ...

Page 12: ...Kit 7 Use the system setting function of AC Smart to register the system information of the 128 units 1 2 3 4 CN_COMM CN_POWER Red LED Shows the connected condition with AC Smart Wiring the earth line Wiring the earth line Wiring the earth line Caution In case of 251 error When the connection of AC Smart 128 Expansion Kit to AC Smart is disconnected after connecting the AC Smart 128 Expansion Kit ...

Page 13: ...P No MFL57868519 After reading this manual keep it in a place easily accessible to the user for future reference Printed in Korea ...

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