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LG
PI485 GATEWAY

INSTALLATION MANUAL

LG

Model: PSNFP14A0

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.

For use with ERV product in USA and select other LG Products
that do not have on-board LGAP communications module.

Summary of Contents for PSNFP14A0

Page 1: ...ng 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 For use with ERV product in USA and select other LG Products that do not have on board LGAP communications module ...

Page 2: ...2 485 Gateway M Central Control Unit Use Care Manual TABLE OF CONTENTS SafetyPrecautions 3 Part Descriptions 5 Installation Guide 6 Accessory Parts 10 ...

Page 3: ... product There is risk of fire or electric shock Installation ON L1 2 3 4 KS DO 4H ON L1 2 3 4 K S D H 4 O ON L1 2 3 4 H 4 O D S K 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 instructions will cause harm or damage The seriousness is classified by the following indications Meanin...

Page 4: ... L1 2 3 4 K D S O4H Operation Use the correctly rated breaker or fuse There is a risk of fire or electric shock if the correctly rated breaker or fuse is not used 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 ON L 3 2 1 4 K S D H 4 O ON 1 L 2 3 4 S...

Page 5: ... CN_OUT Indoor Unit Connector BUS_A RS 485 Terminal BUS_B RS 485 Terminal LED01G 02G 03G Communication Status LED LED1 RS 485 Communication Status LED Reset Switch PI485 C Reset DIP Switch Product Select Refer to page 7 N O L1 2 3 4 1 2 3 5 7 6 4 1 2 3 4 5 6 7 ...

Page 6: ... process is repeated every 3 minutes NG operation Check the indoor unit address and wiring connections LED02G Yellow LED03G Orange Ok operation The LEDs blink continuously NG operation Check the DIP Switch setting and wiring connections 5 Check the RS 485 Communication Status LED Ok operation 1 If connected to a CNU LEDs blink 2 times every 10 30 seconds 2 If connected to a simple central controll...

Page 7: ...roducts Central controller all types without LGAP 1 OFF 2 OFF 3 ON 4 ON LGAP CAC RAC SRAC PAC Products Central controller all types using LGAP Using LGAP CAC RAC SRAC PAC Products Configuration Methods CAUTION Incorrect product configuration will lead to product malfunction Switch 4 Select Network Type Example of All Off Raised portion darker area of switch is downward next to number ...

Page 8: ...ual 8 Indoor Main PCB AC Smart Premium INT B INT A Indoor Main PCB CN_CC CN_CC PI485 GATEWAY N O 4 3 2 1 L N O 4 3 2 1 L CAUTION After product installation secure the wiring with tie wraps provided A B AHU A B RS485 ODU AC Smart Premium ...

Page 9: ...Installation Guide Installation Manual 9 Installation Example CAUTION Installation instructions may differ based on the product Installation for ducted units ...

Page 10: ... Gateway M Accessories Accessories N O 4 3 2 1 L PCB 6871A20484C Connector for use with ERV Connector for other product Screws 4 EA Installation Manual Other Included Items Tie Wrap 3 EA Cable Tie Clamp 1 EA ...

Page 11: ...After reading this manual keep it in a place easily accessible to the user for future reference ...

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