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LG

Dry Contact

INSTALLATION MANUAL

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

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Table of Contents
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Summary of Contents for LG PQDSA

  • Page 1: Dry Contact

    Visit us at : http://www.lgservice.com Dry Contact INSTALLATION MANUAL 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.
  • Page 2: Table Of Contents

    Dry Contact Unit Installation Manual TABLE OF CONTENTS Safety Precautions ............3~4 Overview ................5 Part Description ..............7 Installation Guide ............... 9 I Step 1 ......................9 I Step 2 ....................... 10 Administrator Guide ............11 Dry Contact...
  • Page 3: Safety Precautions

    Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
  • Page 4 Safety Precautions Use the correctly rated Do not install, remove, or re- For installation, always breaker or fuse. install the unit by yourself contact the dealer or an (customer). Authorized Service Center. • There is risk of fire or electric •...
  • Page 5: Overview

    Overview Overview LG Dry Contact is a solution for automatic control of air conditioning system at the owner’s behest. In simple words, it’s a switch which can be used to turn the unit On/Off after getting the signal from external sources like key-in lock, door or window switch etc specially used in Hotel rooms.
  • Page 6 Overview Power Connector Indoor PCB Connector Dry Contact Controller Connector 6 Dry Contact...
  • Page 7: Part Description

    Part Description Part Description PQDSA (Only PCB) PQDSB (PCB + Case) DRY CONTACT UNIT [Top case] [Bottom case] [ PCB ] [Side] [Side] [Side] CN-POWER : AC 220V Connector CN-CC : Indoor PCB Connector CN_DRY (L) : DRY CONTROLLER Connector...
  • Page 8 Part Description Accessory Cable 1EA (for Central controller) Connecting PCB (6871A30056A) *for Central Controller Dry contact (For installation, 4EA) Cable 3EA (for connecting with indoor unit) Dry contact - 4EA (For assembly the case) User/Installation Manual [Structure of each cable] *Note •...
  • Page 9: Installation Guide

    Connect CN-CC with Indoor PCB by the cable(provided) - Connection of Dry contact only DRY CONTACT Indoor CN-CC CN-CC AC 220V - Connection of Dry contact & LG Central Controller in case of single constant models. Connection PCB (6871A30056A) DRY CONTACT Indoor CN-CC CN-CC...
  • Page 10: I Step 2

    DRY CONTACT Operation Display Error Check Display CN-CC Dry contact Controller CN_DRY INPUT AC 220V LG does not supply this section - To apply power source directly to external source DRY CONTACT Operation Display Error Check Display CN-CC Dry contact Controller...
  • Page 11: Administrator Guide

    Administrator Guide Administrator Guide * Function It gives selection whether to turn ON the unit directly or not from the external source. The selection can be made by pressing CANCEL button of the wireless remote controller 3 times within 3 minutes of resetting the unit with facing it towards the unit. (This function availability depends on indoor unit model) CANCEL CANCEL Button...
  • Page 12 P/No.: 3828A20494A Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

Table of Contents