LG PQRNC0 Quick start guide

P/No.: 3828A20561U Printed in Korea

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

ENGLISH

Junction Simple Wired Remote controller

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.

Owner's & Installation Manual

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

Models: PQRNC0

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

2Junction Simple Wired Remote controller

Junction Simple Wired Remote controller Owner’s & Installation Manual

TABLE OF CONTENTS

■Safety Precautions....................................................................2

■Part Description ........................................................................6

Junction Simple Wired remote controller....................................7

■Junction Control System Structure.........................................9

■Installation Method .................................................................10

■Necessary functions before using .......................................12

Trial Operation ..........................................................................12

Setting the Central-Control Address ........................................13

ESP Function ...........................................................................14

■Main Function of Remote Controller.....................................15

On/Off Operation ......................................................................15

Cooling Operation ....................................................................16

Heating Operation ....................................................................17

Fan Speed Selection ................................................................18

Neutral / Gap setting function...................................................19

Power Failure compensation ....................................................20

Error code display function .......................................................20

Safety Precautions

Installation Manual 3

ENGLISH

Entrust installation of the

product to the service center

because improper installation

may cause fire, an electric

shock, explosion, and physical

injury.

Use the original parts in

order to prevent fire, an

electric shock, explosion,

and product breakdown.

Keep combustible and/or

inflammable materials away

from the product in order to

prevent fire or product

breakdown.

Do not disassemble, repair, or

modify the product at your

discretion in order to prevent fire

or an electric shock.

Do not install the product in wet

and humid areas in order to

prevent product breakdown.

Do not expose the product to the

sun in order to prevent product

breakdown.

■Installation

Service Center

Original Parts

Safety Precautions

• The installation requires expert skills, and it should be installed by the service center or other shops specialized

in the installation and recognized by our company.

• For all the problems arising after installation by someone who has no relevant qualifications, LG will not provide

free service.

• The following safety cautions are provided to prevent unexpected dangers or losses.

■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 the instruction.

WARNING

Safety Precautions

4Junction Simple Wired Remote controller

Do not modify or lengthen the

power cable at your discretion.

It may cause fire or an electric

shock.

Do not place a heating device

near the product. It may cause

fire.

Do not drop water on to the

product. It may cause an electric

shock or product breakdown.

Do not place something heavy on

the power cable. It may cause fire

or an electric shock.

Do not place a heavy thing on the

product. It may cause product

breakdown.

If the product was submerged

under water, ask the service

center for instruction. It may

cause fire or an electric shock

unless you do that.

■In-use

Service Center

Make sure children or senor

citizens use the product under

proper observation in order to

prevent safety accident.

Do not subject the product to

shock. It will cause product

breakdown.

Do not pick the product with a

sharp tool. It may cause

product breakdown with the

damage to its parts.

Do not clean the product with strong cleanser such

as solvent. Use soft clothes in order to prevent fire

or product deformation.

Do not touch the product with a wet hand. Do not

pull the lead cable. It may cause product breakdown

or an electric shock.

CAUTION

Installation Manual 5

ENGLISH

WARNING

Don't touch with the

hands while the power is

•

There is risk of fire or electric

shock.

Use standard

parts(connector).

•

Do not disassemble or repair

the product. 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.

■Installation

When the product is soaked (flooded or

submerged), contact an Authorized Service

Center.

• There is risk of fire or electric shock.

Be cautious that water could not enter the

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, or injury.

6Junction Simple Wired Remote controller

Part Description

PQRNC0

Cooling Heating Auto Dry Fan

Defrost Preheat Out door

Slo

Med

Room Temp

Total on

Central Run

FAN

SPEED

Yellow

White

3. LCD Screen

1. Connection cable for Dry contact Module

(Linked Other equipment)

2. Connection cable for Air-conditioner

Wired Remote Controller

Part Description

1. Remote control part

Installation Manual 7

ENGLISH

Part Description

Junction Simple Wired remote controller

PQRNC0

FAN

SPEED

Cooling Heating Auto Dry Fan

Defrost Preheat Out door

Slo

Med

Room Temp

Total on

Central Run

4. Fan Speed Button

3. Temperature Control Button

1. Operation Display Panel

2. On/Off Function

Each function will be shown on the display panel for three second or so when the power is applide at first.

•When changing the group control switch, the power must be reconnected to reflect the changes.

❈

On/Off operation can be operated by central controller only on cooling mode. But we do not recommend this

method.

Group control switch

1. For individual control use

2. For group control use

Ceiling height selection switch

1. Low ceiling

2. Standard ceiling

3. High ceiling

Indoor temperature sensor

selection switch

1. Use the temperature sensor on

the remote controller

2. Use the temperature sensor on

the product.

3. Use the sensor with the lower

temperature between the

remote controller and indoor

unit.

8Junction Simple Wired Remote controller

Part Description

2. Dry contact module part

Accessory

User/Installation

Manual

Installation Paper

Dry contact

(For installation, 4EA)

Remote controller

(For installation, 4EA)

Yellow Connector

(10m, For Dry Contact)

White Connector

(10m, For Indoor)

Dry contact - 4EA

(For assembly the case)

CN-POWER : AC 220V Connector

CN-CC : Remote controller Connector

CN_DRY (L) : DRY CONTROLLER

Connector

CN_DRY ( SIG ) : DRY CONTROLLER

Connector

CN_DRY (ERROR CHECK) : ERROR Check

Display Connector

CN_DRY( OPER STATE): Operation Display

Connector

DRY CONTACT UNIT

[Top case]

3 4 5 6

[Bottom case]

Installation Manual 9

ENGLISH

Junction Control System Structure

DRY CONTACT UNIT

AC power

(AC 220V~

234V)

Actuator

Operation signal

(AC power)

Remote Controller

Dry Contact Module

Radiator

< Simple Wired remote control System >

< Junction Wired remote control System >

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