LG PQDSBC1 Manuale utente

P/NO : MFL67708312

www.lg.com

TYPE : Dry contact For Economizer

MODEL : PQDSBC1

INSTALLATION MANUAL

• 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.

ENGLISH ESPAÑOL FRANÇAIS

2Dry contact For Economizer

Dry Contact for setback Unit Installation Manual

TABLE OF CONTENTS

nSafety Precautions .............................................................3~5

nPart Description ......................................................................6

nInstallation Method .............................................................7~9

Installation inside of the indoor unit..........................................................7

Installation outside of the indoor unit .......................................................8

nSetting and using method ..............................................10~17

1. Power supply and indoor unit connection .........................................10

2. Setting of Contact Signal Input ..........................................................11

3. Setting the desired temperature ........................................................12

4. Control mode setting..........................................................................13

5. Indoor unit monitoring ........................................................................18

Safety Precautions

Installation Manual 3

ENGLISH

nInstallation

Service

Center

Service

Center

To prevent injury to the user or other people and property damage, the following instructions

must be followed.

nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is

classified by the following indications.

nMeanings 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

Don’t touch with the hands

while the power is on.

• Cause fire, electric shock,

explosion or injury.

Product installation must

be referred to a service

center or installation shop.

• Cause fire, electric shock,

explosion or injury.

Request installation from

installation shop or service

center when reinstalling

the product.

• Cause fire, electric shock,

explosion or injury.

Safety Precautions

Standardized

product

Safety Precautions

4Dry contact For Economizer

Do not install the product

in the place where rain can

get to the product.

• Cause product failure

Do not install the unit in

humid locations.

• Cause product failure

Do not put the product

closer to fire.

• Cause fire

Do not install in a place

that cannot withstand the

weight of the product.

• The product may get

damaged or may break.

Do not install the product

to a place that generates

oil, steam, salt, sulfuric

gas, etc.

• Cause the product’s

deformation or failure.

Use standardized Product.

• Cause product failure

Do not change or extend

power lines arbitrarily.

• Cause fire or electric shock.

Do not 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.

nOperation

Service

Center

STOP

Safety Precautions

Installation Manual 5

ENGLISH

Do notspill 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 elderly use the

product under the

guardian’s supervision.

• Cause accidents and product

failures.

Do not use for special

purpose / place such as

conserving flora and fauna,

precision instruments, art.

• Otherwise, it can cause property

damage.

Remove the power plug

when cleaning.

• Cause fire or electric shock.

Do not place heavy objects

on the power line.

• Cause fire or electric shock.

Do not disassemble, repair,

or modify the product.

• Cause fire or electric shock.

Do not touch with wet

hands.

• Cause fire or electric shock.

6Dry contact For Economizer

Part Description

PCB

Front Case Rear Case

ISO View

Side Side

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLT NON

VOLT

TEMP

SETTING

Part Description

1. CN_INDOOR : Connect communication wire between indoor unit and Dry contact For Economizer

and supply power to Dry contact For Economizer

2. CN_PI485 : PI485 connector

3. CHANGE_OVER_SW : Switch to select voltage (5V-12V) of contact point

4. CN_CONTROL : Contact point signal input

5. CONTROL_MODE_SW : Switch to select the control mode

6. SETTING_SW : Switch to select whether to use set function of Dry contact For Economizer

7. TEMP_SETTING : Switch to set the desired temperature of the indoor unit

8. CN_OUT (O1, O2) : Connector to show whether the indoor unit is operating

9. CN_OUT (E3, E4) : Connector to show whether there is an error with the indoor unit

10. DISPLAY_LED : LED to display the status of the Dry contact For Economizer

11. RESET_SW : Reset switch

DRY CONTACT FOR ECONOMIZER

Installation Manual 7

Installation Method

Installation inside of the indoor unit

1) Loosen and remove one screw that secures the product.

2) Loosen two screws that secure the PCB to separate rear of the case from the PCB.

3) Connect the connection wires properly according to the connection method. (Refer to the instruction

and set-up description)

4) Set the switch according to the setting method. (Refer to the instruction and set-up description)

5) Secure PCB on adequate space inside of the indoor unit.

1. Install the product on flat surface and install anchoring screws at more than 2 places. Otherwise

the central controller may not be anchored properly.

2. Do not tighten anchoring screws too tightly. It may cause deformation of the case.

3. Do not deform the case at random. It may cause malfunction of the central controller.

Installation Method

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

ENGLISH

8Dry contact For Economizer

Installation Method

Installation outside of the indoor unit

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLT NON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLT NON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLT NON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLT NON

VOLT

TEMP

SETTING

1) Loosen and remove one screw that secures the

product.

2) Position the rear case to the direction towards to the

connector for convenient cable arrangement.

3) Secure the rear case on the installation place using the

supplied fixing screws.

4) Remove knock out shapes on the rear case (4-sided)

according to the connector’s size and direction.

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

Installation Manual 9

ENGLISH

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 description)

7) Hang the front of the case to the rear case hook and tighten the fixing screws on the bottom part.

1. Install the product on flat surface and install anchoring screws at more than 2 places. Otherwise

the central controller may not be anchored properly.

2. Do not tighten anchoring screws too tightly. It may cause deformation of the case.

3. Do not deform the case at random. It may cause malfunction of the controller.

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

NOT

USB

CN_OUT

CHANGE

OVER_SW

VOLTNON

VOLT

TEMP

SETTING

Setting and using method

10 Dry contact For Economizer

Setting and using method

1. Power supply and indoor unit connection

You must press the RESET switch when you are completed with all the settings to reflect the

settings.

When using the Dry contact For Economizer independently

nWhen using with the central controller (Only when the indoor

unit PCB is a non-communication model)

Indoor unit

PCB

PI485: Connect to central controller

CN_PI485

CN_INDOORCN_INDOORCN_INDOOR

CN_INDOOR

Indoor unit

PCB

CN_INDOOR

CN_INDOORCN_INDOORCN_INDOOR

ÚCN-CC ↔CN_INDOOR, CN-OUT(PI485) ↔CN_PI485

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