LG PDRYCB500 User manual

ENGLISH TÜRKÇE

P/NO : MFL67708325

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

TYPE : Modbus Gateway For Indoor Unit

MODEL : PDRYCB500

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.

2Modbus Gateway For Indoor Unit

Dry contact for RS-485 Owner’s & installation manual

TABLE OF CONTENTS

■Safety Precautions .............................................................3~5

■Specification............................................................................6

■Name of each part ..................................................................7

■Installation Method ...........................................................8~10

■Setting method......................................................................11

1. Connecting Drycontact with Indoor unit

PCBA and Modbus Controller............................................................11

2. Setting Address ..................................................................................11

Safety Precautions

Installation manual 3

ENGLISH

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

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

■Installation

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.

Service

Center

Service

Center

Safety Precautions

4Modbus Gateway For Indoor Unit

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.

■Operation

Standardized

product

Safety Precautions

Installation manual 5

ENGLISH

Do not spill 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.

Service

Center

STOP

Specification

6Modbus Gateway For Indoor Unit

1) Modbus configuration

- Network : 2 wire RS485

- Mode : Modbus RTU slave

- Baud : 9600

- Parity : None

- Stop bits : 1

- Register Base : 0

2) Data registers

1 Operation 0 ~ 1 0 : Stop

1 : Run

30003 Indoor temperature 100 ~ 400 Degrees C × 10

30100 Error alarm 0 ~ 1 0 : No Error

1 : Error

40001 Set Run Mode 0 ~ 4

0 : Cooling

2 : Fan

3 : AI

4 : Heating

40002 Set Temperature 180 ~ 300 Degrees C × 10

40015 Set Fan Speed 1 ~ 3

1 : Low

2 : Middle

3 : High

Installation manual 7

Name of each part

Modbus Gateway For Indoor Unit

Name of each part

PCB

Front Case Rear Case

ISO View

Side

Cable(1 EA)

(For Connecting with indoor unit)

Installation Manual

Side

765

* Others :

Screw 4 EA(For installation)

1. CN-OUT :

2. BUS-A :

3. BUS-B :

4. SW1 :

5. SWDIP :

6. LED1 :

7. LED(01~03)G :

ENGLISH

Indoor Unit Connector

RS-485(+) Terminal

RS-485(-) Terminal

Reset Switch

Setting Address Switch(Refer Page 11)

RS-485 Status LED

Communication Status LED

8Modbus Gateway For Indoor Unit

Installation Method

Installation inside of the indoor unit

1) Loosen and remove two screws that secure 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 manual 9

ENGLISH

Installation Method

Installation

1) Loosen and remove two screws that secure 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 according

to the connector’s size and direction.

10 Modbus Gateway For Indoor Unit

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) Tighten the fixing screws on the top and bottom of the case.

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.

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