LG PAHCNM000 Kurzanleitung

OWNER’S &

INSTALLATION MANUAL

AIR

CONDITIONER

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.

Applied(AHU)

AHU CONTROL KIT

Original instruction

[Representative] LG Electronics Inc. EU Representative : LG Electronics

European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,

Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

www.lg.com

MFL71386003

Rev.01_031120

ENGLISH ESPAÑOL FRANÇAIS DEUTSCH

PORTUGUÊS

2SAFETY INSTRUCTIONS

ENGLISH

WARNING

• Installation or repairs made by unqualified persons can result in

hazards to you and others.

• The information contained in the manual is intended for use by a

qualified service technician familiar with safety procedures and

equipped with the proper tools and test instruments.

• Failure to carefully read and follow all instructions in this manual

can result in equipment malfunction, property damage, personal

injury and/or death.

Installation

• For installation of the product, always contact the service center

or a professional installation agency.

- Otherwise, it may cause fire, electrical shock, explosion or

injury.

WARNING

This indicates that the failure to follow the instructions can

cause serious injury or death.

CAUTION

This indicates that the failure to follow the instructions can

cause the minor injury or damage to the product.

This symbol is displayed to indicate matters and operations

that can cause risk.

Read the part with this symbol carefully and follow the

instructions in order to avoid risk.

SAFETY INSTRUCTIONS

The following safety guidelines are intended to prevent unforeseen

risks or damage from unsafe or incorrect operation of the appliance.

The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as

described below.

SAFETY INSTRUCTIONS 3

ENGLISH

• Securely attach the electrical part cover to AHU Communication

Kit.

- If the electric part cover of AHU Communication Kit is not

attached securely, it could result in a fire or electric shock due

to dust, water, etc.

• Do not keep or use flammable gases or combustibles near the

equipment.

- Otherwise, it may cause a fire or the failure of product.

• Do not install, remove or reinstall the unit by yourself.

- Otherwise, it may cause a fire, electrical shock, explosion or

injury.

• Do not disassemble or repair the product randomly.

- It will cause a fire or electrical shock.

• Do not install the product in a place where there is the concern of

falling down.

- Otherwise, it may result in personal injury.

• Use caution when unpacking and installing.

- Sharp edges may cause injury.

• Always ground the product.

- There is risk of fire or electric shock.

• Do not install the product on a non-parallel or defective

installation stand.

- It may cause injury, accident, or damage to the product.

Operation

• Keep flames away.

- Otherwise, may occur a fire.

• Do not use the power cord near the heating tools.

- Otherwise, it may cause a fire and electrical shock.

• Do not allow water to run into electrical parts.

- Otherwise, it may cause the failure of machine or electrical

shock.

• Be cautious that water could not enter the product.

- Otherwise, it may cause a fire electrical shock or product

damage.

4SAFETY INSTRUCTIONS

ENGLISH

• Do not place a heavy object on the power cord.

- Otherwise, it may cause a fire or electrical shock.

• When the product is submerged into water, always contact the

service center.

- Otherwise, it may cause a fire or electrical shock.

CAUTION

Installation

• Do not install the product direct sunlight.

• Do not insert a drain hose in drain or soil pipe.

- Bad smells can occur and it results in a corrosion of a heat

exchanger or pipe.

Operation

• If anyone other than a licensed Professional installs, repairs, or

alters LG Electronics Air Conditioning Products, the warranty is

voided.

- All costs associated with repair are then the full responsibility of

the owner.

• This appliance is not intended for use by persons (including

children) with reduced physical, sensory or mental capabilities, or

lack of experience and knowledge, unless they have been given

supervision or instruction concerning use of the appliance by a

person responsible for their safety.

- Children should be supervised to ensure that they do not play

with the appliance.

TABLE OF CONTENTS 5

ENGLISH

2SAFETY INSTRUCTIONS

6INSTALLATION LAYOUT

6Installation composition diagram

6Caution on installation layout

7PRODUCT DIMENSION

7Product Measurements

8PARTS LAYOUT

9WIRING DIAGRAM

10 AHU CONTROL KIT INSTALLATION

10 Determining the product's mounting location

11 Things to keep in mind when installing outdoors

12 Sensor Cover Installation (outdoors)

13 AHU CONTROL KIT SETTINGS

13 Check Module Conﬁguration

15 PIPE THERMISTOR CONNECTION

16 OUTDOOR UNIT COMMUNICATION LINE CONNECTION

16 Cautions on connecting the EEV module (communication module) with outdoor unit

16 Capacity Control Communication Cable Connection

17 INSTALLATION AND WIRING METHOD (OPTIONAL)

17 Installation method when adding EEV module

17 Wiring method when adding EEV module.

18 AHU SENSOR SPECIFICATION

20 AHU SENSOR CONNECTION

20 Sensor connection

25 Electrical Wiring (if using a belt driven fan)

26 Connect the electric wires

27 Things to keep in mind when installing the Control Kit on site

28 HMI SETTINGS

28 HMI Settings

45 Self-Diagnosis

TABLE OF CONTENTS

6INSTALLATION LAYOUT

ENGLISH

ῧ-1

Ῡ-1

ῪῩ-2

ῧ-2

ῡ

ῤ

ῦ

ῥ

ῢ

Ύ

Ῠ-1 Ῠ-2

EA OA SA

Power cable

Communication cable

Thermistor signal

Temperature /

humidity sensor

MCC

No. Item Applied Standards

①

AHU -

②

AHU CONTROL KIT PAHCNM000

③

Expansion kit -

④

Outdoor unit MULTI V

⑤

Pipe in Thermistor(Liquid) Sensor : Ø 5(NTC 5 kΩ), Length : 5 m, Cable color : Black

⑥

Pipe out Thermistor(Gas) Sensor : Ø 7(NTC 5 kΩ), Length : 5 m, Cable color : Red

⑦-1, 2

Temperature/humidity sensor RA, SA Optional

⑧-1, 2

Ventilation Fan, Supply Fan -

⑨-1, 2

Inverter drive kit -

⑩

Main power switch board MCC switch board panel

⑪

HMI -

Caution on installation layout

- MCC is part of the installation construction to be performed by the equipment supplier, so

confer with the supplier before installing the product.

- Temperature/humidity sensors must be installed on the SA (supply)/RA(ventilation) ducts before

the product can run normally.

INSTALLATION LAYOUT

Installation composition diagram

PRODUCT DIMENSION 7

ENGLISH

8-Ø7 Holes

(Front)(Side) (Back)

(Bottom)

Model PAHCNM000

Size Product

W mm 500

D mm 210

H mm 500

Enclosure Color RAL 7035

Material Steel

Power 220-240 V~, 50/60 Hz

Rated current 0.2 A

Product Operating

Environment Conditions

Operating Temperature -20 ~ 65 °C DB

Humidity 0 ~ 98 %

Use the appropriate flexible tubing and connectors for the corresponding holes.

Classification Spec Description

W (mm) 500 Width

H (mm) 500 Height

D (mm) 210 Depth

A (mm) 552 Distance between wall mounting brackets

B (mm) 486

C 22.5Ø Hole(10 EA) Power cable, Sensor/Communication line insert part

PRODUCT DIMENSION

Product Measurements

8PARTS LAYOUT

ENGLISH

2 3 4 5 6

• PAHCNM000

No. Main module Spec Qty. No. Main module Spec Qty.

①

Main module DC 12 V 1

⑦

NFB(No Fuse

Breaker) 15 A 1.5 kA 1

②

UI module DC 12 V 1

⑧

Adaptor 220 V →DC 12 V 1

③

UO module DC 12 V 1

⑨

Trans 220 V →AC 24 V 1

④

EEV module #1 DC 12 V 1

⑩

Terminal Block 15 PIN 1

⑤

EEV module #2 DC 12 V 1

⑪

Terminal Block Single phase

220 V~, 60 Hz 1

⑥

EEV module #3 DC 12 V 1

PARTS LAYOUT

WIRING DIAGRAM 9

ENGLISH

CAUTION

• In order to use the main module's shutdown, heating/cooling, and fire detection functions,

the main module's +12V terminal should be connected to the DCOM terminal. Failure to

do so could result in the malfunctioning of the product.

• In order to use the UI module's emergency shutdown and differential pressure switch

functions, the UI module's +12V terminal should be connected to the DCOM terminal.

Failure to do so could result in the malfunctioning of the product.

WIRING DIAGRAM

• PAHCNM000

10 AHU CONTROL KIT INSTALLATION

ENGLISH

- When using wall mount brackets, fasten the brackets to

the four holes on the rear of the enclosure.

- Please use the provided bolts, nuts, and washers to

fasten the brackets.

CAUTION

• When installing the control kit, make sure to leave at least 900 mm between the wall and

the product case so there is enough room for servicing and installation.

• After mounting the product, check whether it is properly affixed.

• If the control kit has to be installed outdoors, be sure to also install an enclosure.

• When installing load devices such as AHU sensors and dampers outdoors, fitted covers

must also be mounted to protect them from the effects of the external environment.

2626

486

552

AHU CONTROL KIT INSTALLATION

Determining the product's mounting location

- The control kit's mounting location should be determined based on the conditions on site.

When mounting the control kit, use Ø 6 direct screws (8 EA).

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