LG PRCKD40E Bedienungsanleitung

AHU CONTROL KIT

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.

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

Models: PRCKD20E

PRCKD40E

2AHU CONTROL KIT

AHU CONTROL KIT Installation Manual

TABLE OF CONTENTS

Safety Precautions ...............................................................................3

Installation configuration ......................................................................5

Supplies ...............................................................................................6

Wiring diagram .....................................................................................9

Installation flowchart ..........................................................................13

CONTROL KIT Installation.................................................................14

Pipe temperature sensor connection .................................................16

Outdoor communication cable connection .........................................17

Precaution..........................................................................................18

AHU sensor specification...................................................................20

AHU sensor connection .....................................................................21

AHU controller setting ........................................................................27

Communication PCB setting ..............................................................32

Electric wiring work ............................................................................34

Test run ..............................................................................................36

Safety Precautions

Installation Manual 3

■Installation

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

Do not use the existing manifold gauge for

R22 refrigerant.

• To charge the refrigerant stably, always

use the manifold gauge for high pressure

(R410A).

Install the air conditioner at a designated

location using the designated material.

• Heat exchanger inlet/outlet pipe location.

Do not store or use

flammable gas or volatile

substance near the air

conditioner.

• It can cause a fire or problem

to the product.

Do not mix existing R22 pipe

and installation products for

the installation.

• When you mix the mineral oil

of R22 and R410A oil (PVE), it

can decompose with water to

cause problems to the product.

Do not mix other refrigerant

with the designated

refrigerant (R410A) during

the installation or moving

the air conditioner.

• When other refrigerant is

mixed with the original

refrigerant, it can cause a

problem in the refrigerant cycle

and damage the product.

System air conditioner can

only be installed by

specialized service provider

with air condition

installation certifications.

• Inappropriate installation can

cause leakage, fire and

electric shock.

When moving or reinstalling

the air conditioner, please

contact the MULTI VTM AHU

installation service provider.

• Inappropriate installation can

cause leakage, fire and

electric shock.

Do not disassemble, repair

or reconfigure the product

arbitrarily.

• It can cause a fire and electric

shock.

Safety Precautions

4AHU CONTROL KIT

■Operation

■Installation

Do not install the air conditioner outdoors.

• If installed outdoor inevitably, consult MultiVTM

AHU installation service provider.

Do not let any worker or user climb on top of

the product.

• The person can get seriously injured.

Make sure that water does

not get inside the product

(Controller). Especially, do

not clean the product with

water.

• It can cause electric shock and

problems.

When the air conditioner is

submersed in water, always

consult MULTI VTM AHU

installation service provider.

• It can cause a fire and electric

shock.

Do not keep any heating

devices near the product.

• It can cause a fire.

After the product installation

and repair, always check for

gas leakage.

• It can cause problems in the

product.

When installing the product,

always make sure to level to

the product.

• It can cause vibration and

leakage.

Do not install the product

where flammable gas leaks.

• It can cause a fire and

problems to the product.

■Operation

If the refrigerant leaked while installing the product, always ventilate the room.

• The refrigerant gas can react with the fire to turn into hazardous gas to cause an accident.

CAUTION

Installation Manual 5

Installation Scene

Installation configuration

220V

/60H

60H

z/ 1P

HASE

MCC

7 -1 7 -2

8 -2

8 -1

•RA: Return air

•EA: Exhaust air

•OA: Outdoor air

•SA: Supply air

Power cable

Refrigerant pipe

Pipe temperature sensor

Signal cable

Communication cable

Refrigerant flow (Air conditioning)

Refrigerant flow (Heating)

No. Name Remarks

Air Handling Unit -

CONTROL KIT PRCKD20E / PRCKD40E

EXPANSION KIT PATX13A0E/20A0E/25A0E/35A0E

Outdoor unit Multi V

Pipe temperature sensor IN Sensor: Ø5, Length: 5m,Cable color: Black

Pipe temperature sensor OUT Sensor: Ø7, Length: 5m, Cable color: Red

-1 Temperature sensor RA -50~50°C/ AC 24V / DC 0~10V

-2 Temperature sensor SA -50~50°C/ AC 24V / DC 0~10V

-1 Return Fan -

-2 Supply Fan -

MCC MCC

Installation components

Installation configuration diagram

Precaution during installation configuration

1. MCC is the construction of the equipment by the equipment provider and must be separately discussed before

the installation.

2. Temperature or Temperature/Humidity sensor must be installed on the SA/RA duct for normal operation.

Basic parts supplied

Sensor (Separately sold)

•To operate the product, you must separately purchase and install the following temperature or

temperature/humidity sensor.

•Separate specification and installation location for the applied sensor can be checked from

‘AHU sensor specification”.

6AHU CONTROL KIT

Supplies

CONTROL KIT

- Quantity: 1EA

- Maximum number of

outdoor units that

can be connected:

- Quantity: 4EA - Bolt quantity: 4EA

Specification:

M10/70mm

- Nut quantity:4EA

Specification: M10

- Quantity: 1EA

- Quantity: 1EA - Quantity: 1EA

- Quantity: 1EA

- Maximum number of

outdoor units that

can be connected:

- Quantity: 8EA

Model name

PRCKD20E

PRCKD40EE

Wired remote

controller Installation bolt/nut Installation

manual User manual

온도조절 운전/정지

Installation

manual

User

manual

Item Specification

Temperature sensor - Power: AC24V

- Output signal: DC 0~10V

- Temperature range: -50~50°C

Temperature/ - Power: AC24V

Humidity sensor - Output signal: DC 0~10V

- Temperature range: -40~70°C

- Humidity range: 0~95%RH

Supplies

Installation Manual 7

Product configuration

PRCKD20E

No. Part name

Wired remote controller

Door

Selection switch

Lamp

Terminal block #1

Terminal block #2

Wiring circuit breaker

Transformer

Specification

Quantity

Part name Specification

Quantity

No.

- 1 AHU Controller -

1.6T 1 Controller Case

Fuse

Relay

Communication PCB

Communication PCB case

Control box

ON/OFF 2 250V, 5A 3

Power/SA/RA 35A2

Input: 220V

Output: 24V

Capacity: 100VA

2(4)

15A * 1.25mm 22 2(4)

20A * 1.25mm 21 1.6T 1

15A 1

* ( ) refers to the quantity applied to the PRCKD40E model.

Supplies

8AHU CONTROL KIT

4-Ø12 Hole

FH G F

(Side) (Front) (Rear)

(Floor)

PRCKD20E / PRCKD40E

Remarks

A (mm) 600 Length

B (mm) 750 Height

C (mm) 280 Width

D (mm) 500 Hole connecting to AHU

E (mm) 650

F 4-Ø16 Hole Pipe sensor connector

G 10-Ø25 Hole Sensor/Communication cable connector

H Ø30 Hole Power cable connector

Weight Product 43.5 Product weight

Packaging 48 Weight after packaging

■ Depending on the installation personnel, the cable drawn to the F/G/H hole can be

changed, and use the flexible pipe and connector that fits each hole.

Installation Manual 9

Wiring diagram

Part diagram

PRCKD40E

AHU controller part

Terminal block part #2

Terminal block part #1

Safety part

Communication PCB part #2

Communication PCB part

AHU controller part

Terminal block part #2

Terminal block part #1

(Inside product)

Safety part

Communication PCB part #2

Communication PCB part

■ Communication PCB #1 part is not attached to the PRCKD20E model.

Wiring diagram

10 AHU CONTROL KIT

AHU controller part

Communication PCB part (PRCKD20E)

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