LG PRVC0 Manuel utilisateur

P/NO : MFL42540224 www.lg.com

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.

MODEL : PRVC0

Variable Water Flow Control Kit

FRANÇAIS

ENGLISH

Variable Water Flow Control Kit Installation manual

TABLE OF CONTENTS

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

■Accessory Parts....................................................................................5

■Name of each part ................................................................................6

■Installation Method................................................................................7

■Setting and using method.....................................................................8

1. Wiring Diagram.................................................................................8

2. Power source input...........................................................................9

3. Wiring for variable water flow control PCB and transformer...........11

4. Wiring for Variable Water Flow Valve .............................................12

5. Wiring Method ................................................................................13

6. Setting of ‘SWDIP’..........................................................................17

7. Setting of outdoor unit dip SW .......................................................18

2Variable Water Flow Control Kit

■During 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

Installation manual 3

Safety Precautions

ENGLISH

Please install the

designated location in the

Control box.

• It can cause the breakdown

or accident.

Do not touch the board

when the power is

connected .

•

It can cause a fire, electric

shock, explosion, injury and

problem to the product.

Always request for

installation of the product to

the service center or the

installation service provider.

•

It can cause a fire, electric

shock, explosion and injury.

When reinstalling the previously

installed product, request for service to

the service center or the installation

service provider.

•

It can cause a fire, electric shock, explosion and

injury.

■During use

4Variable Water Flow Control Kit

Safety Precautions

Do not modify or extend the

power cord.

• It can cause a fire and

electric shock.

Do not pour water inside the

product.

• It can cause an electric

shock and problem to the

product.

When the product is submersed

in water, always request for

service to the service center or

the installation service provider.

• It can cause a fire and

electric shock.

Make the children and the

elderly use the product with

the help of a guardian.

• It can cause a safety

accident and problems to

the product.

Do not give impact to the

product.

• It can cause problem to the

product.

Installation manual 5

Accessory Parts

ENGLISH

Accessory Parts

Cable Assy Terminal Block Assy

Wire Holder

Variable Water

Flow Control PCB

Transformer

Screw (4EA)

Name of each part

6Variable Water Flow Control Kit

Name of each part

1. CN_PWR : Power input terminal(DC 12V)

2. CN_AO : Signal output terminal to control a water flow control valve(DC 0~10V)

3. CN_OUT : Outdoor unit connector

4. BUS_A : RS-485 (+) terminal

5. BUS_B : RS-485 (-) terminal

6. SWDIP : Switch to select main function

7. SW1 : Reset switch

Variable Water Flow Control Kit

16 7

3 2

Installation manual 7

Installation Method

1. Shut off the main power line of outdoor unit.

2. Install the VWFC(Variable Water Flow Control) PCB in the C/BOX by using screws.

3. Install the transformer in the C/BOX by using screws.

4. Install the terminal block in the C/BOX by using screws.

5. Connect the Main PCB(CN41) to VWFC(CN_OUT) by using the cable assy.

6. Connect the blue wire of transformer to the Main PCB (JIG1(L), JIG2(N)).

7. Connect the red wire of transformer to the terminal block (2Pin Yellow terminal block).

8. Connect a power cable (DC 12V) to CN_PWR(12V, GND) of VWFC.

9. Connect a signal cable (DC 0~10V) of water flow control valve to CN_AO(AO_01(A+), GND(A-)) of VWFC.

10. Case of two water flow control valve, Connect a signal cable (DC 0~10V) of water flow control valve to

CN_AO(AO_02(B+), GND(B-)) of VWFC.

11. Connect a power cable (AC 24V) of water flow control valve to the terminal block (2Pin Yellow terminal block,

Max current 0.42A).

12. Connect the RS-485 communication cable to CN_COMM(BUS_A, BUS_B) of VWFC

13. Set up the main function Dip S/W of VWFC PCB.

14. Set up the Dip SW of outdoor main PCB.

15. Turn on the main power line of outdoor unit.

16. Check the signal of water flow control valve to CN_AO(AO_01, GND) of VWFC and the water flow rate.

1. Install the product on flat surface and screw at least 2 places. Otherwise the VWFC PCB may not be

anchored properly.

2. Do not deform the case at random. It may cause malfunction of the Variable Water Flow Control PCB

3. This is a class A product. In a non-industrial environment, this product may cause radio interference, in

which case the user may be required to take adequate measures.

ENGLISH

Installation Method

1 2 3

1: Terminal block

2 : Transformer

3 : VWFC PCB

Setting and using method

1. Wiring Diagram

8Variable Water Flow Control Kit

Setting and using method

Installation manual 9

ENGLISH

2. Power source input

■

When wiring power source from outdoor unit

Outdoor Unit

PCB

DC12V or DC15V

GND

Power Source

DC12V

GND

■When using external power source

Notes

This device can accept only DC Power input.

Do not input 220VAC. Otherwise It will cause a serious damage.

Using external power source is recommended.

Setting and using method

Central

Control

Devices

BUS_A

BUS_B

10 Variable Water Flow Control Kit

■

When using ODU Dry contact with Central Control Devices

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