LG PQDSBCDVM0 INSTALLATION MANUAL

P/NO : MFL42540239

INSTALLATION MANUAL

TYPE : (Dry contact for demand control)
MODELS : PQDSBCDVM0

AIR
CONDITIONER

www.lg.com

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

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUESE

MAGYAR

БЪЛГАРСKN

SRPSKI

HRVATSKI

SVENDKA

NORSK

SUOMI

DANSK

EESTI KEEL

MALTI

SLOVENČINA

SLOVENŠČINA

LATVIEŠU VALODA

LIETUVIŲ KALBA

GAEILGE

МАКЕДОНСКИ

SHQIP

ÍSLENSKA BOSANSKI

2

SAFETY PRECAUTIONS

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.

WARNING

This symbol indicates the possibility of death
or serious injury.

CAUTION

This symbol indicates the possibility of injury
or damage.

• Meanings of symbols used in this manual
are as shown below.

WARNING

During installation

• Do not touch the board when the power is

connected.

• Always request for installation of the prod-

uct to the service center or the installation
service provider.

• When reinstalling the previously installed

product, request for service to the service
center or the installation service provider.

• Do not install the product where it can be

exposed to rain.

•

Do not install the product in a humid location.

During use

• Do not modify or extend the power cord.

•

Do not use any flaming devices near the product.

• Do not use any heating devices near the

power cord.

• Do not pour water inside the product.

• When the product is submersed in water,

always request for service to the service cen­ter or the installation service provider.

• Make the children and the elderly use the

product with the help a guardian.

• Do not give impact to the product.

* Install and use by qualified personnel only.

!

!

!

Dry contact for DEMAND CON­TROL

1. SWDIP : Switch to select main function

2. SW_Address2 : Switch to set a upper
address of the outdoor unit

3. SW_Address1 : Switch to set a lower
address of the outdoor unit

4. SW_STEP : Switch to select a control
mode.

5. CN_PWR : DC Input terminal

6. ERROR : Error display with relay contact

7. BUS-A : RS-485 (+) Terminal

8. BUS-B : RS-485 (-) Terminal

9. CN_CAPACITY : Signal input terminal to
control a capacity of outdoor unit

10. CN_SPEED/CAP : Signal input terminal for

Analog Input/Low noise operation

11. CN_OUT : Outdoor unit connector

12. LED1 : Display LED for RS-485 status

13. LED01G,02G,03G : Display LED for com-

munication status

14. CN_JIG : Connector for writing program

15. SW1 : Reset switch

NAME OF EACH PART

12 34 5

15

14

13
12

91011

6

7
8

ACCESSORY PARTS

3

ENGLISH

INSTALLATION
METHOD

1. Connect the connection wires according to
the instructions.
(Please refer to Setting and Using Method)

2. Perform the switch setting according to
switch setting method.
(Please refer to Setting and Using Method)

3. Fix the Dry contact on suitable space inside
of the outdoor unit.

SETTING AND USING
METHOD

After change any Dry contact setting, then
you must press RESET switch to reflect the
setting.

Power source input

① When wiring power source from outdoor

unit.

② When using external power source.

System structure

When outdoor unit has RS-485
communication function
(Master Mode)

NOTE

!

This device can accept only DC Power
input.

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

Install the product on flat surface and
screw at least 2 places. Otherwise the Dry
contact may not be anchored properly.

Do not screw too tightly. It may cause de­formation of the case.

Do not deform the case at random. It may
cause malfunction of the Dry contact.

CAUTION

!

① DC12V or DC15V
② DC12V

① GND Outdoor Unit

PCB

② GND Power

Source

ACCESSORY PARTS

Others : Tie Wrap (3 EA) - Cable Tie

Clamp (1 EA)

RS-485

BUS_B

BUS_A

Multi-V

ODU Dry contact

PQDSBCDVM0

Sub cable

WIRE ASSY 2(1EA)

BRACKET (1EA)

Multi-V

WIRE ASSY 1(1EA)SCREW (4EA)