LG PQDSBCDVM0 INSTALLATION MANUAL

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.

TYPE : (Dry contact for demand control)

MODELS : PQDSBCDVM0

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www.lg.com

P/NO : MFL42540239

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2 SAFETY PRECAUTIONS

SAFETY PRECAU-	NAME OF EACH PART
TIONS	1	2	3	4	5

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 product 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.

	15
	14
	13	6
	12
		7
		8

11 10 9

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 communication status

14.CN_JIG : Connector for writing program

15.SW1 : Reset switch

* Install and use by qualified personnel only.

ACCESSORY PARTS 3

ACCESSORY PARTS

		Multi-V
	ODU Dry contact	BRACKET (1EA)
	PQDSBCDVM0
		Multi-V
	SCREW (4EA)	WIRE ASSY 1(1EA)
	Sub cable

WIRE ASSY 2(1EA)

Others : Tie Wrap (3 EA) - Cable Tie

Clamp (1 EA)

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

When wiring power source from outdoor unit.

When using external power source.

DC12V or DC15V DC12V

GND Outdoor Unit

PCB

GND Power

Source

! NOTE

This device can accept only DC Power input.

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

System structure

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

!

CAUTION

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.

RS-485

BUS_A

BUS_B

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