LG PQDSBC User Manual

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Dry contact for communication

Owner's & installation manual

Models: PQDSBC

IMPORTANT

•Please read this 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.

Dry contact for communication Owner’s &installation manual

TABLE OF CONTENTS

		.............................................................
■ Safety Precautions				3~4
		..................................................................
■ Name of each part				5
		.............................................................
■ Installation Method				6~7
Installation inside of the indoor unit..........................................................				6
Installation outside of the indoor unit .......................................................				7
			................................................
■ Setting and using method				8~18
1.	Power supply and indoor unit connection............................................			8
2.	Setting of Contact Signal Input ............................................................			9
3.	Setting the desired temperature ........................................................			10
4.	Control mode setting..........................................................................			11
5.	Indoor unit monitoring ........................................................................			15

2 Dry contact for communication

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.

Be sure not to do.

Be sure to follow the instruction.

WARNING

■ During installation

for

of the product center or service

fire, electric 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.

Service	center

Do not install the product where it can be exposed to rain.

• It can cause problems to the product.

Do not install the product in a humid location.

• It can cause problems to the product.

Owner’s

Safety Precautions

■ During use

Do not modify or extend the	Do not use any flaming
power cord.	devices near the product.
• It can cause a fire and	• It can cause a fire.
electric shock.

Do not pour water inside the	When the product is
product.	submersed in water, always
	request for service to the
	service center or the
	installation service provider.

Do not use any heating devices near the power cord.

•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 an electric shock and problem to the product.

•It can cause a fire and electric shock.

•It can cause a safety accident and problems to the product.

Service	center

Do not give impact to the product.

•It can cause problems to the product.

4 Dry contact for communication

Name of each part

(Rear case)

(Front case)	8

CN_OUT

CHANGE OVERSW	NOT	VOLT	NON
	USB		VOLT

TEMP

SETTI NG

(Top)

(Internal PCB board)

(Side)

DRY CONTACT FOR COMMUNICATION (DRY_CONTACT FOR COMMUNICATION)

1. CN_INDOOR	: Connect communication wire between indoor unit and Dry contact for communication
	and supply power to Dry contact for communication
2. CN_PI485	: PI485 connector
3. CHANGE_OVER_SW : Switch to select voltage (5V-12V) of contact point
4. CN_CONTROL	: Contact point signal input
5. CONTROL_MODE_SW : Switch to select the control mode
6. SETTING_SW	: Switch to select whether to use set function of Dry contact for communication

7.TEMP_SETTING : Switch to set the desired temperature of the indoor unit

8.CN_OUT (O1, O2) : Connector to show whether the indoor unit is operating

9.CN_OUT (E3, E4) : Connector to show whether there is an error with the indoor unit

10.DISPLAY_LED : LED to display the status of the Dry contact for communication

11. RESET_SW

: Reset switch

Owner’s & installation manual 5

+ 11 hidden pages