LG PQRNC0 Quick start guide
P/No.: 3828A20561U Printed in Korea
After reading this manual, keep it in a place easily accessible to the user for future reference.
ENGLISH
LG
Junction Simple Wired Remote controller
LG
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.
Owner's & Installation Manual
Visit us at : http://www.lgservice.com
Models: PQRNC0
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
2Junction Simple Wired Remote controller
Junction Simple Wired Remote controller Owner’s & Installation Manual
TABLE OF CONTENTS
■Safety Precautions....................................................................2
■Part Description ........................................................................6
Junction Simple Wired remote controller....................................7
■Junction Control System Structure.........................................9
■Installation Method .................................................................10
■Necessary functions before using .......................................12
Trial Operation ..........................................................................12
Setting the Central-Control Address ........................................13
ESP Function ...........................................................................14
■Main Function of Remote Controller.....................................15
On/Off Operation ......................................................................15
Cooling Operation ....................................................................16
Heating Operation ....................................................................17
Fan Speed Selection ................................................................18
Neutral / Gap setting function...................................................19
Power Failure compensation ....................................................20
Error code display function .......................................................20
Safety Precautions
Installation Manual 3
ENGLISH
Entrust installation of the
product to the service center
because improper installation
may cause fire, an electric
shock, explosion, and physical
injury.
Use the original parts in
order to prevent fire, an
electric shock, explosion,
and product breakdown.
Keep combustible and/or
inflammable materials away
from the product in order to
prevent fire or product
breakdown.
Do not disassemble, repair, or
modify the product at your
discretion in order to prevent fire
or an electric shock.
Do not install the product in wet
and humid areas in order to
prevent product breakdown.
Do not expose the product to the
sun in order to prevent product
breakdown.
■Installation
Service Center
Original Parts
Safety Precautions
• The installation requires expert skills, and it should be installed by the service center or other shops specialized
in the installation and recognized by our company.
• For all the problems arising after installation by someone who has no relevant qualifications, LG will not provide
free service.
• The following safety cautions are provided to prevent unexpected dangers or losses.
■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
Safety Precautions
4Junction Simple Wired Remote controller
Do not modify or lengthen the
power cable at your discretion.
It may cause fire or an electric
shock.
Do not place a heating device
near the product. It may cause
fire.
Do not drop water on to the
product. It may cause an electric
shock or product breakdown.
Do not place something heavy on
the power cable. It may cause fire
or an electric shock.
Do not place a heavy thing on the
product. It may cause product
breakdown.
If the product was submerged
under water, ask the service
center for instruction. It may
cause fire or an electric shock
unless you do that.
■In-use
■In-use
Service Center
Make sure children or senor
citizens use the product under
proper observation in order to
prevent safety accident.
Do not subject the product to
shock. It will cause product
breakdown.
Do not pick the product with a
sharp tool. It may cause
product breakdown with the
damage to its parts.
Do not clean the product with strong cleanser such
as solvent. Use soft clothes in order to prevent fire
or product deformation.
Do not touch the product with a wet hand. Do not
pull the lead cable. It may cause product breakdown
or an electric shock.
CAUTION
Installation Manual 5
ENGLISH
WARNING
Don't touch with the
hands while the power is
on
•
There is risk of fire or electric
shock.
Use standard
parts(connector).
•
Do not disassemble or repair
the product. There is risk of
fire or electric shock.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
•
Do not disassemble or repair
the product. There is risk of
fire or electric shock.
■Installation
When the product is soaked (flooded or
submerged), contact an Authorized Service
Center.
• There is risk of fire or electric shock.
Be cautious that water could not enter the
product.
• There is risk of fire, electric shock, or product
damage.
■Operation
Use the correctly rated
breaker or fuse.
• There is risk of fire or electric
shock.
Do not install, remove, or
re-install the unit by
yourself (customer).
• There is risk of fire, electric
shock, explosion, or injury.
For installation, always
contact the dealer or an
Authorized Service Center.
• There is risk of fire, electric
shock, explosion, or injury.
6Junction Simple Wired Remote controller
Part Description
PQRNC0
Cooling Heating Auto Dry Fan
Defrost Preheat Out door
Slo
Lo
Med
Hi
Po
Room Temp
Total on
Central Run
FAN
SPEED
Yellow
White
3. LCD Screen
1. Connection cable for Dry contact Module
(Linked Other equipment)
2. Connection cable for Air-conditioner
Wired Remote Controller
Part Description
1. Remote control part
Installation Manual 7
ENGLISH
Part Description
Junction Simple Wired remote controller
PQRNC0
FAN
SPEED
Cooling Heating Auto Dry Fan
Defrost Preheat Out door
Slo
Lo
Med
Hi
Po
Room Temp
Total on
Central Run
4. Fan Speed Button
3. Temperature Control Button
1. Operation Display Panel
2. On/Off Function
Each function will be shown on the display panel for three second or so when the power is applide at first.
•When changing the group control switch, the power must be reconnected to reflect the changes.
❈
On/Off operation can be operated by central controller only on cooling mode. But we do not recommend this
method.
Group control switch
1. For individual control use
2. For group control use
Ceiling height selection switch
1. Low ceiling
2. Standard ceiling
3. High ceiling
Indoor temperature sensor
selection switch
1. Use the temperature sensor on
the remote controller
2. Use the temperature sensor on
the product.
3. Use the sensor with the lower
temperature between the
remote controller and indoor
unit.
8Junction Simple Wired Remote controller
Part Description
2. Dry contact module part
Accessory
User/Installation
Manual
Installation Paper
Dry contact
(For installation, 4EA)
Remote controller
(For installation, 4EA)
Yellow Connector
(10m, For Dry Contact)
White Connector
(10m, For Indoor)
Dry contact - 4EA
(For assembly the case)
CN-POWER : AC 220V Connector
CN-CC : Remote controller Connector
CN_DRY (L) : DRY CONTROLLER
Connector
CN_DRY ( SIG ) : DRY CONTROLLER
Connector
CN_DRY (ERROR CHECK) : ERROR Check
Display Connector
CN_DRY( OPER STATE): Operation Display
Connector
DRY CONTACT UNIT
LG
[Top case]
1
2
3 4 5 6
[Bottom case]
Installation Manual 9
ENGLISH
Junction Control System Structure
Junction Control System Structure
DRY CONTACT UNIT
LG
AC power
(AC 220V~
234V)
Actuator
Operation signal
(AC power)
A
Remote Controller
Dry Contact Module
Radiator
< Simple Wired remote control System >
< Junction Wired remote control System >
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