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Installation Manual  

9

Installation

ENGLISH

Set screw of
paper pattern (4 pieces)

Paper pattern
for installation

90 mm

Adjust the

same height

Ceiling board

Ceiling 

Flat washer for M10

(accessory)

Keep the length of the bolt
from the bracket to 40 mm

Open the ceiling board
along the outer edge of the 
paper pattern

Flat washer for M10

(accessory)

Hanging bolt

(W3/8 or M10)

Nut
(W3/8 or M10)

Nut

(W3/8 or M10)

Air Conditioner body

Ceiling board

Ceiling board

Ceiling board

• The following parts are local purchasing.

Hanging Bolt    - W 3/8 or M10

Nut                   - W 3/8 or M10

Spring Washer - M10

Plate Washer   - M10

Terminal Block

Indoor

Terminal

Block

Indoor

Terminal Block of outdoor unit

1(L) 2(N)

3

4

INDOOR POWER INPUT

B

SODU

IDU

INTERNET DRY1 DRY2 GND 12 V

B

A

A

B

A

-

-

-

-

Outdoor unit

Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit

respectively.

WARNING

Make sure that the screws of the terminal are free from looseness.

CAUTION

The Power cord connected to the unit should be selected according to the following
specifications. 

CAUTION

The connecting cable connected to the indoor and outdoor unit should be complied with the
following specifications (This equipment shall be provided with a cable set complying with the
national regulation).

If the supply cable is damaged, it must be replaced by a special cable or assembly available from
the manufacturer of its service agent.

!

!

!

CAUTION

Tighten the nut and bolt to prevent the
unit from falling.

!

Wiring Connection

Summary of Contents for ARNU09GTSA4

Page 1: ...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 Ceiling Cassette 2Way ARNU09GTSA4 ARNU12GTSA4 ARNU18GTSA4 ARNU24GTSA4 Original instruction www lg com Copyright 2018 2019 LG Electronics Inc All Rights Reserved ENGLISH BAHASA INDONESIA ...

Page 2: ...N 6 Model Designation 6 Airborne Noise Emission 6 Limiting concentration 7 Selection of the best location 8 Ceiling dimension and hanging bolt location 9 Wiring Connection 10 Installation of Decoration Panel 11 Drain Piping 13 DIP Switch Setting 14 Group Control Setting TABLE OF CONTENTS ...

Page 3: ...lation Parts Name Drain hose Clamp metal Washer for hanging bracket Clamp Tie Wrap Insulation for fitting Quantity 1 EA 2 EA 8 set 4 EA 1 EA Shape Screws for fixing panels are attached to decoration panel for gas pipe for liquid pipe Other Paper pattern for installation Owner s manual Installation manual Installation Tool ...

Page 4: ...ed Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated bre...

Page 5: ... check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration or water leakage Use two or more people to lift and transport the product Avoid personal injury In o...

Page 6: ...on gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 Freon gas weight per unit air volume for facilitating calculation n Calculate refrigerant concentration Refrigerant concentration Total amount of replenished refrigerant in refrigerant facility kg Capacity of smal...

Page 7: ... install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must have the maintenance space Unit mm Ceiling Ceiling Board Ceiling Board 300 or more Above 1 800 3 000 or less 1 000 or more 500 or more 500 or more 300 or less Floor 21 3 CAUTION In case that the unit is installed near the sea the installation parts may be corroded...

Page 8: ...ll the air conditioner in such a place where it may not suck oily steam 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid places where noxious gas is generated 5 Avoid places near high frequency generators NOTICE CAUTION This air conditioner uses a drain pump Install the unit horizontally using a...

Page 9: ...DU INTERNET DRY1 DRY2 GND 12 V B A A B A Outdoor unit Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively WARNING Make sure that the screws of the terminal are free from looseness CAUTION The Power cord connected to the u...

Page 10: ...rops fall 1 Temporarily fix two decoration panel fixing screws hexagon M5 screw on the unit body Tighten by amount 10 mm in length The fixing screws hexagon M5 screw are included the indoor unit box 2 Remove the air inlet grille from the decoration panel Remove the hook for the air inlet grille cord 3 Hook the decoration panel key hole on the screws fixed in step above and slide the panel so that ...

Page 11: ... the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise when electrical wiring is complete When the test is complete connect the flexible drain hose to the drain port on the indoor unit Heat insulation material Polyethylene foam with thickness more than 8 mm Drain test Flexible drain hose Maintenance drain port Upward routing not all...

Page 12: ...of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Confirm the Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in t...

Page 13: ...Linkage Removal Working Off Vane selection Console Selection of up down side Vane Up side Down side Vane Up side Vane Only Region selection Selection tropical region General model Tropical model SW8 Etc Spare Off For Multi V Models DIP switch 1 2 6 8 must be set OFF CAUTION 1 Indoor Unit 2 Outdoor Unit In case that the products meet specific conditions Auto addressing function can start automatica...

Page 14: ...roller 1 It is possible to 16 indoor units Max by one wired remote controller Set only one indoor unit to Master set the others to Slave 2 It is possible to connect with every type of indoor units 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time The Master indoor unit is possible to recognize Dr...

Page 15: ...e is no setting of master and slave h In case of Group Control it is possible to use following functions Selection of operation stop or mode Temperature setting and room temperature check Current time change Control of flow rate High Middle Low Reservation settings It is not possible to use some functions h It is possible to control 16 indoor units Max with the master wired remote control h Other ...

Page 16: ...rd Standard FAU FAU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit h In case of connecting with standard indoor unit and Fresh Air Intake Unit separate Fresh Air Intake Unit with standard units N M 16 Because setting temperature are different h Other than those it is same with Group Control 1 3 Group Control 3 n Mixture connection with indoor units and Fresh Air Inta...

Page 17: ...r unit Set only one indoor unit to Master set the others to Slave Set only one wired remote controller to Master set the others to Slave 2 Every types of indoor unit is possible to connect two remote controller 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case that any error occurs at i...

Page 18: ...3 cable used for connection h PZCWRC2 cable used for connection Slave Master Master PZCWRCG3 Master Slave PZCWRC2 CAUTION Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum cable usage 5 Accessories for group control setting It is possible to set group control by using below accessories ...

Page 19: ...PT LG Electronics Indonesia Gandaria 8 Office Tower Lt 29 BC 31 ABCD Jl Sultan Iskandar Muda Kebayoran Lama Utara Kebayoran Lama Jakarta Selatan DKI Jakarta Raya Indonesia ...

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