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12

Indoor Unit

Installation

DIP Switch Setting

CAUTION

For Multi V Models, DIP switch 1, 2, 6, 8 must be set OFF.

!

Function

Description

Setting Off

Setting On

Default

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

Communication

Cycle

Group Control

Dry Contact Mode

Installation

Heater linkage

Ventilator linkage

Vane selection
(Console)

Region selection

Etc.

N/A (Default)

N/A (Default)

Selection of Master or Slave

Selection of Dry Contact
Mode

Fan continuous operation

N/A

Selection of Ventilator 
linkage

Selection of up/down side
Vane

Selection tropical region

Spare

-

-

Master

Wired/Wireless remote 

controller

Selection of Manual or Auto

operation Mode

Continuous operation Removal

-

Linkage Removal

Up side + Down side Vane

General model

-

-

-

Slave

Auto

-

-

Working

Up side Vane

Only

Tropical model

-

Off

Off

Off

Off

Off

Off

Off

Off

2. Outdoor Unit

1. Indoor Unit

In case that the products meet specific conditions, “Auto addressing” function can start automatically
with the improved speed by turning the DIP switch #3 of the outdoor unit and resetting the power.

* Specific conditions:

- All names of the indoor units are ARNU****4.
- The serial number of Multi V super IV (outdoor units) is after October 2013.

DIP switch    7 segment

Outdoor Unit PCB

Outdoor Unit DIP Switch

Summary of Contents for ARNU09GTUB4

Page 1: ...formed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly INSTALLATION MANUAL AIR CONDITIONER www lg com Copyright 2018 2019 LG Electronics Inc All Rights Reserved MFL69459945 Rev 00_112719 ENGLISH ESPAÑOL PORTUGUÊS ...

Page 2: ...e Best Location 7 Ceiling Dimension and Hanging Bolt Location 8 Wiring Connection 9 Installation of Decoration Panel Panel Type 10 Installation of Decoration Panel Grille Type 11 Drain Piping 12 DIP Switch Setting 13 Group Control Setting 18 Airborne Noise Emission 18 Limiting concentration TABLE OF CONTENTS ...

Page 3: ...Parts Name Quantity Shape for gas pipe for liquid pipe Clamp metal 2 EA Insulation for fitting 1 SET Drain hose 1 EA Plastic band 8 EA Washer for hanging backet 4 EA Other Paper pattern for installation Owner s manual Installation manual Installation 1 sheet Optional or factory installed Panel type Grille type Screws for fixing panels are attached to decoration panel Installation Tool ...

Page 4: ...s left open Moisture may condense and wet or damage furniture Be cautious when unpacking and installing the product Sharp edges could cause injury Be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defe...

Page 5: ...r control box cover are removed or opened Otherwise it may cause fire electric shock explosion or death Operation Do not store or use flammable gas or combustibles near the product There is risk of fire or failure of product Installation Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ens...

Page 6: ...tallation parts and the unit should be taken appropriate anti corrosion measures NOTE Avoid the following installation location 1 Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated These may cause heat exchange efficiency reduction or water drops drain pump mal function In these cases take the following actions Make sure that ventilation fan is eno...

Page 7: ...ing bolts and piping hole Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor bolt on the wall Set screw of paper model 4 pieces Paper model for installation Ceiling board 70 mm Adjust the same height Ceiling board Ceiling Flat washer for M10 accessory Keep the length of the bolt from the bracket to 40 ...

Page 8: ... wiring follow the circuit diagram pasted on the inside of control box cover 2 Provide a circuit breaker switch between power source and the unit 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are l...

Page 9: ...nd side covers Air conditioner unit Decorative panel Side cover Decorative panel fixing screws hexagon M6 screws tightening about 20 mm Air inlet panel Air outlet vane Plasma filter applied only to plasma model Mesh Control box cover The decoration panel has its installation direction Before installing the decoration panel always remove the paper template Air conditioner unit Ceiling board Decorat...

Page 10: ...ide covers Air conditioner unit Decorative panel Plasma filter applied only to plasma model Mesh Control box cover Decorative panel fixing screws hexagon M6 screws tightening about 20 mm Side cover Air inlet grille Air outlet vane The decoration panel has its installation direction Before installing the decoration panel always remove the paper template Air conditioner unit Ceiling board Decoration...

Page 11: ...n end Feed water to 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 flex ible drain hose to the drain port on the indoor unit Heat insulation material Polyethylene foam with thick ness more than 8 mm Drain Test Maintenance drain port Upward routing not al...

Page 12: ...Vane Selection tropical region Spare Master Wired Wireless remote controller Selection of Manual or Auto operation Mode Continuous operation Removal Linkage Removal Up side Down side Vane General model Slave Auto Working Up side Vane Only Tropical model Off Off Off Off Off Off Off Off 2 Outdoor Unit 1 Indoor Unit In case that the products meet specific conditions Auto addressing function can start...

Page 13: ...s remote controller 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...

Page 14: ... 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 than those it is same wit...

Page 15: ...rd 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 Intake Unit ...

Page 16: ... 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 indoor unit the error code ...

Page 17: ... PZCWRCG3 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 18: ...of time for which an operator exposed to the noise Also the permissible exposure level can vary from country to country This information however will enable the user of the equipment to make a better evaluation of the hazard and risk Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air The ...

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