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LG ATNH12GPLE1 Installation Manual

4way ceiling cassette
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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 : 4WAY CEILING CASSETTE
MODEL : ATNH12GPLE1 [UTN12WH]
ATNH18GPLE1 [UTN18WH]
ATNH21GNLE1 [UTN21WH]
P/NO : MFL67343001
www.lg.com

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Summary of Contents for LG ATNH12GPLE1

  • Page 1 • 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 : 4WAY CEILING CASSETTE MODEL : ATNH12GPLE1 [UTN12WH] ATNH18GPLE1 [UTN18WH] ATNH21GNLE1 [UTN21WH] www.lg.com...
  • Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
  • Page 3 SAFETY PRECAUTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING...
  • Page 4 SAFETY PRECAUTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION Features INSTALLATION Installation Tools Installation of Indoor, Outdoor Unit REMOTE CONTROLLER INSTALLATION Wired remote controller installation OPTIONAL OPERATION Installer Setting -How to enter installer setting mode Installer Setting -Test Run Mode Installer Setting - Setting Address of Central Control Installer Setting -Thermistor Installer Setting -Ceiling Height...

  • Page 6: Introduction

    INSTALLATION PARTS INTRODUCTION Features Filter Air Outlet Air Inlet Wired Remote Controller...

  • Page 7: Installation

    INSTALLATION INSTALLATION Installation Tools Figure Name Figure Name Screw driver Ohmmeter Electric drill Hexagonal wrench Measuring tape, Knife Ammeter Hole core drill Gas-leak detector Thermometer, Spanner Horizontal meter Torque wrench Flaring tool set Manifold gauges Vacuum pump...

  • Page 8: Installation Of Indoor, Outdoor Unit

    INSTALLATION Installation of Indoor, Outdoor Outdoor unit - If an awning is built over the unit to prevent Unit direct sunlight or rain exposure, be careful that heat radiation from the condenser is not Selection of the best location restricted. Indoor unit - There should not be any animals or plants which could be affected by hot air dis-...
  • Page 9 INSTALLATION Ceiling opening dimensions and 875 (Ceiling opening) hanging bolt location 787 (Hanging bolt) - The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions. - Select and mark the position for fixing bolts and piping hole.
  • Page 10 INSTALLATION NOTE Thoroughly study the following installation locations: In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat exchange reduction, spraying, dispersing of water drops, drain pump malfunction, etc.
  • Page 11 INSTALLATION The Indoor Unit Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 Air Conditioner body (W3/8 or M10) (accessory) Ceiling board Ceiling board Spring washer (M10) Keep the length of 15~18mm between the air conditioner bottom surface and the ceiling surface...
  • Page 12 INSTALLATION Wiring Connection - Open the control box cover and connect the Remote controller cord and Indoor power wires. Remote Controller Cable Connecting Cable 1(L) 2(N) 3 1(L) 2(N) 3 1(L) 2(N) POWER INPUT Outdoor unit Indoor unit CAUTION WARNING Make sure that the screws of the termi- Installation work must be performed in nal are free from looseness.
  • Page 13 INSTALLATION Connecting Pipes to the Indoor Unit Putting nut on - Remove flare nuts attached to indoor and - Preparation of Piping outdoor units, than put them on pipe/tube Main cause of gas leakage is defect in flaring having completed burr removal. work.
  • Page 14 INSTALLATION Check Liquid side *Compare the flared work with figure below. *If flare is noted to be defective, cut off the Indoor flared section and do flaring work again. unit - If the piping and the drain hose are in com- Outdoor mon direction bundle the piping and the drain Flare connection...
  • Page 15 INSTALLATION Installation of Decorative Panel Insert two screws on diagonal corners of panel. Do not tighten the bolts completely. (The fixing screws are included in the The decorative panel has its installation indoor unit box.) direction. Check the alignment of panel with the ceil- Before installing the decorative panel, ing.
  • Page 16 INSTALLATION Open two screws of control panel cover. Fit the link on the panel as shown in pic- ture. (The link is included in the front panel unit box.) Link Screw Connect one display connector and two vane control connectors of front panel to indoor unit PCB.
  • Page 17 INSTALLATION Indoor Unit Drain Piping CAUTION - Drain piping must have down-slope (1/50 to Install certainly the decorative panel. 1/100): be sure not to provide up-and-down Cool air leakage causes sweating. ⇨ slope to prevent reversal flow. Water drops fall. - During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
  • Page 18 INSTALLATION Drain test HEAT INSULATION The air conditioner uses a drain pump to drain - Use the heat insulation material for the water. refrigerant piping which has an excellent heat-resistance (over 120°C). Use the following procedure to test the drain pump operation: - Precautions in high humidity circumstance: This air conditioner has been tested accord-...

  • Page 19: Remote Controller Installation

    REMOTE CONTROLLER INSTALLATION REMOTE CONTROLLER INSTALLATION Please fix tightly using provided screw Can set up Wired remote controller cable after placing remote controller setup board into three directions. on the place where you like to setup. - Setup direction: the surface of wall recla- - Please set it up not to bend because poor mation, upper, right setup could take place if setup board...
  • Page 20 REMOTE CONTROLLER INSTALLATION Please fix remote controller upper part into <Connecting order> the setup board attached to the surface of the wall, as the picture below, and then, connect with setup board by pressing lower part. Wall Wall - Please connect not to make a gap at the Side Side remote controller and setup board’s...

  • Page 21: Wired Remote Controller Installation

    REMOTE CONTROLLER INSTALLATION Wired remote controller installation - Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature.

  • Page 22: Optional Operation

    OPTIONAL OPERATION OPTIONAL OPERATION Installer Setting -How to enter installer setting mode CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it can cause problems to the product, user injury or property damage.
  • Page 23 OPTIONAL OPERATION <Installer Setting Code Table> Function Code Value Test Run 01:Set Address Setting 00~FF : Address <ESP Step> <ESP Value> <Example> 01:VeryLow 0 ~ 255 02:Low E.S.P. Value 03:Med Function Code ESP step ESP value 04:High 05:Very High 01:Remo Thermistor 02:Indoor 03:2TH...

  • Page 24: Installer Setting -Test Run Mode

    OPTIONAL OPERATION Installer Setting -Test Run Mode After installing the product, you must run a Test Run mode. For details related to this operation, refer to the product manual. If pressing button long for 3 seconds, it enters into remote controller setter setup mode.

  • Page 25: Installer Setting - Setting Address Of Central Control

    OPTIONAL OPERATION Installer Setting - Setting Address of Central Control It's the function to use for connecting central control. Please refer to central controller manual for the details If pressing button long for 3 seconds, it enters into remote controller setter setup mode.

  • Page 26: Installer Setting -Thermistor

    OPTIONAL OPERATION Installer Setting -Thermistor This is the function to select the temperature sensor to judge the room temperature. If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode.

  • Page 27: Installer Setting -Ceiling Height Selection

    OPTIONAL OPERATION Installer Setting -Ceiling Height Selection This function is to adjust FAN Airflow rate according to ceilingheight (only cassette model) If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode.

  • Page 28: Installer Setting-Group Setting

    OPTIONAL OPERATION Installer Setting-Group Setting It is a function for settings in group control, or 2-remote controller control. If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode.

  • Page 29: Installer Setting-Dry Contact Mode Setting

    OPTIONAL OPERATION Installer Setting-Dry Contact Mode Setting Dry contact function is the function that is possible to use only when dry contact equipment is separately purchased/setup. If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode.

  • Page 30: Installer Setting-Celsius / Fahrenheit Switching

    OPTIONAL OPERATION Installer Setting-Celsius / Fahrenheit Switching This function is used for switching the display between Celsius and Fahrenheit. (Optimized only for U.S.A) If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode.

  • Page 31: Installer Setting -Optional Function Setting

    OPTIONAL OPERATION Installer Setting -Optional Function Setting Setting feature for indoor unit when air cleaning / heater / humidifier / Up/down grill / Ventilation KIT /Auxiliary Heater is newly installed, or installed unit is removed. If pressing button long for 3 seconds, it enters into remote controller setter setup mode.

This manual is also suitable for:

Atnh18gple1Atnh21gnle1Utn12whUtn18whUtn21wh

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