LG MT06AH Instruction Manual Download Page 7

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Installation of Indoor

Installation Manual

ENGLISH

• Select and mark the position for fixing bolts and

piping hole.

• Decide the position for fixing bolts slightly tilted

to the drain direction after considering the direc-
tion of drain hose.

• Drill the hole for anchor bolt on the wall.

CAUTION:
• This air-conditioner uses a drain pump.

• Horizontly install the unit using a level

gauge.

• During the installation, care should be

taken not to damage electric wires.

Ceiling opening dimensions and hanging bolt location

• The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions.

Ceiling board

Level gauge

Ceiling

1,000 (Ceiling opening)

931.6

893.4 (Hanging bolt)

330 (Hanging bolt)

860

390

450 (Ceiling opening)

Unit: mm

585~660

517

461

517

585~660

523

570

319

Unit: mm

875

787

684

671

875

840

Summary of Contents for MT06AH

Page 1: ...r future reference after reading it thoroughly Representative LG Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA For more information Refer to the CD or LG Web site www lg com CEILING CASSETTE Original ins...

Page 2: ...on 12 ELECTRICAL WIRING 13 6 Connecting Pipes to the Indoor Unit 14 PIPING CONNECTION 15 7 Installation of Decorative Panel 16 8 Indoor Unit Drain Piping 18 HEAT INSULATION 19 1 PRECAUTIONS IN TEST RUN 19 CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE 19 2 Connection of power supply 20 3 Evaluation of the performance 20 1 Test Run Mode 21 2 Setting Address of Central Control 22 3 Thermist...

Page 3: ...follow the instruction Safety Precautions n Installation Do not use a defective or underrated circuit breaker Use this appli ance on a dedicated circuit There is risk of fire or electric shock For electrical work con tact 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 Always ground the produ...

Page 4: ... or damage to the product Be sure the installation area does not deterio rate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the air condi tioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage fur niture Use a vacuum pump or I...

Page 5: ...when installing the product To avoid vibration or water leakage Do not install the prod uct where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the prod uct where it will be exposed to sea wind salt spray directly It may cause corrosion...

Page 6: ... obstacles The indoor unit must keep the mainte nance space Selection of the best location Unit cm Ceiling Ceiling Board Ceiling Board 30 or more Above 250 330 or less 100 or more 50 or more 50 or more 30 or less Floor More than 30cm Unit cm Ceiling Ceiling Board Ceiling Board 20 or more Above 250 330 or less 100 or more 50 or more 50 or more 30 or less Floor h Please use an annexed sheet or the c...

Page 7: ...s a drain pump Horizontly install the unit using a level gauge During the installation care should be taken not to damage electric wires Ceiling opening dimensions and hanging bolt location The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions Ceiling board Level gauge Ceiling 1 000 Ceiling opening 931 6 893 4 Hanging bolt 330 Hanging bolt 860 390...

Page 8: ...here sulfurous acid gas or corrosive gas is generated 5 Avoid places near high frequency generators Thoroughly study the following installation locations 1 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 ma...

Page 9: ...ory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 Air Conditioner body Keep the length of mm between the air conditioner bottom surface and the ceiling surface Installation Manual 9 Installation of Indoor ENGLISH The following parts is option Hanging Bolt W 3 8 or M10 Nut W 3 8 or M10 Spring Washer M10 Plate Washer M10 CAUTION Tighten the nut and bolt to prevent unit f...

Page 10: ...roller board fit to the reclamation box if there is a reclamation box Install the product so as not to make a gap with the wall side and to prevent shaking after the installation 2 Can set up Wired remote controller cable into three directions Setup direction the surface of wall reclamation upper right If setting up remote controller cable into upper and right side please set up after removing rem...

Page 11: ...holes Please individually separate one at a time Please be careful not to damage the inside components when separating 4 Please connect indoor unit and remote controller using connection cable 5 Please use extension cable if the distance between wired remote controller and indoor unit is more than 10m Please check if connector is normally connected Connecting cable Indoor Unit side When installing...

Page 12: ...er wires Remote Controller Cable Connecting Cable Terminal Block of Outdoor Unit L N 1 L 2 N 3 4 1 L 2 N 3 4 5 Terminal Block of Indoor Unit POWER INPUT OPTION TO AIR FRESH KIT Electricwire Round crimp style terminal Attach insulation sleeve Connect wires of the same gauge to both sides WARNING Make sure that the screws of the terminal are free from looseness ...

Page 13: ...r 3 Feed the power source to the unit via a distribution switch board designed for this purpose 4 The terminal screws inside the control box may be loose due to vibration during transport Check the screws for loose connection Running the air conditioner with loose connection can overload and damage electrical compo nents 5 Always ground the air conditioner with a grounding wire and connector to me...

Page 14: ...Putting nut on Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work 4 Flaring work Carry out flaring work using dedicated flar ing tool for R 410A as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 5 Check Compare the flared work with figure below ...

Page 15: ...be carried out using the service ports of both the liquid and gas side valves Connection of the pipes 1 When piping installation work you must be used the connector Connecting pipe size Outdoor unit Liquid side Flare connection Flare connection Gas side Indoor unit A B Gas side Liquid side A B A B 24k Ø15 88 Ø12 7 Ø9 52 Ø6 35 30k 36k Ø9 52 Ø6 35 Indoor Units Indoor Units Gas side Liquid side 7k 9k...

Page 16: ...rom front panel 2 Remove the Corner covers of the panel 3 Fit the panel on the unit by inserting hooks as shown in picture 4 Insert two screws on diagonal corners of panel Do not tighten the bolts completely The fixing screws are included in the indoor unit box Check the alignment of panel with the ceiling Height can be adjusted using hanging bolts as shown in picture Insert the other two screws a...

Page 17: ...l cover 7 Connect one display connector and two vane control connectors of front panel to indoor unit PCB The position marking on PCB is as Display connector CN DISPLAY Vane control connector CN VANE 1 2 8 Close the cover for control box 9 Install the air inlet grille and Filter on the panel Screw CN VANE 1 2 CN DISPLAY ...

Page 18: ... 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 Air conditioner unit Ceiling board Decorative panel Decorative panel Fit the insulator this part and be careful for cool air leakage Good example Air Cool air leakage no good Bad example Ceiling board Air c...

Page 19: ...tion firstly even during heating season If heating operation is carried out firstly it leads to the trouble of compressor Then attention must be paid Carry out the test run more than 5 minutes without fail Test run will be cancelled 18 minutes later automatically The test run is started by pressing the room temperature checking button and down timer button for 3 seconds at the same time To cancel ...

Page 20: ...e 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 loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated volt age marked on ...

Page 21: ...direction start stop button 4 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 Please press more than 3 seconds for sure Please cancel the right and left of wind direction for RAC product 1 Setup figure 01 blinks at the lower part of indication window 2 After installing the product you must run a Test R...

Page 22: ...t Indoor No by pressing button 5 Press button to save 6 Pressing button will exit settings mode After setup it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected 7 If entering into address setup mode by using button it indicates as picture below 2 If pressing button long for 3 seconds it en...

Page 23: ...ally gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected j The function of 2TH has different operation characteristics according to the product Temperature sensor selection Function 01 Remote controller Operation in remote controller temperature sensor 02 Indoor unit Operation in indoor unit temperature s...

Page 24: ...ease press more than 3 seconds for sure 1 Pressing button will exit settings mode After setup it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected j Ceiling height setting is available only for some products j Ceiling height of Super high function may not exist depending on the indoor unit...

Page 25: ... mode Please press more than 3 seconds for sure 1 If pressing button repeatedly it moves to master slave selection menu as picture below 2 5 Remote controller Function Master Indoor unit operates based on master remote controller at group con trol Master is set when delivering from the warehouse Slave Setup all remote controllers except one master remote controller to slave at group control When c...

Page 26: ...n repeatedly it moves to remote controller dry contact mode setup menu as picture below 2 Pressing button will exit settings mode After setup it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected 5 Dry contact function is the function that is possible to use only when dry contact equipment ...

Page 27: ...ote controller setter setup mode If pressing once shortly it enters into user setup mode Please press more than 3 seconds for sure 1 Press button to exit or system will automatically exit after 25 seconds without any input 5 Repeat pressing button to select Function code 12 Ex Fahrengeit Setting 2 Select Temperature unit mode by pressing button 00 Celsius 01 Fahrenheit 3 Press button to save or re...

Page 28: ...utton long for 3 seconds it enters into remote controller setter setup mode If pressing once shortly it enters into user setup mode Please press more than 3 seconds for sure 1 If pressing button repeatedly it moves to the selected option function code as picture below 2 Pressing button will exit settings mode After setup it automatically gets out of setup mode if there is no button input for 25 se...

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