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Installation

Installation Instructions

1

. With the FAN SPEED button pressed,

press the RESET button.

2

. By using the TEMPERATURE SETTING

button, set function code and setting value.
(Please refer the Installer Setting Code
Table.)

3

. Press the ON/OFF button toward the

indoor unit 1 time.

4

. Reset the remote controller to use the

general operation 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. This must be set by an certificated installer, and any installation
or change that is carried out by a non-certificated person should be responsible for the
results. In this case, free service cannot be provided.

!

R efer to the Installer S etting Code Table
on the next page. 

Installer Setting - How to enter installer setting mode

22

    Ceiling Cassette Air Conditioner

LG

Summary of Contents for AT-C186PLE0

Page 1: ...allation manual completely before installing the product Installation work must be performed in accordance with national wiring standards by authorized personel only Please retain this installation manual for future reference after read it throughly ENGLISH TYPE CEILING CASSETTE AIR CONDITIONER ...

Page 2: ...h 650mm Insulated drain hose Additional Drain hose Inner Diameter 32mm Horizontal meter Screw driver Electric drill Hole core drill ø70mm Flaring Tools set Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector Owner s Manual Installation Manual Thermometer Manifold gage Vacuum pump Installation Requirements Required Parts Required Tools Remote ControlPreperation 12 Wiring Connection 13 Electr...

Page 3: ...is appliance on a dedicated circuit 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 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 fi...

Page 4: ...allation 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 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 Do not install the product where the noise or hot air from the outdo...

Page 5: ...ck This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Introduction Symbols used in this Manual Features Anti bacteria filter Air Intake Air Outlet Wireless Remote Controller Installation Manual 5 ...

Page 6: ...e Name Screw driver Electric drill Measuring tape Knife Hole core drill Spanner Torque wrench Ohmmeter Hexagonal wrench Ampmeter Gas leak detector Thermometer Horizontal meter Flaring tool set Manifold gage Vacuum pump Name 6 Ceiling Cassette Air Conditioner ...

Page 7: ...ir discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Unit cm Ceiling Ceiling Board Ceiling Board At least 180 360 or less 0 0 1 e r o m r o 50 or more 50 or more s s e l r o 0 3 Floor More than 30cm e c n e F r o s e l c a t s b o More than 70cm More than 50cm More than 30cm More than 30cm f o o r n u S More than 50cm Service space More than 30cm e c n...

Page 8: ...onal anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water 4 Installation guide at the seaside 4 1 Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opposite side of the sea wind directio...

Page 9: ...p should be installed every 10 meters 4 Extra refrigerant Extended length Rated length x Additional refrigerant Gas Liquid Standard Max Standard Max Model Name AT C308PLE0 5 8 15 88mm 3 8 9 52mm 7 5 50 5 AT C368NLE0 5 8 15 88mm 3 8 9 52mm 7 5 50 5 30 Pipe Size Length m Elevation m Additional Diameter Ø refrigerant g m 30 AT C488MLE0 15 88mm 5 8 3 8 9 52mm 7 5 50 5 30 25 25 25 AT C246PLE0 AT C186PL...

Page 10: ...king table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oily steam 2 Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories etc 3 Avoid places where i...

Page 11: ...e room temperature sensor is in the indoor unit the remote controller should be installed in such places away from direct sunlight and high humidity Installation of the remote controller Select places that are not splashed with water Select control position after receiving customer approval The room temperature sensor is built in the indoor unit This remote controller equipped with liquid crystal ...

Page 12: ... new 3 Re attach the cover Slide it back into position HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Do not use rechargeable batteries such batteries differ from standard dry cells in shape dimensions and performance Romove the batteries from the remote controller if the air conditioner is not going to be used for some long time HOW TO INSERT BATTERIES Remote Control Preparation 12 Ceiling Cass...

Page 13: ... SAA CAUTION m m 2 5 20mm L Y N G m 0 75m 20mm L Y N G Ø Open the control box cover and connect the remote control cord and Indoor power wires WiredRemote ControllerCord there is no need in case of Wireless Remote Controller Control box cover Onwhich the Electric Connection co rdWiring Connection is put Connection cord between the indoor unit and the outdoor unit Installation Manual 13 1 L 2 N Con...

Page 14: ...ATION Main power source Switch box Refrigerant pipe Circuit Breaker Use circuit breaker or time delay fuse Electrical Wiring Connecting the cable to Outdoor Unit 1 Remove the Cover control from the unit by loosening a screw Connect the wires to the terminals on the control board individually as following 2 Secure the cable onto the control board with the holder clamper 3 Refix the cover control to...

Page 15: ...e nuts attached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possi ble to put them on after flaring work 4 Flaring work Carry out flaring work using flaring tool 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 If flare is noted to be defective cut off the f...

Page 16: ...nnection execute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out using the service ports of both the liquid and gas side valves CAUTION Use two wrenches and tighten with regular torque Outdoor unit Liquid side Flare connection Flare connection Gas side Indoor unit Union Flare nut fastening torque Ø6 35mm 1 8 kg m Ø9 52mm 4 0 kg m Ø12 7mm 5 5 kg m Ø...

Page 17: ...ts completely The fixing screws are included in the indoor unit box Check the alignment of panel with the ceil ing Height can be adjusted using hanging bolts as shown in picture Insert the other two screws and tighten all screws com pletely 5 Fit the corner covers 6 Open two screws of control panel cover Screw 7 Connect one display connector and two vane control connectors of front panel to indoor...

Page 18: ... drain pump to drain water Use the following procedure to test the drain pump operation Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an 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 fle...

Page 19: ...iping and drain piping add further 10mm to 30mm thickness material Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping HEAT INSULATION 1 Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands for the right pipings If you want to connect an additional drain hose the end of the drain outlet should keep distance fro...

Page 20: ...nutes 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 the test run press any button After completing work be sure to measure and record trial run properties and store measured data etc Measuring items are room temperature outside temperature suction temperature blow out temperature wind velo...

Page 21: ... 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 loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is suffic...

Page 22: ...taller 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 This must be set by an certificated installer and any installation or change that is carried out by a non certificated person should be responsible for the results In this case free service cannot be provid...

Page 23: ...trol of the product turn off the power then turn it back on after 1 minute Auxiliary heater This function is only applied to models with Auxiliary Heater function being activated Installer Setting CodeTable No Function Function Code Setting Value Remote Controller LCD 0 Mode Override 0 0 Set to Master 1 Set to Slave 1 Ceiling Height Selection 1 1 Standard 2 Low 3 High 4 Super High 2 Group Control ...

Page 24: ...indoor unit type 3 Reset the remote controller to use the general operation mode 1 With the MODE button pressed press the RESET button 2 By using the temperature setting button set the indoor unit address Setting range 00 FF 3 After setting the address press the ON OFF button toward the indoor unit 1 time 4 The indoor unit will display the set address to complete the address setting The address di...

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