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INTRODUCTION

9

ENGLISH

Air outlet 
vents

Air intake vents

Control

access panel

Compressor
access panel

Drain hole

Other purpose hole  

Power wires hole  

Control wires hole

Rear View

Summary of Contents for AK-Q048GH50

Page 1: ...anual 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 Copyright 2014 2018 LG Electronics Inc All Rights Reserved ENGLISH ESPAÑOL PORTUGUÊS ...

Page 2: ...condition er is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ...ircuit 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 fire or electric shock Always i...

Page 4: ...able gas leaks turn off the gas and open a window for ventilation before turn the prod uct on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the circuit breaker off or disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane ...

Page 5: ...ighbors Don t use people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Do not let the air conditioner run for a long time when the humidity is very hig...

Page 6: ...Inspection 11 Location and Recommendations 12 Ductwork 13 Condensate Drain Piping 13 Installation of Remote Controller 17 Electronic Wiring 18 Field Wiring 19 Connect the cable to the Product 21 Dip Switch Setting in Indoor Main PCB 21 Group Control 22 Trial Run Mode 23 Self Diagnosis Function 25 Starting the Unit 26 Final Installation Checklist and Maintenance 28 Installation guide at the seaside...

Page 7: ...al Features 3 4 5 RT Front View Return Supply Motor access panel Air outlet vents Air intake vents Control access panel Compressor access panel Drain hole Other purpose hole Power wires hole Control wires hole Rear View INTRODUCTION ...

Page 8: ...8 INTRODUCTION ENGLISH Down Flow Features 3 4 5 RT Front View Bottom View Motor access panel Supply Return ...

Page 9: ...INTRODUCTION 9 ENGLISH Air outlet vents Air intake vents Control access panel Compressor access panel Drain hole Other purpose hole Power wires hole Control wires hole Rear View ...

Page 10: ...D G F E A B C D E H RETURN G F SUPPLY A B C D E H RETURN G F SUPPLY A B C D E F G H RETURN SUPPLY Figure 1A Unit mm Inch Unit mm Inch Figure 1B Figure 1C DIMENSIONAL DATA 3 4 5 RT Dimension 3 4 5 RT A B C D E F G Dimension 3 4 5 RT A B C D E F G H DOWN FLOW APPLICATION Figure 1C Unit mm Inch Dimension 3 4 5 RT A B C D E F G H 334 13 5 32 269 10 19 32 266 10 15 32 72 2 27 32 70 2 3 4 566 22 9 32 29...

Page 11: ... unob structed service access into the compressor compartment Suggested airflow clearances and service clearances are given in Figure 1A Placing and Rigging Rig the unit using either belt or cable slings The sling eyelet must be placed through the lifting holes in the base rail of the unit The point where the slings meet the lifting eyelet should be at least 1 8m above the unit Use spreader bars t...

Page 12: ...r noise and resist ance The first elbow in the ductwork leaving the unit should be no closer than three times blower diameter to avoid turbulence and back pressure Attaching Horizontal Ductwork to the Unit All conditioned air ductwork should be insulat ed to minimize heating and cooling duct loss es Use minimum of 50mm 2 of insulation with a vapor barrier The outside ductwork must be weather proof...

Page 13: ...oor PCB or connect directly local connection cable to terminal block in control box It should be use supplied local connection cable permitted in each national standard Figure 4 Cleanout Plug Static pressure Drain Pan 19 05mm 3 4 Male NPT Panel Enclosure 38 1mm 1 5 minimum 38 1mm 1 5 minimum CN REMO Remote controller connection Wire guide grooves 2 1 3 2 3 2 Please fix tightly using provided screw...

Page 14: ...and setup board s upper and lower right and left part When separating remote controller from setup board as the picture below after inserting into the lower separating hole using screw driver and then spinning clockwise remote controller is separated There are two separating holes Please individually separate one at a time Please be careful not to damage the inside components when separating Wall ...

Page 15: ...n cause damage in the temperature sensor Do not install the cable to be 50m 164ft or above It can cause communication error When installing the extension cable check the connecting direction of the connector of the remote controller side and the product side for correct installation If you install the extension cable in the opposite direction the connector will not be con nected Specification of e...

Page 16: ...e Do not install the remote controller where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller is equipped with a seven segment LED display For proper display of the remote controller LED s th...

Page 17: ...gulations and this installation manual If power supply circuit has a lack of ca pacity or electric work deficiency it may cause an electric shock or fire The circuit diagram is not subject to change without notice Be sure to connect wires according to the circuit diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the circuit...

Page 18: ...und Lines are required for preventing electrical shock accident during current leak age Communication disorder by noise effect and motor current leakage without connection to pipe Install the main switch that can interrupt all the power sources in an integrated manner be cause this system consists of the equipment utilizing the multiple power sources CAUTION ...

Page 19: ...er control from the unit by loosening the screw Connect the wires to the terminals on the control board individually as the following 2 Secure the cable onto the control board with the holder clamper 3 Refix the cover control to the original position with the screw 4 Use a recognized circuit breaker between the power source and the unit A disconnection device to adequately disconnect all supply li...

Page 20: ...ated voltage marked on the name plate 6 Confirm that the cable thickness is as specified in the power source specification Particularly note the relation between cable length and thickness 7 Do not install an earth leakage circuit breaker in a wet or moist area 8 The following would be caused by voltage drop Vibration of a magnetic switch which will damage the contact point fuse breaking dis turba...

Page 21: ...hem like above Ensure that the color of wire If the main PCB is not directly connected to the wired remote controller set the Dip switch 3 in the main PCB as ON position OFF Master ON Slave Please connect with same type unit Single Package If there were connected with different type Indoor unit It is can not operate some functions Indoor Unit 1 Terminal Local Supply Block Terminal Local Supply Blo...

Page 22: ... below button will exit the test run Select operation temperature up down wind flow control wind 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 b...

Page 23: ...e is expressed To operate again on the occurrence of error code be sure to turn off the power and then turn on Having or not of error code is different from Model Indoor Error Error code Description Indoor Status 01 Indoor Room thermistor error OFF 02 Indoor pipe in thermistor error OFF 03 Communication error wired remote controller indoor unit OFF 05 Communication error outdoor unit indoor unit O...

Page 24: ... OFF 40 Inverter Compressor CT Sensor Fault 4times 0 OFF 41 Inverter Compressor Discharge Temperature thermistor Fault 4times 1time OFF 43 High Pressure Sensor Fault 4times 3times OFF 44 Outdoor Air Temperature thermistor Fault 4times 4times OFF 45 Outdoor Heat Exchanger Temperature thermistor Fault 4times 5times OFF 51 Excessive capacity of indoor units 5times 1time OFF 53 Communication Error Ind...

Page 25: ...ges on the gauge ports of the suction line valves Check the suction pressures and compare them to the normal operating pressures about from 700 1000kPa With the compressor operating check the line voltage at the unit The voltage should be within the range shown on the unit name plate If low voltage is encountered check the size and length of the supply line from the main disconnect to the unit The...

Page 26: ...ertically i e along the fins stroke the coil surface with a soft bristled brush Keep all vegetation away from the condenser coil area Routine Maintenance By Owner Is the condenser fan and indoor blower operating correctly with proper rotation and without undue noise Have voltage and running currents been checked to determine if it is within limits Have the air discharge grilles been adjusted to ba...

Page 27: ...eplacement or connection tightness 4 Condensate drain For cleaning 5 Inspect the unit duct connections to ensure they are physically sound and sealed to the unit casing 6 Inspect the unit mounting support to see that it is sound 7 Inspect the unit to ensure there is no obvious deterioration To prevent injury or death due to electrical shock of contact with moving parts lock unit disconnect switch ...

Page 28: ...rong enough like concrete to prevent the sea wind from the sea The height and width should be more than 150 of the outdoor unit It should be keep more than 70 cm of space between outdoor unit and the windbreak for easy air flow CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be expos...

Page 29: ...LG Electronics México S A de C V Sor Juana lnés de la Cruz No 555 Col San Lorenzo Industrial Tlalnepantla de Baz Estado de México C P 54033 Tel 55 5321 1919 Página web http www lg com mx ...

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