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P/NO : MFL70524401

INSTALLATION MANUAL

Applied(AHU)
EEV Kit
Original instruction

AIR

CONDITIONER

www.lghvac.com

www.lg.com

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.

Copyright © 2018 LG Electronics Inc. All Rights Reserved.

ENGLISH

FRANÇAIS

ESP

AÑOL

Summary of Contents for EEV Kit

Page 1: ...nstallation 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 Copyright 2018 LG Electronics Inc All Rights Reserved ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...ality may deteriorate if the air conditioner 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 ...

Page 3: ... use a power cord a plug or a loose socket which is damaged Otherwise it may cause a fire or electrical 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 contro...

Page 4: ...e 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 outdoor unit could damage the neighborhoods It may cause a problem for your neighbors 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 con...

Page 5: ...RUCTIONS 6 INSTALLATION COMPOSITION 7 EEV KIT INSTALLATION 7 Product installation 8 Welding 11 ELECTRICAL CONNECTION 11 Cable connection 13 LEAK TEST AND VACUUM 13 Leak test 13 Vacuum TABLE OF CONTENTS TABLE OF CONTENTS ENGLISH ...

Page 6: ...duct that connects an AHU with an outdoor unit with the following composition installation components No Name Notes 1 AIR HANDLING UNIT 2 AHU EEV KIT Connectible outdoor unit capacity PRLK396A0 22 40 HP PRLK594A0 42 60 HP 3 AHU Comm KIT 4 Outdoor unit MULTI V 5 Pipe sensor_IN Sensor Ø 5 length 5m cable color Black 6 Pipe sensor_OUT Sensor Ø 7 length 5m cable color Red 7 90 elbow PRLK396A0 Ø19 05 5...

Page 7: ...te 3 Remove the four screws from the cover plate 4 Remove the cover plate 2 Drill holes in the correct locations and use 4 screws M5 not provided to affix the EEV KIT 1 Remove the screws to separate the cover plate and base plate of the EEV KIT A Pipe diameter Ø19 05 mm 5 8 B Hole size Ø6 mm 1 4 Pipe diameter Ø19 05 mm 5 8 Model name length A B PRLK594A0 273 mm 10 3 4 250 3 mm 9 6 7 PRLK396A0 273 ...

Page 8: ...llow the safety precautions at all times 6 Be sure to insulate A part after welding with insulation 15T or more CAUTION Be sure to pass nitrogen through when welding parts together Failure to do so could lead to the compressor not working properly or becoming damaged It is essential that the part be wrapped with a wet towel before and after welding Failure to do so could result in the part becomin...

Page 9: ...sults in the occurrence of oxidation inside the pipe leading to the malfunction of the compressor and blocking of the strainer WARNING While welding always be careful that no refrigerant leaks When refrigerant combusts it creates a toxic gas that is harmful to the body Do not conduct welding in an enclosed area After welding a pipe be sure to test for any leakage Welding area Taping Pressure regul...

Page 10: ...ard so that any burrs do not get inside of the pipe Copper pipe cutter 90 Incline Roughness Pipe Copper pipe cutter 90 Incline Roughness Pipe CAUTION Cut the cutting area in a straight line CAUTION The presence of burrs can result in refrigerant leakage so be sure to remove any burrs with a reamer Cutting dust could lead to malfunctioning if it gets inside the pipe ...

Page 11: ...r sold separately WARNING Please connect one controller with one terminal block of EEV KIT Failure to do so may result in component damage or fire Refer to correct wiring To connect with EEV KIT PRLK594A0 the AHU EEV controller must be purchased separately Incorrect wiring AHU controller WARNING Do not connect to the AHU controller after wiring the terminal blocks inside the EEV KIT Failure to do ...

Page 12: ...ayed instructions E Field Wiring Part Note BR Brown RD Red BL Blue OR Orange YL Yellow WH White WARNING Before installation check the color on the label and connect it to the terminal block It may result in malfunction Use a ring type terminal P4 to connect to the terminal block 4 Close the cover of the EEV KIT terminal box B ...

Page 13: ...th the MULTI V vacuum test As shown in the picture below with the outdoor unit s service valve closed use the vacuum pump to perform vacuuming of the AHU and connector pipe from the stop valve s service port Vacuuming must always be conducted from the service port of liquid and gas pipes After maintaining a vacuum level of 5 Torr for one hour there should be no change in the vacuum level for anoth...

Page 14: ... amount of refrigerant Adding an imprecise amount of refrigerant could cause problems for the product If the amount of added refrigerant goes beyond of 10 burning of the compressor and poor performance of the indoor unit could occur WARNING Pipes that must be vacuumed gas pipe liquid pipe When installing or moving the product to another location do not fill with any refrigerants besides the regula...

Page 15: ...ase call the installing contractor of your product as warranty service will be provided by them CANADA Service call Number 888 LG Canada 888 542 2623 Numéro pour les appels de service LG Canada 1 888 542 2623 ...

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