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MFL70524403

Rev.01_121720

INSTALLATION MANUAL

AHU EEV KIT
Original instruction

AIR

CONDITIONER

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 © 2019 - 2021 LG Electronics Inc. All Rights Reserved.

ENGLISH

IT

ALIANO

ESP

AÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERL

ANDS

POL

SKI

POR

TUGUÊS

MA

G

Y

AR

БЪЛГАРСKИ

SRPSKI

HR

V

A

T

SKI

SLOVENČINA

SL

O

VENŠČINA

Summary of Contents for AHU EEV KIT

Page 1: ...ion 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 2019 2021 LG Electronics Inc All Rights Reserved ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI PORTUGUÊS MAGYAR БЪЛГАРСKИ SRPSKI HRVATSKI SLOVENČINA SLOVENŠČINA ...

Page 2: ...sed to ensure that they do not play with the appliance If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 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 Installation or repair...

Page 3: ... the correctly rated breaker or fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not let the air conditioner 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 furniture Be cautious when unpacking and installing the product Sharp edges could cau...

Page 4: ...orate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury There is a risk of fire and explosion Inert gas nitrogen should be used when you check plumbing leaks cleaning or repairs of pipes etc If you are using combustible gases including oxygen product may have the risk of fires and explosions Operation Do not store or u...

Page 5: ...erwise it may cause a fire and electrical shock Do not allow water to run into electrical parts Otherwise it may cause the failure of machine or electrical shock Hold the plug by the head when taking it out It may cause electric shock and damage Be cautious that water could not enter the product Otherwise it may cause a fire electrical shock or product damage Do not step on the indoor outdoor unit...

Page 6: ...sed 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 Thickness of copper pipes used are as shown Flaring work Table Never use copper pipes thinner than that in the table even when it is available on the market Do not use copper pipes having a collapsed Otherwise...

Page 7: ...EV Kit 9 Compatibility of EEV Kits and IDUs 11 EEV Kit INSTALLATION 11 Product Installation 16 Welding 17 ELECTRICAL CONNECTION 20 EEV CONTROLLER MODULE SPECIFICATION 20 Dimension 20 Installation 21 EEV CONTROLLER INSTALLATION 21 Electric wiring work EEV Controller 22 THERMISTORS INSTALLATION 22 Pipe thermistors Installation TABLE OF CONTENTS TABLE OF CONTENTS ENGLISH ...

Page 8: ...rant flow heating Ύ Ώ ΐ Α Β Γ Installation components No Name Notes 1 AHU Local supply 2 EEV Kit Model Connectable outdoor unit capacity PRLK048A0 2 10 HP PRLK096A0 12 20 HP PRLK396A0 22 40 HP PRLK594A0 42 60 HP 3 AHU Communication Kit 4 Outdoor unit MULTI V 5 Remote controller LG wired remote controller Optional 6 Pipe in Liquid thermistor Sensor Ø 5 Length 5m Cable color Black 7 Pipe out Gas the...

Page 9: ...nsor Ø5 5 kΩ 5m Black Gas Pipe Sensor Ø7 5 kΩ 5m Red Installation Manual EA 1 1 1 1 EEV Controller PAEEVA020 EA 1 Rated Voltage V DC12 1 2 Connectable Outdoor Unit Capacity HP 2 10 12 20 22 40 42 60 Liquid Pipe Size mm 12 7 12 7 19 05 19 05 Operation Pressure MPa 0 4 5 EEV Kit AHU Communication Kit Connection by ODU system PAHCMR000 PAHCMS000 Heat pump Heat recovery PRLK048A0 O O O O PRLK096A0 O O...

Page 10: ...ION EEV Kit Model PRLK048A0 PRLK096A0 PRLK396A0 PRLK594A0 Shape W D H W D H Quantity EA 1 1 Model Name Dimension mm Note W D H PRLK048A0 PRLK096A0 217 83 404 PRLK396A0 349 5 180 345 5 PRLK594A0 409 5 180 345 5 EEV Controller included ...

Page 11: ... the cover plate of the EEV Kit 2 Drill 4 holes on correct position and fix the EEV Kit box securely with 2 screws M5 field supply at the A position and then fix the EEV Kit box with other screws M5 2 EA at the B position 190 mm 7 1 2 Hole size Ø 6 mm 1 4 Pipe size Ø 12 7 mm 1 2 B A A B 6 mm 1 4 Ø 12 mm 1 2 206 mm 8 1 9 222 mm 8 3 4 ...

Page 12: ...ng Finish the connection with tape eventually E D C 3 EA F F B A A Inlet coming from the outdoor unit B Outlet to evaporator C Pipe fixing bracket 3 EA D Pipe insulation E EEV Assembly F Field liquid pipe Inlet Outlet When brazing wrap wet cloth round this part CAUTION Make sure to cool the filters and EEV body with a wet cloth and make sure the body temperature does not exceed 120 C during brazin...

Page 13: ... Remove the cover of EEV Kit 2 Drill holes in the correct locations and use 4 screws M5 field supply to fix the EEV Kit 1 Remove the screws to separate the cover plate and base plate of the EEV Kit C A A Pipe size Ø19 05 mm 3 4 D B B Hole size Ø6 mm 1 4 Pipe size Ø19 05 mm 3 4 6 mm 1 4 Ø 12 mm 1 2 Model length C D PRLK396A0 273 mm 10 3 4 250 3 mm 9 6 7 PRLK594A0 273 mm 10 3 4 190 3 mm 7 1 2 Note P...

Page 14: ... Inlet coming from the outdoor unit B Outlet to evaporator C Pipe fixing bracket 3 EA D Pipe insulation E EEV Assembly F Field pipe Inlet Outlet CAUTION Make sure to cool the filters and EEV body with a wet cloth and make sure the body temperature does not exceed 120 C during brazing Make sure that the other parts such as electrical box tie wraps and wires protected from direct brazing flames duri...

Page 15: ...range Recommended installation range Exceeding 90º Exceeding 90º unable to install Exceeding 90º unable to install Exceeding 90º unable to install Exceeding 90º The product can be installed no more than 90 from the baseline Failure to do so could result in damage to or malfunction of the product Correct installation of product Incorrect installation of product ...

Page 16: ...s the necessary specifications 5 When welding make sure to follow 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 af...

Page 17: ... Make sure that field wiring and insulation are not squeezed when closing the cover plate of EEV Kit 6 Close the cover plate of EEV Kit A Terminal box cover B Cable gland C Terminal block D Support tie wrap E Electric wiring work filed supply 6 wires A B D E B R R D B L O R Y L W H EEV C Detail E NOTE 1 BR BROWN 2 RD RED 3 BL BLUE 4 OR ORANGE 5 YL YELLOW 6 WH WHITE B R R D B L O R Y L W H EEV Fiel...

Page 18: ...cal connection method of PRLK396A0 is the same as PRLK048A0 PRLK096A0 Correct wiring A B D E C AHU controller Detail AHU EEV controller 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 Incorrect wiring AHU controller WARNING Do not connect to the AHU Controller directly after wiring two terminal...

Page 19: ...WH YL OR BL RD NTC D D Note BR Brown RD Red BL Blue OR Orange YL Yellow WH White Field Wiring 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 B Electrical connection 1 C Electrical connection 2 AHU Controller AHU EEV Controller ...

Page 20: ...e two holes 3 Install the EEV module on the DIN rail CAUTION This model requires DC12 V external power supply Select an insulating transformer that complies with IEC61558 2 6 and NEC Class 2 Installation EEV CONTROLLER MODULE SPECIFICATION This part is included in PRLK594A0 only Dimension ENGLISH EEV CONTROLLER MODULE SPECIFICATION 20 ...

Page 21: ...TROLLER INSTALLATION Circuit diagram Please refer to the circuit diagram of PAHCMS000 model for further details Electric wiring work EEV Controller EEV CONTROLLER INSTALLATION This wiring is for PRLK594A0 model only NTC ...

Page 22: ...ossible to the heat exchanger Evaluation must be done to check if the evaporator is protected against freeze up Execute test operation and check for freeze up 1 Ø6 3 Ø8 2 2 AHU THERMISTORS INSTALLATION ENGLISH THERMISTORS INSTALLATION 22 INSTRUCTION To prevent condensation from accumulating on the bottom of the pipe sensor install the sensor by lifting it up as shown below In order to detect the t...

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