Download Print this page

LG EEV Kit Installation Manual

Applied ahu
Hide thumbs

Advertisement

Quick Links

INSTALLATION MANUAL
AIR
CONDITIONER
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.
Applied(AHU)
EEV Kit
Original instruction
P/NO : MFL70524401
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
www.lghvac.com
www.lg.com

Advertisement

loading

  Summary of Contents for LG EEV Kit

  • Page 1 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. Applied(AHU) EEV Kit Original instruction www.lghvac.com www.lg.com P/NO : MFL70524401 Copyright © 2018 LG Electronics Inc. All Rights Reserved.
  • Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
  • Page 3: Important Safety Instructions

    SAFETY PRECAUTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product 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...
  • Page 4 SAFETY PRECAUTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS INSTALLATION COMPOSITION EEV KIT INSTALLATION Product installation Welding ELECTRICAL CONNECTION Cable connection LEAK TEST AND VACUUM Leak test Vacuum...
  • Page 6: Installation Composition

    INSTALLATION COMPOSITION INSTALLATION COMPOSITION This EEV KIT is a product that connects an AHU with an outdoor unit with the following composition. Liquid pipe Gas pipe Refrigerant pipe Pipe sensor Communication cable Refrigerant flow (air conditioning) Refrigerant flow (heating) installation components...
  • Page 7: Eev Kit Installation

    EEV KIT. 4) Remove the cover plate. Drill holes in the correct locations and use 4 screws (M5, not provided) to affix the EEV KIT. length Model name 273 mm 250.3 mm PRLK594A0 (10-3/4")
  • Page 8: Welding

    When connecting the outdoor unit's connector pipe and the EEV KIT pipe, be sure to use a socket (not provided) that meets the necessary specifications. As the size of the EEV KIT pipe and the outdoor unit's connector pipe could vary, check the sizes beforehand and use a socket that meets the necessary specifications.
  • Page 9 EEV KIT INSTALLATION 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.
  • Page 10 EEV KIT INSTALLATION pipe cutting Be sure to use a copper pipe cutter for the pipe cutting. Copper Incline Roughness 90° pipe cutter Pipe CAUTION • Cut the cutting area in a straight line. Remove any burrs. (When cutting, have the pipe end tilted downward so that any burrs do not get inside of the pipe.)
  • Page 11: Electrical Connection

    ■ AHU EEV controller (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.
  • Page 12 • 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. Close the cover of the EEV KIT terminal box (B).
  • Page 13: Leak Test And Vacuum

    LEAK TEST AND VACUUM LEAK TEST AND VACUUM Leak test Leak tests are carried out to standards identical with the MULTI-V leak test. Leak tests are carried out by pressurizing nitrogen gas to 3.8MPa (38.7 kgf/cm ). Refer to the following picture for test methods.
  • Page 14 LEAK TEST AND VACUUM Ⓓ Ⓔ Ⓕ High pressure pressure Ⓐ Ⓑ Ⓒ Ⓖ Ⓘ Ⓗ Ⓜ Ⓙ Ⓚ Ⓛ Ⓐ Manifold gauge Ⓘ Valve Ⓑ Low-tension handle Ⓙ Valve Ⓒ High-tension handle Ⓚ R410A cylinder Ⓓ Service valve Ⓛ Scale: using a gravimeter Ⓔ...
  • Page 15 Please call the installing contractor of your product, as warranty service will be provided by them. Service call Number # : (888) LG Canada, (888) 542-2623 CANADA Numéro pour les appels de service : LG Canada, 1-888-542-2623...