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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.
AHU EEV KIT
Original instruction
MFL70524403
Rev.01_121720
Copyright © 2019 - 2021 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Related Manuals for LG AHU EEV KIT
Summary of Contents for LG AHU 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. AHU EEV KIT Original instruction www.lg.com MFL70524403 Copyright © 2019 - 2021 LG Electronics Inc. All Rights Reserved. Rev.01_121720...
- Page 2 IMPORTANT SAFETY INSTRUCTIONS 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. • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of...
- Page 3 IMPORTANT SAFETY INSTRUCTIONS • Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death. Installation • Don’t use a power cord, a plug or a loose socket which is damaged.
- Page 4 IMPORTANT SAFETY INSTRUCTIONS • Do not keep or use flammable gases or combustibles near the equipment. - Otherwise, it may cause a fire or the failure of product. • Do not install, remove or reinstall the unit by yourself. - Otherwise, it may cause a fire, electrical shock, explosion or injury.
- Page 5 IMPORTANT SAFETY INSTRUCTIONS • Take care so that the power cord may not be pulled during operation. - Otherwise, it may cause a fire or electrical shock. • Unplug the unit if strange sounds, smell, or smoke comes from it. - Otherwise, it may cause electrical shock or a fire.
- Page 6 IMPORTANT SAFETY INSTRUCTIONS CAUTION Installation • 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.
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Page 7: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS INSTALLATION COMPOSITION TECHNICAL SPECIFICATION Specification Sheet Combination of AHU Communication Kit and ODU system with EEV Kit. Compatibility of EEV Kits and IDUs. EEV Kit INSTALLATION Product Installation Welding ELECTRICAL CONNECTION EEV CONTROLLER MODULE SPECIFICATION Dimension Installation... -
Page 8: Installation Composition
PRLK594A0 42 ~ 60 HP AHU Communication Kit Outdoor unit MULTI V Remote controller LG wired remote controller(Optional) Pipe in(Liquid) thermistor Sensor: Ø 5, Length: 5m, Cable color: Black Pipe out(Gas) thermistor Sensor: Ø 7, Length: 5m, Cable color: Red... -
Page 9: Technical Specification
TECHNICAL SPECIFICATION TECHNICAL SPECIFICATION Specification Sheet Model PRLK048A0 PRLK096A0 PRLK396A0 PRLK594A0 Width 349.5 409.5 Dimensions Depth Height 345.5 345.5 Net. Weight Color Warm Gray Casing Material Galvanized steel plate Sensor Ø5, 5 kΩ, 5m, Black Liquid Pipe Pipe Sensor Sensor Ø7, 5 kΩ, 5m, Red Gas Pipe Composition Installation Manual... - Page 10 TECHNICAL SPECIFICATION EEV Kit PRLK048A0 PRLK396A0 Model PRLK096A0 PRLK594A0 Shape Quantity(EA) Dimension (mm) Model Name Note PRLK048A0/PRLK096A0 PRLK396A0 349.5 345.5 PRLK594A0 409.5 345.5 EEV Controller included...
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Page 11: Eev Kit Installation
EEV Kit INSTALLATION EEV Kit INSTALLATION Product Installation Model: PRLK048A0/PRLK096A0 Remove the 4 screws to separate the cover plate of the EEV Kit. 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’... - Page 12 EEV Kit INSTALLATION Prepare the inlet/outlet field piping just in front of the connection. Braze the field piping. Make sure that field pipes are fully insulated. Field pipe insulation must reach up to the pipe insulation(D). Make sure that there is no gap between both ends in order to avoid condensation dripping(Finish the connection with tape eventually) A.
- Page 13 EEV Kit INSTALLATION Model: PRLK396A0 / PRLK594A0 Remove the screws to separate the cover plate and base plate of the EEV Kit. 1) Remove the 4 screws 2) Remove the base plate 3) Remove the cover of EEV from the EEV Kit’s base and rotate the cover of Kit.
- Page 14 EEV Kit INSTALLATION Prepare the inlet/outlet field piping just in front of the connection. Braze the field piping. Make sure that field pipes are fully insulated. Field pipe insulation must reach up to the pipe insulation(D). Make sure that there is no gap between both ends in order to avoid condensation dripping(Finish the connection with tape eventually) C(2EA) A.
- Page 15 EEV Kit INSTALLATION CAUTION - 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.) Base line Base line 90° (Possible installation range) 90° Recommended Recommended Recommended...
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Page 16: Welding
EEV Kit INSTALLATION Welding Check the inlet/outlet pipe before welding the EEV Kit. Air-conditioning standard refrigerant flow Outlet Inlet Outdoor AHU side unit side Weld the connector pipe (field supply) at the outdoor unit. When connecting the outdoor unit's liquid pipe and the EEV Kit’s inlet pipe, be sure to use a socket (field supply) that meets the necessary specifications. -
Page 17: Electrical Connection
ELECTRICAL CONNECTION ELECTRICAL CONNECTION Model: PRLK048A0 / PRLK096A0 Open the terminal box cover(A). Pass EEV cable(field supply, 6 wires) from the AHU Communication Kit through cable gland and connect the cable wires into the terminal block (C) following instructions as describe in step Route the cable out of the EEV Kit box according to figure below and fix with the support tie wrap(D). - Page 18 ELECTRICAL CONNECTION Model: PRLK396A0 / PRLK594A0 Open the EEV Kit terminal box cover (A). Check the marked color label and connect the cable using the driver (+). • Example) Model PRLK594A0 • PRLK396A0 model has one terminal box. Electrical connection method of PRLK396A0 is the same as PRLK048A0 / PRLK096A0.
- Page 19 ELECTRICAL CONNECTION Use the screwdriver (+) to connect the EEV wires to the terminal block (D) according to the displayed instructions. ■ B: Electrical connection #1 AHU Controller ■ C: Electrical connection #2 AHU EEV Controller Note BR : Brown RD : Red BL : Blue OR : Orange...
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Page 20: Eev Controller Module Specification
EEV CONTROLLER MODULE SPECIFICATION EEV CONTROLLER MODULE SPECIFICATION This part is included in PRLK594A0 only. Dimension Unit: mm 54(2.13) 61(2.4) <EEV controller module> Installation 1. Open the door using the 2. Install the DIN rail using 3. Install the EEV module on key. -
Page 21: Eev Controller Installation
EEV CONTROLLER INSTALLATION EEV CONTROLLER INSTALLATION This wiring is for PRLK594A0 model only. Electric wiring work (EEV Controller) Circuit diagram * Please refer to the circuit diagram of PAHCMS000 model for further details. -
Page 22: Thermistors Installation
THERMISTORS INSTALLATION THERMISTORS INSTALLATION INSTRUCTION Pipe thermistors Installation • To prevent condensation from Location of the pipe thermistors accumulating on the bottom of the pipe sensor, install the sensor by lifting it up A correct installation of the thermistors is as shown below.