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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.
TYPE : AHU EEV Kit
Model : PRLK096A0
P/NO : MFL50024803
www.lg.com
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Related Manuals for LG PRLK096A0
Summary of Contents for LG PRLK096A0
- 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. TYPE : AHU EEV Kit Model : PRLK096A0 www.lg.com P/NO : MFL50024803...
- 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 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.
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS INSTALLATION SCENE SUPPLIES PART DESCRIPTION EEV Kit(PRLK096A0) EEV KIT INSTALLATION Mechanical Installation Electrical Work THERMISTORS INSTAL- LATION Pipe thermistors Installation TROUBLESHOOTING... -
Page 6: Installation Scene
Name Remarks Air Handling Unit Field supply Outdoor Unit Multi V AHU Comm. Kit(PRCKA0/PRDCA0) AHU EEV Kit(PRLK096A0) Field piping Field supply Wiring connections (Power supply and communication be- Comm kit wiring tween control kit and outdoor unit) Pipe thermistors (EBG61287703 /... -
Page 7: Supplies
SUPPLIES SUPPLIES PRLK096A0 Components AHU EEV Kit Installation manual P/NO AJT57850802 MFL50024803 Shape Quantity(EA) Weight(kg) Dimension(mm) Model Name POWER Gross PRLK096A0 DC 12V... -
Page 8: Part Description
PART DESCRIPTION PART DESCRIPTION EEV Kit(PRLK096A0) Part Name Quantity(EA) Panel upper Bracket Terminal box Cable gland Insulator tube EEV assembly (EEV, Strainer, Tube) Support tie wrap Panel base... -
Page 9: Eev Kit Installation
EEV KIT INSTALLATION EEV KIT INSTALLATION Mechanical Installation Remove the EEV Kit box cover by unscrewing the screw(4EA). Drill 4 holes on correct position and fix the EEV Kit box securely with 2 screws(M5, Field sup- ply) at the ‘A’ position and then fix the EEV Kit box with other screws(M5×2EA) at the ‘B’ position. - Page 10 EEV KIT INSTALLATION Mechanical 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 condensa- tion dripping(Finish the connection with tape eventually) A.
- Page 11 EEV KIT INSTALLATION Brazing Work CAUTION • Be sure to carry out a nitrogen blow when brazing. Brazing without carrying out nitrogen replacement or releasing nitrogen into the piping will create large quantities of oxidized film on the inside of the pipes, adversely affecting valves and compressors in the refrigerating system and preventing normal operation.
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Page 12: Electrical Work
EEV KIT INSTALLATION Electrical Work Open the terminal box cover(A). Pass EEV cable(Field supply, 6 wires) from the AHU Control Kit through cable gland and con- nect the cable wires into the terminal connector(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 13: Thermistors Installation
THERMISTORS INSTALLATION THERMISTORS INSTALLATION Pipe thermistors Installation Location of the pipe thermistors A correct installation of the thermistors is required to ensure a good operation : Pipe_In (EBG61287703) : Install the thermistor behind the distributor on the coldest pass the heat exchanger (contact your heat exchanger dealer). - Page 14 THERMISTORS INSTALLATION Pipe Thermistors Installation Installation of the pipe thermistor cable Put the thermistor cable in a separate protective tube. Always add a pull-relief to the thermistor cable to avoid strain on the thermistor cable and loosening of the thermistor. Strain on the thermistor cable or loosening of the thermistor may result in bad contact and incorrect temperature measurement.
- Page 15 THERMISTORS INSTALLATION Pipe Thermistors Installation INSTRUCTION • Put the thermistor wire slightly top to avoid water accumulation on down of the thermis- tor. • For sensing the evaporator’s temp. in thermistor, Put the top of the thermistors on the evaporator, this is the most sensitive point of the thermistor. Most sensitive point of the thermistor Maximize the contact 45°...
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Page 16: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING Problem Cause Remedy Wiring is wrong Check the electrical connection of the EEV Kit AHU EEV Kit Check the piping connection between the EEV Kit does not work Piping is wrong and outdoor unit...