LG MULTI V 5 ARUN120BTE5 Installation Manual
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LG MULTI V 5 ARUN120BTE5 Installation Manual

LG MULTI V 5 ARUN120BTE5 Installation Manual

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1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 1
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.
Heat Pump
Original instruction
MFL67221438
Rev.00_092118
Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com

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Summary of Contents for LG MULTI V 5 ARUN120BTE5

  • 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. Heat Pump Original instruction www.lg.com MFL67221438 Rev.00_092118 Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.

  • Page 2: Important Safety Instructions

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 2 Installation TIPS FOR SAVING ENERGY • Have all electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regula- Here are some tips that will help you minimize the power consumption tions"...
  • Page 3 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 3 touch the electrostatic filter, if the unit is so equipped.) • Do not touch any of the refrigerant piping during and after opera- - There is risk of physical injury, electric shock, or product failure. tion.

  • Page 4: Table Of Contents

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 4 TABLE OF CONTENTS Auto Dust Removal Mode Compressor Max. Frequency Limit TIPS FOR SAVING ENERGY ODU Fan Max. RPM Limit SLC (Smart Load Control) IMPORTANT SAFETY INSTRUCTIONS Humidity Reference Central Control Connection at Indoor Unit side INSTALLATION PROCESS Compressor Input Current Limit OUTDOOR UNITS INFORMATION...

  • Page 5: Installation Process

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 5 INSTALLATION PROCESS OUTDOOR UNITS INFORMATION CAUTION Indicate clearly who will be responsible for switch setting. Determination of division work Make connection clearly between outdoor, indoor, Combination Ratio(50~200%) Preparation of contract drawings remote controller and option. Outdoor Number Connection Ratio Single outdoor units...

  • Page 6: Select The Best Location

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 6 SELECT THE BEST LOCATION INSTALLATION SPACE Select space for installing outdoor unit, which will meet the following Individual Installation conditions: • No direct thermal radiation from other heat sources During the installation of the unit, consider service, inlet, and outlet acquire the minimum space as shown in the figures below.

  • Page 7: Lifting Method

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 7 LIFTING METHOD Seasonal wind and cautions in winter • Sufficient measures are required in a snow areas or severe cold areas in winter so that product can be operated well. • When carrying the suspended, unit pass the ropes under the unit and •...

  • Page 8: Installation

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 8 Ⓐ The corner part must be fixed firmly. Otherwise, the support for the INSTALLATION installation may be bent. Ⓑ Get and use M10 Anchor bolt. • Install at places where it can endure the weight and vibration/noise Ⓒ...
  • Page 9 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 9 Burrs removal Opening shutoff valve - Completely remove all burrs from the cut cross section of pipe/tube. - Put the end of the copper tube/pipe to downward direction as you re- Remove the cap and turn the valve counter clockwise with the move burrs in order to avoid to let burrs drop in the tubing.

  • Page 10: Plumbing Materials And Storage Methods

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 10 Plumbing materials and storage methods Nitrogen substitution method Welding, as when heating without nitrogen substitution a large Pipe must be able to obtain the specified thickness and should be amount of the oxide film is formed on the internal piping. used with low impurities.

  • Page 11: Refrigerant Piping Installation

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 11 REFRIGERANT PIPING INSTAL- 2, 3, 4 Outdoor Units LATION Outdoor units Model Liquid Pipe Gas Pipe O.D.15.88 I.D. 19.05 I.D.22.2 O.D. 28.58 I.D.34.9 I.D.15.88 I.D.15.88 I.D.28.58 I.D.28.58 I.D.12.7 I.D.19.05 I.D.9.52 ARCNN21 I.D.22.2 2 Unit I.D.31.8 I.D.34.9...

  • Page 12: Pipe Connections Between Indoor And Outdoor Unit

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 12 PIPE CONNECTIONS BETWEEN If the diameters of the branch piping of the designated refrigerant piping differs, use a pipe cutter to cut the connecting section and INDOOR AND OUTDOOR UNIT then use an adapter for connecting different diameters to connect the piping.

  • Page 13: Pipe Drawing Out During Single / Series Connection

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 13 Refrigerant piping system Remove leakage prevention cap • Remove the leakage prevention cap attached to the outdoor unit 1 Outdoor Units service valve before pipe work. • Proceed the leakage prevention cap removal as follows: - Verify whether all the pipes are locked.

  • Page 14: Pipe Connection Method Between Outdoor Unit/Indoor Unit

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 14 WARNING Header Method ODU Capacity Slave3 Slave2 Master ≥ Slave 1 ≥Slave 2 ≥Slave 3 Ⓐ : Outdoor Unit Slave1 Increased Pipe Diameter(table 2) Master 10m or Ⓑ : Header branch less - When pipe length is 90m [295 ft] or more from ODU to 1st Ⓒ...
  • Page 15 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 15 WARNING Pipes between outdoor units are 2 m [6.6 ft] or longer • In case of pipe diameter B connected after first branch is bigger Oil Trap than the main pipe diameter A, B should be of the same size 0.2 m [0.66 ft] 2 m [6.6 ft] or less with A.

  • Page 16: Branch Pipe Fitting

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 16 Branch pipe Fitting (Example 2) Y branch Ⓐ To Outdoor Unit Oil Trap Ⓑ To Branch Piping or Indoor Unit ≤ 2 m [6.6 ft] Toward indoor unit ≥ 2 m [6.6 ft] •...
  • Page 17 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 17 • Header should be insulated with the insulator in each kit. Header [Unit:mm(inch)] Models Gas pipe Liquid pipe Insulate the header using the insulation material attached to the 360(14-5/32) branch pipe kit ID9.52(3/8) 120(4-23/32) ID12.7...

  • Page 18: Distribution Method

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 18 Distribution Method Vacuum Mode Horizontal Distribution This function is used for creating vacuum in the system after compres- sor replacement, ODU parts replacement or IDU addition/replacement. Slave Master Vacuum mode setting method DIP-SW01 3rd main pipe distribution Slave...

  • Page 19: Refrigerant Charging

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 19 WARNING WARNING Use a vacuum pump or Inert(nitrogen) gas when doing leakage test Use a vacuum pump or Inert(nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and do not use Flamma- or air purge.

  • Page 20: Thermal Insulation Of Refrigerant Piping

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 20 Thermal insulation of refrigerant piping The amount of Refrigerant The calculation of the additional charge should take into account the Be sure to give insulation work to refrigerant piping by covering liquid length of pipe and CF(correction Factor) value of indoor unit.

  • Page 21: Electrical Wiring

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 21 Penetrations ELECTRICAL WIRING Inner wall (concealed) Outer wall Outer wall (exposed) Caution - Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and guid- ance of each electric power company. WARNING Floor (fireproofing) Penetrating portion on fire...
  • Page 22 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 22 Master Slave Master Slave1 Slave2 Indoor Indoor Indoor Indoor Unit Unit Unit Unit Remote Remote Remote Remote control control control control Master Slave1 Slave2 Master Slave Indoor Indoor Indoor Indoor Unit Unit Unit Unit Remote...

  • Page 23: Control Box And Connecting Position Of Wiring

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 23 Control box and connecting position of wiring Communication and Power Cables - Remove all of the screws at front panel and remove the panel by Communication cable pulling it forward. - Types : shielded wires or unshielded wires - Connect communication cable between main and sub outdoor unit - Cross section : 1.0 ~ 1.5 mm (1.55 ×...

  • Page 24: Wiring Of Main Power Supply And Equipment Capacity

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 24 Wiring of main power supply and equipment Field Wiring capacity Single outdoor unit - Use a separate power supply for the Outdoor Unit and Indoor Unit. Voltage range(V) Outdoor Frequency - Bear in mind ambient conditions (ambient temperature,direct sun- Power supply Outdoor Indoor...
  • Page 25 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 25 WARNING Example) Connection of communication cable [BUS type] [STAR type] When the total capacity is over than 68HP, Do not use single power source for connecting series units. - Connection of communication - Abnormal operation can be The First terminal block could be burnt out.

  • Page 26: Checking The Setting Of Outdoor Units

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 26 Checking the setting of outdoor units Example) Connection of power and communication cable (UXB) Bottom Side Checking according to dip switch setting - You can check the setting values of the Master outdoor unit from the 7 segment LED.

  • Page 27: Automatic Addressing

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 27 The Procedure of Automatic Addressing Master/Slave dip switch setting • Master Unit • Slave Unit Dip switch Dip switch Power On ODU Setting ODU Setting setting setting Waiting 3 minutes Factory Setting Slave 1 Press RED Button for 5 sec.

  • Page 28: Cool & Heat Selector

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 28 CAUTION Optional Mode Selection Function Selection Option Selection Remarks Display Optional Content Display (◎) Content Default • To perform the otional funtion should be sure that All the IDU is off (◀, ▶ ’ ◎) (◀, ▶...

  • Page 29: High Static Pressure Compensation Mode

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 29 High Static Pressure Compensation mode Time Settings Step Judgment Time(Hr) Operation Time(Hr) This function secures the air flow rate of ODU, in case static pressure has been applied like using duct at fan discharge of ODU. 10.5 Static pressure compensation mode setting method Master unit PCB DIP switch on : No.5...

  • Page 30: Snow Removal & Rapid Defrost

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 30 Target pressure adjusting CAUTION Mode setting method • Ask an authorized technician to setting a function. Master unit PCB DIP switch on : No.5 • If use a function, first install a Central controller. Select the mode using ‘▶’, ‘◀’...

  • Page 31: High Efficiency Mode (Cooling Operation)

    1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 31 High Efficiency Mode (Cooling Operation) Compressor Max. Frequency Limit Target low pressure will change according to ODU temperature during Mode setting method the cooling operation. Master unit PCB DIP switch on : No.5 Mode setting method Master unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’...
  • Page 32 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 32 MAX. RPM Limit Setting Mode setting - on:using humidity sensor Chassis - oFF:not setting 1000 <Using of humidity sensor> -100 - When used cooling operation of SLC function,it will improve energy Fan MAX. RPM -150 effcience because evaporation temperature wll be decreased Limit (RPM)
  • Page 33 1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 33 Base pan Heater operation CAUTION • Ask an authorized technician to setting a function. Master unit PCB DIP switch on : No.5 • If do not use a function, set an off-mode. •...
  • Page 34 1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 34 Self-Diagnosis Function Error Indicator - This function indicates types of failure in self-diagnosis and occurrence of failure for air condition. - Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of outdoor unit control board as shown in the table.
  • Page 35 1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 35 Display Title Cause of Error The first start failure by Outdoor Unit Inverter Compressor abnor- Outdoor Unit Inverter Compressor Start Failure mality or Compressor locked Outdoor Unit Inverter Compressor Over Current Outdoor Unit Inverter Compressor Fault OR Drive Fault Outdoor Unit Inverter Compressor1 High Dis- Outdoor Unit Inverter Compressor1 High Discharge Temperature charge Temperature...
  • Page 36 1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 36 Display Title Cause of Error Outdoor Unit Fan DC Link Low Voltage Error Outdoor Unit Fan DC Link Input Voltage is under 380V Outdoor Unit Liquid pipe Temperature Sensor Error Liquid pipe temperature sensor of Outdoor Unit is open or short Outdoor Unit Subcooling Inlet Temperature Sen- Outdoor Unit Subcooling Inlet Temperature Sensor Error sor Error...
  • Page 37 1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 37 CAUTION FOR REFRIGERANT LEAK Calculate refrigerant concentration Total amount of refrigerant The installer and system specialist shall secure safety against leakage system [kg(lbs)] according to local regulations or standards. = Maximum concentration limit The following standards may be applicable if local regulations are not Volume of smallest room [kg/m...
  • Page 38 1,MFL67221438,영영 2018. 10. 4. 영영 11:30 Page 38 INSTALLATION GUIDE AT THE Model Designation SEASIDE Product information • Product Name : Air conditioner CAUTION • Model Name : • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. Product Sales Name Model Factory Name •...
  • Page 39 Após o uso, estes itens devem ser descartados de forma adequada, sob pena de ocasionarem danos ao meio ambiente e à saúde humana. 2. A LG criou o Programa Coleta Inteligente, para facilitar e viabilizar o descarte ade- quado de parelhos celulares, pilhas e baterias.

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