Table of Contents
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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.your set and retain it for future reference.
Original instruction
P/NO : MFL67221412
www.lg.com
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Table of Contents
Related Manuals for LG ARUN080LTE4
Summary of Contents for LG ARUN080LTE4
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Page 1: Installation Manual
• 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.your set and retain it for future reference. Original instruction www.lg.com P/NO : MFL67221412... -
Page 2: Tips For Saving Energy
Installation TIPS FOR SAVING ENERGY • Have all electric work done by a licensed electrician according to "Elec- tric Facility Engineering Standard" and "Interior Wire Regulations" and the Here are some tips that will help you minimize the power consumption instructions given in this manual and always use a special circuit. -
Page 3: Table Of Contents
TABLE OF CONTENTS CAUTION TIPS FOR SAVING ENERGY Installation • Always check for gas (refrigerant) leakage after installation or repair of product. IMPORTANT SAFETY INSTRUCTIONS - Low refrigerant levels may cause failure of product. • Do not install the product where the noise or hot air from the outdoor unit could INSTALLATION PROCESS damage the neighborhoods. -
Page 4: Installation Process
Indicate clearly who will be responsible for switch setting. Determination of division work Unit 1 Outdoor Unit System(HP) Make connection clearly between outdoor, indoor, Combination Unit ARUN080LTE4 ARUN100LTE4 ARUN120LTE4 Preparation of contract drawings Model remote controller and option. Independent Unit... - Page 5 Model Name : ARUN***LTS4 Unit 3 Outdoor Unit System(HP) Combination Unit ARUN460LTE4 ARUN480LTE4 ARUN500LTE4 ARUN520LTE4 Unit 1 Outdoor Unit ARUN200LTE4 ARUN200LTE4 ARUN200LTE4 ARUN200LTE4 System(HP) Model Independent Unit ARUN160LTE4 ARUN180LTE4 ARUN200LTE4 ARUN200LTE4 Combination Unit ARUN080LTS4 ARUN100LTS4 ARUN120LTS4 Model ARUN100LTE4 ARUN100LTE4 ARUN100LTE4 ARUN120LTE4 Independent Unit ARUN080LTS4 ARUN100LTS4...
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Page 6: Alternative Refrigerant R410A
ALTERNATIVE REFRIGERANT R410A Unit 3 Outdoor Unit System(HP) Combination Unit ARUN460LTS4 ARUN480LTS4 ARUN500LTS4 ARUN520LTS4 The refrigerant R410A has the property of higher operating pressure in ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 ARUN200LTS4 Model comparison with R22. Independent Unit ARUN160LTS4 ARUN180LTS4 ARUN200LTS4 ARUN200LTS4 Therefore, all materials have the characteristics of higher resisting ARUN100LTS4 ARUN100LTS4 ARUN100LTS4 ARUN120LTS4 10 + 8.5 + 6.5 10 + 8.5 + 6.5... -
Page 7: Installation Space
INSTALLATION SPACE Seasonal wind and cautions in winter • Sufficient measures are required in a snow area or severe cold area in winter so that product can be operated well. Individual Installation • Get ready for seasonal wind or snow in winter even in other areas. During the installation of the unit, consider service, inlet, and outlet •... -
Page 8: Installation
Ⓐ 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 Ⓒ Put Cushion Pad between the outdoor unit and ground support for of the outdoor unit. - 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.
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Page 10: Plumbing Materials And Storage Methods
Plumbing materials and storage methods CAUTION Pipe must be able to obtain the specified thickness and should be 1 Always use the nitrogen.(not use oxygen, carbon dioxide, and used with low impurities. a Chevron gas): Please use the following nitrogen pressure Also when handling storage, pipe must be careful to prevent a frac- 0.02MPa Oxygen –... -
Page 11: Pipe Connections Between Indoor And Outdoor Unit
PIPE CONNECTIONS BETWEEN Pipe Drawing Out during Single / Series connection Method of drawing out pipes on the front side INDOOR AND OUTDOOR UNIT - Proceed with the pipe work as shown in the below figure for front side pipe drawing out. - Pipe connections can be done on the front side or on the side accord- ing to the installation environments. -
Page 12: Refrigerant Piping System
Refrigerant piping system Header Method ODU Capacity Slave3 Master ≥ Slave 1 ≥Slave 2 ≥Slave 3 Ⓐ : Outdoor Unit Slave2 Slave1 Slave3 1 Outdoor Units 10m or Ⓑ : Header branch Slave2 Master less Slave1 Ⓒ : Indoor Units Master Y branch method Ⓓ... - Page 13 (Table 2) Refrigerant pipe diameter from outdoor unit to first branch. (A) WARNING Increased Pipe Diameter Upward Pipe length after header branching (a~f) Standard Pipe Outdoor unit When equivalent pipe length is 90m When level difference is Diameter It is recommended that difference in length of the pipes con- total capacity or more from ODU to farthest IDU 50m or more...
- Page 14 Pipe Connection Method/Precautions for (Example 1) Series connections between Outdoor units - Separate Y branch joints are needed for series connections between outdoor units. - Please refer to the below connection examples to install pipe connec- Toward indoor unit Toward indoor unit tions between outdoor units.
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Page 15: Refrigerant Charging
(Example 3) WARNING • Regulation for refrigerant leakage : the amount of refrigerant leakage should satisfy the following equation for human safety. Total amount of refrigerant in the system ≤0.44 (kg / m Oil Trap Volume of the room at which Indoor Unit of the least capacity is installed If the above equation can not be satisfied, then follow the follow- Toward indoor unit... -
Page 16: Distribution Method
Distribution Method Branch pipe Fitting Horizontal Distribution Y branch Slave Ⓐ To Branch Piping or Indoor Unit Master Ⓑ To Outdoor Unit • Ensure that the branch pipes are attached horizontally or vertically Slave 3rd main pipe distribution (see the diagram below.) Master Horizontal Facing... -
Page 17: Leak Test And Vacuum Drying
• Header should be insulated with the insulator in each kit. Header [unit:mm] Models Gas pipe Liquid pipe Insulate the header using the insulation material attached to the branch pipe kit as shown in the figure. ID12.7 ID6.35 ID12.7 ID6.35 4 branch ID9.52 ID15.88... -
Page 18: Vacuum Mode
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. Do not compress air or Oxygen and do not use Flamma- ble gases. -
Page 19: Thermal Insulation Of Refrigerant Piping
Thermal insulation of refrigerant piping Penetrations Inner wall (concealed) Outer wall Outer wall (exposed) Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat-resistant poly- ethylene, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves. -
Page 20: Control Box And Connecting Position Of Wiring
CAUTION Outdoor Unit • Use the 2-core shield cables for communication cables. Never use Indoor Indoor them together with power cables. Unit Unit • The conductive shielding layer of cable should be grounded to the metal part of both units. Remote Remote •... -
Page 21: Communication And Power Cables
WARNING CAUTION The temperature sensor for outdoor air should not be exposed to If apparatus is not properly earthed then there is always a risk of direct sunlight. electric shocks, the earthing of the apparatus must be carried out by - Provide an appropriate cover to intercept direct sunlight. -
Page 22: Point For Attention Regarding Quality Of The Public Electric Power Supply
• Zsys less than or equal to Zmax and • Ssc greater than or equal to the minimum Ssc value. Standard combination of outdoor units Zmax ( ) Minimum Ssc Value (kVA) ARUN080LTE4 3921 ARUN100LTE4 6415 ARUN120LTE4 6415... - Page 23 When the power source is supplied to Each outdoor unit individually. Example) Connection of transmission wire [BUS type] [STAR type] Outdoor Power supply - Connection of communication - Abnormal operation can be (3Ø 4wires) [Master] [Slave1] [Slave2] [Slave3] (Main Switch) cable must be installed like caused by communication de- R S T N...
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Page 24: Checking The Setting Of Outdoor Units
Automatic Addressing Front Side 1 Front Side 2 The address of indoor units would be set by Automatic Addressing - Wait for 3 minutes after supplying power. (Master and Slave outdoor units, indoor units) Main power Main power terminal block terminal block - Press RED button of the outdoor units for 5 seconds. -
Page 25: Group Number Setting
Cool & Heat selector Mode Function Option Value Action Remarks Content Display1 Content Display2 Content Display3 Content Display4 Implement Display5 Mode setting method Change Save in Cool & Heat oFF op1~ Selected the set Blank Master unit PCB DIP switch on : No.5 Selector the option EEPROM... -
Page 26: Night Low Noise Function
Night Low Noise Function Mode setting - on: Operate overall defrost In cooling mode, this function makes the ODU fan operate at low RPM - off: Operate partial defrost to reduce the fan noise of ODU at night which has low cooling load. Night low noise function setting method CAUTION Master unit PCB DIP switch on : No.5... -
Page 27: Idu Capacity Adjusting
IDU capacity adjusting Comfort Operation Mode setting method Mode setting method Master unit PCB DIP switch on : No.5 Master unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’ Button : Select the mode using ‘▶’, ‘◀’ Button : “Func”... -
Page 28: Self-Diagnosis Function
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 29 Display Title Cause of Error Low Pressure of Master Outdoor Unit Low Pressure of Master Outdoor Unit Master Outdoor Unit Low Compression Ratio Lim- Master Outdoor Unit Low Compression Ratio Limited ited Master Outdoor Unit Inverter Compressor CT Sen- Master Outdoor Unit Inverter Compressor CT Sensor open or sor Fault short Master Outdoor Unit Inverter Compressor1 Dis-...
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Page 30: Caution For Refrigerant Leak
Communication Error Between Master Outdoor Failing to receive Slave Unit signal at main PCB of Master Out- Unit and Other Outdoor Unit door Unit Master Outdoor Unit Fan PCB Communication Failing to receive fan signal at main PCB of Master unit. Error Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM... -
Page 31: Installation Guide At The Seaside
INSTALLATION GUIDE AT THE - With partition and without opening which serve as passage of air to adjoining room SEASIDE Outdoor unit CAUTION • Air conditioners should not be installed in areas where Indoor unit corrosive gases, such as acid or alkaline gas, are produced. Smallest •... -
Page 32: Model Designation
Model Designation Product information • Product Name : Air conditioner • Model Name : Product Sales Name Model Factory Name ARUx***LTy4 series = N, B (Heat pump), V (Cooling only) = S (Basic function), E (Additional function related to performance) *** = Numeric;... - Page 33 [Representative] LG Electronics Inc. EU Representative Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA...