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LG MULTI V S ARUV040GSR0 Installation Manual
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LG MULTI V S ARUV040GSR0 Installation Manual

LG MULTI V S ARUV040GSR0 Installation Manual

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1,MFL67798026,영영 19. 3. 14. 영영 4:48 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.
MFL67798026
Rev.00_061418
Copyright © 2015 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com

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Summary of Contents for LG MULTI V S ARUV040GSR0

  • 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. www.lg.com MFL67798026 Rev.00_061418 Copyright © 2015 - 2018 LG Electronics Inc. All Rights Reserved.
  • Page 2 1,MFL67798026,영영 19. 3. 14. 영영 4:48 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

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 3 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 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 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 4 IMPORTANT SAFETY INSTRUCTIONS • When installing and moving the air conditioner to another site, do not charge it with a different refrigerant from the refrigerant specified on the unit. - If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may mal- function and the unit may be damaged.
  • Page 5 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 5 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. • Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. - It may cause a problem for your neighbors.
  • Page 6 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 6 IMPORTANT SAFETY INSTRUCTIONS • Safely dispose of the packing materials. - Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries. - Tear apart and throw away plastic packaging bags so that children may not play with them. If children play with a plastic bag which was not torn apart, they face the risk of suffocation.

  • Page 7: Table Of Contents

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 7 TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- PIPE CONNECTIONS BE- ERGY TWEEN INDOOR AND OUTDOOR UNIT IMPORTANT SAFETY IN- Preparation Work STRUCTIONS Pipe Drawing Out INSTALLATION Selection of Refrigerant Piping Refrigerant piping system PROCESS Refrigerant charging...

  • Page 8: Installation Process

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 8 INSTALLATION PROCESS INSTALLATION PROCESS Indicate clearly who will be responsible for switch setting. Determination of division work Preparation of contract drawings Make connection clearly between outdoor, indoor, remote controller and option. Take account of gradient The foundation must be level even Sleeve and insert work Outdoor unit foundation work...

  • Page 9: Outdoor Units In- Formation

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 9 OUTDOOR UNITS INFORMATION OUTDOOR UNITS INFORMATION CAUTION • Ratio of the connectable Indoor Units to the Outdoor: Within 50 ~ 160% • Ratio of running Indoor Units to the Outdoor: Within 10 ~ 100% •...

  • Page 10: Environment- Friendly Alternative Refrigerant R410A

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 10 ENVIRONMENT-FRIENDLY ALTERNATIVE REFRIGERANT R410A ENVIRONMENT-FRIENDLY ALTERNATIVE RE- FRIGERANT R410A The refrigerant R410A has the property of higher operating pressure in comparison with R22. Therefore, all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also considered during the installation.

  • Page 11: Select The Best Location

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 11 SELECT THE BEST LOCATION SELECT THE BEST LOCATION Select space for installing outdoor unit, which will meet the following conditions: • No direct thermal radiation from other heat sources • No possibility of annoying neighbors by noise from unit •...

  • Page 12: Installation Space

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 12 INSTALLATION SPACE INSTALLATION SPACE • The following values are the least space for installation. If any service area is needed for service according to field circumstance, obtain enough service space. • The unit of values is mm. In case of obstacles on the suction side 1.
  • Page 13 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 13 INSTALLATION SPACE In case of obstacles on the discharge side 1. Stand alone installation [Unit:mm] 2. Collective installation...
  • Page 14 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 14 INSTALLATION SPACE In case of obstacles on the suction and the discharge side Obstacle height of discharge side is higher than the unit 1. Stand alone installation [Unit:mm] L > H L > H 2.
  • Page 15 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 15 INSTALLATION SPACE Obstacle height of discharge side is lower than the unit 1. Stand alone installation [Unit:mm] L ≤ H L ≤ H 2. Collective installation L ≤ H L ≤ H...

  • Page 16: Collective / Continuous Installation For Roof Top Use

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 16 INSTALLATION SPACE Collective / Continuous Installation for roof top use Space required for collective installation and continuous installation: When installing several units, leave space between each block as shown below considering passage for air and people. 1.

  • Page 17: Air Guide Work

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 17 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. • Get ready for seasonal wind or snow in winter even in other areas. •...

  • Page 18: Lifting Method

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 18 LIFTING METHOD LIFTING METHOD • When carrying the suspended, unit pass the ropes between legs of base panel under the unit. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. •...

  • Page 19: Installation

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 19 INSTALLATION INSTALLATION • Install at places where it can endure the weight and vibration/noise of the outdoor unit. • The outdoor unit supports at the bottom shall have width of at least 100mm under the Unit’s legs before being fixed.

  • Page 20: Foundation For Installation

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 20 INSTALLATION Foundation for Installation • Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust. • Use the H-beam support as a base support •...

  • Page 21: Preparation Of Piping

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 21 INSTALLATION Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable - Use the accessory piping kit or the pipes pur- Copper Slanted Uneven Rough tube...
  • Page 22 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 22 INSTALLATION Flare shape and flare nut tightening torque Precautions when connecting pipes - See the following table for flare part machining dimensions. - When connecting the flare nuts, apply refrigerant oil to the inside and outside of the flares and turn them three or four times at first.
  • Page 23 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 23 INSTALLATION Closing shutoff valve Remove the cap and turn the valve clockwise with the hexagon wrench. Securely tighten the valve until the shaft contacts the main body seal. Make sure to tighten the cap securely. - For the tightening torque, refer to the table on the below.

  • Page 24: Plumbing Materials And Storage Methods

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 24 INSTALLATION Plumbing materials and storage methods Pipe must be able to obtain the specified thickness and should be used with low impurities. Also when handling storage, pipe must be careful to prevent a fracture, deformity and wound. Should not be mixed with contaminations such as dust, moisture.
  • Page 25 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 25 INSTALLATION Nitrogen substitution method Welding, as when heating without nitrogen substitution a large amount of the oxide film is formed on the internal piping. The oxide film is a caused by clogging EEV, Capillary, oil hole of accumulator and suction hole of oil pump in compressor.

  • Page 26: Refrigerant Piping Installation

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 26 REFRIGERANT PIPING INSTALLATION REFRIGERANT PIPING INSTALLATION Precautions on Pipe connection / Valve operation Pipe connection is done by connecting from the end of the pipe to the branching pipes, and the refrigerant pipe coming out of the outdoor unit is divided at the end to connect to each indoor unit.

  • Page 27: Pipe Connections Between Indoor And Outdoor Unit

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 27 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT - Pipe connections can be done on the front side or on the side according to the installation - Be sure to let 0.2kgf/cm Nitrogen flow in the pipe when welding.
  • Page 28 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 28 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Removal Area for Liquid/Gas pipe bottom side connections. ※Pictures may differ depending on the model. CAUTION • Do not give damage to the pipe/base during the Knock Out work. •...

  • Page 29: Pipe Drawing Out

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 29 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Pipe Drawing Out Method of drawing out pipes on the front side and right side - Proceed with the pipe work as shown in the below figure for front side and right side pipe draw- ing out.

  • Page 30: Selection Of Refrigerant Piping

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 30 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Selection of Refrigerant Piping Outdoor unit Gas pipe Liquid pipe Branching pipe Main pipe Indoor unit Branching pipe Piping parts Name Selection of pipe size Size of main pipe Outdoor unit Liquid pipe...

  • Page 31: Refrigerant Piping System

    1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 31 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Refrigerant piping system Y branch method Example : 5 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch (Y branch) Ⓒ : Indoor Units L150m l 40m Outdoor unit capacity (HP)
  • Page 32 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 32 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Refrigerant pipe diameter from outdoor unit to first branch. (A) Outdoor unit Liquid pipe [mm(inch)] Gas pipe [mm(inch)] total capacity (HP) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8)
  • Page 33 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 33 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Header Method Example : 6 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch Ⓒ : Indoor Units Ⓓ : Sealed piping L 150m Outdoor unit capacity (HP) Total pipe length (m) A+B+C+a+b+c+d+e...
  • Page 34 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 34 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Combination of Y branch/header method Example : 5 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch (Y branch) Ⓒ : Y branch Ⓓ...
  • Page 35 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 35 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Refrigerant pipe diameter from outdoor unit to first branch. (A) Outdoor unit Liquid pipe [mm(inch)] Gas pipe [mm(inch)] total capacity (HP) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8) Ø15.88(5/8) Ø9.52(3/8)
  • Page 36 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 36 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Outdoor unit Connection WARNING • In case of pipe diameter B connected after first branch is bigger than the main pipe diame- ter A, B should be of the same size with A. Indoor Unit Connection Indoor Unit connecting pipe from branch (a,b,c,d,e,f) Indoor Unit capacity...
  • Page 37 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 37 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT The amount of Refrigerant The calculation of the additional charge should take into account the length of pipe and CF(correc- tion Factor) value of indoor unit. Additional charge(kg) Total liquid pipe : Ø9.52 mm x 0.061(kg/m)

  • Page 38: Refrigerant Charging

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 38 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT 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 ≤...

  • Page 39: Distribution Method

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 39 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Distribution Method Horizontal Distribution 3rd main pipe distribution Main pipe Distribution Main pipe Distribution Vertical Distribution - Ensure that the branch pipes are attached vertically. The others Header...

  • Page 40: Branch Pipe Fitting

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 40 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Branch pipe Fitting Y branch Ⓐ To Branch Piping or Indoor Unit Ⓑ To Outdoor Unit • Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.) Horizontal Facing Facing...
  • Page 41 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 41 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT • When the number of indoor units to be connected to the branch pipes is less than the number of branch pipes available for connection then cap pipes should be fitted to the surplus branches. Pinched pipe •...
  • Page 42 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 42 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Y branch pipe [unit:mm] Models Gas pipe Liquid pipe I.D12.7 I.D12.7 I.D6.35 I.D.6.35 I.D9.52 I.D15.88 I.D15.88 I.D9.52 I.D6.35 I.D15.88 ARBLN01621 I.D12.7 I.D9.52 O.D9.52 O.D15.88 I.D19.05 I.D12.7 I.D22.2 I.D19.05...
  • Page 43 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 43 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Header [unit:mm] Models Gas pipe Liquid pipe ID12.7 ID6.35 ID6.35 4 branch ID12.7 ID9.52 ID15.88 ID9.52 ARBL054 ID15.88 ID12.7 ID9.52 ID15.88 ID19.05 ID12.7 ID6.35 7 branch ID12.7 ID9.52 ID15.88...

  • Page 44: Leak Test And Vacuum Drying

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 44 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Leak Test and Vacuum drying Leak test Leak test should be made by pressurizing nitrogen gas to 3.8 MPa(38.7kgf/cm ). If the pressure does not drop for 24 hours, the system passes the test. If the pressure drops, check where the nitrogen leaks.
  • Page 45 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 45 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Vacuum Vacuum drying should be made from the service port provided on the outdoor unit’s service valve to the vacuum pump commonly used for liquid pipe, gas pipe and high/low pressure common pipe. (Make Vacuum from liquid pipe, gas pipe and high/low pressure common pipe with the service valve closed.) * Never perform air purging using refrigerant.

  • Page 46: Heat Insulation Of Refrigerant Piping

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 46 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Heat insulation of refrigerant piping Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe sepa- rately with enough thickness heat-resistant polyethylene, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves.

  • Page 47: Electrical Wiring

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 47 ELECTRICAL WIRING ELECTRICAL WIRING Caution - Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and guidance of each electric power company. WARNING Be sure to have authorized electrical engineers do the electric work using special circuits in accordance with regulations and this installation manual.
  • Page 48 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 48 ELECTRICAL WIRING CAUTION • Use the 2-core shield cables for communication cables. Never use them together with power cables. • The conductive shielding layer of cable should be grounded to the metal part of both units. •...

  • Page 49: Control Box And Connecting Position Of Wiring

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 49 ELECTRICAL WIRING Control box and connecting position of wiring - Remove all of the screws at side panel and remove the panel by pulling it forward. - Connect communication cables between outdoor unit and indoor units through the terminal block.

  • Page 50: Communication And Power Cables

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 50 ELECTRICAL WIRING Communication and Power Cables Communication cable - Types : shielding cable - Cross section : 1.0~1.5mm - Maximum allowable temperature: 60°C - Maximum allowable cable length: under 300m Remote control cable - Types : 3-core cable Central control cable Product type...

  • Page 51: Wiring Of Main Power Supply And Equipment Capacity

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 51 ELECTRICAL WIRING Wiring of main power supply and equipment capacity - Bear in mind ambient conditions (ambient temperature,direct sunlight, rain water,etc.) when proceeding with the wiring and connections. - The cable size is the minimum value for metal conduit wiring. The power cable size should be 1 rank thicker taking into account the line voltage drops.

  • Page 52: Field Wiring

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 52 ELECTRICAL WIRING Field Wiring Voltage range(V) Frequency Outdoor Indoor Power supply Swich 60Hz 220V 220V Power supply (1-phase 2-wire) 50Hz 220~240V 220~240V (Main Switch) Power cable (2-wire Cable) Communication cable(3-wire Cable) Communication cable (2-wire Cable) Pull Box 1.5mm 1.5mm...
  • Page 53 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 53 ELECTRICAL WIRING Example) Connection of transmission wire [BUS type] [STAR type] - Connection of communication cable must be - Abnormal operation can be caused by com- installed like below figure between indoor munication defect, when connection of unit to outdoor unit.
  • Page 54 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 54 ELECTRICAL WIRING Example) Connection of power and communication cable 6 HP Main power Insulation sleeves Terminal block attachment Ground wire Fix firmly not to be dispaced Power/ground Cable ODU-IDU Communication cable Hold power cable ODU-IDU Power cable Power/ground...

  • Page 55: Checking The Setting Of Outdoor Units

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 55 ELECTRICAL WIRING Checking the setting of outdoor units Checking according to dip switch setting - You can check the setting values of the Master outdoor unit from the 7 segment LED. The dip switch setting should be changed when the power is OFF. Checking the initial display The number is sequentially appeared at the 7 segment in 5 seconds after applying the power.

  • Page 56: Automatic Addressing

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 56 ELECTRICAL WIRING Automatic Addressing The address of indoor units would be set by Automatic Addressing - Wait for 3 minutes after supplying power. (IDU and ODU should be off) - Press RED button of the outdoor units for 5 seconds. (5/6HP : SW01, 2.5/3/4HP : SW02) - A “88”...
  • Page 57 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 57 ELECTRICAL WIRING The Procedure of Automatic Addressing Power On Waiting 3 minutes Press RED Button for 5 s (SW01C) Automatic addressing start 7-segment LED = 88 Don’t press RED Button (SW01C) • Automatic addressing setting end Numbers of indoor unit connection set whose addressing is completed are indicated for 30seconds Waiting about 2~7 minutes...
  • Page 58 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 58 ELECTRICAL WIRING Configuration of DIP Switch Normal Operation ● Saving power consumption 1 ● Saving power consumption 2 ● ● Night low noise 1 ● ● Night low noise 2 ● Forced cooling mode ●...

  • Page 59: Saving Power Consumption

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 59 ELECTRICAL WIRING Saving power consumption Saving Power Consumption operation is the function which enables efficient operation by lower- ing the maximum power consumption value. Mode setting method Main power OFF PCB DIP swich ON (Step 1 : No.

  • Page 60: Forced Cooling Operation

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 60 ELECTRICAL WIRING Forced Cooling Operation This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement or IDU addition/replacement. Mode setting method Main power OFF Connect the manifold valve and Refrigerant to this service port with charge hoses PCB DIP swich No.

  • Page 61: Vaccum Mode

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 61 ELECTRICAL WIRING Vaccum mode Adding the refrigerant in winter. Mode setting method Main power OFF Connect the manifold valve and Vaccum pump to this service port with charge hoses PCB DIP swich No. 6 ON Main power ON Vacuum drying Main power OFF...

  • Page 62: Target Pressure Adjusting

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 62 ELECTRICAL WIRING Target pressure adjusting Mode setting method Main power OFF PCB DIP swich No. 5, No. 6 ON Main power ON Display low pressure on 7-segment Change low preesure (UE, U4 : TACT-SW01 U5 : TACT-SW02) Select low preesure (UE, U4 : TACT-SW02...

  • Page 63: Self-Diagnosis Function

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 63 ELECTRICAL WIRING Self-Diagnosis Function Error Indicator - This function indicates types of failure in self-diagnosis and occurrence of failure for air condi- tion. - 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 64 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 64 ELECTRICAL WIRING Display Title Cause of Error Outdoor Unit Inverter Compressor Start The First Start Failure by Outdoor Unit Inverter Com- Failure pressor Abnormality 2 7 PSC/PFC Fault Error Instant Over Current at Outdoor Unit Outdoor Unit Inverter Compressor Over Outdoor Unit Inverter Compressor Fault OR Drive Current...
  • Page 65 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 65 ELECTRICAL WIRING Display Title Cause of Error Inverter PCB EEPROM Error of Outdoor Access Error of Inverter PCB of Outdoor Unit Unit High temperature in outdoor High temperature in outdoor Cond. Pipe Cond.

  • Page 66: Caution For Refrigerant Leak

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 66 CAUTION FOR REFRIGERANT LEAK CAUTION FOR REFRIGERANT LEAK The installer and system specialist shall secure safety against leakage according to local regula- tions or standards. The following standards may be applicable if local regulations are not available. Introduction Though the R410A refrigerant is harmless and incombustible itself , the room to equip the air conditioner should be large to such an extent that the refrigerant gas will not exceed the limiting...
  • Page 67 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 67 CAUTION FOR REFRIGERANT LEAK - With partition and without opening which serve as passage of air to adjoining room Outdoor unit Indoor unit Smallest room Calculate refrigerant concentration Total amount of replenished refrigerant in refrigerant facility (kg) In case the result of calculation exceeds = Refrigerant concentration...

  • Page 68: Installation Guide At The Seaside

    1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 68 INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE Sea wind Sea wind Windbreak Sea wind 3) Ensure the distance between the outdoor unit and the sea shore is more than 300 m and less than 1 km. Pasts of Corrosion Resistance Pasts of Corrosion Resistance Ocean Black Fin' Heat Exchanger...
  • Page 69 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 69 INSTALLATION GUIDE AT THE SEASIDE Outdoor series 1Φ 220V 60Hz Remark ARUV040GSR0 1 Unit ARUV050GSR0 ARUV060GSR0...
  • Page 70 1,MFL67798026,영영 19. 3. 14. 영영 4:49 Page 70...
  • Page 71 1,MFL67798026,영영 19. 3. 14. 영영 4:48 Page 100...

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