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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.
P/NO : MFL68065501
www.lg.com
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Table of Contents
Related Manuals for LG MULTI V IV ARUB080BTE4
Summary of Contents for LG MULTI V IV ARUB080BTE4
- 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.your set and retain it for future reference. www.lg.com P/NO : MFL68065501...
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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
CAUTION TABLE OF CONTENTS 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
INSTALLATION PROCESS Power Supply : 220-240 V3~ 50Hz / 220 V3~ 60Hz Model Name : ARUB***BTE4 Indicate clearly who will be responsible for switch setting. Determination of division work Unit 1 Outdoor Unit Make connection clearly between outdoor, indoor, Preparation of contract drawings Combination Unit ARUB080BTE4 ARUB100BTE4... - Page 5 Unit 2 Outdoor Unit Unit 3 Outdoor Unit Combination Unit ARUB320BTE4 ARUB340BTE4 ARUB360BTE4 Combination Unit ARUB560BTE4 ARUB580BTE4 ARUB600BTE4 ARUB200BTE4 ARUB200BTE4 ARUB200BTE4 ARUB200BTE4 ARUB200BTE4 ARUB200BTE4 Model Name Model Name Independ- Independ- ARUB120BTE4 ARUB140BTE4 ARUB160BTE4 ARUB200BTE4 ARUB200BTE4 ARUB200BTE4 ent Unit ent Unit ARUB160BTE4 ARUB180BTE4 ARUB200BTE4...
- Page 6 Unit 2 Outdoor Unit Unit 3 Outdoor Unit Combination Unit ARUB320DTE4 ARUB340DTE4 ARUB360DTE4 Combination Unit ARUB560DTE4 ARUB580DTE4 ARUB600DTE4 ARUB200DTE4 ARUB200DTE4 ARUB200DTE4 ARUB200DTE4 ARUB200DTE4 ARUB200DTE4 Model Name Model Name Independ- Independ- ARUB120DTE4 ARUB140DTE4 ARUB160DTE4 ARUB200DTE4 ARUB200DTE4 ARUB200DTE4 ent Unit ent Unit ARUB160DTE4 ARUB180DTE4 ARUB200DTE4...
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Page 7: Alternative Refrigerant R410A
ALTERNATIVE REFRIGERANT R410A Select installation location of the HR unit suitable for following condi- tions - Avoid a place where rain may enter since the HR unit is for indoor. The refrigerant R410A has the property of higher operating pressure in comparison with R22. -
Page 8: Installation Space
(Unit: mm) A≥10 A≥50 B≥500 B≥500 Description C≥10 C≥50 Part Name D≥500 D≥500 PRHR041/031 PRHR021 E≥20 E≥100 F≥900 F≥600 Low pressure Gas Ø28.58 Brazing con- Ø22.2 Brazing con- pipe connection port nection nection High pressure Gas Ø22.2 Brazing con- Ø19.05 Brazing con- A≥10 A≥50 pipe connection port... -
Page 9: Lifting Method
INSTALLATION • Install the outdoor unit at the higher installation console by 50cm than the average snowfall (annual average snowfall) if it is installed at the area with much snowfall. • Install at places where it can endure the weight and vibration/noise •... -
Page 10: Preparation Of Piping
Ⓐ The corner part must be fixed firmly. Otherwise, the support for the Burrs removal installation may be bent. - 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- Ⓑ... -
Page 11: Plumbing Materials And Storage Methods
Plumbing materials and storage methods Opening shutoff valve Pipe must be able to obtain the specified thickness and should be Remove the cap and turn the valve counter clockwise with the used with low impurities. hexagon wrench. Also when handling storage, pipe must be careful to prevent a frac- ture, deformity and wound. -
Page 12: Refrigerant Piping Installation
Connection of Outdoor units CAUTION 2, 3, 4 Outdoor Units 1 Always use the nitrogen.(not use oxygen, carbon dioxide, and a Chevron gas): Please use the following nitrogen pressure Outdoor units Model Low Pressure Gas Pipe Liquid Pipe High Pressure Gas Pipe 0.02MPa Oxygen –... -
Page 13: Installation Of Outdoor Unit, Hr Unit, Indoor Unit Refrigerant Pipe
Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe Liquid pipe 3 pipes are connected to the HR unit from the outdoor unit, classified Low pressure gas pipe into liquid pipe, low pressure gas pipe and high pressure gas pipe de- pending on status of refrigerant passing through the pipe. -
Page 14: Caution
[Reducers for indoor unit and HR unit] (Unit : mm) Gas pipe Models Liquid pipe High pressure Low pressure Indoor unit – reducer OD9.52(3/8) ID6.35(1/4) OD15.88(5/8) ID12.7(1/2) OD19.05(3/4) ID15.88(5/8) ID12.7(1/2) OD22.2(7/8) ID19.05(3/4) ID15.88(5/8) PRHR021A 9. The Multi V will stop due to an abnormality like excessive or insuffi- OD9.52(3/8) ID6.35(1/4) cient refrigerant. -
Page 15: Preparation Work
Preparation Work Method of drawing out pipes on the bottom side - Drawing out common pipe through side panel - Use Knock Outs of Base Pan of the outdoor unit for Left/Right or Bottom pipe drawing outs. Low Pressure Gas pipe Liquid pipe High Pressure Gas pipe... - Page 16 Refrigerant pipe diameter from outdoor unit to first 3) Length of pipe from each indoor unit to the HR Unit (a,b,c,d,e,f,g,i,j,k,l,m,n) ≤ 40 m branch. (A) 4) [Length of pipe from outdoor unit to the farthest indoor unit D12 Upward (A+B+C+D+e)] - [Length of pipe outdoor unit to the closest indoor unit D1(C1+a)] ≤...
- Page 17 Pattern 7 Pattern 2 • * : Serial connection of HR units : Capacity sum of indoor units ≤ 192 kBtu/h Pattern 8 • Impossible installation : HR unit Head branch pipe Y and Head branch pipe. Pattern 3 • * : Maximum indoor units per a branch are 8 indoor units •...
- Page 18 Outdoor unit Connection Pipe Connection Method/Precautions for Series connections between Outdoor units WARNING - Separate Y branch joints are needed for series connections between • In case of pipe diameter B connected after first branch is bigger outdoor units. than the main pipe diameter A, B should be of the same size - Please refer to the below connection examples to install pipe connec- with A.
- Page 19 (Example 1) (Example 3) Toward indoor unit Oil Trap Toward indoor unit (Example 2) Toward indoor unit Toward indoor unit Toward indoor unit Pipe inclination (2° or more) Toward indoor unit The amount of Refrigerant (Example 3) The calculation of the additional charge should take into account the length of pipe and CF(correction Factor) value of indoor unit.
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Page 20: Refrigerant Charging
Branch pipe Fitting WARNING • Regulation for refrigerant leakage Y branch : the amount of refrigerant leakage should satisfy the following equation for human safety. Ⓐ To Branch Piping or Indoor Unit Ⓑ To Outdoor Unit Total amount of refrigerant in the system ≤0.44 (kg / m Volume of the room at which Indoor Unit of the least capacity is installed... -
Page 21: 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 ID15.88 ID9.52... -
Page 22: 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 23: Thermal Insulation Of Refrigerant Piping
Thermal insulation of refrigerant piping Outdoor Unit Be sure to give insulation work to refrigerant piping by covering liquid Indoor Indoor pipe and gas pipe separately with enough thickness heat-resistant poly- Unit Unit ethylene, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves. -
Page 24: Control Box And Connecting Position Of Wiring
CAUTION WARNING The temperature sensor for outdoor air should not be exposed to • Use the 2-core shield cables for communication cables. Never use direct sunlight. them together with power cables. - Provide an appropriate cover to intercept direct sunlight. •... -
Page 25: Wiring Of Main Power Supply And Equipment Capacity
Field Wiring NOTE - Outdoor: 220 V3~ 60Hz • The figures are based on assumed length of parallel cabling up - Indoor: 220 V~ 50/60Hz to 100m. For length in excess of 100m the figures will have to be recalculated in direct proportion to the additional length of Single outdoor unit cable involved. - Page 26 - Outdoor: 460 V3~ 60Hz WARNING - Indoor: 220 V~ 50/60Hz When the total capacity is over than as follow, the power source Single outdoor unit do not use in series between the units. The First terminal block could be burnt out. (Heat Pump : 62 Hp) Power supply 3Phase 3wires [Outdoor Unit]...
- Page 27 Example) Connection of transmission wire WARNING [BUS type] [STAR type] When the total capacity is over than as follow, the power source - Connection of communication - Abnormal operation can be do not use in series between the units. cable must be installed like caused by communication de- The First terminal block could be burnt out.
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Page 28: Checking The Setting Of Outdoor Units
HR Unit PCB Front Side 1 Front Side 2 #4 valve housing #1 valve housing Main power Main power terminal block terminal block Ground wire Ground wire #1 cooling valve Power/ Ground cable LED(green) #1 heating valve Over 50mm (1.97”)gap LED(red) Power/Ground cable Communication... - Page 29 3. Selection of the model of the HR unit Y branch pipe [Unit:mm] Models Gas Pipe Liquid pipe I.D22.2 I.D25.4 I.D19.05 I.D15.88 I.D19.05 I.D12.7 I.D12.7 I.D9.52 I.D19.05 I.D15.88 I.D12.7 I.D12.7 ARBLB03321 I.D12.7 I.D9.52 I.D6.35 I.D22.2 I.D28.58 I.D22.2 (For 2 branches) (For 3 branches) (For 4 branches) O.D19.05...
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Page 30: Automatic Addressing
Automatic Addressing WARNING The address of indoor units would be set by Automatic 1. Execute auto addressing and auto pipe detection again when- ever the indoor PCB and HR unit PCB is replaced. Addressing • Operation error occurs unless power is applied to the indoor - Wait for 3 minutes after supplying power. -
Page 31: The Procedure Of Automatic Addressing
The Procedure of Automatic Addressing Flow chart of manual addressing for pipe de- tection Power On Execute in case of Auto pipe detection Waiting 3 minutes failure Wait for about 5 minutes. Turn No.1 of SW02M of HR unit PCB on. Press RED Button for 5 sec. -
Page 32: Example Of Manual Valve Addressing (Zoning Setting)
Example of manual valve addressing (Zoning Example of checking valve address setting) (In case that an indoor unit of central control address "11" is connected to a valve #1 of an HR unit) (In case that an indoor unit of central control address "11" is connected to a valve #1 of an HR unit) Display and setup Setup and Contents... -
Page 33: Group Number Setting
Setting the function Group recognizing the central controller No.0 group (00~0F) Select the mode/function/option/value using ‘▶’, ‘◀’ Button and con- No.1 group (10~1F) firm that using the ‘●’ button after dip switch No.5 is turned on. No.2 group (20~2F) DIP-SW01 7 - Segment No.3 group (30~3F) No.4 group (40~4F) SW04C ( : cancel) -
Page 34: Night Low Noise Function
Night Low Noise Function Overall defrost mode In cooling mode, this function makes the ODU fan operate at low RPM Mode setting method to reduce the fan noise of ODU at night which has low cooling load. Master unit PCB DIP switch on : No.5 Night low noise function setting method Select the mode using ‘▶’, ‘◀’... -
Page 35: Snow Removal & Rapid Defrost
Snow removal & rapid defrost Target pressure adjusting 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 36: 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 37 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 38: 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 39: 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 •...