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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.
460 V3~ 60Hz
P/NO : MFL67221422
www.lg.com
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Table of Contents
Related Manuals for LG multi V ARUV160DTS4
Summary of Contents for LG multi V ARUV160DTS4
- 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. 460 V3~ 60Hz www.lg.com P/NO : MFL67221422...
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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
TABLE OF CONTENTS CAUTION Installation TIPS FOR SAVING ENERGY • Always check for gas (refrigerant) leakage after installation or repair of product. - Low refrigerant levels may cause failure of product. IMPORTANT SAFETY INSTRUCTIONS • Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. -
Page 4: Installation Process
INSTALLATION PROCESS Power Supply : 460 V3~ 60Hz Model Name : ARUN***DTS4 Indicate clearly who will be responsible for switch setting. Determination of division work Number of outdoor units 1 Outdoor Unit Capacity(HP) Make connection clearly between outdoor, indoor, Preparation of contract drawings Combination Unit ARUN080DTS4 ARUN100DTS4... - Page 5 Number of outdoor units 2 Outdoor Unit Number of outdoor units 3 Outdoor Unit Capacity(HP) Capacity(HP) Combination Unit ARUN340DTS4 ARUN360DTS4 Combination Unit ARUN580DTS4 ARUN600DTS4 ARUN200DTS4 ARUN200DTS4 ARUN200DTS4 ARUN200DTS4 Model ARUN140DTS4 ARUN160DTS4 Model ARUN200DTS4 ARUN200DTS4 Independent Independent Unit Unit ARUN180DTS4 ARUN200DTS4 Dimensions (1,240×1,680×760)×2 (1,240×1,680×760)×2...
- Page 6 Model Name : ARUV***DTS4 Number of outdoor units 2 Outdoor Unit Capacity(HP) Combination Unit ARUV340DTS4 ARUV360DTS4 Number of outdoor units 1 Outdoor Unit ARUV200DTS4 ARUV200DTS4 Capacity(HP) Model ARUV140DTS4 ARUV160DTS4 Independent Combination Unit ARUV100DTS4 ARUV120DTS4 ARUV140DTS4 Unit ARUV100DTS4 ARUV120DTS4 ARUV140DTS4 Model Independent (1,240×1,680×760)×1 Unit...
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Page 7: Alternative Refrigerant R410A
ALTERNATIVE REFRIGERANT Number of outdoor units 3 Outdoor Unit Capacity(HP) Combination Unit ARUV580DTS4 ARUV600DTS4 R410A ARUV200DTS4 ARUV200DTS4 Model ARUV200DTS4 ARUV200DTS4 Independent The refrigerant R410A has the property of higher operating pressure in Unit ARUV180DTS4 ARUV200DTS4 comparison with R22. Therefore, all materials have the characteristics of higher resisting Dimensions (1,240×1,680×760)×3 (1,240×1,680×760)×3... -
Page 8: 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. •... -
Page 9: Installation
Foundation for Installation CAUTION • Fix the unit tightly with bolts as shown below so that unit will not fall Be very careful while carrying the product. down due to earthquake or gust. • Do not have only one person carry product if it is more than 20 kg. •... -
Page 10: Preparation Of Piping
Preparation of Piping CAUTION Main cause of gas leakage is defect in flaring work. Carry out correct • Always use a charge hose for service port connection. flaring work in the following procedure. • After tightening the cap, check that no refrigerant leaks are present. •... -
Page 11: 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 12: 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 13: Refrigerant Piping System
Refrigerant piping system 2 Outdoor Units Slave Example : 6 Indoor Units connected Slave Slave Master Ⓐ : Outdoor Unit Master Master Y branch method 10m or Ⓑ : Header branch less Ⓒ : Indoor Units 1 Outdoor Units ODU Capacity Ⓓ... -
Page 14: Pipe Connection Method Between Outdoor Unit/Indoor Unit
3 Outdoor Units (Table 1) Limit Pipe length Example : 5 Indoor Units connected Slave2 Combination of Y Y branch Slave1 Header Ⓐ : Outdoor Unit Master branch/header Method 10m or Method ODU Capacity Ⓑ : 1st branch(Y branch) Method less Master ≥... - Page 15 (Table 4) Conditional Application Indoor Unit Connection • To satisfy below condition to make 40 m ~ 90 m of pipe length after first branch. Indoor Unit connecting pipe from branch (a,b,c,d,e,f) Condition Example Indoor Unit capacity Liquid pipe Diameter of pipes be- Ø6.35 ’...
- Page 16 Examples of Wrong Pipe Connections - When connecting the pipes between the outdoor units, the accumu- lation of oil in the slave outdoor unit should be avoided. Otherwise, the unit may not operate properly. If the main pipe is (Example 1) higher than the outdoor units, oil is Oil Trap...
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Page 17: Refrigerant Charging
Refrigerant charging Attach the additional refrigerant table of IDU. Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle Liquid pipe Gas pipe WARNING CAUTION • Pipe to be vacuumed : gas pipe, liquid pipe Use only 2-series of indoor unit. Ex) ARNU***2 •... -
Page 18: Branch Pipe Fitting
Vertical Distribution • There is no limitation on the joint mounting configuration. • If the diameter of the refrigerant piping selected by the procedures - Ensure that the branch pipes are attached vertically. described is different from the size of the joint, the connecting sec- tion should be cut with a pipe cutter. -
Page 19: Leak Test And Vacuum Drying
• Joints between branch and pipe should be sealed with the tape in- Header cluded in each kit. [unit:mm] Tape Models Gas pipe Liquid pipe Insulator ID12.7 ID6.35 ID12.7 ID6.35 4 branch Insulator of field pipe ID9.52 ID15.88 ID9.52 ARBL054 ID15.88 ID15.88 ID19.05... -
Page 20: 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 21: 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 22: 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 23: 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 24 WARNING WARNING • Indoor Unit ground wires are required for preventing electrical • Indoor Unit ground wires are required for preventing electrical shock accident during current leakage, Communication disorder by shock accident during current leakage, Communication disorder by noise effect and motor current leakage (without connection to noise effect and motor current leakage (without connection to pipe).
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Page 25: Checking The Setting Of Outdoor Units
• Initial display order Main Power Connection Communication Connection Order Mean Main power terminal block ① 8~20 Master model capacity (HP) Insulation sleeves attachments ② 8~20 Slave 1 model capacity (HP) ③ 8~20 Slave 2 model capacity (HP) ODU-IDU ④ Communication cable 8~20 Slave 3 model capacity (HP) -
Page 26: Group Number Setting
Group Number setting CAUTION Group Number setting for Indoor Units • In replacement of the indoor unit PCB, always perform Automatic - Confirm the power of whole system(Indoor Unit, Outdoor Unit) is addressing setting again (At that time, please check about using In- OFF, otherwise turn off. -
Page 27: Static Pressure Compensation Mode
Night Low Noise Function Right side Left side In cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan noise of ODU at night which has low cooling load. Switch (Phase) Night low noise function setting method Switch (Bottom) Master unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’... -
Page 28: Snow Removal & Rapid Defrost
Target pressure adjusting CAUTION • Ask an authorized technician to setting a function. Mode setting method • If use a function, first install a Central controller. Master unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’ Button : “Func”... -
Page 29: 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 30 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 31: 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 32: 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 •...