LG multi V ARUV100DTS4 Installation Manual Download

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ENGLISH

Y branch method

1 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch (Y branch)

Ⓒ

: Indoor Units

2 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch (Y branch)

Ⓒ

: Indoor Units

Ⓓ

: Downward Indoor Unit

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN21

40m (90 m : Conditional application)

h 40m

H 110m

L150m (200 m : Conditional application)

Combination of Y
branch/header method

1 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch (Y branch)

Ⓒ

: Y branch

Ⓓ

: Indoor Unit

Ⓔ

: Header

Ⓕ

: Sealed piping

Header Method

1 Outdoor Unit

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch

Ⓒ

: Indoor Units

Ⓓ

: Sealed piping

L 200m

40m

H 110m

40m

10m or

less

L150m (200 m : Conditional application)

ODU Capacity

Master ≥ Slave1 ≥ Slave 2

40m (90 m : Conditional application)

H 110m

Slave

Master

h 40m

2 Outdoor Units

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: Header branch

Ⓒ

: Indoor Units

Ⓓ

: Sealing

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN21

10m or

less

L 110m

L 200m

40m

Slave

Master

Slave

Master

Slave

Master

ODU Capacity

Master ≥ Slave

40m

3 Outdoor Units

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: Header branch

Ⓒ

: Indoor Units

Ⓓ

: Sealing

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN31

Ⓕ

: Connection branch pipe be-

tween Outdoor units: ARCNN21

10m or

less

H 110m

L 200m

40m

Master

Slave2

Slave1

ODU Capacity

Master ≥ Slave1 ≥ Slave2

40m

3 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch (Y branch)

Ⓒ

: Indoor Units

Ⓓ

: Downward Indoor Unit

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN31

Ⓕ

: Connection branch pipe be-

tween Outdoor units: ARCNN21

10m or

less

L150m (200 m : Conditional application)

ODU Capacity

Master ≥ Slave1 ≥ Slave 2

40m (90 m : Conditional application)

H 110m

Slave2

Slave1

Master

h 40m

4 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch (Y branch)

Ⓒ

: Indoor Units

Ⓓ

: Downward Indoor Unit

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN41

Ⓕ

: Connection branch pipe be-

tween Outdoor units: ARCNN31

Ⓖ

: Connection branch pipe be-

tween Outdoor units : ARCNN21

10m or

less

L150m (200 m : Conditional application)

40m (90 m : Conditional application)

H 110m

Slave2

Slave3

Slave1

Master

ODU Capacity

Master ≥ Slave1 ≥ Slave 2 ≥ Slave 3

h 40m

Refrigerant piping system

Branch pipe can not be used after header

4 Outdoor Units

Example : 6 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: Header branch

Ⓒ

: Indoor Units

Ⓓ

: Sealing

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN41

Ⓕ

: Connection branch pipe be-

tween Outdoor units: ARCNN31

Ⓖ

: Connection branch pipe be-

tween Outdoor units : ARCNN21

10m or

less

H 110m

L 200m

40m

Master

Slave3

Slave1

Slave2

ODU Capacity

Master ≥ Slave1 ≥ Slave2 ≥ Slave3

40m

Branch pipe can not be used after header

L 150m(200m : Conditional application)

40m(90m : Conditional application)

L 110m

Branch pipe can not be used after header

2 Outdoor Units

Example : 5 Indoor Units connected

Ⓐ

: Outdoor Unit

Ⓑ

: 1st branch

Ⓒ

: Y branch

Ⓓ

: Indoor Unit

Ⓔ

: Connection branch pipe be-

tween Outdoor units: ARCNN21

Ⓕ

: Header

Ⓖ

: Sealed piping

10m or
less

H 110m

Master

Slave

Master

Slave

L 150m(200m : Conditional application)

40m(90m : Conditional application)

ODU Capacity

Master ≥ Slave

Master

Slave

Branch pipe can not be used after header

Summary of Contents for multi V ARUV100DTS4

Page 1: ... 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 MFL67221422 460 V3 60Hz ENGLISH ESPAÑOL PORTUGUESE ...

Page 2: ...ified on the unit If a different refrigerant or air is mixed with the original refrigerant the refrigerant cycle may malfunction and the unit may be damaged Do not reconstruct to change the settings of the protection devices If the pressure switch thermal switch or other protection device is shorted and operated forcibly or parts other than those specified by LGE are used fire or explosion may res...

Page 3: ...n the unit base Also support the outdoor unit at four points so that it cannot slip sideways 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 ...

Page 4: ...all indoor units The number of means the number of Max connectable indoor units when the connected capacity of indoor units is in the table above Combination Ratio 50 200 Outdoor Number Connection Ratio Single outdoor units 200 Double outdoor units 160 Triple outdoor units 130 OUTDOOR UNITS INFORMATION Power Supply 460 V3 60Hz Model Name ARUN DTS4 Number of outdoor units 1 Outdoor Unit Capacity HP...

Page 5: ... 4 Gas mm inch 41 3 1 5 8 41 3 1 5 8 Numberofmaximumconnectableindoorunits 64 64 Number of outdoor units 4 Outdoor Unit Capacity HP 62 64 66 Model Combination Unit ARUN620DTS4 ARUN640DTS4 ARUN660DTS4 Independent Unit ARUN180DTS4 ARUN180DTS4 ARUN180DTS4 ARUN160DTS4 ARUN180DTS4 ARUN180DTS4 ARUN140DTS4 ARUN140DTS4 ARUN160DTS4 ARUN140DTS4 ARUN140DTS4 ARUN140DTS4 Dimensions mm 1 240 1 680 760 4 1 240 1...

Page 6: ...el Combination Unit ARUV420DTS4 ARUV440DTS4 ARUV460DTS4 Independent Unit ARUV180DTS4 ARUV200DTS4 ARUV200DTS4 ARUV140DTS4 ARUV140DTS4 ARUV160DTS4 ARUV100DTS4 ARUV100DTS4 ARUV100DTS4 Dimensions mm 1 240 1 680 760 920 1 680 760 2 1 240 1 680 760 920 1 680 760 2 1 240 1 680 760 2 920 1 680 760 1 Net Weight kg 270 1 201 1 195 x 1 270 1 201 1 195 x 1 270 1 235 1 195 1 Refrigerant Precharged amount kg 8 ...

Page 7: ...4 ARUV200DTS4 Dimensions mm 1 240 1 680 760 3 1 240 1 680 760 3 Net Weight kg 270 3 270 3 Refrigerant Precharged amount kg 8 5 x 3 8 5 x 3 Pipe Connections Liquid mm inch 19 05 3 4 19 05 3 4 Gas mm inch 41 3 1 5 8 41 3 1 5 8 Numberofmaximumconnectableindoorunits 64 64 ALTERNATIVE REFRIGERANT R410A The refrigerant R410A has the property of higher operating pressure in comparison with R22 Therefore ...

Page 8: ... C D A E B A B E A E B F C D A E B F D E C A B F C D A E B F C D 240 or more 50 or more 45 or more The height of the wall on the front side must be 1500mm or less The height of the wall on the inlet side must be 500mm or less There is no limit to the wall on the side If the height of the walls on the front and the side are higher than the limit there must be additional space on the front and the s...

Page 9: ...gust Use the H beam support as a base support Noise and vibration may occur from the floor or wall since vibration is transferred through the installation part depending on installation sta tus Thus use anti vibration materials cushion pad fully The base pad shall be more than 200mm At least 200mm Unit mm 200 75 75 200 100 Ⓐ The corner part must be fixed firmly Otherwise the support for the instal...

Page 10: ...enches in combination When connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut When connecting a flare nut coat the flare inner and outer faces with oil for R410A PVE and hand tighten the nut 3 to 4 turns as the initial tightening Union Insulation of shutoff valve 1 Use the heat insulation material for the refrigerant piping which has an excellent h...

Page 11: ...l operation of the compressor In order to avoid this problem Welding should be done after replacing air by nitrogen gas When welding plumbing pipe the work is required Regulator Nitrogen gas Pressure 0 02MPa less Auxiliary valve Taping Should not contain air Welding Point Note should not block the outlet side When the internal pressure in pipe is abo ve the atmospheric pressure pinhole is o ccurre...

Page 12: ...emoving burr after Knock Out work Perform sleeve work to prevent damage to the wire when con necting wires using Knock Out PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Remove leakage prevention cap Remove the leakage prevention cap attached to the outdoor unit service valve before pipe work Proceed the leakage prevention cap removal as follows Verify whether the liquid gas pipes are locked Ext...

Page 13: ...ndoor Unit Ⓔ Connection branch pipe be tween Outdoor units ARCNN31 Ⓕ Connection branch pipe be tween Outdoor units ARCNN21 10m or less L150m 200 m Conditional application ODU Capacity Master Slave1 Slave 2 l 40m 90 m Conditional application H 110m Slave2 Slave1 Master h 40m h1 4 Outdoor Units Example 5 Indoor Units connected Ⓐ Outdoor Unit Ⓑ 1st branch Y branch Ⓒ Indoor Units Ⓓ Downward Indoor Uni...

Page 14: ...7 1 2 Ø 25 4 1 Ø 12 7 1 2 not increased 12 14 Ø 12 7 1 2 Ø 28 58 1 1 8 Ø 15 88 5 8 not increased Ø 15 88 5 8 not increased 16 Ø 12 7 1 2 Ø 28 58 1 1 8 Ø 15 88 5 8 Ø 31 8 1 1 4 Ø 15 88 5 8 not increased 18 22 Ø 15 88 5 8 Ø 28 58 1 1 8 Ø 19 05 3 4 Ø 31 8 1 1 4 Ø 19 05 3 4 not increased 24 Ø 15 88 5 8 Ø 34 9 1 3 8 Ø 19 05 3 4 not increased Ø 19 05 3 4 not increased 26 34 Ø 19 05 3 4 Ø 34 9 1 3 8 Ø 22...

Page 15: ...pe Therefore pipe diameter B connected after first branch would be Ø34 9 gas pipe Ø15 88 liquid pipe which is same with main pipe diameter Example Do not choose the main pipe diameter by downward indoor unit total capacity but its outdoor unit model name Do not let the connection pipe from branch to branch exceed the main pipe diameter chosen by outdoor unit model name EX Where connecting the indo...

Page 16: ...0 26 2 0 24 4 2 12 kg Toward indoor unit Toward indoor unit Pipe inclination 2 or more Toward indoor unit Toward indoor unit Toward indoor unit Toward indoor unit Example 1 Example 2 Example 3 Apply Oil Trap as shown below when the length of the pipe between the outdoor units is more than 2m Otherwise the unit may not oper ate properly Example 1 Toward indoor unit Toward indoor unit 2m 2m 2m 0 2m ...

Page 17: ...from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation sys tem Limitation in piping work Prepare for earthquake and thermal stress Gas pipe Liquid pipe Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle WARNING Pipe to be vacuumed gas pipe liquid pipe If the refrigerant amount is not exact it may...

Page 18: ... that the branch pipes are attached horizontally or vertically see the diagram below There is no limitation on the joint mounting configuration If the diameter of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting sec tion should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit Ⓐ To Outdoor Unit...

Page 19: ... 44 48 I D38 1 I D41 3 I D 44 48 I D38 1 I D41 3 I D 53 98 420 490 134 1 2 3 3 2 3 3 3 3 2 O D 19 05 I D 12 7 I D 15 88 O D12 7 I D6 35 I D9 52 X2 110 110 I D25 4 I D22 2 I D 19 05 I D 19 05 I D 22 2 I D 25 4 I D 25 4 I D 22 2 346 379 96 2 3 3 2 3 unit mm unit mm Leak test Leak test should be made by pressurizing nitrogen gas to 3 8 MPa 38 7kgf cm2 If the pressure does not drop for 24 hours the sy...

Page 20: ...d hence there is no leakage in pipe oc curred CAUTION To prevent the nitrogen from entering the refrigeration system in the liquid state the top of the cylinder must be at higher position than the bottom when you pressurize the system Usually the cylinder is used in a vertical standing position WARNING Use a vacuum pump or Inert nitrogen gas when doing leakage test or air purge Do not compress air...

Page 21: ...n part with steel plate so that the insulation material will not be caved in For this part use incom bustible materials for both insulation and covering Vinyl covering should not be used Inner wall concealed Outer wall Outer wall exposed Floor fireproofing Penetrating portion on fire limit and boundary wall Roof pipe shaft Caution Follow ordinance of your governmental organization for technical st...

Page 22: ...citor Make sure that the power unbalance ratio is not greater than 2 If it is greater the units lifespan will be reduced Control box and connecting position of wiring Remove all of the screws at front panel and remove the panel by pulling it forward Connect communication cable between main and sub outdoor unit through the terminal block Connect communication cables between outdoor unit and indoor ...

Page 23: ...ys a risk of electric shocks the earthing of the apparatus must be carried out by a qualified person Wiring of main power supply and equipment capacity Use a separate power supply for the Outdoor Unit and Indoor Unit 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 condui...

Page 24: ...oor unit to outdoor unit Abnormal operation can be caused by communication de fect when connection of com munication cable is installed like below figure STAR type Master Outdoor Unit SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V 3 4 3 4 3 4 Between Indoor and Master Outdoor unit The GND terminal at the main PCB is a terminal for day contact it is not the point to make ground connection ...

Page 25: ... 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 This number represents the setting condition Initial display order Example ARUN620DTS4 Master Unit Slave Unit Order No Mean 8 20 Master m...

Page 26: ...80 8F No 9 group 90 9F No A group A0 AF No B group B0 BF No C group C0 CF No D group D0 DF No E group E0 EF No F group F0 FF Cool Heat selector Mode setting method Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn1 Push the button Select the Option using Button oFF op1 op2 Push the button Cool Heat Selection mode is set Functio...

Page 27: ...ter unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn3 Push the button Select the Option using Button op1 op12 Push the button Start the Night low noise function Save the selected option value in EEPROM Step Judgment Time Hr Operation Time Hr op1 8 9 op2 6 5 10 5 op3 5 12 op4 8 9 op5 6 5 10 5 op6 5 12 op7 8 9 op8 6 5 10 op9 5 12 op10 ...

Page 28: ...ode is set CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode Mode setting Step Mode oFF Not setting op1 Snow removal mode op2 Rapid defrost mode op3 Snow removal mode Rapid defrost mode IDU capacity adjusting If the operation of indoor unit is more than 130 the air flow is oper ated as low in the all indoor units Mode setting method Master unit PCB...

Page 29: ... sensor of indoor unit Outlet pipe temperature sensor of indoor unit is open or short 0 9 Indoor EEPROM Error In case when the serial number marked on EEPROM of Indoor unit is 0 or FFFFFF 1 0 Poor fan motor operation Disconnecting the fan motor connector Failure of indoor fan motor lock Outdoor unit related error 2 1 Master Outdoor Unit Inverter Compressor IPM Fault Master Outdoor Unit Inverter Co...

Page 30: ...sive connection of indoor units compared to capacity of Out door Unit 5 2 Communication error inverter PCB Main PCB Failing to receive inverter signal at main PCB of Master Outdoor Unit 5 3 Communication error indoor unit Main PCB of Outdoor Unit Failing to receive indoor unit signal at main PCB of Outdoor Unit 5 7 Communication error Main PCB inverter PCB Failing to receive signal main PCB at inv...

Page 31: ...xtent that the refrigerant gas will not exceed the limiting concentration even if the refrigerant gas leaks in the room Limiting concentration CAUTION FOR REFRIGERANT LEAK Outdoor unit related error 1 0 4 Communication Error Between Master Outdoor Unit and Other Outdoor Unit Failing to receive Slave Unit signal at main PCB of Master Out door Unit 1 0 5 Master Outdoor Unit Fan PCB Communication Err...

Page 32: ...nt can stay since refrigerant is heavier than air CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficie...

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