LG MULTI V IV ARUB080BTE4 Installation Manual Download Page 1 | Manualshive

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P/NO : MFL68065501

www.lg.com

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.

ENGLISH

ESP

AÑOL

POR

TUGUESE

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Summary of Contents for MULTI V IV ARUB080BTE4

Page 1: ...etely 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 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: ...y not play with them If children play with a plastic bag which was not torn apart they face the risk of suffocation Turn on the power at least 6 hours before starting operation Starting operation immediately after turning on the main power switch can re sult in severe damage to internal parts Keep the power switch turned on dur ing the operational season Do not touch any of the refrigerant piping ...

Page 4: ...units 130 Power Supply 220 240 V3 50Hz 220 V3 60Hz Model Name ARUB BTE4 Unit 1 Outdoor Unit HP 8 10 12 Model Name CombinationUnit ARUB080BTE4 ARUB100BTE4 ARUB120BTE4 Independ ent Unit ARUB080BTE4 ARUB100BTE4 ARUB120BTE4 Refigerant charging amount kg 7 7 7 7 7 7 lbs 16 9 16 9 16 9 Number of maxmum connectable indoor units 13 20 16 25 20 30 Net Weight kg 195 1 208 1 208 1 lbs 430 1 459 1 459 1 Dimen...

Page 5: ...wPressureGasPipes mm inch 15 88 5 8 15 88 5 8 15 88 5 8 HighPressureGasPipes mm inch 28 58 1 1 8 28 58 1 1 8 34 9 1 3 8 Unit 2 Outdoor Unit HP 26 28 30 Model Name CombinationUnit ARUB260DTE4 ARUB280DTE4 ARUB300DTE4 Independ ent Unit ARUB140DTE4 ARUB160DTE4 ARUB180DTE4 ARUB120DTE4 ARUB120DTE4 ARUB120DTE4 Refigerant charging amount kg lbs 10 7 1 7 7 1 10 7 1 7 7 1 10 7 1 7 7 1 Number of maxmum conne...

Page 6: ...0 7 x 4 10 7 x 4 Number of maxmum connectable indoor units 23 6 4 23 6 4 Net Weight kg 64 64 lbs 285 3 245 1 285 4 Dimensions WxHxD mm 628 3 540 1 628 4 inch 1 240 1 680 760 4 1 240 1 680 760 4 Pipe Connc tions Liquid Pipes mm inch 48 8 66 1 29 9 4 48 8 66 1 29 9 4 LowPressureGasPipes mm inch 22 2 7 8 22 2 7 8 HighPressureGasPipes mm inch 53 98 2 1 8 53 98 2 1 8 Unit 4 Outdoor Unit HP 78 80 Model ...

Page 7: ...on to strong wind With strength which bears weight of unit Note that drain flows out of unit when heating With space for air passage and service work shown next Because of the possibility of fire do not install unit to the space where generation inflow stagnation and leakage of combustible gas is expected Avoid unit installation in a place where acidic solution and spray sul fur are often used Do ...

Page 8: ... D 500 A 50 B 100 C 50 D 500 A 10 B 300 C 10 D 500 E 20 A 50 B 100 C 50 D 500 E 100 A 10 B 300 C 10 D 500 E 20 F 600 A 50 B 100 C 50 D 500 E 100 F 500 A 10 B 300 C 10 D 300 E 20 F 500 A 50 B 100 C 50 D 100 E 100 F 500 A E B D A C B D E C A E B F C D A E B F C D A B F C D A E B F C D A E B D A C B D E C A E B F C D A E B F C D A B F C D A E B F C D A E B D A C B D E C A E B F C D A E B F C A B F C ...

Page 9: ...more than 2 times the snowfall and its width shall not exceed the width of the product If width of the frame is wider than that of the product snow may accumulate Don t install the suction hole and discharge hole of the Outdoor Unit facing the seasonal wind CAUTION Be very careful while carrying the product Do not have only one person carry product if it is more than 20 kg PP bands are used to pac...

Page 10: ... oil for R410A PVE and hand tighten the nut 3 to 4 turns as the initial tightening Union Unit mm 200 75 75 200 100 Ⓐ The corner part must be fixed firmly Otherwise the support for the installation may be bent Ⓑ Get and use M10 Anchor bolt Ⓒ Put Cushion Pad between the outdoor unit and ground support for the vibration protection in wide area Ⓓ Space for pipes and wiring Pipes and wirings for bottom...

Page 11: ... pressure in pipe is abo ve the atmospheric pressure pinhole is o ccurred and it is a leakage cause Oxide scale Nitrogen Opening shutoff valve 1 Remove the cap and turn the valve counter clockwise with the hexagon wrench 2 Turn it until the shaft stops Do not apply excessive force to the shutoff valve Doing so may break the valve body as the valve is not a backseat type Always use the special tool...

Page 12: ...be installed suspended from ceiling and side A should always be facing up 5 Insulate not used pipes completely as shown in the figure Connection of Outdoor units 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 0 02MPa Oxygen Promotes oxidative degradation of refrig erant oil Because it is flammable it is stric...

Page 13: ...r control Auto changeover Changeover under control Zoning control group 1 Zoning control group 2 Max 8 Indoor Units Max 8 Indoor Units WARNING A branch pipe of HR unit allows up to 14 1kW based on cooling ca pacity of the indoor unit up to 14 1kW 48kBtu h for max installation The maximum total capacity of indoor units connected to a PRHR041 HR unit is 56 4kW 192 kBtu h The maximum number of indoor...

Page 14: ...nit connected after branching use an appropriate branch pipe set according to the pipe diameter of the indoor unit and the installation pipe drawing PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT Caution 1 Use the following materials for refrigerant piping Material Seamless phosphorous deoxidized copper pipe Wall thickness Comply with the relevant local and national regula tions for the designed...

Page 15: ...Indoor Units connected Ⓐ Outdoor Unit Ⓑ Y branch Ⓒ Indoor Unit Ⓓ Connection branch pipe between Outdoor units ARCNB21 Ⓔ Connection branch pipe between Outdoor units ARCNB31 Ⓕ Connection branch pipe between Outdoor units ARCNB41 Ⓖ Header Ⓗ HR Unit Case 1 a Maximum height is 15m if you install with Y branch Case 2 b Maximum height is 5m in serial connection of HR units A2 H1 C 1 2 C C C 3 4 E F D A ...

Page 16: ...ndoor units 192 4 kBtu hr Refer to the HR unit PCB part for the valve group control setting It is recommended that difference in pipe lengths between an HR unit and indoor units for example difference in length of a b c and d be minimized The larger dif ference in pipe lengths the more different performance between indoor units Piping length from outdoor branch to outdoor unit 10m equiva lent leng...

Page 17: ...its HR2 48k 48k 3 4 HR3 48k 48k 5 6 HR1 48k 48k 1 2 HR2 B 12k 12k 12k 12k 3 4 5 6 24k 7 24k 8 Pipe installation from outdoor units to HR units 3 pipes Low pressure Gas pipe High pressure Gas pipe Liquid pipe Pipe installation from HR units to indoor units 2 pipes Gas pipe Liquid pipe B A 1 HR1 Outdoor Unit Indoor Unit Y Branch pipe Low pressure Gas pipe High pressure Gas pipe Liquid pipe Gas pipe ...

Page 18: ...th A Ex In case indoor unit combination ratio 120 is connected to 70kW outdoor unit 1 Outdoor unit main pipe diameter A Ø34 9 Low pressure gas pipe Ø15 88 liquid pipe Ø28 58 High Pressure liq uid pipe 2 Pipe diameter B after first branch according to 120 in door unit combination 84kW Ø34 9 Low pressure gas pipe Ø19 05 liquid pipe Ø28 58 High Pressure liquid pipe Therefore pipe diameter B connected...

Page 19: ...a Ceiling concealed Duct 7 3kW 2ea Wall Mounted 2 3kW 4ea CF 0 64 1 0 26 2 0 24 4 2 12 kg CAUTION Use only 2 series of indoor unit Ex ARNU 2 Do not connect Hydro kit with Multi V IV Models 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 l...

Page 20: ...section should be cut with a pipe cutter ⓒ Pipe cutter When the number of pipes to be connected is smaller than the number of header branches in stall a cap to the unconnected branches Branch pipe Fitting WARNING Regulation for refrigerant leakage the amount of refrigerant leakage should satisfy the following equation for human safety If the above equation can not be satisfied then follow the foll...

Page 21: ...53 98 I D 25 4 I D 44 48 I D 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 ...

Page 22: ...TION 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 or Oxygen and do not use Flamma ble gases Otherw...

Page 23: ... Do not insulate gas or low pressure pipe and liquid or highpres sure pipe together Be sure to fully insulate connecting portion Ⓐ These parts are not insulated Ⓐ Liquid pipe Ⓑ Gas pipe ⓒ Power lines ⓓ Finishing tape ⓔ Insulating material ⓕ Communication lines A C D E B F A Good example Ⓐ Liquid pipe Ⓑ Gas pipe ⓒ Power lines ⓓ Insulating material ⓔ Communication lines Communication lines Separatio...

Page 24: ...ow the instructions below Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause abnormal heat When connecting cable which is the same thickness do as shown in the figure below For wiring use the designated power cable and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver...

Page 25: ...nnections so that no external force is imparted to terminal connections If connec tions are not fixed firmly it may cause heating or fire Make sure to use the appropriate type of overcurrent protection switch Note that generated overcurrent may include some amount of direct current Field Wiring Outdoor 220 V3 60Hz Indoor 220 V 50 60Hz Single outdoor unit R S T Switch Fuse L N Communication Line 2 ...

Page 26: ... operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other parts Outdoor 460 V3 60Hz Indoor 220 V 50 60Hz Single outdoor unit L N Communication Line 2 Wires Cable Power Line 4 Wires Cable Communication Line 3 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Pow...

Page 27: ...y from the power supply Install the main switch that can interrupt all the power sources in an integrated manner because this system consists of the equipment utilizing the multiple power sources If there exists the possibility of reversed phase lose phase mo mentary blackout or the power goes on and off while the product is operating attach a reversed phase protection circuit locally Running the ...

Page 28: ... sensor would be operated abnormally e Main power terminal block Ground wire Power Ground cable Over 50mm 1 97 gap Communication cable Main power terminal block Insulation sleeves attachments Fix ﬁrmly not to be displaced ODU IDU Communication cable ODU ODU Communication cable e Main power terminal block Ground wire Power Ground cable Over 50mm 1 97 gap Communication cable Front Side 1 Front Side ...

Page 29: ...110 1 2 3 3 1 2 Y branch pipe Unit mm SW05M Rotary S W for addressing HR unit Must be set to 0 when installing only one HR unit When installing multiple HR units address the HR units with sequen tially increasing numbers starting from 0 Ex Installation of 3 HR units 1 2 3 4 1 2 3 4 1 2 3 4 A B A B A B S W No Setup No 1 Manual addressing of valve 1 No 2 Manual addressing of valve 2 No 3 Manual addr...

Page 30: ...utomatic Addressing 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 Press RED button of the outdoor units for 5 seconds SW01C A 88 is indicated on 7 segment LED of the outdoor unit PCB For completing addressing 2 7 minutes are required depending on numbers of connected indoor units Numbers of conn...

Page 31: ...Don t press RED Button SW01C Waiting about 2 7 minutes 7 segment LED OK YES NO Check the connections of communication cable 88 Above setup must be done for all HR unit valves The valve that is not connected with any indoor unit should be ad dressed with any other number than used address numbers of the valves connected with indoor units The valves does not work if the address numbers are same Comp...

Page 32: ...ress 11 is connected to a valve 1 of an HR unit Zoning control is connecting 2 or more indoor units at one pipe of HR unit In case of Zoning control in order to set controls with multiple in door units connection uses the rotary switch Namely only the rotary switch changes from same valve set condition and set indoor units connection 1 On dip switch of the corresponding valves and sets the rotary ...

Page 33: ...alve 01 Indoor unit 04 Indoor unit 03 Indoor unit 02 Indoor unit 01 Central control address HR unit Mode Function Option Value Action Remarks Content Display1 Content Display2 Content Display3 Content Display4 Implement Display5 Installation Static pres sure com pensation oFF op1 op3 Selected the option Change the set value Blank Save in EEPROM Night low noise oFF op1 o p12 Selected the option Cha...

Page 34: ...ting a function If use a function first install a Central controller Setting the ODU address Mode setting method Overall defrost mode Mode setting method Time Settings Master 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 Sav...

Page 35: ...ol op1 Increase capacity Increase capacity 3 C 2 C op2 Decrease power consumption Increase capacity 1 5 C 2 C op3 Decrease power consumption Decrease power consumption 2 5 C 4 C op4 Decrease power consumption Decrease power consumption 4 5 C 6 C Snow removal rapid defrost Mode setting method IDU capacity adjusting If the operation of indoor unit is more than 130 the air flow is oper ated as low in...

Page 36: ...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 1 7 Inlet Air temperature sensor of FAU Air temperature sensor of indoor unit is open or short Outdoor unit related error 2 1 Master Outdoor Unit Inverter Compressor IPM Fault Master Outdoor Unit Inverter Comp...

Page 37: ...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 inverter...

Page 38: ...Slave Unit signal at main PCB of Master Out door Unit 1 0 5 Master Outdoor Unit Fan PCB Communication Error Failing to receive fan signal at main PCB of Master unit 1 0 6 Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM 1 0 7 Master Outdoor Unit Fan DC Link Low Voltage Error Master Outdoor Unit Fan DC Link Input Voltage is under 380V 1 1 3 Master Outdoor ...

Page 39: ...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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