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LG Multi V 5 ARUV144BTE5 Installation Manual Download Page 38

38

ENGLISH

Display

Title

Cause of Error

1

0

7

*

Outdoor Unit Fan DC Link Low Voltage Error

Outdoor Unit Fan DC Link Input Voltage is under 50V

1

1

3

*

Outdoor Unit Liquid pipe Temperature Sensor Error

Liquid pipe temperature sensor of Outdoor Unit is open or short

1

1

4

*

Outdoor Unit Subcooling Inlet Temperature
Sensor Error

Outdoor Unit Subcooling Inlet Temperature Sensor Error

1

1

5

*

Outdoor Unit Subcooling Outlet Temperature
Sensor Error

Outdoor Unit Subcooling Outlet Temperature Sensor Error

1

1

6

*

Outdoor Unit Oil Level Sensor Error

Oil Level Sensor of Outdoor Unit is open or short

1

4

5

*

Outdoor unit Main Board - External Board
communication Error

Outdoor unit Main Board - External Board communication Error

1

5

0

*

Outdoor Unit Discharge Superheat not satisfied

Outdoor Unit Compressor Discharge Superheat not satisfied
during 5 Min.

1

5

1

*

Failure of operation mode conversion at Outdoor
Unit

Failure of operation mode conversion at Outdoor Unit

1

5

3

*

Outdoor Unit Heat Exchanger Temperature
Sensor (upper part) Fault

Outdoor Unit Heat Exchanger Temperature Sensor (upper part)
Fault

1

5

4

*

Outdoor Unit Heat Exchanger Temperature
Sensor (lower part) Fault

Outdoor Unit Heat Exchanger Temperature Sensor(lower part)
open or short

1

8

2

*

Outdoor unit External Board Main-Sub Micom
communication Error

Outdoor Unit Main Board Main-Sub Micom communication
failed

1

8

7

*

Hydro - Kit P,HEX bursting error

Inlet water temperature is below 5 degree or water temperature
error during defrosting operation.

1

9

3

*

Outdoor Unit Fan Heatsink High Temperature

System is turned off by Outdoor Unit Fan Heatsink High
Temperature

1

9

4

*

Outdoor Unit Fan Heatsink Temperature Sensor
Fault 

Outdoor Unit Fan Heatsink Temperature Sensor open or short

Network error

2

4

2

*

Network error of cntral controller

Communication wiring defect

Outdoor unit related error

1,MFL67221443,영영  19. 1. 31.  영영 11:48  Page 38

Summary of Contents for Multi V 5 ARUV144BTE5

Page 1: ...efore 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 Cooling Only Original instruction MFL67221443 Rev 00_011719 ENGLISH ESPAÑOL PORTUGUÊS 1 MFL67221443 영영 19 1 31 영영 11 47 Page 1 ...

Page 2: ... 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 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 pa...

Page 3: ... or outlet It may cause failure of appliance or accident Make the connections securely so that the outside force of the cable may not be applied to the terminals Inadequate connection and fastening may generate heat and cause a fire Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure or per...

Page 4: ...ermal insulation of refrigerant piping 21 ELECTRICAL WIRING 21 Caution 23 Control box and connecting position of wiring 23 Communication and Power Cables 24 Wiring of main power supply and equipment capacity 24 Field Wiring 29 Checking the setting of outdoor units 30 Automatic Addressing 30 The Procedure of Automatic Addressing 31 High Static Pressure Compensation mode 31 Night Low Noise Function ...

Page 5: ...nt any unapproved pipe must not be used Do not heat pipes more than necessary to prevent them from softening Be careful not to install wrongly to minimize economic loss because it is expensive in comparison with R22 OUTDOOR UNITS INFORMATION The foundation must be level even Outdoor unit foundation work Avoid short circuits and ensure sufficient space is allowed for service Installation of outdoor...

Page 6: ...1 16 E 100 3 15 16 F 1200 47 1 4 Only 2 sides are walls A 10 13 32 B 300 11 13 16 A 10 13 32 B 300 11 13 16 E 20 25 32 500 19 11 16 D F E G 500 19 11 16 D H H F E G 500 19 11 16 D H F E I G 500 19 11 16 D H F E I G 500 19 11 16 D F E I G 500 19 11 16 D H F E I G 500 19 11 16 D H H F E I G 500 19 11 16 D E 500 19 11 16 D H H E Front Front Front Front Front Front Front Front Front Front Front Front ...

Page 7: ...g the seasonal wind When carrying the suspended unit pass the ropes under the unit and use the two suspension points each at the front and rear Always lift the unit with ropes attached at four points so that impact is not applied to the unit Attach the ropes to the unit at an angle of 40 or less Locking points for transportation ropes Forklift Carrying Guide Forklift Carrying Hole LIFTING METHOD B...

Page 8: ... side Ⓔ H beam support Ⓕ Concrete support Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit Base panel before fixing the bolt It may cause the unstable state of the outdoor settlement and may cause freezing of the heat exchanger resulting in abnormal operations Be sure to remove the Pallet Wood Support of the bottom side of the outdoor unit before welding Not removin...

Page 9: ...ecting 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 heat resistance over 120 C 248 F 2 Precautions in high humidity circumstance This air conditioner has been tested according to the ISO Con...

Page 10: ...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 It prevents normal 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 Always use the nitrogen not use oxygen carbon dioxide and a Ch...

Page 11: ...ch piping or indoor unit A B Facing upwards Facing downwards Viewed from point A in direction of arrow Within 10 2 Commercially available piping often contains dust and other materials Always blow it clean with a dry inert gas 3 Use care to prevent dust water or other contaminants from entering the piping during installation 4 Reduce the number of bending portions as much as possible and make bend...

Page 12: ...ts and do not use flux If not oxidized film can cause clogging or damage to the compressor unit and flux can harm the copper piping or refrigerant oil A B WARNING When installing and moving the air conditioner to another site be sure to make recharge refrigerant after perfect evacuation If a different refrigerant or air is mixed with the original refrigerant the refrigerant cycle may malfunction a...

Page 13: ...tdoor units ARCNN31 Ⓖ Connection branch pipe between Outdoor units ARCNN21 Y branch method Slave3 Slave2 Slave1 Master Indoor Unit C C l 40 m 131 ft 90m 295 ft H 110 m 361 ft L 150 m 492 ft 200 m 656 ft h 40 m 131 ft 10 m or less ODU Capacity Master Slave 1 Slave 2 Slave 3 F E G C C C C C h See Table 4 Series Outdoor Units 2 Units 4 Units Combination of Y branch header Method Ⓐ Outdoor Unit Ⓑ 1st ...

Page 14: ... Pipe mm inch Gas Pipe mm inch Liquid Pipe mm inch Gas Pipe mm inch 8 Ø 9 52 3 8 Ø 19 05 3 4 Ø 12 7 1 2 Ø 22 2 7 8 Ø 12 7 1 2 Not increased 10 Ø 9 52 3 8 Ø 22 2 7 8 Ø 12 7 1 2 Ø 28 58 1 1 8 Ø 12 7 1 2 Not increased 12 16 Ø 12 7 1 2 Ø 28 58 1 1 8 Ø 15 88 5 8 Ø 34 9 1 3 8 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 34 9 1 3 8 Ø 19 05 3 4 Not increased 24 Ø 15 88 5 8 Ø 34 ...

Page 15: ...units is 10 m 32 8 ft or less Pipes between outdoor units are 2 m 6 6 ft or less 2 m 6 6 ft or less If the distance between the outdoor units becomes more than 2 m 6 6 ft apply Oil Traps between the gas pipes If the outdoor unit is located lower than the main pipe apply Oil Trap Pipes between outdoor units are 2 m 6 6 ft or longer Oil Trap Oil Trap Oil Trap 2 m 6 6 ft or less 2m 6 6ft orless 2m 6 ...

Page 16: ...ze of the joint the connecting section should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit Branch pipe Fitting 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 B Header A B C Ⓐ To Outdoor Unit Ⓑ To Indoo...

Page 17: ... 52 3 8 I D 9 52 3 8 I D 6 35 1 4 ARBLN23220 O D 28 58 1 1 8 I D 22 2 7 8 115 4 17 32 X2 100 4 11 32 O D 15 88 5 8 I D 12 7 1 2 70 2 3 4 O D 22 2 7 8 I D 15 88 5 8 I D 19 05 3 4 120 4 23 32 O D 38 1 1 1 2 I D 34 9 1 3 8 I D 28 58 1 1 8 O D 44 48 1 3 4 X2 175 6 7 8 I D 31 8 1 1 4 I D 53 98 2 1 4 I D 25 4 1 I D 44 48 1 3 4 I D 44 48 1 3 4 I D 38 1 1 1 2 I D 41 3 1 5 8 I D 44 48 1 3 4 I D 38 1 1 1 2 ...

Page 18: ...s pipe Liquid side Gas side Close Close Close Close When inserting nitrogen gas of high pressure it must be used with regulator This function is used for creating vacuum in the system after compressor replacement ODU parts replacement or IDU addition replacement Vacuum mode setting method SW01C Ɨ Confirm Automatic Addressing SW02C ȭ backward SW04C X cancel DIP SW01 7 Segment SW01D reset SW03C ȯ fo...

Page 19: ...rigerant For the refrigerant additional charge Too much or too little refrigerant will cause trouble To use the Vacuum Mode If the Vacuum mode is set all valves of Indoor units and Outdoor units will be opened 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 Flammable gases Otherwise it may cause fire or explosion There is th...

Page 20: ...lation system or building ventilation system Limitation in piping work Prepare for earthquake and thermal stress Volume of the room at which Indoor Unit of the least capacity is installed Total amount of refrigerant in the system 0 44 kg m3 0 028 lbs ft3 Attach the additional refrigerant table of IDU Bad example Do not insulate gas or low pressure pipe and liquid or highpressure pipe together Be s...

Page 21: ...x of Indoor and Outdoor Units because the box is sometimes removed at the time of service work Never connect the main power source to terminal block of communication cable If connected electrical parts will be burnt out Use the 2 core shielded wires for communication cable mark in the figure below If communication cable of different systems are wired with the same multiplecore cable the resultant ...

Page 22: ...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 for tightening the ...

Page 23: ... in the signal wiring caused by electrostatic and electromagnetic coupling The tables below indicates our recommendation as to appropriate spacing of communication and power cables where these are to be run side by side Communication and Power Cables Communication cable Types shielded wires or unshielded wires Cross section 1 0 1 5 mm2 1 55 10 3 2 32 10 3 in2 Maximum allowable temperature 60 C 140...

Page 24: ... Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Outdoor Unit Indoor Units Power supply 3 Phase 3 Wires 50 Hz 220 240 V 60 Hz 220 V Power supply 1 Phase 50 Hz 220 240 V 60 Hz 220 V Main Switch Pull box Installer option Pull box Installer option Pull box Installer option L L1 N L2 R L1 S L2 T L3 3 A 4 B A B 3 A 4 B 3 A 4 B 3 A 4 B Master Outdoor Unit SODU B SODU A IDU B IDU A CEN B CE...

Page 25: ...rrupt 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 momentary blackout or the power goes on and off while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other p...

Page 26: ...r unit ground lines are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connection to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit separately from the power supply Install the main switch that can interrupt all the power sources in an integrated manner...

Page 27: ...ines are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connection to pipe Don t install an individual switch or electrical outlet to disconnect each of indoor unit separately from the power supply Install the main switch that can interrupt all the power sources in an integrated manner because this s...

Page 28: ... panel Gap Over 50 mm 1 97 Front Side Fix firmly with cable tie or clamp cord not to be displaced Main power line connection Communication Ground wire connection Master Outdoor Unit SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V Master Outdoor Unit SODU B SODU A IDU B IDU A CEN ...

Page 29: ...omatic Addressing Setting Quick control Setting In the factory setting main PCB DIP switch setting is all OFF Check and make sure that all the indoor unit model name are ARNU 4 Change the main PCB DIP switch No 3 OFF ON like below picture Push the reset button 7 segment DIP Switch Reset button Initial display order Example ARUV603BTE R 5 50RT 60 hp 220 V Cooling Only System Master unit 18 HP 14 RT...

Page 30: ...essing has to be performed after more than 3 minutes to improve indoor unit communition when initial power is supplied Please be sure that all the DIP switch 1 7 of master outdoor unit is OFF before Automatic Addressing setting Setting the optional function Select the mode function option value using Button and confirm that using the button after DIP switch No 5 is turned on SW01C Ɨ Confirm Automa...

Page 31: ... vACC 1time 1 Selection Functions save in EEPROM will be maintained continuously though the system power was reset To perform the otional funtion should be sure that All the IDU is off mode unless the function will not be performed FAN Maximum RPM of each step Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn2 Push the button S...

Page 32: ...capacity 2 C 35 6 F 3 C 37 4 F op2 Decrease power consumption Increase capacity 2 C 35 6 F 1 5 C 34 7 F op3 Decrease power consumption Decrease power consumption 4 C 39 2 F 2 5 C 36 5 F op4 Decrease power consumption Decrease power consumption 6 C 42 8 F 4 5 C 40 1 F Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Option using Button op1 op4 Push the...

Page 33: ...set Function setting Setting Inverter Hz oFF op1 143 Hz op2 135 Hz op3 128 Hz op4 120 Hz op5 113 Hz op6 105 Hz op7 98 Hz op8 90 Hz op9 83 Hz Ask an authorized technician to setting a function If use a function first install a Central controller Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using Button Fn13 Push the button Select the Optio...

Page 34: ... mode using Button Func Push the button Select the Function using Button Fn16 Push the button Select the Option using Button Fn19 Push the button Select the Option using Button on oFF Push the button Central Control Connection at Indoor Unit side Mode is set Compressor Input Current Limit Master unit PCB DIP switch on No 5 Select the mode using Button Func Push the button Select the Function using...

Page 35: ...capacity mid Power consumption mid 3 Cooling capacity high Power consumption high Master unit PCB DIP switch on No 5 Select the mode using Button Idu Push the button Select the Function using Button Id10 Push the button EEV pulse appearing seg1 seg2 Idu No seg3 seg4 Mode Select the Function using Button Idu No setting and Push the button Select the Function using Button Mode setting and Push the b...

Page 36: ... 5 Communication error outdoor unit indoor unit Failing to receive outdoor unit signal in indoor unit PCB 0 6 Outlet pipe temperature sensor of indoor unit Outlet pipe temperature sensor of indoor unit is open or short 0 8 Hydro Kit Hot water storage tank Temperature sensor Pipe temperature sensor is open or short 0 9 Indoor EEPROM Error In case when the serial number marked on EEPROM of Indoor un...

Page 37: ... S T power of Outdoor Unit Omitting connection of outdoor unit 5 1 Excessive capacity of indoor units Excessive connection of indoor units compared to capacity of Outdoor Unit 5 2 Communication error inverter PCB Main PCB Failing to receive inverter signal at main PCB of Outdoor Unit 5 3 Communication error indoor unit Main PCB of Outdoor Unit Failing to receive indoor unit signal at main PCB of O...

Page 38: ... 1 5 1 Failure of operation mode conversion at Outdoor Unit Failure of operation mode conversion at Outdoor Unit 1 5 3 Outdoor Unit Heat Exchanger Temperature Sensor upper part Fault Outdoor Unit Heat Exchanger Temperature Sensor upper part Fault 1 5 4 Outdoor Unit Heat Exchanger Temperature Sensor lower part Fault Outdoor Unit Heat Exchanger Temperature Sensor lower part open or short 1 8 2 Outdo...

Page 39: ...lows out CAUTION FOR REFRIGERANT LEAK The installer and system specialist shall secure safety against leakage according to local regulations 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 refri...

Page 40: ...in areas where corrosive gases such as acid or alkaline gas are produced Avoid installing 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 inefficient operation If outdoor unit is installed close to the seaside should avoid direct exposure to th...

Page 41: ...1 MFL67221443 영영 19 1 31 영영 11 47 Page 1 ...

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