LG multi V ARUN080BSS0 Installation Manual Download Page 46

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PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT

ENGLISH

This function is used for creating vacuum in the system after compressor replacement, ODU
parts replacement or IDU addition/replacement.

Vacuum mode setting method

Vacuum mode off method

CAUTION

ODU operation stops during vacuum mode. Compressor can't operate.

Master unit PCB DIP switch on : No.5

Select the mode using ‘

▶

’, ‘

◀

’ Button :

“SVC” Push the ‘

●

’ button

Select the Function using ‘

▶

’, ‘

◀

’ Button : :

“Se3” Push the ‘

●

’ button

Start the vacuum mode : “VACC”

ODU V/V open

ODU EEV open

IDU EEV open

Dip switch off and push the reset button on PCB

Vacuum Mode

DIP SWITCH

7-Segment

SW01C ( : confirm)

SW02C ( : backward)

: forward)

SW04C ( X : cancel)

SW01D (reset)

SW03C (

1,MFL67798018,영영 2018. 6. 15. 영영 2:28 Page 46

Summary of Contents for multi V ARUN080BSS0

Page 1: ...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 thorough ly ENGLISH ESPAÑOL PORTUGUÊS 1 MFL67798018 영영 2018 6 15 영영 2 37 Page 1 ...

Page 2: ...for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You can find them on a lab...

Page 3: ...ll the air conditioner Improper installation by the user may result in water leakage electric shock or fire Always ground the product There is risk of fire or electric shock Always intstall a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock For re installation of the installed product always contact a dealer or an Authorized Service Center There is ris...

Page 4: ...ding the appropriate measures to prevent the safety limit from being ex ceeded Should the refrigerant leak and cause the safety limit to be exceeded harzards due to lack of oxygen in the room could result Operation Do not damage or use an unspecified power cable There is risk of fire electric shock explosion or injury Use a dedicated power cable for this appliance There is risk of fire or electric...

Page 5: ...may affect such equipment by creating noise that disturbs medical treatment or image broadcasting Do not install the product where it is exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Operation Do not use the air conditioner in special environments Oil...

Page 6: ...ration It can cause a burn or frostbite Do not operate the air conditioner with the panels or guards removed Rotating hot or high voltage parts can cause injuries Do not directly turn off the main power switch after stopping operation Wait at least 5 minutes before turning off the main power switch Otherwise it may result in water leakage or other problems Auto addressing should be done in conditi...

Page 7: ...Refrigerant charging 39 Distribution Method 40 Branch pipe Fitting 44 Leak Test and Vacuum drying 46 Vacuum Mode 47 Heat insulation of refrigerant piping 48 ELECTRICAL WIRING 48 Caution 50 Control box and connecting position of wiring 51 Communication and Power Cables 52 Wiring of main power supply and equipment capacity 53 Field Wiring 56 Installation of IO Module optional 57 Checking the setting...

Page 8: ...rmination of division work The vacuum pump used must have a capacity of reaching at least 5 torr more than 1 hour Vacuum drying Recharge correctly as calculated in this manual and record the amount of added refrigerant Additional charge of refrigerant Make sure there are no gaps left between the facing materials used on the ceiling Fit facing panels Run each indoor unit in turn to make sure the pi...

Page 9: ...OUTDOOR UNITS INFORMATION System HP 8 10 12 Model A C RUN080BSS0 A C RUN100BSS0 A C RUN120BSS0 Refrigerant Precharged Amount kg 3 5 4 5 6 lbs 7 7 9 9 13 2 Net weight kg 115 144 157 lbs 254 317 346 Dimensions WxHxD mm 950 x 1 380 x330 1 090 x 1 625 x 380 1 090 x 1 625 x 380 inch 37 4 x 54 3 x 13 0 42 9 x 64 0 x 15 0 42 9 x 64 0 x 15 0 Piping Connections Liquid Pipes mm inch Ø9 52 3 8 Ø9 52 3 8 Ø12 ...

Page 10: ... 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 The refrigerant R410A has the property of higher operating pressure in comparison with R22 Therefore all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also c...

Page 11: ... in case of in stalling the product at a place with a high humidity in winter near beach coast lake etc Ex Rooftop where sunshine always shines Performance of heating will be reduced and preheat time of the indoor unit may be length ened in case of installing the outdoor unit in winter at following location Shade position with a narrow space Location with much moisture in neighboring floor Locatio...

Page 12: ... of obstacles on the suction side 1 Stand alone installation 2 Collective installation 500 or less more 1 000 or c a 100 or more 100 or more 500 or less more 1 000 or 150 or more 150 or more c b 100 or more 200 or more 1 000 or more c 500 or less more 1 000 or 100 or more 1 000 or more 200 or more c Unit mm 8HP 10Hp 12HP a 100 or more 200 or more b 100 or more 300 or more c 300 or more 350 or more...

Page 13: ...charge side 1 Stand alone installation a 500 or less more 1 000 or a 2 Collective installation 1 000 or more 100 or more 500 or less 1 000 or more 1 000 or more 100 or more Unit mm 8HP 10Hp 12HP a 500 or more 700 or more 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 13 ...

Page 14: ...it 1 Stand alone installation H L 350 or more a L 500 or less 1 000 or more H 350 or more 1 000 or more 2 Collective installation L H 350 or more 1 000 or more 100 or more L 500 or less 1 000 or more H 350 or more 1 250 or more 100 or more L H L H L H L H Unit mm 8HP 10Hp 12HP a 500 or more 700 or more 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 14 ...

Page 15: ... installation 2 Collective installation H L 350 or more 1 500 or more 100 or more 500 or less more 1 000 or H L 350 or more 1 500 or more 100 or more H L 350 or more 1 000 or more 500 or less more 1 000 or H L 350 or more 1 000 or more L H L H L H L H Unit mm 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 15 ...

Page 16: ...l units leave space between each block as shown below considering passage for air and people 1 One row of stand alone installation 350 or more 2 000 or more 600 or more 1 000 or more 2 Rows of collective installation 2 or more L should be smaller than H L 350 or more 3 000 or more H 600 or more 1 500 or more 100 or more L H Unit mm 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 16 ...

Page 17: ...s installed at snowy area attach the hood to the system Install the outdoor unit at the higher installation console by 50cm than the average snowfall an nual average snowfall if it is installed at the area with much snowfall Where snow accumulated on the upper part of the Outdoor Unit by more than 10cm always remove snow for operation The height of H frame must be more than 2 times the snowfall an...

Page 18: ... fall Use 2 belts of at least 8 m long Place extra cloth or boards in the locations where the casing comes in contact with the sling to prevent damage Hoist the unit making sure it is being lifted at its center of gravity When carrying the suspended unit pass the ropes between legs of base panel under the unit Always lift the unit with ropes attached at four points so that impact is not applied to...

Page 19: ...ore being fixed The outdoor unit supports should have minimum height of 200mm Anchor bolts must be inserted at least 75mm At least 100mm At least 100mm At least 100mm At least 100mm At least 100mm At least 100mm Center of the Unit For outdoor units should not be supported only by the corner supports Center of the Unit a b c d 8HP 10Hp 12HP a 920 1 090 b 618 700 c 330 380 d 360 401 INSTALLATION Uni...

Page 20: ...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 removing Pallet Wood Support causes hazard of fire during welding WARNING Install where it can sufficiently support the weight of the outdoor unit If the support strength is not...

Page 21: ...the tubing Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as in dicated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Indoor unit kW Btu h Pipe A Gas Liquid Gas Liquid 5 6 19 100 1 2 1 4 0 5 0 8 0 0 5 16 0 54 600 5 8 3 ...

Page 22: ...essive 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 3 Make sure to tighten the cap securely pipe size tightening torque N m A mm flare shape Ø9 52 38 4 12 8 13 2 90 2 45 2 A R 0 4 0 8 Ø12 7 55 6 16 2 16 6 Ø15 88 75 7 19 3 19 7 CAUTION Always use a charge hose for service port connection After tightening the cap check t...

Page 23: ... C the heat resistance temperature Add the insulation over 10mm thickness at high humidity environment Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping Closing shutoff valve 1 Remove the cap and turn the valve clockwise with the hexagon wrench 2 Securely tighten the valve until the shaft contacts the main body seal 3 Make sure to tighten the cap securely For the ...

Page 24: ...ing of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the com pressor Do not cold and warm Counter measure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pip...

Page 25: ...rant oil Because it is flammable it is strictly prohibited to use Carbon dioxide Degrade the drying characteristics of gas Chevron Gas Toxic gas occurs when exposed to direct flame 2 Always use a pressure reducing valve 3 Please do not use commercially available antioxidant The residual material seems to be the oxide scale is observed In fact due to the organic acids generated by oxidation of the ...

Page 26: ... to open close the valve Refrigerant Charging Port Liquid pipe Gas pipe CAUTION Please block the pipe knock outs of the front and side panels after installing the pipes Animals or foreign objects may be brought in to damage wires WARNING Always careful not to leak the refrigerant during welding The refrigerant generates poisonous gas harmful to human body if combusted Do not perform welding in a c...

Page 27: ...ection Preparation Work Use Knock Outs of Base Pan of the outdoor unit for Left Right or Bottom pipe drawing outs Removal Area for Liquid Gas pipe bottom side connections Gas pipe Liquid pipe Wet towel CAUTION Do not give damage to the pipe base during the Knock Out work Proceed to pipe work after removing burr after Knock Out work Perform sleeve work to prevent damage to the wire when connecting ...

Page 28: ...ve the leakage prevention cap Gas pipe Service Port Liquid pipe Leakage Prevention Cap Liquid pipe Refrigerant Charging Port Gas pipe Pipe Drawing Out Method of drawing out pipes on the front side and right side Proceed with the pipe work as shown in the below figure for front side and right side pipe draw ing out Pipe Knock Out for Liquid Gas pipes 28 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR U...

Page 29: ... through base panel Method of drawing out pipes on the rear side Proceed with the pipe work as shown in the below figure for rear side pie drawing out Liquid pipe Gas pipe Remove only liquid gas pipe Knock out Pipe Knock Out for Liquid Gas pipes Pictures may differ depending on the model 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 29 ...

Page 30: ...onnecting pipe Connecting pipe size of indoor unit Outdoor unit capacity HP Liquid pipe mm inch Gas pipe mm inch 8 Ø9 52 3 8 Ø19 05 7 8 10 Ø9 52 3 8 Ø22 2 7 8 12HP Ø12 7 1 2 Ø28 58 11 8 Indoor unit capacity kW Btu h Liquid pipe mm inch Gas pipe mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 600 Ø9 52 3 8 Ø15 88 5 8 22 4 76 400 Ø9 52 3 8 Ø19 05 3 4 36 4 124 200 Ø9 52 3 8 Ø22 2 7 8 Indoor unit capac...

Page 31: ...a b c d e 300m L Longest pipe length Equivalent pipe length A B C D e 150m A B C D e 175m l Longest pipe length after 1st branch B C D e 40m H Difference in height Outdoor Unit Indoor Unit H 50m 40m Outdoor Unit is lower than Indoor Units h Difference in height Indoor Unit Indoor Unit h 15m Assume equivalent pipe length of Y branch to be 0 5m that of header to be 1m calcu lation purpose 1 MFL67798...

Page 32: ... must be increased according to below table The equivalent length between outdoor unit and the farthest indoor unit is 90m or more Liquid and Gas pipes are increased The level difference Outdoor unit Indoor unit is 50m or more Only liquid pipe is in creased 32 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT ENGLISH Refrigerant pipe diameter from outdoor unit to first branch A Outdoor unit total c...

Page 33: ...der WARNING Pipe length after header branching a f It is recommended that difference in length of the pipes connected to the Indoor Units is minimized Performance difference between Indoor Units may occur Total pipe length A a b c d e f 300m L Longest pipe length Equivalent pipe length A f 150m A f 175m l Longest pipe length after 1st branch f 40m H Difference in height Outdoor Unit Indoor Unit H ...

Page 34: ...s lower than Indoor Units h Difference in height Indoor Unit Indoor Unit h 15m Assume equivalent pipe length of Y branch to be 0 5m that of header to be 1m cal culation purpose Indoor Unit should be installed at lower position than the header WARNING It is recommended that difference of piping length for pipes connected to the Indoor Unit is minimized Performance difference between Indoor Units ma...

Page 35: ...pe mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 600 Ø9 52 3 8 Ø15 88 5 8 22 4 76 400 Ø9 52 3 8 Ø19 05 3 4 36 4 124 200 Ø9 52 3 8 Ø22 2 7 8 Refrigerant pipe diameter from outdoor unit to first branch A Outdoor unit total capacity HP Liquid pipe mm inch Gas pipe mm inch 8 Ø9 52 3 8 Ø19 05 3 4 10 Ø9 52 3 8 Ø22 2 7 8 12 Ø12 7 1 2 Ø28 58 11 8 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 35 ...

Page 36: ...2 3 8 Ø22 2 7 8 WARNING In case of pipe diameter B connected after first branch is bigger than the main pipe diame ter A B should be of the same size with A 36 PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT ENGLISH CAUTION Bending radius should be at least twice the diameter of the pipe Bend pipe after 500mm or more from branch or header Do not bend U type It may cause Performance unsatisfactory...

Page 37: ...e kg Total liquid pipe Ø9 52 mm x 0 061 kg m Total liquid pipe Ø6 35 mm x 0 022 kg m CF value of indoor unit Amount refrigerant of Indoor units Example 4Way Ceiling Cassette 14 5kW 1ea Ceiling concealed Duct w7 3kW 2ea Wall Mounted 2 3kW 4ea CF 0 64 1 0 26 2 0 24 4 2 12 kg Attach the additional refrigerant table of IDU CAUTION Do not connect 0 or 1 series of indoor unit ex ARNU 0 X ARNU 1 X 1 MFL6...

Page 38: ... position should be over 2m from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation system Limitation in piping work Prepare for earthquake and thermal stress Liquid pipe Gas pipe Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle Total amount of refrigerant in the system 0 44 kg m3 Volume of the ...

Page 39: ... branch pipes are attached vertically Header 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd 3nd Main pipe Distribution 1st 3rd 3rd main pipe distribution 2nd Horizontal Distribution Vertical Distribution The others Distribution Method 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 39 ...

Page 40: ... of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting section should be cut with a pipe cutter Branch pipe should be insulated with the insulator in each kit Ⓐ To Outdoor Unit Ⓑ To Indoor Unit The indoor unit having larger capacity must be in stalled closer to Ⓐ than smaller one If the diameter of the refrigerant piping selected by t...

Page 41: ... the insulator in each kit Joints between branch and pipe should be sealed with the tape included in each kit Any cap pipe should be insulated using the insulator provided with each kit and then taped as described above Pinched pipe B Horizontal plane View from point B in the direction of the arrow Insulate the header using the insulation material attached to the branch pipe kit as shown in the fi...

Page 42: ...7 I D12 7 I D19 05 I D15 88 I D12 7 I D19 05 O D12 7 I D6 35 I D15 88 371 394 83 11 0 70 2 3 3 2 ARBLN14521 471 517 125 120 130 I D19 05 I D15 88 I D12 7 I D19 05 I D22 2 I D41 3 I D38 1 I D41 3 O D34 9 I D34 9 I D34 9 I D22 2 I D28 58 I D28 58 I D38 1 I D41 3 I D34 9 I D38 1 O D22 2 O D38 1 O D15 88 O D28 58 90 2 3 3 3 2 2 3 416 444 96 O D15 88 I D9 52 I D12 7 O D12 7 I D6 35 I D9 52 I D15 88 I D...

Page 43: ... ID19 05 ID15 88 ID22 2 ID28 58ID25 4 120 120 150 360 ID9 52 ID9 52 ID6 35 ID6 35 ID9 52 ID12 7 7 branch ARBL107 120 150 160 580 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150 700 120 ID6 35 ID9 52 ID9 52 ID6 35 ID9 52 ID12 7 10 branch ARBL1010 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 10 ...

Page 44: ...lied and when the pressure drop is checked apply the following correction factor There is a pressure change of approximately 0 1 kg cm2 0 01 MPa for each 1 C of temperature difference Correction Temp at the time of pressurization Temp at the time of check X 0 1 For example Temperature at the time of pressurization 3 8 MPa is 27 C 24 hour later 3 73 MPa 20 C In this case the pressure drop of 0 07 i...

Page 45: ...ing If the system cannot be evacuated to 100 7kPa within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after main taining the system in vacuum for 1 hr Scale Use a graviometer One that can measure down to 0 1kg If you are unable to prepare such a high precision gravimeter you may use a charge cylinder Indoor unit Slave 1 outdoor unit M...

Page 46: ...eration stops during vacuum mode Compressor can t operate Master unit PCB DIP switch on No 5 Select the mode using Button SVC Push the button Select the Function using Button Se3 Push the button Start the vacuum mode VACC ODU V V open ODU EEV open IDU EEV open Dip switch off and push the reset button on PCB Vacuum Mode DIP SWITCH 7 Segment SW01C confirm SW02C backward forward SW04C X cancel SW01D ...

Page 47: ...all not be required Bad example Do not insulate gas or low pressure pipe and liquid or high pressurepipe together Liquid pipe Gas pipe Power cables Finishing tape Insulating material Communication cables Be sure to fully insulate connecting portion These parts are not insulated Good example Liquid pipe Communication cables Communication cables Separ ation Gas pipe Power cables Insulating material ...

Page 48: ...tiplecore cable the resultant poor trans mitting and receiving will cause erroneous operations mark in the figure below Only the communication cable specified should be connected to the terminal block for Outdoor Unit communication CAUTION Be sure to correct the outdoor unit to earth Do not connect ground wire to any gas pipe liquid pipe lightening rod or telephone earth line If earth is incomplet...

Page 49: ...ase by mistake check damaged parts in control box and replace them Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block Round pressure terminal Power cable When none are available follow 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 con...

Page 50: ...em When connecting communication cable between outdoor unit and indoor units with shielded cable connect the shield ground to the earth screw Side panel WARNING The temperature sensor for outdoor air should not be exposed to direct sunlight Provide an appropriate cover to intercept direct sunlight Indoor communication PCB Main PCB Terminal block Take care of the phase sequence of 3 phase 4 wire po...

Page 51: ...roportion to the additional length of cable involved If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the cable are laid inside conduits then the following point must also be taken into ac count when grouping various cable together for introduction into the conduits Power cable including power supply to air conditioner an...

Page 52: ...al outlet to disconnect each of indoor unit separately from the power supply CAUTION Some installation site may require attachment of an earth leakage breaker If no earth leakage breaker is installed it may cause an electric shock Do not use anything other than breaker and fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunction of unit or fire ...

Page 53: ...not the point to make ground connection WARNING Indoor Unit ground wires are required for preventing electrical shock accident during current leakage Communication disorder by noise effect and motor current leakage without connec tion 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 i...

Page 54: ...e Abnormal operation can be caused by com munication defect when connection of communication cable is installed like below figure STAR type Connection of communication cable must be installed like below figure between indoor unit to outdoor unit 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 54 ...

Page 55: ...sulation sleeves attachment Power Ground cable Power Ground cable View A A Communication cable Over 50mm gap Fix firmly not to be displaced ODU IDU Communication cable Hold power cable Communication cable Main power Terminal block Hold Communication cable Ground wire Fix firmly not to be displaced Over 50mm gap Power Ground cable Communication cable Over 50mm gap Power Ground cable Communication c...

Page 56: ...wo clamp cords 105mm Connect the connection wires according to the instructions Please refer to Setting and Using Method About more information of IO Module please refer to IO Module manual CAUTION Be sure to turn off outdoor unit power before installation Pictures may differ depending on the model 1 MFL67798018 영영 2018 6 15 영영 2 28 Page 56 ...

Page 57: ...he 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 For example represents R410A 10HP Initial display order Example ARUN100BSS0 Order No Note 4 12 Model capacity 1 Cooling only 2 Heat pump 38 380V 46 460V 22 220V 1 Standard 5 Cold temperature area 6 Tropical 10 2 22 1 1 ...

Page 58: ...gment LED of the outdoor unit PCB After completing addressing address of each indoor unit is indicated on the wired remote con trol display window CH01 CH02 CH03 CH06 Indicated as numbers of connected in door units Heat Pump MAIN PCB DIP SWITCH 7 Segment SW01C confirm SW02C ඔ backward SW03C ඖ forward SW04C cancel SW01D reset CAUTION In replacement of the indoor unit PCB always perform Automatic ad...

Page 59: ...wired remote control or indoor unit display window It is not an error message will disappeared when on off button is pressed on remote control ex Display of 01 02 15 means connection of 15 indoor units and Automatic addressing is completed normally Automatic addressing start Waiting 3 minutes Power On Press RED Button for 5 s SW01C 7 segment LED 88 Don t press RED Button SW01C Waiting about 2 7 mi...

Page 60: ...change the set value blank save in EEPROM Snow removal rapid defrost oFF op1 op3 selected the option change the set value blank save in EEPROM Target pressure adjusting oFF op1 op6 selected the option change the set value blank save in EEPROM Functions save in EEPROM will be kept continuously though the system power was reset Dip switch 3 can be OFF except when installing the only 4 series indoor ...

Page 61: ...f Indoor Units into a group set the group ID from 0 to F for this pur pose Outdoor Units Main PCB Example Group number setting 1st number indicate the group number 2nd number point out indoor unit number SODU B SODU A IDU B IDU A CEN B CEN A DRY1 DRY2 GND 12V B D A C 1 F Group Indoor unit Group recognizing the central controller No 0 group 00 0F No 1 group 10 1F No 2 group 20 2F No 3 group 30 3F N...

Page 62: ...mode is set Function setting Switch control Function Switch up Switch down oFF op1 mode op2 mode Right side on Left side off Not operate Cooling Cooling Right side on Right side on Not operate Heating Heating Left side off Not operate Fan mode Off CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode If use a function first install a Cool Heat selector...

Page 63: ...tting method 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 Select the Option using Button op1 op3 Push the button Start the Static pressure compensation mode Save the selected option value in EEPROM Capacity 8HP 10 12HP Max RPM Standard 800 650 op1 850 700 op2 750 1 MFL67798018 ...

Page 64: ... Fn3 Push the button Select the Option using Button op1 op15 Push the button Start the Night low noise function Save the selected option value in EEPROM Step Judgement 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 5 op9 5 12 op10 continuous operation op11 continuous operation op12 continuous operation op13 6 5 10 5 op14 6 5 10 5 op15 6 5 1...

Page 65: ... mode using Button Func Push the button Select the Function using Button Fn5 Push the button Select the Option using Button 0 254 Push the button ODU address is set CAUTION Ask an authorized technician to setting a function If use a function first install a Central controller 1 MFL67798018 영영 2018 6 15 영영 2 29 Page 65 ...

Page 66: ...ion using Button Fn6 Push the button Select the Option using Button oFF op1 op3 Push the button Mode is set CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode Mode setting Setting Mode OFF Not setting op1 Snow removal mode op2 Rapid defrost mode op3 Snow removal mode Rapid defrost mode 1 MFL67798018 영영 2018 6 15 영영 2 29 Page 66 ...

Page 67: ...ton Select the Function using Button Fn8 Push the button Target pressure is set Select the Option using Button HEAT COOL Push the button CAUTION Ask an authorized technician to setting a function If do not use a function set an off mode Change a power consumption or capacity Setting Mode low pressure kPa high pressure kPa off 778 2 990 op1 699 3 121 op2 739 2 827 op3 843 2 696 op4 908 2 565 op5 96...

Page 68: ... PCB 0 4 Drain pump Malfunction of drain pump 0 5 Communication error outdoor unit indoor unit Failing to receive outdoor unit signal in indoor unit PCB 0 6 Outlet pipe temperature sensor of in door 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 EEP ROM of Indoor unit is 0 or FFFFFF 1 0 Poor fan motor operation D...

Page 69: ...hort 4 4 1 Outdoor Unit Air Temperature Sen sor Fault Outdoor Unit Air Temperature Sensor open or short 4 5 1 Outdoor Unit Heat Exchanger Tem perature Sensor Front side Fault Outdoor Unit Heat Exchanger Temperature Sensor Front side open or short 4 6 1 Outdoor Unit Suction Temperature Sensor Fault Outdoor Unit Suction Temperature Sensor open or short 5 0 1 Omitting connection of R S T power of Out...

Page 70: ...e of operation mode conver sion at Outdoor Unit Outdoor Unit Failure of operation mode conversion at Outdoor Unit Display Title Cause of Error 6 7 1 Outdoor Unit Fan Lock Restriction of Outdoor Unit 7 1 1 Converter CT Sensor Error of Out door Unit Converter CT Sensor open or short of Outdoor Unit 8 6 1 Outdoor Unit Main PCB EEPROM Error Communication Fail Between Outdoor Unit Main MICOM and EEPROM...

Page 71: ...refrigerant systems and each system is independent amount of replenished refrigerant of each system shall be adopted Amount of replenished refrigerant per one outdoor unit system Amount of replenished refrigerant at factory shipment Amount of additionally replenished refrigerant depending on piping length or piping diameter at customer Outdoor unit Indoor unit Outdoor unit Indoor unit Opening Part...

Page 72: ...cing the outdoor refrigerant qty R410A Refrigerant concentration kg m3 Total amount of replenished refrigerant in refrigerant facility kg Capacity of smallest room where indoor unit is installed m3 In case the result of calculation exceeds the limiting concentration perform the same calculations by shifting to the second smallest and the third smallest rooms until at last the result is below the l...

Page 73: ...y air flow Select a well drained place 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 inefficient performa...

Page 74: ...74 ENGLISH 1 MFL67798018 영영 2018 6 15 영영 2 29 Page 74 ...

Page 75: ...lizar o descarte ade quado de parelhos celulares pilhas e baterias 3 Através do Programa Coleta Inteligente a LG disponíbiliza pontos de coleta em localidades diversas incluindo assistências técnicas autorizadas da LG Electron ics Para mais informações visite o site www lge com br coleta seletivaou contate nosso SAC através do número 4004 5400 Capitais e Regiòs metropolitanas ou 0800 707 5454 dema...

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