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New Function

3. Independent power module

The main PCB controls the EEV kit when the power is turn on.

The independent sub PCB controls the EEV kit when the power is turn off.

“ If the power Cut-off, then product need to close EEV.” 

power 
Plug 

1st 

2nd 

3rd 

A/C 
Switch 

Main 
Switch 

3 phase  

400V 

4th 

1st 

2nd 

3rd 

A/C 
Switch 

Main 
Switch 

1 phase 

220V 

… 

ODU 

Each room 

Switch BOX 

Each room 

power 
Plug 

Switch BOX 

Concept of independent  
power module  

independent power module (option)  

independent power module (option)  

ENGLISH

Installation Manual   

77

Содержание Multi V ARUN100LM3

Страница 1: ...rmed 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 www lg com MODELS ARUN LM3 Series Solo Heat Pump P NO MFL46912331 ENGLISH ITALIANO ESPAÑOL FRANCAIS DEUTSCH PORTUGUESE РУССКИЙ ЯЗЫК ...

Страница 2: ...ment friendly Alternative Refrigerant R410A 9 Select the Best Location 9 Installation Space 10 Lifting method 12 Installation 13 Refrigerant piping installation 18 Pipe connections between indoor and outdoor unit 21 Electrical Wiring 36 Test Run 52 New Function 69 Caution For Refrigerant Leak 78 Installation guide at the seaside 80 2 Outdoor Unit Solo Heat Pump ...

Страница 3: ...r an authorized technician to install 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 Aut...

Страница 4: ...r electrical shock Be cautious that water could not enter the product There is risk of fire electric shock or product damage Do not touch the power switch with wet hands There is risk of fire electric shock explosion or injury When installing and moving the air conditioner to another site do not charge it with a different refrigerant from the refrigerant specified on the unit If a different refrig...

Страница 5: ...e The inverter equipment private power generator high frequency medical equipment or radio communication equipment may cause the air conditioner to operate erroneously or fail to operate On the other hand the air conditioner 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 directl...

Страница 6: ...g so may cut your fingers When transporting the outdoor unit suspending it at the specified positions on the unit base Also support the outdoor unit at four points so that it cannot slip sideways Do not touch any of the refrigerant piping during and after operation It can cause a burn or frostbite Do not operate the air conditioner with the panels or guards removed Rotating hot or high voltage par...

Страница 7: ...le for switch setting Determination 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 i...

Страница 8: ... 415V 50Hz 3Ø 380V 60Hz 8 Outdoor Unit Solo Heat Pump Unit System HP Model Product Charge kg Max Connectable No of Indoor Units Net Weight kg lbs Dimensions WxHxD mm inch Connecting Pipes Liquid Pipes mm inch Gas Pipes mm inch 1 Outdoor unit 8 10 12 ARUN80LM3 ARUN100LM3 ARUN120LM3 ARUN80LM3 ARUN100LM3 ARUN120LM3 5 0 5 5 5 5 13 16 20 175 x 1 218 x 1 218 x 1 385 x 1 480 x 1 480 x 1 920 x 1 680 x 760...

Страница 9: ...entilated and having a lot of sunshine in case of installing the product at a place With a high humidity in winter near beach coast lake etc Ex Rooftop where there is always sunshine 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 ...

Страница 10: ...all Front 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 side Additional Space on the inlet side by 1 2 of h1 Additional Space on the front side by...

Страница 11: ...system may malfunction If it is 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 annual 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 1 The height of H frame must be mo...

Страница 12: ...not touch heat exchanger fins with your bare hands Otherwise you may get a cut in your hands Tear plastic packaging bag and scrap it so that children cannot play with it Otherwise plastic packaging bag may suffocate children to death When carrying in Outdoor Unit be sure to support it at four points Carrying in and lifting with 3 point support may make Outdoor Unit unstable resulting in a fall Use...

Страница 13: ...shall have width of at least 100mm under the unit Øs legs before being fixed The outdoor unit supports should have minimum height of 200mm Anchor bolts must be inserted at least 75mm For outdoor units of 23kW or above should not be supported only by the corner supports At least 100mm At least 100mm At least 100mm At least 100mm 730 760 65 65 Unit mm At least 65 At least 65 Chassis Capacity HP A mm...

Страница 14: ...and the passages of the pipe and wiring when making the ground support Do not use tube or pipe for water outlet in the Base pan Use drainage instead for water outlet The tube or pipe may freeze and the water may not be drained WARNING At least 200mm 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 ...

Страница 15: ...aring tool as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 4 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 Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the following procedure Pipe A Gas Liquid Gas Liquid 5 6 19 100 1 2 1...

Страница 16: ...g has been connected use nitrogen to perform a gas leak check Tightening torque CAUTION Always use a charge hose for service port connection After tightening the cap check that no refrigerant leaks are present When loosening a flare nut always use two wrenches in combination When connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut When connecting a ...

Страница 17: ...y default However if it is operated for a long time in high humid atmosphere dew point temperature more than 23 C water drops are liable to fall In this case add heat insulation material according to the following procedure Heat insulation material to be prepared EPDM Ethylene Propylene Diene Methylene over 120 C the heat resistance temperature Add the insulation over 10mm thickness at high humidi...

Страница 18: ...oor pipe and the branching parts Use hexagonal wrench to open close the valve 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 closed space Be sure to close the cap of the service port to prevent gas leakage after the work CAUTION Please block the pipe knock outs of the front and...

Страница 19: ...ection and then use an adapter for connecting different diameters to connect the piping 7 Always observe the restrictions on the refrigerant piping such as rated length difference in height and piping diameter Failure to do so can result in equipment failure or a decline in heating cooling performance 8 A second branch cannot be made after a header These are shown by 9 The Multi V will stop due to...

Страница 20: ...ng 12 Always insulate the piping properly Insufficient insulation will result in a decline in heating cooling performance drip of condensate and other such problems 13 When connecting the refrigerant piping make sure the service valves of the Outdoor Unit is completely closed the factory setting and do not operate it until the refrigerant piping for the Outdoor and Indoor Units has been connected ...

Страница 21: ...ing outs Refrigerant Pipe Regulator Nitrogen Nitrogen Direction Taping Valve Remove Area for Liquid Gas pipe Bottom side connections Pipe connections between indoor and outdoor unit Preparation Work Pipe connections between indoor and outdoor unit ENGLISH Installation Manual 21 n Remove leakage prevention cap Remove the leakage prevention cap attached to the outdoor unit service valve before pipe ...

Страница 22: ...or front side pipe drawing out Method of drawing out pipes Pipe connections between indoor and outdoor unit 22 Outdoor Unit Solo Heat Pump Liquid pipe Gas pipe Pipe Knock Out for Liquid Gas pipes Remove only Liquid Gas pipe knock out View without base pan View without Side Panel n Figure of Sides when drawing out through bottom pipe Liquid Pipe Gas Pipe ...

Страница 23: ...anch Y branch Ⓒ Indoor Units Ⓓ Downward Indoor Unit Ⓐ Outdoor Unit Ⓑ 1st branch Ⓒ Indoor Units Ⓓ Sealed piping u Header Method L 100m 40m H 50m l 40m H 50m L100m u Combination of Y branch header method Ⓐ Outdoor Unit Ⓑ 1st branch Y branch Ⓒ Y branch Ⓓ Indoor Unit Ⓔ Header Ⓕ Sealed piping L 100m l 40m L 50m Branch pipe can not be used after header ...

Страница 24: ...0 Ø9 52 3 8 Ø22 2 7 8 33 6 172 000 Ø12 7 1 2 Ø25 58 1 1 8 Ú Refrigerant pipe diameter from branch to branch B C D Downward Indoor Unit total capacity kW Btu h 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 33 6 114 700 Ø9 52 3 8 Ø22 2 7 8 50 4 172 000 Ø12 7 1 2 Ø28 58 11 8 Liquid pipe mm inch Gas pipe mm inch u Outdoor unit Connection WARNING In ca...

Страница 25: ...64 1 0 26 2 0 24 4 2 12 kg CF value of indoor unit unit kg Capacity Btu h kW 5k 7k 9k 12k 15k 18k 24k 28k 36k 42k 48k 76k 96k Type 1 6 2 2 2 8 3 6 4 5 5 6 7 1 8 2 10 6 12 3 14 1 22 4 28 0 Ceiling Concealed Duct Low Static 0 17 0 17 0 17 0 17 0 37 0 37 Ceiling Concealed Duct High Static 0 26 0 26 0 26 0 26 0 26 0 26 0 44 0 44 0 44 0 62 1 00 1 00 Wall Mounted 0 24 0 24 0 24 0 24 0 28 0 28 1Way Ceili...

Страница 26: ...are for earthquake and thermal stress Total amount of refrigerant in the system 0 44 kg m3 Volume of the room at which Indoor Unit of the least capacity is installed Add exact amount of refrigerant calculated by the installation pipe diameter length and the indoor combination If the refrigerant amount is not exact it may not operate properly If additionally bottled refrigerant amount is over 10 co...

Страница 27: ...ation Manual 27 1 Line Distribution 2 Vertical Distribution Ensure that the branch pipes are attached vertically 3 The others Header 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd 2nd Main pipe Distribution 1st 3rd 3rd main pipe distribution 2nd Distribution Method ...

Страница 28: ...iameter 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 When the number of pipes to be connected is smaller than the number of header branches install a cap to the unconnected branches The indoor unit having larger capacity mu...

Страница 29: ... Header should be insulated with 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 B Pinched pipe Horizontal plane View from point B in the direction of the arrow Insulate the header using the insulation material attached to the br...

Страница 30: ...D22 2 I D25 4 70 80 110 1 2 3 3 1 2 I D9 52 I D12 7 5 3 6 D I 2 5 9 D I I D9 52 I D12 7 I D6 35 I D12 7 332 321 74 376 404 96 I D34 9 O D31 8 I D22 2 O D22 2 I D28 58 I D31 8 O D19 05 I D28 58 120 90 120 I D31 8 2 2 2 D I 8 5 8 2 D I I D19 05 I D15 88 I D12 7 I D19 05 I D15 88 2 3 1 2 1 3 2 5 9 D I 2 5 9 D I 7 2 1 D O I D15 88 I D19 05 I D12 7 I D12 7 I D19 05 I D15 88 I D12 7 I D19 05 O D12 7 I D...

Страница 31: ... 7 ID19 05 ID15 88 ID22 2 ID28 58 ID25 4 120 120 150 360 ID9 52 ID9 52 ID6 35 ID6 35 ID9 52 ID12 7 120 150 120 ID15 88 ID12 7 ID15 88 ID12 7 ID15 88 ID19 05 120 150 120 ID6 35 ID9 52 ID9 52 ID12 7 120 150 160 580 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 7 120 150 160 760 ID19 05 ID15 88 ID15 88 ID12 7 ID22 2 ID28 58 ID25 4 120 150...

Страница 32: ... the ambient temperature differs between the time when pressure is applied 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 ...

Страница 33: ...er the pipe during work in the rainy season or over a long period of time After evacuating the system for 2 hrs give pressure to the system to 0 05MPa vacuum break with nitrogen gas and then evacuate it again with the vacuum pump for 1hr to 100 7kPa vacuum drying 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 g...

Страница 34: ...ion replacement Outdoor unit PCB DIP switch ON DIP switch No 10 12 13 Vacuum mode setting ODU V V OPEN Main EEV SC EEV OPEN IDU EEV OPEN ODU power reset Press the black button Main PCB 5 sec Vacuum mode setting method Vacuum mode cancellation method Outdoor unit PCB DIP switch OFF DIP switch No 10 12 13 Power reset Vacuum mode cancellation CAUTION ODU operation stops during vacuum mode Compressor ...

Страница 35: ... cutting part of heat insulation material with a finishing tape Power lines E D D B A C Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat resistant polyethylene so that no gap is observed in the joint between indoor unit and insulating material and insulating materials themselves When insulation work is insufficient the...

Страница 36: ...rical equipment wiring regulations and guidance of each electric power company 2 Install the Outdoor Unit transmission line away from the power source wiring so that it is not affected by electric noise from the power source Do not run it through the same conduit 3 Be sure to provide designated grounding work to Outdoor Unit 4 Give some allowance to wiring for electrical part box of Indoor and Out...

Страница 37: ...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 wiring which is the same thickness do as shown in the figure below For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver...

Страница 38: ...he central control system is connected to the outdoor unit a dedicated PCB must be connected between them When connecting transmission line between outdoor unit and indoor units with shielded wire connect the shield ground to the earth screw WARNING The temperature sensor for outdoor air should not be exposed to direct sunlight Provide an appropriate cover to intercept direct sunlight Front Panel ...

Страница 39: ...ecalculated in direct proportion to the additional length of line involved 2 If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the lines are laid inside conduits then the following point must also be taken into account when grouping various lines together for introduction into the conduits Power lines including power suppl...

Страница 40: ...lectrical outlet to disconnect each of indoor unit separately from the power supply WARNING Follow ordinance of your governmental organization for technical standard related to electrical equipment wiring regulations and guidance of each electric power company Make sure to use specified wires for connections so that no external force is imparted to terminal connections If connections are not fixed...

Страница 41: ...duct is operating attach a reversed phase protection circuit locally Running the product in reversed phase may break the compressor and other parts R S T N Switch Fuse 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 Power Line 2 Wires Cable Outdoor Unit...

Страница 42: ...U INTERNET DRY1 DRY2 GND 12V A B A B A Outdoor Unit 3 4 3 4 3 4 WARNING Indoor 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...

Страница 43: ...f communication cable must be installed like below figure between indoor unit to outdoor unit Abnormal operation can be caused by communication defect when connection of communication cable is installed like below figure STAR type Electrical Wiring ENGLISH Installation Manual 43 ...

Страница 44: ...ines Over 50mm Gap Main Power Terminal Block Main Power Main Power Terminal Block Terminal Block Main Power Terminal Block Front Side 1 Main Power Main Power Terminal Block Terminal Block Main Power Terminal Block Insulation sleeves attachments Fix firmly not to be displaced Ground Cable Ground Cable Ground Cable Main Power Terminal Block ODU IDU Communication line SODU IDU DRY1DRY2 GND 12V INTERN...

Страница 45: ...Electrical Wiring ENGLISH Installation Manual 45 Location of setting dip switch 7 Segment SW02V Auto Addressing SW01B SW02B n Heat Pump ...

Страница 46: ...mber is sequentially appeared at the 7 segment in 5 seconds after applying the power This number represents the setting condition Outdoor unit model code Total capacity 2 25 155 1 255 Outdoor unit model code Refer to table code 8 12 HP Hp number 2 Heat pump 25 Normal 155 Model Type Example 12HP R410A 14 12 2 25 157 CAUTION Product may not properly operate if the relevant DIP switch is not properly...

Страница 47: ...n of the indoor unit and only execute the operation when all indoor units are stopped 4 Auto test operation function does not work for the product where only one indoor unit is connected for use ENGLISH Installation Manual 47 Index 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Function Auto charging ⅹ ⅹ Refrigerant Checking Function ⅹ Integrated test operation function Cooling ⅹ ⅹ Integrated test operation fun...

Страница 48: ...0 seconds on 7 segment LED of the outdoor unit PCB 6 After completing addressing address of each indoor unit is indicated on the wired remote control display window CH01 CH02 CH03 CH06 Indicated as numbers of connected indoor units CAUTION In replacement of the indoor unit PCB always perform Auto addressing setting again At that time please check about using Independent power module to any indoor ...

Страница 49: ...rol 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 auto addressing is completed normally Auto addressing start Waiting 3 minutes Power On Press RED Button for 5 sec SW02V 7 segment LED 88 Don t press RED Button SW02V Waiting about 2 7 minutes 7 segment LED OK YE...

Страница 50: ...to a group set the group ID from 0 to F for this purpose Example Group number setting 1st number indicate the group number 2nd number point out indoor unit number B SODU IDU INTERNET DRY1 DRY2 GND 12V A B A B A B D A C Group recognizing the simple central controller No 0 group 00 0F No 1 group 10 1F No 2 group 20 2F No 3 group 30 3F No 4 group 40 4F No 5 group 50 5F No 6 group 60 6F No 7 group 70 ...

Страница 51: ...om LG Outdoor Cool Heat Selector in field Connect signal terminal block as below figure and description How to set mode without Cool Heat Selector Cooling Mode Setting GND Connection Off Open Heating Mode Setting GND Connection GND Connection Fan All OFF Mode Setting Off Open GND Connection GND GND GND Outdoor Main PCB Insert wire method shows field wiring connected wiring Push arrow direction Ins...

Страница 52: ...ng the unit or after leaving it turned off for an extended length of time the resistance of the insulation between the power supply terminal board and the ground may decrease to approx 2 MΩ as a result of refrigerant accumulating in the internal compressor If the insulation resistance is less than 2 MΩ turning on the main power supply and energizing the crankcase heater for more than 6 hours will ...

Страница 53: ...e temperature error Motor insulation broken Strainer clogged Oil leakage Motor insulation failure R S T misconnection Motor failure bad ventilation around outdoor heat exchanger Bad connector contact Coil failure EEV clogged EEV clogged Check resistance between terminals and chassis Change strainer Check oil amount after opening oil port Check resistance between terminals and chassis Check compres...

Страница 54: ...tegrated Test Run Heating WARNING Please confirm if auto addressing function was executed Check the number of installed indoor units Each step is displayed on the Main PCB LED Method for FDD DIP Switch Setting Following flow chart shows how to work FDD function and method for FDD DIP switch setting DIP Switch Settings Warning Please reset Main PCB before starting this function Setting1 Refrigerant...

Страница 55: ...urning off all of dip S W Yes No IDU runs with cooling mode In designated order Press the black button IDU and ODU are turned off when Auto Charging is completed Close the valve Press the black button 1 Refrigerant Auto Charging Process Main PCB SW01V Completed 2 DIP Switch Settings Warning Please reset Main PCB before starting this function Note 1 After installing the refrigerant charging device ...

Страница 56: ...erature is out of range IDU 20 C 68 F 32 C 90 F ODU 0 C 32 F 43 C 77 F 2 For refrigerant charging use designated device only Capillary Assem Set 3 Set the IDU wired remote controller temperature sensing mode as IDU 4 Be careful that IDU should not be thermo off n Error contents about auto refrigerant charging function 1 Temperature Range Error In case that IDU or ODU is out of range 2 Low Pressure...

Страница 57: ...onnection Based on Refrigerant Quantity NO NO YES YES Display Error Display Error Press black button for 2 seconds Press black button for 2 seconds Data Reset and Wait End Note 1 In case air temperature is out of guaranteed temperature refrigerant checking function may end without performing refrigerant checking Use guaranteed temperature range only 2 During the process of judging refrigerant amou...

Страница 58: ...Refrigerant 619 After remove the 20 of calculated total refrigerant recharge the refrigerant by using Refrigerant Auto Charging Function 3 Scarcity of Refrigerant 629 Charge the refrigerant by using Refrigerant Auto Charging Function 4 Impossible to Judge 639 IF the system is not in order check the other problem except refrigerant CAUTION 1 Guaranteed Temperature range Error occurs out of guarante...

Страница 59: ... mode Saved data can check using LGMV Note 1 Judge the normal condition refer to report of Test Running Start Temp Condition 1 IDU operation All 1 IDU operation System off All IDU operation refrigerant check Error Display Error Display Press black button for 2 sec End Press the black button for 2 sec after turning off all of Dip switch Completed All IDU operation on Fan mode Press the black button...

Страница 60: ... the black button for 2 sec This function is checking process for normal operation of parts and system On operating system All processes carry out included refrigerant amount judge logic and check normal condition of parts on heating mode This function check only normal condition of parts on heating mode Saved data can check using LGMV Note 1 Judge the normal condition refer to report of Test Runn...

Страница 61: ...ant 619 After remove the 20 of calculated total refrigerant recharge the refrigerant by using Refrigerant Auto Charging Function 3 Scarcity of Refrigerant 629 Charge the refrigerant by using Refrigerant Auto Charging Function 4 Impossible to Judge 639 IF the system is not in order check the other problem except refrigerant CAUTION 1 Guaranteed Temperature range Error occurs out of guaranteed tempe...

Страница 62: ... 12 9 8 6 5 10 5 12 5 730 620 510 620 780 680 800 900 Step Cooling Only Heat Pump Capacity Fan Maximum RPM Judgment Time Hr Operation Time Hr 16kW 16 23kW 23 35kW 29 41kW 41 58kW 46 58kW 790 3 4 5 6 7 8 9 56 58 62 53 55 59 50 52 56 47 49 53 Capacity Noise dB 16kW 16 23kW 23 35kW 29 41kW 41 58kW 46 58kW Standard Step Heat Pump Cooling Only Reset the power Setting the Fan Max RPM Setting Complete Se...

Страница 63: ...DU V V OPEN Main EEV SC EEV OPEN IDU EEV OPEN ODU power reset Press the black button Main PCB 5 sec Vacuum mode setting method Vacuum mode cancellation method Set the DIP S W OFF Power reset Vacuum mode cancellation CAUTION ODU operation stops during vacuum mode Compressor can t operate DIP Switch Settings Warning Please reset Main PCB before starting this function ENGLISH Installation Manual 63 ...

Страница 64: ...e mode Set DIP S W Static pressure compensation mode Power Reset Set the DIP S W ON Static pressure compensation mode setting method Static pressure compensation mode cancellation method DIP switch OFF Power Reset Static pressure compensation mode is set Static pressure compensation mode is cancelled DIP Switch Settings Warning Please reset Main PCB before starting this function 64 Outdoor Unit So...

Страница 65: ...f indoor unit Inlet pipe temperature sensor of indoor unit is open or short 0 3 Communication error wired remote con troller indoor unit Failing to receive wired remote controller signal in indoor unit 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 indoor u...

Страница 66: ... 1 Low Pressure of Outdoor unit System is turned off by excessive decrease of low pressure of Outdoor unit 3 6 1 Outdoor unit Low Condensing Ratio Limited Outdoor unit stayed under low condensing limit for 3 min utes 4 0 1 Outdoor unit Inverter Compressor CT Sensor Fault Outdoor unit Inverter Compressor CT Sensor open or short 4 1 1 Outdoor unit Inverter Compressor Discharge Temperature Sensor Fau...

Страница 67: ...ter control signals usually happens after on boarding 6 0 1 Inverter PCB EEPROM Error of Outdoor Unit Access Error of Inverter PCB of Outdoor unit 6 7 1 Outdoor unit Fan Lock Restriction of Outdoor unit 6 9 1 Constant1 CT Sensor Error of Outdoor Unit Constant1 CT Sensor open or short of Outdoor unit 7 0 1 Constant2 CT Sensor Error of Outdoor Unit Constant2 CT Sensor open or short of Outdoor unit 7...

Страница 68: ...tlet Temperature Sensor open or short 1 5 1 1 Failure of operation mode conver sion at Outdoor Unit Pressure unbalance between Outdoor Units 1 7 3 1 Outdoor unit Constant Speed Compressor Fault Comp locking Check Valve leakage comp dielectric break down at Outdoor Unit 1 7 4 1 Outdoor unit rated speed 2 con denser over current Outdoor unit rated speed 2 condenser burned locked or fault by over cur...

Страница 69: ...m Cool Heat selector PRDSBM Cooling Heating Fan Cooling Heating All OFF ODU Solution Accessory ODU Dry contact PQDSBDCVM0 Demand control Low load operation DDC control DC0 10V Input ODU Solution Accessory ODU Fan Low speed control Night low noise operation Error alarm Independent Power module Independent power module Solution Accessory ʼ11 11 available ENGLISH Installation Manual 69 ODU Dry contac...

Страница 70: ...ector Connect terminals on the back side of Cool Heat Selector to terminal of Outdoor as show GND GND GND Outdoor Main PCB Insert wire method shows field wiring connected wiring Push arrow direction Insert wire to connector Push Button Outdoor Dry Contact Back Side GND GND GND 1 2 3 4 1 2 3 4 Communication line length can be maximum 300m use communication line as thick as 1 25mm2 Front Case Outdoo...

Страница 71: ...to set a lower address of the outdoor unit 4 SW_STEP Switch to select a control mode 5 CN_PWR DC Input terminal 6 ERROR Error display with relay contact 7 BUS A RS 485 Terminal 8 BUS B RS 485 Terminal 9 CN_CAPACITY Signal input terminal to control a capacity of outdoor unit 10 CN_SPEED CAP Signal input terminal for Analog Input Low noise operation 11 CN_OUT Outdoor unit connector 12 LED1 Display L...

Страница 72: ...ry contact with Central controller With Single Outdoor unit With Series Outdoor units CN_OUT TTL Multi V WIRE ASSY 1 1EA BUS_B BUS_A Central Control Devices Multi V WIRE ASSY 1 1EA CN_OUT TTL 72 Outdoor Unit Solo Heat Pump ...

Страница 73: ...l Without External power source With External power source Setting SW_STEP Input Signal 0 1 2 3 4 5 6 Contact signal D E Analog signal SW_STEP Using Contact signal Using Analog signal with DDC Module LG does not supply this section Field supply Notes Do not input the voltage signal in NON VOLT setting mode otherwise it will cause serious damage SW_VOLT2 SW_VOLT1 Input_3 Input_2 Input_1 comm Input_...

Страница 74: ... 1 Signal Input Step Performance output of the ODU Control Value Using Contact signal Rotary S W Volt Cooling Heating Step Control Step Control D 0 0 Not Control 0 Not Control 1 1 100 0 100 2 2 90 0 90 3 3 80 0 80 4 4 70 0 0 70 5 5 60 0 60 6 6 50 0 50 7 7 45 0 45 8 8 40 0 40 9 9 Comp OFF 0 Comp OFF 10 10 All OFF 0 All OFF Rotary S W Volt Cooling Heating Step Control Step Control E 0 9 Comp OFF 0 C...

Страница 75: ...0 0 0 No control 1 0 0 70 0 1 0 40 0 0 1 ALL OFF 4 0 0 0 No control 1 0 0 70 0 1 0 50 0 0 1 ALL OFF 5 0 0 0 No control 1 0 0 80 0 1 0 50 0 0 1 ALL OFF 6 0 0 0 No control 1 0 0 50 0 1 0 COMP OFF 0 0 1 ALL OFF Using Analog signal with DDC Module Non Control 100 90 80 70 60 50 45 40 0V 1V 2V 3V 4V 5V 6V 7V 8V 9V 10V 0 1 2 3 4 5 6 7 8 9 10 Comp OFF System OFF Signal Input Step Performance output of th...

Страница 76: ...d Error Alarm monitoring function Notice for system fault information by buzzer or warning lamp Occurring fault is not only ODUs but also IDUs Setting Note AC Power 3A 250V DC Power 3A 30Vv ON L1 2 3 4 Connect with S W or Timer for Night Low Noise Control Notes Default State is L1 ON L2 ON Position Function ON L1 2 3 4 ON Master Mode OFF Slave Mode ON L1 2 3 4 ON Enable Low Noise Operation OFF Dis...

Страница 77: ...is turn off If the power Cut off then product need to close EEV power Plug 1st 2nd 3rd A C Switch Main Switch 3 phase 400V 4th 1st 2nd 3rd A C Switch Main Switch 1 phase 220V ODU Each room Switch BOX Each room power Plug Switch BOX Concept of independent power module independent power module option independent power module option ENGLISH Installation Manual 77 ...

Страница 78: ...ntration Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 Freon gas weight per unit air volume for facilitating calculation Amount of additional replenished refrigerant Total amount of replenished refrigerant in refriger...

Страница 79: ...educing the outdoor refrigerant qty Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Outdoor unit Indoor unit Smallest room 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 e...

Страница 80: ...exchanger 1 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opposite side of the sea wind direction 2 In case to install the outdoor unit on the seaside set ...

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