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Installation Manual

ENGLISH

Installation

Installation

Location of anchor bolt

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Individual installation

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Example of collective installation

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Installation foot (Location of anchor bolt)

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Содержание Multi V ARUB Series

Страница 1: ...d 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 R410A ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH PORTUGUESE ...

Страница 2: ...autions 3 Installation Process 11 Outdoor Unit Information 13 Select the Best Location 14 Installation Space 16 Lifting method 20 Installation 21 Refrigerant piping installation 26 Electrical Wiring 43 HR unit PCB 53 Main unit and Sub unit PCB 63 Test Run 70 Caution For Refrigerant Leak 79 ...

Страница 3: ...ot to do Be sure to follow the instruction Installation Have all electric work done by a licensed electrician according to Electric Facility Engineering Standard and Interior Wire Regulations and the instructions given in this manual and always use a special circuit If the power source capacity is inadequate or electric work is performed improperly electric shock or fire may result Ask the dealer ...

Страница 4: ... at the specified place Improper installation may cause the unit to top ple and result in injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product When installing and moving the air condition er to another site do not charge it with a different refrigerant from the refrigerant specified on the unit If a different refrigerant or air i...

Страница 5: ...rigerant concentration from exceeding the safety limit when the refrigerant leaks Consult the dealer regarding the appropriate measures to prevent the safety limit from being exceed ed Should the refrigerant leak and cause the safety limit to be exceeded harzards due to lack of oxy gen in the room could result Don t use the existing manifold gage for R22 refrigerant Use the manifold gage for high ...

Страница 6: ...icated outlet for this appliance There is risk of fire or 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 Take care so that children should not ran domly operate the wire remote control for play Frequent conversion to cold ...

Страница 7: ...utdoor unit could damage the neighborhoods It may cause a problem for your neighbors Keep level even when installing the product To avoid vibration or water leakage Do not install the unit where combustible gas may leak If the gas leaks and accumulates around the unit an explosion may result 90 Gasolin ENGLISH Use power cables of sufficient current carrying capacity and rating Cables that are too ...

Страница 8: ...nstallting the unit in a hospital com munication station or similar place provide sufficient protection against noise The inverter equipment private power generator high frequency medical equipment or radio com munication equipment may cause the air condition er to operate erroneously or fail to operate On the other hand the air conditioner may affect such equipment by creating noise that disturbs...

Страница 9: ...ckaging Do not use any PP bands for a means of transportation It is dangerous Do not touch the heat exchanger fins Doing so may cut your fingers When transporting the outdoor unit suspending it at the specified posi tions on the unit base Also support the outdoor unit at four points so that it cannot slip sideways Safely dispose of the packing materials Packing materials such as nails and other me...

Страница 10: ...he power of all indoor and outdoor units Auto addressing should also be done in case of changing the Indoor unit PCB Use a firm stool or ladder when cleaning or maintaining the air conditioner Be careful and avoid personal injury Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged in There are sharp and moving parts that could cause personal in...

Страница 11: ... 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 Refer to automatic addressing flowchart Preheat the crank case with the el...

Страница 12: ...act LG Electronics for the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Installation guide at the seaside 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 si...

Страница 13: ... 3 28 7 x2 50 4 63 3 28 7 x2 50 4 63 3 28 7 x2 50 4 63 3 28 7 x2 50 4 63 3 28 7 x2 50 4 63 3 28 7 x3 Ø12 7 1 2 Ø15 88 5 8 Ø15 88 5 8 Ø15 88 5 8 Ø15 88 5 8 Ø19 05 3 4 Ø28 58 11 8 Ø28 58 11 8 Ø28 58 11 8 Ø34 9 13 8 Ø34 9 1 3 8 Ø34 9 1 3 8 Ø22 2 7 8 Ø22 2 7 8 Ø22 2 7 8 Ø28 58 11 8 Ø28 58 11 8 Ø28 58 11 8 Unit System HP Model Refrigerant Charge kg Oz Type CF Correction Factor Max Connectable No of Ind...

Страница 14: ...oid bad condition when additionally perform ing defrost operation 1 Install the outdoor unit at a place well ventilated and having a lot of sunshine in case of installing the product at a place with a high humidity in winter neare beach coast lake etc Ex Rooftop where sunshine always shines 2 Performance of heating will be reduced and preheat time of the indoor unit may be lengthened in case of in...

Страница 15: ...0 1 Low pressure Gas pipe connection port Ø28 58 Brazing connection Ø22 2 Brazing connection 2 High pressure Gas pipe connection port Ø22 2 Brazing connection Ø19 05 Brazing connection 3 Liquid pipe connection port Ø12 7 Brazing connection Ø9 52 Brazing connection 4 Indoor unit Gas pipe connection port Ø15 88 Brazing connection Ø15 88 Brazing connection 5 Indoor unit Liquid pipe connection port Ø9...

Страница 16: ...trol Box Front Side Rear Side A B Control Box Front Side Rear Side A B C 900 mm or more Control box is of a open close type 250 mm or more 150 mm from the wall C A B C A B h H Front Side Rear Side C A B C Front Side Rear Side C A B C Front Side Rear Side Side view Top view Side view Top view C E D A B 250 mm or more 350mm or more at the coastal area 150 mm from the wall B A B A h H Front Side Rear...

Страница 17: ...utlet guide Procured at the site 250 mm or more D E F Front view Side view Air guide 587 6 372 5 390 125 723 5 When there is an obstruction above the unit When unit is surrounded by walls 900 mm or more Control box is of a open close type 250 mm or more A B A B B B Front Side Rear Side A B B B Front Side Rear Side A B B B Front Side Rear Side ...

Страница 18: ... Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front Side Rear Side Front...

Страница 19: ...e height of H frame must be 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 2 Don t install the suction hole and discharge hole of the outdoor unit facing to the seasonal wind CAUTION Always apply main power of the outdoor unit during use of product cooling season heating season Alway...

Страница 20: ...e person carry product if it is more than 20 kg PP bands are used to pack some products Do not use them as a mean for transportation because they are dangerous Do 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 Whe...

Страница 21: ...tion Location of anchor bolt Individual installation Example of collective installation Installation foot Location of anchor bolt 700 10 900 383 900 700 900 700 900 700 900 10 383 900 10 383 900 900 10 383 900 383 900 10 383 900 10 383 900 10 383 900 10 ...

Страница 22: ...nti vibration may be done in a wide area Pipe and wiring space in case of piping and wiring on the floor surface H Beam support Concrete base support WARNING Be sure to install unit in a place strong enough to withstand its weight Any lack of strength may cause unit to fall down resulting in a personal injury Have installation work in order to protect against a strong wind and earthquake Any insta...

Страница 23: ...ring 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 24: ...l the piping has been connected use nitrogen to perform a gas leak check Tightening torque Union 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 W...

Страница 25: ...y default However if it is operated for a long time in high humid atmosphere dew point tempera ture 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 humid...

Страница 26: ...perform brazing with a nitrogen blow into the service valve port Releasing pressure 0 02 MPa or less Flare nut Loose or tighten flare nut by using the wrench with both ends Coat the flare connection part with oil for the compressor Service port Make the refrigerant pipe vacuum and charge it using the service port Always reattach caps after completing work tightening torque of service cap 14Nm 140k...

Страница 27: ...art and part When connecting the pipes from the side of the outdoor unit remove part the whole Knock out part Knock out Transmission Line Hole Power Cable Hole Pipe Hole Front Side 3 WARNING After installing the pipe clog the pipe excavation inlet of the front panel and the side panel Wire may be damaged due to entering of rats animals etc ...

Страница 28: ...Liquid Pipe High Pressure Gas Pipe Model ARCNB20 ARCNB20 ARCNB30 Ø31 8 Ø38 1 Ø28 58 Ø28 58 Ø19 05 OD19 05 Ø22 2 Ø22 2 Ø28 58 Ø12 7 Ø9 52 Ø12 7 Ø19 05 Ø12 7 Ø15 88 Ø34 9 OD28 58 Ø19 05 OD34 9 Ø15 88 Ø31 8 Ø28 58 Ø28 58 Ø19 05 Ø22 2 Ø19 05 Ø22 2 Ø34 9 OD22 2 Ø15 88 Ø28 58 Ø19 05 Ø15 88 Ø22 2 Ø22 2 Ø22 2 OD22 2 Ø15 88 Ø19 05 OD12 7 Ø22 2 Low Pressure Gas Pipe Liquid Pipe High Pressure Gas Pipe Model ...

Страница 29: ...essure Gas pipe Liquid pipe Liquid pipe Liquid pipe HR Unit 1 2 3 4 CAUTION Whenever connecting the indoor units with the HR unit install the indoor units in numerical order from No 1 Ex In case of installing 3 indoor units No 1 2 3 O No 1 2 4 X No 1 3 4 X No 2 3 4 X Installation Procedure Six sided Nut M10 or M8 Hanger metal Hanger metal Hanger metal Flat washer Flat washer Flat washer M10 Hangin...

Страница 30: ...allows up to 14 1kW based on cooling capacity of the indoor unit up to 14 1kW 48kBtu hr for max installation The maximum total capacity of the indoor units connected to one PRHR040 HR unit is 47kW 160kBtu hr In case of installation of four indoor units of 14 1kW 48kBtu hr use two PRHR020 s rather than one PRHR040 Remove caps on the brazing part Low pressure gas pipe Gas pipe Ø15 88 Liquid pipe Ø9 ...

Страница 31: ...els High pressure Gas pipe Low pressure Liquid pipe Indoor unit reducer HR unit reducer PRHR020 OD22 2 Ø19 05 Ø15 88 OD15 88 Ø12 7 Ø6 35 OD9 52 Ø6 35 OD9 52 OD19 05 Ø15 88 Ø12 7 OD22 2 Ø19 05 Ø15 88 OD15 88 Ø12 7 PRHR030 PRHR040 OD19 05 Ø15 88 OD28 58 Ø22 2 Ø19 05 OD12 7 Ø9 52 OD12 7 Ø9 52 OD15 88 Ø12 7 ...

Страница 32: ...perly charge the unit When servicing always check the notes concerning both the pipe length and the amount of additional refrigerant 9 Never perform a pump down This will not only damage the compressor but also deteriorate the performance 10 Never use refrigerant to perform an air purge Always evacuate using a vacuum pump 11 Always insulate the piping properly Insufficient insulation will result i...

Страница 33: ...lfunction and the unit may be damaged After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after branching use an appropriate branch pipe set according to the pipe diameter of the indoor unit and the installation pipe drawing 1 280 Distance between outdoor units 1 280 Distance between outdoor units Unit mm Product length 1 280 distance between outdoo...

Страница 34: ...ence 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 difference in pipe lengths the more different performance between indoor units Piping length from outdoor branch to outdoor unit 10m equivalent length max 13m for 16HP or more A1 C1 D1 D2 D3 D4 D6 D7 D8 D9 D10 E1 E2 A F3 C1 B C2 C3 B1 B2 A2 A3 a b c d e g j k f i H h a b...

Страница 35: ... 1 1 8 Ø22 2 7 8 71 242 300 Ø15 88 5 8 Ø28 58 1 1 8 Ø28 58 1 1 8 104 354 900 Ø19 05 3 4 Ø34 9 1 3 8 Ø28 58 1 1 8 104 354 900 Ø19 05 3 4 Ø41 3 1 5 8 Ø28 58 1 1 8 Liquid pipe mm inch Low pressure High pressure Gas pipe mm inch C3 C4 B1 D10 E1 A3 H h CAUTION Assume equivalent pipe length of Y branch to be 0 5m calculation purpose HR1 48k 48k 48k 48k 1 2 3 4 HR1 36k 36k A A 1 1 2 A HR2 36k 36k 3 4 HR1...

Страница 36: ...ward indoor units Since the main pipe diameter of 22HP outdoor unit is Ø15 88 Liquid pipe Ø34 9 Low pressure gas pipe Ø28 58 High pressure gas pipe it should be used as the diameter of the main pipe and the connection pipe between 1st and 2nd indoor branches Refrigerant pipe diameter before 1st branch A E F Liquid pipe 8 10HP Ø9 52 Ø12 7 12 14 16HP Ø12 7 Ø15 88 18 20 22 24HP Ø15 88 Ø19 05 26 28 30...

Страница 37: ...n system Limitation in piping work Prepare for earthquake and thermal stress WARNING Refer to model information since the CF value of correction factor differs depending on model Total amount of refrigerant in the system 0 3 kg m3 Volume of the room at which indoor unit of the least capacity is installed Additional charge kg Product charge 1unit 8kg Total liquid pipe m Ø22 2mm x 0 354 kg m x 0 266...

Страница 38: ...ed with kit Liquid and gas pipe joints Insulator for field piping Tape field supply Ensure that the branch pipes are attached horizontally or vertically see the diagram below There is no limitation on the joint mounting configuration If the diameter of the refrigerant piping selected by the procedures described is different from the size of the joint the connecting section should be cut with a pip...

Страница 39: ...Ø12 7 OD19 05 Ø12 7 Ø9 52 OD22 2 Ø15 88 Ø34 9 Ø31 8 OD28 58 Ø28 58 Ø28 58 Ø22 2 Ø19 05 Ø22 2 Ø22 2 Ø28 58 Ø25 4 Ø9 52 OD12 7 Ø15 88 Ø12 7 Ø12 7 Ø9 52 Ø6 35 Ø9 52 Ø12 7 Ø19 05 Ø15 88 Ø28 58 Ø19 05 Ø19 05 Ø19 05 Ø28 58 Ø22 2 OD19 05 Ø15 88 Ø12 7 OD19 05 Ø12 7 Ø9 52 OD28 58 Ø22 2 Ø19 05 OD34 9 X 2 Ø31 8 Ø28 58 OD 9 52 Ø6 35 Ø19 05 Ø15 88 Ø15 88 Ø12 7 Ø9 52 Ø12 7 Ø15 88 Ø22 2 Ø19 05 OD28 58 Ø22 2 OD19...

Страница 40: ...ay contain moisture or leak 2 Following should be executed if there is a possibility of mois ture remaining inside the pipe Rainwater may enter the pipe during work in the rainy sea son or over a long period of time After evacuating the system for 2 hours give pressure to the system to 0 05MPa vacuum break with nitrogen gas and then evacuate it again with the vacuum pump for 1 hour to 100 7kPa vac...

Страница 41: ... is vacuumed via the HR unit If other refrigerants are mixed in the original refrigerant a refrigerant cycle may cause malfunction or damage Add accurate refrigerant quantity via calculation Too much or too little refrigerant may cause problems Repeated on and off of the indoor units without charging refrigerant may cause faults of LEV Since R410A is a mixed refrigerant the required additional ref...

Страница 42: ... covering Wind the connection part and cutting part of heat insulation material with a finishing tape 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 in...

Страница 43: ...ntal organization for technical standard related to electrical 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 may 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 all...

Страница 44: ... Multi core cable HR unit Remote control Remote control Indoor unit Indoor unit CAUTION Use the 2 core shield cables for transmission lines Never use them together with power cables Never use multi core cable As this unit is equipped with an inverter to install a phase leading capacitor not only will deteriorate power factor improvement effect but also may cause capacitor abnormal heating Therefor...

Страница 45: ...necting transmission line between out door unit and indoor HR 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 Noise Filter Magnetic contactor Main PCB Magnetic contactor Sub PCB Fuse Reactor Inverter Comp Interter Board ...

Страница 46: ...The figures are based on assumed length of parallel cabling up to 100m For length in excess of 100m the figures will have to be recalculated 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 als...

Страница 47: ... 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 Unit Model Power Supply COMP OFM Hz Volts Voltage range MCA MOP MSC RLA kW FLA 8HP 50 380 415 20 7 34 1 16 5 75 14 5 12 0 56 3 97 10HP 50 380 415 26 5 44 5 16 5 75 14 5 12 0 56 3 97 12HP...

Страница 48: ...CB Earth Leakage Circuit Breaker 7 MSC RLA are measured as the compressor only test condition 8 MSC values 16 5 75 MSC of INV Comp Const Comp 1 9 RLA is measured during each individual compressor test con dition 14 5 12 0 RLA of INV Comp Const Comp 1 10 OFM is measured as the outdoor unit test condition Example Selection of proper circuit breaker 10HP Rated running current 18 0 A MCA 1 25 x Load1 ...

Страница 49: ...cure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them Precautions when laying power wiring Electrical Wiring Round pressure terminal Power wire Use round pressure terminals for c...

Страница 50: ... GND terminal is a terminal for the central controller not ground line Power supply switch Switch fuse Separate wiring drawing HR unit HR unit WARNING Indoor unit ground lines are required for preventing electrical shock accident in current leakage transmission disorder by noise effect and motor current leakage without connection to pipe Don t install an individual switch or electrical outlet to d...

Страница 51: ...ween the units 3 phase 4 wires power line R S T Transmission line 3 line wired remote control Single phase of power supply line Transmission line 2 shield line between outdoor unit and outdoor unit Transmission line 2 shield line between indoor unit and outdoor unit 3 phase 4 wires power supply Single phase power supply Sub Main HR unit HR unit Power supply switch switch fuse When the power source...

Страница 52: ... phase of power supply line Transmission line 2 shield line between outdoor unit and outdoor unit 3 phase 4 wires power supply Single phase power supply Main Sub1 Sub2 Transmission line 2 shield line between indoor unit and outdoor unit When the power source is connected In series between the units HR unit HR unit Power supply switch switch fuse 3 phase 4 wires power supply Single phase power supp...

Страница 53: ... No 7 Use only in factory production preset to OFF No 8 Use only in factory production preset to OFF SW02M 1 Selection of the method for addressing valves of an HR unit Auto Manual Auto Manual SW02M Dip switch for setup of the function of HR unit SW03M SW04M SW01M SW03M SW04M Switch for manual valve addressing SW01M SW05M Switch for addressing HR unit 7 SEG 1 valve housing 1 cooling valve LED gree...

Страница 54: ... 3 rooms Connected 4 rooms Connected Initial Setting WARNING If you want to use a PRHR030 for 2 rooms HR unit after closing the 3rd pipes set the dip switch for 2 rooms HR unit If you want to use a PRHR040 for 3 rooms HR unit after closing the 4th pipes set the dip switch for 3 rooms HR unit If you want to use a PRHR040 for 2 rooms HR unit after closing the 3rd and 4th pipes set the dip switch for...

Страница 55: ... the central control address of the connected indoor unit SW01M selection of the valve to address SW03M increase in the digit of 10 of valve address SW04M increase in the last digit of valve address Prerequisite for manual valve addressing central control address of each indoor unit must be preset differ ently at its wired remote control 1 2 3 4 1 2 3 4 1 2 3 4 3 4 3 4 3 4 S W No Setup No 1 Manual...

Страница 56: ...No 1 of SW02M of HR unit PCB off Confirm that the setting of No 2 3 of SW02M corresponds with the number of indoor units Reset the power of HR unit PCB Turn off the No 5 DIP S W of main unit PCB when outdoor temperature is below 15 C Turn on the No 5 DIP S W of main unit PCB when outdoor temperature is over 15 C Reset the power of outdoor unit Wait 3 minuts Press SW01M of the outdoor unit main PCB...

Страница 57: ...dress in wired remote control of indoor unit In this case set the HR unit manual pipe address according to central control address of indoor unit Pipe which is not connected with indoor unit should be set different address with pipe Connected with indoor unit If addresses are piled up corresponding valve is not working If you want to change the setting of manual pipe you should do it on HR unit PC...

Страница 58: ... unit main PCB Are the number of indoor units connected to the outdoor unit wiring and displayed one equal Turn HR unit indoor unit and outdoor unit on in the order named Wait for 3 minutes Check power and communication wiring between outdoor HR and indoor units Retry indoor unit auto addressing after checking trouble Incompletion of auto addressing Press SW02M of the outdoor unit main PCB for 5 s...

Страница 59: ...CB Press SW01M of the outdoor unit main PCB for 5 seconds 88 is displayed on 7 SEG of the outdoor unit main PCB Outdoor unit is operated for 5 30 minues The number of indoor units detected is displayed for 30 seconds on the outdoor unit PCB after outdoor unit stopped Display error on outdoor unit PCB Display error on HR unit PCB Outdoor unit PCB HR HR unit number Valve number HR unit 200 Check the...

Страница 60: ... to the valve Reset the power of outdoor unit PCB Wait for about 5 minutes The number of the indoor units installed is displayed Ex HR The number of the indoor Check the central control address of indoor and HR unit Make sure that reset the outdoor unit power when changing the central control unit Are the number of indoor units connected to the outdoor unit and displayed one equal Execute in case ...

Страница 61: ...tion Turn dip S W01M No 1 on to address valve 1 Display Existing value saved in EEPROM is displayed in 7 SEG Operation Set the digit of 10 to the number in Group High data of the wired remote control connected to the corresponding indoor unit to the valve 1 by pressing left tack S W03M Display Digit increasing with the times of pressing tack S W03M is displayed in left 7 SEG Operation Set the digi...

Страница 62: ...Operation Turn dip S W01M No 1 on Display 11 is displayed in 7 SEG No 1 2 Display and Setup Setup and Contents Operation Turn dip S W01M No 1 off 7 SEG disappeared 7 SEG SW01M 7 SEG SW01M Identification of Manual Valve ID Address Operation more than 2 dip switches turned on Display Er is displayed in 7 SEG No 1 Display and Setup Setup and Contents 7 SEG SW01M ...

Страница 63: ...Installation Manual 63 ENGLISH Main Unit PCB Sub Unit PCB 7 Segments Shows setting status SW03M DIP switch SW03M DIP switch LED Shows setting status Main unit and Sub unit PCB Main unit and Sub unit PCB ...

Страница 64: ...e total capacity 3 25 41 93 97 97 30 1 255 Main model code 1 255 Sub1 model code 1 255 Sub2 model code 5 40 HP number sum of main capacity and sub capacity 1 Save mode 3 Normal mode 4 Capacity up mode 25 Normal 22 R22 model 41 R410a model Checking the setting of the sub unit It is displayed by 8 LED of the sub unit A set of two LED s represents 0 1 2 and 3 in binary LED1 LED3 LED5 and LED7 are lea...

Страница 65: ...hen the total pipe length is extremely short use save mode 7 8 6 5 4 2 1 3 ON OFF 2 Loss compensation Save mode Setting before applying the power When the installation condition is normal almost all cases use standard mode 7 8 6 5 4 2 1 3 ON OFF 1 Loss compensation Standard mode default data address 7 8 6 5 4 2 1 3 ON OFF 4 Instant indoor unit checking Cooling mode With dip switch setting as left ...

Страница 66: ...of the inverter constant speed comp 1 failure In case of inverter failure backup operation is possible when 110k or more indoor units are ON Set at the unit of the constant speed comp failure 7 8 6 5 4 2 1 3 ON OFF 8 Backup operation 1 In case of Inverter compressor damaged 7 8 6 5 4 2 1 3 ON OFF 9 Backup operation 2 In case of constant speed compressor damaged Setting before applying the power Se...

Страница 67: ... power 7 8 6 5 4 2 1 3 ON OFF 3 The sequence of sub unit 3rd sub unit 7 8 6 5 4 2 1 3 ON OFF 4 Backup operation 1 In case of constant speed compressor 1 damaged Setting before applying the power Set at the unit of the inverter constant speed comp 1 failure In case of inverter failure backup operation is possible when 110k or more indoor units are ON 7 8 6 5 4 2 1 3 ON OFF 5 Backup operation 2 In c...

Страница 68: ...cc terminal and GND Turn the whole system on Set the group and indoor unit number with a wired remote control To control several sets of indoor units into a group set the group ID from 0 to F for this purpose B E F C D Vcc GND A Vcc GND C D Indoor unit Outdoor unit Central controller Simple central controller Terminal block of outdoor unit Group recognition of the simple central controller No 0 gr...

Страница 69: ...econds 2 The current group and the indoor unit numbers are indicated on the 88 of the wired remote control 3 Set numbers by using the temperature adjust key 4 Press Program button and Set Clr button at the same time for 3 seconds 5 If transmit recognition data are received from the indoor unit it returns to the general operation mode Group No Room indoor unit No EX 3 A Main unit and Sub unit PCB W...

Страница 70: ...s than 2 MΩ turning on the main power supply and energizing the crankcase heater for more than 6 hours will cause the refrigerant to evaporate increasing the insulation resistance Check if Liquid pipe High Pressure Gas Low Pressure Gas are fully opened NOTE Be sure to tighten caps Check if there are any problems in automatic addressing or not Check and confirm that there are no error messages in t...

Страница 71: ...for 2 5 seconds you will see a character that looks like St in the 7segment When you turn both No 7 and 8 off at this time the test operation will start 3 Indoor units are automatically setting as strong wind mode set temperature to 30 C for heating and 18 C for air conditioning 4 When the compressor is normally operated with the operating logic the target frequency will be 30Hz and when operated ...

Страница 72: ...r voltage Discharge temperature of main out door unit INV compressor Discharge temperature of main out door unit constant speed compres sor High pressure of main outdoor unit Low pressure of main outdoor unit Air temperature sensor of indoor unit is open or short Inlet pipe temperature sensor of indoor unit is open or short Failing to receive wired remote controller signal at indoor unit PCB Malfu...

Страница 73: ...ature sensor of rear side heat exchanger is open or short Current sensor of inverter compressor Discharge temperature sensor of inverter compressor Low pressure sensor of main outdoor unit High pressure sensor of main outdoor unit Air temperature sensor of main out door unit Temperature sensor of front side heat exchanger Suction temperature sensor of main outdoor unit Discharge temperature sensor...

Страница 74: ...short Discharge temperature sensor of the constant speed com pressor 2 of sub1 outdoor unit is open or short Temperature sensor of front side heat exchanger of sub1 unit is open or short Discharge temperature of constant speed compressor 1 of sub1 outdoor unit Discharge temperature of constant speed compressor 2 of sub1 outdoor unit Discharge temperature of constant speed compressor 1 of sub2 outd...

Страница 75: ...r of rear side heat exchanger of sub1 unit is open or short Liquid pipe temperature sensor of sub1 outdoor unit is open or short Subcooling inlet temperature sensor of sub1 outdoor unit is open or short Subcooling outlet temperature sensor of sub1 outdoor unit is open or short High pressure sensor of sub2 outdoor unit is open or short Low pressure sensor of sub2 outdoor unit is open or short Air t...

Страница 76: ...f HR unit 7 Voltage detection circuit of sub1 outdoor unit is out of order Input voltage of sub2 outdoor unit is more than 487V or less than 270V Voltage detection circuit of sub2 outdoor unit is out of order Pressure unbalance between outdoor units Comp locking Check Valve leakage comp dielectric break down Comp locking Check Valve leakage comp dielectric break down Comp locking Check Valve leaka...

Страница 77: ...2 3 1 Inlet sensor of subcooler of HR unit 7 is open or short Outlet sensor of subcooler of HR unit 7 is open or short Failling to receive HR unit 7 signal at outdoor unit Liquid pipe sensor of HR unit 8 is open or short Inlet sensor of subcooler of HR unit 8 is open or short Outlet sensor of subcooler of HR unit 8 is open or short Inlet sensor of subcooler of HR unit 7 Outlet sensor of subcooler ...

Страница 78: ...78 Outdoor Unit Position of the LED01Y in inverter board Test Run ...

Страница 79: ...e of limiting concentration Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken with out 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 Limiting concentration 0 30kg m3 R410A ISO5149 EN378 1 Outdoor unit No 1 sys...

Страница 80: ...s leak alarm linked with mechanical ventilator Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Countermeasure 2 Gas leak alarm Mechanical ventilator Countermeasure 1 Opening effective to ventilation Indoor unit Outdoor unit Indoor unit Smallest room R410A Refrigerant concentration kg m3 Total amount of replenished refrige...

Страница 81: ...P No 3828A24002F Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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