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ENGLISH

Installation Manual 49

Electrical Wiring

1. 50Hz

The GND terminal is a '

–

' terminal for the central controller, not Ground Line

Between Indoor and Master Outdoor unit

IDU

SODU

DRY1 DRY2 GND

INTERNET

12V

Master
Outdoor unit

3 Phase 4 Wires

Power supply

50Hz 380~415V

Power supply

1 Phase 50Hz

220~240V

3 Phase 4 Wires Power line(R, S, T, N)

Transmission line (3 line): Wired remote control

Single Phase of power supply line(L, N)

Transmission line (2 shield line): Between Indoor Unit and Outdoor Unit

Power supply switch
(Switch fuse : ELCB)

Power supply switch

(Switch)

(Main Switch)

Pull Box(Installer option)

HR unit

◆

Example Connection of Transmission Cable

1 Outside Unit

WARNING

•

Indoor Unit ground Lines are required for preventing electrical shock accident during 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 disconnect each of indoor unit separately from

the power supply.

•

Install the main switch that can interrupt all the power sources in an integrated manner because this

system consists of the equipment utilizing the multiple power sources.

•

If there exists the possibility of reversed phase, lose phase, momentary blackout or the power goes on

and off while the product is operating, attach a reversed phase protection circuit locally.
Running the product in reversed phase may break the compressor and other parts.

Содержание ARWB100LA2

Страница 1: ...com IMPORTANT Please read this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly R410A ...

Страница 2: ...Select the Best Location 9 Installation space 11 Water control 13 Lifting method 15 Installation 16 Refrigerant piping installation 20 Device protection unit 30 Refrigerant piping system 32 Y branch pipe and header branch pipe type 41 Leakage test and vacuum 42 Electrical Wiring 44 HR Unit PCB 56 Test Run 73 Cooling tower applied method 82 Caution For Refrigerant Leak 83 Water Solenoid Valve Contr...

Страница 3: ...mproperly electric shock or fire may result Ask the dealer or an authorized technician to install the air conditioner Improper installation by the user may result in water leak age 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 installati...

Страница 4: ... 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 is mixed with the original refrigerant the refrigerant cycle may malfunction and the unit may be damaged Do not reconstruct to change the settings of the protection devices If the pressure switch thermal switch or other protecti...

Страница 5: ...nerator high fre quency medical equipment or radio communication equip ment 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 directly It may cause corrosion on the product...

Страница 6: ...eans of transportation It is dangerous Do not touch the heat exchanger fins Doing so may cut your fingers When transporting the outside unit suspending it at the specified positions on the unit base Also support the outside 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 ai...

Страница 7: ...ntract drawings Indicate clearly who is to be responsible for switch settings 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...

Страница 8: ...et Connecting Pipes Outlet Drain Outlet Range of Operation Cooling C Water Temp Heating C 2 Unit 3 Unit 40 50 60 ARWB400LA2 ARWB500LA2 ARWB600LA2 ARWB200LA2 ARWB200LA2 ARWB200LA2 ARWB200LA2 ARWB200LA2 ARWB200LA2 ARWB100LA2 ARWB200LA2 8 8 8 8 7 3 8 8 8 8 8 8 8 8 8 8 6 7 5 9 64 64 64 238 x 2 170 238 x 2 238 x 3 772 x 1 120 x 547 x 2 772 x 1 120 x 547 x 3 772 x 1 120 x 547 x 3 30 4 x 44 1 x 21 5 x 2 ...

Страница 9: ...eat time of the indoor unit may be lengthened in case of installing the outside unit in winter at following location 1 Shade position with a narrow space 2 Location with much moisture in neighboring floor 3 Location with much humidity around 4 Location where water gathers since the floor is not even The refrigerant R410A has the property of higher operating pressure in comparison with R22 Therefor...

Страница 10: ...pace 300more Servicing space 300more Servicing space 300more Servicing space 450more Servicing space 1 2 3 5 4 6 7 453 174 174 182 218 419 61 137 124 128 30 60 NOTICE 2 NOTICE 2 450 450 100 more Serviceing space 100 more 100 more Serviceing space Serviceing space 100 more Serviceing space Description PRHR040 030 PRHR020 1 Low pressure Gas pipe connection port Ø28 58 Brazing connection Ø22 2 Brazin...

Страница 11: ...In case of the water pipe passing side product please make sufficient service place to avoid occurring between water pipe and product side Service area S H Beam Support unit mm 1120 100 100 Front View 20 100 350 772 Water pipe installation space 600 547 20 Product Outdoor unit Top View Service area Front Product Outdoor unit Product Outdoor unit Unit mm Top view 20 350 350 772 100 772 100 600 547 ...

Страница 12: ...it Installation space Two Layer Installation Space required for two layer installation as shown below considering passage for air and people Service area S H Beam Support 1120 100 100 100 Front View unit mm 1120 100 ...

Страница 13: ...Be careful not to let air in If so the water velocity will be unstable in the circulation pump efficiency will also decrease and may cause the piping vibration Therefore install the air purge where it may generate the air Choose the following anti freezing methods Otherwise it will be dangerous for the pipe to break in the winter Circulate the water with the pump before dropping the temperature Ke...

Страница 14: ... corrosion agent or removing the air can be very effective 3 In case of using the closed type cooling tower the cooling water and supplementing water must satisfy the water quali ty criteria of closed type system in the table 4 Supplementing water and supplied water must be supplied with tap water industrial water and underground water excluding filtered water neutral water soft water etc 5 15 ite...

Страница 15: ...d 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 When carrying in Outside Unit be sure to support it at four points ...

Страница 16: ... unit to fall down resulting in a personal injury Have installation work in order to protect against a strong wind and earthquake Any installation deficiency may cause unit to fall down resulting in a personal injury Especially take care for support strength of the floor surface water drain processing processing of water flown out from the outside unit during operation and paths of the pipe and wi...

Страница 17: ...laring 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 ...

Страница 18: ...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 19: ...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 20: ...en 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 Cap Remove caps and operate valve etc After opera tion always reattach caps tightening torque of valve cap 25Nm 250kg cm or more Don t remove the internal part of the port Service port Make the ref...

Страница 21: ...ludge within the pipe 3 For the working part leakage test apply the nitrogen gas pressure of 3 8MPa 38 7kgf cm2 4 The vacuum criteria is to maintain the vacuum level to less than 5 Torr 1 hour after reaching 5 Torr Execute the vacuum work again when it is below the criteria 5 Open the valve with the hexagon wrench Connecting branch pipe Combination specification Gas pipe Liquid pipe Do not cut for...

Страница 22: ...OD19 05 Slave1 Outside unit pipe Ø 12 7 Ø 9 52 Ø 12 7 Ø 15 88 Ø 19 05 Ø 12 7 Ø22 2 OD19 05 Ø9 52 OD12 7 Main pipe Master Outside unit gas pipe Ø 38 1 Ø 34 9 Ø 34 9 Ø 28 58 Ø 28 58 Ø 41 3 Don t cut the pipe less than 70mm Blow nitrogen while brazing OD28 58 Ø19 05 Ø22 2 Main pipe Master Outside unit pipe Ø 12 7 Ø 19 05 Ø 12 7 Ø 15 88 Ø 22 2 Ø 19 05 Ø9 52 OD12 7 unit mm Y branch A B To outdoor unit ...

Страница 23: ... 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 for HR unit Six sided Nut M10 or M8 Hanger metal Hanger metal Hanger metal Flat washer Flat washer Flat washer M10 Hanging bolt Han...

Страница 24: ...o 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 Gas pipe Ø15 88 Liquid pipe Ø9 52 Brazing Type 1 2 3 4 Remove caps on The brazing part Liquid pipe Low pressure gas pipe High pressure gas pipe HR unit PRHR020 PRHR030 PRHR040 Low pressure gas pipe Ø22 2 Ø28 58 Ø28 58 High pressure gas pipe Ø19 05 Ø22 ...

Страница 25: ...s 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 Unit mm ...

Страница 26: ... refrigerant At such a time always properly charge the unit When servicing always check the notes concerning both the pipe length and the amount of additional refrigerant 9 Never use refrigerant to perform an air purge Always evacuate using a vacuum pump 10 Always insulate the piping properly Insufficient insulation will result in a decline in heating cooling perfor mance drip of condensate and ot...

Страница 27: ...ay 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 WARNING Do not use anti oxidants when brazing the pipe joints Residue can clog pipes and break equipment 3 2 1 4 5 6 1 Refrigerant piping 4 Taping 2 P...

Страница 28: ...y Install a pressure gauge and temperature gauge at the inlet and outlet of the water pipe Flexible joints must be installed not to cause any leakage from the vibration of pipes Install a service port to clean the heat exchanger at the each end of the water inlet and outlet For the components of the water pipe system always use components above the designed water pressure 2 Water pipe connection T...

Страница 29: ...N kgf N m kgf m N m kgf m 12 7 1 2 3 5 350 2 5 250 20 23 5 3 5 19 05 3 4 12 1200 2 5 250 20 2 115 11 5 25 4 1 11 2 1120 4 400 45 4 5 155 15 5 31 8 1 1 4 14 5 1450 6 5 650 87 5 8 75 265 26 5 38 1 1 1 2 16 5 1 7 9 5 0 95 155 16 350 35 5 50 8 2 21 5 2 2 13 5 1 4 255 26 600 61 Pipe thickness Shear stress Tensile stress Bending moment Torque ...

Страница 30: ...If a certain level of water does not flow after installing the flow switch an error sign of CH24 error will be displayed on the product and the product will stop operating When setting the flow switch it is recommended to use the product with default set value to satisfy the minimum flow rate of this product The minimum flow rate range of this product is 50 Reference flow rate 29kW 96LPM 58kW 192L...

Страница 31: ...e wires The wiring method can differ by the manufacturer of the flow switch If necessary adjust the flow rate detection screw after consulting with an expert and adjust to the minimum flow rate range Picture 4 Minimum flow rate range of this product is 50 Adjust the flow switch to touch the contact point when the flow rate reaches 50 of the flow rate Reference flow rate 29kW 96LPM 58kW 192LPM When...

Страница 32: ...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 30 HP or more If the large capacity indoor units 5 10 HP using over Ø15 88 Ø9 52 are installed it should use Valve Group setting A1 C1 D1 D2 D3 D4 D6 D7 D8 D9 D10 E1 E2 A F3 C1 B C2 C3 B1 B2 A2 A3 a...

Страница 33: ...5 3 4 Ø41 3 1 5 8 Ø28 58 1 1 8 Liquid pipe mm inch Low pressure High pressure Gas pipe mm inch Outdoor unit the farthest indoor unit Equivalent pipe length A B C3 D K 150m A B C3 D K 175m First indoor branch the farthest indoor unit B C3 D k 40m First outdoor branch the farthest outdoor unit E F3 10m Difference in height outdoor unit indoor unit H 50m Difference in height indoor indoor unit H 15m ...

Страница 34: ...n 1st and 2nd branch 67kW indoor units Ø15 88 Liquid pipe Ø28 58 Low pressure gas pipe and Ø28 58 High pressure gas pipe in conformity with downward indoor units Since the main pipe diameter of 22HP outdoor unit is Ø15 88 Liquid pipe Ø28 58 Low pressure gas pipe Ø22 2 High pressure gas pipe it should be used as the diameter of the main pipe and the connection pipe between 1st and 2nd indoor branch...

Страница 35: ...Gas pipe Liquid pipe Gas pipe Liquid pipe 1 under 40m Keep the sum of indoor capacity is under 160kBtu hr Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit 2 Same horizontal level 1 under 40m 2 Same horizontal level Y branch Height It s not allowed Keep the sum of indoor capacity is under 160kBtu hr 1 Kee...

Страница 36: ... the stopped outside unit If there is high low difference between the outside unit pipes oil can be accumulated to the outside unit on the lower location until the unit stops High Low difference between the outside units Location of main pipe 2m or less Location of main pipe 2m or less Oil trap Over 200mm Over 2m Location of main pipe 2m or less Over 2m Oil trap 2m or less Oil trap Over 2m Locatio...

Страница 37: ... 20 x 0 061 20 x 0 061 10 x 5 x 0 022 0 5 HR 0 CF 6 48 kg A Ø12 7 50m B Ø9 52 10m C Ø9 52 10m D Ø9 52 10m E Ø6 35 10m Special condition In case of the No of CST TE TQ RAC SE ARTCOOL SF models are over than 50 of the connected indoor units when the total No of connected indoor units are over than 50 of the max connectable indoor units Additional refrigerant charging amount kg A x B x ß AVG x ß A To...

Страница 38: ... 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 WARNING Refer to model information since the CF value of correction factor differs depending on model Total amount of refrigerant in the system 0 44 kg m3 Volume of the ...

Страница 39: ...he 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 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 T...

Страница 40: ...at 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 there is a possibility...

Страница 41: ... 9 52 I D 15 88 I D 19 05 I D 12 7 I D 12 7 I D 19 05 I D 15 88 I D 12 7 I D 19 05 I D 28 58 I D 22 2 I D 19 05 I D 15 88 I D 12 7 I D 19 05 I D 22 2 O D 15 88 I D 9 52 I D 12 7 O D 12 7 I D 6 35 I D 9 52 I D 41 3 I D 38 1 I D 41 3 O D 34 9 I D 34 9 I D 34 9 I D 22 2 I D 15 88 I D 19 05 I D 22 2 I D 22 2 I D 19 05 I D 15 88 I D 12 7 I D 15 88 I D 19 05 I D 22 2 I D 28 58 I D 28 58 I D 38 1 I D 41 ...

Страница 42: ...condition for over 1 hour confirm the vacuum gauge rises If it rises the system may contain moisture or leak 2 Following should be executed if there is a possibility of moisture remaining inside the pipe Rainwater may enter the pipe during work in the rainy season 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...

Страница 43: ...quid may go into the compres sor It may cause faults of the compressor Use a gravimeter accurate to 0 1kg Pipe to be vacuum liquid pipe high pressure gas pipe low pressure gas pipe 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 refrig...

Страница 44: ...lectrical part box of Indoor and Outside Units because the box is some times removed at the time of service work 5 Never connect the main power source to terminal block of transmission line If connected electrical parts will be burnt out 6 Use 2 core shield cable for transmission line O mark in the figure below If transmission lines of different sys tems are wired with the same multiplecore cable ...

Страница 45: ...ted 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 Round pressure terminal Power wire d e e t t c esses Use round pressure terminals for connections to the power terminal block Use ...

Страница 46: ...nit and central controller system pass through the sub PCB for central control When connecting indoor unit with the shield cable ground at the grounding screw When connecting central controller with the shield cable ground at the grounding screw Refer to next page about the distance between main power cable and communication cable Front Panel Control Box and Wiring Location ...

Страница 47: ...Note 1 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 m...

Страница 48: ...disconnect each of indoor unit separately from the power supply Wiring of Main Power Supply and Equipment Capacity Follow ordinance of your governmental organization for technical standard related to electrical equipment wiring reg ulations 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 c...

Страница 49: ...unit Example Connection of Transmission Cable 1 Outside Unit WARNING Indoor Unit ground Lines are required for preventing electrical shock accident during 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 disconnect each of indoor unit separately from the power supply Install the mai...

Страница 50: ...een the units Main Switch Main Switch IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B B B B A A A A 12V Master Outdoor unit Pull Box Installer option Pull Box Installer option HR unit HR unit HR unit HR unit HR unit Master Outdoor unit Example Connection of Transmission Cable 2 Outside Units WARNING Indoor Unit ground Lines are requ...

Страница 51: ...utdoor unit IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B B B B B A A A A A 12V Master Outdoor unit Pull Box Installer option Pull Box Installer option HR unit HR unit HR unit HR unit HR unit Example Connection of Transmission Cable 3 Outside Units WARNING Indoor Unit ground Lines are requir...

Страница 52: ... Connection of Transmission Cable 1 Outside Unit WARNING Indoor Unit ground Lines are required for preventing electrical shock accident during 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 disconnect each of indoor unit separately from the power supply Install the main switch tha...

Страница 53: ...en the units Main Switch Main Switch IDU SODU DRY1 DRY2 GND INTERNET B A 12V Master Outdoor unit IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B B B B A A A A 12V Master Outdoor unit Pull Box Installer option Pull Box Installer option HR unit HR unit HR unit HR unit HR unit Example Connection of Transmission Cable 2 Outside Units WARNING Indoor Unit ground Lines are requi...

Страница 54: ...IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B A 12V IDU SODU DRY1 DRY2 GND INTERNET B B B B B A A A A A 12V Master Outdoor unit Pull Box Installer option Pull Box Installer option HR unit HR unit HR unit HR unit HR unit Example Connection of Transmission Cable 3 Outside Units WARNING Indoor Unit ground Lines are required for preve...

Страница 55: ...unication Cable BUS type Connection of communication cable must be installed like below figure between indoor unit to outside unit STAR type Abnormal operation can be caused by communication defect when connection of communication cable is installed like below figure STAR type ...

Страница 56: ...ing 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 g...

Страница 57: ...ms 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 2 roo...

Страница 58: ... Unit Indoor Unit Large capacity indoor unit Large capacity indoor unit Large capacity indoor unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Models Gas Pipe Liquid pipe ARBLB03320 I D 28 58 I D 25 4 O D 22 2 I D 22 2 I D 19 05 I D 12 7 I D 15 88 I D 9 52 I D 19 05 I D 15 88 I D 22 2 I D 9 52 I D 6 35 I D 9 52 I D 6 35 I D 12 7 I D 9 52 I D 6 35 I D 15 ...

Страница 59: ...entral 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 addre...

Страница 60: ...ts and HR units SW01B DIP S W SW02B DIP S W 7 Segment SW02V Auto addressing SW01V Data confirm 2 Auto pipe detection Turn 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 wh...

Страница 61: ...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 PCB If a...

Страница 62: ...the outdoor 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 SW02V of the outdoor unit main ...

Страница 63: ...1V 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 HR unit and...

Страница 64: ...e 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 of Auto pipe...

Страница 65: ...d Contents Operation Turn dip S W 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 W Display Digit increasing with the times of pressing tack S W is displayed in left 7 SEG Operation Set t...

Страница 66: ...eration Turn dip S W No 1 on Display 11 is displayed in 7 SEG No 1 2 Display and Setup Setup and Contents Operation Turn dip S W No 1 on 7 SEG disappeared SW01M SW03M SW01M SW03M 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 SW01M SW03M ...

Страница 67: ...der after the power is connected This number represents the setting condition Mode code If the applicable dip switch is not set correctly the product may not operate properly SW01B SW02B 7 segment SW01B 1 2 3 4 5 6 7 ON SW02B 1 2 3 4 5 6 7 ON Order Number Item 1 Model code 2 Total capacity HP 3 2 Heat pump model 4 25 Normal mode display If the dip switch is set incorrectly it is not displayed 5 41...

Страница 68: ...tting Remark Standard mode at shipping factory Standard Short Pipe Length Long Pipe Length 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON SW01B Setting SW02B Setting Remark Normal mode at shipping factory Slave1 outside setting at the 2units Slave2 outside setting at the 3units 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 O...

Страница 69: ... 4 5 6 7 ON For water pipe Solenoid Valve 220V power Vacuum Mode Water Pipe Solenoid Valve 220V Functions 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON After operating the dip switch to set the additional function you must reset the power of the main PCB to reflect the changed function After recovering the dip switch to cancel the additional function you must reset the power ...

Страница 70: ... In replacement of the indoor unit PCB always perform auto address setting again If power supply is not applied to the indoor unit operation error occurs Auto addressing is only possible on the main PCB Auto addressing has to be performed after 3 minutes to improve communication The Procedure of Automatic Addressing Auto addressing setting end Numbers of indoor unit connection set whose addressing...

Страница 71: ...roup 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 Terminal block on the main PCB SODU IDU INTERNET DRY1 DRY2 B A B D A C GND 12V B A B A 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 gro...

Страница 72: ...ush button Setting Main PCB Dip SW of Master Outside Unit In case of no Cool Heat Selector connect signal terminal block as below figure And description 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 Mode Setting Off Open GND Connection Mode ...

Страница 73: ...iping system to clean any alien particles inside the pipes and execute an air purge to remove an air within the pipes to make the water supply smoother Clean all the strainers of water pipe including around outside units Execute the test of water supply system without operating the product Check whether outside unit inlet outlet flow rate complies to the product specification Standard Water volume...

Страница 74: ...ase heater of the compressor and let the refrigerant including the oil inside the compressor to evaporate Then the insulation resistance value will increase to more than 2 0 MΩ Check whether the liquid and gas pipes are open Precaution when blocking the water cooling type Multi V main power While using the product Air conditioning season Heating season always connect the main power of the outside ...

Страница 75: ...n t be created 1 Before the season of use check below points Once a year 1 inspection on water quality to check if this is within the standard condition 2 Clean the strainer 3 Check if the flow is appropriate 4 Check if the operation environment is appropriate Pressure flow output temperature 2 Below procedure should be abided by in order to clean the panel heat exchanger Once every 5 years 1 Chec...

Страница 76: ... density must be used Calcium chloride brine can cause corrosion on the plate type heat exchanger and must not be used If the anti freeze liquid is left as is it absorbs the moisture from the air to cause a drop in the density leading to freezing of plate type heat exchanger Therefore minimize the contact surface with the atmosphere and periodically measure the density of the brine to supplement t...

Страница 77: ...y or flow switch trouble of master outside unit Compressor maintenance by slave1 outside unit high pressure switch Flow rate insufficiency or flow switch trouble of slave1 outside unit Compressor maintenance by slave2 outside unit high pressure switch Flow rate insufficiency or flow switch trouble of slave2 outside unit Master outside unit input voltage of 487V or above or 270V or less Slave1 outs...

Страница 78: ...trouble of slave2 outside unit Compressor turned off due to master outside unit low pressure over drop Compressor turned off due to slave1 outside unit low pressure over drop Compressor turned off due to slave2 outside unit low pressure over drop Master outside unit inverter compressor current detection CT sensor disconnection or short circuit Slave1 outside unit inverter compressor current detect...

Страница 79: ...nt from outside unit When the inverter controller signal is not received from the master out side unit inverter controller When the inverter controller signal is not received from the slave1 out side unit inverter controller When the inverter controller signal is not received from the slave2 out side unit inverter controller When the indoor unit control signal is not received from the master out s...

Страница 80: ...iquid pipe temperature sensor disconnection or short circuit Master outside unit over cooling inlet temperature sensor disconnec tion or short circuit Slave1 outside unit over cooling inlet temperature sensor disconnec tion or short circuit Slave2 outside unit over cooling inlet temperature sensor disconnec tion or short circuit 5 4 1 Master outside unit 3 phase power reverse phase 5 4 2 Slave1 ou...

Страница 81: ...d over current Slave2 outside unit static speed compressor burn locking and over current Plate type heat exchanger freeze prevention error Water temperature sensor open short Communication error between main MICOM and sub MICOM 1 1 5 1 Master outside unit over cooling outlet temper ature sensor error 1 1 5 2 Slave1 outside unit over cooling outlet temper ature sensor error 1 1 5 3 Slave2 outside u...

Страница 82: ... between 1st side and 2nd side is main tained constantly Closed type cooling tower Heat source water of the cooling tower is supplied directly to the outside unit system Open type cooling tower Closed type cooling tower 1st side 2nd side Heat exchange When the open type cooling tower is used and the water supply is directly connected to the 2nd heat exchanger product damage by alien particle canno...

Страница 83: ...procedure 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 44kg m3 R410A Outdoor unit No 1 system Flow...

Страница 84: ...chanical ventilator Reducing the outside 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 re...

Страница 85: ...t Water In PCB ODU ODU CN_SV1 to DDC CN_SV2 220V Out Relay Solenoid Valve Relay Water Out Water In Water Solenoid Valve Control Set the dip switch refer to Fig 1 and turn on the power when you individual control for water solenoid valve control Figure 1 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON Central Control Use DDC Port Individual Control Use 220V Out Port ...

Страница 86: ...P No MFL30215324 Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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