INSTALLATION MANUAL INSTALLATIONSANLEITUNG
Contents
1. 1 050 mm 85 mm pa 400 mm 1 000 mm 155 mm 1 AT EE E E I I e eo o w Ir mE um Z 1 080 mm j a En 3 Special nut A Large Accessories 00 Hanging bolt M10 Field supply W LJ Washer Field sup ply m o D Hanger Special nut B Small Accessories A CAUTION Fasten the unit securely with special nuts A and B 3 3 2 Leveling Use the procedure in the following figure to adjust the levelness TI I gU Level meter Y Y Front ry A Level meter B A Y Y Side The side A of the unit with the drain port should be slightly lower than the opposite side B of the unit The height difference between sides A and B should be from 0 to 20 mm 3 3 3 Mounting the duct Follow the procedure in the following figure to install the ducts 324 mm 862 mm 14mm 14mm PEN DR Intake port flange 1 1 _ 27 mm 26 mm Outlet port flange a 295 mm 851 mm Spacing between flange and drain pan A CAUTION To prevent people from touching the parts inside the unit be sure to install grilles on the inlet and outlet ports The grilles must be designed in such a way that cannot be removed without tools The static pressure outside the unit is as follows2. fo ODI Cable clamp e E gt Cable tie Field supply 7 FIELD SETTING There are 3 methods for address setting by FIELD SETTING as follows Set by either of the methods Each setting method is described 1 to 3 below 1 IU AD REF AD SW settings 2 Remote controller settings This section 7 1 Setting the address Refer to the wired or wireless remote controller manual for detailed setting information Set IU AD REF AD SW to 0 3 Automatic address settings Refer to the outdoor unit manual for detailed setting information Set IU AD REF AD SW to 0 CAUTION Be sure to turn OFF the power before performing the field setting 7 1 Setting the address Manual address setting method If the receiver unit is attached the indoor unit address and the refrigerant circuit address can also be set up through the wireless remote controller N CAUTION Use an insulated screwdriver to set the DIP switches Rotary switch Setting Setting range Type of switch Example 0 0 ii amp Rotary switch Remote controller pases r Example 0 E address 0 965 a If 4 indoor units are connected Indoor unit ndoor unit Indoor unit Indoor unit 1 2 3 ok
3. eTelleTel oP Cable clamp e E gt Cable tie Field supply Remove the existing connector and replace it with the remote sensor connector ensure that the correct connector is used The original connector should be insulated to ensure that it does not come into contact with other electrical circuitry Use conduit hole when external output cable is used Setting for room temperature correction When a remote sensor is connected set the function setting of indoor unit as indicated below Function Number 30 Set the Setting Number to 00 Default Function Number 31 Set the Setting Number to 02 Refer to 7 4 Function setting for details about Function Number and Setting Number En 11 6 7 IR receiver unit Optional parts For the installation method please refer to the INSTALLATION MANUAL of IR receiver unit Connection methods Connection terminals Controller PCB BBBH BBBH O IR receiver unit terminal CN18 Wiring arrangement Core Controller PCB alellelelleP
4. Remove insulation from field supplied cable Use crimp type insulated butt connector to join field cable and wire kit wire Connect the wire with connecting wire with solder IMPORTANT Be sure to insulate the connection between the wires Option parts Field supply External input output wire m Solder and insulate the connected parts Connection terminals and wiring arrangement In following figure all the possible connectors are connected for description In actual installation you cannot connect all the connectors at once Controller PCB alellelelleP Cable clamp Cable tie Field supply En 10 6 6 Remote sensor Optional parts For the installation method please refer to the INSTALLATION MANUAL of remote sensor Connection methods Connection terminals Controller PCB O BBBB BHEH O Remote sensor terminal CN8 Wiring arrangement Controller PCB i O aaa sess
5. 1 2 to 1 8 Nem 12 to 18 kgf cm M4 screw Power supply L N GND 6 3 2 Transmission and Remote controller cable Transmission cable 25 mm Shielded cable no film 7 be 5 35 mm Remote controller cable For 3 wire type For 2 wire type v 25 mm v Qc SSS SSS Connect remote controller and transmission cables as shown in Fig B When the 2 cables are attached Fig B PROHIBITED d i Different diameter Connect to 1 side When installing a screw on the terminal block do not cut the cable by overtightening the screw On the other hand an undertightened screw can cause faulty contact which will lead to a communication failure 6 4 Connection of wiring 1 Remove the control box cover and install each connection cable Cover box Loosen the screws 2 locations 2 After wiring is complete clamp the remote controller cable transmission cable and power supply cable with cable tie CAUTION When switching the DIP switch SW1 be sure to turn off the power supply to the indoor unit Otherwise the PC board of the indoor unit may be damaged Oo Oo For 2 wire type For 3 wire type SW1 MR Connect the remote Yl NOn poler Y1 Red ae controller cable Y2 Non poler Y2 White Y3 Do not connect
6. ARXC36 Model 100 to 200 Pa ARXC45 60 Models 100 to 250 Pa If an intake duct is installed take care not to damage the temperature sensor the temperature sensor is attached to the intake port flange Install the air inlet grille for air circulation The correct temperature can not be detected Duct Field supply Outlet Grille Inlet Grille Field supply Field supply Room Be sure to install the air filter in the air inlet If the air filter is not installed the heat exchanger may be clogged and its performance may decrease 4 PIPE INSTALLATION N CAUTION Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant R410A models Also when storing the piping securely seal the openings by pinching taping etc While welding the pipes be sure to blow dry nitrogen gas through them 4 1 Selecting the pipe material N CAUTION Do not use existing pipes from another refrigeration system or refrigerant Use pipes that have clean external and internal sides without any contamination which may cause trouble during use such as sulfur oxide dust cutting waste oil or water It is necessary to use seamless copper pipes Material Phosphor deoxidized seamless copper pipes It is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipe
7. Ree ien Ee ES 13 A WARNING Mak RUN e Do not introduce any substance other than the prescribed refrigerant into the 8 1 Test run using Outdoor unit PCB refrigeration cycle If air enters the refrigeration cycle the pressure in the refrigeration 8 2 Test run using remote controller cycle will become abnormally high and cause the piping to rupture When moving consult authorized service personnel for disconnection and installation of the unit 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant S CHECK UST innies 43 Ifthereisa refrigerant leak make sure that it does not exceed the concentration limit 10 OR CODES If a refrigerant leak exceeds the concentration limit it can lead to accidents such as ERROR DES oxygen starvation Do not touch refrigerant that has leaked from the refrigerant pipe connections or other area Touching the refrigerant directly can cause frostbite 1 3 SAFETY PRECAUTIONS If a refrigerant leak occurs during operation immediately vacate the premises and thoroughly ventilate the area If the refrigerant comes in contact with a flame it Be sure to read this Manual thoroughly before installation produces a toxic gas The warnings and precautions indicated in this Manual contain important information pertaining to your safety Be sure to observe them Hand this Manual to
8. be sure to make a branch outside the indoor unit using a pull box etc as shown on below example DC power supply 12 to 24V 1 1 i i la 4 Load l na ia 9i resistance lj CNAO1 S c gt j BEI no I 6 12 L Oy E j i LS ON PET ws lee eem PREBE iran i E has fs Fa Load i 13 ig i resistance a 1S zi LH i E l i d dcc adcudi Qd cl conocer ees ecg enemies Medeae 1 connected unit UE 13 18 IO 1O 1c 1 e Dry contact terminal CNA02 CNA04 When a power supply is unnecessary at the input device you want to connect use the Dry contact terminal CNAO2 CNAO4 connected unit c Select very low current use contacts usable at DC12V DC1mA or less d The wiring is different from Apply voltage terminals Be sufficiently careful when wiring When connected to Dry contact terminals of multiple indoor units with a connected unit insulate each indoor unit with relay etc as shown on below example x c 2 E o o o gt x o 2 5 o c b gt 5 G o 5 o o c B ET 0 z o n c 2 o o o 2 Device for DC Current NOTE When connected to multiple indoor units directly it will cause breakdown Operation behavior set l1 e Input signal type The input signal type can be selected It is switched by DIP switch on the indoor unit PCB DIP switch Set 2 SW2 Input signal type P
9. indoor unit Indoor unit can be Forced thermostat off by using indoor unit PCB CNA03 or CNA04 Atwisted pair cable 22 AWG should be used Maximum length of cable is 150 m Use an external input and output cable with appropriate external dimension depending on the number of cables to be installed The wire connection should be separate from the power cable line Input select Use either one of these types of terminal according to the application Both types of terminals cannot be used simultaneously e Apply voltage terminal CNA01 CNA03 When a power supply must be provided at the input device you want to connect use the Apply voltage terminal CNAO1 CNAO3 Load 5 i_fesistance 4 Input device 1 Load Input device 2 resistance i Load n 4 resistance a oriundi a Input device 3 connected unit 1 Make the power supply DC12 to 24V Select a power supply capacity with an ample surplus for the connected load Do not impress a voltage exceeding 24V across pins 1 2 and 1 3 a The allowable current is DC 5mA to 10mA Recommended DC5mA Provide a load resistance such that the current becomes DC10mA or less Select very low current use contacts usable at DC12V DC1mA or less b The polarity is for pin 1 and for pin 2 and 3 Connect correctly En 9 When connected to Apply voltage terminals of multiple indoor units with a connected unit
10. table Widih i Pipe outside Width across flats Never use copper pipes thinner than those indicated in the table even if they are idth across flats diameter mm in of Flare nut mm available on the market 6 35 1 4 17 p STE 2 Thicknesses of Annealed Copper Pipes R410A 1 O 12 70 1 2 26 Pipe outside diameter mm in Thickness mm N P 15 88 5 8 29 6 35 1 4 0 80 id 39 99 909 Sn 9 52 3 8 0 80 Re 4 3 2 Bending pipes 12 70 1 2 0 80 The pipes are shaped by your hands or pipe bender Be careful not to collapse them 15 88 5 8 1 00 Do not bend the pipes in an angle more than 90 19 05 3 4 1 20 When pipes are repeatedly bend or stretched the material will harden making it difficult to bend or stretch them any more Do not bend or stretch the pipes more than 3 times TED 4 2 Pipe requirement To prevent breaking of the pipe avoid sharp bends N CAUTION If the pipe is bent repeatedly at the same place it will break Refer to the Installation Manual of the outdoor unit for description of the length of connecting pipe or for difference of its elevation En 4 4 3 3 Pipe connection When the flare nut is tightened properly by your hand hold the body side coupling with a separate spanner then tighten with a torque wrench A CAUTION Hold the torque wrench at its grip keeping it at a right angle with the pipe in order to tighten the flare nut correctly Tighten with 2
11. upper limit of the cooling temperature setting range This setting can be used when connecting to the following controllers Wired remote controller 2 wire type Central remote controller Touch panel controller System controller Service tool Web monitoring tool DIP switch setting Set the DIP switch SET 4 SW3 referring to the Table C IU AD REF AD REF AD KO SET 3 L ON DIP switch SET4 OFF SW SW SW SW 1 2 3 4 Table C DIP switch SET 4 SW3 Cooling temperature setting range OFF Factory setting Standard 18 to 30 C ON Extension 18 to 32 C NOTE Please do not make a standard setup and an extension setup intermingled in remote controller group 7 4 Function setting FUNCTION SETTING can be performed with the wired or wireless remote controller The remote controller is optional equipment Referto the wired or wireless remote controller manual for detailed setting information Set IU AD REF AD SW to 0 Refer to 7 1 Setting the address for indoor unit address and refrigerant circuit address settings Turn the power of the indoor unit ON before starting the setting Turning on the power to the indoor units initializes EEV so make sure the piping air tight test and vacuuming have been conducted before turning on the power Also check again to make sure no wiring mistakes were made before turning on the power Function details
12. well as water leakage First stop the indoor unit by operating the control unit converter or external input device and then cut the breaker Make sure to operate through the control unit converter or external input device When the breaker is designed locate it at a place where the users cannot start and stop in the daily work En 1 of R410A refrigerant is approximately 1 6 times higher than the R22 failure to use dedicated piping material or improper installation can cause rupture or injury Furthermore it can cause serious accidents such as water leakage electric shock or fire Tool name Changes The pressure in the refrigerant system is extremely high and cannot be measured with a conventional gauge To prevent erroneous mixing of other refriger Gauge manifold ants the diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range of 0 1 to 5 3 MPa and a low pres sure display range of 0 1 to 3 8 MPa To increase pressure resistance the hose material and base size were changed The charging port thread diameter for R410A is 1 2 UNF 20 threads per inch Charging hose A conventional vacuum pump can be used by installing a vacuum pump adapter Vacuum pump Be sure that the pump oil does not backflow into the sys tem Use one capable for vacuum suction of 100 7 kPa 5 Torr 755 mmHg Gas leakage detector Special gas leakag
13. which if improperly performed might possibly result in personal harm to the user or damage to PART NO 9373870111 02 A CAUTION might possibly p B property VRF system indoor unit Duct type Contents Read carefully all security information before use or install the air conditioner Do not attempt to install the air conditioner or a part of the air conditioner by yourself This unit must be installed by qualified personnel with a capacity certificate for handling 4 SAFETY PRECAUTIONS intrent nti inne eii aes aeta Rina iue sepes CR aeg 1 refrigerant fluids Refer to regulation and laws in use on installation place 2 ABOUT THE UNIT isesisesissiiesesnccsiscacnincsivnesininasanintniinnaninanivstaniunnsuninentvinentunnsiniseninintoians 4 3 2 1 Precautions for using R410A refrigerant WD S The installation must be carried out in compliance with regulations in force in the place of d installation and the installation instructions of the manufacturer 2 2 Special tool for RA10A 2 3 Accessories This unit is part of a set constituting an air conditioner It must not be installed alone or 2 4 Optional parts a m recreo merit er ee a eR e Odean dades 2 with non authorized by the manufacturer 3 INSTALLATION WORK 3 1 Selecting an installation location 3 2 Installation dimeflsior 2 ire eei ertet eter titres rte eec 3 9 iIMStallatiom the UMi sce cie te recientes tient deest haeret dec
14. 1 Y3 Black Set the DIP switch 2WIRE DIP switch SW1 Factory setting 1 If you connect the remote controller cable to the terminal Y3 2 wire type remote controller does not work 3WIRE Remote controller cable Y1 Red Y2 White Y3 Black F SIS X1 X2 Transmission cable Cable tie Medium Accessories L N Power supply cable Cable clamp En 8 A CAUTION When installing a screw on the terminal block do not cut the cable by overtightening the screw On the other hand an undertightened screw can cause faulty contact which will lead to a communication failure 3 Attach the control box cover 6 5 External input and external output Optional parts E OFF Dry contact terminal Swit SW1 ELLI SET2 sw E CNAO4 SW3 ELI CNAO2 sw4 Oe MM Oo B o Output terminal CNBO1 g ess aw voltage terminal CNAO1 O O CNA03 Controller PCB 1 External input Indoor unit can be Operation Stop Emergency stop or Forced stop by using indoor unit PCB CNAO1 or CNAO2 Operation Stop mode Emergency stop mode or Forced stop mode can be selected with function setting of
15. En 7 6 2 Wi EXAMPLE ng method Outdoor unit or RB unit 1 Transmission xt Y a 7 ni dm 1 i i n Indoor unit Indoor unit Indoor unit M D M Transmission xt w v vs Remote xt zi JAA control Power supply 2 3 2 3 Nn L LNE Oo Oo lii Breaker Breaker Breaker M mn vivus LIN LIN LIN Remote controller Remote controller Remote controller Master Slave 1 When connecting to the Heat Recovery System refer to the installation manual of the RB unit 2 Earth Ground the remote controller if it has a earth ground cable 3 When connecting the 2 wire type remote controller Y3 is not used Power supply Crossover wiring of power supply Indoor unit Indoor unit Indoor unit Power supply Power supply Power supply e e m o uS uS Pull box H n Breaker Pull box L n Power supply Ground the remote controller if it has an earth ground wire Connect the earth ground wire of the remote controller to the earth ground terminal of transmission Before attaching the cable to terminal block 6 3 1 Power supply cable Adjust the length of p
16. FA Main Fuse Ampacity When the power crossover wiring is done make it so that the total of the MCA of the connected RB units and indoor units does not exceed the 15 A For RB unit MCA refer to the RB unit installation manual If the capacity of connected RB units and indoor units exceeds the upper limit either add breakers or use a breaker with a greater capacity B Earth leakage breaker requirements Maximum connectable indoor units or Breakercapacity indoor units RB units 30 mA 0 1 sec or less 44 or less 100 mA 0 1 sec or less 45 to 128 Heat pump type indoor units Heat recovery type indoor units and RB units f the total number of units connected to the breaker exceeds 44 either add a 30mA breaker or use breakers with a greater capacity 6 1 1 Cable specifications Follow the specifications below for the power supply transmission and remote controller cable Recommended cable size mm Cable type Remark 19 50 Hz n 2s HN E 2 Cable earth ground 22 AWG Transmission cable 0 33 LONWORKS LEVEL 4 NEMA non po lar 2 core twisted pair sol id core diameter 0 65 mm compatible cable Remote controller cable 0 33 to 1 25 Sheathed PVC cable Non polar 2 core 2 wire type eos controller cable 0 33 Sheathed PVC cable Polar 3 core 3 wire type Use shielded cable in accordance with local rules for remote controller cable
17. FF 01 Stop TE 9 thermistor are necessary 8 TEST RUN 8 1 Test run using Outdoor unit PCB Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to be used for the test run 8 2 Test run using remote controller Refer to the Installation Manual for the remote controller to perform the test run using the remote controller When the air conditioner is being test run the OPERATION and TIMER indicator lamps flash slowly at the same time For details please refer to the Manual of IR Receiver Unit or Wired Remote Controller 9 CHECK LIST Pay special attention to the check items below when installing the indoor unit s After installation is complete be sure to check the following check items again Check Check items box If not performed correctly Has the indoor unit been installed cor rectly Has there been a check for gas leaks refrigerant pipes Has heat insulation work been com Vibration noise indoor unit may drop No cooling No heating Water leakage indicator 11 01 Longer early change to setting 01 If the pleted interval notification is too late change to Does water drain easily from the 02 Shorter setting 02 indoor units Water leakage Is the voltage of the power source the 00 Enable O same as that indicated on the label on No operation heat or burn damage the indoor
18. Function Ruben Default Details Function Setting number 00 Default C Adjust the filter cleaning interval Filter notification If the notification is too 00 Enable Auto 40 Enable or disable automatic system restart 01 Disable O restart after a power outage 00 Super low O J A Restrain the cold airflow with mak Cool Air p Preven 43 Follow the ing the airflow lower when starting tion 01 setting on heating operation To correspond to the remote the ventilation set to 01 controller Allow an external controller to start 00 Start Stop O or stop the system or to perform an emergency stop If an emergency stop is performed from an external controller External 46 01 emergen all refrigerant systems will be trol ti eye THE disabled f forced stop is set indoor unit Forced stops by the input to the external 02 stop input terminals and Start Stop by a remote controller is restricted 00 All O n Change the target for reporting er Display Error re 47 onion rors Errors can either be reported port target y in all locations or only on the wired 01 central remote remote controller Follow the When set to 01 the fan stops when Fan set F ti setting on the thermostat is OFF in cooling ing when 00 O d cooling 49 the remote operation Connection of the wired controller remote controller 2 wire type thermostat or 3 wire type and switching its O
19. _AMIRSTAGE M ug A OW ARXC36GATH ARXC45GATH ARXC60GATH Z CAUTION ge Air Conditi operates with ref Tefrigera SOMDA THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to Commonweal Sith State Territory an and loc aak rogni ulati Ku instal operation manual the istal alla atio oe ahah alee r service of this S pro ai ict FUJITSU GENERAL LIMITED INSTALLATION MANUAL INDOOR UNIT Duct Type For authorized service personnel only INSTALLATIONSANLEITUNG INNENGERAT Kanaltyp Nur fur autorisiertes Fachpersonal MANUEL D INSTALLATION APPAREIL INTERIEUR type conduit Pour le personnel agr uniquement MANUAL DE INSTALACION UNIDAD INTERIOR Tipo conducto Unicamente para personal de servicio autorizado MANUALE DI INSTALLAZIONE UNIT INTERNA tipo a condotto A uso esclusivo del personale tecnico autorizzato EFXEIPIAIO ETKATAZTAZHZ EXOTEPIKH MONAAA T rrog Aywyou M vo yia EEOUDIOSOTNHEVO TEXVIK TIPOOWTTIKO MANUAL DE INSTALA O UNIDADE INTERIOR Tipo de tubagem Apenas para t cnicos autorizados PYKOBOOCTBO NO YCTAHOBKE BHYTPEHHMIA MODYNb Kopo6 Tonbko gna aBTOPU30BaHHOrO oOcnykuBatolwero nepcoHara MONTAJ KILAVUZU ic UNITE Kanal Tipi Yalnizca yetkili servis personeli icin PART NO 9373870111 02 o c S T 2 INSTALLATION MAN UAL This mark indicates procedures
20. a aset ken teer 3 The unit must be correctly grounded and the supply line must be equipped with a dif lferential breaker in order to protect the persons Always use a separate power supply line protected by a circuit breaker operating on all wires with a distance between contact of 3mm for this unit 4 PIPE INSTALLATION 4 1 Selecting the pipe material 4 2 Pipe requirement 4 3 Flare connection pipe connection 4 4 Installing heat insulation 5 INSTALLING DRAIN PIPES 4 4 i The units are not explosion proof and therefore should not be installed in explosive atmo 4 i sphere 4 5 Never touch electrical components immediately after the power supply has been turned off Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components 6 ELECTRICAL WIRING eese tntnn nnne tnnt EAEE SLEASA 6 This unit contains no user serviceable parts Always consult authorized service personnel 6 1 Electrical requirement to repairs 6 2 Wiring method 6 3 Unit wiring 6 4 Connection of wiring 6 5 External input and external output Optional parts 6 6 Remote sensor Optional parts 6 7 IR receiver unit Optional parts 7 FIELD SETTING 7 1 Setting the address 7 2 Custom code setting 7 3 Switching the upper limit of cooling temperature TA Funcion Setting etr eret edere etd inertiae ete Dre
21. ave the space required to service the air conditioner 4 Install the unit where connection to the outdoor unit or RB unit is easy 5 Install the unit where the connection pipe can be easily installed 6 Install the unit where the drain pipe can be easily installed 7 Install the unit where noise and vibrations are not amplified 8 Take servicing etc into consideration and leave the spaces Also install the unit where the filter can be removed 9 Do not install the unit where it will be exposed to direct sunlight 3 2 Installation dimension Install at least 20 mm from the ceiling 20 mm or more Provide a service hole for inspection purposes as shown below Do not place any wiring or illumination in the service space as they will impede service fso mm or more KXXXX Service hole VZ Z7Z4 Service space 3 3 Installation the unit Z WARNING Install the air conditioner in a location which can withstand a load of at least 5 times the weight of the main unit and which will not amplify sound or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries A CAUTION Confirm the directions of the air intake and outlet before installing the unit The unit takes in air from the evaporator side and expels it from the fan side 3 3 1 Installing the hangers Hanging bolt installation diagram
22. de Field supply Drain pipe VP25 Field supply Wrap the Drain hose insulation around the drain hose connection Drain hose insulation Accessories Drain pan Drain hose Hose opening view 6 ELECTRICAL WIRING Wind the attached heat insulation around the hose band Make sure the E alignment is on top A WARNING i Electrical work must be performed in accordance with this Manual by a person certified under the national or regional regulations Be sure to use a dedicated circuit for the unit An insufficient power supply circuit or improperly performed electrical work can cause serious accidents such as electric shock or fire Before starting work check that power is not being supplied to the all units Use the included connection cables and power cables or ones specified by the manufacturer Improper connections insufficient insulation or exceeding the allowable After installing the Drain hose check if the drainage is smooth current can cause electric shock or fire For wiring use the prescribed type of cables connect them securely making sure that there are no external forces of the cables applied to the terminal connections Downward gradient Improperly connected or secured cables can cause serious accidents such as 2 5 5 0mm overheating the terminals electric shock or fire Do not modify the power cables use extension cables or use any branches in the wiring Impro
23. e detector for R410A refrigerant 2 3 Accessories 2 4 Optional parts The following options are available A SIS Description Model No Application For installation purposes be sure to use the parts supplied by the manufacturer or External output wire 9379529013 For output port other prescribed parts The use of non prescribed parts can cause serious accidents External input wire D 9368779016 For control input port such as the unit falling water leakage electric shock or fire Apply voltage terminal i For control input port The following installation parts are furnished Use them as required External input wire F 290079024 Dry contact terminal f For forced thermostat off port Keep the Installation Manual in a safe place and do not discard any other accessories External input wire B 9368778002 Apply voltage terminal i until the installation work has been completed i For forced thermostat off port External input wire E 9368778019 Dry contact terminal ELTE Remote sensor UTY XSZX Room temperature sensor Name and Shape Q ty Application IR receiver unit UTB WC For the wireless Operating Manual remote controller When installing please refer to the installation manual of each optional part 1 Correct initial installation location is important because it is dif
24. er heat insulation Large For indoor side pipe joint Large Do not use the unit for special purposes such as storing food raising animals growing plants or preserving precision devices or art objects It can degrade the quality of the preserved or stored objects 1 Do not install where there is the danger of combustible gas leakage Do not install the unit near a source of heat steam or flammable gas Special nut A For suspending the indoor unit from Install the unit where drainage does not cause any trouble Large flange ceiling Install the indoor unit power supply cable transmission cable and remote controller 4 cable at least 1 m away from a television or radio receivers The purpose of this is to prevent TV reception interference or radio noise Even if they are installed more than 1 m apart you could still receive noise under some signal conditions If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit Special nut B Small flange Take precautions to prevent the unit from falling 4 For installing drain pipe VP25 O D 32 I D 25 2 For installing drain hose 2 Drain hose insulation For installing drain hose 2 En 2 1 Install the indoor unit on a place having a sufficient strength so that it withstands against the weight of the indoor unit 2 The inlet and outlet ports should not be obstructed the air should be able to blow all over the room 3 Le
25. ficult to move unit after it is installed Installation Manual This book 3 1 Selecting an installation location 1 Decide the mounting position together with the customer as follows Z WARNING Select installation locations that can properly support the weight of the indoor unit Cable tie Large For fixing the coupler heat Install the units securely so that they do not topple or fall insulation p d 4 CAUTION CY TE Do not install the indoor unit in the following areas Area with high salt content such as at the seaside It will deteriorate metal parts Cable tie Medium For transmission and remote con causing the parts to fail or the unit to leak water troller cable binding Area filled with mineral oil or containing a large amount of splashed oil or steam Eu 2 such as a kitchen It will deteriorate plastic parts causing the parts to fail or the unit to leak water Area that generates substances that adversely affect the equipment such as sulfuric hlori id Ikali It will th i d brazed joints t Coupler heat insulation Small For indoor side pipe joint Small Se ee ey Opa a ee en er corrode which can cause refrigerant leakage E Area that can cause combustible gas to leak contains suspended carbon fibers or CK 1 flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire Area where animals may urinate on the unit or ammonia may be generated Coupl
26. g 1 Use ring terminals with insulating sleeves as shown in the figure below to connect to the terminal block 2 Securely clamp the ring terminals to the cables using an appropriate tool so that the cables do not come loose 3 Use the specified cables connect them securely and fasten them so that there is no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged and prevent the screws from being properly tightened 5 Do not tighten the terminal screws too much otherwise the screws may break 6 See the table for the terminal screw tightening torques 7 Please do not fix 2 power supply cables with 1 screw Strip 10 mm P Screw with special washer Ring terminal Ring terminal Sleeve Screw with Cable special washer Ring terminal z zz Terminal block 1 Cable Tightening torque M3 screw Transmission X1 X2 Remote controller Y1 Y2 Y3 0 5 to 0 6 Nm 5 to 6 kgf cm N CAUTION To peel the film from the lead cable use a dedicated tool that will not damage the conductor cable Z WARNING Use ring terminals and tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit Tightening torque
27. gether with the Operating Manual to the customer Request the cus tomer to keep them on hand for future use such as for relocating or repairing the unit E 2 2 Special tool for R410A This mark indicates procedures which if improperly performed WARNING might lead to the death or serious injury of the user A WARNING Request your dealer or a professional installer to install the indoor unit in accordance i To install a unit that uses R410A refrigerant use dedicated tools and piping materials with this Installation Manual An improperly installed unit can cause serious accidents that have been manufactured specifically for R410A use Because the pressure such as water leakage electric shock or fire If the indoor unit is installed in disregard of the instructions in the Installation Manual it will void the manufacturer s warranty Do not turn ON the power until all work has been completed Turning ON the power before the work is completed can cause serious accidents such as electric shock or fire If refrigerant leaks while work is being carried out ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas Installation work must be performed in accordance with national wiring standards by authorized personnel only Except for EMERGENCY never turn off main as well as sub breaker of the indoor units during operation It will cause compressor failure as
28. k L 3 3 ta Da e eol ead co RC AD SW RC AD SW RC AD SW RC AD SW x10 t 0 Remote controller range 907 A Mo Indoor unit address 0 to 63 example v bad 2 969 IU AD x 10 IU AD x 1 E RC AD SW 907 907 sono R7 REM y w v w 1 9c 9c RC AD SW Refrigerant circuit address 0 to 99 ae j ii 2 wire type REF AD x 10 REF AD x 1 i Rotary switch RC AD SW Factory setting 0 Since the remote controller address settings are automatically configured you do not 1 Indoor unit address need to configure them If configuring manually it is necessary to configure both the indoor unit and the remote Rot itch IU AD x 1 Fact tting 0 otary switch Factory setting controller For details please refer to the remote controller manual Rotary switch IU AD x 10 Factory setting O When connecting multiple indoor units to 1 refrigerant system set the address at IU AD SW as shown in the Table A T 2 Refrigerant circuit address 7 2 Custom code setting Rotary switch REF AD x 1 Factory setting 0 Rotary switch REF AD x 10 Factory setting 0 In the case of multiple refrigerant systems set REF AD SW as shown in the Table A Selecting the custom code prevents the indoor unit mix up Up to 4 codes can be set p i Perfor
29. m the setting for both the indoor unit and the remote controller or each refrigerant system Set to the same refrigerant circuit address as the outdoor unit Code change If working in an environment where the wireless remote controller can be used the Confusion A B C D addresses can also be set using the remote controller Indoor If setting the addresses using the wireless remote controller set the indoor unit unit H m gor T 3 T address and refrigerant circuit address to 00 i Mu de kat qe i i i For information on setting using the wireless remote controller sheer s i Remote controller A B C D Table A Rotary Rotary Custom code setting for indoor unit Address Address Switch Setting Set the DIP switch SET 3 SW1 SW2 referring to the Table B IU AD IU AD REF AD x10 X1 X10 Switch Setting REF AD SW Refrigerant circuit e es DIP switch SET3 OFF N m 6 8 9 0 9 Table B Do not set the indoor unit address IU AD SW at 64 to 99 ugs It may result in failure 3 Remote controller address A setting TAEA i 3 wire type Rotary switch RC AD SW Factory setting 0 When connecting multiple indoor units to 1 standard wired remote controller set the DIP switch SET3 SW2 ae ror address at RC AD SW in sequence from 0 En 12 7 3 Switching the upper limit of cooling temperature This setting can be raised the
30. nding work can cause electric shocks Trap Install the remote controller cables so as not to be direct touched with your hand Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively Safety drain There is no need to provide a trap for the safety drain If the safety drain is connected to the main drain make the connection below the main trap If the supply cable is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard Connect the connection cable firmly to the terminal board Imperfect installation may cause a fire Unit Drain pipe Main Drain pipe Safety Make sure that drain pipe is installed without rises Do not perform air bleeding PROHIBITED Rise Air bleeding X Rise N CAUTION Be sure to properly insulate the drain pipes Make sure the drain water is properly drained En 6 A CAUTION Earth Ground the unit Do not connect the earth ground cable to a gas pipe water pipe lightning rod or a telephone earth ground cable Improper earthing grounding may cause electric shock Do not connect power supply cables to the transmission or remote controller terminals as this will damage the product Never bundle the power supply cable and transmissi
31. ng refrigerant to leak and generate a hazardous gas if the refrigerant comes into contact with a flame 4 3 1 Flaring Use special flare tool exclusive for R410A 1 Cutthe connection pipe to the necessary length with a pipe cutter 2 Hold the pipe downward so that cuttings will not enter the pipe and remove any burrs 3 Insert the flare nut always use the flare nut attached to the indoor and respectively onto the pipe and perform the flare processing with a flare tool Use the outdoor units or RB unit special R410A flare tool Leakage of refrigerant may result if other flare nuts are used 4 Protect the pipes by pinching them or with tape to prevent dust dirt or water from entering the pipes Check if L is flared uniformly and is not cracked or scratched Die Dimension A mm Pipe E visus Flare tool for R410A Dimension B4 mm clutch type 6 35 1 4 9 4 9 52 3 8 13 2 12 70 4 2 0 to 0 5 16 6 15 88 5 8 197 19 05 3 4 24 0 When using conventional R22 flare tools to flare R410A pipes the dimension A should be approximately 0 5 mm more than indicated in the table for flaring with R410A flare tools to achieve the specified flaring Use a thickness gauge to measure the dimension A t is recommended that a R410A flaring tool is used Thicknesses of copper pipes used with R410A are as shown in the
32. normal Unit or Wired Remote Controller ndoor unit main PCB eo eo o i c nak ndoor uni communication circuit e 3 e 10 o 3H wired remote controller error ndoor unit room temp eo e o u thermistor error ndoor unit heat ex 4 2 o ue temp thermistor error 9 5 Oo 1 o G wie unit fan motor 1 ndoor unit coil e 5 e 2 o G c expansion valve error ndoor unit water drain e o e 0 o E 4 abnormal D Outdoor unit 2 15 Bl miscellaneous error 13 1 o E RB unit error Display mode 0 5s ON 0 5s OFF 0 1s ON 0 1s OFF Number of flashing En 14
33. on cable remote controller cable together Separate these cable by 50 mm or more Bundling these cables together will cause miss operation or breakdown When handling PCB static electricity charged in the body may cause malfunction of the PCB Follow the cautions below Establish an earth ground for the indoor and outdoor units and peripheral devices Cut power breaker off Touch metal part of the indoor unit for more than 10 seconds to discharge static electricity charged in the body Do not touch terminals of parts and patterns implemented on PCB 6 1 Electrical requirement Voltage rating 230V Operating range 198 to 264 V Select the power cable type and size in accordance with relevant local and national regulations Specifications for local wiring power cord and branch wiring are in compliance with local code Max wire length Set a length so that the voltage drop is less than 2 Increase the wire diameter when the wire length is long Refer to the table for the breaker specifications of each installation condition Perform the power crossover wiring within the range of the same refrigerant system When the crossover wiring is done make a connection for indoor units to satisfy conditions A and B below A Current breaker requirements Model MCA MFA ARXC36GATH 211A ARXC45GATH 3 77A 20A ARXC60GATH 3 78 A MCA Minimum Circuit Ampacity M
34. operation by a remote controller is restricted When forced stop function is used with forming a remote controller group connect the same equipment to each indoor unit within the group Selection method of functions Operation Stop mode or Emergency stop mode Forced stop mode can be selected with function setting of indoor unit e Forced thermostat off function Edge input only Connector Input signal Command OFF ON Thermostat off Ch3 of CNAO3 or CNA04 ON OFF Normal 2 External output Atwisted pair cable 22AWG should be used Maximum length of cable is 25m Use an external input and output cable with appropriate external dimension depending on the number of cables to be installed Output voltage Hi DC12V 2V Lo OV Permissible current 50mA Output select e When indicator etc are connected directly connected unit e When connecting with unit equipped with a power supply Connected device 1 Connected device 2 Connected device 3 connected unit Relay Field supply Operation behavior Connector Output voltage Status External output1 ov Stop minsa DC 12V Operation External output2 ov Normal CNBO1 Pins 1 3 Bid DC 12V Error External output3 ov Indoor unit fan stop bing 1 4 DC 12V Indoor unit fan operation 3 Connection methods Wire modification Remove insulation from wire attached to wire kit connector
35. ower supply cable to avoid excessive tension with referring figure below Power supply cable 25 mm Earth Ground cable 35 mm fg N A For solid core wiring 1 To connect the electrical terminal follow the below diagram and connect after looping it around the end of the cable 2 Use the specified cables connect them securely and fasten them so that there is no stress placed on the terminals 3 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged and prevent the screws from being properly tightened 4 Do not tighten the terminal screws too much otherwise the screws may break 5 See the table for the terminal screw tightening torques 6 Please do not fix 2 power supply cables with 1 screw Strip 25 mm Loop Screw with special washer Screw with Cable special washer Cable end Loop m Cable end Loop Z WZ Cable 7 Terminal block Bo A WARNING A WARNING When using solid core cables do not use the ring terminal If you use the solid core cables with the ring terminal the ring terminal s pressure bonding may malfunction and cause the cables to abnormally heat up Tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit B For strand wirin
36. per connections insufficient insulation or exceeding the allowable PROHIBITED H current can cause electric shock or fire Match the terminal board numbers and connection cable colors with those of the outdoor unit or RB unit Erroneous wiring may cause burning of the electric parts a Securely connect the connection cables to the terminal board In addition secure the i cables with wiring holders Improper connections either in the wiring or at the ends of the wiring can cause a malfunction electric shock or fire INSTALL THE DRAIN PIPE Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric discharge may occur Main drain On the main drain provide 1 trap near the indoor unit Securely install the electrical box cover on the unit An improperly installed electrical box cover can cause serious accidents such as electric shock or fire through exposure Unit j to dust or water H1 100 mm Approx 3 H2 50 to 100 mm i Install sleeves into any holes made in the walls for wiring Otherwise a short circuit could result Drain pipe Main Install an earth leakage breaker In addition install the earth leakage breaker so that the entire AC main power supply is cut off at the same time Otherwise electric shock or fire could result Always connect the earth ground cable Improper earthing grou
37. s that have a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants Improper pipe selection will degrade performance As an air conditioner using R410A incurs pressure higher than when using conventional R22 refrigerant it is necessary to choose adequate materials Use pipe with water resistant heat insulation A CAUTION Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation with heat resistance above 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant piping If the expected humidity level is 70 to 80 96 use heat insulation that is 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition use heat insulation with heat conductivity of 0 045 W m k or less at 20 C 4 3 Flare connection pipe connection Z WARNING Tighten the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causi
38. splay If you use a wireless remote controller the lamp on the photodetector unit will output error codes by way of blinking patterns See the lamp blinking patterns and error SU MO TU WE i FR E codes in the table below E JE 3 JEK Error indications Wired Remote OPERATION TIMER lamp FILTERlamp Controller Error contents lamp green orange red Error code URY RNRY UTY RNRG 2 wire type Remote controller 1 e0 eo o c icf communication error A Error icon Touch the Next Page or previous page to switch to other indoor unit information Network communication oc Status Page 1 3 Error Information i Page 1 5 e0 4 T NES 4 T eo p error VT 1 i E Er pi WIE ely Anti Freeze Peripheral unit of eo eo o Ib communication error i GJ Monitor Ea Era Touch the Status Touch the Error Information Indoor unit address 2 6 o r A i e e L setting error 2 digit numbers are corresponding to Error Code the error code in the preceding table 14 15 Connection unit number 1 L in afin ud Q 2 o 9 o error in wired remote m controller system For more information refer to the installation manual of the remote controller e 3 e 1 o ndoor unit power supply For details on marking the ERROR CODES please refer to the Manual of IR Receiver ab
39. ulse OFF Factory setting Edge The width of pulse ON Pulse must be longer than 200msec e When function setting is Operation Stop mode In the case of Edge input Connector Input signal Command OFF ON Operation Ch1 of CNA01 or CNAO2 ON OFF Stop In the case of Pulse input Connector Input signal Command Ch1 OFF ON Operation CNAO01 or CNAO2 Ch2 OFF ON Stop The last command has priority The indoor units within the same remote controller group operates in the same mode e When function setting is Emergency stop mode In the case of Edge input Connector Input signal Command OFF ON Emergency stop Ch1 of CNAO1 or CNA02 ON OFF Normal In the case of Pulse input Connector Input signal Command Ch1 OFF ON Emergency stop CNAO1 or CNA02 Ch2 OFF ON Normal All indoor units of same refrigerant system stops when Emergency stop operates e When function setting is Forced stop mode In the case of Edge input Connector Input signal Command OFF ON Forced stop Ch1 of CNAO1 or CNA02 ON OFF Normal In the case of Pulse input Connector Input signal Command Ch1 OFF ON Forced stop CNAO1 or CNAO2 Ch2 OFF ON Normal When the forced stop is triggered indoor unit stops and Operation Stop
40. unit 5 01 Disable T n Filter Enable or disable the filter indicator Are the wires and pipes all connected N d indicator 13 Display Setting 02 is for use with a central completely o operation heat or bum damage action only on remote controller Is the indoor unit earthed grounded Short circuit 02 central n z s the connection cable the specified remote thickness No operation heat or burn damage sols Are the inlets and outlets free of any No cooling No heating Cool air 00 Default O Adjust the cool air trigger obstacles tem temperature To lower the trigger Does start and stop air conditioner perature 30 01 Adjust 1 uris Fiche edic eain operation by remote controller or No operation trigger external device 02 Adjust 2 Setting 02 After installation is completed has the 00 Default Oo Adjust the heat air trigger proper operation and handling been H temperature To lower the trigger explained to the user eat air 3 tem 01 Adjust 1 temperature by 6 degrees C use perature 31 setting 01 To lower the trigger trigger 02 Adjust 2 temperature by 4 degrees C use setting 02 To raise the trigger 03 Adjust 3 temperature use setting 03 En 13 1 0 ERROR CODES Wired Remote Controller Display UTY RNKY UTY RNKG UTY RNKYT 3 wire type If you use a wired type remote controller error codes will appear on the remote controller E d rror code di
41. wrenches Holding wrench Flare nut Torque wrench Indoor unit pipe Body side Connection pipe A CAUTION Be sure to install the pipe against the port on the indoor unit and the outdoor unit correctly If the centering is improper the flare nut cannot tightened smoothly If the flare nut is forced to turn the threads will be damaged Do not remove the flare nut from the indoor unit pipe until immediately before connecting the connection pipe Do not use mineral oil on flared part Prevent mineral oil from getting into the system as this would reduce the lifetime of the units Tightening torque N m kgf cm 16 to 18 160 to 180 32 to 42 320 to 420 49 to 61 490 to 610 63 to 75 630 to 750 90 to 110 900 to 1 100 Flare nut mm in 6 35 1 4 dia 9 52 3 8 dia 12 70 1 2 dia 15 88 5 8 dia 19 05 3 4 dia 4 4 Installing heat insulation Install the coupler heat insulation after completing the refrigerant leak check for details refer to the Installation Manual for the outdoor unit Coupler heat insulation Accessories Cover this portion with heat insulation Cable tie Large Heat insulation Accessories A CAUTION There should be no gaps between the insulation and the product En 5 5 INSTALLING DRAIN PIPES Use general hard polyvinyl chloride pipe VP25 and connect it with adhesive polyvin
42. yl chloride so that there is no leakage The position of the installed drain pipe should have a downward gradient of 1 100 or more To prevent the pipe from freezing use a heat insulation material as needed Position of drain piping 139 mm pipes 123 mm 41 mm EI E E E E E E E eo eo Kel eo e re UY N e e I pi HL Main drain port Safety drain port Drain pipe For main drain port For safety drain port 32 mm VP25 This product has drain ports in 2 locations Follow the procedure in the figure to connect drain hose and drain pipes to each of them INSTALL THE DRAIN HOSE TO THE MAIN AND SAFETY DRAIN PORT Working procedure 1 Install the attached drain hose to the main and safety drain port of the body Install the hose band from the top of the hose within the graphic display area Secure firmly with the hose band 2 Use vinyl adhesive agent to glue the drain piping PVC pipe VP25 which is prepared on site or piping socket Apply color adhesive agent evenly until the gauge line and seal 3 Check the drainage 4 Install the heat insulation 5 Use the attached heat insulation to insulate the drain port and band parts of the body Ensure there is no space Hose Band Accessories Soft PVC side Drain pan Drain hose 10 to 15 mm Accessories Applying area of adhesive Joint pipe Hard PVC si
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