INSTALLATION MANUAL MANUEL D'INSTALLATION
Contents
1. 3 Install special nut A then special nut B onto the hanging bolt Fig D Ceiling 4 Raise the body and mount its hooks onto the hanging bolt between the special nuts When the outlet is shut be sure to install the optional Air outlet shutter plate kit For the details of installation please refer to Installation Manual of kit 3 4 Installing the unit indem Install the air conditioner as follows 5 Turn special nut B to adjust the height of the body 6 Be sure to leave service access for future service at the designated position A 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 If the job is done with the panel frame only there is a risk that the unit will come loose 27 9 16 in 700 mm Decoration Panel When fastening the hangers make the bolt positions uniform 22 27 32 25 31 32 in 580 660 mm Ceiling openings Perform final tightening by tightening the double nut firmly The product may fall if not installed properly 20 7 8 in 630 mm Hanging bolt position Using a level or vinyl hose filled with water fine adjust so that the body is level 4 PIPE INSTALLATION Be more careful that foreign matter oil water etc does not2. supply Remote supply Remote supply Remote ule control ue control une control ND NO mm e O oO Pull box H n Breaker 2 Pull box I Breaker 1 11215 DB m Remote Remote Remote H IN controller controller controller Master Slave Power supply Before attaching the cable to terminal block 6 3 1 Power supply cable For U S A and Canada 1 31 32 in 50 mm Conduit connector Earth ground 1 31 32 in 50 mm wire For Others 25 32 in 20 mm Earth ground L 1 3 16 in 30 mm wire 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 31 32 in 25 mm gt ef E Screw el h Screw with Cable special washer special washer Cable end Loop e Cable end Loop f zj WZ Terminal block Cable A WARNING When
3. 4 3 Flare connection pipe connection N WARNING Tighten the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causing 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 RA10A 1 Cut the 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 outdoor units respectively onto the pipe and perform the flare processing with a flare tool Use the 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 B and is not cracked or scratched PW Dimension A in mm Pipe outside diameter Flare tool for R410A loann clutch type 1 4 6 35 3 8 9 52 Dimension Bi 04 in mm 11 32 9 1 17 32 13 2 O to 0 020 21 32 16 6 0 to 0 5 1 2 12 70 5 8 15 88 25 32 19 7 3 4 19 05 15 16 24 0 When using conventional R22 flare tools to flare R410A pipes the dimension A should be approximately 0 020 in 0 5 mm more than indicated in the table for flaring
4. A Adjust the cool air trigger temperature To ower the trigger temperature use setting To raise the trigger temperature use setting 02 gt gt 2 just the heat air trigger temperature To lower the trigger temperature by 11 degrees F 6 degrees C use setting 01 To lower the trigger temperature by 7 degrees F 4 degrees C use setting 02 To raise the trigger temperature use setting 03 Heat air tempera ture trigger gt 2 gt Enable or disable automatic system 01 i restart after a power outage 00 Start Stop 01 Emergency Error report target 01 7 3 1 Button name and function ololo ololo W N N 1 9 Allow an external controller to start or stop the system or to perform an emergency stop If an emergency stop is performed from an external controller all refrig erant systems will be disabled f forced stop is set indoor unit stops by the input to the external input terminals and Start Stop by a remote controller is restricted External control a Forced Vertical airflow direction Cool air tempera ture trigger Change the target for reporting errors Errors can either be reported in all loca tions or only on the wired remote 11 13 20 23 30 31 6 47 central remote controller FILTER indicator lamp Red TIMER indicator lamp Orange OPERATION indicator lamp Green MANUAL AUTO button En 13 7
5. Input signal OFF ON Forced stop Ch1 of CN6 or CN17 In the case of Pulse input comedor sea Gemma CN6 or CN17 En 10 When the forced stop is triggered indoor unit stops and Start Stop 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 Start Stop mode or Emergency stop mode Forced stop mode can be selected with function setting of indoor unit 2 External output terminals When picking up output signals for operating status abnormal conditions or indoor unit status Wiring methods and specifications Atwisted pair cable 22AWG should be used Maximum length of cable is 492 ft 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 Connected unit 2 Provide a DC12 to 24V power supply Select a power supply capacity with an ample surplus for the connected load 8 The allowable current is 30mA or less Provide a load resistance such that the current becomes 30mA or less 4 Polarity is for pin 1 and for pins 2 4 Connect correctly Do not impress a voltage exceeding 24V across pins 1 2 1 3 and 1 4 Operation behavior vins 1 4 DC 12 24 V 2 Indoor unit fan o
6. 7 Use either one of these types of terminal according to the application Both types of termi P C B nals cannot be used simultaneously Voltage terminal CN6 When a power supply must be provided at the input device you want to connect use the voltage terminal CN6 Indoor unit DC power supply 12 24V v O w Tod O W Input device 1 o zi ndoorunit Power supply for relay pi Load resis j i ame i tan H a i i Input device 2 Connected unit 1 Make the power supply DC12 to 24V Select a power supply capacity with an ample surplus for the connected load 1 L 1 1 L 1 1 L 1 o z N AIN RR RP Indoor unit Do not impress a voltage exceeding 24V across pins 1 2 and 1 3 Ka K6 Relay a The allowable current is DC5 10mA Recommended ie DC5mA Device for DC Current Provide a load resistance such that the current becomes Operation behavior DC10mA or less Input signal type Select very low current use contacts usable at DC12V DC1mA or less The input signal type can be selected It is switched by Dip sw Edge f b The polarity is for pin 1 and for pin 2 and 3 on the indoor unit PCB Connect correctly pe 3 Dip sw Set 2 2 Input signal type Pul When connected to voltage terminals of multiple indoor units with a connected unit be Pulse se sure to make a branch outside the indoor unit using a pull box
7. AD SW to 0 N CAUTION Be sure to turn OFF the power before performing the field setting 7 1 Sett the address N CAUTION Use an insulated screwdriver to set the dip switches 9 0 LA Rotary switch Rotary switch Example 0 IU AD REF ADJJREF AD o EE C 3 Setting Setting range Type of switch If 4 indoor units are connected 907 907 l indoor nit Setting Ap ego Indoor unit Indoor unit Indoor unit Indoor unit address vane eet 9G RC AD SW RC AD SW RC AD SW RC AD SW 0 1 2 3 IU ADx10 IU ADx1 H H A Ht A HH A 9 0 7 9 0 m ES Setting oH o Pem EA example w r w 63 9695 9g Remote controller REF ADx10 REF ADx1 1 Indoor unit address Rotary switch IU AD x1 Factory setting 0 Rotary switch IU AD x10 Factory setting 0 When connecting multiple indoor units to 1 refrigerant system set the address at IU Address 0 AD SW as shown in the Table A 1 2 3 4 5 6 rd 2 Refigerant circuit address BEEESM 0000500001 o 6 7 Rotary switch REF AD x1 Factory setting 0 pommes e 9 Po Pa Pepe pele Rotary switch REF AD x10 Factory setting 0 In the case of multiple refrigerant systems set REF AD SW as shown in the Table A for each refrigerant system 7 2 Custom code setting Set to the same refrigerant circuit address as the outdoor unit P
8. Display Error code SU MO TU WE lH FR ABBE ANOIS En 15
9. FA IRSTAGE AUUA7RLAV AUUA9RLAV AUUA12RLAV AUUA14RLAV AUUA18RLAV AUUA24RLAV FUJITSU GENERAL LIMITED INSTALLATION MANUAL INDOOR UNIT Cassette Type For authorized service personnel only MANUEL D INSTALLATION APPAREIL INT RIEUR Type Cassette Uniquement r serv aux techniciens agr s MANUAL DE INSTALACI N UNIDAD INTERIOR Tipo Casete S lo para personal de servicio autorizado MANUAL DE INSTALA O UNIDADE INTERIOR Tipo Cassete Apenas para t cnicos de assist ncia autorizados PART NO 9371022215 02 INSTALLATION MANUAL PART NO 9371022215 02 VRF system indoor unit Cassette type Contents T SAFETY PRECAUTIONS jccscdcscacscdcatssssstsasugssquascvessssacasscdtcsrucssuentarscduasaussveatanssdvascvests 1 1 1 IMPORTANT Please read before starting 1 2 SPECIAL PRECAUTIONS 41 2 ABOUT THE UNIT tte nix tnnt rrt iei REFS aan ER dita NEVER KEEN en a 2 2 1 Precautions for using the R410A refrigerant seen 2 2 2 Special tool for RA10A 2 3 Accessories e Ro 2 4 Optional parts ei cassia CELT ILIA MET gia 3 INSTALLATION WORK 3 1 Selecting an installation location 3 2 Installation dimensions 3 3 Discharge direction setting 3 4 Installing the 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 siisii terne toten tatit tenente ca
10. If working in an environment where the wireless remote controller can be used the Selecting the custom code prevents the indoor unit mix up addresses can also be set using the remote controller Up to 4 codes can be set Perform the setting for both the indoor unit and the remote controller If setting the addresses using the wireless remote controller set the indoor unit address and refrigerant circuit address to 00 For information on setting using the wireless remote controller Code change Confusion A B C D Indoor Table A unit Rotary Switch Rotary Switch x us i Setting cadres Setting Remote we A B c D controller Refrigerant REF AD SW JUADSW Custom code setting for indoor unit circuit Set the DIP SW SET 3 SW1 SW2 referring to the Table B B IU AD REF AD o Dip switch SET3 SW SW SW SW 1 2 3 4 Table B Do not set the indoor unit address IU AD SW at 64 to 99 It may result in failure A Factory setting ofle p 3 Remote controller address DIPSWSETSSWT When connecting multiple indoor units to 1 standard wired remote controller set the N CAUTION address at RC AD SW in sequence from 0 Do not operate any switches other than prescribed as it can cause the unit to operate improperly or malfunction Remote Settin
11. L2 N GND 11 to 16 Ibf in 1 2 to 1 8N m 6 3 2 Transmission and Remote controller cable Transmission cable 1 3 16 in 30 mm Shielded wire no film 1 9 16 in 40 mm Remote controller cable 1 3 16 in 30 mm SS Connect remote controller and transmission cables as shown in Fig C En 8 Fig C 2 Connect the connection cable with the binder Good e Prohibited e Prohibited e lt lt Remote controller cable Y1 Red Y2 White Y3 Black Different diameter Connect to 1 side a ac Binder Accessories X1 X2 Transmission cable N WARNING Tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit Eller Tightening torque M3 screw Transmission X1 X2 Remote controller Y1 Y2 Y3 4 to 5 Ibf in 0 5 to 0 6N m N CAUTION To peel the film from the lead cable use a dedicated tool that will not damage the Conductor ce For U S A and Canada Attach the conduit connector When installing a screw on the terminal block do not cut the wire by overtightening the The grommet edging is not used Screw On the other hand an under tightened screw can cause faulty contact which will lead to a communication failure Conduit connector L1 L2 N Power supply
12. Remote OPERATION TIMER lamp FILTER lamp Controller Error contents Has the indoor unit been installed Vibration noise indoor unit correctly may drop Has there been a check for gas P leaks refrigerant pipes No cooling No heating O Has heat insulation work been completed Does water drain easily from the Water leakage indoor units Remote controller communication error Water leakage Anomalous network s the voltage of the power source communications the same as that indicated on the abel on the indoor unit Are the wires and pipes all No operation heat or burn connected completely damage No operation heat or burn damage Parallel communication error Power frequency error Model information error EEPROM accession error s the connection cable the No operation heat or burn specified thickness damage Are the inlets and outlets free of any obstacles No cooling No heating Room temperature Does start and stop air thermistor error conditioner operation by remote No operation ma control unit or external device Indoor heat exchanger temperature thermistor error After installation is completed has the proper operation and handling been explained to the user s the indoor unit earthed n RT ii Do Indoor fan motor error Drainage error Outdoor unit error Display mode 0 5s ON 0 5s OFF 0 1s ON 0 1s OFF Number of flashing Wired Remote Controller
13. and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced After installation explain correct operation to the customer using the operating manual N DANGER Never touch electrical components immediately after the power supply has been turned off Electrical shock may occur After turning off the power always wait 5 minutes or more before touching electrical components Be sure to read this Manual thoroughly before installation The warnings and precautions indicated in this Manual contain important information pertaining to your safety Be sure to observe them Hand this Manual together with the Operating Manual to the customer Request the customer to keep them on hand for future use such as for relocating or repairing the unit Request your dealer or a professional installer to install the unit in accordance with this Manual An improperly installed unit can cause serious accidents such as water leakage electric shock or fire If the unit is instruction 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 t
14. cable p 6 4 Connection of wiring Remove the control box cover and install the connection cable Lock nut 1 Remove the control box cover and install each connection cable For others Be sure to use the grommet edging Fix the power supply cable with the binder Control box cover Screw Grommet edging Accessories Binder Accessories L1 L2 N Power supply cable 3 Install control box cover N CAUTION Do not bundle the remote controller cable or wire the remote controller cable in parallel with the indoor unit connection cable to the outdoor unit and the power supply cable It may cause erroneous operation 6 5 External input and external output Optional parts Controller PCB Ee TU VE I A Input No Voltage terminal CN17 Input Voltage terminal CN6 Output terminal CN16 1 External input terminals Indoor unit can be Start Stop or Emergency stop Forced stop by using indoor unit PCB CN6 or CN17 Wiring methods and specifications A twisted pair cable 22AWG should be used Maximum length of cable is 492 ft 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 En 9 Input selection Po 0 a ARI 2
15. can cause electric shock or fire Do not modify the power cables use extension cables or use any branches in the wiring Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Match the terminal block numbers and connection cable colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts Securely connect the connection cables to the terminal board In addition secure the 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 Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric discharge may occur For U S A and Canada When installing this system in high humidity locations install using ground fault equipment breakers often referred to in other countries as an ELCB earth leakage current breaker to reduce the risk of leaking current which result in electric shock or potential fire For others Install an earth ground leakage breaker In addition install the earth ground 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 grounding work can cause electric shocks Install the remote controller cables so as not to be direct touche
16. lamp Orange FILTER indicator lamp Red Function number ones place 0 5s ON 0 5s OFF Setting number 0 9 0 5s ON 0 5s OFF Example Function 31 Setting number 2 1 cycle 12 sec OPERATION ON indicator lamp 9 sec Green OFF Mei TIMER ON indicator lamp 0 58 0 Orange OFF FILTER ON H indicator lamp Red OFF 8 DECORATION PANEL INSTALLATION Rana Rana Cable louver WHITE Cable display WHITE Cable l RED 8 1 Remove the intake grille ii Dada 1 Slide the 2 grille hook Indoor unit side 3 Attach the connector cover Connector cover 7 8 3 Attach the intake grille The installation is the reverse of REMOVING THE INTAKE GRILLE The intake grille can be rotated and installed 4 ways to suit the user s preference Z CAUTION The louver angle cannot be changed if the power is not on If moved by hand it may be damaged 8 2 Install panel to indoor unit 1 Install the decoration panel on the indoor unit DRAIN mark PIPE mark The grille assembly is directional relative to the air conditioner body Install so that there is no gap between the grille assembly and the air conditioner body
17. polyvinyl chloride pipe 3 4 in I D 1 1 16 in O D and connect it with adhesive polyvinyl chloride so that there is no leakage When the pipe is long install supporters Do not perform air bleeding Always heat insulate the indoor side of the drain pipe When desiring a high drain pipe height raise it up to 27 9 16 in 700 mm or less from the ceiling within a range of 11 13 16 in 300 mm from the body A rise dimension over this range will cause leakage Set up the entire piping lines at the position 3 15 16 in 100 mm lower than the main body drain port and use the piping lines 1 in I D 1 5 16 in O D or more with the descending inclination to 1 100 or more 11 13 16 in 300 mm or less Downward gradient 1 100 or more H 27 9 16 in 700 mm or less l Horizontal or upward gradient Prohibited air bleeding 3 4 in I D 1 1 16 in O D Attached drain hose Attached band Prohibited over mountain Prohibited trap 4 9 6 6 ft 1 5 2 0 m Hanging fitting 3 4 in 1 D 1 1 16 in O D Downward gradient 1 100 to 1 50 1 in I D 1 5 16 in O D or more Downward gradient 1 100 or more N WARNING Do not insert the drain piping into the sewer where sulfurous gas occurs Heat exchange erosion may o
18. 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 B For strand wiring 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 13 32 in 10 mm X e Screw with special washer Ring terminal Screw with Cable o special washer Ring terminal m Ring terminal p hz Terminal block Cable A 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 M4 screw Power supply L1
19. with R410A flare tools to achieve the specified flaring Use a thickness gauge to measure the dimen sion A It is recommended that a R410A flaring tool is used Pipe outside diameter in mm Width across flats of Flare nut in mm 21 32 17 Width across flats y Es 3 8 9 52 7 8 22 1 2 12 70 5 8 15 88 3 4 19 05 1 1 32 26 1 5 32 29 1 13 32 36 7 V En 5 4 3 2 Bending pipes f pipes are shaped by hand be careful not to collapse them Do not bend the pipes in an angle more than 90 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 N CAUTION To prevent breaking of the pipe avoid sharp bends If the pipe is bent repeatedly at the same place it will break 4 3 3 Pipe connection When the flare nut is tightened properly by your hand hold the body side coupling with a separate wrench then tighten with a torque wrench See the table below for the flare nut tightening torques N 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 the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causing refrigerant to leak and generate hazardous gas if
20. 1 2 4 Optional parts Tapping screw M5 x 12mm Tapping screw M4 x 12mm The following options are available External output wire P N 9379529006 External input voltage wire P N 9368779016 External input no voltage wire P N 9368779009 3 INSTALLATION WORK Correct initial installation location is important because it is difficult to move unit after it is installed Selecting an installation location N WARNING Select installation locations that can properly support the weight of the indoor Install the units securely so that they do not topple or fall Z CAUTION Do not install the unit in the following areas Area with high salt content such as at the seaside It will deteriorate metal parts causing the parts to fail or the unit to leak water Area filled with mineral oil or containing a large amount of splashed oil or steam 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 gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage Area that can cause combustible gas to leak contains suspended carbon fibers or 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 a
21. 29 32 to 7 7 8 in 150 to 200 mm pe 17 23 32 in 450 mm Thicknesses of copper pipes used with R410A are as shown in the table i Never use copper pipes thinner than those indicated in the table even if they are available on the market En 4 Thicknesses of Annealed Copper Pipes R410A Pipe outside diameter in mm Thickness in mm 0 032 0 80 1 2 12 70 0 032 0 80 5 8 15 88 0 039 1 00 3 4 19 05 0 039 1 20 4 2 Pipe requirement CAUTION Refer to the installation manual for the outdoor unit for description of allowable pipe length and height difference Use pipe with water resistant heat insulation N 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 248 F 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 80 use heat insulation that is 19 32 in 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 25 32 in 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 68 F 20 C
22. 3 2 Checking the function setti ngs Press and hold the MANUAL AUTO button on the indoor unit for 3 seconds to check the function settings It is necessary to disconnect the power in order to return to normal operation mode 1 Indoor unit and refrigerant address indication Indication pattern Indicator name OPERATION indicator lamp Green TIMER indicator lamp Orange FILTER indicator lamp Red Indoor unit address example Example ADDRESS 24 Indication pattern Refrigerant address Flash 1 0s ON 1 0s OFF Address tens place 0 5s ON 0 5s OFF Address ones place 0 5s ON 0 5s OFF 1 cycle 12 sec J be OPERATION ON indicator lamp Green OFF TIMER ON indicator lamp Orange OFF FILTER ON indicator lamp Red OFF Refrigerant address example Example ADDRESS 30 1 cycle 12 sec OPERATION ON 4 indicator lamp Green OFF TIMER ON indicator lamp Orange OFF FILTER ON indicator lamp Red OFF Setting details Function number Indoor unit address 00 63 Refrigeration address 00 99 For use with a remote controller set all rotary switches to 0 and refer to 7 1 Setting the address for details All switches are set to O at the factory 2 Others Indication pattern Indicator Name Indication pattern Function number tens place 0 5s ON 0 5s OFF OPERATION indicator lamp Green TIMER indicator
23. 9 TEST RUN 9 1 Test run using PCB Outdoor unit Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to be used for the test run Align the stamped marks on the decoration panel against the pipe and the drain of the indoor unit 9 2 Test run using Remote Controller N CAUTION E Refer to the Installation Manual for the remote controller to perform the test run using Use only the supplied screws to install the decoration panel the wireless remote controller When the air conditioner is being test run the OPERATION and TIMER indicator lamps flash slowly at the same time Indoor unit Ceiling 3 16 to 9 32 in 5 to 7 mm Sealant Decoration panel No gap between ceiling and decoration panel around entire periphery En 14 10 CHECK LIST 11 ERROR CODES Pay special attention to the check items below when installing the indoor unit s After If you use a wired type remote controller error codes will appear on the remote controller installation is complete be sure to check the following check items again display 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 CHECK ITEMS If not performed correctly CHECK BOX codes in the table below Error display Wired
24. Operating range 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 Select the correct cable type and size according to the country or region s regulations 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 unit to satisfy conditions A and B below A Current breaker requirements AUUA9RLAV AUUA12RLAV AUUA14RLAV 0 35A AUUA18RLAV 0 39A AUUA24RLAV 0 75A MCA Minimum Circuit Ampacity MOP Maximum Overcurrent Protection When the power crossover wiring is done make it so that the total of the MCAA of the connected indoor equipment does not exceed the 15A B Earth leakage breaker requirements Breaker capacity Maximum connectable indoor unit 200 mA 0 1 sec or less 39 Upper limit of the refrigerant system If the number of units of connected indoor unit exceeds the upper limit either add breakers or use a breaker with large capacitance 6 1 1 Transmission and remote controller wiring specifications Follow the specifications below for the transmission and remo
25. arning and caution notices given in this manual WARNING This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death Tan 0 MB This symbol refers to a hazard or unsafe practice which can result in personal injury and the potential for product or property damage Hazard alerting symbols N AN If Necessary Get Help Electrical Safety alert These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions En 1 In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document 1 2 SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wir ing diagram and these instructions when wiring Improper connections and inadequate earthing grounding can cause accidental injury or death Earth Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may caus
26. ccur N CAUTION Do not apply adhesive agent on the drain port of the body Use the attached drain hose and connect the drain piping Working procedure 1 Install the attached drain hose to the drain port of the body Install the hose band from the top of the hose within the graphic display area 2 Use vinyl adhesive agent to glue the drain piping PVC pipe which is prepared on site Apply color adhesive agent evenly until the gauge line and seal 3 Check the drainage See separate diagram 4 Install the heat insulation 5 Use the attached heat insulation to insulate the drain port and band parts of the body Install the knob faces Attached upward Accessories hose band Locally arranged viny H pipe L a J Gh o i Attached drain hose Accessories R 1 1 be L 2 Oo IS Attached D heat insulation m a Top view b Side view 3 16 13 32 in 5 10 mm 1 3 8 in 35 mm Drain hose Applying areal ared of adhesive Hose band Gauge line 25 32 in 20 mm Drain 25 32 in hose 20 mm A T t 5 32 in 4 mm Fensparen or less visible portion c Hose opening view d Top view Wind the attached heat insulation around the hose band Make sure the alignment is on top ENS Make sure there are no gaps En 6 Note Check for drainage Pour about 1 liter of water from the position shown in the
27. d with your hand Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively Connect the connection cable firmly to the terminal board Imperfect installation may cause a fire If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard En 7 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 transmission cable remote control cable together Separate these cable by 1 31 32 in 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 and outdoor units 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 208 230 V Voltage rating 187 to 253 V
28. diagram or from the airflow outlet to the dew tray Check for any abnormalities such as strange noises and whether the drain pump functions normally Drain p SML X 2 S cS Wire cover Watering pot Ww Screw wy 6 ELECTRICAL WIRING A WARNING 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 indoor unit and outdoor unit 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 Improperly connected or secured cables can cause serious accidents such as overheating the terminals electric shock or fire 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 to dust or water Install sleeves into any holes made in the walls for wiring Otherwise a short circuit could result Use the included connection cables and power cables or ones specified by the manufacturer Improper connections insufficient insulation or exceeding the allowable current
29. e overheating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow When Connecting Refrigerant Tubing Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before opening the refrigerant valves When Servicing Turn the power OFF at the main circuit breaker panel before opening the unit to check or repair electrical parts and wiring Keep your fingers
30. enter the piping when installing refrigerant RA10A 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 A 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 0 04 0z 100 ft 40 mg 10 m Fig C 21 1 4 in 540 mm Hanging bolt position 22 7 16 in 570 mm Indoor unit P 2 15 16 in 75 mm Service access Do not use copper pipes 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 5 5 16 in 135 mm Min 17 23 32 in 450 mm 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 9 27 32 in 250 mm 5
31. etc as shown on below The width of pulse example i eooo 1 must be longer When function setting is Start Stop mode than 200msec In the case of Edge input Ch1 of CN6 OFF ON Operation In the case of Pulse input CN6 or CN17 The last command has priority The indoor units within the same remote controller group operates in the same mode DC power supply 12 24V E Indoor unit Load i resistance i Indoor unit Connected unit Indoor unit When function setting is Emergency stop mode In the case of Edge input No voltage terminal CN17 When a power supply is unnecessary at the input device you want to connect use the OFF ON Emergency stop no voltage terminal CN17 Ch1 of CN6 or CN17 In the case of Pulse input OFF ON Emergency stop CN6 or CN17 All indoor units of same refrigerant system stops when Emergency stop operates Connected unit c Select very low current use contacts usable at DC12V DC1mA or less d The wiring is different from voltage terminals Be sufficiently careful when wiring When function setting is Forced stop mode When connected to no voltage terminals of multiple indoor units with a connected unit In the case of Edge input insulate each indoor unit with relay etc as shown on below example When connected to multiple indoor units directly it will cause breakdown
32. g controller example AK E E address 0 7 3 Function setting FUNCTION SETTING can be performed with the wired or wireless remote controller The remote controller is optional equipment Refer to 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 En 12 Function details Function number Setting number Adjust the filter cleaning interval noti fication If the notification is too early change to setting 01 If the notification is too late change to setting 02 Filter indicator interval Filter indicator action Enable or disable the filter indicator Setting 02 is for use with a central remote controller Display only on central remote controller Regulate the airflow according to the needs of the installation location When set to 01 the airflow will be stronger Cassette type only Ceiling airflow just the vertical airflow direction All airflow direction louvers are adjusted ogether Cassette type only o
33. he 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 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 2 ABOUT THE UNIT 2 1 Precautions for using the R410A refrigerant N WARNING Do not introduce any substance other than the prescribed refrigerant into the refrigeration cycle If air enters the refrigeration cycle the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture If there is a refrigerant leakage make sure that it does not exceed the concentration limit If a refrigerant leakage exceeds the concentration limit it can lead to accidents such as oxygen starvation Do not touch refrigerant that has leaked from the refrigerant pipe connections or other area Touching the refrigerant directly can cause frostbite If a refrigerant leakage occurs during operation immediately vacate the premises and thoroughly ventilate the a
34. ht from floor to ceiling ft mm High Ceiling mode dedans 8 9 8 9 8 9 8 9 8 9 8 ancaro mode 2700 2 700 2 700 2 700 2 700 2 700 9 9 700 9 8 9 8 9 8 8 3 000 3 000 3 000 3 000 3 3 Discharge direction setting Fig D The discharge direction can be selected as shown below E E E ojo o Fig B 4 1 32 in 1 9 16 in 3 29 32 in O ElE 102 mm 40 mm 99 mm 3 15 16 in 100 mm or more 32 e F o PLE Ex E E A E tt 5 Y ia S mid Eo EET H 9 y 4 directions 8 directions 3 y MA L L peni ame Piping position DIE E z For a 3 way outlet make sure to perform the Function Setting on the remote Ceiling Control box Gas pipe E E q o controller Also make sure to use the optional shutter panel to block the outlet i Q D Drain pipe Liquid pipe S e m Connect the attached drain hose o 9g9x The ceiling height cannot be set in the 3 way outlet mode Therefore do not change IS IN Q the setting in the Setting the Ceiling Height at 7 FUNCTION SETTING S a 4I2 Special nut A 1 3 16 in 30 mm or more Hook After installing the body tighten the nuts Ac Special nut B INDOOR UNIT INSTALLATION Hanging bolt 1 Make the holes for installing in the ceiling Fig D 2 Install the hanging bolts M10 refer to the position in Fig C 3 4 in 19 a
35. nimals may urinate on the unit or ammonia may be generated 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 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 Install the unit where drainage does not cause any trouble Install the indoor unit outdoor unit power supply cable transmission cable and remote controller cable at least 40 in 1 m away from a television or radio receivers The purpose of this is to prevent TV reception interference or radio noise Even ifthey are installed more than 40 in 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 En 3 Decide the mounting position with the customer as follows 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 Leave the space required to service the air conditioner 4 A place from where the air can be distributed evenly throughout the room by the unit 5 Install the unit where connection to the outdoo
36. peration External output1 Pins 1 2 Pins 1 3 3 Connection methods Wire modification Remove insulation from wire attached to wire kit connector 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 External input output wire Insulated connection Field supply En 11 Controller PCB Input No Voltage terminal CN17 Input Voltage Output terminal terminal CN6 CN16 Transmission cable Binder Field supply Bind to the transmission cable 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 This section 7 1 Setting the address 2 Remote controller settings 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
37. r unit is easy 3 4 5 6 Install the unit where the connection pipe can be easily installed 7 Install the unit where the drain pipe can be easily installed 8 Install the unit where noise and vibrations are not amplified 9 9 Take servicing etc into consideration and leave the spaces Also install the unit where the filter can be removed 3 2 Installation dimensions Leave the space specified in Fig A so that the air from the blower will cover the entire room Install the indoor unit on a place having a sufficient strength so that it withstands against the weight of the indoor unit A place from where drainage can be extracted outdoors easily N WARNING Never install in a room where there is the potential of leaking flammable gas A spark could ignite the gas and cause an explosion or fire Avoid installing in a location with high temperature The blower direction can be set for 2 directions or 3 directions When using 2 direction or 3 direction blower follow Fig B for the blower direction and space This product can be installed at a height of up to 9 8 ft 3 0 m Perform the Function Setting on the remote controller in accordance with the installed height Fig A Strong and durable ceiling 10 5 16 in 262 mm or more 39 3 8 in 1 000 mm or more 1 800 mm 1 000 mm or more or more 39 3 8 in Obstruction H The maximum heig
38. rea If the refrigerant comes in contact with a flame it produces a toxic gas 2 2 Special tool for R410A N WARNING To install a unit that uses the R410A refrigerant use dedicated tools and piping materials that have been manufactured specifically for RA10A use Because the pressure of the 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 Pressure is huge and cannot be measured with a conventional R22 gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range 30in Hg to 768 psi 0 1 to 5 3 MPa and a low pressure display range 30in Hg to 551 psi 0 1 to 3 8 MPa To increase pressure resistance the hose material and Charging hose base size were changed A conventional R22 vacuum pump can be used by installing a vacuum pump adapter Be sure that the pump oil does not backflow into the system Use one capable for vacuum suction of 5 Torr 755 mmHg 100 7 kPa Gas leakage detector Special gas leakage detector for HFC refrigerant RA10A Gauge manifold Vacuum pump 2 3 Accessories N WARNING For installation purposes be sure to use the parts supplied by the manufacturer or other presc
39. ribed parts The use of non prescribed parts can cause serious accidents such as the unit to fall water leakage electric shock or fire The following installation parts are furnished Use them as required Keep the Installation Manual in a safe place and do not discard any other accessories until the installation work has been completed Do not discard any accessories needed for installation until the installation work has been completed Application This book Name and Shape Operating Manual Installation Manual a Binder Large Binder Medium Coupler heat insulation Small For fixing the connection pipe Large and Small For power supply and transmission remote controller cable binding For indoor side pipe joint Small 1D For indoor side pipe joint Large 1 Special nut A Large flange For installing indoor unit Special nut B Small flange For installing indoor unit Template Carton top For ceiling openings cutting Also used as packing Drain hose For installing drain pipe 3 4 in I D 1 1 16 in O D Hose band For installing drain hose Drain hose insulation For installing drain pipe Grommet edging dn nn nn nuu uuu For wiring connecting port Not use for U S A DECORATION PANEL ACCESSORIES Name and Shape Q ty Application Connector cover For covering connector For mounting decoration panel For mounting connector cover
40. sadas INSTALEING DRAINIBIBES ite treten irr tete tenete iter bete iet uei M lDcc 7 6 1 Electrical requirement 6 2 Wiring method 6 3 Unit wiring 6 4 Connection of wiring 6 5 External input and external output Optional parts Me PELDSETINO ses Rap Ip AR rar 7 1 Setting the address 7 2 Custom code setting aie 7 3 Function setling ertet tr ttr tentiae secant EA iias 12 8 DECORATION PANEL INSTALLATION esent 14 8 1 Remove the intake grille 8 2 Install panel to indoor unit ies 8 3 Attach the intake grille treten tte tert asece tenete aea 14 T OO BUR RROWY q m o 9 9 1 Test run using PCB Outdoor unit 9 2 Test run using Remote Controller 107 PAE RSS c EET 15 Mis ERROR CODES T 15 1 1 IMPORTANT Please read before starting 1 SAFETY PRECAUTIONS This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all danger w
41. te controller cable Temas meum Renato LEVEL 4 NEMA non polar Pan twisted LONWORKS 9 Transmission cable compatible cable pair solid core diameter 1 32 in 0 65mm Remote controller 22 AWG Sheathed PVC cable Polar 3 core Twisted cable 0 33 mm pair 6 2 Wiring method Breaker 1 I EXAMPLE Power supply Breaker 1 Earth leakage breaker GFCI breaker Breaker 2 Current breaker MOP breaker Breaker 2 Outdoor unit Transmission IRES real 9 ueg Power supply Gis Y H Indoor unit X Indoor unit 7 lS xi X 2 Transmission xi X 4 J Transmission Power Power Power supply Remote supply Remote supply Remote une control une control uuo control Ne RARA NO Mrr Oe vv OF oF oF Breaker 2 Breaker 2 Breaker 2 I I I Breaker 1 11213 Breaker 1 CEL Breaker 1 11213 A Remote Remote Fl rs Demols E IT controller H M controller Power supply Master Power supply Slave Power supply Crossover wiring of power supply Indoor unit Indoor unit Indoor unit Power Power Power
42. the refrigerant comes into contact with a flame Tighten with 2 wrenches Holding wrench Torque wrench FRISEUR Indoor unit pipe Body side Flarenut in mm Tightening torque ibf ft Nm 11810 153 1600 19 dia Connection pipe 3 4 19 05 dia 66 4 to 81 1 90 to 110 4 4 Installing heat insulation Install the heat insulation material after performing a refrigerant leak check see the Instal lation Manual for the outdoor unit for details COUPLER HEAT INSULATION Insulate by the coupler heat insulation Accessories around the gas pipe and liquid pipe of indoor side After installing the coupler heat insulation wrap both end with vinyl tape so that there is no gap After affixing the coupler heat insulation secure it with 2 binders large one on each end of the insulation Make sure that the binders overlap the heat insulation pipe Coupler heat insulation Accessories Cover this portion with heat insulation Binder Large Heat insulation Accessories N CAUTION After checking for gas leaks refer to the Installation Manual of the outdoor unit perform this section Install heat insulation around both the large gas and small liquid pipes Failure to do so may cause water leaks 5 INSTALLING DRAIN PIPES Install the drain pipe with downward gradient 1 50 to 1 100 and so there are no rises or traps in the pipe Use general hard
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