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INSTALLATION MANUAL

1. 2 Primary unit secondary unit 2 ei e eg set up error Simultaneous Multi Indoor unit PCB model e 3 e Jz information error e 3 e 5 o 35 Manual auto switch error 1 o Inlet air temp sensor error Indoor unit Heat Ex Middle temp er e de sensor error e 5 e 1 o 5 Indoor unit fan motor error e 5 e 3 o 53 Drain pump error e 5 7 o 1 Damper error e 5 e 15 o D Indoor unit error Outdoor unit main PCB model e 6 e 2 o be information error or communication error Inverter e 6 e 3 o 53 vi error Active filter error PFC circuit 6 b 4 error e 6 e 5 o B 5 Trip terminal L error Display PCB microcomputers 6 ecu E BR communication error 7 1 o Discharge temp sensor error I 7 2 o 12 Compressor temp sensor error Outdoor unit Heat Ex liquid e e e 13 temp sensor error e e 4 o 14 Outdoor temp sensor error e e 5 o 15 Suction Gas temp sensor error 7 e 6 o Ib 2 way valve temp sensor error 3 way valve temp sensor error e 7 o 1 1 Heat sink temp sensor error Sub cool Heat Ex gas inlet temp sensor error 8 2 et e He Sub cool Heat Ex gas outlet temp sensor error e 8 e 3 o B3 Liquid pipe temp sensor error Display mode e 0 55 ON 0 5s OFF 0 15 ON 0 1s OFF Number of flashing Troubleshooting with the indoor uni
2. When using conventional flare tools to flare R410A pipes the dimension A should be approxi mately 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 Width across flats of Flare nut mm 6 35 1 4 17 9 52 3 8 22 12 70 1 2 26 15 88 5 8 29 19 05 3 4 36 Pipe outside diameter mm in Width across flats gt En 4 6 6 2 Bending pipes If 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 CAUTION To prevent breaking of the pipe avoid sharp bends If the pipe is bent repeatedly at the same place it will break 6 6 3 Pipe connection CAUTION Be sure to Install the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot tighten 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 Hold the torque wrench at its grip keeping it in the right angle with the pipe in order to tighten the flare nut corre
3. Fitting Bottom hooks After hooking the indoor unit to the top hook hook the fittings of the indoor unit to the 2 bottom hooks while lowering the unit and pushing it against the wall 6 6 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 hazardous gas if the refrigerant comes into contact with a flame 6 6 1 Flaring Use special pipe cutter and flare tool exclusive for R410A 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 unit s and outdoor unit or branch box respectively onto the pipe and perform the flare processing with a flare tool Use the special R410A flare tool or the conventional flare tool Leakage of re frigerant 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 enter ing the pipes Check if L is flared uniformly and B is not cracked or scratched Die Dimension A mm Flare tool for R410A clutch type Pipe outside diameter mm in Dimension B5 mm 6 35 1 4 9 52 3 8 12 70 1 2 5 8 3 4
4. CAUTION performed might possibly result in personal harm to the user x Do not operate the compressor under the condition of refrigerant piping not attached or damage to property properly with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to rupture and even injury When installing pipes shorter than 3 m sound of the outdoor unit will be transferred to i When installing and rel ing the air conditioner not mi her than th the indoor unit which will cause large operating sound or some abnormal sound en installing sno relocating the air conditioner do not mix gas s oth rthanih specified refrigerant R410A to enter the refrigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause rupture injury etc This installation manual describes how to install the outdoor unit only To install the indoor unit refer to the installation manual included with the indoor unit Be careful not to scratch the air conditioner when handling it After installation explain correct operation to the customer using the operating manual Let the customer keep this installation manual because it is used when the air condi tioner is serviced or moved gt The rated voltage The maximum lengths of this product are shown in the following table 2 If the units are further apart than this
5. Always connect the earth ground wire Do not use the earth ground screw of the indoor unit for the connection other than a specified outdoor unit or branch box 1 Insulate between pipes e Insulate suction and discharge pipes separately e For rear right and bottom piping overlap the connection pipe heat insulation and indoor unit pipe heat insulation and bind them with vinyl tape so that there is no gap e For left and left rear piping butt the connection pipe heat insulation and indoor unit pipe heat insulation together and bind them with and vinyl tape so that there is no gap e For left and left rear piping wrap the area which accommodates the rear piping housing section with cloth tape e For left and left rear piping bind the connection cable to the top of the pipe with vinyl tape e For left and left rear piping bundle the piping and drain hose together by wrapping them with cloth tape over the range within which they fit into the rear piping housing section 2 Temporarily fasten the connection cable along the connection pipe with vinyl tape Wrap to about 1 3 the width of the tape from the bottom of the pipe so that water does not enter 3 Fasten the connection pipe to the outside wall with saddles etc 4 Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain water and wind cannot blow in 5 Fasten the drain hose to the outside wall etc Outside wall cap Sealer
6. 1 CONNECTION DIAGRAMS Power supply Power line i EARTH Indoor unit Outdoor unit side terminal side terminal 2 CONNECTION CABLE PREPARATION Keep the earth wire longer than the other wires Power supply cable or connection cable When connecting the power supply cable make sure that the phase of the power supply matches with the phase of the terminal board If the phases do not match the compressor will rotate in reverse and will not be able to compress 1 Service cover removal Remove the two mounting screws Remove the service cover by pushing downwards Hook 3 places Direction of the Service cover removal Service cover 2 Valve cover removal Remove the one mounting screw Remove the valve cover by sliding upward Valve cover Hook 4 places 3 Connect the power supply cable and the connection cable to terminal 4 Fasten the power supply cable and connection cable with cable clamp Control box Terminal blocks Cable clamp Cable clamp Firmly secure cable clamp so wie terminations will not receive T external stress Use the specified wire type and connect it securely z E H Connection cable l EARTH ndoor unit
7. Connect the connection cable firmly to the terminal block Imperfect installation may cause a fire Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric leakage may occur Securely earth the power cable plug Do not use the earth screw for an external connector Only use for interconnection between two units HOW TO CONNECT THE WIRE TO THE TERMINALS 1 Use crimp type terminals with insulating sleeves as shown in the figure below to connect to the terminal block 2 Securely crimp the crimp type terminals to the wires using an appropriate tool so that the wires do not come loose 3 Use the specified wires 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 below for the terminal screw tightening torques Strip Crimp type terminal 10 mm S Screw with special washer Wire Crimp type terminal Terminal board Terminal block Screw with special washer Crimp type terminal Mcr Tightening torque 1 2 to 1 8 N m 12 to 18 2 0 to 3 0 N m 20 to 30 kgf cm
8. 13 FUNGTION SETTING n unu uu uuu um tesis cedentes 14 CUSTOMER GUIDANCE u icri cont haie de ien ete 15 ERROR GODES et rdc iet tertii en inane 10 1 SAFETY PRECAUTIONS e sure to read this Manual thoroughly before installation e The warnings and precautions indicated in this Manual contain important informa tion pertaining to your safety Be sure to observe them e 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 repair ing the unit N G WW G o o NN 0 Oo ool This mark indicates procedures which if improperly performed A WARNING might lead to the death or serious injury of the user Request your dealer or a professional installer to install the indoor unit in accordance with this Installation Manual An improperly installed unit can cause serious accidents 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 bein
9. 1 1 For authorized service personnel only pipes thinner than 0 8 mm even when it is available on the market CONNECTION PIPE REQUIREMENT AN WARNING This mark indicates procedures which if improperly per 3 Nominal diameter diameter Outer diameter diameter Thickness formed might lead to the death or serious injury of the user 15 88 mm For the room air conditioner to operate satisfactory install it as outlined in this installa tion manual N WARNING Connect the indoor unit and outdoor unit with the air conditioner piping and cables available standards parts This installation manual describes the correct connections using the standard accessories and the parts specified in this installation manual Do not use the existing for R22 piping and flare nuts If the existing materials are used the pressure inside the refrigerant cycle will rise and cause failure injury etc Use the special R410A materials Have installation work done by authorized service personnel only Do not use this equipment with air or any other unspecified refrigerant in the refrigerant lines Excess pressure can cause a rupture Do not use an extension cable Do not turn on the power until all installation work is complete During installation make sure that the refrigerant pipe is attached firmly before you run This mark indicates procedures which if improperly the compressor
10. correct operation cannot be guaranteed 230V 50Hz Model Pipe diameter Piping length Max height difference AN WARNING type Indoor unit to outdoor unit 30L 30m Before turning on the power check if the voltage is within the 220 V 10 to 240 V The rated voltage of this product is 230 V AC 50 Hz 10 range 2 ABOUT THE UNIT Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner 2 1 Precautions for using R410A refrigerant m Use a circuit breaker and receptacle matched to the capacity of the air conditioner The basic installation work procedures are the same as conventional refrigerant R22 Do not extend the power cable models T Perform wiring work in accordance with standards so that the air conditioner can be However pay careful attention to the following points operated safely and positively Since the working pressure is 1 6 times higher than that of conventional refrigerant Pa P R22 models some of the piping and installation and service tools are special See Install a leakage circuit breaker in accordance with the related laws and regulations and the table below E electric company standards Especially when replacing a conventional refrigerant R22 model with a new refrigerant MU j T m R410A model always replace the conventional piping and flare nuts with the R410A piping The circuit breaker is installed in the
11. or debris in the room If you do not wish the filter sign to be displayed select the set ting value for No indication Factory setting Setting Description Function Number Setting Value Standard 400 hours 00 Long interval 1 000 hours u 01 Short interval 200 hours 02 No indication 03 Cooling Room Temperature Correction Depending on the installed environment the room temperature sensor may require a cor rection The settings may be selected as shown in the table below Factory setting Setting Description Function Number Setting Value Standard 00 Slightly lower control 01 Lower control 02 Warmer control 03 Heating Room Temperature Correction Depending on the installed environment the room temperature sensor may require a cor rection The settings may be changed as shown in the table below Factory setting Function Number Setting Description Setting Value Standard 00 Lower control di 01 Slightly warmer control 02 Warmer control 03 Auto Restart Enable or disable automatic system restart after a power outage Factory setting Setting Description Function Number Setting Value Yes 00 40 No 01 Auto restart is an emergency function such as for power failure etc Do not start and stop the indoor unit by this function in normal operation Be sure t
12. piping Bottom piping Install the indoor unit piping in the direction of the wall hole and bind the drain hose and pipe together with vinyl tape Install the piping so that the drain hose is at the bottom Wrap the pipes of the indoor unit that are visible from the outside with decorative tape For Left rear piping Left piping Interchange the drain cap and the drain hose CAUTION Insert drain hose and drain cap securely Drain should slope down to avoid water leakage When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage After removing drain hose be sure not to forget mounting drain cap Be sure to fix the drain hose with tape to the bottom of piping Prevent drain water freezing under low temperature environment When installing indoor unit s drain hose outdoors necessary measure for frost protec tion should be taken to prevent drain water freezing Under low temperature environment when outdoor temperature under 0 C after cool ing operation is executed water in the drain hose could be frozen Once drain water is frozen the drain hose will be blocked and water leakage may result at the indoor unit Bind with vinyl tape Right piping Pipe top Rear piping Bottom piping Indoor unit drain hose bottom For left outlet piping cut off the piping outle
13. putty Outdoors Field supplied Overlap the insulation Connection pipe heat insulation Bind the pipes together so that there is no gap Drainhose Cloth tape Left piping For connection from the left rear Connection cable Drain hose Wall pipe Connection cable O Pipe OCG P Connection pipe Drain hose Check the following NO GOOD NOGOOD NO GOOD aqad E E Lifted up Wave End in water GOOD F Drain hose EN Saddle 9 FRONT PANEL REMOVAL AND INSTALLATION 9 1 Intake grill removal 1 Open the intake grille 2 Pull down the knob 3 Lift the intake grille upward until the axle at the top of the intake grille is removed 9 2 Intake grill installation 1 The fixing axle of the intake grille is installed on the Panel 2 Lay down the intake grille 9 3 Front panel removal 1 Remove intake grille Reference the intake grille removal 2 Remove the 6 screws 3 The thumb is hung on the lower part as shown in the figure and it pulls to the front pushing A mark and bottom hooks 2 positions is removed from wall hook bracket 4 The front panel is pulled to the front raising the upper surface and a front panel is removed 9 4 Front panel installation 1 First fit the lower part of the front panel and insert top and bottom hooks Three top sides 2 Attach the 6 screws 3 Attach the intake grille Intake grille Int
14. tape Wall cap Saddle Drain hose Tapping screws Sealant M10 bolt nut 3 SELECTING THE MOUNTING POSITION Decide the mounting position with the customer as follows Do not set to a place where there is oily smoke oil is used in the factory the unit can contact sea breeze sulfide gases will be generated in the hot spring area corrosive gases will be generated animal may urine on the unit and ammonia will be generated and a dusty place 3 1 Outdoor unit 1 If possible do not install the unit where it will be exposed to direct sunlight If necessary Install a blind that does not interfere with the air flow 2 Do not install the unit where a strong wind blows or where it is very dusty 3 Do not install the unit where people pass 4 Take you neighbors into consideration so that they are not disturbed by air blowing into their windows or by noise 5 Provide the space shown in figure so that the airflow is not blocked Also for efficient operation leave open three of the four directions front rear and both sides 6 Install the outdoor unit in a location which can withstand the weight of the unit and vibration and which can install horizontally Provide the indicated space to ensure good airflow During heating operation drain water flows from the outdoor unit Therefore install the outdoor unit in a place where the drain water flow will not be obstructed Reverse cycle model only 9 Install t
15. the weight of the indoor Install the units securely so that they do not topple or fall 6 3 Cutting the hole in the wall for the connecting piping N CAUTION E 1 Cut a 80 mm diameter hole in the wall at the position shown in the figure Do not install the unit in the following areas 2 When cutting the wall hole at the inside of the wall hook bracket cut the hole to a point of Area with high salt content such as at the seaside It will deteriorate metal parts intersection of center marks causing the parts to fail or the unit to leak water When cutting the wall hole at the outside of the wall hook bracket cut the hole at a Area filled with mineral oil or containing a large amount of splashed oil or steam point of 10 mm below such as a kitchen 3 Cut the hole so that the outside end is lower 5 to 10 mm than the inside end It will deteriorate plastic parts causing the parts to fail or the unit to leak water 4 Always align the center of the wall hole If misaligned water leakage will occur Area that generates substances that adversely affect the equipment such as Cut the wall pipe to match the wall thickness stick it into the wall cap fasten the cap sulfuric gas chlorine gas acid or alkali with vinyl tape and stick the pipe through the hole It will cause the copper pipes and brazed joints to corrode which can cause 6 For left piping and righ
16. use insulation with heat conductivity of 0 045 W m K or less at 20 C 5 5 Test run Perform test operation and check items Forthe test operation method refer to the operating manual The outdoor unit may not operate depending on the room temperature In this case press the test run button on the remote controller while the air conditioner is running Point the transmitter section of the remote controller toward the air conditioner and press the test run button with the tip of a ball point pen etc Toend test operation press the remote controller START STOP button When the air conditioner is run by pressing the test run button the OPERATION indicator lamp and TIMER indicator lamp will simultaneously flash slowly Transmitter section Test run button OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation 2 Will noise wind or drain water from the unit disturb the neighbors 3 Is there any gas leakage 5 6 Customer guidance Explain the followings to the customer in accordance with the operating manual 1 Starting and stopping method operation switching temperature adjustment timer airflow switching and other remote controller operations 2 Air filter removal and cleaning and how to use the airflow direction louvers 3 Give the operating and installation manuals to the customer 6 PUMP DOWN 6 1 Pump down PUMP DOWN OPERATION FORCED COOLING OPERATI
17. AIR CONDITIONER INDOOR UNIT Wall Mounted Type INSTALLATION MANUAL INSTALLATION MANUAL For authorized service personnel only INSTALLATIONSANLEITUNG Nur f r autorisiertes Fachpersonal MANUEL D INSTALLATION Pour le personnel agr uniquement MANUAL DE INSTALACI N S lo para personal de mantenimiento autorizado MANUALE DI INSTALLAZIONE Esclusivamente destinato al personale autorizzato El XEIPIAIO ETKATAZTAZH2 M vo yia TIPOOWTTIKO TOU OEPBIC MANUAL DE INSTALAGAO Apenas para t cnicos de assist ncia autorizados YCTAHOBKE MONTAJ KILAVUZU Sadece yetkili servis personeli icindir PART NO 9315342874 03 T rkce Portugu s EAAnvika Italiano Espanol Frangais Deutsch English INSTALLATION MANUAL PART NO 9315342874 03 INDOOR UNIT Wall Mounted Type Contents SAFETY PRECAUTION E 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant 2 2 Special tools for R410A 2 8 For authorized service personnel only 2 4 Accessories 2 5 Optional parts 90 AEN M M 3 1 of copper pipe and insulation material 3 2 Additional materi
18. CB CN6 Connector No Option type Wired remote controller CN6 Simple remote controller External input CN14 External output CN16 screw cable of wired remote controller external connect wire ET 12 6 Front panel control box cover and display case installation Install front panel control box cover and display case by the reverse procedures as stated in 12 4 Front panel control box cover and display case removal FUNCTION SETTING Perform the FUNCTION SETTING according to the installation conditions using the remote controller N CAUTION Confirm whether the wiring work for Outdoor unit or Branch box has been finished Confirm that the cover for the electrical enclosure on the outdoor unit is in place This procedure changes to the function settings used to control the indoor unit according to the installation conditions Incorrect settings can cause the indoor unit to malfunction After the power is turned on perform the FUNCTION SETTING according to the installation conditions using the remote controller The settings may be selected between the following two Function Number or Setting Value Settings will not be changed if invalid numbers or setting values are selected Refer to the installation manual enclosed with the remote controller when the wired remote controller option is used Entering the Function Sett
19. Gauge manifold refrigerants the diameter of each port has been changed It is recommended the gauge with seals 0 1 to 5 3 MPa 1 to 53 bar for high pressure 0 1 to 3 8 MPa 1 to 38 bar for low pressure SAFETY PRECAUTION trente vasasndees 1 U Charge hose S Mai n resistance the hose material and base ABOUT THE UNIT dendo ERR denn s INSTALLATION MANUAL 9374995202 02 Contents 2 8 SELECTING THE MOUNTING POSITION e 2 i Vacuum pump Arconventional vacuum pump can be Used by installing a vacuum pump adapter 4 INSTALEATION DIAGRBAM rerit ces fees dae tele sd ceeded desde ste 2 M Gas leakage detector Special gas leakage detector for HFC refrigerant R410A 5 c 3 65 PUP DONN e Copper pipes It is necessary to use seamless copper pipes and it is desirable that the amount of residua oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion value or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is 1 SAFETY PRECAUTIONS necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table1 Never use copper
20. ON To avoid discharging refrigerant into the atmosphere at the time of relocation or disposal recover refrigerant by doing the cooling operation or forced cooling operation according to the following procedure When the cooling operation cannot start in winter and so on start the forced cooling operation 1 Do the air purging of the charge hose by connecting the charging hose of gauge manifold to the charging port of 3 way valve and opening the low pressure valve slightly 2 Close the valve stem of 2 way valve completely 3 Start the cooling operation or following forced cooling operation Keep on pressing the MANUAL AUTO button of the indoor unit for more than 10 seconds The operation indicator lamp and timer indicator lamp will begin to flash simultaneously during test run The forced cooling operation cannot start if the MANUAL AUTO button is not kept on pressing for more than 10 seconds 4 Close the valve stem of 3 way valve when the reading on the compound pressure gage becomes 0 05 0 Mpa 0 5 0 kg cm 5 Stop the operation Press the START STOP button of the remote control unit to stop the operation Press the MANUAL AUTO button when stopping the operation from indoor unit side It is not necessary to press on keeping for more than 10 seconds During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compr
21. OUTDOOR UNIT INDOOR UNIT or BRANCH BOX TERMINAL Power line gt Q gt amp gt Please connect it to Control line l the specified terminal Earthing G ding li arth ing Groun ing line N CAUTION Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving part Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected Connect wires to the matching numbers of terminals En 5 7 2 Indoor unit wiring 1 Remove the cable clamp 2 Bend the end of the connection cable as shown in the figure 3 Connect the end of the connection cable fully inserting into the terminal block 4 Fasten the connection cable with a cable clamp Earth Ground wire E E Cable clamp E E There is a e 9 terminal block inside Connection cable Cable clamp Tab x Screw 7 Square hole Insert the tab into the square hole of the Connection cable indoor unit and fasten with a screw 7 3 How to connect wiring to the terminals Caution when wiring cable When stripping off the insulation of a lead wire always use a special tool such as a wire stripper If there is no special tool availab
22. Power supply cable 5 Power supply cable and connection cable should be fixed with cable clip as shown in the figure Fillin a gap at the entrance of the cables with insulation seal Power supply cable and connection cable SX Cable cli Fix cables so that cables do not make contact with the pipes especially on high pres sure side Do not make power supply cable and connection cable come in contact with valve Gas Power supply cable and connection cable J T oO 6 Put the service cover and valve cover back after completion of the work 5 3 Connecting the piping FLARING 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 the burrs 3 Insert the flare nut onto the pipe and flare the pipe with a flaring tool 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 R4104 flare tool or the conventional for R22 flare tool When using the conventional flare tool always use an allowance adjustment gauge and secure the A dimension shown in table 2 Check if L is flared uniformly and is not cracked or scratched Pipe outside denac Conventional R22 Flaring tool Flaring tool for R410A clutch type Clutch type Wing nut type 9 9 52 mm 3 8 0 t
23. ake grille Mounting shaft Bearing Knob 4 Front panel Ud Front panel Screws 6 position Wall hook bracket Front panel Top holes two sides Top hook center Top hole center Front panel Indoor unit Top hooks two sides N CAUTION Install the front panel and INTAKE GRILLE securely If installation is imperfect the front panel or INTAKE GRILLE may fall off and cause injury En 6 10 TEST RUN N WARNING Do not turn on the power until all installation work is complete CAUTION When restarting after a long period of disuse in the winter turn the power switch on at least 12 hours before starting the unit Check items 1 Is operation of each button on the remote controller normal 2 Does each lamp light normally 3 Do air flow direction louvers operate normally 4 Is the drain normal 5 Do not have an error noise and vibration during operation e Do not operate the air conditioner in test run for a long time Operation method e For the operation method refer to the operating Transmitter section manual e The outdoor unit may not operate depending on the room temperature In this case press the test run button on the remote controller while the air conditioner is running Point the transmitter section of the remote controller toward the air conditioner and press the test run button with the tip o
24. als required for installation 4 GELECTRICALIREQUIREMENII root rura nca Cen costo dene 5 SELECTING THEIMOUNTING POSITION uu u eicit u uu uu u uuu u u CB D CUONRUUS M S S SS Sa SS un uu 6 1 Installation dimensions 6 2 Indoor unit piping direction 6 3 Cutting the hole in the wall for the connecting piping 6 4 Installing the wall hook bracket 6 5 Forming the drain hose and pipe 6 6 Flare connection Pipe connection eese 7 ELECTRICAL WIRING 7 1 Wiring system diagram 7 2 Indoor unit wiring 7 3 How to connect wiring to the terminals lhlzicc 9 FRONT PANEL REMOVAL AND INSTALLATION eene 9 1 Intake grill removal 9 2 Intake grill installation 9 3 Front panel removal 9 4 Front panel installation II 11 REMOTE CONTROLLER INSTALLATION uu u U u nennen 11 1 Remote controller holder installation l a 12 OPTIONAL KIT INSTALLATION OPTION 12 1 Before install optional remote controller 12 2 Remote controller cable modification 12 3 External input output Wire modification 12 4 Front panel control box cover and display case removal 12 5 Connecting cable to control board connector 12 6 Front panel control box cover and display case installation
25. crew M3 x 12 mm Remote controller En 7 12 0PTIONAL KIT INSTALLATION OPTION This air conditioner can be connected with the following optional kits Refer to each instal lation manual for the method of installing parts Wired remote controller Simple remote controller External connect kit 12 1 Before install optional remote controller When you use optional remote controller some functions may not be used Please use the recommended optional remote controller CAUTION Before installing be sure to disconnect all power supply Don t touch the heat exchanger During installing or removing operation be sure not to have wire caught by parts or draw it hard Or it may result troubles to the air conditioner Avoid place in direct sunlight Select place that will not be affected by the heat from a stove etc Before setting up the optional kit please confirm whether air conditioner can receive the signal Do not connect the optional remote controller to the terminal for power supply When connecting the optional remote controller with the indoor unit please use the connecting cable packaged up with the optional remote controller Recommended cable length of optional remote controller is 10 m Make sure to do insulate of connecting part when extended the cable 12 2 Remote controller cable modification 1 Use a tool to cut off the terminal on the end of the remote control
26. ctly 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 the refrigerant comes into contact with a flame Connect the piping so that the control box cover can easily be removed for servicing when necessary In order to prevent water from leaking into the control box make sure that the piping is well insulated When the flare nut is tightened properly by your hand hold the body side coupling with a wrench then tighten with a torque wrench See the table below for the flare nut tightening torques Tighten with two wrenches A Wrench fixed Torque wrench Flare nut Indoor unit pipe Connection pipe Body side Flare nut mm in 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 7 ELECTRICAL WIRING Cable Cable size mm Type Type 60245 IEC57 3Cable Earth Ground 19230V 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 Remarks Connection cable 1 5 Max Cable Length Limit voltage drop to less than 296 Increase cable gauge if voltage drop is 296 or more 7 1 Wiring system diagram Type 60245 IEC57 Cable size 1 5 mm Inter unit Power lines
27. door unit is powered from the outdoor unit or branch box Do not power indoor unit from separate power source N WARNING Refer to local codes for acceptable cable type En 2 5 SELECTING THE MOUNTING POSITION 6 2 Indoor unit piping direction Decide the mounting position with the customer as follows 1 Install the indoor unit level on a strong wall which is not subject to vibration 2 The inlet and outlet ports should not be obstructed the air should be able to blow all over the room 3 Install the unit a dedicated electrical branch circuit 4 Do not install the unit where it will be exposed to direct sunlight 5 Install the unit where connection to the outdoor unit or branch box is easy 6 7 The piping can be connected in the 7 directions in the figure When the piping is con nected in direction 2 3 or 5 cut along the piping groove in the side of the front panel with a hacksaw Install the unit where the drain pipe can be easily installed amp Left Take servicing etc into consideration and leave the spaces shown in 6 1 Installation outlet dimensions Also install the unit where the filter can be removed Left rear Correct initial installation location is important because it is difficult to move unit after it is installed pe outlet outle o Left bottom 8 Bottom outlet outlet N WARNING Select installation locations that can properly support
28. e 5 INSTALLATION 5 1 Installation 1 Outdoor unit to be fasten with bolts at the four places indicated by the arrows without fail 2 Fix securely with bolts on a solid block Use 4 sets of commercially available M10 bolt nut and washer Bolt Block En 3 3 Since the drain water flows out of the outdoor unit during heating operation install the drain pipe and connect it to a commercial 16 mm hose When installing the drain pipe plug all the holes other than the drain pipe mounting hole in the bottom of the outdoor unit with putty so there is no water leakage Reverse cycle model only AIR Drain cap mounting holes Bottom side 370 mm 4 912 hole Drain pipe mounting hole a Base SE Drain pipe N CAUTION When the outdoor temperature is 0 C or less do not use the accessory drain pipe and drain cap If the drain pipe and drain cap are used the drain water in the pipe may freeze in extremely cold weather Reverse cycle model only 5 2 Outdoor unit wiring N WARNING Use crimp type terminals and tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit Match the terminal block numbers and connection cable colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts
29. essor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to rupture and even injury En 6
30. essories are supplied Use them as required Name and Shape Operating Manual Name and Shape Q ty Drain hose insulation Installation Manual This manual 8 Wall hook bracket _1 Remote controller Cloth tape 622 1 Tapping screw M4 x 25 mm gt Tapping screw x 12 mm Battery Air cleaning filter Remote controller holder Air cleaning filter frame The following items are necessary to install this air conditioner The items are not included with the air conditioner and must be purchased separately Name Name Q ty Connection pipe assembly 1 Saddle 1 set Connection cable 4 conductor 1 Drain hose Wall pipe Decorative tape Tapping screws Sealant 1 M10 bolt nut 4 set Vinyl tape Wall cap 2 5 Optional parts Refer to each installation manual for the method of installing optional parts Parts name Model No Application Wired Remote Controller UTY RNN M For air conditioner operation Simple Remote Controller UTY RSN M For air conditioner operation External connect kit UTY XWZX For control input output port 3 GENERAL This INSTALLATION MANUAL briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor units and make sure all ac cessory parts li
31. f a ballpoint pen etc e To end test operation press the remote controller START STOP button When the air conditioner is running by pressing the test run button the OPERATION Lamp and TIMER Lamp will simultaneously flash slowly Using the wired remote control Option e For the operation method refer to the operating manual 1 Stop the air conditioner operation 2 Press the master control button and the fan viz control button simultaneously for 2 seconds or _ E S more to start the test run 2 3 Press the start stop button to stop the test run Test run display 11 REMOTE CONTROLLER INSTALLATION N CAUTION Check that the indoor unit correctly receives the signal from the remote controller then install the remote controller holder Select the remote controller holder selection site by paying careful attention to the following Avoid places in direct sunlight Select a place that will not be affected by the heat from a stove etc 11 1 Remote controller holder installation Install the remote controller a maximum distance of 7 m from the remote control re ceiver However when installing the remote controller check that it operates correctly Install the remote controller holder to a wall pillar etc with the tapping screw Remote controller mounting 1 Set Remote controller holder fixing Remote controller holder 2 Push P Tapping s
32. g 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 En 1 This mark indicates procedures which if improperly performed AN CAUTION might possibly result in personal harm to the user or damage to property 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 refrigerant fluids Refer to regulation and laws in use on installation place The installation must be carried out in compliance with regulations in force in the place of installation and the installation instructions of the manufacturer This unit is part of a set constituting an air conditioner It must not be installed alone or with non authorized by the manufacturer 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 The unit must be correctly earthed grounded and the supply line must be equipped with a differential breaker in order to protect the persons The units are not explosion proof and therefore should not be installed in explosive atmosphere id Never touch electrical components immed
33. ght angle with the pipe in order to tighten the flare nut correctly 9 52 mm 3 8 in dia 15 88 mm 5 8 in dia Fasten a flare nut with a torque wrench as instructed in this manual If fastened too tight the flare nut may be broken after a long period of time and cause a leakage of refrigerant Tightening torque 32 to 42 N m 320 to 420 kgf cm 63 to 75 N m 630 to 750 kgf cm 5 4 Air purge Always use a vacuum pump to purge the air Refrigerant for purging the air is not charged in the outdoor unit at the factory 1 Remove the cap and connect the gauge manifold and the vacuum pump to the charging valve by the service hoses 2 Vacuum the indoor unit and the connection pipes until the pressure gauge indicates 0 1 MPa 76 cmHg 3 When 0 1 MPa 76 cmHg is reached operate the vacuum pump for at least 60 minutes 4 Disconnect the service hoses and fit the cap to the charging valve to the specified torque 5 Remove the blank caps and fully open the spindles of the 2 way and 3 way valves with a hexagon wrench Torque 6 7 N m 60 to 70 kgf cm 6 Tighten the blank caps of the 2 way valve and 3 way valve to the specified torque 9 52 mm 3 8 in Blank cap 15 88 mm 5 8 in Charging port cap Tightening torque 20 to 25 N m 200 to 250 kgf cm 30 to 35 N m 300 to 350 kgf cm 12 5 to 16 N m 125 to 160 kgf cm En 5 Connection pipe gt Blank cap Outdoor unit Hexagon wrenc
34. h Use a4 mm hexagon wrench 3 way valve Y Charging port Service hose with valve core Use a clean gauge manifold and charging hose for R410A exclu Sively Vacuum pump Service hose Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation There is no extra refrigerant in the outdoor unit for air purging Use a vacuum pump and gauge manifold and charging hose for R410A exclusively Using the same vacuum for different refrigerants may damage the vacuum pump or the unit GAS LEAKAGE INSPECTION N CAUTION After connecting the piping check the all joints for gas leakage with gas leak detector When inspecting gas leakage always use the vacuum pump for pressure Do not use nitrogen gas CAUTION Install insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use insulation with heat resistance above 120 Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install insulation around the refrigerant piping If the expected humidity level is 70 80 use insulation that is 15 mm or thicker and if the expected humidity level exceeds 80 use insulation that is 20 mm or thicker If insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition
35. han 1800 mm Inside Wall Outside Fasten with vinyl tape Field supplied 6 INSTALLATION WORK N WARNING Installation dimensions If the wall pipe is not used the cable interconnecting the indoor unit s and outdoor unit or branch box may touch metal and cause electric discharge 6 4 Installing the wall hook bracket 120 mm 1 Install the wall hook bracket so that it is correctly positioned horizontally and vertically or over If the wall hook bracket is tiled water will drip to the floor 2 Install the wall hook bracket so that it is strong enough to support the weight of the unit e Fasten the wall hook bracket to the wall with 6 or more screws through the holes near the outer edge of the bracket e Check that there is no rattle at the wall hook bracket 80 mm or over Wall hook bracket 80 mm or over 1500 mm or over Wall cap The distance between the wall hook bracket and the ceiling should be 80 mm or more The side next to the sidewall must 1800 mm or over Remote follow the size indicated in figure controller Remote controller holder Wall hook bracket Tapping screw Tapping screw small size large quantity 8 CAUTION Install the wall hook bracket level both horizontally and vertically En 3 6 5 Forming the drain hose and pipe Rear piping Right
36. he outdoor unit in a place where it will be free from being dirty or getting wet by rain as much as possible 10 Install the unit where connection to the indoor unit is easy 10 N WARNING Install at a place that can withstand the weight of the outdoor units and install positively so that the units will not topple or fall N CAUTION Do not install where there is the danger of combustible gas leakage Do not install near heat sources If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit 4 INSTALLATION DIAGRAM OUTDOOR UNIT Do not directly install it on the ground otherwise it will cause failure 5 cm or more In the area with heavy snowfall if the intake and outlet of outdoor unit is blocked with snow it might become difficult to get warm and it is likely to cause of the breakdown Please construct a canopy and a pedestal or place the unit on a high stand local configured En 2 When there are obstacles at the back side 10 When there obstacles at the back and front sides 40 cm or more lt 60 cm or more When there are obstacles at the back side s and top 10 cm or more 40 cm or more 25 cm or more s Service space When there are obstacles at the back side with the installation of more than one unit lt gt 25 cm or more 30 cm 25 cm or more or mor
37. he refrigerant take into account the slight change in the composition of the gas and liquid phases And always charge from the liquid phase where refrigerant composition is stable 2 2 Special tools for R410A Tool name Contents of change Pressure is high and cannot be measured with a conventional R22 gauge To prevent erroneous mixing of other refriger ants the diameter of each port has been changed It is recommended the gauge with seals 0 1 to 5 3 MPa 1 to 53 bar for high pressure 0 1 to 3 8 MPa 1 to 38 bar for low pressure Gauge manifold Charge hose To increase pressure resistance the hose material and base size were changed A conventional vacuum pump can be used by installing a Vacuum pump vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A Copper pipes It is necessary to use seamless copper pipes and it is desirable that the amount of re sidual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion value or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is neces sary to choose adequate materials CONNECTION PIPE REQUIREMENT N WARNING Do not use the existing for R22 piping and flare nuts If the existing materials are used the
38. iately 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 This unit contains no user serviceable parts Always consult authorized service personnel to repairs When moving consult authorized service personnel for disconnection and installation of the unit 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant The basic installation work procedures are the same as conventional refrigerant R22 models However pay careful attention to the following points Since the working pressure is 1 6 times higher than that of conventional refrigerant R22 models some of the piping and installation and service tools are special See the table below Especially when replacing a conventional refrigerant R22 model with a new refrigerant R410A model always replace the conventional piping and flare nuts with the R410A piping and flare nuts Models that use refrigerant R410A have a different charging port thread diameter to prevent erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehand The charging port thread diameter for R410A is 1 2 inch Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant R22 models Also when storing the piping securely seal the opening by pinching taping etc When charging t
39. ignal code after replacing the batteries If you do not know the air conditioner signal code setting try each of the signal codes H5h r until you find the code which operates the air conditioner STEP2 Selecting the Function Number and Setting Value 1 Press the SET TEMP W buttons to select the function number Press the MODE button to switch between the left and right digits 2 Press the FAN button to proceed to setting the value Press the FAN button again to return to the function number selection Function number 3 Press the SET TEMP WP buttons to select the setting value Press the MODE button to switch between the left and right digits Setting alue 4 Press the TIMER MODE button and START em STOP button in the order listed to confirm the settings 5 Press the RESET button to cancel the func tion setting mode ECONOMY 4i SET SET MP SLEEP v7 2 lt SWING 6 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again N CAUTION After turning off the power wait 10 seconds or more before turning on it again The Function Setting does not become active unless the power is turned off then on again En 8 Filter Sign The indoor unit has a sign to inform the user that it is time to clean the filter Select the time setting for the filter sign display interval in the table below according to the amount of dust
40. ing Mode While pressing the FAN button and SET TEMP d simultaneously press the RESET button to enter the function setting mode STEP 1 Selecting the Remote Controller Signal Code Use the following steps to select the signal code of the re mote controller Note that the air conditioner cannot receive a signal code if the air conditioner has not been set for the signal code The signal codes that are set through this process are ap plicable only to the signals in the FUNCTION SETTING For details on how to set the signal codes through the normal process refer to Remote controller signal code 1 Press SET TEMP dh P button to change the signal START code between Asher eet Match the code on the STOP A display to the air conditioner signal code Initially set to If the signal code does not need to be selected press the MODE button and proceed to STEP 2 ECONOMY TEMP 2 Press the TIMER MODE button and check that the indoor unit can receive signals at the displayed signal code 3 Press the MODE button to accept the signal code and proceed to STEP 2 TMERMODE o o CLOCK TEST RESET ADJUST RUN The air conditioner signal code is set to A prior to shipment Contact your retailer to change the signal code The remote controller resets to signal code A when the batteries in the remote controller are replaced If you use a signal code other than signal code A reset the s
41. ioner signal codes Confirm the setting of the remote controller signal code and the function setting If these are not confirmed the remote controller cannot be used to operate for the air conditioner Selecting the Remote Controller Signal Code Use the following steps to select the signal code of the remote controller Note that the air conditioner cannot re ceive a signal code if the air conditioner has not been set or the signal code 1 Press the START STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least 5 seconds to dis FAN play the current signal code initially set to 1 START hf STOP 3 Press SET TEMP dh button to change the sig TC HEAT nal code between H h r d Match the code on A the display to the air conditioner signal code ECONOMY SET 4i SET TEMP SLEEP x Tz SWING If no buttons are pressed within 30 seconds after the signal code is displayed the sys tem returns to the original clock display In this case start again from step 1 The air conditioner signal code is set to A prior to shipment Contact your retailer to change the signal code SET 4 Press the MODE button again to return to the clock display The signal code will be changed If setting value is 00 Room temperature is controlled by the indoor unit temperature sensor If setting value is 01 Room temperature is contro
42. it will output er Discharge pressure sensor ror codes by way of blinking patterns If you use a wired remote controller error codes will error appear on the remote controller display See the lamp blinking patterns and error codes in 8 e 6 o Bb Suction pressure sensor error the table An error display is displayed only during operation High pressure switch error Error displa i Trip detection play Wired e 9 e 4 o gy p OPERATION TIMER ECONOMY remote Description lamp lamp lamp controller Compressor rotor position Error cod e 9 e 5 o 95 i green orange green rror code detection error permanent stop i icati Outdoor unit fan motor error e e o Serial communication error e 9 e 7 o 1 I Wired remote controller e 9 e 9 o 4 way valve error e 2 ie communication error 88 Discharge temp error et e 5 o i5 Check run unfinished e 10 e 1 o R 9 i i ircui Compressor temp error I Unit number or Retrigerant circuit e 10 e 3 o H3 p p 2 1 o c address setting error Simultaneous Multi High pressure error d it it e e E R4 idi ndoor unit capacity error 2 2 o 202 Low pressure error e 10 e 5 AS 3 o 23 Combination error e 2 e 3 m 0 5 Ig Branch boxes error Connection unit number 4 Flexible Multi error indoor secondary unit Simultaneous Multi e 2 4 c e q Connection unit number error indoor unit or branch unit Flexible Multi
43. le carefully strip the insulation with a knife etc 1 Use crimp type terminals with insulating sleeves as shown in the figure below to con nect to the terminal block 2 Securely clamp the crimp type terminals to the wires using an appropriate tool so that the wires do not come loose Strip 10 mm Crimp type terminal 22 my 3 Use the specified wires 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 screw driver 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 X Screw with r Screw with special washer special washer Wire Crimp type terminal Crimp type terminal Wire Il Terminal blocks 5 m Tightening torque N m kgf cm 1 2 to 1 8 12 to 18 6 See the table for the terminal screw tightening torques N CAUTION Match the terminal block numbers and connection cable colors with those of the outdoor unit or branch box Erroneous wiring may cause burning of the electric parts Connect the connection cables firmly to the terminal block Imperfect installation may cause a fire Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric discharge may occur
44. ler cable and then remove the insulation from the cut end of the cable 2 Connect the remote controller cable and connecting cable Supplied with wired remote controller Important Be sure to solder wires to connect Be sure to insulate the connection between the wires Connecting cable E S White Red J K Black Remote controller cable Red Insulated Remote connection controller cable 12 3 External input 1 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 2 Connect the wire and Field supply wire Supplied with external connect kit Option parts External input output wire 7 Insulated connection Cable Field supply Important Be sure to solder wires to connect Be sure to insulate the connection between the wires 12 4 Front panel control box cover and display case removal 1 Refer to FRONT PANEL REMOVAL AND INSTALLATION to remove the front panel 2 Remove the screw then remove the control box cover 3 Remove the display case and connector connector control box cover display case 12 5 Connecting cable to control board connector 1 Pass the cable from the hole in the back of indoor unit 2 Connect the cable to the control board connector 3 Hook the cable to the rib CN16 CN14 P
45. lled by either indoor unit temperature sensor or remote controller sensor Remote controller signal code Change the indoor unit Signal Code depending on the remote controllers Factory setting Setting Description Function Number Setting Value 00 01 44 02 D 03 En 9 The remote controller resets to signal code A when the batteries in the remote controller are replaced If you use a signal code other than signal code A reset the signal code after replacing the batteries If you do not know the air conditioner signal code setting try each of the signal codes H ye until you find the code which operates the air conditioner 14 CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual 1 Starting and stopping method operation switching temperature adjustment timer air flow switching and other remote control unit operations 2 Air filter removal and cleaning and how to use the air louvers 3 Give the operating manual to the customer 4 If the signal code is changed explain to the customer how it changed the system returns to signal code A when the batteries in the remote controller are replaced 4 is applicable to using wireless remote controller 15 ERROR CODES e 5 e 4 o ay Current sensor error f you use a wireless remote controller the lamp on the photo detector un
46. o 0 5 1 0 to 1 5 1 5 to 2 0 9 15 88 mm 5 8 0 to 0 5 1 0 to 1 5 1 5 to 2 0 BENDING PIPES 1 When bending the pipe be careful not to crush it 2 To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 70 mm or over 3 If the copper pipe is bend the pipe or pulled to often it will become stiff Do not bend the pipes more than three times at one place En 4 CONNECTION PIPES Outdoor unit 1 Detach the caps and plugs from the pipes Be sure to apply the pipe against the port on the indoor unit and the outdoor unit cor rectly If the centering is improper the flare nut cannot be 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 connect ing the connection pipe 2 Centering the pipe against port on the outdoor unit turn the flare nut with your hand To prevent gas leakage coat the flare surface with alkylbenzene oil HAB Do not use mineral oil 3 Tighten the flare nut of the connection pipe at the outdoor unit valve connector 3 way valve Liquid Connection pipe Liquid 3 way valve Gas Flare nut Connection pipe Gas 4 When the flare nut is tightened properly by your hand use a torque wrench to finally tighten it Holding spanner Body side Torque wrench Hold the torque wrench at its grip keeping it in the ri
47. o operate by the control unit or external input device Indoor room temperature sensor switching function Only for Wired remote controller The following settings are needed when using the Wired remote controller temperature sensor Factory setting Setting Description Function Number Setting Value External input control Operation Stop mode or Forced stop mode can be elected Factory setting Setting Description Function Number Setting Value Operation Stop mode 00 Setting forbidden 46 01 Forced stop mode 02 Setting record Record any changes to the settings in the following table Setting Description Setting Value Filter sign Cooling room temperature correction Heating room temperature correction Auto restart Indoor room temperature sensor switching function Remote controller signal code External input control After completing the FUNCTION SETTING be sure to turn off the power and turn it on again Selecting the remote controller signal code When 2 or more air conditioners are installed in a room and the remote controller is oper ating an air conditioner other than the one you wish to set change the signal code of the remote controller to operate only the air conditioner you wish to set four selections pos sible When two or more air conditioners are installed in a room please contact your retailer to set the individual air condit
48. permanent wiring Always use a circuit that can trip and flare nuts all the poles of the wiring and has an isolation distance of at least 3 mm between the contacts of each pole Models that use refrigerant R410A have a different charging port thread diameter to pre vent erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehand The charging port thread diameter for R410A is 1 2 inch A CAUTION Be more careful that foreign matter oil water etc does not enter the piping than with The power source capacity must be the sum of the air conditioner current and the cur refrigerant R22 models Also when storing the piping securely seal the opening by rent of other electrical appliances When the current contracted capacity is insufficient pinching taping etc change the contracted capacity When charging the refrigerant take into account the slight change in the composition of w the gas and liquid phases And always charge from the liquid phase where refrigerant When the voltage is low and the air conditioner is difficult to start contact the power composition is stable company the voltage raised En 1 2 4 Electric requirement Electric wire size and fuse capacity Power supply cable mm Connection cable Fuse capacity A Use conformed cable with Type245 IEC57 Install all electrical works in accordance to the national s
49. pressure inside the refrigerant cycle will rise and cause failure injury etc Use the special R410A materials When installing and relocating the air conditioner do not mix gases other than the specified refrigerant R410A to enter the refrigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause failure injury etc 2 3 For authorized service personnel only N WARNING For the air conditioner to operate satisfactorily install it as outlined in this installation manual Connect the indoor unit and outdoor unit or branch box with the air conditioner piping and cables available from your local distributor This installation manual describes the correct connections using the installation set available from your local distributor Installation work must be performed in accordance with national wiring standards by authorized personnel only Do not turn on the power until all installation work is complete N CAUTION This installation manual describes how to install the indoor unit only To install the outdoor unit refer to the installation manual included with the outdoor unit or branch box e Be careful not to scratch the air conditioner when handling it e After installation explain correct operation to the customer using the operating manual 2 4 Accessories The following installation acc
50. sted are with the system before beginning 3 1 Type of copper pipe and insulation material N CAUTION Refer to the installation manual for the outdoor unit for description of allowable pipe length and height difference Diameter ied 2 Liquid pipe Gas pipe 18L 6 35 mm 1 4 in 12 70 mm 1 2 in 24L 6 35 mm 1 4 in 15 88 mm 5 8 in 30L 9 52 mm 3 8 in 15 88 mm 5 8 in 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 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 8096 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 3 2 Additional materials required for installation A Refrigeration armored tape B Insulated staples or clamps for connecting wire See your local electrical codes C Putty D Refrigeration lubricant E Clamps or saddles to secure refrigerant piping 4 ELECTRICAL REQUIREMENT The in
51. t cutting groove with a hacksaw Remove the drain cap by pull ing at the projection at the end of the cap with pliers etc Indoor unit drain hose Drain cap CAUTION Insert the drain hose and drain cap into the drain port making sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Drain hose insulation to the drain hose For left piping and left rear piping align the marks on the wall hook bracket and shape the connection pipe Bend the connection piping at the bend radius of 100 mm or more and install no more than 35 mm from the wall After passing the indoor piping and drain hose through the wall hole hang the indoor unit on the hooks at the top and bottom of the wall hook bracket Installing the indoor unit Hang the indoor unit from the hooks at the top of the wall hook bracket Insert the spacer etc between the indoor unit and the wall hook bracket and separate the bottom of the indoor unit from the wall Indoor unit Spacer Wall hook bracket Alignment marks Wall hook bracket 1 V La Connection piping Small piping Large piping Top hooks mami QU ma J Ini i232 d 1 LIAE B LU ee Wall hook bracket Indoor V PS unit
52. t display f OPERATION C gt OPERATION lamp green TIMER C gt TIMER lamp orange ECONOMY C 2 ECONOMY lamp green Troubleshooting with the Wired Remote Controller Display Option If an error occurs the following display will be shown Er will appear in the set room temperature display Error code SU MO TU WE TH FR SA mr t E En 10 AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL INSTALLATION MANUAL For authorized service personnel only INSTALLATIONSANLEITUNG Nur f r autorisiertes Personal MANUEL D INSTALLATION Pour le personnel agr uniquement MANUAL DE INSTALACI N Solo para personal autorizado MANUALE D INSTALLAZIONE Ad uso esclusivo del personale autorizzato ET XEIPIAIO ETKATAZTAZHZ iq EEOUDIOOOTNHEVO rrpocurriK o ppic MANUAL DE INSTALAGAO Apenas para t cnicos autorizados PYKOBORCTBO YCTAHOBKE KURULUM KILAVUZU Yetkili servis personeli icindir PART NO 9374995202 02 T rk e Portugu s EAAnvIk Italiano Espa ol Fran ais Deutsch English OUTDOOR UNIT 2 2 Special tools for R410A Contents of change Pressure is high and cannot be measured with a conven tional R22 gauge To prevent erroneous mixing of other
53. t piping cut the hole a little lower so that drain water will flow refrigerant leakage freely Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline Wall hook bracket Centering marks 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 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 branch box power supply cable transmission cable and remote control 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 5to 10 mm If children under 10 years old may approach the unit take preventive measures so Wall pipe that they cannot reach the unit Wall cap Install the indoor unit on the wall where the height from the floors more t
54. tandard Install the disconnect device with a contact gap of at least 3 mm in all poles nearby the units Both indoor unit and outdoor unit Install the circuit breaker nearby the units 2 5 Operating range Cooling Dry Mode Heating Mode About 10 to 46 C About 15 to 24 C 2 6 Additional charge Refrigerant suitable for a piping length of 20 m is charged in the outdoor unit at the factory When the piping is longer than 20 m additional charging is necessary For the additional amount see the table below When moving and installing the air conditioner do not mix gas other than the specified refrigerant R410A inside the refrigerant cycle When charging the refrigerant R410A always use an electronic balance for refrigerant charging to measure the refrigerant by weight When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose composition is stable Add refrigerant from the charging valve after the completion of the work If the units are further apart than the maximum pipe length correct operation cannot be guaranteed 2 7 Accessories Name and Shape Q ty Name and Shape Q ty Insulation seal Installation manual Drain cap One set of following parts are necessary in installation of this air conditioner Connection pipe assembly Connection cable Wall pipe Decorative tape Vinyl

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