INSTALLATION MANUAL
Contents
1. 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 of 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 button2. P button to change the signal code between Aoher d Match the code on the display to the air conditioner signal code Initially set to Fb If the signal code does not need to be selected A 4AN SET CN14 press the MODE button and proceed to STEP 2 SET CN16 MP PCB 2 Press the TIMER MODE button and check that the indoor Co SWING unit can receive signals at the displayed signal code 3 Press the MODE button to accept the signal code and proceed to STEP 2 f o 6 SOs RR Cen The air conditioner signal code is set to A prior to shipment Contact your retailer to change the signal code Option type Connector No Wired remote controller CN6 The remote controller resets to signal code A when the batteries in the remote controller Simple remote controller are replaced If you use a signal code other than signal code A reset the signal code p y g g 9 External input CN14 after replacing the batteries f you do not know the air conditioner signal code setting try each of the signal codes External output CN16 Aska until you find the code which operates the air conditioner STEP 2 Selecting the Function Number and Setting Value screw 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 Function number
3. off Electric shock may occur After turning off the power always wait 5 minutes before SELECTING THE MOUNTING POSITION sse 3 touching electrical components 6 INSTALLATION WORK ertet ih tecto nb etre be E hieu 3 contains user serviceable parts Always consult authorized service personnel to repairs 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 When moving consult authorized service personnel for disconnection and installation of the unit 2 ABOUT THE UNIT 0 0 0 6 6 Flare connection Pipe connection 7 ELECTRICAL WIRING 7 1 Wiring system diagram 2 1 Precautions for using R410A refrigerant 2 IndoOrdiit ITI tete 5 The basic installation work procedures are the same as conventional refrigerant R22 7 3 How to connect wiring to the terminals 5 models However pay careful attention to the following points 8 T 6 9 FRONT PANEL REMOVAL AND INSTALLATION 9 1 Intake grill removal Since the working pressure is 1 6 times higher than that of conventional refrigerant R22 models some of the piping and installation and se
4. the OPERATION Lamp and TIMER Lamp will simultaneously flash slowly SOFAN Test run button 365 MODE 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 N17 control button simultaneously for 2 seconds or E 5 more to start the test run JB x VN 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 oller holder installation 11 1 Remote con 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 0 Set Remote controller holder fixing Remote controller holder 2 Push BD Tapping screw M3 x 12 mm Remote controller En 7 12 0PTIONAL KIT INSTALLATION OPTION This air conditioner c
5. 6 IN LLATION WORK N WARNING Installa mensions 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 80 mm or over Wall hook bracket 80 mm or over 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 more screws through the holes near the outer edge of the bracket e Check that there is no rattle at the wall hook bracket 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 follow the size indicated in figure 1800 mm or over Remote 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 piping Bottom piping Install the indoor unit piping in the direction of the wall hole and bind
6. 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 EI XEIPIAIO ET KATAXZTAZH2Z M vo yia TIPOOWTTIKO TOU MANUAL DE INSTALACAO 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 Espa ol Fran ais Deutsch English INSTALLATION MAN UAL This mark indicates procedures which if improperly performed AN CAUTION might possibly result in personal harm to the user or damage to PART NO 9315342874 03 property INDOOR UNIT Wall Mounted Type 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 Contents This unit must be installed by qualified p
7. G Refer to local codes for acceptable cable type En 2 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 The piping can be connected in the 7 directions in the figure When the piping is con nected in direction 3 or cut along the piping groove in the side of the front panel with a hacksaw 3 Install the unit a dedicated electrical branch circuit 4 Do not install the unit where it will be exposed to direct sunlight Rear M 5 Install the unit where connection to the outdoor unit or branch box is easy 6 Install the unit where the drain pipe can be easily installed Left 7 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 Right Cent outlet outlet Center Rear outlet eer eft bottom Z WARNING muc ne outlet outlet Select installation locations that can properly support 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 pip
8. ON 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 wi 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 1 Cable clamp E E A There is e terminal block inside 4 4 a cable Screw 2 7 Cable clamp 1283 4 Tab Screw 7 us Insert the tab into the square hole of the indoor unit and fasten with a screw 7 3 How to connect wiring to the terminals Caution when wiring cable Connection 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 available 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 ap
9. all 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 is not cracked or scratched Dimension A mm Flare tool for R410A clutch type Pipe outside diameter mm in Dimension B mm 9 1 13 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
10. ame and Shape Q ty Operating Manual Name and Shape Q ty Drain hose insulation NE Installation Manual This manual Cloth tape 622 Wall hook bracket Tapping screw 5 suu M4 x 25 mm ilt HE EN 1 8 E Remote controller Tapping screw M3 x 12 mm 1 gy 2 Battery Air cleaning filter 2 2 5 Remote controller holder Air cleaning filter frame 1 2 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 Q ty Name Q ty Connection pipe assembly 1 Saddle 1 set Connection cable 4 conductor 1 Drain hose 1 Wall pipe 1 Tapping screws 1 set Decorative tape 1 Wall cap 1 2 5 Optional parts Refer to each installation manual for the method of installing optional parts 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 listed are with the system before beginning 3 1 Type of copper pipe and insulation mat
11. an 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 con 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 controller cable and then remove the insulation from the cut end of the cable 2 Connect the remote controller cable a
12. arately 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 Saddle Sealer putty Outdoors Field supplied Overlap the insulation Connection pipe heat insulation Indoor unit pipe heat insulation Bind the pipes together so that there is no gap 0 Vinyl tape Drain hose C
13. e Wired remote controller temperature sensor Factory setting Setting Description Function Number Setting Value No 00 42 Yes 01 If setting value is 00 Room temperature is controlled by the indoor unit temperature sensor If setting value is 01 Room temperature is controlled 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 A 00 B 44 C D En 9 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 cont
14. erial CAUTION Refer to the installation manual for the outdoor unit for description of allowable pipe length and height difference Diameter 15 88 mm 5 8 in Liquid pipe 6 35 mm 1 4 in 6 35 mm 1 4 in 9 52 mm 3 8 in Model type 30L 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 80 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 indoor unit is powered from the outdoor unit or branch box Do not power indoor unit from separate power source PN WARNIN
15. ersonnel with a capacity certificate for handling 4 SAFETY PRECAUTIONS ttt 1 refrigerant fluids Refer to regulation and laws in use on installation place 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant 2 2 Special tools for RA10A 2 3 For authorized service personnel only 2 4 Accessories 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 2 5 Optional parts 3 GENERAL 3 1 Type of copper pipe and insulation material NN 3 2 Additional materials required for installation 2 Never touch electrical components immediately after the power supply has been turned 4 ELECTRICAEREQUIREMENT 2 etate erento tret eh he Erat ehe bre epe eer end 2
16. h pliers etc Indoor unit drain hose Drain cap N 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 Connection piping Small piping Large piping Top hooks T Y Y m S Rd j T ERE H f Wall hook bracket Indoor unit Bottom hooks Fitting 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 w
17. ibers 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 freely 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 10 mm or more lower 80 mm hole 10 mm or more lower 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 o 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 Inside Wall Outside Fasten with vinyl tape Install the indoor unit on the wall where the height from the floors more than 1800 mm Field supplied
18. ill o BE error appear on the remote controller display See the lamp blinking patterns and error codes in e 8 6 Suction pressure sensor error he table An error display is displayed only during operation High pressure switch error i i Trip detecti Error display Wired e 9 e 4 o gy rip detection OPERATION TIMER ECONOMY remote Description lamp lamp lamp controller Compressor rotor position e 9 e 5 o 95 green orange green Error code detection error permanent stop e e E Serial communication error e 9 7 o 1 Outdoor unit fan motor error Wired remote controller 4 way valve error 1 e 2 o lg d e 9 9 o gg communication error i Discharge temp error e 5 o Check run unfinished 10 1 o H 9 i i ircui Compressor temp error Unit number or Refrigerant circuit e 10 e 3 o H3 2 1 c address setting error Simultaneous Multi High pressure error e 10 e 4 o R4 gh p 2 2 o ee Indoor unit capacity error e 2 Low pressure error e 0 e5 o AS Combination error ec 3 o ei ae e 13 2 o ig ranc oxes error Connection unit number Flexible Multi error indoor secondary unit Display mode e 0 55 ON 0 55 OFF 2 4 Mun 0 18 ON 0 18 OFF Connection unit number error Number of flashing indoor unit or branch unit Flexible Multi 4 Primary unit secondary unit Troubleshooting with the indoor unit display 2 7 e se
19. ing CAUTION f Cut 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 asa 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 5 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 i 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 right piping cut the hole a little lower so that drain water will flow refrigerant leakage Area that can cause combustible gas to leak contains suspended carbon f
20. loth tape Left piping For connection from the left rear Connection cable Drain hose Wall pipe Connection cable O Pipe OO A Connection pipe Drain hose Check the following NO GOOD NO GOOD NO GOOD GOOD heer hose if A NL Saddle m End in water Lifted up Wave 9 FRONT PANEL REMOVAL AND IN 9 1 Intake grill removal gt 2 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 Intake grille Mounting shaft Bearing Knob 4 Front panel ud Front panel Screws 6 position S gt 4 Wall hook bracket
21. me 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 7 Wrench fixed Torque wrench Flare nut Indoor unit pipe Connection pipe Body side Flare nut mm in 6 35 1 4 dia 9 52 3 8 dia 12 70 1 2 dia 15 88 5 8 dia 19 05 3 4 dia 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 Remarks Cable Cable size Type Connection cable 1 5 Type 60245 IEC57 3Cable Earth Ground 19230V Max Cable Length Limit voltage drop to less than 2 Increase cable gauge if voltage drop is 2 or more 7 1 Wiring system diagram Type 60245 IEC57 Cable size 1 5 mm Inter unit Power lines OUTDOOR UNIT INDOOR UNIT or BRANCH BOX TERMINAL Power line e gt gt gt Please connect it to the specified terminal Control line Earthing Grounding line tg gt N CAUTI
22. measure the dimension A Width flat Pipe outside Width across flats durs diameter mm in of Flare nut mm Pa 835 174 7 N 9 52 3 8 22 12 70 1 2 26 nae 15 88 5 8 29 19 05 3 4 36 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 N 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 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 the refrigerant comes into contact with a fla
23. n accordance with national wiring standards by authorized personnel only 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 En 1 ized 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 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 accessories are supplied Use them as required N
24. nd connecting cable Supplied with wired remote controller Important Be sure to solder wires to connect Be sure to insulate the connection between the wires E Connecting cable E 9 7 Remote controller cable Red Remote controller cable 12 3 External input output Wire modification 1 Remove insulation from wire attached to wire kit Option parts connector Remove insulation from field supplied External input cable Use crimp type insulated butt connector to output wire join field cable and wire kit wire 2 Connect the wire and Field supply wire Supplied with external connect kit 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 FUNCTION SETTING Perform the FUNCTION SETTING according to the installation conditions using the remote controller removal 1 Refer to FRONT PANEL REMOVAL AND INSTALLATION to remove the front panel 2 Remove the screw then remove the control box cover A CAUTION 3 Remove the display case and connector Confirm whether the wiring work for Outdoor unit or Branch box has been finished connector control box cover M 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
25. propriate tool so that the wires do not come loose Strip 10 mm Crimp type terminal Sleeve 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 Screw with Screw with special washer special washer Wire Crimp type terminal Crimp type k Wire terminal Terminal blocks 6 See the table for the terminal screw tightening torques Tightening torque N m kgf cm 1 219 1 8 1210 18 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 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 sep
26. ption Standard 400 hours Long interval 1 000 hours Short interval 200 hours No indication Setting Value 00 11 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 Function Number Setting Description Standard Setting Value 00 Slightly lower control gnty 30 Lower control Warmer control 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 Setting Description Function Number Setting Value Standard 00 Lower control 01 Slightly warmer control d 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 to 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 th
27. r error 8 2 Bg e 2 b Sub cool Heat Ex gas outlet temp sensor error Liquid pipe temp sensor error e 8 e 3 o H3 quid pip 10
28. roller 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 conditioner 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 for 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 play the current signal code initially set to 5 3 Press SET TEMP dh W button to change the sig nal code between toh d Match the code on the display to the air conditioner signal code ECONOMY SET SET TEMP SLEEP Y CO 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
29. rvice tools are special See the table below 9 2 Intake grillinstallation 2 1 na ae kasaae TR 6 9 3 Front panel removal 9 4 Front panel installation 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 10 TEST 7 Models that use refrigerant R410A have a different charging port thread diameter to prevent erroneous charging with conventional refrigerant R22 and for safety 11 REMOTE CONTROLLER INSTALLATION na 7 Therefore check beforehand The charging port thread diameter for R410A is 1 2 inch 11 1 Remote controller holder installation eene 7 12 OPTIONAL KIT INSTALLATION s 7 Be inore areful that foreign matter Olly watel ete Hobs not enter the piping tem with refrigerant R22 models Also when storing the piping securely seal the opening by 12 1 Before install optional remote controller pinching taping etc 12 2 Remote controller cable modification 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 where refrigerant composition is stable 12 3 External input output Wire modification 12 4 Front panel control bo
30. serious injury of the user 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 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 N WARNING If refrigerant leaks while work is being carried out ventilate the area If the refrigerant Do not use the existing for R22 piping and flare nuts comes in contact with a flame it produces a toxic gas If the existing materials are used the pressure inside the refrigerant cycle will rise and cause failure injury etc Use the special R410A materials Installation work must be performed i
31. signal code 4 Press the MODE button again to return to the clock display The signal code will be changed 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 Lo p 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 8 e 4 o B4 Current sensor error If you use a wireless remote controller the lamp on the photo detector unit will output er Discharge pressure sensor ror codes by way of blinking patterns If you use a wired remote controller error codes w
32. t up error Simultaneous Multi Indoor unit PCB model 3 2 v 3e information error Manual auto switch error 3 e 5 o 35 Inlet air temp sensor error e 1 uf e 4 e 2 Indoor unit Heat Ex Middle temp OPERATION C gt OPERATION lamp green til TIMER C gt TIMER lamp orange 5 e 1 o 5 I Indoor unit fan motor error ECONOMY 3 ECONOMY lamp green e 5 e 3 o 53 Drain pump error Troubleshooting with the Wired Remote Controller Display Option If an error occurs the following display will be shown Er will appear in Damper error the set room temperature display e 5 e o 1 d play Indoor unit error SU MO TU WE TH FR SA e5 ets o ou mr tt Outdoor unit main PCB model uu c 6 2 information error or Error code communication error Inverter error e o 53 Active filter error PFC circuit b Trip terminal L error e 6 e 5 o B5 Display PCB microcomputers 10 o Discharge temp sensor error e 11 Compressor temp sensor error e o2 p 13 Outdoor unit Heat Ex liquid e e o temp sensor error Outdoor temp sensor error e TY Suction Gas temp sensor error 7 5 1G p 7 6 16 2 way valve temp sensor error 3 way valve temp sensor error Heat sink temp sensor error 7 7 Sub cool Heat Ex gas inlet temp senso
33. 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 Indoor unit drain hose bottom Bottom piping For left outlet piping cut off the piping outlet cutting groove with a hacksaw Remove the drain cap by pull ing at the projection at the end of the cap wit
34. 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 Referto the installation manual enclosed with the remote controller when the wired remote controller option is used display case Entering the Function Setting Mode 12 5 Connecting cable to control board connector While pressing the FAN button and SET TEMP db simultaneously press the RESET 1 Pass the cable from the hole in the back of indoor unit button to enter the function setting mode 2 Connect the cable to the control board connector STEP 1 3 Hook the cable to the rib 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
35. the value Press the FAN button again to return to the function number selection cable of wired remote controller 3 Press the SET TEMP P buttons to select the setting value Press the MODE button to switch between the left and right digits Setting 4 Press the TIMER MODE button and START ne STOP button in the order listed to confirm the settings 5 Press the RESET button to cancel the func tion setting mode A ser SET A 6 After completing the FUNCTION SETTING be E emet external connect wire sure to turn off the power and turn it again 12 6 Front panel control cover display case A CAUTION installation 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 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 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 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 Function Number Setting Descri
36. x cover and display case removal 12 5 Connecting cable to control board connector 12 6 Front panel control box cover and display case installation 8 E 44 CUSTOMER GUDANG E aiat ato nta a rec 9 i 15 ERROR CODES edaleen G R RA i TE 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 1 SAFETY PRECAUTIONS Charge hose To increase pressure resistance the hose material and base Gauge manifold e sure to read this Manual thoroughly before installation size were changed e The warnings and precautions indicated in this Manual contain important informa A conventional vacuum pump can be used by installing a tion pertaining to your safety Be sure to observe them Vacuum pump vacuum pump adapter 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 Gas leakage detector Special gas leakage detector for HFC refrigerant R410A ing the unit IN This mark indicates procedures which if improperly performed Copper pipes WARNING might lead to the death or
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