INSTALLATION MANUAL
Contents
1. the order listed to confirm the settings A 5 Press the RESET button to cancel the function set D ting mode 6 After completing the FUNCTION SETTING be sure mone FAN to turn off the power and turn it on again swe own Ge Cow e casso QO aoc asust RESET O En 9 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 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 Setting Description Setting Value Standard 400 hours Long interval 1 000 hours Short interval 200 hours 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 S n Description m Value e Standard OS Slightly lower control Warmer control Heating Room Temperature Correction Depending on the installed environment the room temperature sensor may require a cor recti2. 3 Press the 10 C HEAT button to accept the signal code and IN z proceed to STEP 2 SELECT OF v gt n Fils Q m v Q clock asust RESETO 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 control ler 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 ere gt until you find the code which operates the air conditioner STEP 2 Selecting the Function Number and Setting Value 1 Press the SET TEMP V buttons to select the function number Press the 10 C HEAT button to switch between the left and right digits 2 Press the POWERFUL button to proceed to setting Function Number value Press the POWERFUL button again to return to the function number selection 3 Press the SET TEMP AN V buttons to select the an 12 3 6 Installing front panel setting value Press the 10 C HEAT button to switch ee Refer to 9 2 Front panel installation between the left and right digits Setting A Ang 4 Press the MODE button and START STOP button in Value
3. 6 6 3 Pipe connection N CAUTION e Be sure to Install the pipe against the port on the indoor unit correctly If the center ing is improper the flare nut cannot tighten smoothly If the flare nut is forced to turn the threads will be damaged e Do not remove the flare nut from the indoor unit pipe until immediately before con necting the connection pipe e Hold the torque wrench at its grip keeping it in the right angle with the pipe in order to tighten the flare nut correctly e 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 CAUTION e Connect the piping so that the control box cover can easily be removed for servic ing when necessary e In order to prevent water from leaking into the control box make sure that the pip ing 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 Holding wrench Flare nut Torque wrench Indoor unit pipe Body side Connection pipe dia 15 88 5 8 dia 63 to 75 630 to 750 19 05 3 4 dia 90 to 110 900 to 1 100 7 ELECTRICAL WIRING 7 1 Wiring system diagram N WAR
4. AIR CONDITIONER INSTALLATION MANUAL Wall Mounted Type PART No 9333005003 04 Contents 1 SAFETY PRECAUTIONS ABOUT THE UNIT GENERAL SPECIFICATION ELECTRICAL REQUIREMENT SELECTING THE MOUNTING POSITION INSTALLATION WORK ELECTRICAL WIRING FINISHING FRONT PANEL REMOVAL AND INSTALLATION TEST RUN REMOTE CONTROLLER INSTALLATION OPTIONAL KIT INSTALLATION OPTION INSTALLATION WORK FUNCTION SETTING CUSTOMER GUIDANCE ERROR CODES 1 SAFETY PRECAUTIONS Since the working pressure is 1 6 times higher than that of conventional refrigerant i l R22 models some of the piping and installation and service tools are special See 3 the table below e Be sure to read this Manual thoroughly before installation Especially when replacing a conventional refrigerant R22 model with a new refrigerant e The warnings and precautions indicated in this Manual contain important information R410A model always replace the conventional piping and flare nuts with the R410A piping pertaining to your safety Be sure to observe them and flare nuts 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 repairing the Models that use refrigerant R410A have a different charging port thread diameter to pre unit vent erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehand The charging port thread diameter
5. 3 Insert the flare nut always use the flare nut attached to the indoor unit s and outdoor unit 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 refrigerant may result if other flare nuts are used En 4 4 Protect the pipes by pinching them or with tape to prevent dust dirt or water from entering the pipes Check if L is flared uniformly and is not cracked or scratched Dimension B mm Pipe outside diameter Dimension A mm mm in Flare tool for R410A clutch type 0 t0 0 5 When using conventional flare tools to flare R410A pipes the dimension A should be ap proximately 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 flats mm in nut mm 6351 4 S T X i 15 88 5 8 19 05 3 4 P Ta 17 2 12 70 1 2 6 9 36 a 6 6 2 Bending pipes e f pipes are shaped by hand be careful not to collapse them e Do not bend the pipes in an angle more than 90 e When pipes are repeatedly bend or stretched the material will harden making it difficult to bend or stretch them any more e Do not bend or stretch the pipes more than 3 times N CAUTION e To prevent breaking of the pipe avoid sharp bends e If the pipe is bent repeatedly at the same place it will break
6. Increase cable gauge if voltage drop is 2 or more 5 SELECTING THE MOUNTING POSITION Decide the mounting position with the customer as follows 5 1 Indoor unit 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 is easy 6 Install the unit where the drain pipe can be easily installed 7 Take servicing etc into consideration and leave the spaces shown in 6 1 Installation dimensions Also install the unit where the filter can be removed Correct initial installation location is important because it is difficult to move unit after it is installed N WARNING Select installation locations that can properly support the weight of the indoor Install the units securely so that they do not topple or fall CAUTION Do not install the unit in the following areas e Area with high salt content such as at the seaside It will deteriorate metal parts causing the parts to fail or the unit to leak water e Area filled with mineral oil or containing a large amount of splashed oil or steam such as a kitchen It will deteriorate plastic parts causing the parts to fail or the unit to leak
7. error Current sensor error e Discharge pressure sensor error 8 6 e Suction pressure sensor error e High pressure switch error Trip detection Compressor rotor position Outdoor unit fan motor error 4 way valve error peo em o gg T Discharge temp error Compressor temp error High pressure error Low pressure error 13 2 Branch boxes error 13 2 Flexible Multi Display mode 0 5s ON 0 5s OFF 0 1s ON 0 1s OFF Number of flashing Troubleshooting with the indoor unit display BOF OPERATION indicator green TIMER indicator orange ECONOMY indicator 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 SU MO TU WE TH FR SA rm mt tf Libs R Error code En 11
8. 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 a saddle 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 Pipe Wall Field supplied Overlap the insulation Connection pipe heat insulation Indoor unit pipe heat insulation Bind the pipes together Vinyl tape so that there is no gap Seal A is used when the diameter of gas pipe
9. stop mode Indoor unit fan control for energy saving Enable or disable indoor unit fan control when the outdoor unit is Factory setting Function E Description Value If setting value is 00 When the outdoor unit is stopped the indoor unit fan operates following the setting on the remote controller continuously If setting value is 01 When the outdoor unit is stopped the indoor unit fan operates at very low speed intermit tently Setting record Record any changes to the settings in the following table a coomaroantnsoaurecoreen fT e e ee Indoor room temperature sensor switching function Indoor unit fan control for energy saving nn After completing the FUNCTION SETTING be sure to turn off the power and turn it on again 15 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 16 ERROR CODES If you use a wireless remote controller the lamp on the photo detector unit will output error codes by way of blinking patterns If you use a wired remote controller error codes will ap pear on the remote control display See the lamp blinking patterns and error codes in the tabl
10. terminal block 2 Securely clamp the crimp type terminals to the wires using an appropriate tool so that the wires do not come loose Crimp type Strip 10 mm 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 special washer j Screw with special washer terminal ee Terminal blocks Wire See the table below for the terminal screw tightening torques Tightening torque N m kgf cm N CAUTION e Match the terminal block numbers and connection cable colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts e Connect the connection cables firmly to the terminal block Imperfect installation may cause a fire e Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric discharge may occur e Always connect the ground wire e Do not use the earth screw of the indoor unit for the connection other than a specified outdoor unit 1 Insulate between pipes e Insulate suction and discharge pipes separately e For rear right and bottom
11. the control box towards you remove in the right direction e Do not remove the thermistor e Do not damage the terminals on the removed wires See the figure below Thermistor Control box Terminals Control box 13 3 3 Installing communication box 1 Install the communication box on the main unit and secure it with the provided screw at the location shown below View A Detail view Motor cover i 2 Use the hole on the motor cover and secure the wire from the communication box with the provided binder See the figure below Cut away the tip of the binder Hole Binder En 8 13 3 4 Installing control box 1 Set the control box toward the bottom so that it touches the motor cover from the right Insert the protruding part of the main unit on the fixture 1 location into the control box Control box e The installation method of the control box is different for each destination country See figure below When installing reuse the screw that was removed in 13 3 2 Removing control box 2 Secure the control box with a screw Use a long screw 3 Fasten the earth wires of the heat exchanger together as shown in the left figure above Use a short screw here 4 Hitch the wires onto the fixtures as shown in the oval circles below Then connect the connectors in the squares to the terminals respectively Each terminal should form a pair with a connector N CAUTIO
12. LATION OPTION This air conditioner can be connected with the following optional kits e Wired remote controller e Simple remote controller e External connect kit BEFORE INSTALL WIRED REMOTE CONTROLLER e When you use wired remote controller some functions may not be used CAUTION e Before installing be sure to disconnect all power supply e Don t touch the heat exchanger e 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 e Avoid place in direct sunlight e Select place that will not be affected by the heat from a stove etc e Before setting up the optional kit please confirm whether air conditioner can receive the signal e Do not connect the wired remote controller to the terminal for power supply e When connecting the wired remote controller with the indoor unit use the connecting cable supplied with wired remote controller or simple remote controller e Recommended cable length of wired remote controller is 10 m Make sure to do insulate of connecting part when extended the cable Do not connect power supply with the terminal a TKI INDOOR UNIT 4 PCB ex TERMINAL 13 INSTALLATION WORK 13 1 Remote controller cord modification 1 Use a tool to cut off the terminal on the end of the remote controller cord and then remov
13. N e Ensure that the connector is properly inserted Otherwise it may result in erroneous operation e Be careful not to damage the parts on the board Otherwise it will cause malfunction 4 em See A m Sf UOTA ZSA l A E N x X i Be gt a 5 yA 4 5 Fasten the earth wire green in the communication box together with the earth wire green on the board of the control box as shown below and in the bottommost figure of the previous page 14 FUNCTION SETTING Perform the FUNCTION SETTING according to the installation conditions using the remote controller CAUTION e Confirm whether the wiring work for Outdoor unit has been finished e Confirm that the cover for the electrical enclosure on the outdoor unit is in place e 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 e After the power is turned on perform the FUNCTION SETTING according to the installation conditions using the remote controller e The settings may be selected between the following two Function Number or Setting Value e Settings will not be changed if invalid numbers or setting values are selected e Refer to the installation manual enclosed with the remote control unit when the wired remote control unit option is used Entering the Function Setting Mode While pressin
14. NING e Every wire must be connected firmly e No wire should be allowed to touch refrigerant tubing the compressor or any mov ing part e 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 e Connect wires to the matching numbers of terminals Type 60245 IEC57 INDOOR UNIT Inter unit TERMINAL OUTDOOR UNIT Power line Control line Please connect it to the specified terminal Grounding line 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 Cable clamp Wire cover j Screw ae 2 E _ Screw Cable clamp Wire cover Screw ae crew ay Insert the wire cover tab into the square hole Connection cable of the 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 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
15. and drain cap securely Drain should slope down to avoid water leakage e When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage e After removing drain hose be sure not to forget mounting drain cap e Be sure to fix the drain hose with tape to the bottom of piping e Prevent drain water freezing under low temperature environment When installing indoor unit s drain hose outdoors necessary measure for frost protection should be taken to prevent drain water freezing Under low temperature environment when outdoor temperature under 0 C after cooling 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 Installation method of Drain cap Use a hexagonal wrench 4 mm at opposite side to insert the drain cap till the drain cap contacts the tip of drain cock cock Drain cap Hexagonal wrench a Right piping Bind with vinyl tape Refrigerant pipes top Rear piping Indoor unit drain hose bottom Bottom piping En 3 For left outlet piping cut off the piping outlet cutting g
16. annot be measured with a conven tional R22 gauge To prevent erroneous mixing of other This mark indicates procedures which if improperly Gauge manifold refrigerants the diameter of each port has been changed It is recommended the gauge with seals 0 1 to 5 3 MPa N CAUTION performed might possibly result in personal harm to the user 1 to 53 bar for high pressure or damage to property 0 1 to 3 8 MPa 1 to 38 bar for low pressure e Read carefully all security information before use or install the air conditioner Ch h To increase pressure resistance the hose material and base e Do not attempt to install the air conditioner or a part of the air conditioner by yourself eee size were changed e This unit must be installed by qualified personnel with a capacity certificate for han i i A conventional vacuum pump can be used by installing a dling refrigerant fluids Refer to regulation and laws in use on installation place Vacuum pump i l vacuum pump adapter e The installation must be carried out in compliance with regulations in force in the l place of installation and the installation instructions of the manufacturer Gas leakage detector Special gas leakage detector for HFC refrigerant R410A e This unit is part of a set constituting an air conditioner It must not be installed alone or with non authorized by the manufacturer e Always use a separate power supply line protected by a c
17. e An error display is displayed only during operation Error display Wired OPERATION TIMER ECONOMY remote Description lamp lamp lamp controller green orange green Error code Wired remote controller 1 bb o Ji Check run unfinished Unit number or Refrigerant circuit 2 1 address setting error Simultaneous Multi 2 2 po ge Indoor unit capacity error e Connection unit number error indoor slave unit Simultaneous Multi 2 4 e Connection unit number error indoor unit or branch unit Flexible Multi Master unit slave unit set up 2 7 oo Jal error Simultaneous Multi Indoor unit PCB model Manual auto switch error Room temp sensor error Indoor unit Heat Ex Middle temp sensor error Indoor unit fan motor error Drain pump error Damper error 5 7 Intake grille error Indoor unit error Outdoor unit main PCB model 6 2 information error or communication error Inverter error Active filter error PFC circuit er ror Trip terminal L error Display PCB microcomputers communication error Discharge temp sensor error Compressor temp sensor error Outdoor unit Heat Ex liquid Outdoor temp sensor error Suction Gas temp sensor error 7 6 e 2 way valve temp sensor error e 3 way valve temp sensor error Heat sink temp sensor error e Sub cool Heat Ex gas inlet temp sensor error 8 2 e18 e2 e Sub cool Heat Ex gas outlet temp sensor error Liquid pipe temp sensor
18. e size thickness mm mm 7 942 9 52 0 8 6 35 0 8 Z N CAUTION e Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks e Use heat insulation with heat resistance above 120 C Reverse cycle model only e 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 e If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation e In addition use heat insulation with heat conductivity of 0 045 W mek or less 20 C 3 2 Additional materials required for installation Refrigeration armored tape Insulated staples or clamps for connecting wire See your local electrical codes Putty Refrigeration lubricant Clamps or saddles to secure refrigerant piping moov 4 ELECTRICAL REQUIREMENT The indoor unit is powered from the outdoor unit Do not power indoor unit from separate power source N WARNING Refer to local codes for acceptable cable type Cable Cablesize Remarks _ _ Connection cable Type 60245 IEC 57 3 cable Ground 1 5 230 V 1 5 mm Max Cable Length Limit voltage drop to less than 2
19. e the insulation from the cut end of the cord 2 Connect the remote controller cord and connecting cord supplied with wired remote controller Important Be sure to insulate the connection between the cords Connecting cord E X White Red White Ea Remote Red Insulated controller cord Remote 7 Seas controller cord Black 13 2 Installing wired remote controller terminal external connect kit terminal sold separately 1 Remove the screw on the control box as shown on the top right of the figure below 2 Release both bottom clasps at the sides in the direction of the arrow as circled in the bottom left of the figure below Pull and remove the cover 3 Connect the wired remote controller terminal external connect kit terminal sold separately to the specified terminal on the board as shown below Please connect to the connector with necessary function according to the actual usage 4 After connecting each terminal thread the cables through the notch as circled on the bottom right of the figure below 3 Error Status output connector CNBO2 Black 3 Operation status output connector 3 Wired remote controller connector CNCO1 White 3 Control input Operation i CNBO1 White Stop or Forced stop i connector CNA01 White f e q a 4 Symbol indicating the location printed on the board 5 Install the control box cover as shown below A
20. er part of the front panel and insert top and bottom hooks 3 top sides 2 center Top hooks 3 position Top holes 6 position Pa VSS Front panel Qes Latchs 2 position ee Center hooks Indoor unit 2 position Attach the 6 screws Attach the wire cover 4 Attach the 3 caps Attach the intake grille 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 10 TEST RUN Check items 1 Is operation of each button on the remote control unit normal Does each lamp light normally Do air flow direction louvers operate normally 4 Is the drain normal Do not have an abnormal 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 manual e The outdoor unit may not operate depending on the room temperature In this case 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 cooling test run Then heating test run will begin in about three minutes when HEAT is selected by the remote control operation Please follow the operating manual for remote control operation e To end test operation press the re
21. erating manual 2 4 Accessories The following installation accessories are supplied Use them as required Name and Shape Q ty Operating Manual Name and Shape Cloth tape Installation Manual This manual It is used when the diameter of gas pipe is 12 70 or more It is necessary when using AS14 Tapping screw M4 x 25 mm Tapping screw M3 x 12 mm Remote controller holder i e The following items are necessary to install this air conditioner The items are not includ ed with the air conditioner and must be purchased separately Name Qty Name _ fQ Connection pipe assembly Wall cap 1 i 1 onp Decorative tape Tapping screws 2 5 Optional parts Refer to each installation manual for the method of installing optional parts Model No Application Wired Remote Controller UTY RVN M Wired Remote Controller UTY RNNOKM 7 i S i S F F Optional communication kit is necessary for the installation 3 GENERAL SPECIFICATION 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 accessory parts listed are with the system before beginning En 2 Refer to the installation manual for the outdoor unit for description of allowable pipe length and height difference Capacity of indoor unit Gas pipe size thickness Liquid pip
22. for R410A is 1 2 inch Ses So eS N r _ _ amp r _ _ amp _ N Q n e PY SS A This mark indicates procedures which if improperly per m TT 2 TEREF TET E th WARNING formed might lead to the death or serious injury of the user e ee en ere a we sal n P Kip 5 refrigerant R22 models Also when storing the piping securely seal the opening by Request your dealer or a professional installer to install the indoor unit in accordance pinching taping etc y with this Installation Manual An improperly installed unit can cause serious accidents When charging the refrigerant take into account the slight change in the composition of such as water leakage electric shock or fire If the indoor unit is installed in disregard the gas and liquid phases And always charge from the liquid phase where refrigerant of the instructions in the Installation Manual it will void the manufacturer s warranty composition is stable e Do not turn ON the power until all work has been completed Turning ON the power LLI before the work is completed can cause serious accidents such as electric shock or fire e If refrigerant leaks while work is being carried out ventilate the area If the refrigerant 2 2 Special tools for R410A comes in contact with a flame it produces a toxic gas e Installation work must be performed in accordance with national wiring standards by Pressure is high and c
23. g the POWERFUL button and SET TEMP simultaneously press the RESET button to enter the function setting mode 6 Install the cover of the control box onto the inner side of the rib as shown below STEP 1 N CAUTION Selecting the Remote Controller Signal Code e Do not cut or tuck the wires with the electrical component box cover Use the following steps to select the signal code of the remote control An electric shock may occur if the wires are damaged ler 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 applicable only to the signals in the FUNCTION SETTING For details on how to set the signal codes through the normal process refer to Remote control ler signal code 7 Tighten with screws to prevent the cover of the control box from falling off When installing reuse the screws that was removed in 13 3 2 Removing control box 10cHEAT TEMP POWERFUL 1 Press SET TEMP AN V button to change the signal code between yt gt Match the code on the display to the air conditioner signal code initially set to Et If the signal code does not need to be selected press the 10 C HEAT button and proceed to STEP 2 MODE ECONOMY 2 Press the MODE button and check that the indoor unit can receive signals at the displayed signal code OUTDOOR UNIT LOW NOISE TIMER
24. height from the floors more than 1800 mm 6 INSTALLATION WORK 6 1 Installation dimensions Wall hook bracket 63 mm or over 130 mm or over 70 mm or over Remote 0 L Remote controller holder controller K8 P Tapping screw small 6 2 Indoor unit piping direction The piping can be connected in the 6 directions indicated in the following When the piping is connected in direction or cut along the piping groove in the side of the front cover with a hacksaw Left outlet Right outlet Rear outlet G entea outlet Bottom outlet Left bottom outlet 6 3 Cutting the hole in the wall for the connecting piping Cuta 65 mm diameter hole in the wall at the position shown in the following Cut the hole so that the outside end is lower 5 to 10 mm than the inside end 3 Always align the center of the wall hole If misaligned water leakage will occur Cut the wall pipe to match the wall thickness stick it into the wall cap fasten the cap with vinyl tape and stick the pipe through the hole 5 For left piping and right piping cut the hole a little lower so that drain water will flow freely Wall hook bracket Center mark Center mark 65 mm dia hole Fasten with vinyl tape 5 to 10 mm low Wall cap Outside Inside Wall Field supplied N WARNING If the wall pipe is not used the cable interconnecting the indoor unit s and
25. ing 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 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 En 1 2 3 For authorized service personnel only 3 1 Type of copper pipe and insulation material Z N WARNING e For the air conditioner to operate satisfactorily install it as outlined in this installation manual e Connect the indoor unit and outdoor unit 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 e Installation work must be performed in accordance with national wiring standards by authorized personnel only e 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 e Be careful not to scratch the air conditioner when handling it e After installation explain correct operation to the customer using the op
26. ircuit breaker operating on l all wires with a distance between contact of 3mm for this unit It is necessary to use seamless copper pipes and it is desirable that the amount of residual 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 Copper pipes e The unit must be correctly grounded and the supply line must be equipped with a differential breaker in order to protect the persons e The units are not explosion proof and therefore should not be installed in explosive atmosphere e Never touch electrical components immediately after the power supply has been turned off Electric shock may occur After turning off the power always wait 5 min utes before touching electrical components e This unit contains no user serviceable parts Always consult authorized service WARNING personnel to repairs e When moving consult authorized service personnel for disconnection and installation Do not use the existing for R22 piping and flare nuts of the unit If the existing materials are used the pressure inside the refrigerant cycle will rise and cause failure injury etc Use the special R410A materials 2 ABOUT THE UNIT When install
27. is 012 70 or more Butt connection pipe heat insulation against the indoor unit pipe heat insulation and wrap with seal A so that there is no gap Left piping For connection from the left rear Connection cable Wall pipe Connection cable Pipe Dranhose Drain hose Connection pipe Check the following PROHIBITED GOOD Drain hose Saddle Lifted up Wave End in water En 5 9 FRONT PANEL REMOVAL AND INSTALLATION Intake grill installation While holding the grille horizontal set the left and right mounting shafts into the pillow blocks at the top of the panel Bone To latch each shaft properly insert the shaft until it snaps Press 4 places on the intake grille to close it completely Intake grill removal Open the intake grille While gently pressing the left and right mounting i shafts of the intake mi grille outward a a remove the intake grille in direction of the arrow b 9 1 Front panel removal Remove intake grille Reference the intake grille removal Remove 3 caps Remove wire cover Remove 6 screws 1 2 3 _ es SA Screws Wire cover W Wire cover SS EV Te position Caps 3 position 5 The front panel is pulled to the front raising the upper surface and a front panel is removed Front panel 9 2 Front panel installation 1 First fit the low
28. k bracket Installing the indoor unit e Hang the indoor unit from the hooks at the top of the wall hook bracket e 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 Connection pipe 6 35 mm dia of J cs i lee TARD n a m e a co I gt Bend R70 mm with Align the marks a pipe bender Connection pipe 9 52 or 12 7 mm dia Indoor unit Wall hook bracket Top hooks g 0 00 0 000 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 CAUTION Tighten the flare nuts with a torque wrench using the specified tightening method Oth erwise 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
29. lign the cover with the upper and lower right corners as indicated by the triangular symbols on the figure Insert the clasps on the cover into both sides at the bottom of the two dotted circles e When installing the control box cover make sure that the cables are not caught as shown in the detail view 6 Install one screw 7 Screw the earth wire of wired remote controller as shown in the figure AUSTRALIA model only Detail view 6 13 3 Installing communication box 13 3 1 Removing intake grille Refer to 9 1 Front panel removal 13 3 2 Removing control box 1 Remove the screws x4 Use the same screws when installing 2 Pull the control box cover towards you and remove 1 1 1 1 3 Remove the connectors x4 e Remove and pull off the lock at the side of the connector insertion part N CAUTION e Be careful not to damage the parts on the board Otherwise it will cause malfunction pj ol gt Connector number CN 5 njee o Connector number CN 4 V pe Connector number CN 3 S Connector number CN 7 Symbol indicating the location printed on the board 4 Remove the wires from the three fixtures See the figure below e Leave the thick green wire in fixture C and remove the rest of the wires CAUTION e Do not pull the wires forcibly You may damage them Before After gt Fixture A Fixture C En 7 5 While pulling
30. mote 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 For the operation method refer to the operating manual 1 Stop the air conditioner operation 2 Press the master control button and the fan control button simultaneously for 2 seconds or more to start the test run OR FAN xot MODE La La J 1 Tr amp N N A I wx Test run display 3 Press the start stop button to stop the test run 11 REMOTE CONTROLLER INSTALLATION CAUTION e Check that the indoor unit correctly receives the signal from the remote controller then install the remote controller holder e 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 e Install the remote controller a maximum distance of 7m from the remote control re ceiver However when installing the remote controller check that it operates correctly e Install the remote controller holder to a wall pillar etc with the tapping screw remote controller mounting remote controller holder fixing Set Push Tapping screw small Remote controller 12 OPTIONAL KIT INSTAL
31. on The settings may be changed as shown in the table below Factory setting Function er Description m Value e Standard O Lower control Slightly warmer control Warmer control Auto Restart Enable or disable automatic system restart after a power outage Factory setting Function Description m Value 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 the Wired remote controller temperature sensor Factory setting Function en Description Setting Value If setting value is OO 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 con troller unit sensor En 10 Remote controller signal code Change the indoor unit Signal Code depending on the remote Factory setting Function Setting Description Setting Value re re __ 4 External input control Operation Stop mode or Forced stop mode can be elected 4 Factory setting Mr Function Setting Description Setting Value Operation Stop mode O wo Setting forbidden Forced
32. outdoor unit may touch metal and cause electric discharge 6 4 Installing the wall hook bracket e Remove the wall hook bracket from the indoor unit Remove 2 screws 1 Install the wall hook bracket so that it is correctly positioned horizontally and vertically If the wall hook bracket is titled 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 5 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 Wall hook bracket e SA S V U U E gt U o Us p lt D o o o o o o o cS o o o o o o o o Ov o SAO Tapping screw N CAUTION Install the wall hook bracket both horizontally and vertically aligned Misaligned installa tion may cause water leakage 6 5 Forming the drain hose and pipe Rear piping Right piping Bottom piping e Install the indoor unit piping in the direction of the wall hole and bind the drain hose and pipe together with vinyl tape e Install the piping so that the drain hose is at the bottom e 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 N CAUTION e Insert drain hose
33. roove with a hacksaw Drain cap Remove the drain cap by pull ing at the projection at the end of the cap with pliers etc Indoor unit drain hose Removal method of drain hose Remove the screw at the left of drain hose and pull out drain hose Installation method of drain hose Vertically insert the drain hose toward the inside so that the drain fixture white can ac curately align with the screw hole around the drain cock After inserting and before replacing please reinstall and fix the removed screws Screw Drain hose L Screw hole Drain fixture G Screw C2 Drain hose Drain fixture e Please hold around the joint of the drain hose during working e As the screw is inside be sure to use screwdriver treated with magnet e For left piping and left rear piping align the marks on the wall hook bracket and shape the connection pipe e Bend the connection piping at a bend radius of 70 mm or more and install no more than 35 mm from the wall e 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 hoo
34. water e Area that generates substances that adversely affect the equipment such as sulfuric gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage e Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline e If gas leaks and settles around the unit it can cause a fire e Area where animals may urinate on the unit or ammonia may be generated e Do not use the unit for special purposes such as storing food raising animals grow ing plants or preserving precision devices or art objects e It can degrade the quality of the preserved or stored objects e Do not install where there is the danger of combustible gas leakage e Do not install the unit near a source of heat steam or flammable gas e Install the unit where drainage does not cause any trouble e Install the indoor unit outdoor unit power supply cable transmission cable and re mote 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 e Even if they are installed more than 1 m apart you could still receive noise under some signal conditions e If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit e Install the indoor unit on the wall where the
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