INSTALLATION MANUAL
Contents
1. 2 Install the outdoor unit wall cap supplied with the optional installation set or procured at the site to the wall hole pipe 3 Connect the outdoor unit and indoor unit piping 4 After matching the center of the flare surface and tight ening the nut hand tight tighten the nut to the specified tightening torque with a torque wrench N CAUTION e Hold the torque wrench at its grip keeping it in the right angle with the pipe in order to tighten the flare nut cor rectly 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 a hazardous gas if the refrigerant comes into contact with a flame Tighten with two wrenches Holding wrench t Torque wrench Parem Indoor unit pipe Body side Connection pipe Flare nut mm in Tightening torque N m kgf cm 6 35 1 4 dia 16 to 18 160 to 180 9 52 3 8 dia 32 to 42 320 to 420 12 70 1 2 dia 49 to 61 490 to 610 15 88 5 8 dia 63 to 75 630 to 750 19 05 3 4 dia 90 to 110 900 to 1 100 En 7 4 4 Installing heat insulation N CAUTION e After checking for gas leaks refer to the Installation Manual of the outdoor unit perform this section e Install heat insulation around both the large gas and small liquid pipes Failure to do so may cause water leaks After checking for gas leak2. Drain hose Wrap the insulation drain hose around the drain hose con nection Drain pan Insulation Drain hose Be sure to arrange the drain hose so that it is leveled lower than the drain hose connecting port of the indoor unit Good X Bad X Bad Arrange the drain Drain hose hose lower than this portion CAUTION e Do not install the unit so that the drain hose side is too high Height A should be less than 5 mm _ Z F 53 na O l X Bad x 2 I SSS X Bad B Under ceiling type Select whether the drain hose will be connected to the left or right side Insert the drain hose into the drain pan then secure the drain hose with a nylon fastener Wrap the insulation drain hose around the drain hose con nection Be sure to arrange the drain hose so that it is leveled lower than the drain hose connecting port of the indoor unit 4 Z Arrange the drain hose lower than this portion O Good When drain hose is arranged backward Secure the drain hose with the VT wire X Bad Zz Base Bottom VT wire VT wire hole I Intake grille Pass the drain hose Cut the grille Drain hose through here 6 ELECTRICAL WIRING e Electrical work must be performed in accordance with this Sheet by a person certified under the national or regional regulations Be sure to use a dedicated circuit for the unit An insufficient power supply circuit or improperly per formed
3. ven tilate the area If the refrigerant comes in contact with a heh enaiarid b flame it produces a toxic gas e ea ea were changed e Installation work must be performed in accordance with Charging hose The charging port thread diameter national wiring standards by authorized personnel only for R410A is 1 2 UNF 20 threads per inch To increase pressure resistance This mark indicates procedures which A conventional vacuum pump can if improperly performed might possibly be used by installing a vacuum result in personal harm to the user or pump adapter damage to property Vacuum pump Be sure that the pump oil does not backflow into the system Use one capable for vacuum suction of 100 7 kPa 5 Torr 755 mmHg N CAUTION Special gas leakage detector for Gas leakage detector R410A refrigerant 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant WARNING e Do not introduce any substance other than the pre scribed refrigerant into the refrigeration cycle If air enters the refrigeration cycle the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture If there is a refrigerant leak make sure that it does not exceed the concentration limit If a refrigerant leak exceeds the concentration limit it can lead to accidents such as oxygen starvation Do not touch refrigerant that has leaked from the refriger ant pipe connections or other area Touching the
4. 32 is displayed there may be an incorrect setting Perform the remote controller setting again Remote controller DIP switch setting Indoor unit Unit number Remote controller setting Unit number Setting value Refrigerant circut address Transmission cable Power supply cable s Power supply cable Remote controller cable Bus wire NOTE When different indoor unit models are connected using the group control system some functions may no longer be avail able If the group control system contains multiple units that are operated simultaneously connect and set the units as shown below Standard Simultaneous Simultaneous pair twin triple Remote controller DIP switch setting Indoor unit Unit number Remote controller setting Refrigerant circuit address setting Function number 02 Unit number Setting value Master Slave setting Function number 51 Unit number Setting value Transmission cable Power supply cable s Power supply cable Remote controller cable Bus wire Make sure that the indoor unit with the unit number 00 is connected to the outdoor unit using a transmission cable En 17 9 4 3 Dual remote controllers e Two separate remote controllers can be used to operate the indoor units e The timer and self diagnosis functions cannot be used on the slave unit of remote co
5. Setting Value 01 7 MOUNT THE COVER PLATE AND THE INTAKE GRILLE 1 Mount the cover plate right 1 Cut a pipe exit hole in the right plate This is only when the pipe exits from the right side This operation is not required when the protrusion is on the top or rear Cover plate Right 2 Join the cover plates right and mount with the screw 04 x 10 2 Mount the cover plate left Join the cover plates left and mount with the screw M4 x 10 Cover plate Left 3 Mount the intake grille 1 Cut the right side of the intake grille This is only when the pipe exits from the right side 2 Insert the hinges on the bottom of the intake grille into the holes in the base assembly Then mount the arms to the three areas on the top of the intake grille En 11 8 2 Installing the remote control unit holder 8 REMOTE CONTROLLER SETTING Refer to the installation manual enclosed with the remote con trol unit when the wired remote control unit option is used CAUTION e Check that the indoor unit correctly receives the signal 8 1 Load batteries RO3 LRO3 x 2 from the remote control unit then install the remote control unit holder 1 Press and slide the battery compartment lid on the reverse e Select the remote control unit holder selection site by side to open it Slide in the direction of the arrow while paying careful attention to the following Avoid places in
6. an appropriate tool so that the wires do not come loose 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 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 N WARNING e Use crimp type terminals and tighten the terminal screws to the specified torques otherwise abnormal overheat ing may be produced and possibly cause heavy damage inside the unit Tightening torque N m kgf cm 1 2 to 1 8 12 to 18 2 0 to 3 0 20 to 30 Screw with Screw with g special washer special washer Wire Crimp type terminal Crimp type AT terminal RE Wire Terminal blocks En 10 6 3 Connection of wiring 1 Remove the four topping screws Electric component box Electric component box RFM ALA of EN AN I T NCAUTION e Do not remove the screws If the stays are removed the electric component box will fall e If you use as Floor console you must remove screws and RFMs 2 positions 2 Pull out the electric component box Remove the Install the clamp clamp e When removing
7. appear on the remote control display If you use a wireless remote control the lamp on the photo detector unit will output error codes by way of blinking patterns See the lamp blinking pat terns and error codes in the table below Troubleshooting Troubleshooting with the indoor display Troubleshooting at the display is possible either on the wired or wireless remote control OPERATION lamp Green TIMER lamp Orange FILTER lamp Red The OPERATION TIMER and FILTER Lamp operate as fol lows table according to the error contents OPERATION TIMER FILTER Error contents Lamp Lamp Lamp x x x 3 times x 4 times x 5 time x 8 time 2 times 2 times i Indoor signal error _ x gt gt Wired remote controller abnormal Indoor room temperature sensor error Indoor heat exchanger tempera ture sensor middle error Indoor heat exchanger tempera ture sensor inlet error Float switch operated Outdoor discharge pipe tempera ture sensor error Outdoor heat exchanger temperature sensor outlet error Outdoor temperature sensor error Heat sink thermistor Inverter error Compressor temperature sensor error way valve temperature sensor error way valve temperature sensor error Outdoor heat exchanger temperature sensor middle error Heat sink thermistor P F C error Indoor manual auto switch abnormal Power supply frequency detection error IPM protection CT error Compressor lo
8. 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 SELECTING THE REMOTE CONTROL UNIT SIGNAL CODE 1 Press the SET TEMP A W button to change the signal code between Fi f Match the code on the display to the air conditioner signal code initially set to Ff If the signal code does not need to be selected press the MODE button and proceed to STEP 2 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 The air conditioner signal code is factory set to A Contact your retailer to change the signal code The remote control unit resets to signal code A when the batteries in the remote control unit 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 H f until you find the code which operates the air conditioner STEP 2 Selecting the Function Number and Setting Value 1 Press the SET TEMP A W buttons to select the func tion 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 aga
9. electrical work can cause serious accidents such as electric shock or fire e Before starting work check that power is not being sup plied to the indoor unit and outdoor unit e Use the included connection cables and power cables or ones specified by the manufacturer Improper connec tions insufficient insulation or exceeding the allowable current can cause electric shock or fire For wiring use the prescribed type of wires connect them securely making sure that there are no external forces of the wires applied to the terminal connections Improperly connected or secured wires can cause seri ous accidents such as overheating the terminals electric shock or fire Do not modify the power cables use extension cables or use any branches in the wiring Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Match the terminal board numbers and connection cable colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts Securely connect the connection cables to the terminal board In addition secure the cables with wiring holders Improper connections either in the wiring or at the ends of the wiring can cause a malfunction electric shock or fire Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric leakage may occur Securely install the electrical box cove
10. normal use Ifthe Remote Control Unit s operating range becomes appreciably Pull out a reduced replace the batteries and press the RESET button with the tip of a ballpoint pen or other small object En 12 9 FUNCTION SETTING 2 e Confirm whether the wiring work for outdoor unit has been finished e Confirm whether the cap for electric control box on the outdoor unit is close e This procedure changes to the function settings used to con trol the indoor unit according to the installation conditions Incorrect settings can cause the indoor unit 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 9 1 Operation method e While pressing the FAN button and SET TEMP 4 simul taneously press the RESET button to enter the function setting mode STEP 1 Selecting the Remote Control Unit Signal Code Use the following steps to select the signal code of the remote control unit 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
11. refriger ant directly can cause frostbite If a refrigerant leak occurs during operation immediately vacate the premises and thoroughly ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas En 2 N WARNING 3 e For installation purposes be sure to use the parts sup plied by the manufacturer or other prescribed parts The use of non prescribed parts can cause serious ac cidents such as the unit falling water leakage electric shock or fire i For fixing the drain hose L 280 mm Adhesive type 70 x 230 e The following installation parts are furnished Use them as required Remote control unit For air conditioner opera e Keep the Installation Manual in a safe place and do not dis 3 tion card any other accessories until the installation work has been completed Name and Shape Battery penli For remote control unit Remote control i Use as remote control unit unit holder holder Screw M3 x 12 For remote control unit Gy holder installation 2 4 Optional parts Installation For positioning the indoor template unit For under ceiling type For suspending the indoor unit from ceiling Wired Unit control is per remote UTB UD formed by wired controller remote controller Wired remote controller is recommended using simultaneous twin or triple connection For suspending the indoor unit on the wall For fixing the wall bracket For
12. the electric component box remove the clamp from the cables e After completing the work fasten the cables as they were originally by installing the clamp 3 Remove the electric component box cover amp Electric component cover box Remove the three tapping screws CAUTION e Be careful not to pinch the lead wires between the electric component box and base 4 After wiring is complete secure the remote controller cable connection cable with the binder Binder accessorry X Remove excess after installing Wired remote controller cable option Transmission cable 5 Install the electrical component box in the original position after securing the cover 6 Install the connection cable with the supplied wire clamper Wire clamper accessory X Remove excess after installing NCAUTION e Do not bundle the remote controller cable or wire the remote controller cable in parallel with the indoor unit connection wire to the outdoor unit and the power sup ply cable It may cause erroneous operation Transmission cable 6 4 Floor console Under ceiling select switch 1 This unit was set for use as a ceiling type at the factory 2 When using the unit as a floor type perform the following settings in FUNCTION SETTING Refer to 9 FUNCTION SETTING Setting the Cooler Room Temperature Correction Setting Value 01 Setting the Heater Room Temperature Correction
13. 0 to 70 Insert the anchor bolts into the drilled holes and drive the pins completely into the anchor bolts with a hammer oY MY gt En 5 B 3 Installing brackets Install the brackets with nuts washers and spring washers Bracket Left Bracket Right Bracket A B 4 Installing indoor unit Reset the hex bolts as shown in the figure Hex bolt Indoor unit 8 to 13 Unit mm Apply the indoor unit to the brackets at Bolt Bracket N Indoor unit Now securely tighten the hex bolts in both sides 3 3 3 Barrier and RFM base removal and installa tion 1 Remove the barriers by removing the 4 fixing screws 2 screws each 2 Remove the RFM base by removing the 2 fixing screws and unhooking the 1 hook 3 After completing the work install the barriers and RFM base as they were originally Fixing screw 2 positions Barriers Fixing screw 2 positions Install the barriers in the correct direction En 6 4 PIPE INSTALLATION N CAUTION e Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant R410A models Also when storing the piping securely seal the openings by pinching taping etc e While welding the pipes be sure to blow dry nitrogen gas through them 4 1 Selecting the pipe material N CAUTION e Use pipes that have clean external and internal sides without any contamination whic
14. AIR CONDITIONER INDOOR UNIT Floor console under ceiling dual type INSTALLATION MANUAL For authorized service personnel only A CAUTION R410A REFRIGERANT This Air Conditioner contains and operates with refrigerant R410A THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to Commonwealth State Territory and local legislation regulations codes installation amp operation manuals before the installation maintenance and or service of this product Contents SAFETY PRECAUTIONS vccacdncceteneneertanedicmndudincnoenndecesine 2 7 MOUNT THE COVER PLATE AND THE INTAKE 2 ABOUT THE UNIT 14 ED Seer eet ee ten ees Sele Or ce ere mE ES Be ere 11 2 1 Precautions for using R410A refrigerant 2 8 REMOTE CONTROLLER SETTING 2 2 Special tool for RE TOA ve siiwrocssnsonsisisiadeaiatecitevnesiaas 2 8 1 Load batteries RO3 LRO3 x 2 eee 12 Bd ACSS SONES inan pinn anana ONNEAAN 3 8 2 Installing the remote control unit holder 12 2 4 Optional parts nccchesactecacancecs cates enteaceeccte eee 3 9 FUNCTION SETTING 3 INSTALLATION WORK 9 1 Operation IMEMIOO scacictsesectetntalcaixeioentinaracuoteieal tates 13 3 1 Selecting an installation location 4 9 2 PURCHOM Seling senscie 13 3 2 Installation dimension asscsenicerccenconzereiectaeteestecntes 4 9 3 Selecting the remote control unit signal code 15 3 3 Installation the Unit ies nermordestenssancorteysenle
15. ATION 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 control button simultaneously for 2 seconds or more to start the test run OC FAN 0 MODE Viz EE 3 in Jo iw NS iN Test run display 3 Press the start stop button to stop the test run 11 CHECK LIST Pay special attention to the check items below when install ing the indoor unit s After installation is complete be sure to check the following check items again CHECK CHECK ITEMS niece Has the indoor unit Vibration noise indoor been installed correctly unit may drop Has there been a check for gas leaks refriger ant pipes Has heat insulation Wier bakade work been completed g Does water drain easily from the indoor units Valer PAKadE Are the wires and pipes all connected com pletely Is the connection cable No operation heat or the specified thickness burn damage Are the inlets and outlets free of any obstacles After installation is com pleted has the proper operation and handling been explained to the user If not performed No cooling No heating No operation heat or burn damage No cooling No heating 12 ERROR CODES If you use a wired type remote control error codes will
16. T STOP button until only the clock is displayed on the remote control unit display 2 Press the MODE button for at least five seconds to display the current signal code initially set to M 3 Press the SET TEMP A W button to change the signal code between H g Match the code on the display to the air conditioner signal code 4 Press the MODE button again to return to the clock dis play The signal code will be changed If no buttons are pressed within 30 seconds after the signal code is displayed the system 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 The remote control unit resets to signal code A when the batteries in the remote control unit 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 Hy q until you find the code which operates the air conditioner Indoor unit setting Remote control unit signal code Disconnect Connect iD Disconnect Disconnect a O O Og Indoor unit Printed circuit board En 15 9 4 Special installation methods This possible only on the wired remote control Option N CAUTION e When setting DIP switches do not touch any other parts
17. are selected drill a 10 cm dia hole on the wall so that the hole is tilted downward toward the outdoor for smooth water flow When the pipe is led out from the rear make a hole as shown in the figure at the position shown Wall a ae Outdoor side Unit mm When installing set to wall install the accessory wall bracket at the position as shown in the figure and mount the set to it 990 500 245 Wall bracket i Side of set 100 Unit mm 655 B Under ceiling type Using the installation template drill holes for piping and anchor bolts for holes Drilling position for anchorbolt Installation template Ceiling Wall Drilling position for piping Unit mm B 1 Drilling for piping Select piping and drain directions N Rear t Install the drain hose SS A in this direction SSS Right A Hole fe VIEW For direction bore the oval hole shown in the above figure CAUTION e Install the drain hose at the rear it should not be installed on the top or right side When the directions are selected drill 80 mm and 50 mm or 150 mm dia hole on the wall so that the hole is tilted down ward toward the outdoor for smooth water flow Wall Indoor side a Outdoor side l oe Unit mm B 2 Drilling holes for anchor bolts and installing the anchor bolts With a concrete drill drill four 12 7 mm dia holes Jf f yi eu 12 7 Unit mm 6
18. ature sensor e If setting value is 01 room temperature is controlled by either indoor unit temperature sensor or remote control unit sensor En 14 Setting Record e Record any changes to the settings in the following table Setting Setting Value Ceiling height Cooler room temperature correction Heater room temperature correction Indoor room temperature sensor switching function After completing the FUNCTION SETTING be sure to turn off the power and turn it on again 9 3 Selecting the remote control unit signal code When two or more air conditioners are installed in a room and the remote control unit is operating an air conditioner other than the one you wish to set change the signal code of the remote control unit to operate only the air conditioner you wish to set four selections possible When two or more air conditioners are installed in a room please contact your retailer to set the individual air conditioner signal codes e Confirm the setting of the remote control unit signal code and the printed circuit board setting If these are not confirmed the remote control unit cannot be used to operate for the air conditioner Selecting the Remote Control Unit Signal Code Use the following steps to select the signal code of the remote control unit Note that the air conditioner cannot receive a signal code if the air conditioner has not been set for the signal code 1 Press the STAR
19. ber Setting Value hours Standard 400 Long interval 01 1 000 11 Short interval 200 Setting the Cooler Room Temperature Correction e Depending on the installed environment the room tempera ture sensor may require a correction The settings may be selected as shown in the table below The setting value is factory set to 00 Setting Description Function Number Setting Value Lower control control When using floor console installation the setting value to 01 Setting the Heater Room Temperature Correction e Depending on the installed environment the room tempera ture sensor may require a correction The settings may be changed as shown in the table below The setting value is factory set to 00 Setting Description Function Number Setting Value Sees 2 e control Seon werner contol warmer control Warmer control control When using floor console installation TE the setting value to 01 Setting Other Functions e The following settings are also possible depending on the operating conditions The setting value is factory set to 00 Auto Restart Setting Description Function Number Setting Value Indoor Room Temperature Sensor Switching Function Wired remote controller only Setting Description Function Number Setting Value o 0O 42 e If setting value is 00 room temperature is controlled by the indoor unit temper
20. cation error Outdoor fan error Connected indoor unit abnormal Outdoor unit computer communi cation error nverter error ndoor fan abnormal Discharge temperature error Excessive high pressure protec tion on cooling 4 way valve abnormal EEE _ n x 2 times 3 times O 2 times 4 times O i 2 times 6 times O 3 times 2 times O 3 times O x x x x 3 times 3 times 3 times 3 times 3 times ee i x ems x Gimes 4 times O x 6tmes O x 4 times 2 times 3 times 5 times 6 times 7 times O amp T 3 times O x 3 times 4 times 4 times 5 time 5 time 5 times 5 times 5 times S gt i i Stimes O x O O O O O O T OJO _ 5 times O 8 times O 5 times 6 times 7 times x 2 or 3 times 2 times 2 times O x O00 O i 7 times O 3 times O O 7 times 4 times O Pressure switch abnormal Pres sure sensor abnormal Compressor temperature error Low pressure error 8 times 2 or 3 times Active filter abnormal 8 times 4 times O P F C circuit error 8 times 6 times O P F C printed circuit board error Q 9 times O 2 times Refrigerant circuit address set up error 9 times 3 times O Master unit Slave unit set up error 9 times 4 times O Connected the ind
21. d 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 hu midity exceeds 80 use heat insulation that is 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition use heat insulation with heat conductivity of 0 045 W m K or less at 20 C 4 3 Flare connection pipe connection 4 3 1 Flaring e 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 and outdoor units respectively onto the pipe and perform the flare processing with a flare tool Leakage of refrigerant may result if other flare nuts are used 4 Protect the pipes by pinching them or with tape to prevent dust dirt or water from entering the pipes Check if L is flared uniformly and is not cracked or scratched Dimension A mm re mm in clutch type ot 0 to 0 5 When using conventional flare tools to flare R410A pipes the dimension A should be approximately 0 5 mm more than indicated in the table for flaring with R410A flare tools to achieve the specified flaring Use a thickness gauge to m
22. eas ure the dimension A Pipe outside Width across flats Width across diameter mm in of Flare nut mm Pipe outside diameter fats easa tT 052 38 a 12 70 1 2 15 88 68 28 19 05 3 4 s 17 22 26 29 36 No7 4 3 2 Bending pipes e The pipes are shaped by your hands or pipe bender Be careful not to collapse them e Do not bend the pipes at 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 Do not bend or stretch the pipes more than three times 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 4 3 3 Pipe connection 1 Centering the pipe against port on the indoor unit turn the flare nut with your hand Be sure that the small pipe is completely installed before connecting the large the pipe N CAUTION e Be sure to apply the pipe against the port on the indoor unit and the outdoor unit correctly If the centering is im proper the flare nut cannot be tightened 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 connecting the connection pipe e Do not use mineral oil on flared part Prevent mineral oil from getting into the system as this would reduce the lifetime of the units
23. erations 2 Air filter removal and cleaning and how to use the air louvers 3 Give the operating and Installation Manuals to the cus tomer 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 control unit are replaced 4 is applicable to using wireless remote control
24. flammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire e Area where animals may urinate on the unit or ammo nia may be generated 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 indoor unit outdoor unit 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 condi tions e If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit e Take precautions to prevent the unit from falling 1 Install the indoor unit on a place having a sufficient strength so that it withstands against the weight of the indoor unit 2 The inlet and outlet ports should not be obstructed the air should be able to blow all over the room 3 Leave the space required to service the air conditioner 4 Install the unit where connection to the outdoor unit is easy 5 Install the unit where the connection pipe can be easily installed 6 Install the unit where the drain pipe can be easily installed 7 Install the unit where noise and vibrations are not ampli fied En 4 8 Take servic
25. g 1 Turn on all of the indoor units When the indoor units are turned on error codes 01 and 31 will be displayed however these error codes will be deleted by setting the remote controller Therefore continue with the setting procedure 2 Set the master and slave settings Set the indoor unit that is not connected to the outdoor unit using a transmission cable as the 01 The setting value is factory set to 00 Function o o 00 Master 54 01 Slave 01 Slave 3 After completing the function settings turn off all of the indoor units and then turn them back on If error code 01 1F 30 31 or 32 is displayed there may be an incorrect setting Perform the remote controller setting again 02 Only triple type Twin type Remote Indoor Indoor controller unit unit 2 master slave DIP switch setting Indoor unit Unit number Remote controller setting Unit number Setting value Master Slave Triple type Remote Indoor Indoor Indoor controller unit unit unit G master slave slave DIP switch setting Indoor unit Unit number Remote controller setting Unit number Setting value Master Slave Transmission cable Power supply cable s Power supply cable Remote controller cable Bus wire 9 4 2 Group control system A number of indoor units can be operated at the same time using a single remote co
26. h may cause trouble during use such as sulfur oxide dust cutting waste oil or water e It is necessary to use seamless copper pipes Material Phosphor deoxidized seamless copper pipes It is desirable that the amount of residual oil is less than 40 mg 10 m e Do not use copper pipes that have a collapsed de formed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants e Improper pipe selection will degrade performance As an air conditioner using R410A incurs pressure higher than when using conventional refrigerant it is necessary to choose adequate materials e Thicknesses of copper pipes used with R410A are as shown in the table e Never use copper pipes thinner than those indicated in the table even if they are available on the market Thicknesses of Annealed Copper Pipes R410A 4 2 Pipe requirement N CAUTION e Refer to the Installation Manual of the outdoor unit for description of the length and the diameter of connecting pipe or for difference of its elevation e Use pipe with water resistant heat insulation N CAUTION e 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 loca tion of the refrigerant piping is expecte
27. hem on hand of R410A refrigerant is approximately 1 6 times higher for future use such as for relocating or repairing the unit than the R22 failure to use dedicated piping material or improper installation can cause rupture or injury This mark indicates procedures which Furthermore it can cause serious accidents such as N WARNING if improperly performed might lead to water leakage electric shock or fire the death or serious injury of the user e Request your dealer or a professional installer to in Tool name Changes stall the indoor unit in accordance with this Installation The pressure in the refrigerant Manual An improperly installed unit can cause serious system is extremely high and can accidents such as water leakage electric shock or fire If not be measured with a conven the indoor unit is installed in disregard of the instructions tional gauge To prevent erroneous in the Installation Manual it will void the manufacturer s mixing of other refrigerants the warranty Gauge manifold diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range of 0 1 to 5 3 MPa and a low pressure dis play range of 0 1 to 3 8 MPa e 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 e If refrigerant leaks while work is being carried out
28. in to return to the function number selection 3 Press the SET TEMP A W buttons to select the set ting value Press the MODE button to switch between the left and right digits 4 Press the TIMER MODE button and START STOP button in the order listed to confirm the settings 5 Press the RESET button to cancel the function setting mode 6 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again Setting value N CAUTION e After turning off the power wait 30 seconds or more before turning on it again The FUNCTION SETTING doesn t become effective if it doesn t do so 9 2 Function setting Setting the Ceiling Height e Select the setting values in the table below according to the height of the ceiling The setting value is factory set to 00 Setting Description m Function Number Setting Value Standard O When using floor console installation don t need to change the setting value 20 High ceiling En 13 Setting the Filter Sign e The indoor unit has a sign to inform the user that it is time to clean the filter e 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 The setting value is factory set to OO e If you do not wish the filter sign to be displayed select the setting value for No indication Setting Description amp nction Num
29. indoor side pipe joint Large pipe Coupler heat 5 For indoor side pipe joint Small Small pipe Binder TA For fixing the drain hose Binder as ee al For electrical wiring 2 Wire clamper For electrical wiring En 3 3 INSTALLATION WORK Especially the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation 3 1 Selecting an installation location Decide the mounting position together with the customer as follows N WARNING e Select installation locations that can properly support the weight of the indoor unit Install the units securely so that they do not topple or fall N CAUTION e Do not install the indoor 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 fall 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 dete riorate plastic parts causing the parts to fall or the unit to leak 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 in
30. ing etc into consideration and leave the spac es Also install the unit where the filter can be removed 9 Do not install the unit where it will be exposed to direct sunlight 3 2 Installation dimension Floor console Left 300 Unit mm 300 Under ceiling Ceiling Ge L4 7 7 150 300 Ceiling 4 a g iz PA 2300 20 4 7 Floor Unit mm 3 3 Installation the unit e Install the air conditioner in a location which can with stand a load of at least five times the weight of the main unit and which will not amplify sound or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries 3 3 1 Preparing indoor unit installation Open the intake grille and remove the three screws Machine screw Tapping screw Tapping screw Intake grille Remark The main unit can be wired before the indoor unit is installed Select the most appropriate installation order 3 3 2 Indoor unit installation A Floor console type Drilling for piping Select piping and drain directions The piping and drain can be made in three directions as shown below Hole VIEW For direction bore the oval hole shown in the above figure The drain hose can be connected to either the left or right side Drain hose Right side Drain hose Left side When the directions
31. ntroller 1 Wiring method indoor unit to remote controller Indoor Indoor Indoor Indoor unit unit 2 unit G unit controller cable Remote controller When ground wire is necessary 2 DIP switch setting Indoor unit Set the unit number of each indoor unit using the DIP switches on the indoor unit circuit board See the follow ing table The DIP switches are normally set to make the unit number 00 indoor unit Unitnumber DIPSWITCHNo ae a a a o o ore ore ore Ort o on on oF oF e a or ore f oN f ore 05 o 06 OFF ON ON OFF itt o7 0N ON ON OFF 08 OFF OFF OFF ON Z o ON OFF OFF ON 10 OF ON OFF ON GSE NOTE Be sure to set the unit numbers sequentially 3 Remote controller setting 1 Turn on all of the indoor units 1 Turn on the indoor unit with the unit number 00 last Within 1 minute 2 When the indoor units are turned on error codes 01 and 31 will be displayed however these error codes will be deleted by setting the remote controller Therefore continue with the setting procedure 2 Set the refrigerant circuit address Assign the same number to all of the indoor units con nected to an outdoor unit The unit is factory set to 00 Function 3 After completing the function settings turn off all of the indoor units and then turn them back on If error code 01 1F 30 31 or
32. ntroller 1 Wiring method indoor unit to remote controller Indoor unit When ground wire _ is necessary Remote controller Remote controller 2 Remote controller DIP switch 1 setting Set the remote controller DIP switch 1 No 2 according to the following table BP sWiNo 2 Master unit __ En 18 10 TEST RUN CHECK ITEMS 1 ls operation of each button on the remote control unit normal 2 Does each lamp light normally 3 Do not air flow direction louvers operate normally 4 Is the drain normal 5 Is there any abnormal noise and vibration during opera tion e Do not operate the air conditioner in the running state for a long time e Test running NNN Am When the air conditioner is run by pressing the remote con trol unit test run button the OPERATION and TIMER Lamps flash slowly at the same 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 press the test run button on the remote control unit while the air conditioner is running Point the transmit ter section of the remote control unit toward the air condi tioner and press the test run button with the tip of a ball point pen etc Transmitter section e To end test operation press the remote control unit START STOP button When the air conditioner is run by press ing the test run button the OPER
33. on Instructions In addition be sure to set as exclusive line and use the rated voltage and circuit breaker 6 2 Wiring method 6 2 1 Connection diagrams Standard pair Transmission cable Outdoor unit Wired remote contoller Indoor unit Power supply cable Remote controller cable e Ground the remote controller if it has a ground wire Wired remote controller is recommended using simultaneous twin or triple connection Simultaneous twin Transmission cable Outdoor unit Indoor unit Master Wired remote contoller Remote controller Ae Power supply cable Bus wire Local purchase e Connect the remote controller wires to master unit e Ground the remote controller if it has a ground wire En 9 Simultaneous triple Transmissition Indoor unit cable Master Outdoor unit Wired remote contoller Remote controller cable Power supply Bus wire cable Local purchase e Connect the remote controller wires to the master unit e Ground the remote controller if it has a ground wire 6 2 2 Connection cable preparation Keep the earth wire longer than the other wires Power supply cable Transmission cable How to connect wiring to the terminals For strand wiring 1 Use crimp type terminals with insulating sleeves as shown in the figure below to connect to the terminal block 2 Securely clamp the crimp type terminals to the wires using
34. on the circuit board directly with your bare hands e Be sure to turn off the main power 9 4 1 Simultaneous multi system operation e By combining with an outdoor unit 2 units for twin and 3 units for triple indoor units can be switched ON OFF simultanne ously e When different indoor unit models are connected some func tions may no longer be available 1 Wiring method e Refer to 6 ELECTRICAL WIRING for wiring procedure and wiring method e The indoor unit is connected the outdoor unit using a trans mission cable is master e Connect the remote controller wire to the master unit Twin type Outdoor unit Remote Indoor Indoor controller unit unit master slave Triple type Outdoor unit Remote Indoor Indoor Indoor controller unit unit unit G master slave slave Transmission cable Power supply cable s Power supply cable lt Remote controller cable Bus wire 2 DIP switch setting Indoor unit Set the unit number of each indoor unit using the DIP switches on the indoor unit circuit board See the follow ing table and figure The DIP switches are normally set to make the unit number 00 Indoor unit Unit number DIP SWITCH No N Example Unit number 02 nO Circuit board in the control box of indoor unit NOTE Be sure to set the unit numbers sequentially En 16 3 Remote controller settin
35. oor number set up error 0 5s ON 0 5s OFF Flash X OFF 7 times O 5 times O 6 times 7 times i i 7 times 7 times i n O O O i ii O O O O O O En 19 Troubleshooting at the remote control LCD This is possible only on the wired remote control Option Self diagnosis This is possible only on the wired remote control Option If an error occurs the following display will be shown EE will appear in the set room temperature display Unit number Error code SU MO JU WE 1 FR SA 27 0 Wired remote controller abnormal o Indoor room temperature sensor error Indoor heat exchanger temperature sensor middle error EN Indoor heat exchanger temperature sensor inlet error 09 O Float switch operated Outdoor discharge pipe temperature sensor error Outdoor heat exchanger temperature sensor outlet error 29 Outdoor heat exchanger temperature sensor middle error En 20 If CO appears in the unit number display there is a remote controller error Unit number Errorcode Content Co 1d Incompatible indoor unit is connected co jt Indoor unit lt remote control ler communication error 13 CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual 1 Starting and stopping method operation switching tem perature adjustment timer air flow switching and other remote control unit op
36. pressing the mark direct sunlight Select a place that will not be affected by 2 Insert batteries the heat from a stove etc Be sure to align the battery polarities correctly 3 Close the battery compartment lid Install the remote control unit with a distance of 7 m l between the remote control unit and the photocell as the ff criteria However when installing the remote control unit O6 check that it operates positively S e Install the remote control unit holder to a wall pillar etc SSG with the tapping screw A CAUTION 1 Mount the holder e Take care to prevent infants from accidentally swallowing i batteries ye e When not using the Remote Control Unit for an extended SA period remove the batteries to avoid possible leakage Seres and damage to the unit 7 LE e If leaking battery fluid comes in contact with your skin S eyes or mouth immediately wash with copious amounts of water and consult your physician 2 Set the remote control unit e Dead batteries should be removed immediately and dis Insert posed of properly either in a battery collection receptacle or to the appropriate authority Press in mp e Do not attempt to recharge dry batteries NOTE e Never mix new and used batteries or batteries of different 3 To remove the remore control unit when use at hand Slide up ff types e Batteries should last about one year under
37. r on the unit An improperly installed electrical box cover can cause serious accidents such as electric shock or fire through exposure to dust or water e Install sleeves into any holes made in the walls for wiring Otherwise a short circuit could result e Install a ground leakage breaker In addition install the ground leakage breaker so that the entire AC main power supply is cut off at the same time Otherwise electric shock or fire could result e Install a ground leakage breaker If a ground leakage breaker is not installed it may cause electric shock or fire e Always connect the ground wire Improper grounding work can cause electric shocks e Install the remote controller cable and bus wire so as not to be direct touched with your hand 6 1 Electrical requirement Power supply cable Earth cable Transmission cable Conductor size Conductor size Max length mm m 0 3 MIN This length shall be the total extended length in the system of the group e Use conformed cable with Type 245 IEC57 Power supply cable or transmission cable e Perform all electrical work according to the standard e Install circuit breakers which have the terminal spacing of more than 3 mm in a place of near the indoor unit and out door unit e Wiring size must comply with the applicable local and na tional code N CAUTION e Be sure to execute the electrical work according to the Laws of each country and the Installati
38. s insulate by wrapping insula tion around the two parts Gas and Liquid of the indoor unit coupling using the coupler heat insulation After installing the coupler heat insulation wrap both ends with vinyl tape so that there is no gap Secure both ends of the heat insulation material using Binder And finally fix connection pipe Liquid to connection pipe Gas by rolling vinyl tape over coupler heat insulation Gas and coupler heat insulation Liquid Indoor unit ZZA g Z LN N No gap N a R nea O Coupler heat N Jas Coupler heat insulator large x ZN NJ DN insulator small a 7 NN Be sure to overlap the insulation No gap Coupler heat insulation CAUTION e There should be no gaps between the insulation and the unit 5 INSTALLING DRAIN HOSE CAUTION e Install the drain hose in accordance with the instruc tions in this Installation Manual and keep the area warm enough to prevent condensation Problems with the pip ing may lead to water leaks e During installation of the drain hose be careful to avoid applying pressure to the drain port of the indoor unit e Do not perform air bleeding En 8 A Floor console type Select whether the drain hose will be connected to the left or right side Insert the drain hose into the drain pan then secure the drain hose with a nylon fastener Drain pan Nylon fastener
39. tensionnce 4 9 4 Special installation methods ccceeeeeeees 16 4 PIPE INSTALLATION 10 TEST RUN ion deceazccasscecedcnccctmenccbiontesedeateteatteetostsnteaeene 18 Aila SSEICIIG ME PIPE MALEMA is iaspuaeniuriansai 6 11 CHECK LIST ceeccccccssssesessssseeessssseesssssessssseesssseeessnseeess 19 4 2 Pipe requirement cccccccccssseeceeeceeeeecseeeeseaes 6 4 3 Flare prOCSSING siisii 7 12 ERROR CODE Doscerimes cira e a ene 19 A installing heat insulation issiiiisesicicceisines 8 13 CUSTOMER GUIDANCE sss nnssnssssnnernnnsrrressrrnsrnnnn 20 5 INSTALLING DRAIN HOSE ii scscsscsccssssnsiccenccssnscacnaventese 8 ELECTRICAL WIRING 6 1 Electrical requirement c cccccseeecseeeeeeeeeeees 9 6 2 VINO MMENOG srccscisancdcacescdacenisnyiendomnarvnneateuincuate 9 6 3 Connection OF WINING iiccccicrectcnaceconimicederecacicasriass 10 6 4 Floor console Under ceiling select switch 11 PART NO 9379125000 e Be sure to read this Manual thoroughly before installation e The warnings and precautions indicated in this Manual con N WARNING tain important information pertaining to your safety Be sure e To install a unit that uses R410A refrigerant use dedicat to observe them ed tools and piping materials that have been manufac e Hand this Manual together with the Operating Manual to tured specifically for R410A use Because the pressure the customer Request the customer to keep t
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