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INSTALLATION MANUAL

1. Connection cable Junction box B it Dri Local purchase Connection diagrams Indoor unit Primary Gorin p Outdoor unit GO Q GO v Standard pair E O 7 Connection cable 1 C 1 l 2 2 Indoor unit Earth Ground line Outdoor unit 3 gt 3 d zi O AL C9 Powerline OS Iesu a Earth Ground line y 1 Secondary Control line 2 2 ze Power line 3 O 3 P 1 Control line gt Wired remote controller cable 3 Wired remote Indoor unit x controller L va Q ax Wired remote controller cable Wired remote Red R Indoor unit Primary controller gt White W Y RL 3 Black B l A Red R X B l White W Indoor unit Remote controller cable 3 1 Black B Earth Ground the remote controller if it has a ear
2. L g 5 Gc Wired remote controller cable Wired remote A E Indoor unit Pinan controller E BER a 1 E Q 2 20 2 2 2 Nd Ox Ta A Red R 3 SE gs E EE White Control line Ze 2 ERE Black W Power line 5 Control line 3 __ ac B Indoor unit gt O Power line Indoor unit al _ amp amp Secondary Remote controller cable 11i 116 E 2 26 eS Bus wire 3 3 e 1 L Local purchase Z 2 EN Wired remote controller cable MN Wired remote 3 Indoor unit controller Indoor unit LA 1l G9 Q Secondary o a gt White W 3 y Black B 1 Remote controller cable REESE 2 Earth Ground the remote controller if it has a earth ground line i 3 Earth Ground the remote controller if it has a earth ground line e Connect the remote controller wires to the primary unit Wired remote controller is recommended using simultaneous twin or triple connection En 7 8 Remove the electric component box cover Tighten the indoor unit connection cable and power supply indoor and outdoor unit branch box terminal board connections firmly with the terminal board screws Faulty connection may cause a fire If the indoor unit connection cable and power supply are wired incorrectly the air condi tioner may be damaged Connect the indoor unit connection cable by matching the numbers of the outdoor bran
3. GROUND Indoor unit Outdoor unit side terminal side terminal Earth Ground line 2 CABLE PREPARATION When stripping off the coating of a lead wire always use a special tool such as a wire stripper If there is no special tool available carefully strip the coating with a knife etc Keep the earth ground wire longer than the other wires Connection cable and power cable Earth Ground wire How to connect wiring to the terminal Caution when wiring cable 1 Use crimp type terminals with insulating sleeves as shown in the figure to connect to the terminal block 2 Securely clamp the crimp type terminals to the wires using an appropriate tool so that the wires do not come loose 3 Use the specified wires connect them securely and fasten them so that there is no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged and prevent the screws from being properly tightened 5 Do not tighten the terminal screws too much otherwise the screws may break 6 See the table below for the terminal screw tightening torques Strip 10mm un o Screw with special washer Crimp type terminal Sleeve Screw with special washer Crimp type terminal r Wire Crimp type terminal k gea Terminal blocks Wire Tightening torque N m kgf cm 1 2 to 1 8 12 to 18 3 OUTDOOR
4. En 1 CAUTION Read carefully all security information before use or install the air conditioner Do not attempt to install the air conditioner or a part of the air conditioner by yourself This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids Refer to regulation and laws in use on installation place The installation must be carried out in compliance with regulations in force in the place of installation and the installation instructions of the manufacturer This unit is part of a set constituting an air conditioner It must not be installed alone or with non authorized by the manufacturer The unit must be correctly earthed grounded and the supply line must be equipped with a differential breaker in order to protect the persons The units are not explosion proof and therefore should not be installed in explosive atmosphere This unit contains no user serviceable parts Always consult authorized service personnel to repairs When moving consult authorized service personnel for disconnection and installation of the unit Children should be monitored to ensure they do not play with the device This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for
5. let it sit for about five minutes and then check for any decrease in pressure Increase the pressure up to 1 5 MPa 15 kgf cm let it sit for about five minutes and then check for any decrease in pressure 3 Increase the pressure up to the specified pressure the pressure designed for the product and then make a note of it b Let it sit at the specified pressure and if there is no decrease in pressure then it is satisfactory If a pressure decrease is confirmed there is a leak so it is necessary to specify the leak location and make minor adjustments Discharge the nitrogen gas and starting removing the gas with a vacuum pump Open the valve of the gauge manifold fully Operate the vacuum pump and start pump down Check that the compound pressure gauge reads 0 1 MPa 76 cmHg operate the vacuum pump for at least 1 hour 10 At the end of pump down close the valve of the gauge manifold fully and stop the vacuum pump 11 Disconnect the charge hose from the 3 way valve charging port 12 Remove the blank caps and fully open the spindles of the 2 way and 3 way valves with a hexagon wrench torque 6 to 7 N m 60 to 70 kgf cm 13 Tighten the blank caps and charging port cap of the 2 way valve and 3 way valve to the specified torque Gauge manifold Compound pressure gauge Pressure gauge 0 1 MPa 3 way valve 2 Way valve 76 cmHg xA El a N Flare nut 1 bar b a al i y Sed E ia Low
6. 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 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 Do not install the indoor unit in the following areas 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 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 fall or the unit to leak water Area that generates substances that adversely affect the equipment such as sulfu ric gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire Area where animals may urinate on the unit or ammonia may be generated Do not install where there is the danger of combustible gas leakage Do not install the unit near a sourc
7. The settings may be selected between the following two Function Number or Setting Value Settings will not be changed if invalid numbers or setting values are selected Refer to the installation manual enclosed with the remote controller when the wired remote controller option is used 9 1 Operation method e While pressing the FAN button and SET TEMP 44 simultaneously press the RESET button to enter the function setting mode STEP 1 Selecting the Remote Controller Signal Code Use the following steps to select the signal code of the remote controller Note that the air conditioner cannot receive a signal code if the air conditioner has not been set for the signal code The signal codes that are set through this process are 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 controller signal code 1 Press SET TEMP A WF button to change the signal code between HH gt 9 Match the code on he ae to the ali conditioner signal code initially set to H 1 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 ADJUST RUN SE proceed to STEP 2 The air conditioner signal code is factory set to A Contact y
8. Forced stop mode Setting record e Record any changes to the settings in the following table Setting Sting CE EE mcam nuda 5 Pug J am MO s MO CET AAA After completing the FUNCTION SETTING be sure to turn off the power and turn it on again 9 3 Selecting the remote controller signal code When two or more air conditioners are installed in a room and the remote controller is operating an air conditioner other than the one you wish to set change the signal code of the remote controller to operate only the air conditioner you wish to set four selections possible When two or more air conditioners are installed in a room please contact your retailer to set the individual air conditioner signal codes Confirm the setting of the remote controller signal code and the printed circuit board setting If these are not confirmed the remote controller cannot be used to operate for the air conditioner Selecting the Remote Controller Signal Code Use the following steps to select the signal code of the remote controller Note that the air conditioner cannot receive a signal code if the air conditioner has not been set for the signal code 1 Press the START STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least 5 seconds to display the current signal code initially set to H 3 Press SET TEMP aA WP button t
9. an incorrect setting Perform the remote controller setting again Twin type 18 22 24 type only Out door unit Remote Indoor controller unit primary R C address DIP switch setting Primary Secondary setting Function number 51 Triple type 18type only Out door unit Remote Indoor Indoor Indoor controller unit primary R C address DIP switch setting Primary Secondary setting Function number 51 Transmission cable Power supply cable Power supply cable Remote controller cable 4 Bus wire 9 4 2 Group control system Group control cannot be used when using it by the flexible multi type A number of indoor units can be operated at the same time using a single remote controller 1 Wiring method indoor unit to remote controller Indoor Indoor Indoor Indoor unit unit 2 unit 3 unit 4 controller cable Remote controller When ground wire is necessary 2 Set the R C address DIP switch setting Set the R C address of each indoor unit using the DIP switches on the indoor unit circuit board See the following table and figure The DIP switches are normally set to make the R C address 00 Indoor unit BC address R AC address address a SWITCH No NOTE R C address DIP switch setting Transmission cable Power supply cable Power supply cable Remote controller cable Bu
10. following installation parts are furnished Use them as required Keep the Installation Manual in a safe place and do not discard any other accessories until the installation work has been completed Cover plate left Bracket left For suspending the indoor unit from ceiling Special nut For suspending the indoor unit from ceiling Screw M4 x 20 mm For fixing the wall bracket For indoor side pipe joint Small pipe Cable tie Small For electrical wiring Remote controller For air conditioner operation Remote controller holder 2 4 Optional parts Installation Manual This manual Cover plate right Installation template fe Positioning for under ceiling type Bracket right For suspending the indoor unit from ceiling Wall bracket For suspending the indoor unit on the wall For indoor side pipe jo pipe Cable tie Large For fixing the drain hose Wire clamper site E For electrical wiring Hose band For installing drain hose VT wire For fixing the drain hose L For remote controller Battery Screw M3 x 12 mm For remote controller holder installation Wired remote controller UTY RNN M n CODHOHS psniormead by wired remote controller For air conditioner opera Simple Remote Controller UTY RSN M fon UTY XWZX For control input output port Wired remote controller is recommended using simultaneous twin or triple connection 3
11. insulation with heat resistance above 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is L expected to exceed 70 install heat insulation around the refrigerant piping If the expected humidity level is 70 80 use heat insulation that is 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation 3 3 3 Barrier and RFM base removal and installation In addition use heat insulation with heat conductivity of 0 045 W m K or less at 20 C 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 4 3 Flare connection pipe connection A IL ama Now securely tighten the hex bolts in both sides 4 3 1 Flaring Use special pipe cutter and flare tool exclusive for R410A 1 Cut the connection pipe to the necessary length with a pipe cutter 2 Hold the pipe downward so that cuttings will not enter the pipe and remove any burrs 3 Insert the flare nut always use the flare nut attached to the indoor and outdoor units respectively onto the pipe and perform the flare processing with a flare to
12. leads to rupture and even injury En 6
13. pressure pressure side valve side valve a a SS closed ES Et Blank cap hose Charge hose lt gt CH Vacuum pump ASA Tightening torque 6 35 mm 1 4 in 20 to 25 N m 200 to 250 kgf cm Blank cap p Charging port Charging port cap 9 52 mm 3 8 in 20 to 25 N m 200 to 250 kgf cm 12 70 mm 1 2 in 28 to 32 N m 280 to 320 kgf cm 15 88 mm 5 8 in 30 to 35 N m 300 to 350 kgf cm 35 to 40 N m 350 to 400 kgf cm 19 05 mm 3 4 in Charging port cap 12 5 to 16 N m 125 to 160 kgf cm 5 5 Test run 1 Make a TEST RUN in accordance with installation instruction sheet for the indoor unit CHECK ITEMS INDOOR UNIT 1 Is operation of each button on the remote control unit normal 2 Does each lamp light normally 3 Do the air flow direction louver operate normally 4 Is the drain normal 5 Is there any abnormal noise and vibration during operation OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation 2 Will noise wind or drain water from the unit disturb the neighbors 8 Is there any gas leakage Do not operate the air conditioner in the test running state for a long time For the operation method refer to the operating manual and perform operation check 6 PUMP DOWN 6 1 Pump down PUMP DOWN OPERATION FORCED COOLING OPERATION To avoid discharging refrigerant into the atmosphere at the time of relocation or disposal recover refrigerant by
14. sure to insulate the connection between the wires En 13 HR BRE PED y ll E External input terminal CN102 13 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 controller unit operations 2 Air filter removal and cleaning and how to use the air louvers 8 Give the operating and Installation Manuals to the customer 4 If the signal code is changed explain to the customer how it changed the system returns to signal code A when the batteries in the remote controller unit are replaced 4 is applicable to using wireless remote controller 14 ERROR CODES If you use a wired type remote controller error codes will appear on the remote controller display If you use a wireless remote controller the lamp on the photo detector unit will output error codes by way of blinking patterns See the lamp blinking patterns and error codes in the table below Error display Wired OPERATION TIMER ECONOMY remote Description lamp lamp lamp controller green orange green Error code Serial communication error 1 1 Wired remote controller commu e e nication error Check run unfinished 1 5 R C address or Refrigerant e 2 1 circuit address setting error eae dal Connection R C address error i
15. their safety Children should be supervised to ensure that they do not play with the appliance Do not touch the aluminum fins of heat exchanger built in the indoor or outdoor unit to avoid personal injury when you install or maintain the unit Do not place any other electrical products or household belongings under indoor unit or outdoor unit Dripping condensation from the unit might get them wet and may cause damage or malfunction of your property 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant The basic installation work procedures are the same as conventional refrigerant R22 models However pay careful attention to the following points Since the working pressure is 1 6 times higher than that of conventional refrigerant R22 models some of the piping and installation and service tools are special See the table below Especially when replacing a conventional refrigerant R22 model with a new refrigerant R410A model always replace the conventional piping and flare nuts with the R410A piping and flare nuts Models that use refrigerant R410A have a different charging port thread diameter to pre vent erroneous charging with conventional refrigerant R22 and for safety Therefore check beforehand The charging port thread diameter for R410A is 1 2 inch Be more careful that foreign matter oil water etc does not enter the piping than with refrigerant R22 models Also when storing the piping sec
16. AIR CONDITIONER INDOOR UNIT Floor Ceiling Type INSTALLATION MANUAL INSTALLATION MANUAL For authorized service personnel only INSTALLATIONSANLEITUNG Nur f r autorisiertes Personal MANUEL D INSTALLATION Pour le personnel agr uniquement MANUAL DE INSTALACI N Solo para personal autorizado MANUALE D INSTALLAZIONE Ad uso esclusivo del personale autorizzato ET XEIPIAIO ETKATA2TA2H2 ia ECOUDIOSOTNUEVO TTPOCWTTIK C PBIC MANUAL DE INSTALACAO Apenas para t cnicos autorizados PYKOBOJICTBO TIO YCTAHOBKE Dna ynonHoMoueHHoro nepcoHana MONTAJ KILAVUZU Yetkili servis personeli icindir rmm mam gt i mur mm m E PART NO 9374318445 05 INSTALLATION MANUAL PART NO 9374318445 05 INDOOR UNIT Floor Ceiling Type Contents 1 SAFETY PRECAUHO NOS passe 1 2 ABOUT Iit 1 2 1 Precautions for using R410A refrigerant 1 2 2 Special tool for R410A aoe oats ots 1 2 3 CCS SS ONS eee dae cece NR RO RR OD ORAR OR RODO e CR RR RR EEE 1 2 4 Optional SIE OT TET EROS 2 3 INSTALLATION WORK stas pS 2 3 1 Selecting an installation TOG ile TTE TI TT 2 PPP 2 SRS INStallation the IM ESSENT 3 A PIPE INSTALLATION Laia ii E E R 4 4 1 Selecting the pipe material es ec ee eee cere eerste ees Serena eee orate rote 4 4 2 Pipe requirement eeesssessssssssssseseeeeeeeee eene nnnnnnnnnn tnnt nnn n nn
17. Right 150 A 300 Ceiling P an j A 2300 de Pa 4 Floor Unit mm 3 3 Installation the unit Install the air conditioner in a location which can withstand a load of at least five times the weight of the main unit and which will not amplify sound or vibration If the installa tion 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 3 screws Machine screw Tapping screw Tapping screw de 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 type Drilling for piping Select piping and drain directions The piping and drain can be made in three directions as shown below Ho Cw Right noe XY t Bottom Install the drain hos in this direction VIEW D For direction T Bottom 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 When the directions are selected drill a 100 mm 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 100 oo j Indoor side Outdoor side Unit mm En 3 When installing set to wall
18. T Power supply cable 5 cm or over Bolt Fix securely with bolts on a solid block Use 4 sets of commercially Block available M10 bolt nut and washer LA e Do not directly install it on the ground otherwise it will cause failure Mem y 32 cm Outdoor unit bottom Drain hose When the outdoor temperature is O C or less do not use the accessory drain pipe and drain cap If the drain pipe and drain cap are used the drain water in the pipe may freeze in extreme cold weather Reverse cycle model only In the area with heavy snowfall if the intake and outlet of outdoor units blocked with snow it might become difficult to get warm and it is likely to cause of the breakdown Please construct a canopy and a pedestal or place the unit on a high stand local configured 5 INSTALLATION 9 1 Outdoor unit installation Connector cover removal e Remove the tapping screw Installing the connector cover 1 After inserting the four hooks then slide the cover 2 Tighten the tapping screw Tapping screw Front hooks Rear hooks Connector cover Install the unit where it will not be tilted by more than 5 When installing the outdoor unit where it may exposed to strong wind fasten it securely 5 2 Outdoor unit wiring 1 CONNECTION DIAGRAMS Power supply EARTH GROUND Control line Power line
19. UNIT 1 Remove the outdoor unit connector cover 2 Bend the end of the cable as shown in the figure 3 Connect the end of the connection cable fully into the terminal block 4 Fasten the sheath with a cable clamp 5 Install the connector cover Control box Cable clamp VIS O Connection cable Earth Ground HI screw wes t Nie Earth Ground screw Connection cable Power supply cable Pad Y Cable clamp Connection cable wiring Run the connection cable to the rear of the outdoor unit within the A range of the arrows shown in the figure The connector cover becomes difficult to install 10 cm 5cm Connection cable Before starting work check that power is not being supplied to the indoor unit and outdoor unit Match the terminal block numbers and connection cable colors with those of the indoor unit Erroneous wiring may cause burning of the electric parts Connect the connection cable firmly to the terminal block Imperfect installation may cause a fire Always fasten the outside covering of the connection cable with the cord clamp If the insulator is chafed electric leakage may occur Securely earth ground the power cable Do not use the earth ground screw for an external connector Only use for intercon nection between two units En 4 5 3 Connecting the piping BENDING PIPES 1 When bending the pipe be careful
20. ch box and indoor units terminal board numbers as shown in terminal label Earth both the indoor and outdoor branch box units by attaching a earth cable Unit shall be grounded in compliance with the applicable local and national cables AN CAUTION Be sure to refer to the above diagram for do correct field wiring Wrong wiring causes mal function of the unit Check local electrical rules and also any specific wiring instructions or limitation 4 After wiring is complete secure the remote controller cable connection cable with the cable tie 6 2 Connection cable preparation 3 Keep the earth wire longer than the other wires Be careful not to pinch the lead wires between the electric component box and base Cable tie accessory x Remove excess after installing Wired remote con troller cable option Power supply cable or connection cable y y ZA LIE DG tf Transmission cable SN 3 e Use a 4 core wire 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 6 3 Connection of wiring 1 Remove the 4 topping screws Earth wire Wire clamper accessory di X Remove excess after Transmission cable installing b i N CAUTION Do not bundle the remote controller cable or wire the remote controller cable in paral lel with the indoor unit connection wir
21. doing the cooling operation or forced cooling operation according to the following procedure When the cooling operation cannot start in winter and so on start the forced cooling operation 1 Do the air purging of the charge hose by connecting the charging hose of gauge mani fold to the charging port of 3 way valve and opening the low pressure valve slightly 2 Close the valve stem of 2 way valve completely 3 Start the cooling operation or following forced cooling operation Keep on pressing the MANUAL AUTO button of the indoor unit for more than 10 seconds The operation in dicator lamp and timer indicator lamp will begin to flash simultaneously during test run The forced cooling operation cannot start if the MANUAL AUTO button is not kept on pressing for more than 10 seconds 4 Close the valve stem of 3 way valve when the reading on the compound pressure gage becomes 0 05 0 Mpa 0 5 0 kg cm 5 Stop the operation Press the START STOP button of the remote control unit to stop the operation Press the MANUAL AUTO button when stopping the operation from indoor unit side It is not necessary to press on keeping for more than 10 seconds During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that
22. dures which if improperly performed A CAUTION might possibly result in personal harm to the user or damage to property Never touch electrical components immediately after the power supply has been turned off Electrical shock may occur After turning off the power always wait 10 minutes or more before touching electrical components Request your dealer or a professional installer to install the outdoor unit in accordance with this installation manual an improperly installed unit can cause serious accidents such as water leakage electric shock or fire If the outdoor unit is installed in disregard of the instructions in the installation manual it will void the manufacturer s warranty Do not turn ON the power until all work has been completed Turning ON the power before the work is completed can cause serious accidents such as electric shock or fire If refrigerant leaks while work is being carried out ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas Installation work must be performed in accordance with national wiring standards by authorized personnel only Do not use this equipment with air or any other unspecified refrigerant in the refrigerant lines Excess pressure can cause a rupture During installation make sure that the refrigerant pipe is attached firmly before you run the compressor Do not operate the compressor under the condition of refrigerant piping not attached
23. e It may cause failure smoke or fire if small ani mals enter and touch internal electrical parts Area where animals may urinate on the unit or ammonia may be generated 1 If possible do not install the unit where it will be exposed to direct sunlight If necessary Install a blind that does not interfere with the air flow 2 Do not install the unit where a strong wind blows or where it is very dusty 3 Do not install the unit where people pass 4 Take you neighbors into consideration so that they are not disturbed by air blowing into their windows or by noise b Provide the space shown in figure so that the air flow is not blocked Also for ef ficient operation leave open three of the four directions front rear and both sides 6 Install the unit where keep away more than 3m from the antenna of TV set and Radio 7 Outdoor unit should be set to a place where both drainage and itself will not be af fected when heating When there are obstacles at the back side 4 AF lt S S e O e When there are obstacles at the back and front sides When there are obstacles at the back side s and top En 3 2 O o E S O If the space is larger than that is stated the condition will be the same as that there are no obstacles e When there are obstacles at the back side with the installation of more than one unit oo 4 INSTALLATION DIAGRAM INDOOR UNIT OUTDOOR UNI
24. e to the outdoor unit and the power supply Electric component box ATTE MEE cable It may cause erroneous operation 6 4 Floor ceiling select switch 1 This unit was set for use as a ceiling type at the factory A b 2 When using the unit as a floor type perform the following settings in FUNCTION SET TING Refer to 9 FUNCTION SETTING Setting the Cooler Room Temperature Correction Setting Value 01 Setting the Heater Room Temperature Correction N CAUTION Setting Value 01 Do not remove the screws If the stays are removed the electric component box will fall 7 MOUNT THE COVER PLATE AND THE INTAKE GRILLE 2 Pull out the electric component box 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 LS lhl If you use as Floor console you must remove screws and RFMs 2 positions Cover plate Right n v Wires Clamp w oq Remove the Install the clamp clamp When removing the electric component box remove the clamp from the cables After completing the work fasten the cables as they were originally by installing the clamp En 8 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 g
25. e indoor unit Refer to the following table for the proper diameters of the connection pipes between the indoor and outdoor units 3 p Liquid pipe size Capacity of indoor unit thickness mm 26 35 0 8 N CAUTION Operation cannot be guaranteed if the correct combination of pipes valves etc is not used to connect the indoor and outdoor units Gas pipe size thickness mm 015 88 1 0 2 9 Heat insulation around connection pipes requirements Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation with heat resistance above 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant piping If the expected humidity level is 70 80 use heat insulation that is 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition use heat insulation with heat conductivity of 0 045 W m K or less at 20 Connect the connection pipes according to 5 3 Connecting the piping in this installation manual En 2 3 SELECTING THE MOUNTING POSITION With considering written conditions below select an appropriate installing location in consultatio
26. e 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 setting value for No indication 4 Factory setting Setting description Setting value Standard 400 hours Domo aie coma M interval 1 000 hours Short interval 200 hours interval 200 hours 11 e noidan 2 Ceiling height Select the setting values in the table below according to the height of the ceiling 4 Factory setting Setting description Function number Setting value Standard 00 SOES 2 High ceiling When using floor console installation don t need to change the setting value 3 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 4 Factory setting Setting description value Ea Slightly lower control control o 3 control Warmercontrol control When using floor console installation change the setting value to 01 4 Heating room temperature correction Depending on the installed environment the room temperature sensor may require a cor rection The settings may be changed as shown in the table below 4 Factory setting Se
27. e of heat steam or flammable gas Install the indoor unit outdoor unit power supply cable transmission cable and remote controller 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 If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit 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 8 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 amplified 8 Take servicing etc into consideration and leave the spaces 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 A Floor type Left Unit mm 300 En 2 B Ceiling type Ceiling o Left Ai Indoor unt 7277
28. eak checks are performed using either vacuum or nitrogen gas so select the proper one depending on the situation En 5 Checking gas leaks with vacuum 1 Check if the piping connections are secure 2 Remove the cap of 3 way valve and connect the gauge manifold charge hoses to the charging port of the 3 way valve 3 Open the valve of the gauge manifold fully 4 Operate the vacuum pump and start pump down 5 Check that the compound pressure gauge reads 0 1 MPa 76 cmHg operate the vacuum pump for at least 1 hour 6 At the end of pump down close the valve of the gauge manifold fully and stop the vacuum pump It checks that leave as it is for about 10 minutes and a needle does not return 7 Disconnect the charge hose from the 3 way valve charging port 8 Remove the blank caps and fully open the spindles of the 2 way and 3 way valves with a hexagon wrench torque 6 to 7 N m 60 to 70 kgf cm 9 Tighten the blank caps and charging port cap of the 2 way valve and 3 way valve to the specified torque Checking gas leaks with nitrogen gas 1 Check if the piping connections are secure 2 Remove the cap of 3 way valve and connect the gauge manifold charge hoses to the charging port of the 3 way valve 3 Pressurize with nitrogen gas using the 3 way valve charging port 4 Do not pressurize up to the specified pressure all at once but do so gradually Increase the pressure up to 0 5 MPa 5 kgf cm
29. en drain hose is arranged backward Secure the drain hose with the VT wire Base Bottom VT wire VT wire hole 1 Intake grille Pass the drain hose Drain hose through here Cut the grille 6 ELECTRICAL WIRING Connection cable N WARNING Electrical work must be performed in accordance with this Manual by a person certified under the national or regional regulations Be sure to use a dedicated circuit for the unit An insufficient power supply circuit or improperly performed electrical work can cause serious accidents such as electric shock or fire Before starting work check that power is not being supplied to the indoor unit and outdoor unit Use the included transmission cables and power cables or ones specified by the manufacturer Improper connections 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 Improp erly connected or secured wires can cause serious 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 wir ing Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Match the terminal block numbers and connection cable colors with those
30. erator oil Torque wrench Indoor unit pipe Connection pipe Table 1 Flare nut size and tightening torque Flare nut mm in Tightening torque Nem 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 19 05 3 4 dia 63 to 75 630 to 750 90 to 110 900 to 1100 Table 2 Pipe outside diameter Pipe outside diameter Dimension A mm mm in Flare tool for R410A clutch type 35 1 4 0 to 0 5 19 05 3 4 Fasten a flare nut with a torque wrench as instructed in this manual If fastened too tight the flare nut may be broken after a long period of time and cause a leakage of refrigerant During installation make sure that the refrigerant pipe is attached firmly before you run the compressor Do not operate the compressor under the condition of refrigerant piping not attached properly with 2 way or 3 way valve open This may cause abnormal pres sure in the refrigeration cycle that leads to breakage and even injury 5 4 Air purge Always use a vacuum pump to purge the air Refrigerant for purging the air is not charged in the outdoor unit at the factory Close the high pressure side valve of the gauge manifold fully and do not operate it during the following work Refrigerant must not be discharged into atmosphere After connecting the piping check the joints for gas leakage with gas leak detector Gas l
31. hesive agent to glue the drain piping PVC pipe VP25 which is prepared on site or piping socket Apply color adhesive agent evenly until the gauge line and seal 3 Check the drainage 4 Install the heat insulation 5 Use the attached heat insulation to insulate the drain port and band parts of the body Top view Drain pan 10 15 mm Ensure there is no space Drain hose Hose Band Accessories Accessories Soft PVC side Side view Applying area of adhesive Joint pipe Field supply Drain pipe VP25 Field supply Hard PVC side 4 mm or less Wrap the Drain hose insulation around the drain hose connection Top view Drain pan Drain hose insulation 100mm Accessories Drain hose Hose opening view Wind the attached heat insulation around the hose band Make sure the alignment is on top A Floor type Be sure to arrange the drain hose so that it is leveled lower than the drain hose connect ing port of the indoor unit Good No good No good Arrange the drain hose lower than this portion Drain Lift up hose SNNNNNNNNN N CAUTION Do not install the unit so that the drain hose side is too high Height A should be less than 5 mm No good Drain hose B Ceiling type Be sure to arrange the drain hose so that it is leveled lower than the drain hose connect ing port of the indoor unit Good No good Lift up Arrange the drain hose lower than this portion Wh
32. i 2 2 o e o o Co Display mode 0 5s ON 0 5s OFF O 0 1s ON 0 1s OFF Number of flashing Troubleshooting Troubleshooting with the indoor display Troubleshooting at the display is possible either on the wired or wireless remote controller OPERATION Lamp green TIMER Lamp orange ECONOMY Lamp green Troubleshooting at the remote controller LCD This is possible only on the wired remote controller Self diagnosis If an error occurs the following display will be shown Er will appear in the set room temperature display R C address Error code SU MO TJ WE TH FR SA 44 HERE EX Self diagnosis En 14 AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL fl LLL II f Tet UM f I Jj II I LLL Y oO mm O RM INSTALLATION MANUAL For authorized service personnel only INSTALLATIONSANLEITUNG Nur f r autorisiertes Personal MANUEL D INSTALLATION Pour le personnel agr uniquement MANUAL DE INSTALACI N Solo para personal autorizado MANUALE D INSTALLAZIONE Ad uso esclusivo del personale autorizzato ET XEIPIAIO ETKATA2TA2H2 ia ESOUCIODOTNH VO TTPOCWTIIK O DiG MANUAL DE INSTALA O Apenas para t cnicos autorizados PYKOBOJACTBO TIO YCTAHOBKE Dna ynonHoMoueHHoro nepcoHana KURULUM KILAVUZU Yetkili servis personeli icindir DEE num Eu
33. install the accessory wall bracket at the position as shown in the figure and mount the set to it 500 24 Wall bracket f Side of set 655 B Ceiling type Using the installation template drill holes for piping and suspension bolts for holes 900 Drilling position for suspension bolt Installation template Ceiling Wall Drilling position for piping Unit mm B 1 Drilling for piping Select piping and drain directions Rear af Install the drain hose in this direction O VIEW q For direction Rear bore the oval hole shown in the above figure NCAUTION 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 downward toward the outdoor for smooth water flow Wall Indoor side Outdoor side Unit mm B 2 Drilling the holes and attaching the suspension bolts Drill 625 mm holes at the suspension bolt locations then install the bolts Bolt Strength 980 to 1470 N 100 to 150 kgf Ceiling panel If using anchor bolts Drill holes for anchor bolts at the locations at which you will set the suspension bolts Note that anchor bolts are M10 bolts to be obtained locally Anchor Bolt Strength 980 to 1470 N 100 to 150 kgf l t M10 Anchor bolt Field supply B 3 Installing Brackets Do not use c
34. instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance 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 minutes before touching electrical components This unit contains no user serviceable parts Always consult authorized service person nel to repairs When moving consult authorized service personnel for disconnection and installation of the unit Do not introduce any substance other than the prescribed refrigerant into the refrigera tion 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 refrigerant pipe connections or other area Touching the refrigerant directly can cause frostbite If a refrigerant leak occurs during operation immediately vacate the premises and thor oughly ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas 2 2 Special tool for R410A N WARNING To install a unit that uses R410A refrigerant use dedicated to
35. n n nnn nnn nin rrn nnns 4 4 3 Flare connection pipe CONNSCUON lesiona ie 4 4 4 Installing heat insulation si 5500500050 epe En ant acean ta LEREM iad 5 5 INSTALLING DRAIN HOSE 2255050 seh 005 isa ern Rae nn iPhoto in nnt etapas 5 6 ELECTRICAL WIRING sectaria EEES 6 6 1 Wiring System diagram tica tia 7 6 2 Connection cable preparation e E 637 Connection Ot WINO eee tee eae ro 7 64 Miaivegis iisE eE er NETTO eee 8 7 MOUNT THE COVER PLATE AND THE INTAKE GRILLE ccccccccccnnncnananananonononinonicinann 8 B REMOTE CONTROLLER SET TINQL aieo esae Soo too rotae roa pea dnbio ini 8 8 1 Load batteries ROG LAOS x 2 users 8 8 2 Installing the remote controller holder seeeseeseseeeseeseeees 9 9 PUNCTON SETTING esses dei Sape M MI 9 9 1 Operation method Momo 9 9 2 Function Seting EE E n a ED ODE 10 9 3 Selecting the remote controller signal code 10 9 4 Special installation methods sacos a esto matas pune sene maet arat rit teta aee e ben e ee etsi eppee k2oe 11 10 TES FR N M OO 12 11 CHECK LIST E E Q 13 12 OPTIONAL KIT INSTALLATION OPTION s 0020 0500507005505055 00000000065BiNobi asda consnDbisSaaSd 13 12 1 Wired remote controller Simple remote controller 13 12 2 External input and external OUT OU cac oes toot otia rut ote sn asas danasasaEta
36. n on the remote controller while the air condi tioner is running Point the transmitter section of the remote controller toward the air conditioner and press the TEST RUN button with the tip of a ballpoint pen etc To end test operation press the remote controller START STOP button When the air conditioner is running by pressing the TEST RUN button the OPERATION Lamp and TIMER Lamp will simultane ously flash slowly 1 2 3 4 5 Transmitter section TEST RUN button En 12 Using the wired remote controller Option For the operation method refer to the operating manual SO FAN 00 MODE 1 Stop the air conditioner operation 2 Press the MODE button and the FAN button simultane La La ously for 2 seconds or more to start the test run 3 Press the START STOP button to stop the test run ell AE Ui am Ps Ww FAR RES Test run display If CO appears in the R C address display there is a remote controller error Refer to the installation manual included with the remote controller R C address Content O E Incompatible indoor unit is connected Indoor unit lt gt remote controller com munication error 11 CHECK LIST Pay special attention to the check items below when installing the indoor unit s After installation is complete be sure to check the following check items again CHECK ITEMS If not performed correctly CHECK BOX Has the indoor unit been installed Vib
37. n with the customer Securely install the outdoor unit at a location that can withstand the weight of the unit Otherwise the outdoor unit may fall and cause injury Be sure to install the outdoor unit as prescribed so that it can withstand earthquakes or strong winds Improper installation can cause the unit to topple or fall or other accidents Do not install the outdoor unit in the following areas Area with high salt content such as at the seaside It will deteriorate metal parts causing the parts to fail or the unit to leak water Area filled with mineral oil or containing a large amount of splashed oil or steam It will deteriorate plastic parts causing the parts to fail or the unit to leak water Area that generates substances that adversely affect the equipment such as sulfuric gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to corrode which can cause refrigerant leakage Area containing equipment that generates electromagnetic interference It will cause the control system to malfunction preventing the unit from operating normally Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire Area that has heat sources vapors or the risk of the leakage of flammable gas in the vicinity Area where small animals may liv
38. ndoor secondary unit Simultaneous Multi Connection R C address error indoor unit or branch unit Flexible Multi Primary unit secondary unit set up error Simultaneous Multi Power supply interruption error Indoor unit PCB model informa tion error Room temp sensor error e 4 1 i 5 Indoor unit Heat Ex Middle e 4 e 2 temp sensor error Indoor unit fan motor error O 5 1 Drain pump error EXCIEXE ee Y Indoor unit error 15 H External output terminal CN103 Outdoor unit main PCB model information error or communica tion error IER men Active filter error PFC circuit error Trip terminal L error Display PCB microcomputers communication error 2 Discharge temp sensor error Compressor temp sensor error Outdoor unit Heat Ex liquid temp sensor error Outdoor temp sensor error Suction Gas temp sensor error 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 e Sub cool Heat Ex gas outlet temp sensor error Liquid pipe temp sensor error EEN Current sensor error Discharge pressure sensor error Suction pressure sensor error High pressure switch error Trip detection Compressor rotor position detec tion error permanent stop Outdoor unit fan motor1 error Outdoor unit fan motor 2 error 4 way valve error Coil expansion valve error 2 Flexible Mult
39. nit using a transmission cable as the primary EG Function Number Setting Value Value After completing the function settings turn off all of the indoor units and then turn them back on If error code 21 22 24 or 27 is displayed there may be an incorrect setting Perform the remote controller setting again a NOTE When different indoor unit models are connected using the group control system some functions may no longer be available e f the group control system contains multiple units that are operated simultaneously con nect and set the units as shown below Auto changeover operates under the same mode with model R C address 00 t should not be connected to any other Gr that is not of the same series A G only 10 TEST RUN CHECK ITEMS Is operation of each button on the remote controller normal Does each lamp light normally Do not air flow direction louvers operate normally Is the drain normal Is there any error noise and vibration during operation Do not operate the air conditioner in the running state for a long time Test running When the air conditioner is run by pressing the remote controller test run button the OPERATION and TIMER Lamps flash slowly at the same time Operation method For the operation method refer to the operating manual The outdoor unit may not operate depending on the room temperature In this case press the TEST RUN butto
40. not to crush it 2 To prevent breaking of the pipe avoid sharp Check if L is flared uniformly and bends is not cracked or scratched Bend the pipe with a radius of curvature of 150 mm or over 3 If the copper pipe is bend the pipe or pulled to often it will become stiff Do not bend the pipes more than three times at one place L FLARING 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 the burrs 3 Insert the flare nut onto the pipe and flare the pipe with a flaring tool Insert the flare nut always use the flare nut attached to the indoor and outdoor units respectively onto the pipe and perform the flare processing with a flare tool Use the special R410A flare tool or the conventional for R22 flare tool When using the conventional flare tool always use an allowance adjustment gauge and secure the A dimension shown in Table 2 CONNECTION 1 Install the outdoor unit wall cap supplied with the optional installation set or pro cured at the site to the wall pipe 2 Connect the outdoor unit and indoor unit piping 3 After matching the center of the flare surface and tightening the nut hand tight tighten the nut to the specified tightening torque with a torque wrench Table 1 Tighten with two wrenches G Wrench fixed Flare nut AUTES To prevent gas leakage coat the flare surface with refrig
41. o change the signal code between H H h gt gt Match the code on the display to hee i conditioner signal code 4 Press the MODE button again to return to the clock display The signal code will be changed ECONOMY 4 SET C seme C SLEEP V lt gt SWING En 10 If no buttons are pressed within 30 seconds after the signal code is displayed the sys tem returns to the original clock display In this case start again from step 1 The air conditioner signal code is set to A prior to shipment Contact your retailer to change the signal code The remote controller resets to signal code A when the batteries in the remote controller are replaced If you use a signal code other than signal code A reset the signal code after replacing the batteries If you do not know the air conditioner signal code setting try each of the signal codes Hb gt gt pf until you find the code which operates the air conditioner 9 4 Special installation methods This possible only the wired remote controller Option N CAUTION When setting DIP switches do not touch any other parts on the circuit board directly with your bare hands Be sure to turn off the main power 9 4 1 Simultaneous multi system operation By combining with an outdoor unit 2 units for twin and 3 units for triple indoor units can be switched ON OFF simultaneously 1 Wiring method Refer to 6 ELECTRICAL WIRING for wiring procedu
42. of the outdoor unit or branch box Erroneous wiring may cause burning of the electric parts Securely connect the connection cables to the terminal blocks 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 cover on the unit An improperly installed electrical box cover can cause serious accidents such as electric shock or fire through exposure to dust or water Install sleeves into any holes made in the walls for wiring Otherwise a short circuit could result Install a earth leakage breaker In addition install the earth leakage breaker so that the entire AC main power supply is cut off at the same time Otherwise electric shock or fire could result Always connect the earth wire Improper grounding work can cause electric shocks Install the remote controller cable and bus wire so as not to be direct touched with your hand 1 Use ring terminals with insulating sleeves as shown in the figure below to connect to the terminal block 2 Securely clamp the ring terminals to the wires using an appropriate tool so that the wires do not come loose 3 Use the specified wires connect them securely and fasten them so that there is no st
43. ol 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 Fixing screw 2 positions Check if L is flared uniformly F7 and is not cracked or scratched Barriers Fixing screw 2 positions Install the barriers in the correct direction Dimension A mm 4 PIPE INSTALLATION Dimension Bs mm clutch type N CAUTION Be more careful that foreign matter oil water etc does not enter the piping than with 13 2 70 12 01005 15 86 56 19 05 8 4 840 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 refrigerant R410A models Also when storing the piping securely seal the openings by pinching taping etc While welding the pipes be sure to blow dry nitrogen gas through them 4 1 Selecting the pipe material Widihvaerass Pipe outside Width across flats of p CD cego o mm ese oo SOON a Do not use existing pipes Use pipes that have clean external and internal sides without any contamination which may cause trouble during use such as sulfur oxide dust cutting waste oil or water I7 22 26 It is necessary to use seamless co
44. ols and piping materi als that have been manufactured specifically for R410A use Because the pressure of R410A refrigerant is approximately 1 6 times higher than the R22 failure to use dedi cated piping material or improper installation can cause rupture or injury Furthermore it can cause serious accidents such as water leakage electric shock or fire The pressure in the refrigerant system is extremely high and cannot be measured with a conventional gauge To prevent erroneous mixing of other refriger ants the 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 display range of 0 1 to 3 8 MPa To increase pressure resistance the hose material Charging hose and base size were changed The charging port thread diameter for R410A is 1 2 UNF 20 threads per inch A conventional vacuum pump can be used by install ing a vacuum pump adapter Be sure that the pump oil does not back flow into the system Use one capable for vacuum suction of 100 7 kPa 5 Torr 7755 mmHg Gas leakage detector Special gas leakage detector for R410A refrigerant Gauge manifold Vacuum pump For installation purposes be sure to use the parts supplied by the manufacturer or other prescribed parts The use of non prescribed parts can cause serious accidents such as the unit fall ing water leakage electric shock or fire The
45. omes appreciably reduced replace the batteries and press the RESET button with the tip of a ballpoint pen or other small object En 9 8 2 Installing the remote controller holder Check that the indoor unit correctly receives the signal from the remote controller then install the remote controller holder Select the remote controller holder selection site by paying careful attention to the following Avoid places in direct sunlight Select a place that will not be affected by the heat from a stove etc Install the remote controller with a distance of 7 m between the remote controller and the photocell as the criteria However when installing the remote controller check that it operates positively Install the remote controller holder to a wall pillar etc with the tapping screw 1 Mount the holder 2 Set the remote controller 3 To remove the remote controller when use at hand 1 Press in m Insert Screws 9 FUNCTION SETTING N CAUTION Confirm whether the wiring work for outdoor unit has been finished Confirm whether the cap for electric control box on the outdoor unit is close 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 malfunction After the power is turned on perform the FUNCTION SETTING according to the instal lation conditions using the remote controller
46. opper pipes that have a collapsed deformed or discolored portion es Install the bracket with nuts spring washers pecially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants Bracket Left Ceiling panel Special nut A Improper pipe selection will degrade performance As an air conditioner using R410A Accessories incurs pressure higher than when using conventional refrigerant it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in the table Never use copper pipes thinner than those indicated in the table even if they are avail able on the market Spring washer Field supply Bracket Right M10 Nut Field supply SITO Nut Feld SUppIy Thicknesses of Annealed Copper Pipes R410A Pipe outside diameter mm in B 4 Installing indoor unit Reset the hex bolts as shown in the fur f Hex bolt Indoor unit 8 to 13 J 4 2 Pipe requirement Su Unit mm 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 Apply the indoor unit to the brackets Pn PE Use pipe with water resistant heat insulation 3 o 3 N CAUTION em Bt Bracket Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks IE Indoor unit Use heat
47. our retailer to change the signal code The remote controller resets to signal code A when the batteries in the remote controller are replaced If you use a signal code other than signal code A reset the signal code after replacing the batteries TIMER MODE If zu do not know the air conditioner signal code setting try each of the signal codes H n h E gt id 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 function number Press the MODE button to switch between the left and right digits 2 Press the FAN button to proceed to setting the value Press the FAN button again to return to the function number selection 3 Press the SET TEMP A W buttons to select the setting 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 b Press the RESET button to cancel the function setting mode 6 After completing the FUNCTION SET TING be sure to turn off the power and turn it on again Function number Setting value 4 SET TEMP SLEEP lt 7 lt gt SWING 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 1 Filter sign Th
48. pper pipes Material Phosphor deoxidized seamless copper pipes It is desirable that the amount of residual oil is less than 40 mg 10 m En 4 4 3 2 Bending pipes The pipes are shaped by your hands or pipe bender Be careful not to collapse them Do not bend the pipes at an angle more than 90 When pipes are repeatedly bend or stretched the material will harden making it difficult to bend or stretch them any more Do not bend or stretch the pipes more than 3 times N CAUTION To prevent breaking of the pipe avoid sharp bends If the pipe is bent repeatedly at the same place it will break 4 3 3 Pipe connection 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 Be sure to apply the pipe against the port on the indoor unit and the outdoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn the threads will be damaged Do not remove the flare nut from the indoor unit pipe until immediately before connect ing the connection pipe 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 2 Install the outdoor unit wall cap supplied with the optional installation set or procured at the site to the wall hole pipe 8 Connect the outdoo
49. properly with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to rupture and even injury When installing 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 rupture injury etc For the air conditioner to operate satisfactorily install it as outlined in this installation manual Connect the indoor unit and outdoor unit with the air conditioner piping and cable available standards parts This installation manual describes the correct connections using the installation set available from our standard parts Also do not use an extension cable Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation There is not extra refrigerant in the outdoor unit for air purging Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit Use a clean gauge manifold vacuum pump and charging hose for R410A exclusively During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to rupture and even injury
50. r current and the cur rent of other electrical appliances When the current contracted capacity is insufficient change the contracted capacity When the voltage is low and the air conditioner is difficult to start contact the power company the voltage raised 2 4 Electric requirement AN CAUTION Be sure to install a breaker of the specified capacity Regulation of cables and breaker differs from each locality refer in accordance with local rules Voltage rating 19 230 V 50 Hz Operating range 198 264 V Cablesize mm Type Remarks Type 60245 2cable 4 Earth IEC66 Ground 19230V 0 l Type 60245 3cable Earth 1 Selected sample Select the correct cable type and size according to the country or region s regulations Max wire length Set a length so that the voltage drop is less than 296 Increase the wire diameter when the wire length is long Power supply cable 4 r Specification Circuit breaker over current Current 25 A Earth leakage breaker Leakage current 30mA 0 1sec or less 2 Select the appropriate breaker of the described specification according to the national or regional standards 3 Select the breaker that enough load current can pass through it Before starting work check that power is not being supplied to all poles of the indoor unit and outdoor unit Install all electrical works in accordance to the national standard Install the disconnect device
51. r unit and indoor unit piping 4 After matching the center of the flare surface and tightening the nut hand tight tighten the nut to the specified tightening torque with a torque wrench Hold the torque wrench at its grip keeping it in the right angle with the pipe in order to tighten the flare nut correctly Tighten the flare nuts with a torque wrench using the specified tightening method Oth erwise 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 2 wrenches Holding wrench Flare nut Torque wrench Indoor unit pipe Body side Connection pipe 12 70 12 dia 4 4 Installing heat insulation After checking for gas leaks refer to the Installation Manual of the outdoor unit perform this section Install heat insulation around both the large gas and small liquid pipes Failure to do so may cause water leaks After checking for gas leaks insulate by wrapping insulation around the 2 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 cable tie And finally fix connection pipe Liquid to connection pipe Gas by rolling vinyl tape over coupler heat insulation Gas and coupler hea
52. ration noise indoor unit correctly may drop Has there been a check for gas No cooling No heating leaks refrigerant pipes Has heat insulation work been Water leakage completed Does water drain easily from the Water leakage indoor units Are the wires and pipes all con No operation heat or burn nected completely damage Is the connection cable the speci No operation heat or burn fied thickness damage Are the inlets and outlets free of No cooling No heating any obstacles After installation is completed has the proper operation and handling been explained to the user 12 OPTIONAL KIT INSTALLATION OPTION AN WARNING Regulation of cable differs from each locality refer in accordance with local rules This air conditioner can be connected with the following optional kits Refer to each instal lation manual for the method of installing optional parts Wired remote controller Simple remote controller External connect kit 12 1 Wired remote controller Simple remote controller Please refer to 6 ELECTRICAL WIRING 12 2 External input and external output Connection methods Wire modification Option parts External input output wire A Insulated connection Cable Field supply Use a tool to cut off the terminal on the end of the wire and then remove the insulation from the cut end of the wire Connect the wire with connecting wire with solder Important Be
53. re and wiring method The indoor unit is connected the outdoor unit using a transmission cable is primary Connect the remote controller wire to the primary unit Twin type 18 22 24 type only Outdoor unit Remote Indoor Indoor controller unit primary Triple type 18type only Outdoor unit Remote Indoor Indoor Indoor controller unit primary H Transmission cable Power supply cable Power supply cable 4 Remote controller cable 4 Bus wire 2 Set the R C address DIP switch setting Set the R C address of each indoor unit using the DIP switches on the indoor unit circuit board See the following table and figure The DIP switches are normally set to make the R C address 00 R C address DIP SWITCH No 01 02 o o or o or or DIP switches Example H C address 02 Circuit board in the control box of indoor unit En 11 NOTE Be sure to set the R C address sequentially 3 Set the primary and secondary Remote controller setting 1 Turn on all of the indoor units 2 Set the primary and secondary settings Set the indoor unit that is connected to the outdoor unit using a transmission cable as the primary Doo Function Number Setting Value a Po 3 After completing the function settings turn off all of the indoor units and then turn them back on If error code 21 22 24 or 27 is displayed there may be
54. ress 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 6 See the table 1 for the terminal screw tightening torques S D on Ring terminal Sleeve Screw with S special washer Screw with spe cial washer 5 Ring terminal Ring Wire JL inal Wire z termina Terminal k board Terminal block Table 1 Tightening torque 1 2 to 1 8 N m 12 to 18 kgf cm 1 5 MIN Type 60245 IEC57 3Cable Ground 1p230V Max Cable Length Limit voltage drop to less than 296 Increase cable gauge if voltage drop is 296 or more For simultaneous multi Fes Conductor size mm Max length m 0 3 MIN 500 Bus wire This length shall be the total extended length in the system of the group Total length of bus wire and remote controller cable AN WARNING Use crimp type terminals and tighten the terminal screws to the specified torques Other wise overheating may be produced and possibly cause heavy damage inside the unit En 6 Simultaneous twin 18 22 24 type only 6 1 Wiring system diagram
55. rille 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 3 areas on the top of the intake grille 8 REMOTE CONTROLLER SETTING Refer to the installation manual enclosed with the remote controller when the wired remote controller option is used 8 1 Load batteries ROS LROS x 2 1 Press and slide the battery compartment lid on the reverse side to open it Slide in the direction of the arrow while pressing the bd mark 2 Insert batteries Be sure to align the battery polarities CO O correctly 3 Close the battery compartment lid N CAUTION Take care to prevent infants from accidentally swallowing batteries When not using the Remote Controller for an extended period remove the batteries to avoid possible leakage and damage to the unit If leaking battery fluid comes in contact with your skin eyes or mouth immediately wash with copious amounts of water and consult your physician Dead batteries should be removed immediately and disposed of properly either in a battery collection receptacle or to the appropriate authority Do not attempt to recharge dry batteries NOTE Never mix new and used batteries or batteries of different types Batteries should last about 1 year under normal use If the Remote controller s operating range bec
56. ring standards by authorized personnel only This mark indicates procedures which if improperly per formed might possibly result in personal harm to the user or damage to property N CAUTION Read carefully all security information before use or install the air conditioner Do not attempt to install the air conditioner or a part of the air conditioner by yourself This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids Refer to regulation and laws in use on installation place The installation must be carried out in compliance with regulations in force in the place of installation and the installation instructions of the manufacturer This unit is part of a set constituting an air conditioner It must not be installed alone or with non authorized by the manufacturer Always use a separate power supply line protected by a circuit breaker operating on all wires with a distance between contact of 3mm for this unit The unit must be correctly grounded and the supply line must be equipped with a dif ferential breaker in order to protect the persons En 1 2 3 Accessories The units are not explosion proof and therefore should not be installed in explosive atmosphere This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or
57. s SEE EXE MEE a PART No 9377863195 AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL 9377863195 Contents 1 SAFETY PRECAOTIONS uocem idol Rd aere mre o d Dn rt Ev 1 9 ABOUT THE UN Tin 1 3 SELECTING THE MOUNTING POSITION cccccccccccesceccescecccescesceeccecececesccsuceeeceaes 3 A INSTALLATION DIAGRAM sucio ai 3 5 INSTALLATION uester aia 4 6 PUMP DOWN ssa Penn ds a CS ER de 6 Notes This manual describes how to install the outdoor unit only To install the indoor unit refer to the installation manual included with the indoor unit Be sure to read this manual thoroughly before the installation Hand this manual together with the operating manual to the customer Request the customer to keep them on hand for future use such as for relocating or repairing the unit After the installation explain correct operation to the customer by using the operating manual 1 SAFETY PRECAUTIONS Be sure to read this manual carefully before installation The warnings and precautions indicated in this manual contain important information pertaining to your safety Be sure to observe them Hand this manual together with the operating manual to the customer Request the customer to keep them on hand for future use such as for relocating or repairing the unit N This mark indicates procedures which if improperly performed WARNING might lead to the death or serious injury of the user This mark indicates proce
58. s Len can snE Sua op eaa 13 13 CUSTOMER GUIDANCE inno tuus cis tet useu esc uc as aeo sugar aene eese asse pae E aa EE ee us busta u sno sesso se 13 14 ERROR CUTE taa 13 1 SAFETY PRECAUTIONS Be sure to read this Manual thoroughly before installation The warnings and precautions indicated in this Manual contain important information per taining to your safety Be sure to observe them Hand this Manual together with the Operating Manual to the customer Request the cus tomer to keep them on hand for future use such as for relocating or repairing the unit N This mark indicates procedures which if improperly per WARNING formed might lead to the death or serious injury of the user Request your dealer or a professional installer to install the indoor unit in accordance with this Installation Manual An improperly installed unit can cause serious accidents such as water leakage electric shock or fire If the indoor unit is installed in disregard of the instructions in the Installation Manual it will void the manufacturer s warranty Do not turn ON the power until all work has been completed Turning ON the power before the work is completed can cause serious accidents such as electric shock or fire If refrigerant leaks while work is being carried out ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas Installation work must be performed in accordance with national wi
59. s available on the market Thicknesses of Annealed Copper Pipes Pipe outside diameter 6 35 mm 1 4 in 9 52 mm 3 8 in 12 70 mm 1 2 in 15 88 mm 56 15 05 mm 3 40 Do not use the existing for R22 piping and flare nuts If the existing materials are used the pressure inside the refrigerant cycle will rise and cause failure injury etc Use the special R410A materials When installing and relocating the air conditioner do not mix gases other than the specified refrigerant R410A to enter the refrigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnormally high value and cause failure injury etc AN WARNING Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner Use a circuit breaker and receptacle matched to the capacity of the air conditioner Do not extend the power cable Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively Install a leakage circuit breaker in accordance with the related laws and regulations and electric company standards The circuit breaker is installed in the permanent wiring Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3 mm between the contacts of each pole CAUTION The power source capacity must be the sum of the air conditione
60. s wire 4 Settings when simultaneous Multi is included 8 Set the refrigerant circuit address Remote controller setting 1 Turn on all of the indoor units Turn on the indoor unit with the R C address 00 last Within 1 minute 2 Set the refrigerant circuit address Assign the same number to all of the indoor units connected to an outdoor unit The unit is factory set to 00 Refrigerant circuit address Function Number Setting Value Standard Standard Simultaneous Simultaneous pair pair twin triple Remote Indoor Indoor controller i unit 3 unit 4 R C address DIP switch setting Refrigerant circuit address setting Function number 02 Primary Secondary setting Function number 51 Transmission cable Power supply cable Power supply cable Remote controller cable Bus wire 9 4 3 Dual remote controllers 2 separate remote controllers can be used to operate the indoor units The timer and self diagnosis functions cannot be used on the secondary unit of remote controller 1 Wiring method indoor unit to remote controller Indoor unit Secondary unit Remote Remote controller controller 2 Remote controller DIP switch 1 setting Set the remote controller DIP switch 1 No 2 according to the following table 4 Set the primary and secondary settings Remote controller setting Set the indoor unit that is connected to the outdoor u
61. t insulation Liquid En 5 Indoor unit ph Coupler heat Coupler heat insulator large insulator small Be sure to overlap the insulation d IT aae ge Em No gap Coupler heat insulation N CAUTION There should be no gaps between the insulation and the unit 5 INSTALLING DRAIN HOSE Install the drain hose in accordance with the instructions in this Installation Manual and keep the area warm enough to prevent condensation Problems with the piping may lead to water leaks Adhesive polyvinyl chloride so that there is no leakage Always heat insulate the indoor side of the drain hose Use a drain pipe that matches the size of the drain hose Do not perform a rise trap and air bleeding Provide a downward gradient 1 100 or more Provide supporters when long pipes are installed Use an insulation material as needed to prevent the pipes from freezing Install the pipes in a way that allows for the removal of the control box Drain pipe 32 mm VP25 When using the drain port on the left side of the unit remove the drain cap and install it to the right side drain port Only when suspended from the ceiling Drain cap Unit v INSTALL THE DRAIN HOSE Working procedure 1 Install the attached drain hose to the drain port of the body Install the hose band from the top of the hose within the graphic display area Secure firmly with the hose band 2 Use vinyl ad
62. th ground line X Indoor unit ld Remote controller cable Secondary EL B Flexible multi us wire E Q Local purchase Connection cable E Indoor unit Earth Ground line Outdoor unit 1 4 2 9 QE Power line 3 1 1 5 Earth Ground the remote controller if it has a earth ground line 2 2 Connect the remote controller wires to the primary unit 3 O 3 O eeudee Control line Da Simultan riple 1 T Simu tal eous triple 18 type only Connection cable Junction box L L Local purchase L amp 69 Indoor unit Primary e Ground line Outdoor unit 11 1g amp 7 D Z 2 2 m 1 N 1 3 3 JEN NE 2 P e 3 3 Wired remote controller cable l Indoor unit a Earth Ground line Wired remote Secondary Indoor unit controller Control line Po 69 Q Power line Red a El 2 White W 2 3 Black B ki Remote controller cable Indoor unit Earth Ground the remote controller if it has a earth ground line Secondary e lo Flexible multi branch box Connection cable 1 2 8 Indoor unit Earth Ground line Branch box Outdoor unit
63. tting description value Lowercontrol Slightly warmer control warmer control Warmercontrol control When using floor console installation change the setting value to 01 5 Auto restart Enable or disable automatic system restart after a power outage 4 Factory setting Setting description a 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 6 Indoor room temperature sensor switching function Only for Wired remote controller The following settings are needed using the Wired remote controller temperature sensor 4 Factory setting Setting _ value If setting value is 00 Room temperature is controlled by the indoor unit temperature sensor If setting value is 01 Room temperature is controlled by either indoor unit temperature sensor or remote controller unit sensor 7 Wireless remote controller signal code Change the indoor unit Signal Code depending on the wireless remote controllers 4 Factory setting Setting EGRE value i 03 8 External input control Operation Stop mode or Forced stop mode can be selected 4 Factory setting Setting description value Operation Stop mode Setting forbidden 46 c
64. urely seal the opening by pinching taping etc When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases And always charge from the liquid phase where refrigerant composition is stable 2 2 Special tools for R410A Pressure is high and cannot be measured with a conven tional R22 gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed It is recommended the gauge with seals 0 1 to 5 3 MPa 1 to 53 bar for high pressure 0 1 to 3 8 MPa 1 to 38 bar for low pressure Gauge manifold To increase pressure resistance the hose material and base Charge hose size were changed A conventional vacuum pump can be used by installing a Vacuum pump vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A Copper pipes It is necessary to use seamless copper pipes and it is desirable that the amount of 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 Thicknesses of copper pipes used with R410A are as shown in table below Never use copper pipes thinner than 0 8mm even when it i
65. with a contact gap of at least 3 mm in all poles nearby the units Both indoor unit and outdoor unit Install the circuit breaker nearby the units 2 5 Accessories Name and Shape Application Installation Manual This manual 1 For outdoor unit drain piping work Drain pi rain pipe Qu 2 6 Limitation of refrigerant piping length AN CAUTION The total maximum pipe lengths and height difference of this product are shown in the table If the units are further apart than this correct operation cannot be guaranteed Pipe erein Maximum height NEN ENG TN Sta cto mo 5m 9 J2m JJ 2 7 Additional charge Refrigerant suitable for a piping length of 15 m is charged in the outdoor unit at the factory When the piping is longer than 15 m additional charging is necessary For the additional amount see the table below Pipe length Additional amount 100g 200 g 300 g AN CAUTION When adding refrigerant add the refrigerant from the charging port at the completion of work The maximum length of the piping is 30 m The maximum height difference of the piping is 20 m if the units are further apart than these correct operation cannot be guaran teed Between 15 m and 30 m when using a connection pipe other than that in the table charge additional refrigerant with 20 g 1 m as the criteria 2 8 Selecting pipe sizes The diameters of the connection pipes differ according to the capacity of th

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