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INSTALLATION MANUAL

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1. F Connection cable Junction box Lo Connection diagrams Indoor unit Primary cal purchase Outdoor unit Earth Ground line Standard pair Q i GL Connection cable ZE aA d 1 Indoor unit Earth Ground line Outdoor unit 21 v T 2 Gc 3 T7 3 T _ Power line Indoor unit or j som Ground line E Secondary N Control line 2 2 Le a 13 3 Power line Control line 0 2 Wired remote controller cable 3 Wired remote Indoor unit controller EN E amp Wired remote controller cable Wired remote 1 A m R Indoor unit Primary controller I 2 w Black 3 V B F f Red R F Whi Indoor unit Remote controller cable 2_ Back Earth Ground the remote controller if it has a earth ground line 3 V B Indoor unit R Remote controller cable Flexible multi Secondary 41 Sus v i us wire Connection cable L Local purchase Indoor unit Earth Ground line Outdoor unit i f C a B id E iss line 2 L1 A 1 3 2 A X 2 3 Earth Ground the remote controller if it has a earth ground line 3
2. TUI ilil AIT iil il iliil iiil INSTALLATIONSANLEITUNG Nur f r autorisiertes Personal i Mi i 7 iiil iiil Jl E Hi MANUEL D INSTALLATION Pour le personnel agr uniquement MANUAL DE INSTALACION Solo para personal autorizado Espanol Frangais Deutsch English MANUALE D INSTALLAZIONE Ad uso esclusivo del personale autorizzato Italiano ET XEIPIAIO ETKATAZTAZHZ EEOUDIOSOTNUEVO OEPBiIC MANUAL DE INSTALAGAO Apenas para t cnicos autorizados YCTAHOBKE KURULUM KILAVUZU Yetkili servis personeli i indir T rk e Portugu s EAAnvika PART No 9377863195 AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL 9377863195 Contents Te SAFETY PREGAUTIONS deaan eine eee i ide eris 1 21 ABOUT THESUNIT i icc RERO QURE LS RT 1 3 SEEEGTING THE MOUNTING POSETION ata cci eot tot ce eot t eee 3 4 INSTALLATION DIAGRAM Vd 5 INSTALLATION 4 6 PUMP DOWN 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
3. 4 3 3 Pipe connection CAUTION Be sure to connect the pipe against the port on the indoor unit and the outdoor unit cor rectly If the centering is improper the flare nut cannot 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 connecting 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 1 Detach the caps and plugs from the pipes 2 Center the pipe against the port on the indoor unit and then turn the flare nut by hand Connection pipe ES 3 When the flare nut is tightened properly by your hand hold the body side coupling with a separate spanner then tighten with a torque wrench See the table below for the flare nut tightening torques CAUTION 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 n Torque wrench are nut Indoor unit pipe Body side
4. Bus wire En 12 8 4 2 Group control system N CAUTION 4 Set the primary and secondary settings Remote controller setting Set the indoor unit that is connected to the outdoor unit using a transmission cable as the primary 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 ms 1 2 3 Pe z 1 2 3 T 1 1 2 3 Remote controller cable Remote controller When earth 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 R C address DIP SWITCH No 1 2 3 4 00 OFF OFF OFF OFF 01 OFF OFF 02 OFF ON OFF OFF 03 ON ON OFF OFF G 04 OFF OFF ON OFF 6 05 ON OFF ON OFF 06 OFF ON ON OFF 07 ON ON ON OFF 9 08 OFF OFF OFF ON 09 ON OFF OFF ON 4 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON O
5. 1 1 White 2 4 7 Black gre ae TT Remote controller cable L0 Wired remote Indoor unit Secondary Bus wire Local purchase 1 ol 3 Indoor unit W Secondary 1 2 3 Earth Ground the remote controller if it has a earth ground line Connect the remote controller wires to the primary unit Wired remote controller is recommended using simultaneous twin or triple connection 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 conditioner may be damaged Connect the indoor unit connection cable by matching the numbers of the outdoor branch box and indoor units terminal board numbers as shown in terminal label Earth Ground both the indoor and outdoor branch box units by attaching an earth ground cable Unit shall be earthed grounded in compliance with the applicable local and na tional cables CAUTION Be sure to refer to the above diagram for do correct field wiring Wrong wiring causes malfunction of the unit Check local electrical rules and also any specifi
6. This mark indicates procedures which if improperly per 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 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 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 This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience a
7. 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 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 8 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 adjus
8. 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 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 Increase the pressure up to the specified pressure the pressure designed for the product and then make a note of it 5b 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 6 Discharge the nitrogen gas and starting removing the gas with a vacuum pump 7 Open the valve of the gauge manifold fully 8 Operate the vacuum pump and start pump down 9 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 va
9. 3 Flare connection pipe connection 4 4 Installing heat insulation 5 ELECTRICAL WIRING 5 1 Wiring system diagram 5 2 Connection cable preparation 5 3 Connection of wiring 6 REMOTE CONTROLLER SETTING 6 1 Load batteries ROS LROS x 2 6 2 Installing the remote controller holder cone 7 CASSETTE GRILLE INSTALLATION ep eio ot p Ure ddl ce e e 9 7 1 Remove the intake grille 5 225 e t e c eo ies 9 7 2 Installing the panel to indoor unit 7 3 Attach the intake grille 8 FUNCTION SEW TING septi bacon eeu blo le epa 8 1 Operation method wonn a aa o ooo 8 2 Function setting 8 3 Selecting the remote controller signal code dd 8 4 Special installation Methods ssssssssseeeeennn 12 9 TESTRUN Peer EN 14 10 CHECK LIST 11 OPTIONAL KIT INSTALLATION OPTION 12 CUSTOMER GUIDANCE T92ERROR GODES eet ete cer iler eite n cose dor ci c 15 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 WARNING
10. 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 box of indoor unit Function Number Setting Value Primary Secondary 51 00 01 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 an incorrect setting Perform the remote controller setting again Twin type 18 22 24 type only Out door unit Remote Indoor Indoor controller unit 1 unit 2 primary secondary p cw ae ge 1 address 00 01 DIP switch setting 1 i Primary Secondary setting 00 01 Function number 51 1 1 Triple type 18type only Out door unit 745 oF Remote Indoor Indoor Indoor controller unit unit unit primary secondary secondary 1 1 address 00 l 01 02 DIP switch setting SS Re COM ue i Primary Secondary setting 00 01 01 Function number 51 1 1 Transmission cable Power supply cable 7 Remote controller cable Power supply cable
11. CLOCK TEST RESET ADJUST RUN The air conditioner signal code is factory set to A 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 ef until you find the code which operates the air conditioner STEP2 Selecting the Function Number and Setting Value 1 Press the SET TEMP A 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 44 A 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 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 Function number Setting value BN STOP ECONOMY N CAUTION After turning off the power wait 30 seconds or more before turning on it again The FUNCTION SETTING do
12. Manual ma 1 Installation Manual This book f Coupler heat insulation Large For indoor side pipe joint Gas pipe oe 1 Coupler heat insulation Small For indoor side pipe joint 1 Liquid pipe Special nut A Large flange For installing indoor unit 4 Special nut B Small flange O For installing indoor unit w Template For ceiling openings cutting Carton top lt gt Also used as packing 1 Drain hose For installing drain pipe VP25 O D 32 1 0 25 1 3 Hose Band For installing drain hose 1 Drain hose insulation For installing drain pipe amp 7 1 Remote controller For air conditioner operation 1 Battery For remote controller unit 2 Remote controller holder For installing the remote controller 1 Tapping screw For mounting the remote controller M3 x 12mm 2 holder Cable tie For electrical wiring 2 Wire clamper 1 For electrical wiring 1 This part is not furnished for AUT series 2 4 Cassette grille accessories Name and Shape Description Connector cover For covering connector 1 Tapping Screw For mounting cassette grille M5 x 12 mm Gry Tapping Screw N For mounting connector cover M4 x 12 mm N 1 fa L angle For mounting the Hook Wire to the Cassette grille Jo 2 Hook wire For suspending the Cassette grille o O Screw pitch small For mounting the Hook Wire for M4 x 10 mm metals 2 Screw pitch large For mou
13. 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 AN This mark indicates procedures which if improperly performed WARNING might lead to the death or serious injury of the user This mark indicates procedures 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 inst
14. may require a correction The settings may be changed as shown in the table below Factory setting e Standard a 6 Auto restart Enable or disable automatic system restart after a power outage 9 Factory setting Setting description Setting value Yes 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 7 Indoor room temperature sensor switching function Only for Wired remote controller The following settings are needed using the Wired remote controller temperature sensor Factory setting Setting description Setting value st En 11 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 8 Wireless remote controller signal code Change the indoor unit Signal Code depending on the wireless remote controllers 9 Factory setting Setting description Setting value 0 O j 03 9 External input control Operation Stop mode or Forced stop mode can be selected Setting description Setting value Operation Stop mode Setting forbidden 46 01 Forced stop mode 02 Factory setting Settin
15. 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 securely 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 Charge hose To increase pressure resistance the hose material and base 3 Size were changed Vacuum pum A conventional vacuum pump can be used by installing a PUR 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 us
16. 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 leak 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
17. 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 leads to rupture and even injury En 6
18. steam such as a kitchen 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 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 source of heat steam or flammable gas 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 conditions If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit 1 Install the indoor unit in a location having sufficient strength to support 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
19. the remote control ler display 2 Press the MODE button for at least 5 seconds to display the current signal code initially set to 3 Press the SET TEMP A V button to change the signal code between h r Match the code on the display to the air conditioner signal code 4 Press the MODE button again to return to the clock display The signal code will be changed 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 H h gt until you find the code which operates the air conditioner 8 4 Special installation methods This possible only the wired remote controller Option 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 8 4 1 Simultaneous multi system operation By combining with an outdoor unit 2 units for twin and 3 units for
20. the room 3 Leave the space required to service the air conditioner 4 Locate where the air can be distributed evenly throughout the room by the unit 5 Install the unit where connection to the outdoor unit is easy 6 Install the unit where the connection pipe can be easily installed 7 Install the unit where the drain pipe can be easily installed 8 Install the unit where noise and vibration is not amplified 9 Take servicing etc into consideration and leave the spaces Also install the unit where the filter can be removed 3 2 Installation dimension The ceiling rear height as shown in the figure Strong and durable ceiling EN o9 L 2 ge St 1 000 5 TO or more Obstruction Y xc e eal Floor Unit mm This product can be installed at a height of up to 3 000mm However 7000 9000 Btu h model can not be installed in high places Perform the Function Setting on the remote control in accordance with the installed height See 8 2 Function setting Discharge direction setting The discharge direction can be selected as shown below 100 or more it p Please ensure t sufficient service access during installation e C Y 4 directions 3 directions Unit mm En 3 For a 3 way outlet make sure to perform the Function Setting on the remote control Also make sure to use the opt
21. 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 e x o PA Ring terminal Screw with S special washer Screw with Special washer Ring terminal n Le Ring ue Wire Ay terminal Terminal board Terminal block amp Tightening torque 1 2 to 1 8 N m 12 to 18 kgf cm N WARNING Use crimp type terminals and tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit En 6 5 1 Wiring system diagram Simultaneous twin 18 22 24 type only
22. 50 700 mm or less Installation 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 shown in the figure area 2 Use vinyl adhesive agent to glue the drain piping PVC pipe VP25 to the drain hose assembly Apply color adhesive agent evenly until the gauge line and seal 3 Check the drainage See separate diagram 4 Install the heat insulation 5 Use the attached heat insulation to insulate the drain port and hose band Attach hose band Accessories Install the knob facing upward Locally installed PCV pipe Attach drain hose Accessories Attach heat insulation Accessories Unit mm a Top view b Side view Applying area of adhesive 35 Gauge line 4 or less 20 Transparent visible portion c Hose opening view Wind the attached heat insulation around the hose band Make sure the alignment is on top Top view 4G I a Make sure there are no gaps Note Check for drainage Pour about 1 liter of water from the position see 9 TEST RUN CHECKING DRAINAGE Check for any abnormalities such as strange noises and whether the drain pump functions normally En 4 4 PIPE INSTALLATION N CAUTION Be careful that foreign matter oil water etc does not enter the pipi
23. AIR CONDITIONER INDOOR UNIT Compact Cassette 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 EI XEIPIAIO ETKATAZTAZHZ EEOUDIOSOTNUEVO TIPOOWTTIKO o pic MANUAL DE INSTALAGAO Apenas para t cnicos autorizados KURULUM KILAVUZU Yetkili servis personeli icindir PART NO 9379124010 05 T rk e lt EAAnvIk Italiano Espafiol Frangais Deutsch English INSTALLATION MANUAL PART No 9379124010 05 INDOOR UNIT Compact Cassette Type Contents T SAFETY PREGADTIONS S 2 1 rere ee ots do ode Edo cce ite NOn 1 2 CES 1 2 1 Precautions for using R410A refrigerant 2 2 Special tool for R410A 2 3 Accessories 2 4 Cassette grille accessories 2 5 Optional parts 3 INSTALLATION WORK 3 1 Selecting an installation location 3 2 Installation dimension 3 3 Installation the unit 47 IPIPEINSTAELRATION cr tierce p tot intere PP Erb rto eate te Peli 4 1 Selecting the pipe material 4 2 Pipe requirement 4
24. E Control line 3 Connect the remote controller wires to the primary unit Indoor unit Simultaneous triple 18 type only 1 Q 216 Connection cable Junction box Indoor unit Primary Local purchase Outdoor unit 1 1c Earth Ground line 2 2 2 5 amp e lI wW 3 3 1 O 1 2 A 2 8 V 3 i LL d Wired remote controller cable Wired remote amp Indoor unit alas Earth Ground line Indoor unit controller Hy LQ T v etl N Control iine E A dhed e LT m Power line 1 Tt Wri R 1 2 ite W 2 3 Black B 2 13 Remote controller cable Earth Ground the remote controller if it has a earth ground line Indoorunit esc TOPOS ESD ele rar A Poe ORES It COMES oe vedete ale Secondary A 1 Flexible multi branch box Connection cable t 14 Indoor unit Earth Ground line Branch box Outdoor unit 2 X E 09 3 Sk 1 Z 1 4 1 2 20 2v 2 m 5 rl 13 76 3E 813 9 3 Control line a5 Control line Power line gt Indoor uni Power line lo Q 7 1 19 2 219 3 3g EI wW Wired remote controller cable Wired remote Indoor unit controller 8 7 2 Ld iem W 3 7 B Remote controller cable Earth Ground the remote controller if it has a earth ground line En 7 Wired remote controller cable Indoor unit Primary controller gi
25. FF ON ON 14 OFF ON ON ON 15 ON ON ON ON NOTE Be sure to set the R C address sequentially Outdoor Outdoor Outdoor Outdoor unit 1 unit unit 3 unit 4 Remote Indoor Indoor Indoor Indoor controller unit 1 unit unit unit 4 pe Z7 R C address 00 01 02 03 DIP switch setting Transmission cable Power supply cable Power supply cable Remote controller cable Bus wire Settings when simultaneous Multi is included 3 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 00 01 n 02 00 15 14 15 13 Function Number Setting Value Primary 51 00 Secondary 01 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 NOTE When different indoor unit models are connected using the grou
26. Flare nut mm in 6 35 1 4 dia 9 52 3 8 dia 12 70 1 2 dia 15 88 5 8 dia 19 05 3 4 dia Connection pipe Tightening torque N m kgf cm 16 to 18 160 to 180 32 to 42 320 to 420 49 to 61 490 to 610 63 to 75 630 to 750 90 to 110 900 to 1 100 4 4 Installing heat insulation N CAUTION After checking for gas leaks refer to the Installation Manual of the outdoor unit per form 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 iquid 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 Coupler heat insulation No gap Coupler heat insulation Be sure to overlap the insulation N CAUTION Must fit tightly against body without any gap 5 ELECTRICAL WIRING Cable Cable size mm Type Remarks 3Cable Earth Ground Connection cable 1 5 MIN Type 60245 IEC57 19230V Max Cable Length Limit voltage drop to less than 296 Increase cable gauge if voltage drop is 296 or more For simultaneous mu Conductor size mm Max length m 0 3 MIN 500 Bus wire This length shall be the to
27. Liquid pipe Gas pipe Unit mm Be sure to keep sufficient space in the designated position for future maintenance 3 3 2 Body installation 1 Install special nut A then special nut B onto the hanging bolt 2 Raise the body and mount its hooks onto the hanging bolt between the special nuts 3 Turn special nut B to adjust the height of the body N WARNING Perform final tightening by tightening the double nut firmly Be sure to install the body horizontally and adjust the height below the body and the ceiling surface properly Special nut L A Hook After installing the Special nut B L body tighten the nuts 30 or more Hanging bolt 19 Ceiling Unit mm 3 3 3 Leveling Using a level or vinyl hose filled with water fine adjust so that the body is level Inclined installation so as the drain pipe side is higher may cause a malfunction of the float Switch and may cause water leakage Drain pipe Vinyl hoses Nu 3 3 4 Installing drain pipe Do not insert the drain piping into the sewer where sulfurous gas occurs Heat ex change erosion may occur Insulate the parts properly so that water will not drip from the connection parts Check for proper drainage after installation by using the visible portion of transparent drain port and the drain piping final outlet on the body Do not apply adhesive agent on the drain por
28. able standards parts This installation manual describes the correct connections using the installation set available from our standard parts 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 En 1 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 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
29. c wiring instructions or limitation 5 2 Connection cable preparation Keep the earth ground wire longer than the other wires Power supply cable Earth ground or connection cable wire Use a 4 core wire cable 5 3 Connection of wiring 1 Remove the control box cover and install each connection wire Control box cover 2 After wiring is complete secure the remote controller cable and transmission cable with the attached the cable tie and the clamper Wire clamper accessory Bind securely Transmission cable Detail a a Wired remote controller cable option Thread the cable tie through the hole and tighten securely cable tie accessory Cut of the excess g 7 RE H Wire clamper accessory Bind securely cable tie accessory Cut of the excess Y 9 cable Wired remote controller cable option Thread the cable tie through the hole and tighten securely 3 Install control box cover Do not wire the remote controller cable together with or parallel to the connec tion cables and power supply cables of the INDOOR UNIT and OUTDOOR UNIT BRANCH BOX It may cause erroneous operation 6 REMOTE CONTROLLER SETTING Refer to the installation manual enclosed with the remote controller when the wire
30. d remote controller option is used 6 1 Load batteries RO3 LRO03 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 mark 2 Insert batteries Be sure to align the battery polarities correctly 3 Close the battery compartment lid En 8 Z 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 becomes appreciably reduced replace the batteries and press the RESET button with the tip of a ballpoint pen or other small object 6 2 Installing the remote controller holder Z CAUTION Check that the indoor unit correctly receives the signal from the remote controller then install the remote controller holder Select the remot
31. di 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 ball point pen etc Transmitter section TEST RUN button To end test operation press the remote controller START STOP button When the air conditioner is run by pressing the TEST RUN button the OPERATION Lamp and TIMER Lamp will simultaneously flash slowly Using the wired remote control Option For the operation method refer to the operating manual 1 Stop the air conditioner operation 2 Press the MODE button and the FAN button simultaneously for 2 seconds or more to start the test run QE FAN MODE TT i m z Test run display 3 Press the START STOP button to stop the test run f C0 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 Error code Content D 15 Incompatible indoor unit is connected rn lg Indoor unit lt gt remote controller com LLI munication error 10 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 If not performed CHECK correctly BOX Has the indoor unit been installed Vibration noise indoor unit correctly may drop Has
32. e 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 Slide up ft Pull out 7 CASSETTE GRILLE INSTALLATION Installation according to the Installation instruction sheet Cassette grille Be sure to confirm there is no gap between the panel and main unit after installing the Cassette grille 7 1 Remove the intake grille 1 Slide the 2 grille hooks En 9 2 Open the intake grille and remove 7 2 Installing the panel to indoor unit 1 Install the cassette grille on the indoor unit DRAIN mark PIPE mark Align the stamped marks on the cassette grille to the pipe and the drain of the indoor unit A Screw NCAUTION Use only the supplied screws to install the cassette grille Indoor unit n Sealant Ceiling Cassette grille E L No gap between ceiling and cassette grille a
33. e 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 is available on the market Gauge manifold Thicknesses of Annealed Copper Pipes 2 5 Accessories Pipe outside diameter 535 mm 1 4 in Lana 2 AGREES 9 52 mm 3 8 in Installation Manual This manual 1270 mm 2 inj 1588 mm 58 in 19 05 mm 3 4 n i N WARNING 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 Drain pipe For outdoor unit drain piping work QUY 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 A The total maximum pipe lengths and height difference of this product are shown in the table AN WARNING If the units are further apar
34. ed the condition will be the same as that there are Area that generates substances that adversely affect the equipment such as sulfuric no obstacles gas chlorine gas acid or alkali It will cause the copper pipes and brazed joints to 3 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 live 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 When there are obstacles at the back side with the installation of more than one unit 1 If possible do not install the unit where it will be exposed to direct sunlight If necessary Install a blind that does not interfere with the air flow 2 Do notinstall 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 thei
35. efrigerant 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 En 5 Check if L is flared uniformly B and is not cracked or scratched Die Pipe outside diameter Hinenstonds omi i 0 mm in Flare tool for R410A Dimension mm clutch type 6 35 1 4 9 1 9 52 3 8 13 2 12 70 1 2 0 to 0 5 16 6 15 88 5 8 197 19 05 3 4 24 0 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 Width across Pipe outside diameter Width across flats of flats mm in Flare nut mm 6 35 1 4 17 Esta 9 52 3 8 22 Y 12 70 1 2 26 y 15 88 5 8 29 A 19 05 3 4 36 4 3 2 Bending pipes If pipes are shaped by hand 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 difficul 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
36. esn t become effective if it doesn t do so 8 2 Function setting 1 Filter sign The indoor unit has a sign to inform the user that it is time to clean the filter Select the time setting for the filter sign display interval in the table below according to the amount of dust or debris in the room If you do not wish the filter sign to be displayed select the setting value for No indication En 10 Factory setting Setting description Setting value Standard 2 500 hours Long interval 4 400 hours Short interval 1 250 hours o 2 Ceiling height Select the setting values in the table below according to the height of the ceiling Factory setting Setting description Setting value pe 2 7 m 9 ft 50 High ceiling 01 8 0 m 10 ft However 7000 9000 Btu h model can not be installed in high places 3 Outlet directions Select the setting values in the table below for using a 3 way outlet Factory setting Setting description Function number Setting value 4 Cooling room temperature correction Depending on the installed environment the room temperature sensor may require a correction The settings may be selected as shown in the table below 9 Factory setting Setting description Setting value e Standard 5 Heating room temperature correction Depending on the installed environment the room temperature sensor
37. g record e Record any changes to the settings in the following table Setting Value _ Seting _ _ 5b Heater room temperature correction 6 Auto restart 7 Indoor room temperature sensor switching function 8 Wireless remote controller signal code 9 External input control After completing the FUNCTION SETTING be sure to turn off the power and turn it on again 8 3 Selecting the remote controller signal code When using the wireless remote controller When 2 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 4 selections possible When 2 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
38. hem so that there is no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not usea 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 Crimp type terminal Screw with special washer Sleeve Screw with g special washer Crimp type terminal r Wire Crimp type terminal k Terminal block E erminal blocks Wire M4 screw 1 2 to 1 8 12 to 18 3 OUTDOOR UNIT Remove the outdoor unit connector cover 1 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 Earth Ground H screw E Earth Ground screw Power supply cable Connection cable wiring Run the connection cable to the rear of the outdoor unit within the range of the arrows shown the figure The connector cover becomes difficult to install 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
39. ion pipes 4 0 15 60245 Scable Earth requirements 1 57 Ground 10230 1 Selected sample Select the correct cable type and size according to the country or VAN CAUTION region s regulations 7 ZONE Max wire length Set a length so that the voltage drop is less than 2 Increase the nstall heat insulation around both the gas and liquid pipes wire diameter when the wire length is long Failure to do so may cause water leaks 2 Use heat insulation with heat resistance above 120 Reverse cycle model only Beer Specification i n addition if the humidity level at the installation location of the refrigerant piping is Connection cable E expected to exceed 70 install heat insulation around the refrigerant piping If the Circuit breaker over current Current 25 A expected humidity level is 70 80 use heat insulation that is 15 mm or thicker and if Earth leakage breaker Leakage current 30mA 0 1sec or less the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker f heat insulation is used that is not as thick as specified condensation may form 2 Select the appropriate breaker of the described specification according to the national the surface of the insulation Or regional standards n addition use heat insulation with heat conductivity of 0 045 W m K or less Select the breaker that enough load current can pas
40. ional shutter plate to block the outlet The ceiling height cannot be set in the 3 way outlet mode Therefore do not change the setting in the setting the ceiling height See 8 2 FUNCTION SETTING When the outlet is shut be sure to install the optional Air outlet shutter plate kit For the details of installation please refer to Installation Manual of kit 3 3 Installation the unit N WARNING Install the air conditioner in a location which can withstand a load of at least 5 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 If the job is done with the panel frame only there is a risk that the unit will come loose Please take care 3 3 1 Position the ceiling hole and hanging bolts Ceiling openings and hanging bolt installation diagram NWARNING When fastening the hangers make the bolt positions uniform 530 Hanging bolt position 2 n 570 Indoor unit 0580 660 Ceiling openings 1700 Cassette Grille 540 Hanging bolt position 75 o wo service access 450 Drain pipe O D 226 1 102 40 99 ce a y A Uem t 1 7 5 Ae 4 N Control box See Ceiling
41. lve 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 0 1 MPa 76 cmHg Flare nut 1 bar Pressure gauge 2 way valve 3 way valve High Low pressure pressure side valve side valve closed Valve stem Charge hose Charging port Z P Charging port cap Vacuum pump 20 to 25 N m 200 to 250 kgf cm 200 to 250 kgf cm 6 35 mm 1 4 in m 9 52 mm 3 8 in 20 to 25 N m 15 88 mm 5 8 in 30 to 35 N m 300 to 350 kgf cm 19 05 mm 3 4 in 35 to 40 N m 350 to 400 kgf cm Charging port cap 12 5 to 16 N m 125 to 160 kgf cm Blank cap 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 8 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 ope
42. nd knowledge unless they have been given supervision or 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 2 ABOUT THE UNIT 2 1 Precautions for using R410A refrigerant Z WARNING 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 Z WARNING To install a unit that uses R410A refrigerant use dedicated tools 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 imprope
43. neous Multi eU 91 ey Connection R C address error indoor unit or branch unit Flex ible Multi 2 o Primary unit secondary unit set ee e07 e up error Simultaneous Multi Power supply interruption error e 3 1 3 EPpy P Indoor unit PCB model e d information error Manual auto switch error e 3 5 35 Inlet air temp sensor error e 4 1 o d R Indoor unit Heat Ex Middle temp 4 e S Sensor error Indoor unit fan motor error e 5 1 o Gf Drain pump error 5 3 o 53 Damper error e 5 7 o 2 p Indoor unit error 5 e 15 o 5 Outdoor unit main PCB model e 6 e 2 o be information error or communication error Inverter error e 6 e 3 o 53 Active filter error circuit error e 6 e 4 o BY Trip terminal L error e 6 5 o 5 5 Display PCB microcomputers 6 10 BR communication error Discharge temp sensor error e 7 1 o T4 Compressor temp sensor error e 7 e 2 o 12 p Outdoor unit Heat Ex liquid temp 7 so e ij sensor error Outdoor temp sensor error e 7 e 4 o IM P Suction Gas temp sensor error e 7 e 5 o 15 15 o Troubleshooting with the indoor unit display 0 15 0 15 OFF Number of flashing ECONOMY Lamp GREEN Troubleshooting at the remote controller LCD 7 e 6 o 16 2 way val
44. ng with refrigerant R410A models Also when storing the piping securely seal the openings by pinching taping etc While brazing the pipes be sure to purge with dry nitrogen gas 4 1 Selecting the pipe material CAUTION 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 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 Do not use copper pipes that have a collapsed deformed or discolored portion es pecially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants 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 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 available on the market Thicknesses of Annealed Copper Pipes R410A Pipe outside diameter mm in Thickness mm 6 35 1 4 0 80 9 52 3 8 0 80 12 70 1 2 0 80 15 88 5 8 1 00 19 05 3 4 1 20 4 2 Pipe req
45. nting the L angle and Hook M4 x 10 mm M f 4 wire for resins 2 5 Optional parts Parts name Model No Summary Wired remote controller UTY RNN M Unit control is performed by wired remote controller For air conditioner Simple Remote Controller UTY RSN M operation Install the plate at outlet Air outlet shutter plate UTR YDZB when carrying out 3 way direction operation Insulation kit for High humidity UTEKXGG External connect kit UTY XWZX For control input output port Fresh air intake kit UTZ VXAA To take fresh air Wired remote controller is recommended using simultaneous twin or triple connection 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 Z WARNING 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 En 2 CAUTION 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 fail or the unit to leak water Area filled with mineral oil or containing a large amount of splashed oil or
46. p control system some functions may no longer be available If 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 It should not be connected to any other Gr that is not of the same series A G only Standard Standard Simultaneous Simultaneous pair pair twin triple Outdoor Outdoor Outdoor Outdoor unit unit 2 unit 3 unit 1 7 Remote Indoor Indoor Indoor Indoor Indoor Indoor Indoor controller unit unit unit unit unit junit Junit r HH n 7 R C address DIP switch setting 00 01 02 1 03 04 05 06 p F t 4j 4 a 1 1 1 1 1 1 Refrigerant circuit 1 1 1 address setting 1 1 1 Function number 02 00 01 02 02 03 03 03 1 1 1 1 1 1 Bia zw asset m as a Efe et Las ae ee ete I con SI ede 1 1 1 Primary Secondary setting 1 Function number 51 1 00 00 00 01 00 01 01 J Transmission cable Power supply cable 7 Power supply cable Remote controller cable Bus wire 8 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 remo
47. property Read carefully all security information before use or install the air conditioner N CAUTION 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 opera ting on all wires with a distance between contact of 3mm for this unit En 1 N WARNING 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 to fall water leakage electric shock or fire The 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 Description Operating
48. r installation can cause rupture or injury Furthermore it can cause serious accidents such as water leakage electric shock or fire Tool name Changes 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 Gauge manifold To increase pressure resistance the hose material 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 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 755 mmHg Charging hose Vacuum pump 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 Gas leakage detector Special gas leakage detector for R410A refrigerant 2 3 Accessories This mark indicates procedures which if improperly per formed might possibly result in personal harm to the user or damage to
49. r windows or by noise 5 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 4 INSTALLATION DIAGRAM 7 Outdoor unit should be set to a place where both drainage and itself will not be af fected when heating INDOOR UNIT When there are obstacles at the back side ES ey S OUTDOOR UNIT D gt Power supply se cable S S N When there are obstacles at the back and front sides 5 cm or over Bolt Fix securely with bolts on a solid i N block Use 4 sets of commercially Block available M10 bolt nut and washer Do not directly install it on the ground otherwise it will cause failure When there are obstacles at the back side s and top Drain hose En 3 CAUTION When the outdoor temperature is 0 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 pede
50. ration 2 Will noise wind or drain water from the unit disturb the neighbors 3 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 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 8 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
51. re adjustment timer air flow switching and other remote controller unit operations 2 Air filter removal and cleaning and how to use the air louvers 3 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 En 14 13 ERROR CODES f you use a wireless remote controller the lamp on the photo detector unit will output error codes by way of blinking patterns If you use a wired type remote controller error codes will appear on the remote controller display See the lamp blinking patterns and error codes in the table An error display is displayed only during operation Error display Wired OPERA TIMER ECONO remote Description TION lamp lamp MY lamp Controller green orange green Error code Serial communication error e 1 e o I Wired remote controller em 2 S ic communication error Check run unfinished e 1 e 5 o IE R C address or Refrigerant circuit 2 1 o e address setting error Simultaneous Multi Indoor unit capacity error e 2 e 2 o ee pay Combination error 2 e 3 o e j Connection R C address error indoor secondary unit Simulta
52. 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 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
53. round entire perimeter 2 Connect the connector Wire display WHITE Wire louver WHITE Wire louver RED Connector cover 7 3 Attach the intake grille The installation is the reverse of REMOVING THE INTAKE GRILLE The intake grille can be rotated and installed 4 ways to suit the user s preference Z CAUTION The louver angle cannot be changed if the power is not on If moved by hand it may be damaged The grille assembly is directionally relative to the air conditioner body Install so that there is no gap between the grille assembly and the air conditioner body The cassette grille equips with an accessory to prevent the grill completely open Be sure to read the INSTALLATION SHEET included with the cassette grille before instal lation 8 FUNCTION SETTING Z 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 la
54. ructions 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 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 avail
55. s through it at 20 Before starting work check that power is not being supplied to all poles of the indoor unit and outdoor unit Connect the connection pipes according to 5 3 Connecting the piping in this installation Install all electrical works in accordance to the national standard manual Install the disconnect device with a contact gap of at least 3 mm in all poles nearby the units Both indoor unit and outdoor unit Install the circuit breaker nearby the units En 2 3 SELECTING THE MOUNTING POSITION With considering written conditions below select an appropriate installing location in consultation with the customer 600mm or more 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 lt v e N CAUTION 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 i If the space is larger than that is stat
56. se 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 4 requiremen EUCH SITE afs Elecite 2 8 Selecting pipe sizes AN CAUTION The diameters of the connection pipes differ according to the capacity of the indoor unit Refer to the following table for the proper diameters of the connection pipes between the Be sure to install a breaker of the specified capacity indoor and outdoor units 3 Gas pipe size Liquid pipe size icra of cables and breaker differs from each locality refer in accordance with Capacity of indoor unit thickness mm eneen Voltage rating 1 230 V 50 Hz Operating range 198 264 V AN CAUTION Operation cannot be guaranteed if the correct combination of pipes valves etc is not CAUTION The power source capacity must be the sum of the air conditioner 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 Cable Cable size mm Type Remarks used to connect the indoor and outdoor units Type 60245 2cable Earth Power supply cable IEC66 Ground 19230V 2 9 Heat insulation around connect
57. stal or place the unit on a high stand local configured 5 1 Outdoor unit installation 5 INSTALLATION Connector cover removal e Remove the tapping screw T 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 Control line N Power L 3 2 3 EARTH O EARTH GROUND Q GROUND E 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 t
58. t of the body Use the attached drain hose assembly to connect the drain piping Note Install the drain pipe Install the drain pipe with downward gradient 1 50 to 1 100 and so there are no rises or traps in the pipe Use general hard polyvinyl chloride pipe VP25 outside diameter 32mm and connect it with adhesive polyvinyl chloride so that there is no leakage When the pipe is long install supporters Do not perform air bleeding Always heat insulate indoor section of drain pipe If itis impossible to have sufficient gradient of pipe perform drain lift up Pipe size Drain pipe VP25 O D 32 mm Hanging fittings 1 5to2m a LLLLLILLLLLL LL y pe VP25 O D 32 mm 1 Downward gradient 1 100 to 1 50 7 PROHIBITED 1 1 Rise Trap Air bleeding When lifting up drain Height of inclined pipe should be less than 700 mm from the ceiling A rise dimension over this range will cause leakage Lift up the pipe vertically at the position of 300 mm or less from the unit Downward gradient 1 100 to 1 50 VP25 O D 32 mm l ocal arrangement 300 mm or less 700 mm or less Horizontal or upward gradient VP30 O D 38 mm or more Downward gradient 1 100 to 1
59. t than this correct operation cannot be guaranteed 2 6 Limitation of refrigerant piping length Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner Pipe length Maximum height S between indoor and outdoor 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 2 7 Additional charge Install a leakage circuit breaker in accordance with the related laws and regulations Refrigerant suitable for a piping length of 15 m is charged in the outdoor unit at the factory and electric company standards When the piping is longer than 15 m additional charging is necessary mE aa oa lt For the additional amount see the table below The circuit breaker is installed in the permanent wiring Always use a circuit that can Pipe length amm sm trip all the poles of the wiring and has an isolation distance of at least 3 mm between Radios 106 Lm orn the contacts of each pole Adaitional amount None 10g 200g soog 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 if the units are further apart than the
60. tal extended length in the system of the group Total length of bus wire and remote controller 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 of the outdoor unit or branch box Erroneous wiring may cause burning of the electric parts Securely connect the connec
61. te controller 1 Wiring method indoor unit to remote controller Indoor unit Remote controller cable NN When earth ground wire is necessary 11213 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 DIP SW 1 No 2 Primary unit OFF Secondary unit ON 9 TEST RUN CHECK ITEMS 1 Is operation of each button on the remote controller 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 error noise and vibration during operation Do not operate the air conditioner test run for a long time CHECKING DRAINAGE To check the drain remove the water cover and fill with 1 liter of water as shown in the figure The drain pump operates when operating in the cooling mode Drain pipe Wire cover Screw Watering pot 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 button on the remote controller while the air con
62. there been a check for gas leaks refrigerant pipes Has heat insulation work been completed Does water drain easily from the indoor units Are the wires and pipes all con No cooling No heating Water leakage Water leakage 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 any obstacles After installation is completed has the proper operation and handling been explained to the user 11 OPTIONAL KIT INSTALLATION OPTION N WARNING Regulation of cable differs from each locality refer in accordance with local rules No cooling No heating This air conditioner can be connected with the following optional kits Option type Connector No Fresh air intake CN6 External input CN102 External output CN103 Wired Remote Controller Fresh air intake kit 5 5 1 CN6 9 26 Lone o o 6 i M rJ J E o CN103 os A es Jn External input ki External output kit Wired Remote Controller 12 CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual 1 Starting and stopping method operation switching temperatu
63. tion 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 ground leakage breaker In addition install the earth 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 Always connect the earth ground wire Improper earthing 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 Stress placed on the terminals 4 Use an appropriate screwdriver to tighten
64. tion conditions using the remote controller The settings may be selected between the following two Function Number or Setting Value Settings will not be changed if invalid numbers or setting values are selected Refer to the installation manual enclosed with the remote controller when the wired remote controller option is used 8 1 Operation method While pressing the FAN button and SET TEMP 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 SELECTING THE REMOTE CONTROLLER SIGNAL CODE 1 Press the SET TEMP A button to change the signal code between H hb c d Match the code on the display to the air conditioner signal code initially set to HR 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 TIMERMODE
65. tment 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 FS Wrench fixed Flare nut 1 E S gt To prevent gas leakage coat the flare Connection pipe surface with refrigerator oil Indoor unit pipe Table 1 Flare nut size and tightening torque 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 15 88 5 8 dia 19 05 3 4 dia 49 to 61 490 to 610 63 to 75 630 to 750 90 to 110 900 to 1100 Table 2 Pipe outside diameter mm in Flare tool for R410A clutch type 6 35 1 4 9 52 3 8 12 70 1 2 0 to 0 5 15 88 5 8 19 05 3 4 N CAUTION 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
66. triple indoor units can be switched ON OFF simultaneously 1 Wiring method Refer to 5 ELECTRICAL WIRING for wiring procedure 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 D unit primary secondary Triple type 18type only Outdoor unit Remote Indoor controller unit primary My Power supply cable Bus wire 9 Transmission cable Power supply cable Remote controller cable 2 Set the R C address DIP switc h 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 Ae it Example address 02 mn 1 172 3 Indoor unit R C address DIP SWITCH No 1 2 3 4 9 00 OFF OFF OFF OFF 01 OFF OFF 02 OFF ON OFF OFF DIP switches 4 Circuit board in NOTE he contro Be sure to set the R C address sequentially
67. uirement CAUTION 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 Use pipe with water resistant heat insulation CAUTION Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation with heat resistance above 120 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 8096 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 045W m k or less at 20 4 3 Flare connection pipe connection 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 tool Leakage of r
68. ve temp sensor error 9 way valve temp sensor error Heat sink temp sensor error e 7 o 1 1 Sub cool Heat Ex gas inlet temp sensor error 99 g 80 Sub cool Heat gas outlet temp sensor error Liquid pipe temp sensor error e 8 e 3 o pj Current sensor error e 8 e 4 o B4 Discharge pressure sensor error e 8 e 6 o BB Suction pressure sensor error High pressure switch error Trip detection e 9 e 4 o g Compressor rotor position e 9 e 5 9 g5 detection error permanent stop Outdoor unit fan motor 1 error e 9 7 o 3 Outdoor unit fan motor 2 error e 9 e 8 o BB 4 way valve error 9 o gg Coil expansion valve error 9 e 10 o BR exp Discharge temp error e 10 e o Compressor temp error e 10 e 3 o H3 p p High pressure error e 10 e 4 o H4 gnp Low pressure error e 10 e 5 o AS p Branch boxes error 13 2 4 e Flexible Multi Display mode 0 55 ON 0 55 OFF TIMER Lamp ORANGE OPERATION Lamp GREEN O MANUAL AUTO 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 4 SU MO TJ WE TH FR SA 410 UD 1 Error code EX Self diagnosis AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL INSTALLATION MANUAL For authorized service personnel only

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