INSTALLATION MANUAL
Contents
1. e Installation template Drilling position for bolts Air 377 mm 7000 9000 12000 14000 BTU h 18000 BTU h En 4 3 3A 4 FIX THE UNIT 1 Hang the unit Hanger Hanger bolt NutA Field supply Washer Accessories Nut B Field supply Hanger bolt Nut A Hanger Field supply Washer N Accessories Unit Nut B Field supply ee T a 5 e It might become difficult to open and shut the Cover control box cover when the length exceeds 20mm 2 Leveling Base horizontal direction leveling on top of the unit Ceiling Us Level ZA Sr 3 3B Install the unit Wall mounted type Floor standing concealed type N WARNING Install the air conditioner in a location which can withstand a load do 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 3B 1 UNIT INSTALLATION EXAMPLE Wall mounted type Floor standing concealed type Connect the locally purchased duct 1 Inlet side Connect the duct to the locally purchased inlet flange Connect the flange to the body with the locally purchased tapp2. 4 After checking for drainage attach the Drain hose insulation B 3 to insulate following the instructions as in the figures To avoid space with Drain hose 1 and Hose band Q press firmly the Drain hose insulation B When drain pump is used Ceiling concealed type only Ensure there is no space Ensure there is no space Drain hose insulation B En 9 STEP1 STEP3 Butt the insulation against the unit Unit STEP 1 Press firmly Press firmly J Press firmly STEP 2 Slit Press firmly Press firmly Roll the insulation over the np Q A STEP 3 FINISH Check that there is no gap between the unit and the drain hose insulation When drain pump is used Ceiling concealed type only Do not cover the D Jl panel window When drain pump is not used Natural drainage Do not cover the control box cover Note Check for drainage Pour about 1 liter of water from the position shown in the diagram or from the airflow outlet to the condensate tray Check for any abnormalities such as strange noises and whether the drain pump functions normally SS J N CAUTION Make sure the drain water is properly drained 6 ELECTRICAL WIRING Connection cable Type 60245 IEC57 3Cable Ground 19230V Max Cable Length Limit voltage drop to less than 2 Increase cable gauge if voltage drop is 2 or more N WARNING Electrical work
3. s ene Compressor temp error e e o H3 i P High pressure error e 10 e o AY Low pressure error eno eO AS i I Branch boxes error e 13 e o d Flexible Multi Display mode 0 5s ON 0 5s OFF 0 1s ON 0 1s OFF Number of flashing 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 SU MO TU WE 4104 DD i i EX Self diagnosis En 18
4. 5 INSTALLING DRAIN PIPES 5 1A Installing drain pipes Ceiling concealed type Use general hard polyvinyl chloride pipe and connect it with 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 Table A Do not perform a rise trap and air bleeding Provide a downward gradient 1 100 or more Provide supports when long pipes are installed Usean 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 Table A O D 32 mm VP25 Drain pipe CEILING CONCEALED TYPE Use Drain Pump Drain hose x mE EE EIS Trap Outlet air ne OK Drain cap NO GOOD NO GOOD Rise Arrange the drain hose lower than this port Supporter Air bleeding m di E NO GOOD 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 32 mm and connect it with adhesive polyvinyl chloride so that there is no leakage When the pipe is long Install supports Do not perform air bleeding Always heat insulate the indoor side of the drain pipe Gap of 1 5 2 m Z T Z Supporter Max Z 300 mm VP25 O D 32 mm or more Locally arranged p
5. Accessories Opening this knockout hole Bushing Accessory of optional parts Auto louver grille cable En 17 11 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 lamps on the IR receiver unit will output error codes by way of blinking patterns See the lamp blinking patterns and error codes in the table below An error display is displayed only during operation Error display Wired OPERATION TIMER ECONOMY remote Description lamp lamp lamp controller green orange green Error code II Serial communication error e 1 e 1 I 1 2 o Ig Wired remote controller e e communication error Check run unfinished e e6 o i5 Unit number or Refrigerant circuit 2 1 c I address setting error Simultaneous Multi e 2 e 2 o ee Indoor unit capacity error e 2 e 3 o ei Combination error Connection unit number error indoor slave unit Simultaneous Multi 2 4 c e e M Connection unit number error indoor unit or branch unit Flexible Multi 1 Master unit slave unit set up e 2 e o e error Simultaneous Multi Indoor unit PCB model e 3 e 2 o je information error e 3 e 5 o 35 Manual auto switch error I Room temp sensor error e e o M Ind
6. OFF 04 OFF OF ON OFF 05 ON OFF ON OFF 06 OFF ON ON OFF 07 ON ON ON OFF 08 OFF OF OFF ON 09 ON OFF OFF ON 10 OFF ON OFF ON 2 11 ON ON OFF ON 3 12 OFF OF ON ON 13 ON OFF ON ON 5 14 OFF ON ON ON 15 ON ON ON ON 7 5 2 Dual remote controllers 2separate remote controllers can be used to operate the indoor units The timer and self diagnosis functions cannot be used on the slave units 1 Wiring method indoor unit to remote controller Indoor unit Remote controller cable Remote controller 2 Remote controller DIP switch 1 setting Set the remote controller DIP switch 1 No 2 according to the following table Number of remote controllers ma or j 2o or 9 j En 15 8 TEST RUN N CAUTION Always turn on the power 12 hours prior to the start of the operation in order to ensure compressor protection 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 abnormal noise and vibration during operation Do not operate the air conditioner in test run for a long time OPERATION METHOD Forthe operation method refer to the operating manual 1 Stop the air conditioner operation 2 Press the master control button and the fan control button simultaneously for 2 seconds or more to start the test run
7. Outlet Insulation material Field supply Aluminum tape Flange Field supply Intake grille d Duct k Field supply Field supply Side Inlet Side Outlet Duct Flange Field supply Aluminum tape Tapping screw for flange connection a M5 x 10mm Field supply Insulation material Field supply Aluminum tape Flange Field supply Air Duct Intake grille Field supply Field supply Air Bottom Inlet Side Outlet Duct Field supply Intake grille Field supply Outlet side Inlet side __ 7000 9000 12000 14000 BTU h 18000 BTU h Ea P200x2 400 mm P200x3 600 mm N CAUTION correct temperature cannot be detected Be sure to install the air inlet grille and the air outlet grille for air circulation The cannot be removed by only hand operation without tool Grills must be fixed so that man cannot touch indoor unit fan and exchanger and Be sure to install the air fi Iter in the air inlet performance may decrease If the air fi Iter is not installed the heat exchanger may be clogged and its 3 3A 2 INSTALL THE FILTERS Install the filters to the unit S Filter Accessories Unit Filter k lt 3 3A 3 DRILLING HOLES FOR BOLTS AND INSTALLING THE BOLTS Using the installation template drill holes for bolts 4 holes
8. S FAN oo MODE a ge Test run display 3 Press the start stop button to stop the test run If CO appears in the unit number display there is a remote controller error Refer to the installation manual included with the remote controller Unit number Emorcoe Content 0 15 incompatible indoor unitis connected indoor unit is connected 0 te Indoor unit remote controller communication error Using the wireless remote controller for test run Option Forthe 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 wireless remote controller while the air conditioner is running Point the transmitter section of the wireless 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 Toend test operation press the wireless remote controller START STOP button When the air conditioner is run by pressing the test run button the OPERATION indicator lamp and TIMER indicator lamp will simultaneously flash slowly 9 OPTIONAL PARTS N 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 installation manual for the method of installing optiona
9. illustration below SS Bu OK NO GOOD 10 mm or less NO GOOD 10 mm or less N CAUTION Leave a space of 100 mm or more between the inlet port and the ceiling Fasten the unit securely with Special nuts A and B En 5 Screw Model M5 7000 9000 12000 14000 BTU h 9 18000 BTU h 11 3 3B 2 INSTALL THE FILTER Install the filters Accessories to the unit Unit Filter k s Replace drain cap 10 mm or less OK NO GOOD 10 mm or less OK NO GOOD N CAUTION Fasten the unit securely with Special nuts A and B 4 PIPE INSTALLATION N CAUTION N CAUTION Set 7 4 Jumper wire setting of Drainage function setting JM1 Drain pump cannot be used if it is installed in wall mounted type floor standing concealed type Be careful that foreign matter oil water etc does not enter the piping 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 3 3B 3 INSTALLING THE UNIT 1 Fixing method of the unit To prevent overturning fix the unit to the floor or the wall To avoid the vibration of the unit ins
10. indoor unit by operating the control unit converter or external input device and then cut the breaker Make sure to operate through the control unit converter or external input device When the breaker is designed locate it at a place where the users cannot start and stop in the daily work En 1 This mark indicates procedures which if improperly performed might possibly result in personal harm to the user or damage to Z CAUTION property 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 differential breaker in order to protect the persons The units are not explosion proof and the
11. more 20mm 20mm or more or more 3 3A Installation the unit Ceiling concealed type 150 mm or more 400 mm or more 300 mm or more Z 20 mm or more rob 20 mm or more F Service access 240 mm or more d Ceiling 2500 mm or more When no ceiling Floor Z Adjust the wind direction in the room depending on the shape of blow out opening Service access g Unit ly m Control WA box Dj VY Eo Eo S o of of 5 eu 400 mm Z or more Service space En 3 N WARNING Install the air conditioner in a location which can withstand a load do 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 f the job is done with the panel frame only there is a risk that the unit will come loose Please take care 3 3A 1 UNIT INSTALLATION EXAMPLE CEILING CONCEALED TYPE Connect the locally purchased duct 1 Inlet side Connect the duct to the locally purchased inlet flange Connect the flange to the body with the locally purchased tapping screws Wind the inlet flange connecting to the duct with the aluminum tape etc to avoid the air discharge N CAUTION When the duct is connected to inlet side remove contained filter and surely at
12. remote controller wires do not overtighten the screws Cannot be used Do not change Example ple Remote controller cable Dual remote controller setting Refer to 2 DUAL REMOTE CONTROL LERS in 7 5 Special Installation Methods Connector Box Cannot be used Do not change Rear case Do not change Cannot be used Do not change Memory backup setting Set to ON to use batteries for the memory Validity backup If batteries are not used all of the settings stored in memory will be deleted if there is a power failure Wrap the connector and remote controller wires with vinyl tape or some other type of insulation as shown in the figure Cannot be used Remote controller Factory setting En 12 7 3 Function setting This procedure changes the function settings used to control the indoor unit according to the installation conditions Incorrect settings can cause the indoor unit to malfunction This procedure should be performed by authorized installation or service personnel only Perform the FUNCTION SETTING according to the installation conditions using the remote controller Refer to the indoor unit installation manual for details on the function numbers and setting values 1 Pressthe SET TEMP buttons V A and FAN button simultaneously for more than 5 seconds to enter the function setting mode GO FAN r SETTEMP nn oog LI LI
13. supply cable and transmission cable remote controller cable together Separate these cable by 50 mm or more Bundling these cables together will cause miss operation or breakdown When handling PCB static electricity charged in the body may cause malfunction of the PCB Follow the cautions below Establish a ground for the indoor and outdoor units and peripheral devices Cut power breaker off Touch metal part of the indoor and outdoor units for more than 10 seconds to discharge static electricity charged in the body Do not touch terminals of parts and patterns implemented on PCB 1 Use ring terminals with insulating sleeves as shown in the figure below to connect to he terminal block 2 Securely clamp the ring terminals to the cables using an appropriate tool so that the cables do not come loose 3 Use the specified cables 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 for the terminal screw tightening torques 7 Please do not fix 2 power supply cables with 1 screw Screw with spe S washer Ring terminal Ring
14. to clean the filter Select the ime setting for the filter sign display interval in the table below according to the amoun 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 Factory setting Setting description qu Setting value number Standard 400 hours 00 Long interval 1000 hours 01 11 Short interval 200 hours 02 No indication 03 2 Static pressure Select appropriate static pressure according to the installation conditions Factory setting Setting description n Setting value 0 Pa 00 10 Pa 01 20 Pa 02 30 Pa 03 40 Pa 04 50 Pa 26 05 60 Pa 06 70 Pa 07 80 Pa 08 90 Pa 09 25 Pa Standard 31 Range of static pressure is different from 1 model to other Range of static pressure 0 to 90 Pa 3 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 Factory setting Setting description eda Setting value Standard 00 Slightly lower control 01 Lower control a 02 Warmer control 03 When using floor console installation change the setting value to 01 4 Heating room temperature correction Depending on the installed environm
15. unit for special purposes such as storing food raising animals growing plants or preserving precision devices or art objects It can degrade the quality of the preserved or stored objects Do not install where there is the danger of combustible gas leakage Do not install the unit near a source of heat steam or flammable gas Install the unit where drainage does not cause any trouble 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 conditions En 2 N CAUTION If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit Decide the mounting position with the customer as follows 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 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 T 8 9 Take servicing etc into consid
16. 2 Press the SET BACK button to select the indoor unit number SET BACK CQ SU MO TU WE TH FR SA ri Li Unit number of INDOOR UNIT 3 Press the SET TIME lt gt buttons to select the function number e gt 4 TU WE TH FR SA Function number 4 Press the SET TEMP buttons V to select the setting value The display flashes as shown to the right during setting value selection f SET TEMP p SU Tu WE TH FR SA Hs z n P N 4 Lt E T T a ANo Setting value 5 Press the TIMER SET button to confirm the setting Press the TIMER SET button for a few seconds until the setting value stops flashing If the setting value display changes or if is displayed when the flashing stops the setting value has not been set correctly An invalid setting value may have been selected for the indoor unit 6 Repeat steps 2 to 5 to perform additional settings Press the SET TEMP buttons V A and FAN button simultaneously again for more than 5 seconds to cancel the function setting mode In addition the func tion setting mode will be automatically canceled after 1 minute if no operation is performed 7 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again En 13 Function Details 1 Filter Sign The indoor unit has a sign to inform the user that it is time
17. AIR CONDITIONER INDOOR UNIT Duct 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 E XEIPIAIO ETKATAZTAZHZ iq EEOQUDIOOOTNHEVO rrpoourriK o pBi MANUAL DE INSTALA AO Apenas para t cnicos autorizados PYKOBORHRCTBO MNO YCTAHOBKE na yrIOJ IHOMOHeHHOTDO riepcoHaria KURULUM KILAVUZU Yetkili servis personeli icindir PART NO 9374815173 04 T rkce Pyccku Portugu s EAAnvika Italiano Espanol Frangais Deutsch English INSTALLATION MANUAL PART NO 9374815173 04 INDOOR UNIT Duct Type Contents 1 SAFETY PRECAUTIONS iter E A epa te p Pe IER pneu 1 2 ABOUT THE UNIT 2 1 Precautions for using the R410A refrigerant nes 1 2 2 Special tool for R410A 2 3 Accessories 2 4 Optional parts x nein eren E iie dee rr Stade er tee 2 3 INSTALLATION WORK 3 1 Selecting an installation location uu U u u uuu u us 2 3 2A Installation dimensions Ceiling concealed type eeses 3 3 2B Installation dimensions Wall mounted type Floor standing concealed type 3 3 3A Installation the unit Ceiling concealed ty
18. 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 connection cables to the terminal board In addition secure the cables with wiring holders Improper connections either in the wiring or at the ends of the wiring can cause a malfunction electric shock or fire Always fasten the outside covering of the connection cable with the cable clamp If the insulator is chafed electric leakage may occur 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 cable Improper grounding work can cause electric shocks Install the remote controller cables so as not to be direct touched with your hand Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively Connect the connection cable firmly to the terminal board Imperfect installation may cause a fire N CAUTION Ground the unit Do not connect the earth cable to a gas pipe water pipe lightning rod or a telephone earth cable Improper grounding may cause electric shock Do not connect power supply cables to the transmission or remote controller terminals as this will damage the product Never bundle the power
19. 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 En 7 4 3 3 Pipe connection N CAUTION Be sure to install the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot tighten smoothly If the flare nut is forced to turn the threads will be damaged Do not remove the flare nut from the indoor unit pipe until immediately before connecting the connection pipe Hold the torque wrench at its grip keeping it at a right angle with the pipe in order to tighten the flare nut correctly Tighten the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causing refrigerant to leak and generate a hazardous gas if the refrigerant comes into contact with a flame Connect the piping so that the control box cover can easily be removed for servicing when necessary In order to prevent water from leaking into the control box make sure that the piping is well insulated When the flare nut is tightened properly by your hand hold the body side coupling with a separate spanner then tighten with a torque wrench See the table below for
20. control input output port External control set Auto louver grille UTD G S W Air outlet grille with auto louver 3 INSTALLATION WORK 3 1 Selecting an installation location 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 N WARNING Select installation locations that can properly support the weight of the indoor Install the units securely so that they do not topple or fall N CAUTION Do not install the 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 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 use the
21. d do not discard any other accessories until the installation work has been completed Do not discard any accessories needed for installation until the installation work has been completed Name and Shape Application Operating Manual Installation Manual This book For positioning the indoor unit m For installing indoor unit Installation template Coupler heat insulation Large For indoor side pipe joint Large pipe Coupler heat insulation Small For indoor side pipe joint Small pipe 1 1 1 1 1 Medium For power supply and 3 transmission and remote controller cable binding D Large For fixing the coupler heat 4 insulation Filter Small 2 7000 9000 12000 14000 BTU h Filter Big 2 18000 BTU h Drain hose 1 For installing drain pipe VP25 O D 32 D 25 Name and Shape Drain hose insulation B Application For installing drain hose Insulates the drain hose Wired Remote Controller Remote Controller Cable For connecting the remote controller Tapping screw M4 x 16 mm For installing the remote controller 2 4 Optional parts Wired remote controller UTY RNN M For air conditioner operation Simple Remote Controller UTY RSN M For air conditioner operation Application IR Receiver Unit UTY LRH M For the wireless remote controller Remote sensor unit UTY XSZX Room temperature sensor UTD ECSS5A For
22. door drain pipe 5 2 Install the drain pipe 1 Be sure to use supplied Drain hose and Hose band Hose band D Drain hose Drain Hard PVC side hole When drain pump is used Ceiling concealed type only Hose band i eames 4 mm or less 20 mm When drain pump is not used Natural drainage Applying area of Joint pipe adhesive Field supply Drain pipe VP25 Field supply 4 mm or less N CAUTION When drain pump is not used do not connect the accessory drain hose and soft PVC hose directly En 8 2 Be sure to insert Drain hose to the very end of the Drain pan of the unit with no space Applying area of adhesive Joint pipe Field supply Drain pipe VP25 Field supply 4 mm or less Drain hose Hose band Fasten the Hose band at the position where vertical against ground The Hose band must be positioned at the right side of the Drain hose D as in the figure N CAUTION Do not connect to the Drain hole with adhesive Using adhesive may cause damage and water leaks 3 After installing the Drain hose CD check if the drainage is smooth When drain pump is not used Natural drainage Downward gradient 2 5 5 0 mm N CAUTION To prevent excessive force on Drain hose D avoid bends or twists To bend or twist may cause water leaks
23. ent the room temperature sensor may require a correction The settings may be changed as shown in the table below Factory setting Setting description DOR Setting value Standard 00 Lower control 01 Slightly warmer control 02 Warmer control 03 When using floor console installation change the setting value to 01 5 Auto restart Enable or disable automatic system restart after a power outage Factory setting sT Function z Setting description a Setting value Yes 00 pp 40 No 01 Auto restart is an emergency function such as for power failure etc Do not start and stop the indoor unit by this function in normal operation Be sure to operate by the control unit or external input device 6 Indoor room temperature sensor switching function Only for Wired remote controller The following settings are needed when using the Wired remote controller temperature sensor Factory setting 2 er Function Setting description Pannen Setting value No 00 pe 42 Yes 01 f setting value is 00 Room temperature is controlled by the indoor unit temperature sensor f 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 co
24. equirement N CAUTION Refer to the Installation Manual of the outdoor unit for description of the length of connecting pipe or for difference of its elevation Use pipe with water resistant heat insulation N CAUTION Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation with heat resistance above 120 C Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant piping If the expected humidity level is 70 80 96 use heat insulation that is 15 mm or thicker and if the expected humidity exceeds 80 use heat insulation that is 20 mm or thicker If heat insulation is used that is not as thick as specified condensation may form on the surface of the insulation In addition use heat insulation with heat conductivity of 0 045 W m K or less at 20 C 4 3 Flare connection Pipe connection N WARNING Tighten the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causing refrigerant to leak and generate a hazardous gas if the refrigerant comes into contact with a flame 4 3 1 Flaring Use special pipe cutter and flare tool exclusive for R410A 1 Cut the connection pipe to the necessary length wi
25. erant use dedicated tools and piping materials that have been manufactured specifically for RA10A use Because the pressure of the R410A refrigerant is approximately 1 6 times higher than the R22 failure to use dedicated piping material or improper installation can cause rupture or injury Furthermore it can cause serious accidents such as water leakage electric shock or fire Tool name Contents of change Pressure is huge and cannot be measured with a conventional gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range 0 1 to 5 3 MPa and a low pressure display range 0 1 to 3 8 MPa Gauge manifold To increase pressure resistance the hose material and base Charging 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 2 3 Accessories 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 an
26. eration and leave the spaces Also install the unit where the filter can be removed Install the unit where the drain pipe can be easily installed 3 4 5 6 Install the unit where the connection pipe can be easily installed 7 8 Install the unit where noise and vibration is not amplified 9 3 2A Installation dimensions Ceiling concealed type Provide a Service access for inspection purposes Do not place any wiring or illumination in the service space as they will impede service Installation Dimensions Strong and durable ceiling Z Indoor unit Left Right ELLE t n p A 3 2B Installation dimensions Wall mounted type Floor standing concealed type The wall mounted type floor standing concealed type requires a temperature correction setting Perform this in 7 3 Function setting 10 mm 10 mm or less or less Right side ES PIPE side Left side Z eibi utu 3 UN Grille d B gs p Inlet air 150 mm 150 mm or more Strong and zzz ormore t Strong and durable floor ZZ 150mm durable floor 400 mm 20mm 20mm or more or more or more or more Z yj Right side PIPE side Z Duct E d Grille Left side 150 zi i Inletai 150mm or more Strong and or more IA durable floor lt 4 lt 150 mm or more Strong and durable floor 400 mm or
27. ert the spacer between the unit and the floor or the wall and fix it 2 Leveling Base horizontal direction leveling on top of the unit res mm Tey i 4 1 Selecting the pipe material Z 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 especially 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 En 6 4 2 Pipe r
28. g Connection terminal and jumper wires Do not bind the power supply cable and other cables together Auto louver grile L 41 JE i AN CAUTION terminal CN11 To protect the cable insulation after opening a knockout hole remove any burrs from the edge of the hole 10 CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual Jumper wires 1 Starting and stopping method operation switching temperature adjustment timer air flow switching and other remote controller operations A 2 Air filter removal and cleaning and how to use the air louvers Cut Jumper wire JM2 Wiring arrangement 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 Bushing Accessory of optional parts returns to signal code A when the batteries in the remote controller are replaced Binder Medium Accessories 4 is applicable to using wireless remote controller LE Y oH 1 gt B B W Sola Sao Bind with this cable Binder Medium
29. ing rrom tempera ture sensor selection The temperature sensor of the indoor unit or the remote controller can be used to detect the room temperature 1 Enable the room temperature sensor selection in FUNCTION SETTING which will be previous page 2 Press the THERMO SENSOR button for 5 seconds or more to select the temperature sensor of the indoor unit or the remote controller A B Indoor unit NOTES If the function to change the temperature sensor is used as shown in examples A other than example B be sure to lock the detection location If the function is locked the lock display will flash when the THERMO SENSOR button is pressed Jumper wire setting 1 Drainage function setting JM1 If contained drain pump is not used set the drainage function to Invalid in the drainage function switching f contained drain pump is not use When used under WALL MOUNTED TYPE FLOOR STANDING CONCEALED TYPE When used in natural drainage under CEILING CONCEALED TYPE Factory setting JM1 Drainage function Connect Valid Disconnect Invalid 2 Auto louver grille setting JM2 Optional parts Factory setting JM2 Auto louver grille setting Connect Invalid Disconnect Valid 3 Fan delay setting JM3 It is a function to delay the stop of cooling fan when the air conditioner is stopped Facto
30. ing screws Wind the inlet flange connecting to the duct with the aluminum tape etc to avoid the air leakage N CAUTION When the duct is connected to inlet side remove contained filter and surely attach locally purchased filter at inlet opening 2 Outlet side Connect the duct with adjusting inside of outlet flange Wind the outlet flange connecting to the duct with the aluminum tape etc to avoid the air discharge Insulate the duct to avoid the dew condensation N CAUTION Check that duct work does not exceed the range of external static pressure of equipment Make sure to insulate ducts to avoid the dew condensation Make sure to insulate between ducts and walls if metal ducts are used Please explain handling and washing methods of locally purchased materials to the customer To prevent people from touching the parts inside the unit be sure to install grilles on the inlet and outlet ports The grilles must be designed in such a way that cannot be removed without tools When connecting the duct to the outlet port of the indoor unit be sure to insulate the outlet port and the installation screws to prevent water from leaking around the port Set the static pressure outside the unit to 90 Pa or less the allowable range is between 0 and 90 Pa Remove the screws and then remove cover and fan guard Install the cover with the screws as shown in the
31. ipe 700 mm or less Horizontal or upward gradient Air bleeding Rise Z 77 t g Cl Observe the following procedures to construct centralized drain pipe fittings E BAD Z VP30 or more O D 38 mm or more Downward gradient 1 100 or more 700 mm or less Z N WARNING Do not insert the drain piping into the sewer where sulfurous gas occurs Heat exchange erosion may occur Insulate the parts properly so that water will not drip from the connection parts Check for proper drainage after the construction by using the visible portion of transparent drain port and the drain piping final outlet on the body N CAUTION Do not apply adhesive agent on the drain port of the body Use the attached drain hose and connect the drain piping 5 1B Installing drain pipes Wall mounted type Floor standing concealed type w Trap Rise OK NO GOOD NO GOOD N CAUTION Drain pump cannot be used if it is installed in wall mounted type floor standing concealed type Set 7 4 Jumper wire setting of Drainage function setting JM1 Be sure to connect the pipes for drainage without leakage To avoid condensation and dripping always insulate the in
32. l parts Wired remote controller Simple remote controller External connect kit Remote sensor unit R Receiver unit Auto louver grille 9 1 Wired remote controller Simple remote controller Please refer to 6 ELECTRICAL WIRING and 7 REMOTE CONTROLLER SETTING 9 2 External input and external output Connection methods Wire modification Optional parts External input Use a tool to cut off the terminal on the end of the output wire wire and then remove the insulation from the cut end of the wire Connect the wire with connecting wire with solder ZL suat connection Cable Field supply Important Be sure to insulate the connection between the wires Connection terminals Output terminal CN103 1 Input No Voltage terminal CN102 H Wiring arrangement Binder Medium Accessories a ICA gy ll Bind with this cable 9 3 Remote sensor Optional parts Connection method Connection terminals OF Teaco lene EE Remote sensor terminal CN8 i x o B E Wiring arrangement Binder Medium Accessories m EE UM O ol iD o g Bind with this cable Remove the exis
33. 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 For wiring use the prescribed type of cables connect them securely making sure that there are no external forces of the cables applied to the terminal connections Improperly connected or secured cables can cause serious accidents such as overheating the terminals electric shock or fire 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 Use the included connection 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 Do not modify the power cables use extension cables or use any branches in the wiring Improper connections insufficient insulation or exceeding the allowable current can cause electric shock or fire Match the terminal block numbers
34. ntrollers Factory setting E Um Function 3 Setting description IHRE Setting value A 00 B 01 44 C 02 D 03 8 External input control Operation Stop mode or Forced stop mode can be selected Factory setting Setting description Pi Setting value Operation Stop mode 00 Setting forbidden 46 01 Forced stop mode 02 Setting record e Record any changes to the settings in the following table seng SetingVaue T Fiter sign pcc G Smicpesue o oS 3 Cooling room temperature correction o 4 Heating room temperature correction lt J 5 Auto restart 1 6 Indoor room temperature sensor switching func tion 7 Wireless remote controller signal code eO 8 External input control eo After completing the FUNCTION SETTING be sure to turn off the power and turn it on again SETTING THE ROOM TEMPERATURE DETECTION LOCATION The detection location of the room temperature can be selected from the following 2 examples Choose the detection location that is best for the installation location A Indoor unit setting factory setting The room temperature is detected by the indoor unit temperature sensor 1 When the THERMO SENSOR button is pressed the lock display flashes because the function is locked at the factory A m x enum B Indoor unit remote controller sett
35. oor unit Heat Ex Middle temp ed ee de sensor error I Indoor unit fan motor error e 5 e o 5 e 5 e 3 o 53 Drain pump error Damper error e 5 7 Indoor unit error e e Su Outdoor unit main PCB model 6 2 o be information error or communication error e 6 e 3 o 53 Inverter error Active filter error PFC circuit 91 of b M error e 6 e 5 o B 5 Trip terminal L error Display PCB microcomputers e 6 10 BR communication error Discharge temp sensor error e e o 11 Compressor temp sensor error e ea Te 13 Outdoor unit Heat Ex liquid ei 90 d temp sensor error 1 Outdoor temp sensor error e 7 e 4 o i 15 Suction Gas temp sensor error 7 5 f 2 way valve temp sensor error 7 6 16 e 7 o 6 3 way valve temp sensor error 11 Heat sink temp sensor error e 7 e 7 o Sub cool Heat Ex gas inlet temp sensor error 8 2 Hg e 8 et Ld Sub cool Heat Ex gas outlet temp sensor error Liquid pipe temp sensor error e 8 e 3 o B3 quid pip p Current sensor error e 8 e 4 o B4 Discharge pressure sensor error e 8 e 6 Bb Suction pressure sensor error High pressure switch error Trip detection e eu o gy 7 Compressor rotor position e 9 e d g5 detection error permanent stop Outdoor unit fan motor error 9 7 1 4 way valve error e e9 gq Discharge temp error e 10 e o R
36. panel on the front of the remote controller remove the 2 screws indi cated in the following figure and then remove the front case of the remote controller 45 3 U 63 5 83 5 12 5 ir 7 When installing the remote controller remove the connector from the front case The wires may break if the connector is not removed and the front case hangs down 45 T 6 When installing the front case connect the connector to the front case Hole x 2 Front case Hole x 3 ae back side i Rear case Unit mm N CAUTION Install the remote controller wires so as not to be direct touched with your hand Do not touch the remote controller PC board and PC board parts directly with your KU lt CO hands Connector When remote controller cable is concealed 7 2 Setting the dip switches 1 Conceal the remote controller cable 2 Pass the remote controller cable through the hole in the rear case and connect the remote controller cable to the remote controller terminal board specified in figure 3 Clamp the remote controller cable sheath with the binder as shown in figure Example 4 Cut off the excess binder i 5 Install the rear case to the wall box etc with 2 screws figure i Front case back side Set the remote controller DIP switches d Hole 2 White Binder Small When connecting the
37. pe 3 3B Install the unit Wall mounted type Floor standing concealed type 4 PIPE INSTALLATION 4 1 Selecting the pipe material 4 2 Pipe requirement 4 3 Flare connection Pipe connection 4 4 Installing heat insulation toot threaten enean 7 5 INSTALLING DRAIN PIPES 5 1A Installing drain pipes Ceiling concealed type s 8 5 1B Installing drain pipes Wall mounted type Floor standing concealed type 5 2 Install the drain pipe 6 ELECTRICAL WIRING 6 1 Wiring system diagram 6 2 Connection cable preparation d xu 6 3 Connectiorrof WIRING s ciii trt tiere eet tete rere tet metere pte des 7 REMOTE CONTROLLER SETTING 7 1 Installing the remote controller m w12 7 2 Setting the dip switches 7 3 Function setting 7 4 Jumper wire setting 7 5 Special installationzmethods 1 riri taii te usar Inahin periere 15 8 WESTRUNE S L u tr compete et en ers enses eue exe Reset e Ue x masaspa asus 15 9 OPTIONAL PARTS 9 1 Wired remote controller Simple remote controller sss 16 9 2 External input and external output 9 3 Remote sensor Optional parts 9 4 IR Receiver Unit Optional parts 9 5 Auto louver grille Optional parts 9 6 Optional parts cable binding 10 CUSTOMER GUIDANCE 11 ERROR CODES 1 SAFETY PRECAUTIONS Be sure to read this Man
38. refore 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 personnel to repairs When moving consult authorized service personnel for disconnection and installation of the unit 2 ABOUT THE UNIT 2 1 Precautions for using the R410A refrigerant Z WARNING Do not introduce any substance other than the prescribed refrigerant into the refrigeration cycle If air enters the refrigeration cycle the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture If there is a refrigerant leakage make sure that it does not exceed the concentration limit If a refrigerant leakage 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 leakage occurs during operation immediately vacate the premises and thoroughly ventilate the area If the refrigerant comes in contact with a flame it produces a toxic gas 2 2 Special tool for R4 N WARNING To install a unit that uses the R410A refrig
39. rminal board connections firmly with the terminal board screws Faulty connection may cause a fire N 5 F I Remote controller cable 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 Binder Medium Earth both the indoor and outdoor branch box units by attaching a earth cable Accessories Unit shall be grounded in compliance with the applicable local and national cables Power supply cable N 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 specific wiring instructions or limitation 6 2 Connection cable preparation Keep the earth wire longer than the other wires Power supply cable ZZ m s or connection cable 3 Earth wire Use a 4 core wire cable 6 3 Connection of wiring 1 Remove the control box cover from the control box Control box cover Remove the 4 screws and remove the control box cover from the control box En 11 7 REMOTE CONTROLLER SETTING ee UUUUU A A CAUTION When detecting the room temperature using the remote con Temperature troller please set
40. ry setting JM3 Fan delay Connect Invalid Disconnect Valid Switching position Jumper wires cle N Oo En 14 7 5 Special installation methods A 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 7 5 1 Group control system Z CAUTION Group control cannot be used when using it by the multi type A number of indoor units can be operated at the same time using a single remote control ler 1 Wiring method indoor unit to remote controller Indoor Indoor Indoor Indoor unit unit 2 unit 3 unit 4 1 2 3 1 2 3 1 2 3 Bus wire Remote controller cable Remote controller When ground wire is necessary 2 DIP switch setting Indoor unit Set the unit number of each indoor unit using the DIP switches on the indoor unit circuit board See the following table and figure The DIP switches are normally set to make the unit number 00 Indoor unit Unit number DIP SWITCH No 1 2 3 4 00 OFF OFF OFF OFF 01 ON OFF OFF OFF 02 OFF ON OFF OFF 0 03 ON ON OFF
41. tach locally purchased filter at inlet opening 2 Outlet side Connect the duct with adjusting inside of outlet flange Wind the outlet flange connecting to the duct with the aluminum tape etc to avoid the air discharge Insulate the duct to avoid the dew condensation N CAUTION Check that duct work does not exceed the range of external static pressure of equipment Make sure to insulate ducts to avoid the dew condensation Make sure to insulate between ducts and walls if metal ducts are used Please explain handling and washing methods of locally purchased materials to the customer To prevent people from touching the parts inside the unit be sure to install grilles on the inlet and outlet ports The grilles must be designed in such a way that cannot be removed without tools When connecting the duct to the outlet port of the indoor unit be sure to insulate the outlet port and the installation screws to prevent water from leaking around the port ARO7 09 12 14 18 Model Set the static pressure outside the unit to 90 Pa or less the allowable range is between 0 and 90 Pa Replace the cover as follows Remove the screws and then remove cover and fan guard Install the cover with the screws as shown in the illustration below Screw Model ode M5 7000 9000 12000 14000 BTU h 9 18000 BTU h 11 screw M5 Cover Side Inlet Side
42. terminal Sleeve Screw with special washer Ring Cable terminal N Terminal block Cable N WARNING Use ring terminals and tighten the terminal screws to the specified torques otherwise abnormal overheating may be produced and possibly cause heavy damage inside the unit Tightening torque 1 2 to 1 8 Nem 12 to 18 kgf cm En 10 m P 2 Cable connection 6 1 Wiring system diagram Connect the connection cable to the terminal board Connect the remote controller cable to the terminal board Connecti ni cable I outdoorumit or BRANCH BOX j Fix the remote controller cable to the control box cover with a nylon clamp Type 60245 IEC57 i INDOOR UNIT Cable size 1 5 mm OUTDOOR UNIT or TERMINAL Inter unit BRANCH BOX Power lines Remote controller cable 1 Red Power line an gt gt gt 2 White Control line Please connect it to 3 Black the specified terminal L MEM Grounding line ND u Earth Wired remote controller cable Binder Medium Accessories 1 Red 2 White 3 Black Ground the remote controller Please connect it when necessary Indoor Power supply cable unit side N CAUTION Tighten the indoor unit connection cable and power supply indoor and outdoor unit branch box te
43. th 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 Use the special R410A flare tool or the conventional flare tool Leakage of refrigerant may result if other flare nuts are used 4 Protect the pipes by pinching them or with tape to prevent dust dirt or water from entering the pipes Check if L is flared uniformly B and is not cracked or scratched Die Dimension A mm Pipe Sean THE Flare tool for R410A Dimension B4 mm clutch type 6 35 1 4 9 1 9 52 3 8 132 12 70 1 2 0 to 0 5 16 6 15 88 5 8 19 7 19 05 3 4 24 0 When using conventional flare tools to flare R410A pipes the dimension A should be approximately 0 5 mm more than indicated in the table for flaring with R410A flare tools to achieve the specified flaring Use a thickness gauge to measure the dimension A Width across Pipe outside Width across flats flats diameter mm in of Flare nut mm 6 35 1 4 17 E 9 52 3 8 22 N 12 70 1 2 26 N J 15 88 5 8 29 ZF 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 in an angle more than 90 When pipes are repeatedly
44. the flare nut tightening torques Tighten with 2 wrenches Holding wrench Flare nut Torque wrench Indoor unit pipe Body side Connection pipe Flare nut mm in 6 35 1 4 dia Tightening torque N m kgf cm 16 to 18 160 to 180 9 52 3 8 dia 32 to 42 320 to 420 12 70 1 2 dia 49 to 61 490 to 610 15 88 5 8 dia 63 to 75 630 to 750 19 05 3 4 dia 90 to 110 900 to 1 100 4 4 Installing heat insulation Install the heat insulation material after performing a refrigerant leak check see the Installation Manual for the outdoor unit for details 4 4 1 COUPLER HEAT INSULATION Insulate with the coupler heat insulation Accessories around the gas pipe and liquid pipe at indoor unit After installing the coupler heat insulation wrap both ends with vinyl tape so that there is no gap After affixing the coupler heat insulation secure it with 2 binders large one on each end of the insulation Make sure that the binders overlap the heat insulation pipe Coupler heat insulation Accessories Cover this portion with heat insulation Binder Large Heat insulation Accessories N CAUTION 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
45. ting connector and replace it with the remote sensor connector ensure that the correct connector is used The original connector should be insulated to ensure that it does not come into contact with other electrical circuitry Setting for room temperature correction When a remote sensor is connected set the function setting of indoor unit as indicated below Set Function Number 30 Cooling room temperature correction to 01 Set Function Number 31 Heating room temperature correction to 01 9 4 IR Receiver Unit Optional parts Connection method Connection terminals Receiver unit terminal CN13 En 16 Wiring arrangement Binder Medium Accessories 9 6 Optional parts cable binding Binder Air inlet m ESE Eg Bushing Knockout hole Auto louver grille cable Remote controller cable Other optional parts cables Bind with this cable Biniders i Power supply Use 7 pins for receiver unit cable cable Atfirst connect the receiver unit cable to the Receiver unit terminal CN13 BED MU 9 5 Auto louver grille Optional parts Avoid touching the Ceiling ceiling with the wiring Connection method Use an accessory of indoor unit or optional parts for binder 1 I y Use an accessory of optional parts for bushin
46. ual thoroughly 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 This mark indicates procedures which if improperly performed might lead to the death or serious injury of the user NWARNING Request your dealer or a professional installer to install the unit in accordance with this Manual An improperly installed unit can cause serious accidents such as water leakage electric shock or fire If the 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 Except for EMERGENCY never turn off main as well as sub breaker of the indoor units during operation It will cause compressor failure as well as water leakage First stop the
47. up the remote controller according to the sensor following conditions If the remote controller is not located prop p serree START STOP E L J gt erly the correct room temperature will not be detected and thus abnormal conditions like not cooled or not heated will occur even if the air conditioner is running normally i Locate where an average temperature for the room being i air conditioned will be sensed 120 Do not locate directly exposed to the outlet air from the air conditioner Locate out of direct sunlight V n Locate away from the influence of other heat sources Do not touch the remote controller PC board and PC board parts directly with your hands Do not wire the remote controller cable together with or parallel to the connection ca lt 30 gt ae gt bles and power supply cable of the INDOOR UNIT and OUTDOOR UNIT BRANCH e BOX It may cause erroneous operation Hole 23 19 gt When installing the bus wire near a source of electromagnetic waves use shielded wire L EJ Do not set the DIP switches either on the air conditioner or the remote controller in any way other than indicated in this manual that is supplied with the air conditioner Doing so may result in improper operation TA 7 1 Installing the remote controller 45 Open the operation
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