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Installation Manual

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1. Outdoor unit inverter IGBT outdoor unit P C board inverter wiring P26 Q Q ALT Outdoor compressor Short circuit protection for compressor Entire stop Idc activated ple drive circuit devices G Tr IGBT was activated Outdoor unit position Outdoor unit P C board high pressure switch r P29 e AET error Outdoor Compressor motor position error was detected Entire stop Another indoor unit in the group is raising an alarm Entire stop P31 e oO ALT Other indoor unit error Indoor E03 L07 L03 L08 alarm check locations and error nes Auto reset description Q Lighting Flashing OFF The air conditioner automatically enters the auto address setting mode ALT When two LEDs are flashing they flash alternately SIM When two LEDs are flashing they flash in synchronization Receiving unit display OR Orange GR Green 38 38 EN qp S Toshiba XXXXXXX X X 00EH99858901 01EN 4 way IM printOnly book Page 39 Tuesday December 4 2007 2 31 PM EH99858901 Toshiba XXXXXXX X X
2. 4je 13 EN Ie o 00EH99858901_01EN_4 way_IM_printOnly book Page 13 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type E Connecting drain pipe Connect a hard socket procured locally to the hard socket of the attached supplied flexible hose Connect a drain pipe procured locally to the connected hard socket REQUIREMENT Connect hard vinyl chloride pipes securely using an adhesive for vinyl chloride to avoid water leakage It takes some time until the adhesive is dried and hardened refer to the manual of the adhesive Do not apply stress to the joint with the drain pipe during this time period B Drain up When a down gradient cannot be secured for the drainpipe drain up piping is possible The height of the drain pipe must be 850 mm or less from the bottom of the ceiling Take the drain pipe out of the drain pipe joint with the indoor unit in 300 mm or less and bend up the pipe vertically Immediately after the pipe is bent up vertically lay the pipe making a down gradient Setdownward grading immediately after raising up vertically or less o o E m o6 E E o ro c 2 D E Qc Indoor unit Underside of ceiling 13 Installation Manual E Check the draining In the test run check that water drain is properly performed and water does not leak from the connecting part of the pipes Be sure to check dra
3. a i g d 4je UY o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 20 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type B Wiring on the ceiling panel According to the Installation Manual of the ceiling panel connect the connector 20P White of the ceiling panel to the connector CN510 White on P C board of the electric parts box Wiring 1 Remove a screw and then remove cover of the electric parts box 2 Strip wire ends 10 mm 3 Match wire colors with terminal numbers on indoor and outdoor units terminal blocks and firmly screw wires to the corresponding terminals 4 Connect the ground wires to the corresponding terminals 5 Fix the wire with cord clamp Fix cover of the parts box and the terminal block surely with the fixing screws Oo Make a loop on the wire for margin of the length so that the electric parts box can be taken out during servicing LN 10 123 eU Y l 10 sos il EUR M A 70 150 Earth line Connecting wire 20 Installation Manual E Remote Controller Wiring Strip off approx 9mm the wire to be connected Non polarity 2 core wire is used for wiring of the remote controller 0 5mm to 2 0mm wires Wiring diagram Terminal block for remote controller wiring of indoor unit 4 Remote AQ OA controller a S Remote controller wir
4. When a trouble occurred on the air conditioner the trouble history can be confirmed with the following procedure The trouble history is stored in memory up to 4 troubles The history can be confirmed from both operating status and stop status DON OFF FAN MODE SAVE VENT FILTER RESET TEST SET CL SWINGIFIX OJ CF UNIT LOUVER Procedure 1 SET TEST When pushing 5 and buttons at the same time for 4 seconds or more the following display appears If Service check 7 is displayed the mode enters in the trouble history mode 01 Order of trouble history is displayed in CODE No window Check code is displayed in CHECK window Indoor unit address in which an error occurred is displayed in Unit No CODE No m 35 EN 235 E Installation Manual Procedure 2 Every pushing of c cx button used to set temperature the trouble history stored in memory is displayed in order The numbers in CODE No indicate CODE No 01 latest 04 oldest REQUIREMENT Do not push button because all the trouble history of the indoor unit will be deleted Procedure 3 After confirmation push zi button to return to the usual display Toshiba XXXXXXX X X e T L A e 4 way Air Discharge Cassette Type 00EH99858901 0IEN 4 way IM printOnly book Page 36 Tuesday December 4
5. Procedure 3 1 Using temp setup Cv C4 buttons specify CODE No 12 CODE No 12 Line address 2 Using timer time CX 4 buttons change the line address from 3 to 2 3 Push 5 button In this time the setup finishes when the display changes from flashing to lighting 27 e9 Installation Manual aa Indoor unit No before setup change is displayed se 7 CODE No La E M ao fon Se gm cnn r3 5 ULE LILI LII V 1 EUN zm C Aw Li SEES fs cnr 5 uU SIN Le 4 Procedure 4 1 Using temp setup Cv C4 buttons specify CODE No 13 CODE No 13 Indoor address 2 Using timer time CX 4 buttons change the indoor address from 3 to 2 3 Push 5 button In this time the setup finishes when the display changes from flashing to lighting Indoor unit No before setup change is displayed 7 CODE No St Sen onn rna LLLI Lt F Sul l ser Dark O NSS jm WU VV ue o SL LIUC y Pi Procedure 5 1 Using temp setup Cv C4 buttons specify CODE No 14 CODE No 14 Group address 2 Using timer time C 4 buttons change the setup data from 0001 to 0002 Setup data Header unit 0001 Follower unit 0002 3 Push 5 button In this time the setup finishes when the display changes from flashing to lighting Indoor unit No before setup change is disp
6. dl DON OFF lt When power is turned on for the second or later time gt It takes approx 1 minute until the remote ca Ce SWINGIFIX UNIT LOUVER controller becomes available amp oiloQo cro MODE Approx 1 minutes Power SETTING SETTING Remote on gt flashes gt goes out controller is available Procedure 1 Push button and temp setup Cv button Normal settings were made when the indoor simultaneously for at least 4 seconds unit was shipped from factory After a while the display flashes as shown in the Change the indoor unit settings as required figure Use the wired remote controller to change the Confirm that the CODE No is 01 sengs If the CODE No is not 01 push amp button to The settings cannot be changed using the erase the display content and repeat the wireless remote controller sub remote procedure from the beginning controller or remote controllerless system No operation of the remote controller is for central remote controller only TEST Therefore install the wired remote controller abe lea TOP Wer cy oU on ds usted to change the settings CODE No sero SS T gun gn LC Display content varies with the indoor unit model Procedure 2 Each time you push 5 button indoor unit numbers in the control group change cyclically Select the indoor unit you w
7. C Ux J T Be sure to remove the cushion for transportation between the fan and the bell mouth 10 EN Toshiba XXXXXXX X X a J K e 00EH99858901_01EN_4 way_IM_printOnly book Page 11 Tuesday December 4 2007 2 31 PM ee 4 way Air Discharge Cassette Type B Installation of ceiling panel Sold separately Install the ceiling panel according to Installation Manual attached with it after piping wiring work has completed Check that installation of indoor unit and ceiling opening part is correct and then install it REQUIREMENT Joint the connecting sections of ceiling panel ceiling surface ceiling panel and indoor unit closely Any gap between them will cause air leakage and the generate condensation or water leakage Remove the adjust corner caps at the four corners ofthe ceiling panel and then install the ceiling panel onto the indoor unit Make sure that the claws of the four adjust corner caps are securely fit Improper fitting of the claws may cause water leakage B Installation of remote controller Sold separately For installation of the wired remote controller follow the Installation Manual attached with the remote controller Pull out the remote controller cord together with the refrigerant pipe or drain pipe Be sure to pass the remote controller cord through upper side of the refrigerant pipe and drain pipe Do not le
8. The high ceiling setting is also necessary when installing separately sold filters 6 6 EN Toshiba XXXXXXX X X T A e 00EH99858901_01EN_4 way_IM_printOnly book Page 7 Tuesday December 4 2007 2 31 PM T 4je UY 4 way Air Discharge Cassette Type _ Installation Manual REQUIREMENT When using the air conditioner with 2 way 3 way discharge system a strong wind blows directly if the ceiling height is lower than the standard Therefore change the setting switch according to height of the ceiling When using the high ceiling 1 or 2 with 4 way discharge system the draft is apt to be felt due to drop of the discharge temperature Y Height list of ceiling possible to be installed Unit m Model RAV SM56 Type SM80 Type SM110 SM140 Type i No of discharge direction 4 way 3 way 2 way 4 way 3 way 2 way 4 way 3 way 2 way Set data Standard at shipment 2 8 3 2 3 5 3 0 3 3 3 6 3 9 4 2 4 5 0000 High ceiling 1 3 2 3 5 3 8 3 3 3 5 3 8 4 2 4 4 4 6 0001 High ceiling 2 3 5 3 8 3 6 3 8 4 5 4 6 0003 The lighting time of the filter sign notification of filter cleaning on the remote controller can be changed according to installation conditions When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room the detection temperature of heating can be raise
9. higher than the standard height make the high ceiling setting for air volume adjustment Take the same procedure as that in When installing separately sold filters Select the setting data for Procedure 4 from the Height list of ceiling possible to be installed table on page 7 in this manual B When wireless remote controller is used Change the high ceiling and filter settings with the DIP switch on the receiver section P C board For details refer to the manual of the wireless remote controller kit The settings can also be changed with the switch on the indoor microcomputer P C board However once the setting is changed setting to 0001 or 0003 is possible but setting to 0000 requires a setting data change to 0000 using the wired remote controller separately sold with the normal switch setting factory setting Be sure to make ceiling setting when installing SW501 1 separately sold filters SW501 2 Separately sold filters cannot be installed in an MCU IC501 indoor unit on a high ceiling Follow to the basic operation procedure 152535455506 Setup data SW501 1 SW501 2 For the CODE No in Procedure 3 specify 5d 0000 Forthe setdata in Procedure 4 select the setup Factory shipping one OEP data of filters to be installed from the following 0001 ON OFF table 0003 OFF ON Setup data High ceiling s
10. port 450x450 25 SE unit MENEEENENEEENEEEEEEEENI I x Check port Obstacle 450x450 E Selection of installation place In case of continued operation of the indoor unit under high humidity conditions as described below dew may condense and water may drop Especially high humidity atmosphere dew point temperature 23 C or more may generate dew inside the ceiling 1 Unit is installed inside the ceiling with slated roof 2 Unit is installed at a location using inside of the ceiling as fresh air take in path 3 Kitchen Advice Seta service check opening panel at right side of the unit size 450 x 450mm or more for piping maintenance and servicing e Ifinstalling a unit at such place put insulating material glass wool etc additionally on all the positions of the indoor unit which come to contact with high humidity atmosphere REQUIREMENT When the humidity inside the ceiling seems to be higher than 80 attach a heat insulator to the side top surface of the indoor unit Use a heat insulator that is 10mm or more thick E Ceiling height Model RAV Possible installed ceiling height SM56 SM80 Type Up to 3 8 m SM110 SM140 Type Up to 4 6 m When the height of the ceiling exceeds the distance of the item Standard 4 way in Table on the next page the hot air is difficult to reach the floor Therefore it is necessary to change the setup value of the high ceiling switch or discharge direction
11. setting is fixed 6 Push button to end the setting When the cold draft position is selected ceiling contamination is less reduced E How to set up swing type 1 Push for at least four seconds when the air conditioner is not working flashes Indicates CODE No FO 2 Select an indoor unit to be set by pushing 9s left side of the button Each time you push the button unit numbers change as follows Unit No 1 1 Unit No Unit No 1 2 1 3 Not Unit No display lt 1 4 The fan of the selected unit runs and the louvers start swinging 9 Toshiba XXXXXXX X X um e T e 4je UY o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 24 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type 3 Select a swing type by pushing TIME Cv 2 buttons CODE No SET DATA Ga Z l1 manm UNIT No J Pit La ee am A RC No L Swing setup code Swing setup code Swing of louvers Standard swing 0001 Factory Shipping 0002 Dual swing 0003 Cycle swing N CAUTION Do not set the swing setup code to 0000 This setting may cause a failure of the louvers About Dual swing Dual means that louvers 01 and 03 are directed and swing in one direction and louvers 02 and 04 are directed and swing in the opposite direction When louvers 01 and 03 are directed downward louvers 02 and 04 are directe
12. strength over a long period of time and sufficient consideration should be given to ensuring that the outdoor unit will not fall 2 Use copper pipe with 0 8 mm or more thickness In case pipe size is 15 9 with 1 0mm or more 3 Flare nut and flare works are also different from those of the conventional refrigerant Take out the flare nut attached to the main unit of the air conditioner and use it REQUIREMENT When the refrigerant pipe is long provide support brackets at intervals of 2 5 to 3m to clamp the refrigerant pipe Otherwise abnormal sound may be generated N CAUTION B Permissible Piping Length and Height Difference They vary according to the outdoor unit For details refer to the Installation Manual attached to the outdoor unit Flaring Cut the pipe with a pipe cutter Remove burrs completely Remaining burrs may cause gas leakage Insert a flare nut into the pipe and flare the pipe As the flaring sizes of R410A differ from those of refrigerant R22 the flare tools newly manufactured for RA10A are recommended However the B conventional tools can be used by adjusting projection margin of the copper pipe V Projection margin in flaring B Unit mm Rigid Clutch type IMPORTANT 4 POINTS FOR PIPING WORK 1 connecting pipes Remove dust and moisture from the inside of the Tight connection between pipes and unit Evacuate the air in the connecting pipes using
13. to the Local Regulation in each country For wiring of power supply of the outdoor units follow the Installation Manual of each outdoor unit Never connect 220 240V power to the terminal blocks 09 etc for control wiring Otherwise the system will fail Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulting in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the cord clamp Run the refrigerant piping line and control wiring line in the same line 18 18 EN Toshiba XXXXXXX X X e 00EH99858901_01EN_4 way_IM_printOnly book Page 19 Tuesday December 4 2007 2 31 PM T 4je UY 4 way Air Discharge Cassette Type Installation Manual B Wire connection REQUIREMENT Be sure to connect the wires matching the terminal numbers Incorrect connection causes a trouble Be sure to pass the wires through the bushing of wiring connection port of the indoor unit Keep a margin Approx 100mm on a wire to hang down the electric parts box at servicing etc The low voltage circuit is provided for the remote controller Do not connect the high voltage circuit Remove the cover of the electric parts box by taking off the mounting screws 2 positions and pushing the hooking section The cover of the electric parts box remains hanged to the hinge Co
14. 2007 2 31 PM Installation Manual E Check codes and parts to be checked ee Wireless remote controller esisiisalller Sensor block display of Air display receiving unit Main defective parts uo Parts to be checked error description conditione r status Indication operaron De A eU Flashing No header remote Incorrect remote controller setting The header remote troll controller has not been set including two remote E01 o e e eer Remote controllers controller a o No signal can be received from the indoor unit Remote controller Remote Indoor outdoor connecting wires indoor P C board ic Oo ee transmission error controller emote controller No signal can be sent to the indoor unit Indoor unit remote Remote controller network adapter indoor P C board E03 controller regular Indoor No data is received from the remote controller or Auto reset g communication error network adapter Indoor unit outdoor unit serial Indoor outdoor connecting wires indoor P C board E04 eoe o oO communication error Indoor outdoor P C board Serial communication error Auto reset IPDU CDB between indoor unit and outdoor unit communication error Duplicated indoor Indoor address setting error The same address as the Ee o e addresses Inder self address was detected AUOTESEL Remote controller address setting error Two remo
15. 31 PM 4 way Air Discharge Cassette Type Measures when check code E18 appears in the concurrent twin system one outdoor unit E18 Displayed when incorrect connections 0 0 and are made between indoor units Measures Reconnect cables correctly between indoor units Incorrect connection A A NEE MOE Remote controller Indoor unit 00 Outdoor unit Disconnect the connection between indoor units Correct connection Remote controller Outdoor unit I Installation Manual Set the address again 1 Push and TIME 4 buttons simultaneously for at least 4 seconds DON OFF MODE SAVE VENT SWING FIX UNIT LOUVER 2 H Li flashes on the display as shown in the following figure SET y Push 5 button Hf Tp changes from flashing to lighting Co 4 Push amp button Hj 11 disappears and SETTING flashes It takes 5 minutes E0 2 Ee ao When SETTING disappears re setting is completed and the air conditioner enter the normal operation standby mode 6 32 EN Toshiba XXXXXXX X X T a i A e 4je UY 4 way Air Discharge Cassette Type Installation Manual 10 MAINTENANCE The fan is running for self cleaning maintenance Use a vacuum cleaner to remove dust after running the cooling or dry mode Ter
16. The detection of error is performed as usual Procedure 4 After the test run push 29 button to stop a test run Display part is same as procedure 1 Procedure 5 Push check button to cancel release from the test run mode TEST disappears on the display and the status returns to a normal T 30 EN Toshiba XXXXXXX X X ia A e ee 00EH99858901_01EN_4 way_IM_printOnly book Page 31 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type In case of wireless remote controller Procedure 1 Turn on the power of the air conditioner When power is turned on for the first time after installation it takes approx 5 minutes until the remote controller becomes available In the case of subsequent power on it takes approx 1 minute until the remote controller becomes available Execute a test run after the predetermined time has passed Procedure 2 Push ON OFF button on the remote controller select COOL or HEAT with MODE button and then select HIGH with FAN button Procedure 3 Cooling test run Heating test run Set the temperature to Set the temperature to 18 C with the temp setup 30 C with the temp setup buttons buttons Procedure 4 Cooling test run Heating test run After confirming a signal After confirming a signal receiving sound beep receiving sound beep immediately
17. VACUUM PUMP Check the gas leakage Connected points B Pipe size R410A tool Conventional Outer diam of used tool used copper pipe pre R410A R410A 6 4 9 5 1 5 to 2 0 0 to 0 5 12 7 15 9 2 0 to 2 5 V Flaring diam meter size A Unit mm Outer diam of copper A 0 A 0 4 pipe R410A 6 4 9 1 9 5 13 2 12 7 16 6 15 9 19 7 Model SM80 SM110 name RAV SM56 type SM140 type Gas side 12 7 mm 15 9 mm Pipe size Liquid side 6 4mm 9 5 mm 15 n case of flaring for RA10A with the A conventional flare tool pull it out approx 0 5 mm more than that for R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size 9 Toshiba XXXXXXX X X um e T e ee o ig 00EH99858901 0IEN 4 way IM printOnly book Page 16 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Tightening connection N CAUTION Do not apply excessive torque Otherwise the nut may crack depending on the conditions Outer diam of copper Unit Nem Tightening torque pipe 6 4 mm diam 14 to 18 1 4 to 1 8 kgf m 9 5 mm diam 33 to 42 3 3 to 4 2 kgf m 12 7 mm diam 50 to 62 5 0 to 6 2 kgf m 15 9 mm diam JSJ 63 to 77 6 3 to 7 7 kgfm V Tightening torque of flare p
18. air temperature D 63 Compressor intake air temperature 64 65 Heatsink temperature THS 6A Operating current x1 10 F1 Compressor cumulative operating hours x100h Toshiba XXXXXXX X X e T 00EH99858901_01EN_4 way_IM_printOnly book Page 26 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type E Group control Simultaneous twin system A combination with an outdoor unit allows simultaneous ON OFF operation of two indoor units for the twin system V Twin system Outdoor unit Remote controller Finish of address setup by power ON For wiring procedure and wiring method follow to the Electric work in this manual When the power supply has been turned on the automatic address setup starts and which indicates that address is being set up flashes on the display part During setup of automatic address the remote controller operation is not accepted Indoor unit Required time up to the finish of automatic addressing is approx 5 minutes In case of group control for system of multiple units One remote controller can control maximum 8 indoor units as a group V In case of group control in single system o Indoor unit Remote controller Max 8 units Finish of address setup by power O e Installation Manual For wiring procedure and wiring method of the individual line Identical refrigerant line sy
19. anging bolts The dimensions of the ceiling opening and hanging bolt pitches are given in the outline drawing and the attached installation pattern Whena ceiling already exists lay the drain pipe refrigerant pipe indoor unit outdoor unit connection wires and remote controller wires to their connection locations before hanging the indoor unit Procure hanging bolts and nuts for installing the indoor unit these are not supplied Hanging bolt M10 or W3 8 4 pieces Installation Manual Treatment of ceiling The ceiling differs according to structure of building For details consult your constructor or interior finish contractor In the process after the ceiling board has been removed it is important to reinforce ceiling foundation frame and to keep horizontal level of installed ceiling correctly in order to prevent vibration of ceiling board 1 Cut and remove the ceiling foundation 2 Reinforce the cut surface of ceiling foundation and add ceiling foundation for fixing the end of ceiling board Installation of hanging bolt Use M10 hanging bolts 4 pcs to be local procure Matching to the existing structure set pitch according to size in the unit external view as shown below Nut M10 or W3 8 12 pieces New concrete slab How to use the installation pattern accessory The installation pattern is provided inside the packaging cap For existing ceiling Use t
20. ant to change settings for The fan of the selected unit runs and the louvers start swinging You can confirm the indoor unit for which you want to change settings CODE No SET DAT SUITS SK KE SEER 7 21 EN Toshiba XXXXXXX X X o T ee o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 22 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Procedure 3 Using temp setup Cv C4 buttons specify CODE No xx 1 Procedure 4 Using timer time CO buttons select SET DATA Kx 1 Procedure 5 Push 5 button When the display changes from flashing to lit the setup is completed To change settings of another indoor unit repeat from Procedure 2 To change other settings of the selected indoor unit repeat from Procedure 3 Use 5 button to clear the settings To make settings after 5 button was pushed repeat from Procedure 2 Procedure 6 When settings have been completed push e button to determine the settings When 5 button is pushed SETTING flashes and then the display content disappears and the air conditioner enters the normal stop mode While SETTING is flashing no operation of the remote controller is accepted EADS z E When installing separately sold filters e Installation Manual B Installing indoor unit on high ceiling When an indoor unitis installed on a ceiling
21. anufactured exclusively for R410A Refrigerant amount to be added For addition of the refrigerant add refrigerant R410A referring to the attached Installation Manual of outdoor unit Be sure to use a scale to charge the refrigerant of specified amount REQUIREMENT Charging an excessive or too little amount of refrigerant causes a trouble of the compressor Be sure to charge the refrigerant of specified amount A personnel who charged the refrigerant should write down the pipe length and the added refrigerant amount in the nameplate attached to the service panel of the outdoor unit It is necessary to troubleshoot the compressor and refrigeration cycle malfunction Open the valve fully Open the valve of the outdoor unit fully A 4mm hexagonal wrench is required for opening the valve For details refer to the Installation Manual attached to the outdoor unit Gas leak check Check with a leak detector or soap water whether gas leaks or not from the pipe connecting section or cap of the valve REQUIREMENT Use a leak detector manufactured exclusively for HFC refrigerant R410A R134a etc 16 EN Toshiba XXXXXXX X X T g d 00EH99858901_01EN_4 way_IM_printOnly book Page 17 Tuesday December 4 2007 2 31 PM 4je 4 way Air Discharge Cassette Type Thermal insulation process Apply thermal insulation for the pipes separately at liquid side and gas side For the th
22. ave the remote controller at a place exposed to the direct sunlight and near a stove 11 EN zu o han lt Installation Manual Ein case of wireless type The sensor of indoor unit with wireless remote controller can receive a signal by distance within approx 7m Based upon it determine a place where the remote controller is operated and the installation place Operate the remote controller confirm that the indoor unit receives a signal surely and then install it Keep 1m or more from the devices such as television stereo etc Disturbance of image or noise may generate To prevent a malfunction select a place where is not influenced by a fluorescent light or direct sunlight Two or more Up to 6 units indoor units with wireless type remote controller can be installed in the same room e Toshiba XXXXXXX X X T L A e ee o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 12 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type D DRAIN PIPING WORK N CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat insulation So as not to cause a dew droping Inappropriate piping work may result in water leakage in the room and wet of furniture E Piping Heat insulating material Require the following materials for piping and heat insulating at site Ha
23. bject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur Upon approval of the customer install the air conditioner in a place that satisfies the following conditions Place where the unit can be installed horizontally Place where a sufficient servicing space can be ensured for safety maintenance and check Place where drained water will not cause any problem Avoid installing in the following places Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring Should the unit be used in these places special protective measures are needed A restaurant kitchen where a lot of oil is used or place near machines in a factory Oil adhering to the heat exchanger and resin part turbo fan in the indoor unit may reduce the performance generate mist or dew drop or deform or damage resin parts Place where organic solvent is used nearby Place close to a machine generating high frequency Place where the discharged air blows directly into the window of the neighbor house Outdoor unit Place where noise of the outdoor unit is easily transmitted When install the outdoor unit on the boundary with the neighbor pay due attention to the level of noise Place with poor ventilation Before air ducting work check whether value of air volume static pressure and duct resistance are correct Do not use the air con
24. cepted even 1 minute or more passed after pushing 23 button it is considered that the address setup is incorrect In this case the automatic address must be again set up Therefore repeat procedure of the setup change from the Procedure 1 To recognize the position of the corresponding indoor unit though the indoor unit No is known Check the position during operation stop Be sure to stop operation of the set 28 e9 Installation Manual CODE No z l ON OFF Procedure 1 Push simultaneously c amp gt buttons for 4 seconds or more After a while the display part flashes and the display appears as shown below In this time the position can be checked because fan and louver of the indoor unit operate Forthe group control the indoor unit No is displayed as Hi and fans and louvers of all the indoor units in the group control operate Check the displayed CODE No is 01 When the CODE No is other than 01 push e button to erase the display and repeat procedure from the first step After pushing e button operation of the remote controller is not accepted for approx 1 minute SEHE Th i A L Display changes according to the model No of indoor unit Procedure 2 In the group control every pushing button the indoor unit No in the group control is displayed in order In this time t
25. d B Discharge direction As shown in the figure below air discharge directions can be selected according to the shape of the room and the location of the indoor unit installation 3 directions 2 directions iB iE v Use a shielding plate kit sold separately to change discharge directions Discharge directions are limited Follow the Installation Manual supplied with the shielding plate kit Shielding plate sold separately 7 EN 7 Toshiba XXXXXXX X X o T D S zl ll e 01GBO2BODY fm Page 8 Friday December 7 2007 11 06 AM SA 4 way Air Discharge Cassette Type Installation Manual 4 INSTALLATION REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity be sure to use buffering cloth etc to not damage the unit To move the indoor unit hold the hooking metals 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts or resin parts etc Carry the package by two or more persons and do not bundle it with plastic band at positions other than specified B External view Unit mm Ceiling bottom surface Ceiling bottom surface Knockout square hole for divi
26. d upward About Cycle swing The four louvers swing independently at respective timings Refrigerant pipe 04 Drain pipe amp amp SET 4 Push 5 button TEST 5 Push button to complete the setting 24 e T Installation Manual UE RT E ARR uar E How to set up louver lock No swing UNIT LOUVER 1 Push right side of the button for at least four seconds when the air conditioner is not working flashes Indicates CODE No F1 2 Select an indoor unit to be set by pushing 9 s left side of the button Each time you push the button unit numbers change as follows The fan of the selected unit runs and the louvers start swinging Unit No Unit No Unit No 1 1 2 1 2 2 1 3 Unit No 1 4 Select a louver you want to lock by pushing TEMP Gp buttons 4 Select the wind direction of the louver you do not want to swing by pushing TIME Cv a buttons Co p P MW 1 2 3 Setting data 0001 0002 0003 NS NS 4 5 0004 0005 When 4 or 5 is selected dew drop may occur during cooling mode Determine the setting by pushing button When the setting has been determined 5 lights up 6 Push 5 button to complete the setting c1 CODE No SET DATA E r1 r1 rt UNIT No J Lt Le Fd A R C 0001 0005 Louver lock po
27. de duct For 0150 Refrigerant pipe connecting port Liquid B Electric parts Take in port of pipes Knockout square hole for divide duct For 0150 Refrigerant pipe connecting port 860 to 910 Ceiling opening dimension 780 Hanging bolt pitch 950 Panel external dimension Drain pipe connecting ee oomen port Ceiing se 4 8 pics Knockout square hole surface for divide duct For 0150 690 20 Hanging bolt pitch 860 to 910 Panel external dimension Hanging bolt M10 or 23 8 To be procured locally Ceiling bottom v surface SN N Knockout for S simple OA For 0100 Ceiling bottom surface Ceiling panel sold separately Knockout square hole for divide duct Knockout square hole for humidifier For 150 mm Model RAV A B C D SM56 Type 256 6 4 012 7 120 SM80 Type 256 99 5 015 9 120 SM110 Type 319 99 5 015 9 183 SM140 Type 319 99 5 015 9 183 8 8 EN Toshiba XXXXXXX X X es 9 EN o e 01GBO2BODY fm Page 9 Friday December 7 2007 11 06 AM 4 way Air Discharge Cassette Type E Opening a ceiling and installation of hanging bolts Consider the piping wiring after the unit is hung when determining the location of the indoor unit installation and orientation After the location of the indoor unit installation has been determined open the ceiling and install h
28. ditioner for special purposes such as preserving food precision instruments or art objects or where breeding animals or growing plants are kept This may degrade the quality of preserved materials Place where any of high frequency appliances including inverter devices private power generators medical equipment and communication equipment and inverter type fluorescent light is installed A malfunction of the air conditioner abnormal control or problems due to noise to such appliances equipment may occur When the wireless remote controller is used in a room equipped with an inverter type fluorescent light or at a place exposed to direct sunlight signals from the remote controller may not be received correctly Place where organic solvent is used Place near a door or window exposed to humid outside air Dew droping may form Place where special spray is used frequently on Toshiba XXXXXXX X X L e ee o 00EH99858901_01EN_4 way_IM_printOnly book Page 6 Tuesday December 4 2007 2 31 PM Ie 4 way Air Discharge Cassette Type T Installation Manual E installation space Secure the specified space in the figure for installation and servicing Model RAV A mm SM56 SM80 Type 271 or more SM110 SM140 Type 334 or more 1000 or more 15 or more Y A lt x Check
29. e MUS o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 1 Tuesday December 4 2007 2 31 PM TOSHIBA AIR CONDITIONER SPLIT TYPE Installation Manual Indoor Unit Model name 4 way Air Discharge Cassette Type RAV SM564UT E RAV SM804UT E RAV SM1104UT E RAV SM1404UT E HFC Not accessible to the general public Vente interdite au grand public Kein ffentlicher Zugang Non accessibile a clienti generici No destinado al p blico en general Installation Manual Air conditioner Split type 1 English Manuel d installation Climatiseur Type split 39 Macr Installations handbuch Klimagerat Split typ TT Manuale di installazione Condizionatore d aria Tipo split 115 Manual de instalaci n Aire acondicionado Tipo split 153 T SA eD i di Toshiba XXXXXXX X X e je 1 EN han o e 00EH99858901 0IEN 4 way IM printOnly book Page 1 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Installation Manual Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the indoor unit For installation of the outdoor unit follow the Installation Manual attached to the outdoor unit ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC R410A instead of the conventional refrigeran
30. e Procured locally Terminal block V Single system Remote controller Remote controller wiring Indoor side Indoor Outdoor connecting wires Outdoor side 220 240V V Synchronous twin system Remote controller inter unit wiring Remote controller Remote controller wiring Indoor side Indoor Outdoor connecting wires Outdoor side 220 240V For details of wiring installation of the remote controller refer to the Installation Manual enclosed to in the remote controller al Toshiba XXXXXXX X X 6 20 EN T a e 00EH99858901_01EN_4 way_IM_printOnly book Page 21 Tuesday December 4 2007 2 31 PM ee 4 way Air Discharge Cassette Type Installation Manual 8 APPLICABLE CONTROLS REQUIREMENT B Changing of settings of for When you use this air conditioner for the first applicable controls time it takes approx 5 minutes until the remote controller becomes available after power on This is normal Basic procedure for changing settings Change the settings while the air conditioner is not When power is turned on for the first time working l 7 after installation Be sure to stop the air conditioner before making It takes approx 5 minutes until the remote settings controller becomes available Approx 5 minutes Power SETTING SETTING Remote on gt flashes gt goes out controller is available CODE No gt M l
31. e required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter To Disconnect the Appliance from Main Power Supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm The installation fuse must be used for the power supply line of this conditioner Tighten the flare nut with a torque wrench in the specified manner Excessive tightening of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage Wear heavy gloves during the installation work to avoid injury 4 EN Toshiba XXXXXXX X X elj ee 5 EN I o e 00EH99858901 01EN 4 way IM printOnly book Page 5 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Installation Manual J SELECTION OF INSTALLATION PLACE N WARNING Install the air conditioner at enough strong place to withstand the weight of the unit If the strength is not enough the unit may fall down resulting in injury Install the air conditioner at a height 2 5m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity CAUTION Do not install the air conditioner in a location su
32. er to prevent waving Arched shape NO GOOD miii Set the collective piping as shown in the below figure As long as possible 10cm VP25 VP25 FY D N Downward slope 1 100 or more N VP30 or more Be sure not to apply force to the connecting part of the drain pipe connected to the drain pipe connecting port of the indoor unit For connection with the drain pipe connecting port be sure to use fix the attached flexible hose with the hose band otherwise a damage or water leak is caused on the drain pipe connecting port Attached hose VP25 vinyl chloride pipe band To be local procure Attached flexible hose Pe Socket for VP25 To be local procure Indoor unit Soft socket Hard socket Adhesive inhibited Use the attached flexible hose and hose band for connecting the drain hose to the clear drain socket If applying the adhesive socket will be damaged and cause water leakage Align the attached hose band to the end of hose set the Drain pipe tightening position upward and connecting port then tighten it Transparent VP25 vinyl chloride Flexible hose pipe To be local Accessory procure E 5 Cau Socket for VP25 vinyl chloride pipe p To be local procure 12 EN Toshiba XXXXXXX X X elj
33. ermal insulation to the pipes at gas side be sure to use the material with heat resisting temperature 120 C or higher Using the attached thermal insulation material apply the thermal insulation to the pipe connecting section of the indoor unit securely without gap REQUIREMENT Apply the thermal insulation to the pipe connecting section of the indoor unit securely up to the root without exposure of the pipe The pipe exposed to the outside causes water leak Wrap heat insulator with its slits facing up ceiling side Indoor unit Heat insulation pipe Flare nut insulator of Accessory the pipe 17 EN 17 o on Installation Manual w lt Toshiba XXXXXXX X X t a i S zl 00EH99858901_01EN_4 way_IM_printOnly book Page 18 Tuesday December 4 2007 2 31 PM T ee Installation Manual 4 way Air Discharge Cassette Type ELECTRICAL WORK Do not turn on the power of the indoor unit until e N WARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external tension to the wires do not affect the connecting part of the terminals Incomplete connection or fixation may cause a fire etc 2 Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods o
34. etected do not run the unit 2 Check the valve of the outdoor unit being opened fully To protect the compressor at activation time leave power ON for 12 hours or more befor operating B How to execute a test run Using the remote controller operate the unit as usual For the procedure of the operation refer to the attached Owner s Manual A forced test run can be executed in the following procedure even if the operation stops by thermo OFF In order to prevent a serial operation the forced test run is released after 60 minutes have passed and returns to the usual operation N CAUTION Do not use the forced test run for cases other than the test run because it applies an excessive load to the devices 30 e T Installation Manual In case of wired remote controller TEMP DON OFF MODE C SAVE VENT CSB CHa SWING FIX UNIT LOUVER Cr 9 FAN C FILTER RESET TEST 1 5 Procedure 1 Keep e button pushed for 4 seconds or more TEST is displayed on the display part and the selection of mode in the test mode is permitted TEST Procedure 2 Push button Procedure 3 Using button select the operation mode COOL or HEAT Do not run the air conditioner in a mode other than COOL or HEAT The temperature controlling function does not work during test run
35. etting 0000 ance pet join MN To restore the factory settings To return the DIP switch settings to the factory settings set SW501 1 and SW501 2 to OFF Setup data High ceiling setting connect a separately sold wired remote controller 0003 High Efficiency Filter 65 and then set the data of CODE No 5d to 0000 High Efficiency Filter 90 in When installing separately sold filters on this zd e9 page 22 EN Toshiba XXXXXXX X X ia A e ee 23 EN Ie o 00EH99858901_01EN_4 way_IM_printOnly book Page 23 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type B Change of lighting time of filter sign According to the installation condition the lighting time of the filter sign Notification of filter cleaning can be changed Follow to the basic operation procedure 15253545550 For the CODE No in Procedure 3 specify 01 e For the Set data in Procedure 4 select the setup data of filter sign lighting time from the following table Setup data Filter sign lighting time 0000 None 0001 150H 0002 2500H At shipment from factory 0003 5000H 0004 10000H E To secure better effect of heating When it is difficult to obtain satisfactory heating due to installation place of the indoor unit or structure ofthe room the detection temperature of heating can be raised Also use a circulator etc to c
36. he indoor unit and hang the indoor unit Check that the four sides of the indoor unit are level using a level vial levelness 5mm or less Detach the installation gauge accessory from the installation pattern Using the installation gauge check and adjust the positional relation between the indoor unit and the ceiling opening 1 10 to 35mm 4 sides and the hanging up height 2 12 mm to 17 mm 4 corners How to use the installation gauge is printed on the gauge Procure hanging bolts and nuts locally Hanging bolt M10 or W3 8 Nut M10 or W3 8 Washer Accessory Kex To prevent the bolt s from falling off for Eccentric washer safety be sure to set Accessory it just under the Install with the marking hanging bracket as UP facing up shown in the figure Nut M10 or W3 8 10 e T Installation Manual Level vial levelness 5mm or less Indoor unit X Hanging bolt B Em EE E 2 Hanging N bracket a 1 10 to 35mm X Ceiling board Installation gauge Indoor unit 2 12 to 17mm Ceiling board Installation Jae 1 10 to 35mm REQUIREMENT Before installation of the indoor unit be sure to remove the cushion for transportation between the fan and the bell mouth Running the unit without removing the cushion may damage the fan motor DDE o
37. he installation pattern positioning a ceiling opening and hanging bolts For new ceiling Use the installation pattern to position the ceiling opening when hanging a ceiling After the hanging bolts have been installed install the indoor unit Hook the four holes in the installation pattern to the panel fixing screws of the indoor unit When hanging a ceiling open the ceiling along the outside dimensions of the installation pattern Indoor unit Installation pattern Accessory hole Install the bolts with insert brackets or anchor bolts Anchor bolt Bladetype Slide type Pipe hanging bracket bracket anchor bolt Steel flame structure Use existing angles or install new support angles Hanging bolt Se Hanging bolt Support angle Existing concrete slab Use a hole in anchors hole in plugs or a hole in bolts SS Toshiba XXXXXXX X X e T T QNS ep MUS o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 10 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Installation of ceiling opening and hanging bolt Hanging bolt Hanging bracket Attach a nut M10 or W3 8 not supplied and the 34 washer supplied to each hanging bolt Insert a washer on both sides of the T groove of the hanging bracket of t
38. he position of the indoor unit can be confirmed because only fan and louver of the selected indoor unit operate For a group control No of the firstly displayed indoor unit becomes the header unit UNIT LOUVER Procedure 3 After confirmation push e button to return the mode to the usual mode When pushing e button the display disappears and the status becomes the usual stop status When pushing button the operation from the remote controller is not accepted for approx 1 minute e 28 EN Toshiba XXXXXXX X X T a i S zl ll ee 29 EN Ie o 00EH99858901_01EN_4 way_IM_printOnly book Page 29 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type E How to set up 8 C Operation Preheating operation can be set for cold regions where room temperature drops to below zero Procedure 1 Push simultaneously C5 A buttons for 4 seconds or more when the air conditioner is not working After a while the display part flashes as shown below Check the Displayed CODE No is 10 When the CODE No is other than 10 push S button to erase the display and repeat procedure from the first step After pushing E button operation of the remote controller is not accepted for approx 1 minute rmm re r1 i A L Hut Display changes according to the model No of indoor unit Procedure 2 Every pushi
39. iling position Washer 4 o For hanging down unit Eccentric washer 4 For hanging down unit Hose band 1 Q For connecting drain pipe Flexible hose 1 OD For adjusting center of drain pipe Heat insulator 1 C For heat insulation of drain connecting section Heat insulator 1 EJ For sealing of wire connecting port Owner s Manual 1 a Be sure to hand over to customers E Separate sold parts The Ceiling panel and remote controller are sold separately For the installation of these products follow the Installation Manuals supplied with them The wireless type remote controller is designed to be installed by attaching a wireless remote controller kit sold separately to the standard panel The wireless remote controller kit consists of a wireless remote controller and adjust corner caps with a receiver section 2 2 EN Toshiba XXXXXXX X X e ee e 00EH99858901 0IEN 4 way IM printOnly book Page 3 Tuesday December 4 2007 2 31 PM 3 EN 4 way Air Discharge Cassette Type Installation Manual 2 PRECAUTIONS FOR SAFETY Ensure that all Local National and International regulations are satisfied Read this PRECAUTIONS FOR SAFETY carefully before Installation The precautions described below include the important items regarding safety Observe them without fail After the installation work perform a trial operation test run to check for any problem Follow the Owner s Manual to expla
40. in how to use and maintain the unit to the customer Turn off the main power supply switch or breaker before the unit maintenance Ask the customer to keep the Installation Manual together with the Owner s Manual N WARNING Ask an authorized dealer or qualified installation professional to install including moving maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Be sure to connect earth wire grounding work Incomplete grounding cause an electric shock Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone wires Turn off the main power supply switch or breaker before attempting any electrical work Make sure all power switches are off Failure to do so may cause electric shock Install the refrigerant pipe securely during the installation work before operating the air conditioner If the air conditioner is operated with the valve open and without the refrigerant pipe the compressor sucks air and the refrigeration cycle is overpressurized which may cause a burst or injury When moving the air conditioner for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it resultingly causes pipe burst and injuries
41. indication will conditioner but causes a failure in the air be turn off conditioner such as water falling in drops Preparation 1 Stop the operation by remote controller 2 Dismount the air filter Strap to prevent falling Air filter 33 EN E LM Toshiba XXXXXXX X X o 00EH99858901_01EN_4 way_IM_printOnly book Page 33 Tuesday December 4 2007 2 31 PM T a P S zl ll 4je UY o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 34 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Cleaning of discharge louver The discharge louver can be removed to clean 1 Remove the discharge louver Holding the both ends of the discharge louver remove the louver sagging the center downward 2 Cleaning with water f the dirt is terrible clean the louver by tepid water with neutral detergent or water 3 Mount the discharge louver First push in one side of the louver and then insert the other side sagging the center downward Insert in the louver sagging Insert down the center downward Be careful to the direction of the louver when mounting Mount the louver so that the side with the mark faces upward and the arrow direction of the mark directs REQUIREMENT Be sure to clean the heat exchanger with pressurized water If a commercially available detergen
42. ining also when installed in heating period Using a pitcher or hose pour water 1500 to 2000cc into the discharge port before installation of the ceiling panel Pour water gradually so that water does not spread on the motor of the drain pump CAUTION Pour water gently so that it does not spread around inside the indoor unit which may cause a malfunction Heat exchanger Float switch connector 3P CN34 red Tool for pouring water Insert the hose end between the heat exchanger and the drain pan and then bend the hose downward un Water 1500cc to 2000cc Bottle eH After the electric work has finished pour water during COOL mode operation If the electric work has not yet finished pull out the float switch connector CN34 Red from the electric parts box and check draining by plugging the single phase 220 240V power to the terminal blocks and If doing so the drain pump motor operates Test water drain while checking the operation sound of the drain pump motor If the operation sound changes from continuous sound to intermittent sound water is normally drained Toshiba XXXXXXX X X e T a P S zl ll o 4je UY 00EH99858901_01EN_4 way_IM_printOnly book Page 14 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type After the check the drain pump motor runs connecting the float switch connector In ca
43. ipe connections Pressure of R410A is higher than that of R22 Approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections which connect the indoor and outdoor units of the specified tightening torque Incorrect connections may cause not only a gas leak but also a trouble of the refrigeration cycle Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Flare at indoor unit side Flare at outdoor unit side Half union 7 Flare nut Externally PN Internally threaded side threaded side Use a wrench to secure Use a torque wrench to tighten REQUIREMENT Tightening with an excessive torque may crack the nut depending on installation conditions Tighten the nut within the specified tightening torque Piping with outdoor unit Shape of valve differs according to the outdoor unit For details of installation refer to the Installation Manual of the outdoor unit 16 on t Installation Manual B Air purge Using a vacuum pump perform vacuuming from the charge port of valve of the outdoor unit For details follow to the Installation Manual attached to the outdoor unit Never use the refrigerant sealed in the outdoor unit for air purge REQUIREMENT For the tools such as charge hose etc use those m
44. irculate heat air near the ceiling Follow to the basic operation procedure 15253545550 For the CODE No in Procedure 3 specify 06 For the set data in Procedure 4 select the setup data of shift value of detection temperature to be set up from the table below Setup data Detection temp shift value 0000 No shift 0001 1 C 0002 2 C At shipment from factory 0003 3 C 0004 4 C 0005 5 C 0006 6 C 23 Installation Manual E To select horizontal wind direction 1 Push A and TEMP Cv buttons for at least four seconds when the air conditioner is not working flashes Indicates CODE No 01 2 Select an indoor unit to be set by pushing 9 s button left side of the button Indoor unit number changes each time you push the button Unit No Unit No Unit No 1 1 1 2 1 3 Not Unit No display lt 1 4 The fan of the selected unit runs and the louvers start swinging 3 Change the CODE No to 45 with TEMP buttons 4 Select wind direction setting with TIME v 4 buttons Wind direction setting code Wind direction setting Smudge reducing position 0000 Air direction to reduce ceiling contamination Factory Shipping Cold draft position 0092 Air direction to control cold air fall SET 5 Push 5 button to check the setting The display state changes from flashing to lighting and the
45. layed pru 7 GODENG S Set DAF SETTING Y t PAL i d 5 Cd LLLCLECG ROMS m p 7 CODE No SET DATA SETTING Fn y htc TP FO A 734 LL LU Nou L Toshiba XXXXXXX X X e T a P S zl ll 4je UY o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 28 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Procedure 6 If there is other indoor unit to be changed repeat procedure 2 to 5 to change the setup When the above setup has finished push to select the indoor unit No before change of setup specify CODE No 12 13 14 in order with temp setup Cy D buttons and then check the changed contents UNIT LOUVER Address change check Before change 3 3 1 After change 2 2 2 Pushing C5 button clears the contents of which setup was changed In this case procedure from 2 is repeated Indoor unit No before setup change is displayed aon EUIS TU n 17i qub 4 Lf ic Sr SD N im mir nci uuu Procedure 7 After check of the changed contents push 5 button Setup is determined When pushing C5 button the display disappears and the status becomes the usual stop status When pushing e button the operation from the remote controller ls not accepted for approx 1 minute Ifthe operation from the remote controller is not ac
46. ll the service monitor mode from the remote controller during a test run to acquire temperatures of sensors of the remote controller indoor unit and outdoor unit 95 e 1 Co Installation Manual TEST Push C5 and buttons simultaneously for at least 4 seconds to call the service monitor mode The service monitor indicator lights up and the header indoor unit number is displayed first CODE No MM is also displayed Ltt Pushing TEMP Cy 25 buttons select the number of sensor etc CODE No to be monitored See the following table UNIT LOUVER Pushing left side of the button select an indoor unit to be monitored The sensor temperatures of indoor units and their outdoor unit in the control group are displayed 4 Push button to return to the normal display Sr LILI DON OFF aa FAN MODE RESER TEST SET CL or UNIT LOUVER Indoor unit data CODE No Data name 01 Room temperature remote controller 02 Indoor unit intake air temperature TA 03 Indoor unit heat exchanger coil temperature TCJ 04 Indoor unit heat exchanger coil temperature TC F3 Indoor unit fan cumulative operating hours x1 h F8 Indoor unit discharge air temperature Outdoor unit data CODE No Data name 60 Outdoor unit heat exchanger coil temperature TE 61 Outside air temperature TO 62 Compressor discharge
47. minate from the filters or wash them with water the self cleaning mode forcibly when maintaining e After rinsing the air filters with water dry them in the air conditioner the shade Before maintenance be sure to turn off Set the air filter into the air conditioner the leakage breaker Clean the panel and air filter with water Cleaning of air filter Wipe down the panel and air filter with a sponge or towel moistened with a kitchen detergent Do not use any metallic brush for cleaning Carefully rinse the panel and air filter to wash out the detergent After rinsing the panel and air filter with Cleaning of panel and air filter water dry it in the shade Close the suction grille Close the suction grille slide the knob outward and fix the suction grille securely um i e If is displayed on the remote controller maintain the air filter Clogging of the air filter reduce cooling heating performance Preparation 1 Turn off the air conditioner by the remote controller 2 Open the suction grille Slide the button of the suction grille inward and open the suction grille slowly while holding it FILTER 2 Push button FILTER 8 disappears CAUTION Cleaning of Air Filters Do not start the air conditioner while leaving the Ifthe air filters are not cleaned it not only panel and air filter removed reduce the cooling a performance of air Push the filter reset button E
48. ng 5 button the indoor unit No in the group control is displayed in order Select the indoor unit of which setup is changed In this time the position of the indoor unit of which setup is changed can be confirmed because fan and louver of the selected indoor unit operate Procedure 3 Using temp setup Cv G buttons specify CODE No d1 Procedure 4 Using timer time CX 4 buttons select SET DATA 0001 Setup data 8 C Operation setting None 0000 Factory Shipping 0001 8 C Operation setting Procedure 5 Push 5 button In this time the setup finishes when the display changes from flashing to lighting Procedure 6 TEST Push 4 button Setup is determined When pushing button the display disappears and the status Becomes the usual stop status When pushing G button the operation from the remote controller is not accepted for approx 1 minute 29 e9 on t L Installation Manual g d Toshiba XXXXXXX X X ee o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 30 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type 9 TEST RUN B Before test run Before turning on the power supply carry out the following procedure 1 Using 500V megger check that resistance of 1MQ or more exists between the terminal block 1 to 3 and the earth grounding If resistance of less than 1MQ is d
49. nnect the indoor outdoor connection wires and remote controller wire to the terminal block of the electric parts box Tighten the screws ofthe terminal block and fix the wires with cord clamp attached to the electric parts box Do not apply tension to the connecting section of the terminal block Using the attached thermal insulation material seal the pipe connecting port Otherwise dewing may be caused Mount the cover of the electric parts box without pinching wires Mount the cover after wiring on the ceiling panel V Thermal insulation to wiring connecting port e Ir e Adhered surface N Louver connector CN510 White Notched section Side D Space 8 5mm Side C Space 4mm Power supply terminal block OO o Vy ae o Eur Select side C or D for the power cable clamping o 6 position referring to the following table according to the cable type and diameter Cable clamp can be attached on either right or left side Remote When twin system are connected clamp two cables gt controller with one cable clamp 96S terminal z o 6 Wire TT Cable clamping Ar P block type Specification position LIS yam Cabtyre 4 core stranded i 2 a cable wire 2 5mm Side D o A 0 o Cabtyre 4 core stranded 9 cable wire 1 5mm Side C OM o Cord clamp 19 EN 19 Toshiba XXXXXXX X X
50. on persons Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire When the air conditioner is installed in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level Install the air conditioner securely in a location where the base can sustain the weight adequately Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas might generate Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use the specified wires for wiring connect the terminals securely fix To prevent external forces applied to the terminals from affecting the terminals Conform to the regulations of the local electric company
51. or Outdoor P C board In the case of EEPROM error Entire stop z Current detect circuit power voltage Minimum Outdoorunit frequency was reached in the current releasing control or Hed e e COmpressor Outdoor short circuit current Idc after direct excitation was Entire stop breakdown detected Outdoor unit H02 compressor lock Outdoor Compressor circuit Compressor lock was detected Entire stop Outdoomunitcurrent Current detect circuit outdoor unit P C board H03 e PERE Outdoor Abnormal current was detected in AC CT or a phase loss Entire stop detect circuit error was detected Case thermostat gt H04 e operation 1 Outdoor Malfunction of the case thermostat Entire stop Outdoor unit low Current high pressure switch circuit outdoor P C board H06 e Outdoor Ps pressure sensor error was detected or low pressure Entire stop pressure system error protective operation was activated Duplicated header Indoor address setting error There are two or more FS e xu indoor units Ji Indoor header units in the group Entire stop Group line in individual Indoor address setting error There is at least one L07 e o SIM indoor unit Indoor eight indoor unit among individual indoor Entire stop Indoor group address Indoor address setting error Indoor address group has L08 o e O SIM aot set Indoor nobe sel Entire stop Indoor power level not L09 e Q SIM set Indo
52. or Indoor power level has not been set Entire stop Outdoor unit P C In the case of outdoor P C board jumper wire for service L10 OO SIM board Outdoor setting error Entire stop LAN communication E Address setting central control remote controller L20 OQ SIM p network adapter Duplication of address in central Auto reset error central ps control communication control Other outdoor unit error Entire stop Other o tdoor unit 1 Communication error between IPDU MCU and CDB L29 OQ SIM Outdoor MCU error Entire stop 2 Abnormal temperature was detected by the heat sink temp sensor in IGBT Abnormal external T d 2 External devices outdoor unit P C board Abnormal L30 O SIM input into indoor unit Indoor stop due to incorrect external input into CN80 Engr interlock Phase sequence error Power supply phase sequence outdoor unit P C board pcd L31 OQ SIM uc Outdoor Abnormal phase sequence of the 3 phase power thermostat Supply OFF Indoor fan motor indoor P C board Indoor AC fan P01 e ALT Indoor unit fan error Indoor error fan motor thermal relay activated was detected Entire stop P03 e ALT Outdoor unit discharge Outdoor An error was detected in the discharge temp releasing Entire stop temp error control Outdoor unit high High pressure switch The IOL was activated or an P04 e Q ALT 9 Outdoor error was detected in the high pressure releasing control Entire stop
53. pressure system error using the TE The power cable may be connected incorrectly Check P05 o e O ALT Open phase detected Outdoor open phase and voltages of the power supply Entire stop Abnormal temperature was detected by the temp sensor P07 e O ALT Heat sink overheat Outdoor oF the IGBT heat sink Entire stop Indoor unit water Drain pipe clogging of drainage float switch circuit P10 e ALT Indoor indoor P C board Drainage is out of order or the float Entire stop overflow detected switch was activated P15 e ALT Gas leakage detected Outdoor There may be gas leakage from the pipe or connecting Entire sto 9 part Check for gas leakage P Outdoor 4 way valve indoor temp sensors TC TCJ An error Auto r set P19 Q ALT 4 way valve error was detected due to temperature drop of the indoor unit Indoor Auto reset heat exchanger sensor when heating High pressure 2 P20 Oo Q ALT protective operation Outdoor High pressure protection Entire stop Outdoor unit fan motor outdoor unit P C board An P22 Q ALT Outdoor unit fan error Outdoor error overcurrent locking etc was detected in the Entire stop outdoor unit fan drive circuit 237 2 Toshiba XXXXXXX X X Ass 00EH99858901_01EN_4 way_IM_printOnly book Page 38 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type E Installation Manual
54. r ground wires for telephone wires Appliance shall be installed in accordance with national wiring regulations Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire vacuuming of the refrigerant pipes completes Remote controller wiring 2 core non polarity wire is used for the remote controller wiring How to wire 1 Connect the connecting wire to the terminal as identified with their respective numbers on the terminal block of indoor and outdoor unit H07 RN F or 60245 IEC 66 1 5 mm or more Insulate the unsheathed redundant cords conductors with electrical insulation tape Process them so that they do not touch any electrical or metal parts For inter unit wiring do not use a wire jointed to another on the way Co N CAUTION This indoor unit has no power cord If incorrect incomplete wiring is carried out it will cause an electrical fire or smoke Besureto install an earth leakage breaker that is not tripped by shock waves If an earth leakage breaker is not installed an electric shock may be caused Be sure to use the cord clamps attached to the product Do not damage or scratch the conductive core and inner insulator of power and inter connecting wires when peeling them Use the power cord and Inter connecting wire of specified thickness type and protective devices required REQUIREMENT For power supply wiring strictly conform
55. rd vinyl chloride pipe VP25 Outer dia 232mm Foam polyethylene Thickness 10mm or more Piping Heat insulator B Flexible hose Use the attached flexible hose to adjust center discrepancy of the hard vinyl chloride pipe or to adjust the angle Do not use the flexible hose as stretched or do not deform it more extent than that in the following figure Be sure to fix the soft end of the flexible hose with the attached hose band Use the flexible hose on a horizontal level OK NO GOOD JE Riser Trap x 90 Bend max 45 I max 45 REQUIREMENT Be sure to perform heat insulation of the drain pipes of the indoor unit Never forget to perform heat insulation of the connecting part with the indoor unit An incomplete heat insulation causes dew droping Setthe drain pipe with downward slope 1 100 or more and do not make swelling or trap on the piping It may cause an abnormal sound 1 5m to 2m Support bracket wr T w 1 100 or more Heat insulator downward 12 The hard vinyl chloride pipe cannot be directly Drain pipe connecting port Hard socket e T Installation Manual For length of the traversing drain pipe restrict to 20m or less In case of a long pipe provide support brackets with interval of 1 5 to 2m in ord
56. rt circuit of the heat exchanger temp Entire stop sensor was detected TL sensor may be displaced disconnected or short F07 oO OQ Q ALT TL sensor error Outdoor circuited Entire stop Outdoor unit outside Outdoor temp sensor TO outdoor P C board Open Operation F08 Q ALT Outdoor circuit or short circuit of the outdoor air temp sensor was por air temp sensor error continued detected indaoru niti en tem Room temp sensor TA indoor P C board Open F10 Q ALT sensor TA error P Indoor circuit or short circuit of the room temp sensor TA was Auto reset detected TS 1 sensor may be displaced disconnected or short F12 OO ALT TS 1 sensor error Outdoor circuited Entire stop Abnormal temperature was detected by the temp sensor F13 oO OQ Q ALT Heatsink sensor error Outdoor c IGBT heat sink Entire stop F15 Q ALT Temp Berso Outdoor Temp sensor TE TS may be connected incorrectly Entire stop F29 O e SIM eee pate other P C indoor Indoor P C board EEPROM error Auto reset 36 Toshiba XXXXXXX X X 36 EN Ass aD 00EH99858901 O1EN 4 way IM printOnly book Page 37 Tuesday December 4 2007 2 31 PM 37 EN 4 way Air Discharge Cassette Type Installation Manual Outdoor unit P C F31 OO SIM board Outdo
57. se of check by pulling out the float switch connector be sure to return the connector to the original position Single phase Power 220 240V terminals ZZ RED Black c Pull out connector CN34 Red from P C board Black Bi Perform heat insulating As shown in the figure cover the flexible hose Ie and hose band with the attached heat insulator up to the bottom of the indoor unit without gap Cover the drain pipe seamlessly with a heat insulator to be procured locally so that it overlaps with the attached heat insulator of the drain connecting section Wrap the attached heat insulator seamlessly from the surface of the indoor unit Heat insulator of the Heat insulator to drain connecting be procured locally section Accessory Indoor unit Direct the slits and seams of the heat insulator upward to avoid water leakage 14 E Installation Manual I E t 14 EN a e ll Toshiba XXXXXXX X X ee 15 EN ig o e 00EH99858901 0IEN 4 way IM printOnly book Page 15 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Installation Manual REFRIGERANT PIPING AND EVACUATING B Refrigerant Piping 1 Ifthe outdoor units are to be mounted on a wall make sure that the supporting platform is sufficiently strong The platform should be designed and manufactured to maintain its
58. set the immediately set the temperature to 19 C with temperature to 29 C with the temp setup buttons the temp setup buttons Procedure 5 Cooling test run Heating test run After confirming a signal After confirming a signal receiving sound beep receiving sound beep immediately set the immediately set the temperature to 18 C with temperature to 30 C with the temp setup buttons the temp setup buttons Procedure 6 Repeat procedures 4 gt 5 gt 4 9 Indicators Operation green Timer green and Ready orange in the wireless receiver section flash in approx 10 seconds and the air conditioner starts operation If any of these indicators does not flash repeat procedures 2 to 5 Procedure 7 Upon completion of the test run push ON OFF button to stop operation 31 Installation Manual lt Overview of test run operations using the wireless remote controller gt Y Cooling test run ON OFF 5 18 C gt 19 C gt 18 C gt 19 C gt 18 C 5 19 C 18 C o test run 2 ON OFF V Heating test run ON OFF gt 30 C 5 29 C 2 30 C gt 29 C gt 30 C 5 29 C 2 30 C gt test run ON OF Always select HIGH air volume Toshiba XXXXXXX X X e T ep Sis E o ig 00EH99858901_01EN_4 way_IM_printOnly book Page 32 Tuesday December 4 2007 2
59. sition code 24 EN Toshiba XXXXXXX X X a P S zl ll ee 25 EN Ie o 00EH99858901_01EN_4 way_IM_printOnly book Page 25 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type B How to cancel louver lock Set the wind direction to 0000 of the louver lock setup procedure above Setting data 0000 When the setting is canceled 45 goes out Other operations are the same as those in How to set up louver lock No swing E How to set up power saving mode SAVE 1 Push button for at least four seconds when the air conditioner is not working flashes Indicates CODE No C2 2 Select an indoor unit to be set by pushing 95 left side of the button Each time you push the button unit numbers change as follows Unit No Unit No Unit No 1 1 gt 1 2 3 1 3 Unit No 1 4 The fan of the selected unit runs and the louvers start swinging 3 Adjust the power save setting by pushing TIME CO 2 buttons Each push of the button changes the power level by 1 within the range from 100 to 50 The factory setting is 7596 CODE No SET DATA GSR nM I ru Tu UNIT No LUC UC Fog LL A R C No Setting of power level in power saving mode SET 4 Determine the setting by pushing button 5 Push amp button to complete the setting B Remote controller switch monitoring function This function is available to ca
60. stem follow to Electric work Wiring between lines is performed in the following procedure Connect the terminal block A B of the indoor unit connected with a remote controller to the terminal blocks A B of the indoor units of other indoor units by wiring the inter unit wire of the remote controller When the power supply has been turned on the automatic address setup starts and which indicates that address is being setup flashes on the display part During setup of automatic address the remote controller operation is not accepted Required time up to the finish of automatic addressing is approx 5 minutes NOTE In some cases it is necessary to change the address manually after setup of the automatic address according to the system configuration of the group control The above mentioned system configuration is a case when complex systems in which systems of the multiple twin unit is controlled as a group by a remote controller Example Group control for complex system Example of random setup Procedure lt Single system gt lt Twin system gt example qn ea i Outdoor unit i Outdoor unit 1 i i i E i i i After setup of automatic address Indoor address Example of address setup change The above address is set by the automatic addressing when the power is turned on However line addresses and indoor addresses are set randomly For this reason change
61. t strong alkaline or acid cleaning agent is used the surface treatment of the heat exchanger will be marred which may degrade the self cleaning performance For details contact the dealer 34 Installation Manual NOTE ANNUAL MAINTENANCE For Air conditioning system which is operated regularly cleaning and maintenance of the indoor outdoor units are strongly recommended As a general rule if an indoor unit is operated for about 8 hours daily the indoor outdoor units will need to be cleaned at least once every 3 month This cleaning and maintenance shall be carried out by a qualified person Failure to clean the indoor outdoor units regularly will result in poor performance freezing water leaking and even compressor failure e 34 EN Toshiba XXXXXXX X X T a o A e 00EH99858901_01EN_4 way_IM_printOnly book Page 35 Tuesday December 4 2007 2 31 PM ee 4 way Air Discharge Cassette Type 1 7 TROUBLE SHOOTING B Confirmation and check When a trouble occurred in the air conditioner the check code and the indoor unit No appear on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Check code Indoor unit No in which an error occurred B Confirmation of error history
62. t R22 in order to prevent destruction of the ozone layer Contents 1 ACCESSORY PARTS seen hh hh nnn hinh nnns 2 2 PRECAUTIONS FOR SAFETY 0 00 cece eee hn 3 3 SELECTION OF INSTALLATION PLACE 0 00 cece eee RR RI m nh 5 4 INSTALLATION 3 upra uu ken weite Ue Un Pa Ee E DUE we See Y OE ROO Pee ae I SOR ie 8 5 DRAIN PIPING WORK 0 00 cece Rh ee RR RR nnns 12 6 REFRIGERANT PIPING AND EVACUATING 2 0000 c eeu n RI n n n nn 15 7 ELECTRICAL WORK 0 00 cece eee ee eee eee nnn 18 8 APPLICABLE CONTROLS 2 ccc eee eee ee ee eee eee 21 9 EST RUIN arse a ee eee ce ee ease ee ee eb cece ae cane Petia a a eee ee elas 30 10 MAINTENANCE 2 52 che ecn ede bed 99A SiG eaied c dong IDevevetvuuei Rx 33 11 TROUBLE SHOOTING cc cece eee ees 35 9 o Toshiba XXXXXXX X X um e T L e 1 00EH99858901_01EN_4 way_IM_printOnly book Page 2 Tuesday December 4 2007 2 31 PM T 4 way Air Discharge Cassette Type Installation Manual 1 ACCESSORY PARTS E Accessory parts Part name Q ty Shape Usage Installation Manual 2 These manual Be sure to hand over to customers Heat insulating pipe 2 3 For heat insulation of pipe connecting section For confirmation of ceiling opening and indoor unit Installation pattern 1 position Installation gauge e For positioning of ce
63. te Jhead H controllers are set as header in the double remote uplicated header emote controller control EUR e o remote controllers controller The header indoor unit stops raising alarm and follower indoor units continue to operate CPU CPU Indoor P C board Communication error between main EU e communication error Indoor MCU and motor microcomputer MCU Autozreset ee Indoor P C board Regular communication is not E18 Oo o e eaula camm hicatianm Indoor possible between header and follower indoor units or Auto reset E between twin header main and follower sub units E31 o o Q niin communication Outdoor Communication error between IPDU and CDB Entire stop Indoor unit heat Heat exchanger sensor TCJ indoor P C board F01 Q9 ALT exchanger sensor Indoor Open circuit or short circuit of the heat exchanger sensor Auto reset error was detected TCJ TCJ detected Indoor unit heat Heat exchanger sensor TC indoor P C board Open F02 e ALT exchanger sensor TC Indoor circuit or short circuit of the heat exchanger sensor TC Auto reset error was detected Outdoor unit discharge Outdoor temp sensor TD outdoor P C board Open F04 Q ALT temp sensor TD Outdoor circuit or short circuit of the discharge temp sensor was Entire stop error detected Outdoor unit tem Outdoor temp sensors TE TS outdoor P C board F06 Q ALT sensor TE TS ee Outdoor Open circuit or sho
64. the setting to match line SS After setup change of Address 1 1 1 Address 2 1 2 Address 2 2 2 addresses with indoor addresses manual address L 26 26 EN SUA P Ass Toshiba XXXXXXX X X 4je UY 27 EN ig o 00EH99858901_O1EN_4 way_IM_printOnly book Page 27 Tuesday December 4 2007 2 31 PM 4 way Air Discharge Cassette Type Procedure example Manual address setup procedure While the operation stops change the setup Be sure to stop the operation of the unit QAR FILTER RESET TEST Procedure 1 Push simultaneously 5 buttons for 4 seconds or more After a while the display part flashes as shown below Check the displayed CODE No is 10 When the CODE No is other than 10 push e button to erase the display and repeat procedure from the first step After pushing 5 button operation of the remote controller is not accepted for approx 1 minute For a group control No of the firstly displayed indoor unit becomes the header unit Display changes according to the model No of indoor unit Procedure 2 Every pushing 2 5 button the indoor unit No in the group control is displayed in order Select the indoor unit of which setup is changed In this time the position of the indoor unit of which setup is changed can be confirmed because fan and louver of the selected indoor unit operate
65. when wiring the power supply Inappropriate grounding may cause electric shock For the refrigerant recovery work collection of refrigerant from the pipe to the compressor stop the compressor before disconnecting the refrigerant pipe If the refrigerant pipe is disconnected while the compressor is working with the valve open the compressor sucks air and the refrigeration cycle is overpressurized which may cause a burst or injury E 9 o Toshiba XXXXXXX X X um on T e 1 4 way Air Discharge Cassette Type Installation Manual 00EH99858901_01EN_4 way_IM_printOnly book Page 4 Tuesday December 4 2007 2 31 PM CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of RA10A refrigerant are easy to absorb water oxidizing membrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant Accordingly the exclusive tools ar

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