Hitachi Summit RAC-18YH5 Скачать руководство пользователя страница 4

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(6) Use a three wire type soldering iron including a grounding wire.

Use a high insulation mode (100V, 10M9 or higher) when ordinary iron is to be used.

(7) In checking circuits for maintenance, inspection, or some others, be careful not to have the test probes

of the measuring instrument shortcircuit a load circuit or the like.

Bare copper wire (for body earth)

Metal plate (of Al. stainless steel, etc.)

Working table

Resistor 1M9(1/2W)

Earth wirte

Staple

soldering iron

Grounding wire

Screw stop at the screwed
part using a rag plate

– 2 –

Содержание Summit RAC-18YH5

Страница 1: ...OF MAIN CIRCUIT OPERATION 37 SERVICE CALL Q A 65 TROUBLE SHOOTING 68 PROCEDURE FOR DISASSEMBLY AND REASSEMBLY 94 PARTS LIST AND DIAGRAM 96 CONTENTS RAS 18YH5 RAC 18YH5 RAC 18YH5 RAS 18YH5 W A kW B T U h W A kW B T U h W H D kg RAS 18YH5 RAC 18YH5 DC INVERTER WALL TYPE TYPE MODEL POWER SOURCE TOTAL INPUT TOTAL AMPERES CAPACITY TOTAL INPUT TOTAL AMPERES CAPACITY DIMENSIONS mm NET WEIGHT 780 280 210 ...

Страница 2: ...ccurrence of any accident such as electrical shock leak of current or bodily injury due to the drop of any part 8 To check the insulation of the unit measure the insulation resistance between the power cord plug and grounding terminal of the unit The insulation resistance should be 1M9 or more as measured by a 500V DC megger 9 The initial location of installation such as window floor or the other ...

Страница 3: ...n rejected goods should be handled in the same way 2 When any part is handled uncovered in counting packing and the like the handling person must always use himself as a body earth Make yourself a body earth by passing one M ohm earth resistance through a ring or bracelet 3 Be careful not to touch the parts with your clothing when you hold a part even if a body earth is being taken 4 Be sure to pl...

Страница 4: ...g circuits for maintenance inspection or some others be careful not to have the test probes of the measuring instrument shortcircuit a load circuit or the like Bare copper wire for body earth Metal plate of Al stainless steel etc Working table Resistor 1M9 1 2W Earth wirte Staple soldering iron Grounding wire Screw stop at the screwed part using a rag plate 2 ...

Страница 5: ...sion that the cooling and heating operation does not start for 3 minutes it is not abnormal and this is the result of the operation of IC delay circuit This IC delay circuit ensures that there is no danger of blowing fuse or damaging parts even if operation is restarted accidentally 5 This room air conditioner should not be used at the cooling operation when the outside temperature is below 10 C 1...

Страница 6: ...SPECIFICATIONS 0 4 ...

Страница 7: ...which may result in serious consequences if not observed properly Please observe all instructions strictly to ensure safety The signs indicate the following meanings The following are examples of signs Please keep this manual after reading This sign in the figure indicates prohibition Indicates the instructions that must be followed Do not reconstruct the unit Water leakage fault short circuit or ...

Страница 8: ...filter The lamp goes out when the Ò AUTO SWING Ó button is pressed while the operation is stopped This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating For about 2 3 minutes after starting up Defrosting will be performed about once an hour when frost forms on the heat exchanger of the outdoor unit for 5 10 minutes each time Use this switch to start and ...

Страница 9: ... selector button during operation the device may stop for about 3 minutes for protection AUTO HEAT DEHUMIDIFY COOL FAN FAN SPEED LOW MED HI SLEEPING STOP CANCEL START RESERVE START STOP TIME TIMER SET TIMER SELECTOR ON TIMER OFF TIMER AUTO SWING Ð 7 Ð If there is a power failure operation will be automatically restarted when the power is resumed with previous operation mode and airflow direction A...

Страница 10: ... performed about once an hour when frost forms on the heat exchange of the outdoor unit for 5 10 minutes each time During defrosting operation the operation lamp blinks in cycle of 3 seconds on and 0 5 second off The maximum time for defrosting is 20 minutes If the piping length used is longer than usual frost will likely to form Ð 9 Ð Use the device for dehumidifying when the room temperature is ...

Страница 11: ... the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions As the settings are stored in memory in the remote controller you only have to press the START STOP button next time Ð 11 Ð Press the START STOP button Fan operation starts with a beep Press the button again to stop operation You can use the d...

Страница 12: ... is now complete AM PM PM PM Example The current time is 1 30p m 2 Set the turn off time with the TIMER control button PM 3 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The OFF mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit PM Example The device will turn off at...

Страница 13: ...horizontal air deflector is automatically set to the proper angle suitable for each operation The deflector can be swung up and down continuously and also set to the desired angle using the Ò AUTO SWING Ó button In ÒCoolingÓ operation do not keep the horizontal air deflector swinging for a long time Some dew may form on the horizontal air deflector and dew may drop CAUTION 2 Adjustment of the cond...

Страница 14: ... if you continue Ð 17 Ð Remove the front panel and wash with clean water Wash it with a soft sponge After using neutral detergent wash thoroughly with clean water When front panel is not removed wipe it with a soft dry cloth Wipe the remote controller thoroughly with a soft dry cloth Wipe the water thoroughly If water remains at indicators or signal receiver of indoor unit it causes trouble Method...

Страница 15: ...g is complete beep and the TIMER lamp of the indoor unit lights If the SLEEP button is pressed while the ON OFF timer is programmed the sleep timer takes priority During sleep timer operation the fan speed sets to LOW regardless of the preset speed The remote controller display indication will remain unchanged even with the LOW setting PROHIBITION Ð 19 Ð PLEASE CHECK THE FOLLOWING POINTS EVERY EIT...

Страница 16: ...generated as the air within the room is suddenly cooled by conditioned air Water generated during defrosting operation evaporates and steam is emitted Caused as the smells and particles of smoke food cosmetics etc present in room air become attached the unit and blown off into the room again Defrosting is underway as the heating operation is stopped the microcomputer checks frost accumulated in th...

Страница 17: ... 01 2 34 5 6 2 7 6 7 8 3 9 15 ...

Страница 18: ... φ 0 φ φ 0 1 1 1 2 33 16 ...

Страница 19: ...MAIN PARTS COMPONENT THERMOSTAT FAN MOTOR 0 0 1 0 2 3 2 3 2 4 3 5 6 76 5 1 8 1 8 1 8 1 8 0 8 8 8 0 0 8 0 8 1 9 8 1 9 9 8 1 9 1 1 9 1 0 9 MAIN ELECTRIC COMPONENTS FOR OUTDOOR UNIT 17 ...

Страница 20: ... 0 0 1 203 1 202 4 5 5 6 6 728 5 9 7 8 2 7 4 18 ...

Страница 21: ... 19 ...

Страница 22: ...0k R4 100k R5 Q1 2SC3443 or 2SC2982 R6 R7 R9 D2 D1 D1 D2 EL 1L7 D3 1 2 RB425D R10 12M K19 X1 C9 R11 R15 R16 R13 R14 910kHz 105 104 104 150k X2 kHz C4 C5 C6 C7 18p 22p R12 220k 220K 220k 100k 100k 32 768 C1 C2 C3 220p 220p 334 R6 R9 24 1 8W R8 330 SW 187 2P 01 2 3 0 4 0 0 5 06 7 7 01 2 5 8 0 9 4 1 9 06 3 0 4 4 1 7 0 7 06 7 7 7 WIRING DIAGRAM OF THE PRINTED WIRING BOARD ...

Страница 23: ...RAS 18YH5 MODEL Control P W B Indicating P W B Display Auto Sweep Motor Light Receiving Unit IRR 21 ...

Страница 24: ...RAC 18YH5 MODEL ＡＸ８Ｔ１１ SELF CHECK SELF MODE SERVICE SW RED RED RED 23 ...

Страница 25: ... 25 0 0 0 1 1 1 1 2 0 1 3 44 5 1 1 6 7 4 887 8972 ...

Страница 26: ... 27 ...

Страница 27: ... 28 Mode data file RAS 18YH5 VALUE LABEL NAME ...

Страница 28: ... 29 0 1 1 2 334 5 22 1 6 0 7 0 7 6 8 1 9 0 1 1 66 66 5 0 7 22 22 1 1 ...

Страница 29: ...the cancel button or sleep button all data is cleared Ð1 33ûC Ð0 66ûC 1 The operation is done assuming as the preset temperature room temperature at the time Ð 2ûC 2 The indoor fan is operated in the ÒLoÓ mode During thermo OFF indoor fan will be OFF for 5 3 When the operation is started by the themostat turning ON the start of the indoor fan is delayed 32 seconds after the start of compressor ope...

Страница 30: ... 33 0 1 2 2 2 2 2 2 2 1 3 3 2 3 3 3 4 1 5 0 5 6 07 5 8 9 9 4 0 7 3 9 5 9 2 0 7 4 5 2 9 5 2 9 A B56 4 9 C6 0 DE 0 F 9 4 4 9 9 5 6 F G 7 7 G 7 7F G 7 G F G G F G 5 8 7 A H F ...

Страница 31: ... 35 0 1 ...

Страница 32: ... 36 ...

Страница 33: ... 0 1 2 3 4 1 2 0 1 2 3 4 1 2 5 6 6 5 6 6 7 4 4 37 ...

Страница 34: ... 2 Receiver Circuit 3 Buzzer Circuit 01 23 4 5 5 6 6 6 78 9 4 9 5 4 9 8 2 38 ...

Страница 35: ...te to turn the rotor Table 4 1 shows the rotation angle of horizontal air deflectors Microcomputer 18 17 16 15 11 10 12 6 7 5 13 4 IC711 12V CN4 Rotor Auto sweep motor for horizontal air defectors Micro computer pins Step width 10ms Horizontal air deflectors 15 16 17 18 1 2 3 4 5 6 7 8 Table 4 1 Auto sweep Motor Rotation Rotation angle per step û Time per step ms 0 0882 10 Horizontal air deflector...

Страница 36: ...5 Initial Setting Circuit IC401 6 Power Supply 0 1 2 2 3 4 2 5 6 4 7 8 6 9 8 6 40 ...

Страница 37: ... 7 Fan Motor Drive Circuit 0 0 1 2 3 3 0 45 67 8 7 45 3 0 9 0 2 2 1 52 152 2 2 41 ...

Страница 38: ... 0 1 2 3 4 1 2 3 3 3 0 3 5 6 1 7 7 5 8 0 42 ...

Страница 39: ... L1 C023 and L2 The DB3 L1 C023 and L2 shape waveform of the input current When the current runs through the L1 is taken for I1 and the current runs through the L2 is taken for I2 as shown in Fig 2 2 I1 becomes an input current to the capacitor which peak value was crushed by the L1 and I2 becomes a resonance current which causes the LC resonance using the L2 and C023 By combining the I1 and I2 th...

Страница 40: ... 0 1 0 2 3 3 2 3 3 2 3 3 2 44 ...

Страница 41: ...request signal The receiving circuit in the indoor unit consists of a comparator and transistor The interface signal from the outdoor unit on the DC 35V line is supplied to C821 where DC components are eliminated and is then shaped by the comparator The shaped signal is detected by diode amplified by amp and output to pin 9 of the indoor microcomputer Fig 3 2 shows the waveforms at each component ...

Страница 42: ...Fig 3 1 shows the interface circuit used for the indoor and outdoor microcomputers to communicate with each other Fig 3 1 CONTROL P W B 46 ...

Страница 43: ... 1 8 0 9 1 8 0 9 47 ...

Страница 44: ...ations waveforms Leader 100ms Leader 100ms When reset approx 100ms When reset approx 10ms 35 V 34 V 36 V 0 7 0 7 7 7 0 33 3ms 3 2 1 NO 0 Bit No 0 7 0 7 0 7 0 7 Bit No 0 3 2 1 33 3ms 33 3ms 33 3ms Transmit receive switching time 4 95ms 33 3ms 33 3ms Outdoor message Indoor message 33 3ms 33 3ms 0 Character No 1 frame 100ms 33 3ms 8 4 95ms 371 35ms 2 Indoor microcomputer to outdoor microcomputer HIC ...

Страница 45: ... 0 49 ...

Страница 46: ...r module circuit U is ON V is ON IP limitter Fig 4 1 shows the intelligent power module and its peripheral circuit The three transistors on the positive E side are called the upper arm and the three transistors on the negative D side the lower arm E E E 50 ...

Страница 47: ... 4 3 shows voltage waveform at each point shown in Figs 4 1 and 4 4 First half of upper arm is chopper second half is ON and first half of lower arm is chopper second half is ON U Ð diode Point A Fig 4 4 When power is supplied U V Ð because of that U is chopped current flows as shown below 1 When U transistor is ON U transistor U coil V coil V Ð transistor DC current detection resistor Point B Fig...

Страница 48: ... 0 12 3 4 0 12 5 5 4 6 7 3 8 9 3 9 9 9 4 4 4 52 ...

Страница 49: ... 0 1 2 3 4 5 45 5 4 5 45 5 5 4 45 45 5 5 53 ...

Страница 50: ...5 Power Circuit for P W B 54 ...

Страница 51: ... the removed loads If any error is found in this step the power circuit has any failure Replace the power P W B A short circuited load may cause an output error not only in the load but also in the others Be sure to check all outputs of the loads Be sure to wait 15 minutes or more in order to discharge all the remaining voltage in the circuit to connect disconnect the wiring other wise the compone...

Страница 52: ...ing the whole input of this room air conditioner system through the current sensor CT1 in order to keep the maximum rating of components by reading total operating current ID OVL is watching and limits the compressor current through the detection resistor which is built in IPM in order to control the compressor reliability Since the compressor reliability is related with its curve All of OVL opera...

Страница 53: ... 0 1 2 3 2 0 3 4 1 56 220 22 0 5 7 0 0 0 2 8 2 0 2 2 72 72 7 7 9 2 2 1 6 2 0 2 7 2 2 7 2 2 2 2 9 9 2 2 2 2 2 2 7 2 2 2 2 2 22 22 2 2 2 2 227 22 5 5 3 7 2 6 5 3 57 ...

Страница 54: ... 0 1 2 23 23 4 5 6 7 8 6 6 9 0 6 1 3 1 6 0 1 6 6 0 9 58 ...

Страница 55: ...ine voltages rise and 12V line voltage reaches 10 9V an reset voltage input to pin 48 of microcomputer is set to Hi Reset voltage will be hold ÒHiÓ until the 12V line voltage drops to 9 90V even though the power shuts down Fig 6 7 Fig 6 8 MAIN P W B Microcomputer RESET OUT RESET 56 48 C204 0V R252 1 0V 8 2 3 IC5 1 2 5V D208 R287 C215 R284 R286 C225 R285 C226 R292 R289 R288 0V 0V 0V 0V 12V 12V line...

Страница 56: ...ide themicrocomputerstartsdefrostingcontrol During defrosting operation the microcomputer transfers the defrosting condition command to the indoor microcomputerviathecircuitinterface transfersittotheindoorunit thuscontrollingthecompressorrotationspeedaccordingtothevaluesetatthe EEPROMintheindoorunit andswitchingtheoperationstatus outdoorfanon off etc inthedehumidifying mode Thefollowingshowsthetyp...

Страница 57: ... 0 0 0 1 8 Reversing valve control circuit 2 334 5 4 6 5 7 8 0 3 0 8 0 8 0 61 ...

Страница 58: ... 1 2 3 4 2 5 2 6 2 7 2 2 5 2 2 2 7 2 0 7 2 3 42 7 8 0 2 2 2 9 2 4 8 2 2 5 2 2 2 5 2 2 5 2 7 3 0 2 5 2 7 2 2 7 2 0 7 2 5 2 2 2 7 3 42 0 7 0 2 0 7 2 2 0 9 Electric expansion valve control circuit 0 0 4 8 62 ...

Страница 59: ...rease pulse width FG feedback Slower Instruction Faster Increase pulse width FG pulse is also used for Fan Motor failure detection Microcomputer will monitor FG pulse 30 seconds after start the fan motor If there is no signal detected it will consider that the Fan Motor was malfunction and stop the operation In this case LD302 on control R107 and IC4 are used for Fan Motor over current Vsp high Fa...

Страница 60: ...rowing inside of outdoor unit by snowing unit will be restart again after a while In case of Ò Fan Lock StopÓ even though the DC Fan Motor is rotating correctly the possible cause in Fan Motor problem or control board problem Stop after the Fan motor runs 2 minutes Fan Motor may be broken Caution Please take care for the electrical shock by high voltage of DC Fan Motor power source which is common...

Страница 61: ...GH through MED to LOW while the temperature is preset at 30 Check if the indoor heat exchanger is frosted Wait for 3 4 minutes until it is defrosted If the air conditioner operates in cooling mode when it is cold the evaporator may get frosted It occurs during defrost ing Wait for 5 10 minutes until the condenser is defrosted At the beginning of heating the fan speed remains LOW for 30 seconds If ...

Страница 62: ... 66 AUTO FRESH DEFROSTING AUTO OPERATION NICE TEMPERATURE RESERVATION INFRARED REMOTE CONTROL Q8 A8 Q9 A9 Q10 A10 Q11 A11 A12 Q13 A13 Q14 A14 Q15 A15 Q12 ...

Страница 63: ...adjust the temperature within a range of 3 C by pressing the ÒRoom TemperatureÓ button If the temperature is 1 C higher than the auto preset temperature 1 C will appear If the temperature is 1 C lower than the auto preset temperature 1 C will appear heard when operation is started When operation is started the compressor rotation speed goes to maximum to increase the heating or cooling capability ...

Страница 64: ...ground it Don t forget that high voltage as noted in the figure above may apply to the oscilloscope Remember that voltage of 175 V is applied to the 0V line on the P W B or the like as shown in the right diagram Indoor Controller Outdoor Controller Power Switch Point 400 F I P M Compressor motor Point line Control P W B Main P W B Voltage at point A Ground voltage Grounding 350V Point B 0V line Po...

Страница 65: ...smoothing capacitors Discharge Procedure 1 Turn off the power of the indoor unit or pull out the power supply plug 2 After power is turned off wait for 10 minutes or more Then remove electrical parts cover and apply soldering iron of 30 to 75 W for 15 seconds or more to TAB3 GRAY and TAB4 RED terminals on the main P W B as shown in the figure below in order to discharge voltage in smoothing capaci...

Страница 66: ...e connectors from the CN1 heat exchange thermistor CN4 stepping motor and CN10 fan motor 3 Remove two lock screws 4 Remove the electrical parts in the direction of arrow Removing control P W B 1 Remove the connectors from the CN2 and CN3 2 Remove the P W B from the P W B support MODEL RAS 18YH5 STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS ELEC COVER P W B SUPPORTER P W B SUPPORTER P W B SUPPORTER P ...

Страница 67: ... 71 0 0 1 2 31 0 4 5 0 6 1 6 6 0 1 5 0 1 6 0 0 6 0 ...

Страница 68: ... 72 0 1 2 THE SUPPORT FUNCTION OF FAILURE DIAGNOSIS ...

Страница 69: ... 73 0 1 2 3 4 5 6 3 3 7 8 6 9 3 8 6 9 3 6 8 698 6 6 60 9 6 8 ...

Страница 70: ... 74 ...

Страница 71: ...al No Yes Check the drive circuit IMP using the PRD checker Check the position sensor circuit With the unit set in the operating state press the start stop button Does the unit operate for approximately 2 seconds the LD303 coming on and then stop due to a failure of switching the lamp blinking 4 times IPM INTELLIGENT POWER MODULE SELF DIAGNOSIS LAMPS LD301 LD302 LD303 SERVICE SWITCH ...

Страница 72: ...ect Is the compressor running Check if the connecting cable connected incorrectly inserted incompletely or disconnected Not running Running Open the outdoor unit and observe the self diagnosis lamp LD301 Count how many times the lamp blinks Blinks other than 1 time Blinks 1 time Can the unit be operated using the outdoor unit service switch See the nameplate on the outdoor unit for operating instr...

Страница 73: ...nection incomplete insertion outdoor unit terminal board Is DC35V or 20V being generated between terminals C and D on the indoor unit terminal board Is the microcomputer reset input pin 7 Hi Is the microcomputer clock signal generated normally Is DC35V is being generated between terminals C and D on the outdoor unit terminal board Are C and D connection cables reversed Connect the cables correctly...

Страница 74: ...peration check Are pulse signals output at microcomputer pins 15 18 when auto swing is turned on in the fan mode Replace the microcomputer Is a voltage over 15 or below 10V being generated on the 12V line No No No No Perform final operation check output at pin 24 is 1 5V Check IC711 If it is normal replace the air deflector motor Replace IC111 3 Air deflector does not move others are normal Yes Ye...

Страница 75: ...inal board Insert the connection cable securely Replace IC121 Check if a short occurs in the 5V line If the 5V line is shorted ICP1 will be open again Check to see if the connection cables are disconnected or reversed If normal check the outdoor unit P W B Has the terminal board thermal fuse blown open Replace Q111 and IC111 Is DC5V being generated Perform final operation check When the unit is no...

Страница 76: ... the test card The sensible area should flash in orange when you operate the remote control unit if it is good Ultra redray test card Sensible area Within 2 cm Check functions again If it does not work replace the remote controller ÒBuzzÓ Within 15 cm AM radio Check the LED D1 with a multimeter Replace the battery Install the battery in the correct polarity Yes Yes No No No Yes Does the radio buzz...

Страница 77: ... 81 ...

Страница 78: ...ment capacitor Designed to improve power factor To replace the capacitor remove the power P W B and then 1 Remove two screws fastening the capacitor seat 2 Slide the capacitor seat in the direction of the arrow Sliding Direction ...

Страница 79: ...so be defective Replace defective parts Is the power circuit normal See the description on power circuit for details Is the switching power circuit OK Has the 3A fuse blown Check to see if C and D cables are connected correctly If reversed or incompletely inserted correct the cable connection Replace any defective parts If the 3A fuse has blown the varistor 2 etc may also be defective With the pip...

Страница 80: ... 84 0 1 0 1 2 0 3 4 1 3 0 3 1 5 5 5 5 5 5 5 5 ...

Страница 81: ...AB 4 TAB 5 TAB 6 TAB 11 TAB 12 reactor and C023 yellow green connected properly Connect properly Replace the power P W B Possible causes include Power relay malfunction Defective microcomputer terminal Yes Yes Yes No No No Apply AC220 230V Is AC220 230V being output at terminals A and B on the terminal board ...

Страница 82: ... 86 0 1 0 2 3 2 3 4 4 4 4 4 ...

Страница 83: ... 87 ...

Страница 84: ... 88 0 10 2 3 3 4 1 2 2 5 2 6 7 7 7 7 7 7 7 3 3 3 3 3 3 3 ...

Страница 85: ... 89 0 12 3 3 3 ...

Страница 86: ... 90 0 12 1 3 4 5 4 5 4 5 4 65 65 7 6 8 9 2 8 5 ...

Страница 87: ...l operate in the forced cooling mode at this time 0 1 0 0 2 3 4 5 6 4 5 1 4 5 4 5 7 5 Do not operate for more than 5 minutes 8 4 5 4 5 4 5 9 HOW TO OPERATE USING THE SERVICE SWITCH THE OUTDOOR UNIT HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY ...

Страница 88: ... 92 IPM Intelligent Power Module DIAGNOSIS ...

Страница 89: ...rduetoitsbattery connectioninside note Sometimes itmaymisjudgeasOKbecauseoflowconductivitywhenpowermodulewasdamagedas disconnectmode Inthiscase please checktheresistancebyreversingtheprobepolarityandconsider OKwhenitwaslowresistance Also itisOKiftheresistancewasassameastheotherphases U V W Drivercircuit internalIC 15VwillnotbegeneratedwhentheinternalIChasmalfunctioned procedurefollowing ReplaceP W...

Страница 90: ... 94 1 Front Panel 2 Front cover 0 1 2 1 3 3 Control P W B and Indicating P W B 1 0 3 4 Procedure for Disassembly and Reassembly 1 1 1 ...

Страница 91: ... 95 4 Tangential air flow fan and fan motor 1 Electrical parts 0 1 211 3 0124 5 6 78 ...

Страница 92: ... 96 ...

Страница 93: ... 97 ...

Страница 94: ... 98 ...

Страница 95: ... 99 ...

Страница 96: ...Printed in Japan TSK AW NO 0010E RAS 18YH5 RAC 18YH5 F ...

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