Инструкция на Настенные сплит-системы Toshiba серии RAS .... (сервис-мануалы)

Текст инструкции

1. Стр. 1 SERVICE MANUAL

   SPLIT TYPE Indoor Unit Outdoor Unit <High Wall, Heat Pump Type> <Heat Pump Type> RAS-13N3KV-E RAS-13N3AV-E ONE-T OUCH SWING FAN FIX QUIET COM FOR SLEE T P Hi POW ER R410A July, 2012

2. Стр. 3 1. SAFETY PRECAUTIONS

   For general public use Power supply cord of parts of appliance for outdoor use shall be at least polychloroprene sheathed flexible cord (design H07RN-F) or cord designation 60245 IEC66 (1.5 mm2 or more). (Shall be installed in accordance with national wiring regulations.) CAUTION New Refrigerant Air…

3. Стр. 4 WARNING

   • Never modify this unit by removing any of the safety guards or bypass or bypass any of the safety interlock switches. • Do not install in a place which cannot bear the weight of the unit. Personal injury and property damage can result if the unit falls. • Before doing the electrical work, attach…

4. Стр. 5 2. SPECIFICATIONS

   1-1. Specifications Unit model RAS-13N3KV-E Indoor RAS-13N3AV-E Outdoor Cooling capacity (kW) 3.5 Cooling capacity range (kW) 1.1 - 4.0 Heating capacity (kW) 4.2 Heating capacity range (kW) 0.9 - 5.0 Power supply Electric 1Ph/50Hz/220-240V, 1Ph/60Hz/220-230V Indoor characteristic Outdoor Operation…

5. Стр. 6 2-3. Operation Characteristic Curve

   <Heating> Current (A) Current (A) <Cooling> Conditions o Conditions o Indoor : DB 20oC Indoor : DB 27 C/WB 19 C o Outdoor : DB 35 C Air Flow : High Pip Length : 5m Voltage : 230V 1 Outdoor : DB 7oC/WB 6oC Air Flow : High Pip Length : 5m Voltage : 230V Compressor Speed (rps) Compressor Speed (rps)…

6. Стр. 7 3. REFRIGERANT R410A

   This air conditioner adopts the new refrigerant HFC (R410A) which does not damage the ozone layer. The working pressure of the new refrigerant R410A is 1.6 times higher than conventional refrigerant (R22). The refrigerating oil is also changed in accordance with change of refrigerant, so be careful…

7. Стр. 8 Table 3-2-1 Thicknesses of annealed copper pipes

   Thickness (mm) Nominal diameter Outer diameter (mm) R410A R22 1/4 6.35 0.80 0.80 3/8 9.52 0.80 0.80 1/2 12.70 0.80 0.80 5/8 15.88 1.00 1.00 2. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to…

8. Стр. 9 d) Flare Processing

   Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. Flare processing dimensions differ according to the type of flare tool. When using a conventional flare…

9. Стр. 10 Table 3-2-6 Flare and flare nut dimensions for R22

   Dimension (mm) Nominal diameter Outer diameter (mm) Thickness (mm) A B C D Flare nut width (mm) 1/4 6.35 0.8 9.0 9.2 6.5 13 17 3/8 9.52 0.8 13.0 13.5 9.7 20 22 1/2 12.70 0.8 16.2 16.0 12.9 20 24 5/8 15.88 1.0 19.7 19.0 16.0 23 27 3/4 19.05 1.0 23.3 24.0 19.2 34 36 45˚ 6˚ to 4 B A C 43˚ D to 4 5˚…

10. Стр. 11 3-3. Tools

    3-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7…

11. Стр. 12 3-4. Recharging of Refrigerant

    When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the…

12. Стр. 13 1. Be sure to make setting so that liquid can be charged

    2. When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment…

13. Стр. 14 2. Characteristics required for flux

    • Activated temperature of flux coincides with the brazing temperature. • Due to a wide effective temperature range, flux is hard to carbonize. • It is easy to remove slag after brazing. • The corrosive action to the treated metal and brazing filler is minimum. • It excels in coating performance and…

14. Стр. 15 4. CONSTRUCTION VIEWS

    4-1. Indoor Unit 790 225 Air filter Front panel 63 48 Heat exchanger 480 Installation plate hanger Wireless remote controller Installation plate hanger Connecting pipe (0.40m) (Flare 6.35mm) Minimum Hanger distance Minimum Minimum distance 275 to wall 170 or more 40 170 or more 190 distance to wall…

15. Стр. 16 4-2. Outdoor Unit

    A R15 36 Ø6 hole R5.5 Ø6 hole Ø11x14 hole 36 50 R15 A detail Drawing (Back leg) Ø 25 Drain outlet 2- Ø11 x 14 Hole (For Ø8 -Ø10 anchor bolt) B Detail Drawing (Front leg) FAN-GUARD Ø 436 COVER-PV 275 550 Z Electrical part cover Liquid side (Flare Ø 6.35) Gas side ( Flare ∅ 9.52) Z View Service port 2…

16. Стр. 17 5. WIRING DIAGRAM

    COMPRESSOR 1 1 CM 23 23 CN300 RED P04 WHI P05 BLK P06 Q200~205 IGBT P.C.BOARD (MCC-5009) R221 P25 YEL Q300~305 MOS-FET R321 P23 R220 R320 R219 R319 P22 P21 BRW P20 P35 L03 YEL P34 F03 FUSE T3.15A AC250V C13 L01 PMV PULSE MOTOR VALVE CN603 1 1 SURGE ABSORBER C14 POWER RELAY P19 P18 P11 2 2 F01 FUSE…

17. Стр. 18 6. SPECIFICATIONS OF ELECTRICAL PARTS

18. Стр. 19 7. REFRIGERANT CYCLE DIAGRAM

    INDOOR UNIT T1 Temp. measurement Indoor heat exchanger P Pressure measurement Gauge attaching port Vacuum pump connecting port TA Deoxidized copper pipe Outer dia. : 6.35mm Thickness : 0.8mm Sectional shape of heat insulator Deoxidized copper pipe Outer dia. : 9.52mm Thickness : 0.8mm Allowable pipe…

19. Стр. 20 7-2. Operation Data

    <Cooling> Tempeature Standard condition(°C) pressure Heat exchanger Indoor Outdoor Compressor pipe temp. fan mode fan mode revolution Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 27/19 35/- 0.8 to 1.0 11 to 13 46 to 48 (rps) High High 79 <Heating> Tempeature Standard Heat exchanger Indoor Outdoor…

20. Стр. 21 8. CONTROL BLOCK DIAGRAM

    8-1. Indoor Unit Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (Tc) Louver Motor Functions • Cold draft preventing Function Room Temperature Sensor (Ta) • 3-minute Delay at Restart for Compressor Infrared Rays Signal Receiver and Indication • Fan Motor Starting Control Initializing Circuit •…

21. Стр. 22

    Heat exchanger temp.sensor Suction temp. sensor Outdoor air temp. sensor Discharge temp. sensor Noise Filter Indoor unit send/receive circuit 220–240V ~50Hz 220−230V ~60Hz For INDOOR UNIT Relay circuit 4-way valve P.M.V. Converter (AC → DC) Clock frequency 4MHz Driver circuit of P.M.V. Input current…

22. Стр. 23 9. OPERATION DESCRIPTION

    • Detection of inverter input current and current release operation • Over-current detection and prevention operation to IGBT module (Compressor stop function) • Compressor and outdoor fan stop function when serial signal is off (when the serial signal does not reach the board assembly of outdoor…

23. Стр. 25 Operation flow and applicable data, etc

    1. Basic operation Description 1. Operation control Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are controlled. 1) The operation conditions are selected by the remote controller as shown in the below. 2) A signal is sent by ON button of the remote…

24. Стр. 26 1. Basic

    operation Operation flow and applicable data, etc. Description 2. Cooling/Heating operation The operations are performed in the following parts by controls according to cooling/heating conditions. 1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal…

25. Стр. 27 Operation flow and applicable data, etc

    2. Indoor fan motor control <In cooling operation> (This operation controls the fan speed at indoor unit side.) The indoor fan (cross flow fan) is operated by the phasecontrol induction motor. The fan rotates in 5 stages in MANUAL mode, and in 5 stages in AUTO mode, respectively. (Table 1) COOL ON…

26. Стр. 28 Operation flow and applicable data, etc

    2. Indoor fan motor control Description <In heating operation> 1) When setting the fan speed to L, L+, M, M+ or H on the remote controller, the operation is performed with the constant speed shown in Fig. 3 and Table 1. 2) When setting the fan speed to AUTO on the remote controller, revolution of…

27. Стр. 29 таблицы и схемы — в просмотре

28. Стр. 30 4. Capacity

    control Operation flow and applicable data, etc. Description The cooling or heating capacity depending on the load is adjusted. According to difference between the setup value of temperature and the room temperature, the capacity is adjusted by the compressor revolution. 1) The difference between…

29. Стр. 31 Operation flow and applicable data, etc

    Indoor heat exchanger temperature 6. Release protective <In cooling/dry operation> control by tempera- (Prevent-freezing control for indoor heat exchanger) ture of indoor heat In cooling/dry operation, the sensor of indoor heat exchanger exchanger detects evaporation temperature and controls the…

30. Стр. 32 Operation flow and applicable data, etc

    7. Defrost control (This function removes frost adhered to the outdoor (Only in heating heat exchanger.) operation) The temperature sensor of the outdoor heat exchanger (Te sensor) judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4-way valve…

31. Стр. 33 Operation flow and applicable data, etc

    Description 8. Louver control This function controls the air direction of the indoor unit. 1) Louver • The position is automatically controlled according to the operation position mode (COOL/HEAT). • The set louver position is stored in memory by the microcomputer, and the louver returns to the…

32. Стр. 34 9. ECO

    operation Operation flow and applicable data, etc. Description When pressing [ECO] button on the remote controller, a Economic operation is performed. <Cooling operation> <Cooling operation> This function operates the air conditioner with the difference between the set and the room temperature as…

33. Стр. 35 Operation flow and applicable data, etc

    10. Temporary Pressing [RESET] button starts the temporary operaoperation tion of [AUTO] operation. When keeping [RESET] button pressed for 10 seconds or more, the temporary [COOL] operation is performed. YES Filter lamp ON Press RESET button. NO NO Did you press [RESET] button for 3 seconds or…

34. Стр. 36 Operation flow and applicable data, etc

    Description 12. Pulse Modulating valve (P.M.V.) control This function controls throttle amount of the refrigerant in the refrigerating cycle. According to operating status of the air conditioner, this function also controls the open degree of valve with an expansion valve with pulse Modulation. 1)…

35. Стр. 37 Description

    Operation flow and applicable data, etc. 13. Self-Cleaning function Unit now performing cooling or dry operation Press “STOP” button Only timer indicator lights, and Self Cleaning operation starts 1. Purpose The Self-Cleaning operation is to minimize the growth of mold, bacteria etc. by running the…

36. Стр. 38 13. Self-Cleaning

    function Operation flow and applicable data, etc. Description • Self-Cleaning diagram Operation display ON OFF OFF FCU fan ON rpm is depend on presetting. ON (500RPM) OFF FCU louver OPEN OPEN (12.7º) CLOSE Timer display ON or OFF depend on presetting of timer function. ON ON or OFF depend on…

37. Стр. 39 Description

    Operation flow and applicable data, etc. J201 PCB NO : WP-020 14. Remote-A or B Setting the remote controller selection To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly. Remote Control B Setup. 1) Press RESET button on the indoor unit to turn…

38. Стр. 40 15. QUIET mode

    Description Operation flow and applicable data, etc. When the [QUIET] button is pressed, the fan of the indoor unit will be restricted the revolving speed at speed L − until the [QUIET] button is pressed once again (cancel Quiet mode). Quiet mode is the system which, control the revolving speed of…

39. Стр. 41 18. Hi-POWER

    Mode Operation flow and applicable data, etc. Description ([Hi-POWER] button on the remote controller is pressed) When [Hi-POWER] button is pressed while the indoor unit is in Auto, Cooling or Heating operation, HiPOWER mark is indicated on the display of the remote controller and the unit operates…

40. Стр. 42 9-3. Auto Restart Function

    This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down. The operation will resume without warning three minutes after power is restored. This function…

41. Стр. 43 9-3-2. How to Cancel the Auto Restart Function

    To cancel auto restart function, proceed as follows : Repeat the setting procedure : the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote controller after the main power supply is turned off. • When the system is on stand-by (not operating)…

42. Стр. 44 9-4. Remote control

    9-4-1. Function of Push Putton Infrared signal emitter Start/Stop button Mode select button (MODE) Temperature button (TEMP) Fan speed button (FAN) Swing louver button (SWING) Set louver button (FIX) On timer button (ON) Off timer button (OFF) Setup button (SET) Clear button (CLR) Memory and Preset…

43. Стр. 45 4. DRY OPERATION (COOLING ONLY)

    For dehumidification, a moderate cooling performance is controlled automatically. 1. Press MODE : Select Dry . 2. Press MODE : Set the desired temperature. 5. Hi-POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating operation (except in DRY and FAN ONLY…

44. Стр. 46 9. PRESET OPERATION

    Set your preferred operation for future use. The setting will be memorized by the unit for future operation (except air flow direction). 1. Select your preferred operation. 2. Press and hold PRESET for 3 seconds to memorize the setting. The P mark displays. 3. Press PRESET : Operate the preset…

45. Стр. 47 9-4-2. Display of Remote Control

    All indications, except for the clock time indicator, are displayed by pressing the 1. Transmission mark button. 5. TIMER and clock time indicator This transmission mark indicates when the remote controller transmits signals to the indoor unit. The time setting for timer operation or the clock time…

46. Стр. 48 10. INSTALLATION PROCEDURE

    170 mm o 65 mm or more 10-1. Installation Diagram of Indoor and Outdoor Units rm o re H oo Air (At tac ht ot he For the rear left and left piping Hook Installation plate 1 170 k mm or m ore filte r Wall Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better…

47. Стр. 49 10-2. Installation

    10-2-1. Optional installation parts Part Code Parts name Q'ty A Refrigerant piping Liquid side : ∅6.35 mm Gas side : ∅9.52 mm One each B Pipe insulating material (polyethylene foam, 6 mm thick) C Putty, PVC tapes 1 One each <Fixing bolt arrangement of outdoor unit> 108 mm 125 mm Air inlet 25 m m 28…

48. Стр. 50 10-2-2. Accessory and installation parts

    Part No. Part name (Q’ty) Part No. Part name (Q’ty) Flat head wood screw ∅3.1 x 25 s x 1 10 Drain nipple* x 1 Battery-cover x 1 Wireless remote control x Mounting screw ∅4 x 25 s x 6 Battery x 2 Part name (Q’ty) 9 Toshiba New IAQ filter (L) x 1 Installation plate x 1 2 Part No. Cap water proof x…

49. Стр. 51 10-2-3. Installation/Servicing Tools

    Changes in the product and components In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) • In order to…

50. Стр. 52 10-3. Indoor Unit

    10-3-1. Installation place A place which provides the spaces around the indoor unit as shown in the diagram in part 8-2. A place where there is no obstacle near the air inlet and outlet. A place that allows easy installation of the piping to the outdoor unit. A place which allows the front panel to…

51. Стр. 53 <When the installation plate is directly mounted on

    the wall> 1. Securely fit the installation plate onto the wall by screwing it in the upper and lower parts to hook up the indoor unit. 2. To mount the installation plate on a concrete wall with anchor bolts, utilize the anchor bolt holes as illustrated in the above figure. 3. Install the…

52. Стр. 54 <How to connect remote controller for wire operation>

    70 mm 4 * Wire size 28-22AWG or 0.08-0.32 mm2 Outer diameter not over 4.7 mm, control wire length 30 m. or less. Indoor unit 5 mm Notch for wire out Control wire 5 6 Remote controller Fig. 10-3-6 Tighten firmly Terminal but not over Control wire 0.12 N·m (0.01 kgf·m) Control wire For indoor unit…

53. Стр. 55 Control wire

    Rear left Bottom left Remote controller Left Wall Bottom right Remote controller Right Screw (∅3.1 x 25L) for fi x battery cover " # Screw Battery cover Tighten fi rmly but not over 0.15 N·m (0.02 kgf·m) $ Fig. 10-3-10 Die-cutting Front panel slit Hole for hang remote controller Piping preparation…

54. Стр. 56 <Left-hand connection with piping>

    How to fix the drains cap 1) Insert hexagonal wrench (4 mm) in a center head. Bend the connecting pipe so that it is laid within 43 mm above the wall surface. If the connecting pipe is laid exceeding 43 mm above the wall surface, the indoor unit may unstably be set on the wall. When bending the…

55. Стр. 57 10-3-5. Indoor unit fixing

    10-3-6. Drainage 1. Pass the pipe through the hole in the wall, and hook the indoor unit on the installation plate at the upper hooks. 2. Swing the indoor unit to right and left to confirm that it is firmly hooked up on the installation plate. 3. While pressing the indoor unit onto the wall, hook it…

56. Стр. 58 10-4. Outdoor Unit

    10-4-2. Refrigerant piping connection 10-4-1. Installation place <Flaring> • A place which provides the spaces around the outdoor unit as shown in the left diagram. • A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration. • A place where…

57. Стр. 59 <Using a vacuum pump>

    CAUTION Do not apply excess torque. Otherwise, the nut may crack depending on the conditions. (Unit : N·m) Outer dia. of copper pipe Tightening torque ∅ 6.35 16 to 18 (1.6 to 1.8 kgf·m) ∅ 9.52 30 to 42 (3.0 to 4.2 kgf·m) ∅ 12.70 50 to 62 (5.0 to 6.2 kgf·m) Flare at indoor unit side Flare at outdoor…

58. Стр. 60 <Packed valve handling precautions>

    10-4-5. Wiring connection • Open the valve stem all the way out, but do not try to open it beyond the stopper. Pipe size of Packed Valve Size of Hexagon wrench 12.70 mm and smallers A = 4 mm 15.88 mm A = 5 mm • Securely tighten the valve cap with torque in the following table Cap Valve Rod Cap…

59. Стр. 61 10-5. Others

    NOTE : 1. Repeat above step to reset Remote Control to be A. 2. Remote Control A has not "A" display. 3. Default setting of Remote Control from factory is A. 10-5-1. Gas leak test Check places for indoor unit (Flarenut connection) 1 2 F ig. 10-5-2 10-5-3. Test operation Check places for outdoor unit…

60. Стр. 62 11. HOW TO DIAGNOSE THE TROUBLE

    The pulse motor circuits are mounted to both indoor and outdoor units. Therefore, diagnose troubles according to the trouble diagnosis procedure as described below. (Refer to the check points in servicing written on the wiring diagrams attached to the indoor/outdoor units.) Table 11-1 No.…

61. Стр. 63 CAUTION

    A high voltage (equivalent to the supply voltage) is also energized to ground through the sensors, PMV and other low-voltage circuits. The sensor leads and other wires are covered with insulated tubes for protection. Nevertheless, care must be taken to ensure that these wires are not pinched. Take…

62. Стр. 64 11-1. First Confirmation

    11-1-1. Confirmation of Power Supply Confirm that the power breaker operates (ON) normally. 11-1-2. Confirmation of Power Voltage Confirm that power voltage is AC 220–230–240 ± 10%. If power voltage is not in this range, the unit may not operate normally. 11-1-3. Operation Which is not a Trouble…

63. Стр. 65 11-2. Primary Judgment

    To diagnose the troubles, use the following methods. 1) Judgment by flashing LED of indoor unit 2) Self-diagnosis by service check remote controller 3) Judgment of trouble by every symptom Firstly use the method 1) for diagnosis. Then, use the method 2) or 3) to diagnose the details of troubles.…

64. Стр. 66 11-4. Self-Diagnosis by Remote Controller (Check Code)

    1. If the lamps are indicated as shown B to E in Table 11-3-1, execute the self-diagnosis by the remote controller. 2. When the remote controller is set to the service mode, the indoor controller diagnoses the operation condition and indicates the information of the self-diagnosis on the display of…

65. Стр. 67 11-4-2. Caution at Servicing

    1. After servicing, press the [ ] button to return to the normal mode. 2. After servicing by the check code, turn off breaker of the power supply, and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status. However, the check codes are not deleted…

66. Стр. 68 Block distinction

    Check code Block Operation of diagnosis function Check code Air conditioner status Cause of operation Remarks Judgment and action Inverter over-current protective circuit operates. (Short time) All off Displayed when error is detected. Even if trying operation again, all operations stop immediately.…

67. Стр. 69 11-5. Judgment of Trouble by Every Symptom

    11-5-1. Indoor Unit (Including Remote Controller) (1) Power is not turned on (Does not operate entirely) <Primary check> 1. Is the supply voltage normal? 2. Is the normal voltage provided to the outdoor unit? 3. Is the crossover cable connected properly? 4. Is the fuse (F01) blown? Turn off power…

68. Стр. 70

    <Confirmation procedure> Turn on power supply. NO Does operation lamp flash? YES Is wired correctly to white and black lead wires of terminal board? NO Correct wiring. YES To item of “Power is not turned on”. – 69 –

69. Стр. 71 (3) Only the indoor motor fan does not operate

    <Primary check> 1. Is it possible to detect the power supply voltage (AC220–240V) between Q and R on the terminal block? 2. Does the indoor fan motor operate in cooling operation? (In heating operation, the indoor fan motor does not operate for approximately 10 minutes after it is turned on, to…

70. Стр. 72 (For AC fan motor)

    <Inspection procedure> 1. Remove the front panel. (Remove 2 screws.) 2. Remove the cover of the fan motor lead wires. 3. Check AC voltage with CN31 connector while the fan motor is rotating. NOTE : • Using a tester, measure the resistance value of each winding coil. • Use a thin test rod.…

71. Стр. 73 (4) Troubleshooting for remote control

    The unit does not beep at all. OPERATION lamp on indoor unit is not indicated. Press [ ] button. Is transmission mark indicated? NO YES Is receiver on indoor unit exposed to direct sunlight? Press RESET button on remote control with tip of pencil. NO YES Is there any thyristor fluorescent light…

72. Стр. 74 11-5-2. Wiring Failure (Interconnecting and Serial Signal Wire)

    (1) Outdoor unit does not operate 1) Is the voltage between R and S of the indoor terminal block varied? Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram. NOTE: • Measurement should be performed 2 minutes and 30 seconds after starting…

73. Стр. 75 11-6. How to Check Simple the Main Parts

    <Check procedure> 1C 1E Gas leakage, disconnection of TS/TC sensors (Check code 02, 1C) Discharge temp. error, gas leakage (Check code 03, 1E) Valve drive check Is coil of the pulse motor valve (P.M.V.) correctly set? NO Set it correctly. YES Is connecter of coil connected to inverter? NO Set it…

74. Стр. 76 11-7. How to Diagnose Trouble in Outdoor Unit

    11-7-1. Summarized Inner Diagnosis of Inverter Assembly Table 11-7-1 Diagnosis/Process flowchart Item Contents Preparation Turn “OFF” the power supply breaker, and remove 3P connector which connects inverter and compressor. Check • Check whether 25A fuse on the control board assembly is blown or…

75. Стр. 77 Diagnosis/Process flowchart

    A Item Contents Check Check winding resistance between phases of compressor, and resistance between outdoor frames by using a tester. B Replace control board assembly. Check compressor winding resistance. NG • Is not grounded. → OK if 10MΩ or more • Is not short-circuited between windings.  → OK if…

76. Стр. 78 (3) Check procedures

    Table 11-8-1 No. Procedure Check points 1 Turn off the power supply breaker and remove the P.C. board assembly from electronic parts base. Remove the connecting cables from the terminal block. Check whether or not the fuse (F01) is blown. Impulse voltage was applied or the indoor fan motor…

77. Стр. 79

    + 5V GND ++12V 12V [1] Sensor characteristic table 100 Resistance value (k ) 90 80 TD TA, TC, TO, TS, TE Temperature (˚C) – 78 – TD TA TC TO TS TE : Discharge temp. sensor : Room temp. sensor : Heat exchanger temp. sensor : Outdoor temp. sensor : Suction temp. sensor : Outdoor heat exchanger temp…

78. Стр. 80 11-8-3. Indoor Unit (Other Parts)

    No. Part name 1 Room temp. (TA) sensor Heat exchanger (TC) sensor Checking procedure Disconnect the connector and measure the resistance value with tester. (Normal temp.) Temperature Sensor TA, TC (kΩ) 10°C 20°C 25°C 30°C 40°C 20.7 12.6 10.0 7.9 4.5 2 Remote controller Refer to 11-5-1. (5). 3 Louver…

79. Стр. 81 11-8-5. Checking Method for Each Part

    Part name 1 Electrolytic capacitor (For raising pressure, smoothing) Checking procedure 1. Turn OFF the power supply breaker. 2. Discharge all three capacitors completely. 3. Check that safety valve at the bottom of capacitor is not broken. 4. Check that vessel is not swollen or exploded. 5. Check…

80. Стр. 82 11-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad

    1. Symptom • Outdoor fan motor does not rotate. • Outdoor fan motor stops within several tens seconds though it started rotating. • Outdoor fan motor rotates or does not rotate according to the position where the fan stopped, etc. Remote controller check code “02 : Outdoor block, 1A : Outdoor fan…

81. Стр. 83 11-10. How to setting the CLEAN OPERATION cancel

    1. Add J201 of indoor PC board assembly. (If AUTO RESTART set before, will automatic cancel when add J201) J201 2. Turn ON breaker, then hold down the [RESET] button on the indoor unit for 3 seconds but not more than 10 seconds. (The indoor unit 's buzzer will emits 3 beeps) RESET button 3. To…

82. Стр. 84 12. HOW TO REPLACE THE MAIN PARTS

    WARNING • Since high voltages pass through the electrical parts, turn off the power without fail before proceeding with the repairs. Electric shocks may occur if the power plug is not disconnected. • After the repairs have been completed (after the front panel and cabinet have been installed)…

83. Стр. 85 Part name

    Procedures  Front panel 4) Press "PUSH" part under the front panel and remove hooks of the front panel from the installation plate. Remarks Installation plate Front panel Press 5) Remove the front panel fixing screws. (2 pcs.) 6) Take off three hooks of panel from rear side. 2 Screws Three hooks…

84. Стр. 86 Part name

    Procedures ‚ Electric parts box assembly 1) Follow the procedure up to 3) in ‚ above. 2) Remove screw of earth lead attached to the end plate of the evaporator. 3) Remove the lead wire cover, and remove connector for the fan motor and connector for the louver motor from the electric parts box…

85. Стр. 87 Part name

    Procedures Remarks ƒ Horizontal louver 1) Remove shaft of the horizontal louver from the back body. (First remove the left shaft, and then remove other shafts while sliding the horizontal louver leftward.) „ Evaporator (Heat exchanger) 1) Follow to the procedure in the item ƒ. 2) Remove the pipe…

86. Стр. 88 Part name

    Bearing Procedures Remarks 1) Follow to the procedure in the item „ . 2) Remove the two screws used to secure the bearing base. Two screws 3) Remove the bearing base. <Caution at assembling> • If the bearing is out from the housing, push it into the specified position and then incorporate it in the…

87. Стр. 89

    Part name Fan motor Procedures Remarks 1) Follow to the procedure till item …. 2) Loosen the set screw of the cross flow fan. 3) Remove two fixing screws of the motor cover and them remove the motor cover. 4) Remove two more fixing screws of the motor band and remove the motor band. Set screw Two…

88. Стр. 90 Part name

    Procedures ‡ Cross flow fan <Caution at reassembling> 1) To incorporate the fan motor incorporate the motor into the position in the following figure, and then install the fan motor. • Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set…

89. Стр. 91 12-2. Microcomputer

    No. Part name  Common procedure Procedure 1) Turn the power supply off to stop the operation of air-conditioner. 2) Remove the front panel. • Remove the 2 fixing screws. 3) Remove the electrical part base. – 90 – Remarks Replace terminal block, microcomputer ass’y and the P.C. board ass’y.

90. Стр. 92 12-3. Outdoor Unit

    No. Part name  Common procedure Procedure Remarks NOTE Upper cabinet 1. Detachment Wear gloves for this job. Otherwise, you may injure your hands on the parts, etc. Waterproof cover 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air conditioner. 2) Remove…

91. Стр. 93 Part name

    Procedure ‚ Front cabinet 1. Detachment 1) Perform step 1 in . 2) Remove the fixing screws (ST1TØ4 × 10L 2 pcs.) used to secure the front cabinet and inverter cover, the screws (ST1TØ4 × 10L 4 pcs.) used to secure the front cabinet at the bottom, and the fixing screws (ST1TØ4 × 10L 2 pcs.) used to…

92. Стр. 94 Part name

    ƒ Inverter assembly Procedure 1) Perform work of item 1 in . 2) Remove screw (ST1TØ4 × 10L 2 pcs.) of the upper part of the front cabinet. • If removing the inverter cover in this condition, P.C. board can be checked. • If there is no space above the unit, perform work of 1 in ‚. Remarks Inverter…

93. Стр. 95 Part name

    Procedure „ Control board assembly 1. Disconnect the leads and connectors connected to the other parts from the control board assembly. 1) Leads • 3 leads (black, white, orange) connected to terminal block. • Lead connected to compressor : Disconnect the connector (3P). • Lead connected to reactor…

94. Стр. 96 Part name

    Procedure Side cabinet 1. Side cabinet (right) 1) Perform step 1 in ‚ and all the steps in ƒ. 2) Remove the fixing screw (ST1TØ4 × 10L 4 pcs.) used for securing the side cabinet to the bottom plate and valve fixing panel. Remarks 2. Side cabinet (left) 1) Perform step 1 in ‚. 2) Remove the fixing…

95. Стр. 97 Part name

    Procedure ‡ Compressor 1) Perform work of item 1 of  and ‚, ƒ, „, . 2) Extract refrigerant gas. 3) Remove the partition board. (ST1TØ4 × 10L 3 pcs.) 4) Remove the sound-insulation material. 5) Remove terminal cover of the compressor, and disconnect lead wire of the compressor from the terminal. 6)…

96. Стр. 98 Part name

    ‰ Electronic expansion valve coil Procedure Remarks 1. Detachment 1) Perform step 1 in ‚, all the steps in ƒ and 1 in . 2) Remove the coil by pull it upward. 2. Attachment 1) Insert a valve coil to value body by push it downward. And confirm to fix it surely. Š Fan guard 1. Detachment 1) Perform…

97. Стр. 99

    Part name Procedure Remarks TE sensor (outdoor heat exchanging temperature sensor) • Attachment Install the sensor onto the straight pipe part of the condenser output pipe. Arrow D Detail B Detail C Detail A Detail C 12 TS sensor (Suction pipe temperature sensor) • Attachment Install the senser onto…

98. Стр. 100 Part name

    Procedure 15 Replacement of temperature sensor for servicing only 1) Cut the sensor 100 mm longer than old one. 2) Cut the protective tube after pulling out it (200 mm). 3) Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part. 4)…

99. Стр. 101 13. EXPLODED VIEWS AND PARTS LIST

100. Стр. 102 13-2. Indoor Unit

     Electric Parts Assembly Location No. Part No. 43T21435 43T21409 43T22312 43T70313 43T20325 43T11301 43T83003 43T60382 43T82310 43T19333 43T09408 43T03360 Description STEPPING MOTOR ASSEMBLY FAN MOTOR BEARING ASSY, MOLD HOSE, DRAIN CROSS FLOW FAN ASSEMBLY PIPE SHIELD HOLDER, REMOTE CONTROL MOTOR CORD…

101. Стр. 103 13-3. Outdoor Unit

     Location No. Part No. Description 43T00468 43T00459 43T42327 43T00452 43T19329 43T00562 43T41420 43T43434 43T46358 43T46366 43T47331 43T47332 43T00448 43T00451 43T46347 43T63329 FRONT CABINET LEFT CABINET BASE PLATE ASSEMBLY UPPER CABINET FAN GUARD PACKED VALVE COVER ASSEMBLY COMPRESSOR CONDENSER…

102. Стр. 105 FILE NO. SVM-03005

     TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 56 –

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