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

Текст инструкции

1. Стр. 1 FILE NO. SVM-10001-2

   SERVICE MANUAL SPLIT TYPE Indoor Unit Outdoor Unit <High Wall, Heat Pump Type> <Heat Pump Type> RAS-10SKV2-E RAS-13SKV2-E RAS-16SKV2-E RAS-10SAV2-E RAS-13SAV2-E RAS-16SAV2-E R410A Revised on Dec, 2010

2. Стр. 3 1. SAFETY PRECAUTIONS

   For general public use Power supply cord of outdoor unit shall be more than 1.5 mm2 (H07RN-F or 60245IEC66) polychloroprene sheathed flexible cord. • Read this “SAFETY PRECAUTIONS” carefully before servicing. • The precautions described below include the important items regarding safety. Observe…

3. Стр. 4 • DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURE

   TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION. • TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTORS, FURNACE, STOVES, ETC. • WHEN MOVING THE AIR-CONDITIONER FOR INSTALLATION…

4. Стр. 5 2. SPECIFICATIONS

   2-1. Specification Unit model Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Electric Indoor characteristic Outdoor COP (Cooling / Heating) Operating Indoor noise Indoor unit Outdoor unit Outdoor Unit model Dimension Net weight Fan motor…

5. Стр. 6 2-2. Specification

   Unit model Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Electric Indoor characteristic Outdoor COP (Cooling / Heating) Operating Indoor noise Indoor unit Outdoor unit Outdoor Unit model Dimension Net weight Fan motor output Air flow rate…

6. Стр. 7 2-3. Operation Characteristic Curve

   <Cooling> <Heating> RAS-10SKV2-E 7 RAS-16SKV2-E 7 6 RAS-13SKV2-E RAS-13SKV2-E Current (A) 6 Current (A) RAS-16SKV2-E Conditions 2 o o 2 Conditions 1 Outdoor : DB 7 C/WB 6 C Air Flow : High Pip Length : 5m Voltage : 230V o Indoor : DB 27 C/WB 19 C Indoor : DB 20 C o 1 RAS-10SKV2-E o Outdoor : DB 35 C…

7. Стр. 8 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…

8. Стр. 9 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…

9. Стр. 10 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…

10. Стр. 11 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˚…

11. Стр. 12 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…

12. Стр. 13 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…

13. Стр. 14 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…

14. Стр. 15 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…

15. Стр. 16 4. CONSTRUCTION VIEWS

    4-1. Indoor Unit 790 Air inlet Air filter Heat exchanger Front panel Knock out system 49 Knock out system 62 480 Installation plate hanger Wireless remote controller Installation plate hanger Drain hose (0.50m) distance to ceiling 63 Minimum Minimum distance 275 to wall 170 or more or more 190…

16. Стр. 17 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 (10,13 : Flare ∅ 9.52) (16 : Flare…

17. Стр. 18 5. WIRING DIAGRAM

    FILE NO. SVM-10001 5-1. RAS-10SKV2-E / RAS-10SAV2-E, RAS-13SKV2-E / RAS-13SAV2-E 1 RELAY COIL FOR 4WAY VALVE YEL – 18 –

18. Стр. 20 6. SPECIFICATIONS OF ELECTRICAL PARTS

19. Стр. 21 7. REFRIGERANT CYCLE DIAGRAM

    7-1. Refrigerant Cycle Diagram RAS-10SKV2-E / RAS-10SAV2-E 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…

20. Стр. 22 RAS-13SKV2-E / RAS-13SAV2-E

    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…

21. Стр. 23 RAS-16SKV2-E / RAS-16SAV2-E

    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. : 12.7mm(16) Thickness : 0.8mm Allowable…

22. Стр. 24 7-2. Operation Data

    <Cooling> Tempeature Model name condition(°C) RASIndoor Outdoor 27/19 35/10SKV2-E 13SKV2 -E 16SKV2 -E Standard pressure P (MPa) 0.9 to 1.1 0.8 to 1.0 0.8 to 1.0 Heat exchanger pipe temp. T1 (°C) T2 (°C) 12 to 14 37 to 39 11 to 13 46 to 48 11 to 13 40 to 42 Indoor fan mode Outdoor fan mode High High…

23. Стр. 25 8. CONTROL BLOCK DIAGRAM

    8-1. Indoor Unit RAS-10SKV2-E, RAS-13SKV2-E 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…

24. Стр. 26 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 • Processing (Temperature Processing) Clock…

25. Стр. 27

    Heat exchanger temp.sensor Suction temp. sensor Outdoor air temp. sensor Discharge temp. sensor Noise Filter Indoor unit send/receive circuit 220–240 V ~50Hz 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 sensor High…

26. Стр. 28 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…

27. Стр. 30 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…

28. Стр. 31 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…

29. Стр. 32 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)…

30. Стр. 33 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…

31. Стр. 34 таблицы и схемы — в просмотре

32. Стр. 35 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…

33. Стр. 36 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…

34. Стр. 37 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…

35. Стр. 38 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…

36. Стр. 39 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…

37. Стр. 40 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…

38. Стр. 41 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)…

39. Стр. 42 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…

40. Стр. 43 Operation flow and applicable data, etc

    Description • Self-Cleaning diagram 13. Self-Cleaning function 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 presetting of timer function.…

41. Стр. 44 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…

42. Стр. 45 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…

43. Стр. 46 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…

44. Стр. 47 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)…

45. Стр. 48 9-4. Remote control

    1 9-4-1. Remote control and its functions 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) Sleep timer button (SLEEP) Setup button (SET)…

46. Стр. 49 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…

47. Стр. 50 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…

48. Стр. 51 9-4-3. Name and Functions of Indications on Remote Controller

    [Display] 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…

49. Стр. 52 10. INSTALLATION PROCEDURE

    170 m mo 65 mm or more 10-1. Installation Diagram of Indoor and Outdoor Units rm ore Hook 1 Installation plate For the rear left and left piping Wall 170 Hoo k (A tta ch to mm or m ore Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better operation. Air filte r the…

50. Стр. 53 10-2. Installation

    10-1-2. Optional installation parts Part Code A Parts name Q'ty Refrigerant piping Liquid side : ∅6.35 mm Gas side : ∅9.52 mm (10,13SKV2 Series) ∅12.70 mm (16SKV2 Series) B Pipe insulating material (polyethylene foam, 6 mm thick) C Putty, PVC tapes One each 1 One each <Fixing bolt arrangement of…

51. Стр. 54 10-2-2. Accessory and installation parts

52. Стр. 55 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…

53. Стр. 56 10-3-2. Drilling a Hole and Mounting Installation Plate

    10-3. Indoor Unit 10-3-1. Installation Place • A place which provides enough spaces around the indoor unit as shown in the diagram. • A place where there are no obstacle near the air inlet and outlet. • A place which allows easy installation of the piping to the outdoor unit. • A place which allows…

54. Стр. 57 When the installation plate is directly

    mounted on the wall 1. Securely fit the installation plate onto the wall by screws with the upper and lower catches, that hold the indoor unit, facing out. 2. To mount the installation plate on a concrete wall use anchor bolts. Drill the anchor bolt holes as illustrated in the above figure. 3.…

55. Стр. 58 10-3-5. Piping and Drain Hose Installation

    CAUTION • Be sure to refer to the wiring system diagram labeled inside the front panel. • Check local electrical regulations for any specific wiring instructions or limitations. • Since condensation results in machine trouble, make sure to insulate both the connecting pipes separately. (Use…

56. Стр. 59 How to attach the drain cap

    In case of bottom right or bottom left piping 1. Insert hexagonal wrench (4 mm). • After making slits on the front panel with a knife or similar tool, cut them out with a pair of nippers or an equivalent tool. Slit Fig. 10-3-16 4 mm Fig. 10-3-13 Left-hand connection with piping 2. Firmly insert…

57. Стр. 60 10-3-7. Drainage

    CAUTION 1. Run the drain hose at a downward sloped angle. • Bind the auxiliary pipes (two) and connecting cable with facing tape tightly. In case of leftward piping and rear-leftward piping, bind the auxiliary pipes (two) only with facing tape. NOTE : • Hole should be made at a slight downward slant…

58. Стр. 61 10-4. Outdoor Unit

    Precautions for adding refrigerant 10-4-1. Installation Place • Use a scale having a precision with at least 10 g per index line when adding the refrigerant. Do not use a bathroom scale or similar instrument. • Use liquid refrigerant when refilling the refrigerant. Since the refrigerant is in liquid…

59. Стр. 62 10-4-2. Draining the Water

    10-4-3. Refrigerant Piping Connection • Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently. If a centralized drain is required when installing the unit on a balcony or wall, follow the steps below to…

60. Стр. 63 Tightening Connection

    Use a vacuum pump Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers. Then tighten the nut with a wrench and torque wrench as shown in the figure. Be sure to use a vacuum pump with counter-flow prevention function so that oil inside the pump…

61. Стр. 64 Revised

    Packed Valve handling precautions • Open the valve stem all the way; but do not try to open it beyond the stopper. • Securely tighten the valve stem cap with torque in the following table: Gas side (Ø12.7 mm) 50 to 62 N•m (5.0 to 6.2 kgf•m) Gas side (Ø9.52 mm) 33 to 42 N•m (3.3 to 4.2 kgf•m) Liquid…

62. Стр. 65

    Setting 10-5. Test Operation 10-5-1. Gas Leak Test When two indoor units are installed in the separated rooms, it is not necessary to change the selector switches. • Check the flare nut connections for gas leaks with a gas leak detector and/or soapy water. Remote control A or B Selection • When two…

63. Стр. 66 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.…

64. Стр. 67 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…

65. Стр. 68 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…

66. Стр. 69 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.…

67. Стр. 70 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…

68. Стр. 71 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…

69. Стр. 72 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.…

70. Стр. 73 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? ( RAS-10SKV2-E…

71. Стр. 74 Operation

    Check Item Considerable principle cause Turn off power supply once, and 5 second later, turn it on again. Measures NO Item by symptoms Is OPERATION indicator flashing? YES Is it possible to turn on power supply by pushing [ ] button on remote controller? YES NO Does transmission mark on remote…

72. Стр. 75 (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…

73. Стр. 76 Turn off power

    supply once, and turn it on again. Is it possible to detect Does fan motor continue to operate? YES DC 1V or more between NO 5 + and 3 – of Replace indoor fan motor. motor connector (CN31). NO YES Start to operate indoor unit in cooling operation at airflow level “LOW”. Does indoor fan operate? NO…

74. Стр. 77 (4) Indoor fan motor automatically starts to rotate by turning on power supply

    (For DC fan motor in RAS-16SKV2-E) <Cause> The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to inside of the motor. If the P.C. board is soldered imperfectly or the IC is defective, the fan motor may automatically rotate by turning on power supply. <Inspection…

75. Стр. 78 (For AC fan motor in RAS-10,13SKV2-E)

    <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.…

76. Стр. 79 (5) Troubleshooting for remote controller

    <Primary check> Check that A or B selected on the main unit is matched with A or B selected on the remote controller. Push the [ There is no beep from the indoor unit The OPERATION lamp of the air conditioner main unit does not light ] button. Does the transmission indicator blink? NO YES Reset the…

77. Стр. 80 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…

78. Стр. 81 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…

79. Стр. 82 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…

80. Стр. 83 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…

81. Стр. 84 (3) Check procedures

    ( RAS-10,13SKV2-E ) 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…

82. Стр. 85 Table 11-8-2

    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 short-circuited. 2…

83. Стр. 86

    ( RAS-10,13SKV2-E ) + 5V GND ++12V 12V [1] Sensor characteristic table 100 Resistance value (k ) 90 80 TD TA, TC, TO, TS Temperature (˚C) – 86 – TD TA TC TO TS : Discharge temp. sensor : Room temp. sensor : Heat exchanger temp. sensor : Outdoor temp. sensor : Suction temp. sensor

84. Стр. 87 GND

85. Стр. 88 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…

86. Стр. 89 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…

87. Стр. 90 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…

88. Стр. 91 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)…

89. Стр. 92 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…

90. Стр. 93 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…

91. Стр. 94 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…

92. Стр. 95 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…

93. Стр. 96

    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…

94. Стр. 97 Part name

    Procedures ‡ Cross flow fan <Caution at reassembling> 1) To incorporate the fan motor, remove the fan motor rubber (at shaft core side), 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…

95. Стр. 98 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. – 98 – Remarks Replace terminal block, microcomputer ass’y and the P.C. board ass’y.

96. Стр. 99 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…

97. Стр. 100 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…

98. Стр. 101 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…

99. Стр. 102 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…

100. Стр. 103 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…

101. Стр. 104 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)…

102. Стр. 105 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…

103. Стр. 106

     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 for 10k 12 Detail C for 13, 16k TS sensor (Suction pipe temperature sensor) •…

104. Стр. 107 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)…

105. Стр. 108 13. EXPLODED VIEWS AND PARTS LIST

     13-1. Indoor Unit (Part-E) Location Part No. No. 401 43T69319 TEMPERATURE SENSOR 402 43T60365 TERMINAL BLOCK; 3P 403 43T69320 TEMPERATURE SENSOR 404 43T62003 CORD CLAMP 405 43T69633 PC BOARD ASSY; WRS-LED Description Location Part No. No. 406 43T69784 43T69641 PC BOARD (FOR RAS-16SKV2-E) 406…

106. Стр. 109 FILE NO. SVM-10001-2

     13-2. Indoor Unit Location Part Location Part No. No. No. No. 201 43T21420 LOUVER MOTOR 213 43T03360 BACK BODY ASSEMBLY 202 43T21409 FAN MOTOR 214 43T39327 BEARING BASE 202 (FOR RAS-10,13SKV2-E) 215 43T39328 MOTOR BAND (LEFT) 43T21410 FAN MOTOR 216 43T39329 MOTOR BAND (RIGHT) (FOR RAS-16SKV2-E) 217…

107. Стр. 110 13-3. Outdoor Unit

     Location Part No. No. 1 43T00468 FRONT CABINET 2 43T00459 LEFT CABINET 3 43T42327 BASE PLATE ASSEMBLY 14 43T00448 FIXING PLATE VALVE 4 43T00452 UPPER CABINET 15 43T00451 RIGHT CABINET ASSEMBLY 5 43T19329 FAN GUARD 16 43T46347 BODY-PMV 6 43T19330 PACKED VALVE COVER 17 43T63332 COIL-PMV 7 43T62325…

108. Стр. 111 FILE NO. SVM-10001-1

     13-4. Outdoor Unit Location Part No. No. 701 43T62320 Location Part No. No. HEATSINK (Made in Thailand) 703 43T60392 TERMINAL-5P (For RAS-10,13SAV2-E) 704 43T60326 FUSE Description Description 701 43T62331 HEATSINK (Made in Thailand) 705 43T60377 TEMPERATURE SENSOR (For RAS-16SAV2-E) 706 43T50304…

109. Стр. 112 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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