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Toshiba RAS-B10SKVP-E Service Manual

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Download this manual See also: Service Manual, Owner's Manual
Heronhill - for all your Toshiba requirements
FILE NO. A06-013

SERVICE MANUAL

AIR-CONDITIONER
SPLIT TYPE
RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E
RAS-3M18SAV-E
RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E
RAS-3M18SACV-E
R410A
PRINTED IN JAPAN, May, 2007
ToMo
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807

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Summary of Contents for Toshiba RAS-B10SKVP-E

  • Page 1: Service Manual

    Heronhill - for all your Toshiba requirements FILE NO. A06-013 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-3M18SAV-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E RAS-3M18SACV-E R410A PRINTED IN JAPAN, May, 2007 ToMo Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 2: Table Of Contents

    Heronhill - for all your Toshiba requirements CONTENTS 1. SAFETY PRECAUTIONS ................3 2. SPECIFICATIONS..................5 3. REFRIGERANT R410A ................12 4. CONSTRUCTION VIEWS ................ 20 5. WIRING DIAGRAM .................. 22 6. SPECIFICATIONS OF ELECTRICAL PARTS ......... 24 7. REFRIGERANT CYCLE DIAGRAM ............25 8.

  • Page 3: Safety Precautions

    Heronhill - for all your Toshiba requirements 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.
  • Page 4 Heronhill - for all your Toshiba requirements • 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 RESISTORS, FURNACE, STOVES, ETC.

  • Page 5: Specifications

    1-room connection is not an option for the indoor units (you cannot connect only one indoor unit). Be sure to connect indoor units in two rooms or more. The contents noted in this service manual limit the indoor units to the RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E, RAS-M10SKCVP-E, RAS-M13SKCVP-E and RAS-M16SKCVP-E.

  • Page 6: Heat Pump Models

    Heronhill - for all your Toshiba requirements 2-1. Specifications <Heat Pump Models> RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-3M18SAV-E Indoor RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E Unit model Outdoor RAS-3M18SAV-E Cooling capacity (kW) Cooling capacity range (kW) 2.2 – 6.5 Heating capacity (kW) Heating capacity range (kW) 2.2 –...
  • Page 7 Heronhill - for all your Toshiba requirements <Cooling Only Models> RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E / RAS-3M18SACV-E Indoor RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E Unit model Outdoor RAS-3M18SACV-E Cooling capacity (kW) Cooling capacity range (kW) 2.2 – 6.5 Heating capacity (kW) — Heating capacity range (kW) —...
  • Page 8 Heronhill - for all your Toshiba requirements 2-2. Specifications of Performance When Each Indoor Unit is Combined with Other Unit Outdoor Unit : RAS-3M18SAV-E <Cooling> Power Cooling Power Operating Outdoor Indoor unit Unit capacity (kW) Operating supply capacity consumption current...
  • Page 9 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M18SAV-E <Heating> Power Heating Power Operating Outdoor Indoor unit Unit capacity (kW) Operating supply capacity consumption current noise status (kW) (dB) 1050 5.08 1 unit 3.24 – – – –...
  • Page 10 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M18SACV-E <Cooling> Power Cooling Power Operating Outdoor Indoor unit Unit capacity (kW) Operating supply capacity consumption current noise status (kW) (dB) 3.54 1 unit 4.17 – – – – (1.4 to 3.2) (320 to 850) (1.94 to 4.20)

  • Page 11: Operation Characteristic Curve

    Heronhill - for all your Toshiba requirements 2-2-1. Operation Characteristic Curve <Cooling> <Heating> RAS3M18SAV-E, RAS-3M18SACV-E RAS-3M18SAV-E 220V 220V • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C/WB15˚C Outdoor : DB35˚C/WB24˚C Outdoor : DB7˚C/WB6˚C Indoor air flow : High Indoor air flow : High Pipe length : 5m ×...

  • Page 12: Refrigerant R410A

    Heronhill - for all your Toshiba requirements 3. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC 6. When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small...
  • Page 13 Heronhill - for all your Toshiba requirements Table 3-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 6.35 0.80 0.80 9.52 0.80 0.80 12.70 0.80 0.80 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.
  • Page 14 Heronhill - for all your Toshiba requirements d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. ØD By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conven- tional flare tool.
  • Page 15 Heronhill - for all your Toshiba requirements Table 3-2-6 Flare and flare nut dimensions for R22 Dimension (mm) Nominal Outer diameter Thickness Flare nut width diameter (mm) (mm) (mm) 6.35 9.52 13.0 13.5 12.70 16.2 16.0 12.9 15.88 19.7 19.0 16.0...
  • Page 16 Heronhill - for all your Toshiba requirements 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 copper pipe) of the refrigerant piping are...

  • Page 17: Recharging Of Refrigerant

    Heronhill - for all your Toshiba requirements 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.
  • Page 18 Heronhill - for all your Toshiba requirements 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.
  • Page 19 Heronhill - for all your Toshiba requirements 2. Characteristics required for flux 3-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified.

  • Page 20: Construction Views

    Heronhill - for all your Toshiba requirements 4. CONSTRUCTION VIEWS 4-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E Plasma pure filter Front panel Indoor heat exchanger Air filter Knockout system Knockout system Remote controller holder 54.5 54.5 Installation plate hanging section...
  • Page 21 Heronhill - for all your Toshiba requirements 4-2. Outdoor Unit RAS-3M18SAV-E, RAS-3M18SACV-E – 21 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 22: Wiring Diagram

    Heronhill - for all your Toshiba requirements 5. WIRING DIAGRAM 5-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E (Heat pump models) RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E (Cooling only models) To outdoor unit Air Purifier Electrode High-voltage Power Supply Indoor Terminal Block Heat Exchanger GRN & YEL...

  • Page 23: Outdoor Unit

    Heronhill - for all your Toshiba requirements 5-2. Outdoor Unit RAS-3M18SAV-E, RAS-3M18SACV-E Compressor NOTE Color Identification BLK : BLACK IGBT : Insulated Gate Bipolar Transistor WHI : WHITE : Pulse Motor Valve BLU : BLUE BRW : BROWN : Discharge Temp. sensor RED : RED TGa to TGc : Temp.

  • Page 24: Specifications Of Electrical Parts

    Heronhill - for all your Toshiba requirements 6. SPECIFICATIONS OF ELECTRICAL PARTS 6-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E Parts name Type Specifications Fan motor (for indoor) MF-280-30-5R DC280–340V, 30W Room temp. sensor (TA-sensor) ( – ) 10kΩ at 25°C Heat exchanger temp.

  • Page 25: Refrigerant Cycle Diagram

    Heronhill - for all your Toshiba requirements 7. REFRIGERANT CYCLE DIAGRAM 7-1. Indoor Unit, Outdoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-3M18SAV-E Temp. measurement INDOOR UNIT A Indoor heat C room B room C room B room exchanger Cross flow fan...
  • Page 26 Heronhill - for all your Toshiba requirements RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E / RAS-3M18SACV-E Temp. measurement INDOOR UNIT A Indoor heat C room B room C room B room exchanger Cross flow fan Connecting pipe Per 1 unit Thickness : 0.8 mm Max.

  • Page 27: Operation Data

    Heronhill - for all your Toshiba requirements 7-2. Operation Data Outdoor Unit : RAS-3M18SAV-E <Cooling> Temperature Operating Heat exchanger Indoor No. of Standard Compressor condition combination (Unit) pipe temp. Outdoor operating pressure revolution units P (MPa) (Manual) (rps) Indoor Outdoor T1 (°C)
  • Page 28 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M18SACV-E <Cooling> Temperature Operating Heat exchanger Indoor No. of Standard Compressor condition combination (Unit) pipe temp. Outdoor operating pressure revolution units P (MPa) (Manual) (rps) Indoor Outdoor T1 (°C) T2 (°C) 1 unit –...

  • Page 29: Control Block Diagram

    Heronhill - for all your Toshiba requirements 8. CONTROL BLOCK DIAGRAM 8-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E Indoor Unit Control Unit M.C.U. Louver Functions Motor Heat Exchanger Sensor (Tc) • Cold draft preventing Function Room Temperature Sensor (Ta) Louver Motor •...
  • Page 30 Heronhill - for all your Toshiba requirements RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E Indoor Unit Control Unit M.C.U. Louver Functions Motor Heat Exchanger Sensor (Tc) • 3-minute Delay at Restart for Compressor Room Temperature Sensor (Ta) Louver Motor Drive Control • Fan Motor Starting Control...

  • Page 31: Outdoor Unit (Inverter Assembly)

    Heronhill - for all your Toshiba requirements 8-2. Outdoor Unit (Inverter Assembly) RAS-3M18SAV-E, RAS-3M18SACV-E Outdoor air Gas side Suction Evaporator Discharge temp. Sensor pipe temp. Sensor temp. Sensor temp. Sensor temp. Sensor MCC-818 (SUB-P.C. B) A unit P.M.V. M.C.U • Inverter outdoor frequency control •...

  • Page 32: Operation Description

    Heronhill - for all your Toshiba requirements 9. OPERATION DESCRIPTION 9-1. Outline of Air Conditioner Control • Detection of inverter input current and current release operation This air conditioner is a capacity-variable type air • Over-current detection and prevention operation...
  • Page 33 Heronhill - for all your Toshiba requirements 9-2. Operation Description 9-2. 1. Basic operation ........................34 1. Operation control ....................... 34 2. Operating mode selection when performing 2-room operation ......... 35 3. Cooling/Heating operation ....................35 4. AUTO operation ......................... 36 5.

  • Page 34: Basic Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 1. Basic 1. Operation control operation 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.

  • Page 35: Operating Mode Selection When Performing 2-Room Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 1. Basic 2. Operating mode selection when performing 2-room operation operation 1) The outdoor unit operating mode conforms to the instructions of the indoor unit that was pressed first.

  • Page 36: Auto Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 1. Basic 4. AUTO operation 1) Detects the room temperature (Ta) when operation the operation started. Selection of operation mode As shown in the following figure, the operation starts by...

  • Page 37: Indoor Fan Motor Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 2. Indoor fan <In cooling operation> motor control (This operation controls the fan speed at indoor unit side.) * Symbols The indoor fan (cross flow fan) is operated by the phase- : Ultra High control induction motor.

  • Page 38: In Heating Operation> (Heat Pump Model)

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 2. Indoor fan <In heating operation> (Heat pump model) 1) When setting the fan speed to L, motor control L+, M, M+ or H on the remote...

  • Page 39: Outdoor Fan Motor Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 3. Outdoor fan The blowing air volume at the outdoor unit side is controlled. 1) The operation command sent motor control from the remote controller is...

  • Page 40: Heating Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 3. Outdoor fan <Heating operation> motor control Basically, the fan speed is decided by the compressor speed and the outdoor temperature. The fan speed is controlled between MIN. and MAX. as shown in the table below.

  • Page 41: Capacity Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 5. Current release This function prevents troubles on the electronic parts 1) The input current of the outdoor unit control of the compressor driving inverter.

  • Page 42: Winding/Coil Heating Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 7. Winding/Coil When the outdoor temperature is low, the windings/ Winding/Coil heating is performed when heating control coils are heated to ensure compressor reliability. the following conditions are met.

  • Page 43: Louver Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 9. Louver control This function controls the air direction of the indoor unit. 1) Louver • The position is automatically controlled according to the operation mode (COOL/HEAT).

  • Page 44: Sleep Mode Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 10. SLEEP When pushing [SLEEP MODE] button on the remote controller, a MODE quiet and mild operation is performed by reducing the fan speed operation and the compressor speed.

  • Page 45: Temporary Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 11. Temporary Pressing [RESET] button starts the temporary 1) When pressing [RESET] button, the operation operation of [AUTO] operation. When keeping [RE- temporary [AUTO] operation starts.

  • Page 46: Air Purifying Control [Detection Of Abnormality]

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 1. Purpose 12. Air purifying control [Detection of abnormality] The air purifying control function is to Air purifying operation alert the user to trouble in the ionizing or air purifying operation.

  • Page 47: Pulse Motor Valve (Pmv) Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 14. Pulse motor This function controls throttle amount of the refriger- 1) When starting the operation, move the valve (PMV) ant in the refrigerating cycle.

  • Page 48: Clean Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 15. Clean 1. Purpose operation The clean operation is to minimize the growth of mold, bacteria etc. by running the fan and drying so as to keep the inside of the air conditioner clean.

  • Page 49: Clean Operation Cancel

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 16. Clean operation Setting the clean operation cancel NOTE: cancel Once J201 is added, the [RESET] button on the unit is designated for Add J201 of the indoor P.C. board assembly.

  • Page 50: Select Switch On Remote Controller

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 17. Select switch on 1. Purpose remote controller This operation is to operate only one indoor unit using one remote controller. 2. Description Push the operation button When operating one indoor unit in a on the remote controller.

  • Page 51: Set Temp. Correction

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 18. Set temp. <Indoor control P.C. board (At shipment)> 1. Purpose correction When the difference between the set temp. of the remote controller and the room temp. is wide due to the installation condition, etc, the set temp.

  • Page 52: Auto Restart Function

    Heronhill - for all your Toshiba requirements 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.

  • Page 53: How To Cancel The Auto Restart Function

    Heronhill - for all your Toshiba requirements 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.

  • Page 54: Remote Controller And Its Fuctions

    Heronhill - for all your Toshiba requirements 9-5. Remote Controller and Its Fuctions 9-5-1. Parts Name of Remote Controller High power button (Hi POWER) Infrared signal transmitter Push this button to start high power operation. Transmits signals to the indoor unit.

  • Page 55: Name And Functions Of Indications On Remote Controller

    Heronhill - for all your Toshiba requirements 9-5-2. Name and Functions of Indications on Remote Controller [Display] All indications, except for the clock time indicator, are displayed by pushing the button. Transmission mark TIMER and clock time indicator This transmission mark...

  • Page 56: Hi-Power Mode

    Heronhill - for all your Toshiba requirements 9-6. Hi POWER Mode ([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, Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows.

  • Page 57: Installation Procedure

    Heronhill - for all your Toshiba requirements 10. INSTALLATION PROCEDURE 10-1. Safety Cautions For the rear left and left piping Hook 47 mm or more 1 Installation plate Wall Hook 140 mm or more Insert the cushion between 74 mm...
  • Page 58 Heronhill - for all your Toshiba requirements 10-2. Optional Parts, Accessories and Tools 10-2-1. Optional Installation Parts Part code Parts name Q’ty Refrigerant piping Indoor unit name Liquid side (Outer diameter) Gas side (Outer diameter) 1 ea. RAS-B10SKVP-E, B13SKVP-E 6.35 mm 9.52 mm...
  • Page 59 Heronhill - for all your Toshiba requirements 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.
  • Page 60 Heronhill - for all your Toshiba requirements 10-3. Indoor Unit 10-3-2. Drilling and Mounting Installation Plate 10-3-1. Installation Location • A place which provides enough spaces around Drilling the indoor unit as shown in the diagram. When install the refrigerant pipes from the rear.
  • Page 61 Heronhill - for all your Toshiba requirements 10-3-3. Electrical Work When the installation plate is directly mounted on the wall 1. The supply voltage must be the same as the rated voltage of the air conditioner. 1. Securely fit the installation plate onto the wall by 2.
  • Page 62 Heronhill - for all your Toshiba requirements 10-3-5. Piping and Drain Hose Installation Terminal cover Piping and drain hose forming Screw • Since condensation results in machine trouble, make sure to insulate both the connecting pipes Screw Terminal block separately.
  • Page 63 Heronhill - for all your Toshiba requirements 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.
  • Page 64 Heronhill - for all your Toshiba requirements 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. NOTE : In case of leftward piping and rear-leftward •...
  • Page 65 Heronhill - for all your Toshiba requirements 10-4. Outdoor Unit CAUTION 10-4-1. Accessory and Installation Parts 1. Install the outdoor unit without anything blocking the air discharging. 2. When the outdoor unit is installed in a place exposed always to a strong wind like a coast...
  • Page 66 Heronhill - for all your Toshiba requirements 10-4-5. Refrigerant Piping Connection • Flaring size : A (Unit : mm) CAUTION Fig. 10-4-4 KEEP IMPORTANT 4 POINTS FOR PIPING WORK - 0.4 Outer dia. of copper pipe 1. Keep dust and moisture from entering the R410A pipes.
  • Page 67 Heronhill - for all your Toshiba requirements 1. Piping connections to the outdoor unit should be 4. Connect 2 or more indoor units for heat pump. arranged in the sequence A, B, C starting from 5. If the outdoor units is to be mounted on a wall, the bottom.
  • Page 68 Heronhill - for all your Toshiba requirements • Tightening torque of flare pipe 10-4-7. Evacuating The pressure of R410A is higher than R22. After the piping has been connected to all indoor (Approx. 1.6 times) Therefore securely tighten the unit(s), you can perform the air purge together at once.
  • Page 69 Heronhill - for all your Toshiba requirements Packed valve handling precautions Wiring connection 1. Remove valve cover, the electric parts cover and • Open the valve stem all the way out ; do not try to the cord clamp from the outdoor unit.
  • Page 70 Heronhill - for all your Toshiba requirements 10-4-9. Check and Test Operation 10-4-10. Miswiring (Mispiping) Check Make sure that the wiring and piping for each room For R410A, use the leak detector exclusively have the same alphabetical codes (A, B, C).
  • Page 71 Heronhill - for all your Toshiba requirements Miswiring (mispiping) check by LED Indication • For this outdoor unit, the self-miswiring (mispiping) check is possible by using five LEDs (1 Yellow + 4 Red). * LEDs (D800 to D804) locate on the sub-control board underneath of the inverter.
  • Page 72 Heronhill - for all your Toshiba requirements 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 acciden- tally, a service port diameter of the outdoor unit control valve (3 way valve) has been changed.

  • Page 73: How To Diagnose The Trouble

    Heronhill - for all your Toshiba requirements 11. HOW TO DIAGNOSE THE TROUBLE The pulse modulating 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.)
  • Page 74 Heronhill - for all your Toshiba requirements 11-1. First Confirmation 11-1-3. Operation Which is not a Trouble (Program Operation) 11-1-1. Confirmation of Power Supply For controlling the air conditioner, the program Confirm that the power breaker operates (ON) operations are built in the microcomputer as de- normally.
  • Page 75 Heronhill - for all your Toshiba requirements 11-3. 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 condi- tion and indicates the information of the self-diagnosis on the display of the remote controller with the check codes.
  • Page 76 Heronhill - for all your Toshiba requirements 11-3-2. Caution at Servicing 1. After servicing, push the START/STOP 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.
  • Page 77 Heronhill - for all your Toshiba requirements Block distinction Operation of diagnosis function Judgment and action Check Check Block Cause of operation conditioner Remarks code code status Outdoor P.C. Inverter over-current All off Displayed when Even if trying operation again, all...

  • Page 78: Judgment Of Trouble By Every Symptom

    Heronhill - for all your Toshiba requirements 11-4. Judgment of Trouble by Every Symptom 11-4-1. 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.
  • Page 79 Heronhill - for all your Toshiba requirements (3) Only the indoor motor fan does not operate <Primary check>  ‚ 1. Is it possible to detect the power supply voltage (AC220–240V) between 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 prevent a cold air from blowing in.)
  • Page 80 Heronhill - for all your Toshiba requirements (4) Indoor fan motor automatically starts to rotate by turning on power supply <Cause> The IC is built in the indoor fan motor. Therefore the P .C. board is also mounted to inside of the motor.
  • Page 81 Heronhill - for all your Toshiba requirements (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. The unit does not beep at all.
  • Page 82 Heronhill - for all your Toshiba requirements 11-4-2. Wiring Failure (Interconnecting and Serial Signal Wire) (1) Outdoor unit does not operate ‚ ƒ 1) Is the voltage between of the indoor terminal block varied? Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram.
  • Page 83 Heronhill - for all your Toshiba requirements 11-5. Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure> Gas leakage, Discharge temp. error, disconnection of TS/TC gas leakage sensors (Check code 02, 1C) (Check code 03, 1E) Valve drive check Is coil of the pulse motor valve Set it correctly.
  • Page 84 Heronhill - for all your Toshiba requirements 11-6. Trouble Diagnosis by Outdoor LED For the outdoor unit, the self-diagnosis is possible by LED (Yel) and four LEDs (Red). • LED (Yel) (D800) and LEDs (Red) (D801 to D804) are D800D801D802D803D804...

  • Page 85: Troubleshooting

    Heronhill - for all your Toshiba requirements 11-7. Troubleshooting 11-7-1. How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once, and turn on again after 10 seconds. Does the OPERATION indicator flash? To item “Power supply is not turned on”...

  • Page 86: How To Diagnose Trouble In Outdoor Unit

    Heronhill - for all your Toshiba requirements 11-8. How to Diagnose Trouble in Outdoor Unit 11-8-1. Summarized Inner Diagnosis of Inverter Assembly Table 11-8-1 Diagnosis/Process flowchart Item Contents Summary Preparation Turn “OFF” the power supply breaker, and remove 3P connector which connects Remove inverter and compressor.
  • Page 87 Heronhill - for all your Toshiba requirements Diagnosis/Process flowchart Item Contents Summary Check Check winding resistance between phases of compres- sor, and resistance between outdoor frames by using a tester. Check → OK if 10MΩ or more • Is not grounded.
  • Page 88 Heronhill - for all your Toshiba requirements (3) Check procedures Table 11-9-1 Procedure Check points Causes Turn off the power supply breaker Check whether or not the fuse (F01) Impulse voltage was applied or the and remove the P .C. board is blown.
  • Page 89 Heronhill - for all your Toshiba requirements 11-9-2. P.C. Board Layout +12V [1] Sensor characteristic table TD : Discharge temp. sensor TA : Room temp. sensor TC : Heat exchanger temp. sensor TO : Outdoor temp. sensor TE : Outdoor heat exchanger temp. sensor TS : Suction temp.
  • Page 90 Heronhill - for all your Toshiba requirements 11-9-3. Indoor Unit (Other Parts) Part name Checking procedure Room temp. (TA) sensor Disconnect the connector and measure the resistance value with tester. Heat exchanger (TC) sensor (Normal temp.) Heat exchanger (TCJ) sensor Temperature 10°C...
  • Page 91 Heronhill - for all your Toshiba requirements 11-9-5. Checking Method for Each Part Part name Checking procedure Electrolytic capacitor 1. Turn OFF the power supply breaker. (For raising pressure, 2. Discharge all three capacitors completely. smoothing) 3. Check that safety valve at the bottom of capacitor is not broken.
  • Page 92 Heronhill - for all your Toshiba requirements 11-10. 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.

  • Page 93: How To Replace The Main Parts

    Heronhill - for all your Toshiba requirements 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.
  • Page 94 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Front panel 4) Push “PUSH” part under the front panel and remove hooks of the front panel from the installation plate. Installation plate Pull here Pull here Front panel...
  • Page 95 Heronhill - for all your Toshiba requirements Part name Procedures Remarks High voltage 1) Follow to the procedure in the item generator 2) Disconnect the connectors of the high-voltage generator, and disconnect the four leads from where they are fitted into the other components.
  • Page 96 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Electric parts 1) Follow the procedure up to 4) in above. TCJ sensor box assembly 2) Remove screw of earth lead attached to the end plate of the evaporator.
  • Page 97 Heronhill - for all your Toshiba requirements Part name Procedures Remarks 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.)
  • Page 98 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Bearing 1) Follow to the procedure in the items 2) Remove the two fixing screws used to secure the left edge panel of the heat exchanger, and Screw remove the two screws used to secure the Bearing bearing base.
  • Page 99 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Fan motor 1) Follow to the procedure in the item 2) Loosen the set screw of the cross flow fan. 3) Remove two fixing screws of the motor band (Right), and then remove the motor band (Right).
  • Page 100 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Cross flow fan <Caution at reassembling> 1) At assembling work of the bearing base, check that the drain pipe is surely incorpo- rated in the back body. (Otherwise, water leak is caused.)
  • Page 101 Heronhill - for all your Toshiba requirements 12-2. Microcomputer Part name Procedure Remarks Common procedure 1) Turn the power supply off to stop the Replace terminal block, operation of air-conditioner. microcomputer ass’y and the P .C. board ass’y. 2) Remove the front panel.
  • Page 102 Heronhill - for all your Toshiba requirements 12-3. Outdoor Unit Part name Procedure Remarks Common 1. Detachment procedure Upper cabinet NOTE Wear gloves for this job. Water-proof Otherwise, you may injure your hands on cover the parts, etc. Wiring cover...
  • Page 103 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Front cabinet 1. Detachment 1) Perform work of item 1 of 2) Remove the fixing screws (ST1TØ4 × 8L 1 pc.) used to secure the front cabinet and inverter cover, the screws (ST1TØ4 × 8L 3 pcs.) used to secure the front cabinet at...
  • Page 104 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Inverter 1. Detachment Inverter cover P . C. board assembly 1) Perform work of items 1. of (Soldered surface) 2) Remove screw (ST1TØ4 × 8L 1 pc.) of the upper part of the front cabinet.
  • Page 105 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Control 1. Disconnect lead wires and connectors connected board from the control board assembly to other parts. assembly 1) Lead wires • Connection with terminal block : 6 wires (Red, Orange, Pink, Black and two White wires) •...
  • Page 106 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Rear 1) Perform work of item 1. of cabinet 2) Remove fixed screws fixing to the bottom plate. (ST1TØ4 × 8L 2 pcs.) 3) Remove fixed screws fixing to the heat exchanger.
  • Page 107 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Pulse motor 1. Detachment PMV coil Positioning bracket valve coil 1) Perform step 1. in , all the steps in and 1. at coil side Lead wire 2) Release the coil from the notch by turning it, take-out port and remove coil from the pulse motor valve.
  • Page 108 Heronhill - for all your Toshiba requirements Part name Procedure Remarks TE sensor (outdoor heat exchanging temperature sensor) • Attachment With the sensor leads pointing in the direction shown in the figure, install the sensor onto the straight pipe part of the condenser output pipe.
  • Page 109 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Replacement of 1) Cut the sensor 100 mm longer than temperature old one. Cutting here Thermal sensor for servic- Connector sensor part 2) Cut the protective tube after pulling out ing only it (200 mm).
  • Page 110 Heronhill - for all your Toshiba requirements <MCC-1438> – 110 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 111 Heronhill - for all your Toshiba requirements <MCC-818> – 111 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 112: Exploded Views And Parts List

    Heronhill - for all your Toshiba requirements 13. EXPLODED VIEWS AND PARTS LIST 13-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E 216 213 225, 226 218, 219 221, 222, 224 ∗ The parts in the following parts list are conformed to RoHS.
  • Page 113 Heronhill - for all your Toshiba requirements 407, 408, 409 ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing. Location Part Location Part Description Description...
  • Page 114 Heronhill - for all your Toshiba requirements 13-2. Outdoor Unit RAS-3M18SAV-E, RAS-3M18SACV-E 36,37 26,27 11,14,17, 20 12,15,18, 21,23 – 114 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 115 Heronhill - for all your Toshiba requirements ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing. Location Part Location Part Description Description 43005637 Cabinet, Front Ass’y, RoHS...
  • Page 116 Heronhill - for all your Toshiba requirements 13-3. P.C. Board Layout RA-3M18SAV-E, RAS-3M18SACV-E 3M18SACV-E 3M18SAV-E TGa Sensor TGb Sensor TGc Sensor TO Sensor TE Sensor 3M18SACV-E TS Sensor Nothing TD Sensor ∗ The parts in the following parts list are conformed to RoHS.
  • Page 117 Heronhill - for all your Toshiba requirements TOSHIBA CARRIER CORPORATION 2 CHOME 12-32, KONAN, MINATOKU, TOKYO, 108-0075, JAPAN Copyright © 1999 to 2007 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved. Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

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