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Toshiba RAS-B10GKVP-E Service Manual

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Heronhill - for all your Toshiba requirements

SERVICE MANUAL

<Heat Pump Type>
Indoor Unit
RAS-B10GKVP-E RAS-M10GKCVP-E
RAS-B13GKVP-E RAS-M13GKCVP-E
RAS-B16GKVP-E RAS-M16GKCVP-E
Outdoor Unit
RAS-M14GAV-E
RAS-M18GAV-E
R410A
Tel: 01823 665660
<Cooling OnlyType>
Indoor Unit
Outdoor Unit
RAS-M14GACV-E
RAS-M18GACV-E
www.heronhill.co.uk
FILE NO. A05-009
SPLIT TYPE
PRINTED IN JAPAN, Nov.,2005 ToMo
Fax: 01823 665807

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  • Page 1: Service Manual

    Heronhill - for all your Toshiba requirements FILE NO. A05-009 SERVICE MANUAL SPLIT TYPE <Heat Pump Type> <Cooling OnlyType> Indoor Unit Indoor Unit RAS-B10GKVP-E RAS-M10GKCVP-E RAS-B13GKVP-E RAS-M13GKCVP-E RAS-B16GKVP-E RAS-M16GKCVP-E Outdoor Unit Outdoor Unit RAS-M14GAV-E RAS-M14GACV-E RAS-M18GAV-E RAS-M18GACV-E R410A PRINTED IN JAPAN, Nov.,2005 ToMo Tel: 01823 665660 www.heronhill.co.uk...

  • 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 mm 2 (H07RN-F or 245IEC66) 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 REGISTORS, FURNACE, STOVES, ETC.

  • Page 5: Specifications

    With the RAS-M18GAV-E and RAS-M18GACV-E outdoor unit models, the 13 + 16 or 16 + 16 combination is not an option. The contents noted in this service manual limit the indoor units to the RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E, RAS-M10GKCVP-E, RAS-M13GKCVP-E and RAS-M16GKCVP-E.

  • Page 6: Heat Pump Models

    Heronhill - for all your Toshiba requirements 2-1. Specifications <Heat Pump Models> RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E / RAS-M14GAV-E, RAS-M18GAV-E Indoor RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E Unit model Outdoor RAS-M14GAV-E RAS-M18GAV-E Cooling capacity (kW) Cooling capacity range (kW) 1.4 – 4.5 1.4 – 6.2...
  • Page 7 Heronhill - for all your Toshiba requirements <Cooling Only Models> RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E / RAS-M14GACV-E, RAS-M18GACV-E Indoor RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E Unit model Outdoor RAS-M14GACV-E RAS-M18GACV-E Cooling capacity (kW) Cooling capacity range (kW) 1.4 – 4.5 1.4 – 6.2 Heating capacity (kW) —...
  • Page 8 Heronhill - for all your Toshiba requirements 2-2. Performance Specifications Combinations of Indoor Unit <Cooling> RASM14GAV-E, RAS-M14GACV-E Volts Operating indoor unit Unit capacity (kW) Capacity Running current Power Consumption Operation Operation mode status — — 2.5 (1.1 to 3.2) 3.05 (1.10 to 4.30)
  • Page 9 Heronhill - for all your Toshiba requirements <Cooling> RAS-M18GAV-E , RAS-M18GACV-E Volts Operating indoor unit Unit capacity (kW) Capacity Running current Power Consumption Operation Operation mode status — 2.70 — 2.7 (1.1 to 3.2) 3.03 (1.43 to 03.83) 0600 (220 to 0800) 1 unit —...
  • Page 10 Heronhill - for all your Toshiba requirements 2-2-1. Operation Characteristic Curve <Cooling> RAS-M14GAV-E, RAS-M14GACV-E <Heating> RAS-M14GAV-E • Conditions Indoor : DB 20˚C Outdoor : DB 7˚C/WB 6˚C Air flow : High Pipe length : 7.5m × 2 2 units oper 230V •...
  • Page 11 Heronhill - for all your Toshiba requirements 2-2-3. Operation Characteristic Curve <Cooling> RAS-M18EAV-E, RAS-M18EACV-E <Heating> RAS-M18EAV-E • Conditions Indoor : DB 27˚C/WB 19˚C Outdoor : DB 35˚C Air flow : High Pipe length : 7.5m × 2 2 units operating 230V •...

  • 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 the As brazing work requires sophisticated techniques, 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-B10GKVP-E RAS-B13GKVP-E RAS-B16GKVP-E RAS-M10GKCVP-E RAS-M13GKCVP-E RAS-M16GKCVP-E Plasma pure filter Indoor heat exchanger Front panel Air filter Zeolite-plus filter Air ionizer Knockout system Knockout system 54.5 Remote controller holder 54.5...

  • Page 21: Outdoor Unit

    Heronhill - for all your Toshiba requirements 4-2. Outdoor Unit RAS-M14GAV-E, RAS-M18GAV-E (Heat pump models) RAS-M14GACV-E, RAS-M18GACV-E (Cooling only models) Ø25 drain hole leg part Ø11-14U-shape hole (for Ø8-Ø10 anchor bolt) 2-Ø20x88 drain long hole 8-Ø7 hole (for fixing outdoor unit) leg part Ø11x14 long hole...

  • Page 22: Wiring Diagram

    Heronhill - for all your Toshiba requirements 5. WIRING DIAGRAM 5-1. Indoor Unit RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E (Heat pump models) RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E (Cooling only models) POWER SUPPLY CIRCUIT Air purifier Electrode High-voltage Power supply Wireless Unit Assembly – 22 –...
  • Page 23 Heronhill - for all your Toshiba requirements 5-2. Outdoor Unit RAS-M14GAV-E, RAS-M18GAV-E (Heat pump models) RAS-M14GACV-E, RAS-M18GACV-E (Cooling only models) – 23 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 24: Specifications Of Electrical Parts

    Heronhill - for all your Toshiba requirements 6. SPECIFICATIONS OF ELECTRICAL PARTS 6-1. Indoor Unit RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-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. Refrigerant Cycle Diagram RAS-B10GKVP-E, RAS-B13GKVP-E RAS-M14GAV-E Temp. measurement INDOOR UNIT Indoor heat To B room To B room exchanger Indoor fan Per 1 unit Max. : 20m Deoxidized copper pipe...
  • Page 26 Heronhill - for all your Toshiba requirements RAS-M10GKCVP-E, RAS-M13GKCVP-E RAS-M14GACV-E Temp. measurement INDOOR UNIT Indoor heat To B room To B room exchanger Indoor fan Per 1 unit Max. : 20m Deoxidized copper pipe Total : 30m Pressure measurement Both A and B room Chargeless = 20m Outer dia.
  • Page 27 Heronhill - for all your Toshiba requirements RAS-B10GKVP-E, RAS-M13GKVP-E, RAS-M16GKVP-E RAS-M18GAV-E Temp. measurement INDOOR UNIT Indoor heat To B room To B room exchanger Indoor fan Per 1 unit Max. : 20m Deoxidized copper pipe Total : 30m Pressure measurement...
  • Page 28 Heronhill - for all your Toshiba requirements RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E RAS-M18GACV-E Temp. measurement INDOOR UNIT Indoor heat To B room To B room exchanger Indoor fan Per 1 unit Max. : 20m Deoxidized copper pipe Total : 30m Pressure measurement...

  • Page 29: Operation Data

    Heronhill - for all your Toshiba requirements 7-2. Operation Data <Cooling> RAS-M14GAV-E, RAS-M14GACV-E Temperature Operating combination Heat exchanger No.of Standard Compressor Indoor Outdoor condition (°C) (Unit) pipe temp. operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) —...

  • Page 30: Control Block Diagram

    Heronhill - for all your Toshiba requirements 8. CONTROL BLOCK DIAGRAM 8-1. Indoor Unit RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-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 31 Heronhill - for all your Toshiba requirements RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-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 32 Heronhill - for all your Toshiba requirements 8-2. Outdoor Unit (Inverter Assembly) RAS-M14GAV-E, RAS-M18GAV-E (Heat pump models) RAS-M14GACV-E, RAS-M18GACV-E (Cooling only models) – 32 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 33: 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 34 Heronhill - for all your Toshiba requirements 9-2. Operation Description 9-2. 1. Basic operation ........................35 1. Operation control ....................... 35 2. Operating mode selection when performing 2-roomoperation ........... 36 3. Cooling/Heating operation ....................36 4. AUTO operation ......................... 37 5.

  • Page 35: 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 36: Operating Mode Selection When Performing 2-Roomoperation

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

  • Page 37: 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 38: 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 39: In Heating Operation

    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 40: 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 41 Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 3. Outdoor fan Heating operation motor control 1) Operation is performed at the MAX revolutions shown in the left tables for 3 minutes after compressor operation starts and for 1 minute after defrosting operation ends.

  • Page 42: Capacity Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 4. Capacity 1) Indoor unit A and Indoor unit B Outdoor unit control determine the respective instruction revolutions from the Indoor unit A difference between the remote...

  • Page 43: Release Protective Control By Temperature Of Indoor Heat Exchanger

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 6. Release protective <In cooling/dry operation> 1) When temperature of the indoor control by tempera- heat exchanger drops below 5°C, (Prevent-freezing control for indoor heat exchanger)

  • Page 44: 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 45: 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 46: Eco Operation

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

  • Page 47: 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 48: Air Purifying Control [Detection Of Abnormality]

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

  • Page 49: Pulse Motor Valve (P .M.v.) 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 1) When starting the operation, move the valve (P.M.V.) refrigerant in the refrigerating cycle. valve once until it fits to the stopper.

  • Page 50: Clean Operation

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 15. Clean operation 1. Purpose 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 51: Clean Operation Release

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 16. Clean operation Setting the clean operation release release * J04 will be near the MCU so take Add J04 of the indoor P.C. board assembly.

  • Page 52: 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 Press the operation button When operating one indoor unit in a on the remote controller.

  • Page 53: 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 54: 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 55: 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 Infrared signal emitter Cancel button (CLR) Transmits signal to the indoor unit. Press this button to cancel the ON timer and OFF timer.

  • Page 56: 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 pressing the button. Transmission mark TIMER and clock time indicator This transmission mark...

  • Page 57: 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 58: 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 59 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-B10GKVP-E, B13GKVP-E 6.35 mm 9.52 mm...
  • Page 60 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 61 Heronhill - for all your Toshiba requirements 10-3. Indoor Unit 10-3-2. Drilling a Hole and Mounting Instal- lation Plate 10-3-1. Installation Place • A place which provides enough spaces around the Drilling a hole indoor unit as shown in the diagram.
  • Page 62 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 63 Heronhill - for all your Toshiba requirements 10-3-5. Piping and Drain Hose Installation CAUTION Piping and drain hose forming • Be sure to refer to the wiring system diagram labeled inside the front panel. • Since condensation results in machine trouble, •...
  • Page 64 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 65 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 66 Heronhill - for all your Toshiba requirements 10-4. Which Models Can Be Combined Table of models that can be connected Type Outdoor unit Indoor unit RAS-B10GKVP-E RAS-B13GKVP-E RAS-M14GAV-E RAS-M10GKV-E RAS-M13GKV-E RAS-M10GDV-E RAS-M13GDV-E Heat pump RAS-B10GKVP-E RAS-B13GKVP-E RAS-B16GKVP-E RAS-M18GAV-E RAS-M10GKV-E RAS-M13GKV-E...
  • Page 67 Heronhill - for all your Toshiba requirements 10-5. Installation of Outdoor Unit • You will need to add 20 g of refrigerant per meter of added connection piping for installa- 10-5-1. Installation Location tions requiring connection piping to be between 21 m to 30 m.
  • Page 68 Heronhill - for all your Toshiba requirements 10-5-2. Draining the Water Precautions for adding refrigerant • Holes are provided on the base plate of the • Use a scale having a precision with at least 10 g outdoor unit to ensure that the defrost water per index line when adding the refrigerant.
  • Page 69 Heronhill - for all your Toshiba requirements 10-5-3. Refrigerant Piping Connection Tightening Connection Align the centers of the connecting pipes and tighten Flaring the flare nut as much as possible with your fingers. 1. Cut the pipe with a pipe cutter.
  • Page 70 Heronhill - for all your Toshiba requirements Use a vacuum pump Connectable capacity class Be sure to use a vacuum pump with counter-flow Total prevention function so that oil inside the pump does 10, 13 10, 13 not flow back into the air conditioner pipes when the ∗1...
  • Page 71 Heronhill - for all your Toshiba requirements Packed Valve handling precautions • Open the valve stem all the way; but do not try to 1 2 3 open it beyond the stopper. • Securely tighten the valve stem cap with torque in the following table: Gas side (Ø12.7 mm)
  • Page 72 Heronhill - for all your Toshiba requirements 10-6. Grounding CAUTION This air conditioner must be grounded without fail. • Use a circuit breaker of a type that is not Grounding is necessary not only to safeguard tripped by shock waves.
  • Page 73 Heronhill - for all your Toshiba requirements 10-8. Test Operation 10-8-4. Remote Controller Selector Switch Setting 10-8-1. Gas Leak Test • Check the flare nut connections for gas leaks with Remote controller selector switch a gas leak detector and/or soapy water.
  • Page 74 Heronhill - for all your Toshiba requirements 10-9. Useful Functions 10-9-1. Self-Diagnosis by LED Indication • For this outdoor unit, by referring to the 5 LED (Red) indicator lights, self-diagnosis is possible. • LEDS (Red, D09 to D13) are located on the sub-control board underneath the inverter.

  • Page 75: How To Diagnose The Trouble

    Heronhill - for all your Toshiba requirements 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.)
  • Page 76 Heronhill - for all your Toshiba requirements 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.
  • Page 77 Heronhill - for all your Toshiba requirements 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.
  • Page 78 Heronhill - for all your Toshiba requirements 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.
  • Page 79 Heronhill - for all your Toshiba requirements 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 condi- tion and indicates the information of the self-diagnosis on the display of the remote controller with the check codes.
  • Page 80 Heronhill - for all your Toshiba requirements 11-4-2. Caution at Servicing 1. After servicing, press 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 81 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 82: Judgment Of Trouble By Every Symptom

    Heronhill - for all your Toshiba requirements 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.
  • Page 83 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 84 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 85 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 86 Heronhill - for all your Toshiba requirements 11-5-2. 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 follow- ing diagram.
  • Page 87 Heronhill - for all your Toshiba requirements 11-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure> Disconnection of TGa sensor. Discharge temp.error, TGb sensor, P.M.V sensor error gas leakage (Check dode 02,1C) (Check code 03,1E) Miswiring in indoor/outdoor units,...
  • Page 88 Heronhill - for all your Toshiba requirements 11-7. Trouble Diagnosis by Outdoor LED For the outdoor unit, the self-diagnosis is possible by five LEDs (Red). • LEDs (Red) (D09 to D13) are provided on the sub- control board under surface of the inverter, and as shown below, they are checked from the wiring port when removing the wiring cover.

  • Page 89: Troubleshooting

    Heronhill - for all your Toshiba requirements 11-8. Troubleshooting 11-8-1. 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 90 Heronhill - for all your Toshiba requirements 11-8-2. How to Check Whether the Minus Ion Generator 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 91: How To Diagnose Trouble In Outdoor Unit

    Heronhill - for all your Toshiba requirements 11-9. How to Diagnose Trouble in Outdoor Unit 11-9-1. Summarized Inner Diagnosis of Inverter Assembly Table 11-9-1 Diagnosis/Process flowchart Item Contents Summary Preparation Turn “OFF” the power supply breaker, and remove 3P Remove connector connector which connects of compressor.
  • Page 92 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. → OK if 10MΩ or more • Is not grounded.
  • Page 93 Heronhill - for all your Toshiba requirements (3) Check procedures Table 11-10-1 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 94 Heronhill - for all your Toshiba requirements 11-10-2. 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 95 Heronhill - for all your Toshiba requirements 11-10-3. 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.) Temperature 10°C 20°C 25°C 30°C...
  • Page 96 Heronhill - for all your Toshiba requirements Part name Checking procedure ROutdoor temperature sensor Disconnect the connector, and measure resistance value with the tester. (TO), discharge temperature (Normal temperature) sensor (TD), suction tempera- Temperature ture sensor (TS), outdoor heat 10°C 20°C...
  • Page 97 Heronhill - for all your Toshiba requirements 11-11. 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 98: 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 99 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Front panel 4) Press “ ” part under the front panel and remove hooks of the front panel from the installation plate. Pull here Installation plate Press here Press here...
  • Page 100 Heronhill - for all your Toshiba requirements Part name Procedures Remarks High voltage 1) Follow to the procedure in the item generator 2) Remove the drain guide. 3) To remove the air ionizer from the back body, pull it toward you while pressing down on its left Connector and right claws.
  • Page 101 Heronhill - for all your Toshiba requirements Part name Procedures Remarks Electric parts 1) Follow the procedure up to 4) in above. box assembly 2) Remove screw of earth lead attached to the Lead wire end plate of the evaporator.
  • Page 102 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 103 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 104 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 105 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 106 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 107 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 cover Otherwise, you may injure your hands on the parts, etc. 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air conditioner.
  • Page 108 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Front cabinet 1. Detachment 1) Perform step 1 in 2) Remove the fixing screws (ST1TØ4 × 8L 2 pcs.) used to secure the front cabinet and inverter cover, the screws (ST1TØ4 ×...
  • Page 109 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Inverter 1) Perform work of item 1 in Inverter cover assembly 2) Remove screw (ST1TØ4 × 8L 2 pcs.) of the P . C. board upper part of the front cabinet.
  • Page 110 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Control board 1. Disconnect the leads and connectors connected to assembly the other parts from the control board assembly. 1) Leads CN701 • 3 leads (black, white, orange) connected to CN300 terminal block.
  • Page 111 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Side cabinet 1. Side cabinet (right) 1) Perform step 1 in and all the steps in 2) Remove the fixing screw (ST1TØ4 × 8L 5 pcs.) used for securing the side cabinet to the bottom plate and valve fixing panel.
  • Page 112 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Compressor 1) Perform work of item 1 of 2) Extract refrigerant gas. 3) Remove the partition board. (ST1TØ4 × 8L 3 pcs.) 4) Remove the sound-insulation material. 5) Remove terminal cover of the compressor, and disconnect lead wire of the compressor and the comp.
  • Page 113 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Electronic 1. Detachment expansion valve 1) Perform step 1 in , all the steps in coil 1 in 2) Remove the coil by pulling it up from the electronic control valve body.
  • Page 114 Heronhill - for all your Toshiba requirements Part name Procedure Remarks TE sensor (outdoor heat exchanging temperature sensor) • Attachment Detail A With the sensor leads pointing in the direction shown in the Arrow D figure, install the sensor onto the straight pipe part of the condenser output pipe.
  • Page 115 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Replacement of 1) Cut the sensor 100 mm longer than old temperature sensor one. Cutting here Thermal for servicing only Connector sensor part 2) Cut the protective tube after pulling out it (200 mm).
  • Page 116 Heronhill - for all your Toshiba requirements Outdoor unit Main P.C. board (MCC-5009) – 116 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 117 Heronhill - for all your Toshiba requirements Outdoor unit Sub P.C. board (MCC-5015-03) – 117 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 118: Exploded Views And Parts List

    Heronhill - for all your Toshiba requirements 13. EXPLODED VIEWS AND PARTS LIST 13-1. Indoor Unit (1) 225, 226 221, 222, 224 218, 219 ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing.
  • Page 119 Heronhill - for all your Toshiba requirements Indoor Unit (2) 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...
  • Page 120 Heronhill - for all your Toshiba requirements 13-2. Outdoor Unit 45, 46 23, 24 25, 26, 47 12, 13 14, 16, 18, 20 10, 11 15, 17, 19, 21, 22 10, 11 – 120 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 121 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 Location Part Description Part Description 43005657 Cabinet, Front 37546848 Valve, P .M.V.,...
  • Page 122 Heronhill - for all your Toshiba requirements 13-3. P.C. Board Layout 711, 713 702 Sencor, TS 701 Sencor, TE 703 Sencor, TO 702 Sencor, TS 706 Sencor, TGa 703 Sencor, TO 707 Sencor, TGb 704 Sencor, TGa (Ø4) 708 Sencor, TD (Ø4) 705 Sencor, TGb (Ø4)

  • Page 123: Cord Heater Installation Work

    Heronhill - for all your Toshiba requirements Appendix Cord Heater Installation Work Applicable Models: RAS-M14GAV-E, RAS-M18GAV-E 1. Required parts for installation work (Recommendation) The above products conform to RoHS (2002/95/EC). Therefore when procuring and using the following recom- mended parts at local site, it is recommended to confirm each part conforms to RoHS before use.
  • Page 124 Heronhill - for all your Toshiba requirements Appendix Part name Q’ty Specifications/Vendor Remarks Power cord 2-cores x 0.75mm² or more, H05RN-F Procured locally Thermostat Material: SGCC-Z08, Board thickness: 0.8t Procured locally fixing plate (Drawing attached) PVC tube Inside diameter Ø8 x outside diameter Ø11 x 70 mm...
  • Page 125 Heronhill - for all your Toshiba requirements Appendix 3. Cord heater installation wiring diagram Fuse Thermostat Cord heater * Be sure to connect the fuse and the thermostat to LIVE side of the cord heater. Outdoor unit Earth leakage circuit breaker...
  • Page 126 Heronhill - for all your Toshiba requirements Appendix 4. Cord heater installation work procedure Photo / Explanatory diagram Procedure Remove each cabinet, inverter assembly, motor base assembly, and partition board assembly. * Do not damage the electric parts such as cables, connectors, etc. while this work.
  • Page 127 Heronhill - for all your Toshiba requirements Appendix Photo / Explanatory diagram Procedure Remove the motor base assembly, partition plate assembly Motor base and the sound insulation board. assembly Related parts / Screws list Partition plate Used screw assembly Part name...
  • Page 128 Heronhill - for all your Toshiba requirements Appendix Photo / Explanatory diagram Procedure Cord heater installation work Drill a hole on the outdoor unit base plate, and fix the cord heater to the outdoor unit base plate using P-shape clamp.
  • Page 129 Heronhill - for all your Toshiba requirements Appendix Photo / Explanatory diagram Procedure Rework the side cabinet (L) to remove part of it. Side cabinet (L) The area to be removed is indicated by the shaded lines in the left figure.
  • Page 130 Heronhill - for all your Toshiba requirements Appendix Photo / Explanatory diagram Procedure Assembly Return a set of the refrigeration cycle assembly into the outdoor unit base plate and reassemble sound insulation board, partition plate assembly, fan motor assembly, and side cabinet (R/L) as original. Fix the thermostat fixing plate to the side cabinet (R), built in the inverter assembly, and then connect various cables.
  • Page 131 Heronhill - for all your Toshiba requirements Appendix 5. Drawing of thermostat fixing plate 2-Ø3.4 burring hole (Upward) 3-Ø3.4 burring hole (Downward) Material: SGCC-Z08, Thickness: 0.8t Appendix-9 Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 132 Heronhill - for all your Toshiba requirements Appendix 6. Diagram showing positions φ φ φ φ φ 3.2 mm holes to be additionally drilled in base plate Appendix-10 Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 133 This product is compliant with Directive 2002/95/EC, and cannot be disposed as unsorted municipal waste. TOSHIBA CARRIER CORPORATION 2 CHOME 12-32, KONAN, MINATOKU, TOKYO, 108-0075, JAPAN Copyright © 1999 to 2005 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved. Tel: 01823 665660 www.heronhill.co.uk...

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