Toshiba RAS-B10GKVP-E Service Manual
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Toshiba RAS-B10GKVP-E Service Manual

Toshiba RAS-B10GKVP-E Service Manual

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Heronhill - for all your Toshiba requirements

SERVICE MANUAL

RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E
RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E
RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E
R410A
Tel: 01823 665660
www.heronhill.co.uk
FILE NO. A05-011
SPLIT TYPE
RAS-4M27GAV-E
RAS-4M27GACV-E
RAS-3M26GAV-E
PRINTED IN JAPAN, Dec.,2005 ToMo
Fax: 01823 665807

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Summary of Contents for Toshiba RAS-B10GKVP-E

  • Page 1: Service Manual

    Heronhill - for all your Toshiba requirements FILE NO. A05-011 SERVICE MANUAL SPLIT TYPE RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E RAS-4M27GAV-E RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E RAS-4M27GACV-E RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E RAS-3M26GAV-E R410A PRINTED IN JAPAN, Dec.,2005 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 ................24 4. CONSTRUCTION VIEWS ................ 32 5. WIRING DIAGRAM .................. 34 6. SPECIFICATIONS OF ELECTRICAL PARTS ......... 36 7. REFRIGERANT CYCLE DIAGRAM ............37 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 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 RESISTORS, FURNACE, STOVES, ETC.

  • Page 5: Specifications

    A 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-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-4M27GAV-E, RAS-3M26GAV-E Indoor RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E Unit model Outdoor RAS-4M27GAV-E RAS-3M26GAV-E Cooling capacity (kW) Cooling capacity range (kW) 1.4 – 9.2 1.4 – 8.9...
  • Page 7 Heronhill - for all your Toshiba requirements <Cooling Only Models> RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E / RAS-4M27GACV-E Indoor RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E Unit model Outdoor RAS-4M27GACV-E Cooling capacity (kW) Cooling capacity range (kW) 1.4 – 9.2 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-4M27GAV-E <Cooling/220V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current...
  • Page 9 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Cooling/230V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.71 1 unit – – – – – –...
  • Page 10 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Cooling/240V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.55 1 unit – – – – – –...
  • Page 11 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Heating/220V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1450 6.73 1 unit – – – – –...
  • Page 12 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Heating/230V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1450 6.43 1 unit – – – – –...
  • Page 13 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Heating/240V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1450 6.16 1 unit – – – – –...
  • Page 14 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GACV-E <Cooling/220V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.87 1 unit – – – – – –...
  • Page 15 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GACV-E <Cooling/230V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.71 1 unit – – – – – –...
  • Page 16 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GACV-E <Cooling/240V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.55 1 unit – – – – – –...
  • Page 17 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Cooling/220V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.87 1 unit – – – – (1.4 to 3.2) (640 to 950) (3.68 to 4.64)
  • Page 18 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Cooling/230V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.71 1 unit – – – – (1.4 to 3.2) (640 to 950) (3.52 to 4.44)
  • Page 19 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Cooling/240V> Power Indoor unit Unit capacity (kW) Cooling Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 3.55 1 unit – – – – (1.4 to 3.2) (640 to 950) (338 to 4.26)
  • Page 20 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Heating/220V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1500 6.96 1 unit – – – – (0.8 to 5.2) (300 to 1980) (1.87 to 9.18)
  • Page 21 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Heating/230V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1500 6.65 1 unit – – – – (0.8 to 5.2) (300 to 1980) (1.79 to 8.78)
  • Page 22 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Heating/240V> Power Indoor unit Unit capacity (kW) Heating Power Operating Outdoor Operating supply capacity consumption current noise status (kW) (dB) 1500 6.38 1 unit – – – – (0.8 to 5.2) (300 to 1980) (1.71 to 8.42)
  • Page 23 Heronhill - for all your Toshiba requirements 2-2-1. Operation Characteristic Curve <Cooling> <Heating> • Conditions • Conditions 220V Indoor : DB27˚C/WB19˚C Indoor : DB20˚C 220V Outdoor : DB35˚C Outdoor : DB7˚C / WB6˚C Air flow : High Air flow : High...

  • Page 24: 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 25 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 26 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 27 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 28 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 29: 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 30 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 31 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 32: 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 33 Heronhill - for all your Toshiba requirements 4-2. Outdoor Unit RAS-4M27GAV-E, RAS-4M27GACV-E, RAS-3M26GAV-E Knock out 88 × 20 hole 3-Ø3. 5 hole Knock out Anchor bolt (4-Ø12 × 17 hole) Fan guard Handle Liquid valve Gas valve Service port Outdoor air temperature sensor...
  • Page 34 Heronhill - for all your Toshiba requirements To outdoor unit Color Identification WHITE BLACK BLUE BROWN ORANGE PURPUL YELLOW GRAY PINK GRN& GREEN& INDOOR 1 2 3 4 YELLOW TERMINAL BLOCK 1 2 3 4 Heat exchanger Ion electrode GRN & YEL...
  • Page 35 Heronhill - for all your Toshiba requirements 5-2. Outdoor Unit RAS-4M27GAV-E, RAS-4M27GACV-E, RAS-3M26GAV-E Color Identification NOTE BLK : BLACK WHI : WHITE IGBT : Insulated Gate Bipolar BLU : BLUE BRW : BROWN Transistor RED : RED ORN : ORANGE...

  • Page 36: 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 37: Refrigerant Cycle Diagram

    Heronhill - for all your Toshiba requirements 7. REFRIGERANT CYCLE DIAGRAM RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E / RAS-4M27GAV-E Temp. measurement Indoor unit A D room C room B room D room C room B room Evaporator Cross flow fan Per 1 unit Max.
  • Page 38 Heronhill - for all your Toshiba requirements RAS-M10GKCVP-E, RAS-M13GKCVP-E, RAS-M16GKCVP-E / RAS-4M27GACV-E Temp. measurement D room C room B room D room C room B room Indoor unit A Evaporator Cross flow fan Per 1 unit Max. : 25m Min. : 2m Connecting pipe Thickness : 0.8mm...
  • Page 39 Heronhill - for all your Toshiba requirements RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E / RAS-3M26GAV-E Temp. measurement Indoor unit A C room B room C room B room Evaporator Cross flow fan Per 1 unit Connecting pipe Max. : 25m Min. : 2m Thickness : 0.8mm...

  • Page 40: Operation Data

    Heronhill - for all your Toshiba requirements 7-2. Operation Data Outdoor Unit : RAS-4M27GAV-E <Cooling> Temperature Operating combination Heat exchanger No. of Standard Compressor condition (Unit) pipe temp. Indoor Outdoor operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C)
  • Page 41 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GAV-E <Heating> Temperature Operating combination Heat exchanger No. of Standard Compressor condition (Unit) pipe temp. Indoor Outdoor operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 1 unit –...
  • Page 42 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-4M27GACV-E <Cooling> Temperature Operating combination Heat exchanger No. of Standard Compressor condition (Unit) pipe temp. Indoor Outdoor operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 1 unit –...
  • Page 43 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Cooling> Temperature Operating combination Heat exchanger No. of Standard Compressor condition (Unit) pipe temp. Indoor Outdoor operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 1 unit –...
  • Page 44 Heronhill - for all your Toshiba requirements Outdoor Unit : RAS-3M26GAV-E <Heating> Temperature Operating combination Heat exchanger No. of Standard Compressor condition (Unit) pipe temp. Indoor Outdoor operating pressure revolution units P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 1 unit –...

  • Page 45: 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 46 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 47 Heronhill - for all your Toshiba requirements 8-2. Outdoor Unit (Inverter Assembly) RAS-4M27GAV-E, RAS-4M27GACV-E, RAS-3M26GAV-E Outdoor air temp. Sensor Gas side pipe temp. Sensor Suction temp. Sensor Evaporator temp. Sensor Discharge temp. Sensor MCC-818 (SUB-P.C. B) A unit A unit P.M.V.

  • Page 48: 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 49 Heronhill - for all your Toshiba requirements 9-2. Operation Description 9-2. 1. Basic operation ........................50 1. Operation control ....................... 50 2. Operating mode selection when performing 2-room operation .......... 51 3. Cooling/Heating operation ....................51 4. AUTO operation ......................... 52 5.

  • Page 50: 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 51: 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 52: 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 53: 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 54: 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 55: 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 56: Capacity Control

    Heronhill - for all your Toshiba requirements Item Operation flow and applicable data, etc. Description 4. Capacity 1) Four indoor units from A to D determine the respective instruction revolutions from the differ- control ence between the remote controller setting temperature (Ts) and the indoor temperature (Ta), and transmit this to the outdoor unit.

  • Page 57: 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 58: 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 59: 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 60: 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 61: 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 62: 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 63: 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 64: 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 65: 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 66: 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 67: 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 68: 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 69: 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 70: 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 71: 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 72: 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 80 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 81 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 82 Heronhill - for all your Toshiba requirements 1. Piping connections to the outdoor unit should be Tightening connection arranged in the sequence A, B, C, D starting from the bottom. Align the centers of the connecting pipes and tighten (For each piping connection, the gas pipe is on the the flare nut as far as possible with your fingers.
  • Page 83 Heronhill - for all your Toshiba requirements 10-4-7. Evacuating Packed valve handling precautions After the piping has been connected to all indoor • Open the valve stem all the way out ; do not try to unit(s), you can perform the air purge together at once.
  • Page 84 Heronhill - for all your Toshiba requirements 3 units (A + B + C) Multi 10-4-9. Check and Test Operation Terminal block (Connecting cable) For R410A, use the leak detector exclusively manufactured for HFC refrigerant (R410A, R134a, etc.). * The conventional leak detector for HCFC refriger- Screw ant (R22, etc.) cannot be used because its sensi-...
  • Page 85 Heronhill - for all your Toshiba requirements 10-4-10. Miswiring (Mispiping) Check 5. During check (Check time 3 to 20 minutes). • When an error describes in the table below Make sure that the wiring and piping for each room occurred check operation stops and error code have the same alphabetical codes (A, B, C, D).
  • Page 86 Heronhill - for all your Toshiba requirements Useful Functions Self-Diagnosis by LED Indication • For this outdoor unit, the self-diagnosis is possible by using five LEDs (1 Yellow + 4 Red). * LEDs (D800 to D804) are provided on P.C. board of the inverter.

  • Page 87: 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 88 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 89 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 90 Heronhill - for all your Toshiba requirements 11-3-2. 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 91 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 92: 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 93 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 94 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 95 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 96 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 follow- ing diagram.
  • Page 97 Heronhill - for all your Toshiba requirements 11-5. 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 D800 D801 D802 D803 D804...

  • Page 98: Troubleshooting

    Heronhill - for all your Toshiba requirements 11-6. Troubleshooting 11-6-1. 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 99 Heronhill - for all your Toshiba requirements 11-6-2. 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 100: How To Diagnose Trouble In Outdoor Unit

    Heronhill - for all your Toshiba requirements 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 Summary Preparation Turn “OFF” the power supply breaker, and remove 3P connector which connects Remove inverter and compressor.
  • Page 101 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 102 Heronhill - for all your Toshiba requirements (3) Check procedures Table 11-8-1 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 103 Heronhill - for all your Toshiba requirements 11-8-2. 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 104 Heronhill - for all your Toshiba requirements 11-8-3. 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 105 Heronhill - for all your Toshiba requirements 11-8-5. 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 106 Heronhill - for all your Toshiba requirements 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.

  • Page 107: 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 108 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 109 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 110 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 111 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 112 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 113 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 114 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 115 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 116 Heronhill - for all your Toshiba requirements 12-3. Outdoor Unit Part name Procedure Remarks Common 1. Detachment procedure 1) Stop operation of the air conditioner, and turn “OFF” the power breaker. Air outlet panel Upper panel 2) Remove the side panel. (Ø4 × 10L 3 pcs.)
  • Page 117 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Control 1. Disconnect lead wires and connectors connected from the control board assembly to other parts. board assembly 1) Lead wires • Connection with terminal block : 7 wires...
  • Page 118 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Fan motor 1) Perform work from item 1) to 5), 7) of 2) Remove the flange nut fixing the fan motor and the propeller fan. • Flange nut is loosened by turning clockwise.
  • Page 119 Heronhill - for all your Toshiba requirements Part name Procedure Remarks Pulse motor 1. Detachment valve coil 1) Perform work of item Positioning bracket at coil side PMV coil 2) Release the coil from the notch by turning it, Lead wire and remove coil from the pulse motor valve.
  • Page 120 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 121 Heronhill - for all your Toshiba requirements <MCC-1438> – 121 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 122 Heronhill - for all your Toshiba requirements <MCC-818> – 122 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...

  • Page 123: 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 124 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 125 Heronhill - for all your Toshiba requirements 13-2. Outdoor Unit 41, 42 39, 40 12, 45, 47 13, 46, 48 49 27 50, 51 – 125 – Tel: 01823 665660 www.heronhill.co.uk Fax: 01823 665807...
  • Page 126 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 43005640 Cabinet, Back Ass’y...
  • Page 127 Heronhill - for all your Toshiba requirements 13-3. P.C. Board Layout RAS-4M27GAV-E TO Sensor TE Sensor TS Sensor TD Sensor TGa Sensor TGb Sensor TGc Sensor TGd Sensor ∗ The parts in the following parts list are conformed to RoHS.
  • Page 128 Heronhill - for all your Toshiba requirements RAS-4M27GACV-E TO Sensor TD Sensor TGa Sensor TGb Sensor TGc Sensor TGd Sensor ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing.
  • Page 129 Heronhill - for all your Toshiba requirements RAS-3M26GAV-E TO Sensor TE Sensor TS Sensor TD Sensor TGa Sensor TGb Sensor TGc Sensor ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing.
  • Page 130 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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