Toshiba RAS-10GAVP-E Service Manual
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Toshiba RAS-10GAVP-E Service Manual

Toshiba air condition service manual
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See also: Owner's Manual , Installation Manual
Indoor Unit
<High Wall, Heat Pump Type>
RAS-B10GKVP-E
RAS-B13GKVP-E
RAS-B16GKVP-E
R410A
Outdoor Unit
<Heat Pump Type>
RAS-10GAVP-E
RAS-13GAVP-E
RAS-16GAVP-E
PRINTED IN JAPAN, Nov.,2005 ToMo

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Summary of Contents for Toshiba RAS-10GAVP-E

  • Page 1 Indoor Unit <High Wall, Heat Pump Type> RAS-B10GKVP-E RAS-B13GKVP-E RAS-B16GKVP-E R410A Outdoor Unit <Heat Pump Type> RAS-10GAVP-E RAS-13GAVP-E RAS-16GAVP-E PRINTED IN JAPAN, Nov.,2005 ToMo...

  • Page 2: Table Of Contents

    1. SAFETY PRECAUTIONS ... 3 2. SPECIFICATIONS ... 5 3. REFRIGERANT R410A ... 7 4. CONSTRUCTION VIEWS ... 15 5. WIRING DIAGRAM ... 17 6. SPECIFICATIONS OF ELECTRICAL PARTS ... 18 7. REFRIGERANT CYCLE DIAGRAM ... 19 8. CONTROL BLOCK DIAGRAM ... 22 9.

  • Page 3: 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. • The precautions described below include the important items regarding safety. Observe them without fail. •...
  • Page 4 • DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION. • TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTORS, FURNACE, STOVES, ETC.

  • Page 5: Specifications

    2-1. Specifications RAS-B10GKVP-E/RAS-B13GKVP-E/RAS-B16GKVP-E, RAS-10GAVP-E/RAS-13GAVP-E/RAS-16GAVP-E Indoor Unit model Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Operation mode Running current Indoor Power consumption Power factor Electric Operation mode characteristics Running current Outdoor Power consumption Power factor...

  • Page 6: Operation Characteristic Curve

    2-2. Operation Characteristic Curve <Cooling> RAS-B10GKVP-E RAS-B13GKVP-E RAS-B16GKVP-E • Conditions Indoor : DB 27˚C/WB 19˚C Outdoor : DB 35˚C Air flow : High Pipe length : 7.5m Voltage : 230V Compressor speed (rps) 2-3. Capacity Variation Ratio According to Temperature <Cooling>...

  • Page 7: Refrigerant R410A

    This air conditioner adopts the new refrigerant HFC (R410A) which does not damage the ozone layer. The working pressure of the new refrigerant R410A is 1.6 times higher than conventional refrigerant (R22). The refrigerating oil is also changed in accordance with change of refrigerant, so be careful that water, dust, and existing refrigerant or refrigerat- ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during...
  • Page 8 Table 3-2-1 Thicknesses of annealed copper pipes Nominal diameter 2. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
  • Page 9 d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conven- tional flare tool. Flare processing dimensions differ according to the type of flare tool.
  • Page 10 Table 3-2-6 Flare and flare nut dimensions for R22 Nominal Outer diameter diameter (mm) 6.35 9.52 12.70 15.88 19.05 Fig. 3-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc. b) Correctly align the processed flare surface with the union axis.
  • Page 11 3-3. Tools 3-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7 copper pipe) of the refrigerant piping are lengthened.

  • Page 12: Recharging Of Refrigerant

    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. Connect the charge hose to packed valve service port at the outdoor unit’s gas side.

  • Page 13: Brazing Of Pipes

    1. Be sure to make setting so that liquid can be charged. 2. When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 14 2. Characteristics required for flux • Activated temperature of flux coincides with the brazing temperature. • Due to a wide effective temperature range, flux is hard to carbonize. • It is easy to remove slag after brazing. • The corrosive action to the treated metal and brazing filler is minimum.

  • Page 15: Construction Views

    4-1. Indoor Unit RAS-B10GKVP-E RAS-B13GKVP-E RAS-B16GKVP-E Front panel Zeolite-plus filter Knockout system 54.5 Installation plate hanging section Minimum distance to wall 140 or more 4. CONSTRUCTION VIEWS Plasma pure filter Indoor heat exchanger Air filter Air ionizer Installation plate hanging section Drain hose (Outside length:0.54m) Connecting pipe...

  • Page 16: Outdoor Unit

    2-Ø11x14 long hole Outlet (for Ø8-Ø10 anchor bolt) – 16 – Ø11-14U-shape hole (for Ø8-Ø10 anchor bolt) Connecting pipe port Pipe dia. Ø9.52:RAS-10GAVP-E, RAS-13GAVP-E Ø12.7:RAS-16GAVP-E Connecting pipe port (Pipe dia. Ø6.35) 8-Ø7 hole (for fixing outdoor unit) Ø11x14 long hole (for Ø8-Ø10 anchor bolt)

  • Page 17: Wiring Diagram

    5-1. Outdoor Unit RAS-10GAVP-E, RAS-13GAVP-E, RAS-16GAVP-E 5-2. Indoor Unit RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 CN33 CN01 (WHI) (BLU) HEAT EXCHANGER SENSOR (TC) CN03 (WHI) THERMO SENSOR...

  • Page 18: Specifications Of Electrical Parts

    Parts name Fan motor (for indoor) Room temp. sensor (TA-sensor) Heat exchanger temp. sensor (TC-sensor) Louver motor 6-2. Outdoor Unit RAS-10GAVP-E, RAS-13GAVP-E, RAS-16GAVP-E Parts name Reactor Outside fan motor Suction temp. sensor (TS sensor) Discharge temp. sensor (TD sensor) Outside air temp. sensor (TO sensor) Heat exchanger temp.

  • Page 19: Refrigerant Cycle Diagram

    7. REFRIGERANT CYCLE DIAGRAM 7-1. Refrigerant Cycle Diagram RAS-B10GKVP-E/RAS-10GAVP-E Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia. : 9.52mm Thickness : 0.8mm 4-way valve (STF-0108Z) Temp. measurement NOTE : • The maximum pipe length of this air conditioner is 25 m. When the pipe length exceeds 15m, the additional charging of refrigerant, 20g per 1m for the part of pipe exceeded 15m is required.
  • Page 20 RAS-B13GKVP-E/RAS-13GAVP-E, RAS-B16GKVP-E/RAS-16GAVP-E Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia. : 9.52mm(13), 12.7mm(16) Thickness : 0.8mm 4-way valve (STF-0108Z) Temp. measurement NOTE : • The maximum pipe length of this air conditioner is 25 m. When the pipe length exceeds 15m, the additional charging of refrigerant, 20g per 1m for the part of pipe exceeded 15m is required.

  • Page 21: Operation Data

    7-2. Operation Data <Cooling> Temperature condition (°C) Model name RAS- Indoor Outdoor B10GKVP-E 27/19 35/– B13GKVP-E B16GKVP-E <Heating> Temperature condition (°C) Model name RAS- Indoor Outdoor B10GKVP-E 20/– B13GKVP-E B16GKVP-E NOTES : 1. Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent. (Thermistor themometer) 2.

  • Page 22: Control Block Diagram

    8-1. Indoor Unit RAS-B10GKVP-E, RAS-B13GKVP-E, RAS-B16GKVP-E Heat Exchanger Sensor (Tc) Room Temperature Sensor (Ta) Infrared Rays Signal Receiver and Indication Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Converter (D.C circuit) Noise Filter From Outdoor Unit 220-240V 50Hz 220V 60Hz REMOTE CONTROLLER 8.
  • Page 23 For INDOOR UNIT 220–240 V 50Hz 220 V 60Hz Indoor unit send/receive circuit • PWM synthesis function • Input current release control • IGBT over-current detect control Discharge temp. sensor • Outdoor fan control • High power factor correction control Outdoor air •...

  • Page 24: Operation Description

    9-1. Outline of Air Conditioner Control This air conditioner is a capacity-variable type air conditioner, which uses DC motor for the indoor fan motor and the outdoor fan motor. And the capacity- proportional control compressor which can change the motor speed in the range from 13 to 115 rps is mounted.
  • Page 25 9-2. Operation Description 9-2. 1. Basic operation ... 26 1. Operation control ... 26 2. Cooling/Heating operation ... 27 3. AUTO operation ... 27 4. DRY operation ... 27 2. Indoor fan motor control ... 28 3. Outdoor fan motor control... 30 4.

  • Page 26: Basic Operation

    Item Operation flow and applicable data, etc. 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. 2) A signal is sent by ON button of the remote controller.

  • Page 27: Cooling/Heating Operation

    Item Operation flow and applicable data, etc. 1. Basic 2. Cooling/Heating operation operation The operations are performed in the following parts by controls according to cooling/heating conditions. 1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit.

  • Page 28: Indoor Fan Motor Control

    Item Operation flow and applicable data, etc. 2. Indoor fan <In cooling operation> motor control (This operation controls the fan speed at indoor unit side.) The indoor fan (cross flow fan) is operated by the phase- control induction motor. The fan rotates in 5 stages in MANUAL mode, and in 5 stages in AUTO mode, respec- tively.
  • Page 29 Item Operation flow and applicable data, etc. 2. Indoor fan <In heating operation> motor control HEAT ON Fan speed setup AUTO TC ≥ 42˚C * Fan speed = (TC – (Fig. 4) Basic fan control [ ˚C ] –0.5 –1.0 –1.5 –2.0 –2.5...

  • Page 30: Outdoor Fan Motor Control

    Item Operation flow and applicable data, etc. 3. Outdoor fan The blowing air volume at the outdoor unit side is controlled. motor control Receiving the operation command from the controller of indoor unit, the controller of outdoor unit controls fan speed. * For the fan motor, a DC motor with non-stage variable speed system is used.

  • Page 31: Capacity Control

    Item Operation flow and applicable data, etc. 4. Capacity The cooling or heating capacity depending on the load is control adjusted. According to difference between the setup value of tempera- ture and the room temperature, the capacity is adjusted by the compressor revolution.

  • Page 32: Release Protective Control By Temperature Of Indoor Heat Exchanger

    Item Operation flow and applicable data, etc. 6. Release protective <In cooling/dry operation> control by tempera- (Prevent-freezing control for indoor heat exchanger) ture of indoor heat In cooling/dry operation, the sensor of indoor heat exchanger exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value.

  • Page 33: Quick Heating Control

    Item Operation flow and applicable data, etc. 7. Quick heating This function quickens the starting of heating opera- control tion when indoor/outdoor temperature is low. (Available only in heating operation) When indoor temperature is low, this function stores the heat by heating winding depended on the outdoor temperature and then it enables the hot air blowing out quickly.

  • Page 34: Louver Control

    Item Operation flow and applicable data, etc. 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). position • The set louver position is stored in memory by the microcomputer, and the louver returns to the stored position when the next operation is performed.

  • Page 35: Eco Operation

    Item Operation flow and applicable data, etc. 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. <Cooling operation> This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure.

  • Page 36: Temporary Operation

    Item Operation flow and applicable data, etc. 11. Temporary Pressing [RESET] button starts the temporary opera- operation tion of [AUTO] operation. When keeping [RESET] button pressed for 10 seconds or more, the temporary [COOL] operation is performed. Filter lamp ON Did you press [RESET] button for 3 seconds or more? Did you press [RESET] button...

  • Page 37: Air Purifying Control [Detection Of Abnormality]

    Item Operation flow and applicable data, etc. 12. Air purifying control [Detection of abnormality] Purifying operation Total operation time 1000H Purifier power ON Error input Purifier power ON 1 minute or less Filter lamp ON Purifier power OFF Filter lamp ON Purifier power OFF 1) Reset by RESET button.

  • Page 38: Pulse Motor Valve (P .M.v.) Control

    Item Operation flow and applicable data, etc. 14. Pulse motor This function controls throttle amount of the valve (P.M.V.) refrigerant in the refrigerating cycle. control According to operating status of the air conditioner, this function also controls the open degree of valve with an expansion valve with pulse motor.

  • Page 39: Clean Operation

    Item Operation flow and applicable data, etc. 15. Clean operation Unit now performing cooling or dry operation Press “STOP” button Only S.CLEAN indicator lights, and clean operation starts Time set now elapses Operation stops • During clean operations: The louver opens slightly.

  • Page 40: Clean Operation Release

    Item Operation flow and applicable data, etc. 16. Clean operation Setting the clean operation release release Add J04 of the indoor P.C. board assembly. * This cancels the auto restart function. Hold down the auto operation switch on the indoor unit for at least 3 seconds but not more than 10 seconds.

  • Page 41: Select Switch On Remote Controller

    Item Operation flow and applicable data, etc. 17. Select switch on remote controller Press the operation button on the remote controller. Both indoor units start operation. Unnecessary set [Remote controller select] HiPOWER MEMO 1 . 3 . 5 . 9H SWING SLEEP CLOCK...

  • Page 42: Auto Restart Function

    9-3. Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down. The operation will resume without warning three minutes after power is restored. This function is not set to work when shipped from the factory.

  • Page 43: How To Cancel The Auto Restart Function

    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 44: Remote Controller And Its Fuctions

    9-5. Remote Controller and Its Fuctions 9-5-1. Parts Name of Remote Controller Infrared signal emitter Transmits signal to the indoor unit. button Press the button to start operation. (A receiving beep is heard.) Press the button again to stop operation. (A receiving beep is heard.) If no receiving sound is heard from the indoor unit, press the button twice.

  • Page 45: Name And Functions Of Indications On Remote Controller

    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 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit. Mode indicator Indicates the current operation mode.

  • Page 46: Hi-Power Mode

    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. 1.

  • Page 47: Installation Procedure

    10. INSTALLATION PROCEDURE 10-1. Safety Cautions 140 mm or more 5 Zeolite-plus filter Air filters 2 Wireless remote controller 100 mm or more from wall 4 Remote controller holder (Mounting holes on both left and right sides) 200 mm or more 8 Remote controller holder mounting screw When installing the outdoor unit,...
  • Page 48 12.7 mm Suction side Drain hole Diffuser Part No. Part name (Q’ty) ‰ Drain nipple* × 1 (RAS-10GAVP-E, 13GAVP-E, 16GAVP-E) Š Water-proof rubber cap* × 2 (RAS-10GAVP-E, 13GAVP-E, 16GAVP-E) Parts marked with asterisk (*) are packaged with the outdoor unit.
  • Page 49 10-2-3. Installation/Servicing Tools Changes in the product and components In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) •...

  • Page 50: Indoor Unit

    10-3. Indoor Unit 10-3-1. Installation Place • A place which provides enough spaces around the indoor unit as shown in the diagram. • A place where there are no obstacle near the air inlet and outlet. • A place which allows easy installation of the piping to the outdoor unit.
  • Page 51 When the installation plate is directly mounted on the wall 1. Securely fit the installation plate onto the wall by screws with the upper and lower catches, that hold the indoor unit, facing out. 2. To mount the installation plate on a concrete wall use anchor bolts.
  • Page 52 CAUTION • Be sure to refer to the wiring system diagram labeled inside the front panel. • Check local electrical regulations for any specific wiring instructions or limitations. Screw Terminal block Earth wire Connecting cable Fig. 10-3-6 Terminal block Fig. 10-3-7 Connecting cable About 15 cm Fig.
  • Page 53 How to attach the drain cap 1. Insert hexagonal wrench (4 mm). 4 mm Fig. 10-3-13 2. Firmly insert drain cap. No gap Do not apply lubricating oil (refrigerant machine oil) when inserting the drain cap. If applied, deterioration and drain leakage of the drain Insert a hexagon plug may occur.
  • Page 54 CAUTION • Bind the auxiliary pipes (two) and connecting cable with facing tape tightly. In case of leftward piping and rear-leftward piping, bind the auxiliary pipes (two) only with facing tape. Indoor unit Auxiliary pipes Installation plate Fig. 10-3-18 • Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit.
  • Page 55 10-4. Outdoor Unit 10-4-1. Installation Place • A place which provides enough space around the outdoor unit as shown in the diagram. • A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration.
  • Page 56 10-4-2. Draining the Water • Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently. If a centralized drain is required when installing the unit on a balcony or wall, follow the steps below to drain off the water.
  • Page 57 Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers. Then tighten the nut with a wrench and torque wrench as shown in the figure. Half union Externally threaded side Use a wrench to secure.
  • Page 58 Packed Valve handling precautions • Open the valve stem all the way; but do not try to open it beyond the stopper. • Securely tighten the valve stem cap with torque in the following table: Gas side (Ø12.7 mm) 50 to 62 N•m (5.0 to 6.2 kgf•m) Gas side (Ø9.52 mm) 33 to 42 N•m (3.3 to 4.2 kgf•m) Liquid side (Ø6.35 mm)

  • Page 59: Test Operation

    10-5. Test Operation 10-5-1. Gas Leak Test • Check the flare nut connections for gas leaks with a gas leak detector and/or soapy water. Valve cover Check places for flare nut connections (indoor unit) Electric parts Check places for outdoor unit Fig.

  • Page 60: How To Diagnose The Trouble

    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.) Troubleshooting Procedure First Confirmation...
  • Page 61 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 62: First Confirmation

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

  • Page 63: Primary Judgment

    11-2. Primary Judgment To diagnose the troubles, use the following methods. 1) Judgment by flashing LED of indoor unit 2) Self-diagnosis by service check remote controller 3) Judgment of trouble by every symptom Firstly use the method 1) for diagnosis. Then, use the method 2) or 3) to diagnose the details of troubles. 11-3.
  • Page 64 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 65 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. However, the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory.
  • Page 66 Block distinction Check Check Block code code Outdoor P.C. Inverter over-current board protective circuit operates. (Short time) Position-detect circuit error or short-circuit between windings of compressor Current-detect circuit error Being out of place, disconnection or short- circuit of the outdoor heat exchanger sensor (TE) or suction temp.

  • Page 67: Judgment Of Trouble By Every Symptom

    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 68 (3) Only the indoor motor fan does not operate <Primary check> 1. Is it possible to detect the power supply voltage (AC220–240V) between 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.) Turn off power supply once, and...
  • Page 69 (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. If the P .C. board is soldered imperfectly or the IC is defective, the fan motor may automatically rotate by turning on power supply.
  • Page 70 (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. Is receiver on indoor unit exposed to direct sunlight? Is there any thyristor fluorescent light nearby?
  • Page 71 11-5-2. Wiring Failure (Interconnecting and Serial Signal Wire) (1) Outdoor unit does not operate 1) Is the voltage between Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow- ing diagram. NOTE: • Measurement should be performed 2 minutes and 30 seconds after starting of the operation. •...
  • Page 72 11-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure> Gas leakage, disconnection of TS/TC sensors (Check code 02, 1C) Valve drive check Is coil of the pulse motor valve (P.M.V.) correctly set? Is connecter of coil connected to inverter? Is positioning sound of valve (sound hitting to stopper) heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once?

  • Page 73: Troubleshooting

    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? Turn off the power breaker and remove CN34 (Micro switch connector). Short-circuit between of CN34 at PC side, and turn on the power breaker after 10 seconds.
  • Page 74 11-7-2. 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? Turn off the power breaker and remove CN34 (Micro switch connector). Short-circuit between of CN34 at PC side, and turn on the power breaker after 10 seconds.

  • Page 75: How To Diagnose Trouble In Outdoor Unit

    11-8. How to Diagnose Trouble in Outdoor Unit 11-8-1. Summarized Inner Diagnosis of Inverter Assembly Diagnosis/Process flowchart Remove connector of compressor. Check 25A fuse (Part No.F01). Replace fuse. Check electrolytic capacitor, diode block (DB01), etc. Check terminal voltage of electrolytic capacitor.

  • Page 76: How To Check Simply The Main Parts

    Diagnosis/Process flowchart Replace control board assembly. Check compressor winding resistance. Replace Replace control board. compressor. 11-9. How to Check Simply the Main Parts 11-9-1. How to Check the P.C. Board (Indoor Unit) (1) Operating precautions 1) When removing the front panel or the P .C. board, be sure to shut off the power supply breaker. 2) When removing the P .C.
  • Page 77 (3) Check procedures Procedure Turn off the power supply breaker and remove the P.C. board assembly from electronic parts base. Remove the connecting cables from the terminal block. Remove the connector of the motor and turn on the power supply breaker. If OPERATION indicator flashes (once per second), it is not necessary to check steps (1 to 3) in the right...
  • Page 78 11-9-2. P.C. Board Layout [1] Sensor characteristic table TA, TC, TO, TE, TS Temperature (˚C) – 78 – 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 79 11-9-3. Indoor Unit (Other Parts) Part name Room temp. (TA) sensor Heat exchanger (TC) sensor Remote controller Louver motor MP24Z Indoor fan motor 11-9-4. Outdoor Unit Part name Compressor (Model : DA111A1F-20F1) Outdoor fan motor (Model : ICF-140-43-4R) 4-way valve coil (Model : VHV) Pulse motor valve coil (Model : CAM-MD12TF-6)
  • Page 80 11-9-5. Checking Method for Each Part Part name Electrolytic capacitor (For boost, smoothing) Diode block Checking procedure 1. Turn OFF the power supply breaker. 2. Discharge all three capacitors completely. 3. Check that safety valve at the bottom of capacitor is not broken. 4.

  • Page 81: How To Simply Judge Whether Outdoor Fan Motor Is Good Or Bad

    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. • Outdoor fan motor rotates or does not rotate according to the position where the fan stopped, etc. Remote controller check code “02 : Outdoor block, 1A : Outdoor fan drive system error”...

  • Page 82: How To Replace The Main Parts

    12. HOW TO REPLACE THE MAIN PARTS • Since high voltages pass through the electrical parts, turn off the power without fail before proceeding with the repairs. Electric shocks may occur if the power plug is not disconnected. • After the repairs have been completed (after the front panel and cabinet have been installed), perform a test run, and check for smoking, unusual sounds and other abnormalities.
  • Page 83 Part name  Front panel 4) Press “ and remove hooks of the front panel from the installation plate. 5) Remove the front panel fixing screws. (2 pcs.) 6) Press the electric parts box with the right thumb while pulling the both sides of the front panel toward you.
  • Page 84 Part name ‚ 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 and right claws. Disconnect the two leads (black) connected to the air ionizer from where they are fitted into the other components.
  • Page 85 Part name ƒ Electric parts 1) Follow the procedure up to 4) in box assembly 2) Remove screw of earth lead attached to the end plate of the evaporator. 3) Remove the lead wire cover, and remove connector (5P) for the fan motor and connec- tor (5P) for the louver motor from the electric parts box assembly.
  • Page 86 Part name „ Horizontal louver 1) Remove shaft of the horizontal louver from the back body. (First remove the left shaft, and then remove other shafts while sliding the horizontal louver leftward.) … Evaporator 1) Follow to the procedure in the item (Heat exchanger) 2) Remove the pipe holder from the rear side of the main unit.
  • Page 87 Part name † 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 remove the two screws used to secure the bearing base. 3) Raise the left side of the heat exchanger slightly, and remove the bearing base.
  • Page 88 Part name ‡ 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). 4) Pull the fan motor outward.
  • Page 89 Part name ˆ 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.) 2) To incorporate the fan motor, remove the fan motor rubber (at shaft core side), incorporate the motor into the position in the following figure, and then install the fan motor.
  • Page 90 12-2. Microcomputer Part name  Common procedure 1) Turn the power supply off to stop the 2) Remove the front panel. 3) Remove the electrical part base. <P.C. board layout> L01 C01 CN23 FUSE DB01 Procedure operation of air-conditioner. • Remove the 2 fixing screws. IC01 –...
  • Page 91 12-3. Outdoor Unit Part name  Common 1. Detachment procedure Wear gloves for this job. 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 92 Part name ‚ 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 × 8L 3 pcs.) used to secure the front cabinet at the bottom, and the fixing screws (ST1TØ4 ×...
  • Page 93 Part name ƒ Inverter 1) Perform work of item 1 in assembly 2) Remove screw (ST1TØ4 × 8L 2 pcs.) of the upper part of the front cabinet. • If removing the inverter cover in this condition, P .C. board can be checked. •...
  • Page 94 Part name „ Control board 1. Disconnect the leads and connectors connected to assembly the other parts from the control board assembly. 1) Leads • 3 leads (black, white, orange) connected to terminal block. • Lead connected to compressor : Disconnect the connector (3P).
  • Page 95 Part name … Side cabinet 1. Side cabinet (right) 1) Perform step 1 in ƒ 2) Remove the fixing screw (ST1TØ4 × 8L 5 pcs.) used for securing the side cabinet to the bottom plate and valve fixing panel. 2. Side cabinet (left) 1) Perform step 1 in 2) Remove the fixing screw (ST1TØ4 ×...
  • Page 96 Part name ‡ 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 from the terminal.
  • Page 97 Part name ‰ Electronic 1. Detachment expansion valve 1) Perform step 1 in coil and 1 in 2) Remove the coil by pulling it up from the electronic control valve body. 2. Attachment 1) When assembling the coil into the valve body, ensure that the coil anti-turn lock is installed properly in the pipe.
  • Page 98 Part name TE sensor (outdoor heat exchanging temperature sensor) • Attachment With the leads pointing downward and the sensor leads pointing in the direction shown in the figure, install the sensor onto the straight pipe part of the condenser output pipe. Detail C for 10GAVP-E TS sensor (Suction pipe temperature sensor) •...
  • Page 99 Part name Replacement of 1) Cut the sensor 100 mm longer than old temperature sensor one. for servicing only 2) Cut the protective tube after pulling out it (200 mm). Common service 3) Move the protective tube toward the parts of sensor TO, thermal sensor side and tear the tip of TS, TE, TD lead wire in two then strip the covering...
  • Page 100 MCC-5009 – 100 –...

  • Page 101: Exploded Views And Parts List

    13. EXPLODED VIEWS AND PARTS LIST 13-1. Indoor Unit (1) 221, 222, 224 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 Description 43005633 Panel Ass’y, Front 43005610 Grille, Air Inlet...
  • Page 102 Indoor Unit (2) 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 Description 4306A123 Terminal Block, 2P 43062263 Cover, E-Parts 43050425 Sensor, TC (F6) 43050426 Sensor, TA 4306S728...
  • Page 103 13-2. Outdoor Unit 11, 12 13, 16, 19, 22 28, 29 30, 31 14, 15, 17, 18, 20 21, 23, 24, 25, 26 – 103 –...
  • Page 104 Nut, Flange 43039392 Base, Motor Ass’y 43004233 Plate, Partition 4301V064 Plate, Fix, Valve, Packed 43032441 Nipple, Drain 43089160 Cap, Waterproof 4301P703 Mark, TOSHIBA 4301P702 Mark, DAISEIKAI 43049749 Rubber, Cushion 43062176 Sleeve, Flag 43063321 Holder, Sensor (TD) 43063322 Holder, Sensor (TS) 43063325...
  • Page 105 13-3. P.C. Board Layout 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 Description 43050422 Sensor, TE 43050423 Sensor, TS 43050427 Sensor, TO 43062228 Base, P .C.

  • Page 106: Cord Heater Installation Work

    Cord Heater Installation Work Applicable Models: RAS-10GAVP-E, RAS-13GAVP-E, RAS-16GAVP-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 107 Appendix Part name Q’ty Power cord 2-cores x 0.75mm² or more, H05RN-F Thermostat Material: SGCC-Z08, Board thickness: 0.8t fixing plate PVC tube Inside diameter Ø8 x outside diameter Ø11 x 70 mm Shield tube Inside diameter Ø18 x outside diameter Ø26 x 70 mm Material: Polyethylene foam Bundling tie Bundling tie for securing the wires...
  • Page 108 3. Cord heater installation wiring diagram Fuse * Be sure to connect the fuse and the thermostat to LIVE side of the cord heater. Outdoor unit Earth leakage circuit breaker Earth leakage circuit breaker NOTE: Separate the cord heater power from the air conditioner power, and connect it to its exclusive breaker. By doing so, the power consumption can be decreased because the breaker can be turned off if there is no possibility of freezing of the base plate in cooling operation, etc.
  • Page 109 Appendix 4. Cord heater installation work procedure Photo / Explanatory diagram 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. Side cabinet (L) Inverter assembly Remove the upper cabinet and the valve cover.
  • Page 110 Photo / Explanatory diagram Valve fixing plate Remove the motor base assembly, partition plate assembly Motor base and the sound insulation board. assembly Related parts / Screws list Partition plate assembly Part name Motor base assembly (Including motor and fan) Partition plate assembly Sound (Including reactor)
  • Page 111 Appendix Photo / Explanatory diagram 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. Connect the cord heater cables. Using a motor drill, etc., drill Ø3.2 holes on the outdoor unit base plate. (12 positions) See Appendix-10 for the additional hole positions.
  • Page 112 Photo / Explanatory diagram Side cabinet (L) Close-end connector Thermostat insulation tape Thermostat fixing plate P-shape clamp Rework the side cabinet (L) to remove part of it. The area to be removed is indicated by the shaded lines in the left figure. After removing part of the side cabinet (L), deburr the edges of the side cabinet (L).
  • Page 113 Appendix Photo / Explanatory diagram 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 114 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 Appendix...
  • Page 115 Appendix 6. Diagram showing positions 3.2 mm holes to be additionally drilled in base plate Appendix-10...
  • Page 116 This product is compliant with Directive 2002/95/EC, and cannot be disposed as unsorted municipal waste. Copyright © 1999 to 2005 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved.

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