Toshiba RAS-07PKVP-E Service Manual

Toshiba RAS-07PKVP-E Service Manual

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AIR-CONDITIONER (SPLIT TYPE)

SERVICE MANUAL

Model name:
Indoor Unit
<High Wall, Heat Pump Type>
(Standard Type)
RAS-07PKVP-E
RAS-10PKVP-E
RAS-13PKVP-E
RAS-16PKVP-E
RAS-18PKVP-E
(North Europe Type)
RAS-07PKVP-ND
RAS-10PKVP-ND
RAS-13PKVP-ND
RAS-16PKVP-ND
RAS-18PKVP-ND
Outdoor Unit
<Heat Pump Type>
(Standard Type)
RAS-07PAVP-E
RAS-10PAVP-E
RAS-13PAVP-E
RAS-16PAVP-E
RAS-18PAVP-E
(North Europe Type)
RAS-07PAVP-ND
RAS-10PAVP-ND
RAS-13PAVP-ND
RAS-16PAVP-ND
RAS-18PAVP-ND
FILE NO. A08-010

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Summary of Contents for Toshiba RAS-07PKVP-E

  • Page 1: Service Manual

    FILE NO. A08-010 AIR-CONDITIONER (SPLIT TYPE) SERVICE MANUAL Model name: Indoor Unit Outdoor Unit <High Wall, Heat Pump Type> <Heat Pump Type> (Standard Type) (Standard Type) RAS-07PKVP-E RAS-07PAVP-E RAS-10PKVP-E RAS-10PAVP-E RAS-13PKVP-E RAS-13PAVP-E RAS-16PKVP-E RAS-16PAVP-E RAS-18PKVP-E RAS-18PAVP-E (North Europe Type) (North Europe Type)
  • Page 2: Table Of Contents

    Service Manual High Wall, Heat Pump Type Contents SAFETY PRECAUTIONS ..........5 1 SPECIFICATIONS.
  • Page 3 Service Manual High Wall, Heat Pump Type 8-10-1. Cooling Operation ............42 8-10-2.
  • Page 4 Service Manual High Wall, Heat Pump Type 8-22-1. Parts Name of Remote Controller ......... . . 54 8-22-2.
  • Page 5: Safety Precautions

    Service Manual High Wall, Heat Pump Type SAFETY PRECAUTIONS The important contents concerned to the safety are described on the product itself and on this Service Manual. Please read this Service Manual after understanding the described items thoroughly in the following contents (Indications/Illustrated marks), and keep them.
  • Page 6 Service Manual High Wall, Heat Pump Type CAUTION TO DISCONNECT THE APPLIANCE FROM THE MAIN POWER SUPPLY A switch or circuit breaker that can disconnect all poles must be included in the fixed wiring. Be sure to use an approved circuit breaker or switch. DANGER •...
  • Page 7 Service Manual High Wall, Heat Pump Type CAUTION • Exposure of unit to water or other moisture before installation may result in an electrical short. Do not store in a wet basement or expose to rain or water. • Do not install in a place that can increase the vibration of the unit. Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors.
  • Page 8: Specifications

    Service Manual High Wall, Heat Pump Type SPECIFICATIONS 1-1. Specifications RAS-07PKVP-E/RAS-10PKVP-E/RAS-13PKVP-E, RAS-07PAVP-E/RAS-10PAVP-E/RAS-13PAVP-E RAS-07PKVP-ND/RAS-10PKVP-ND/RAS-13PKVP-ND, RAS-07PAVP-ND/RAS-10PAVP-ND/ RAS-13PAVP-ND Indoor RAS-07PKVP-E(-ND) RAS-10PKVP-E(-ND) RAS-13PKVP-E(-ND) Unit model Outdoor RAS-07PAVP-E(-ND) RAS-10PAVP-E(-ND) RAS-13PAVP-E(-ND) Cooling capacity (kW) Cooling capacity range (kW) 0.3-3.0 0.3-3.5 0.3-4.5 Heating capacity (kW) Heating capacity range (kW) 0.3-5.0...
  • Page 9 Service Manual High Wall, Heat Pump Type RAS-16PKVP-E/RAS-18PKVP-E, RAS-16PAVP-E/RAS-18PAVP-E RAS-16PKVP-ND/RAS-18PKVP-ND, RAS-16PAVP-ND/RAS-18PAVP-ND Indoor RAS-16PKVP-E(-ND) RAS-18PKVP-E(-ND) Unit model Outdoor RAS-16PAVP-E(-ND) RAS-18PAVP-E(-ND) Cooling capacity (kW) Cooling capacity range (kW) 0.3-5.0 0.3-5.5 Heating capacity (kW) Heating capacity range (kW) 0.3-6.5 0.3-6.7 Power supply 1 Ph/50Hz/220–240 V, 1 Ph/60Hz/220-230 V Operation mode Cooling Heating...
  • Page 10: Table

    Service Manual High Wall, Heat Pump Type 1-2. Operation Characteristic Curve RAS-07PKVP-E(-ND) Cooling Heating Conditions Conditions Indoor: DB27°C/WB19°C Indoor: DB20°C Outdoor: DB35°C Outdoor: DB7°C/WB6°C Airflow: High Airflow: High Pipe length: 5m Pipe length: 5m 220V 230V 240V 220V 230V 2 cylinder...
  • Page 11 Service Manual High Wall, Heat Pump Type RAS-16PKVP-E(-ND) Cooling Heating Conditions Conditions 220V Indoor: DB27°C/WB19°C Indoor: DB20°C 230V Outdoor: DB35°C Outdoor: DB7°C/WB6°C 220V 240V Airflow: High Airflow: High 230V Pipe length: 5m Pipe length: 5m 240V 2 cylinder 2 cylinder operation operation 220V...
  • Page 12 Service Manual High Wall, Heat Pump Type 1-3. Capacity Variation Ratio According to Temperature RAS-07PKVP-E(-ND), RAS-10PKVP-E(-ND), RAS-13PKVP-E(-ND) Cooling Heating Conditions Indoor: DB20°C Indoor air flow: High Pipe length: 5m Conditions Indoor: DB27°C/WB19°C Indoor air flow: High Pipe length: 5m Outdoor temperature (°C) Outdoor temperature (°C)
  • Page 13: Refrigerant R410A

    Service Manual High Wall, Heat Pump Type 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 refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time.
  • Page 14: Refrigerant Piping Installation

    Service Manual High Wall, Heat Pump Type 2-2. Refrigerant Piping Installation 2-2-1. Piping Materials and Joints Used For the refrigerant piping installation, copper pipes and joints are mainly used. Copper pipes and joints suitable for the refrigerant must be chosen and installed. Furthermore, it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants.
  • Page 15 Service Manual High Wall, Heat Pump Type Flare processing procedures and precautions 1) Cutting the Pipe By means of a pipe cutter, slowly cut the pipe so that it is not deformed. 2) Removing Burrs and Chips If the flared section has chips or burrs, refrigerant leakage may occur. Carefully remove all burrs and clean the cut surface before installation.
  • Page 16 Service Manual High Wall, Heat Pump Type Table 2-2-6 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 19.4 19.0 16.0 19.05 23.3...
  • Page 17: Required Tools

    Service Manual High Wall, Heat Pump Type 2-3. Tools 2-3-1. 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 18 Service Manual High Wall, Heat Pump Type 2-4. Recharging Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s...
  • Page 19 Service Manual High Wall, Heat Pump Type NOTE NOTE • Be sure to make setting so that liquid can be R410A refrigerant is HFC mixed refrigerant. charged. Therefore, if it is charged with gas, the composition of the charged refrigerant changes and the •...
  • Page 20: Brazing Of Pipes

    Service Manual High Wall, Heat Pump Type 2-5. Brazing of Pipes Types of flux • Non corrosive flux 2-5-1. Materials for Brazing Generally, it is a compound of borax and boric acid. It is effective in case where the brazing temperature is higher than 800°C.
  • Page 21 Service Manual High Wall, Heat Pump Type Brazing method to prevent oxidation 1) Attach a reducing valve and a flow-meter to the Nitrogen gas cylinder. 2) Use a copper pipe to direct the piping material, and attach a flow-meter to the cylinder. 3) Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the...
  • Page 22: Construction Views

    Service Manual High Wall, Heat Pump Type CONSTRUCTION VIEWS 3-1. Indoor Unit RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND (At the time of operation) 296.2 Moving panel Plasma ion charger Front panel (At the time of a stop)
  • Page 23: Outdoor Unit

    Service Manual High Wall, Heat Pump Type 3-2. Outdoor Unit RAS-07PAVP-E, RAS-10PAVP-E RAS-07PAVP-ND, RAS-10PAVP-ND dia.11-14 U-shape hole (For dia.8-10 anchor bolt) [A] leg part Dia.11 ×14 long hole 8-dia.7 hole (For dia.8-10 anchor bolt) (For fixing outdoor unit) [B] leg part 69.5 Fan guard Packed valve cover...
  • Page 24 Service Manual High Wall, Heat Pump Type RAS-13PAVP-E, RAS-16PAVP-E, RAS-18PAVP-E RAS-13PAVP-ND, RAS-16PAVP-ND, RAS-18PAVP-ND dia.11-14U-shape hole (For dia.8-10 anchor bolt) [A] leg part dia. 1x14 long hole 8-dia.7 hole (For dia.8-10 anchor bolt) (For fixing outdoor unit) [B] leg part 69.5 Fan guard Packed valve cover Connecting pipe port...
  • Page 25: Wiring Diagram

    Service Manual High Wall, Heat Pump Type WIRING DIAGRAM RAS-07PAVP-E, RAS-10PAVP-E, RAS-13PAVP-E, RAS-16PAVP-E, RAS-18PAVP-E RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PAVP-ND, RAS-10PAVP-ND, RAS-13PAVP-ND, RAS-16PAVP-ND, RAS-18PAVP-ND RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND PULSE MOTOR FAN MOTOR VALVE 4WAY VALVE COIL FOR SWITCHING COOLING...
  • Page 26: Specifications Of Electrical Parts

    Service Manual High Wall, Heat Pump Type SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Indoor Unit RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND Parts name Type Specifications E:ICF-340-30-4 Fan motor (for Indoor Unit) DC280–340V, 30W ND:ICF-340-30-4A Room temp. sensor (TA-sensor) ( –...
  • Page 27: Refrigerant Cycle Diagram

    Service Manual High Wall, Heat Pump Type REFRIGERANT CYCLE DIAGRAM 6-1. Refrigerant Cycle Diagram INDOOR UNIT Indoor heat Temp. measurement exchanger Pressure measurement Gauge attaching port Vacuum pump connecting port Cross flow fan Max. : 20m Min. : 2m Chargeless : 15m Deoxidized copper pipe Deoxidized copper pipe Charge : 20g/m...
  • Page 28: Operation Data

    Service Manual High Wall, Heat Pump Type 6-2. Operation Data Cooling Temperature Heat exchanger Standard Compressor Model name Indoor Outdoor condition (°C) pipe temp. pressure revolution RAS- fan mode fan mode P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 07PKVP-E 1.0 to 1.2 14 to 16...
  • Page 29: Control Block Diagram

    Service Manual High Wall, Heat Pump Type CONTROL BLOCK DIAGRAM 7-1. Indoor Unit RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND Humidity Sensor Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (TCj) Louver Functions Motor • Cold draft preventing Function Heat Exchanger Sensor (TC) •...
  • Page 30: Outdoor Unit (Inverter Assembly)

    Service Manual High Wall, Heat Pump Type 7-2. Outdoor Unit (Inverter Assembly) RAS-07PAVP-E, RAS-10PAVP-E, RAS-13PAVP-E, RAS-16PAVP-E, RAS-18PAVP-E RAS-07PAVP-ND, RAS-10PAVP-ND, RAS-13PAVP-ND, RAS-16PAVP-ND, RAS-18PAVP-ND...
  • Page 31: Operation Description

    Service Manual High Wall, Heat Pump Type OPERATION DESCRIPTION 8-1. Outline of Air • Judgment of inlet indoor heat exchanger temperature by using heat exchanger sensor (TCj Conditioner Control sensor)(Super heat control etc.) • Judgment of suction air humidity of the indoor heat This air conditioner is a capacity-variable type air exchanger by using humidity sensor.
  • Page 32: Contents Of Operation Command Signal (Serial Signal)

    Service Manual High Wall, Heat Pump Type 8-1-3. Contents of Operation 8-2. Basic Operation Command Signal (Serial 8-2-1. Operation Control Signal) Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are From indoor unit controller to outdoor unit controlled.
  • Page 33: Cooling/Heating Operation

    Service Manual High Wall, Heat Pump Type 8-2-2. Cooling/Heating Remote controller Operation Selection of Control contents of remote controller operation • ON/OFF (Air conditioner/Air purifier) conditions • Operation select The operations are performed in the following parts by (COOL/HEAT/AUTO/DRY) controls according to cooling/heating conditions. ON/OFF •...
  • Page 34: Dry Operation

    Service Manual High Wall, Heat Pump Type 8-3. Indoor Fan Motor 4) When AUTO operation has started within 2 hours after heating operation stopped and if the Control room temperature is 20°C or more, the fan operation is performed with ”Super Ultra LOW” 8-3-1.
  • Page 35 3) When setting the fan speed to AUTO on the Dry) remote controller, revolution of the fan motor is controlled to the fan speed level shown in Fig. RAS-07PKVP-E RAS-10PKVP-E RAS-13PKVP-E 2 and Table 8-3-1 according to the setup RAS-07PKVP-ND...
  • Page 36: In Heating Operation

    TA - Tsc Manual ≥ < Set temperature –4°C Set temperature –3.5°C [°C] L+ (W9) M(WB) –0.5 Table 8-3-2 Indoor fan air flow rate (Heating) –1.0 RAS-07PKVP-E RAS-10PKVP-E RAS-13PKVP-E –1.5 RAS-07PKVP-ND RAS-10PKVP-ND RAS-13PKVP-ND Fan speed –2.0 Air flow Air flow...
  • Page 37: Outdoor Fan Motor Control

    Service Manual High Wall, Heat Pump Type 8-4. Outdoor Fan Motor RAS-16PKVP-E RAS-18PKVP-E Control RAS-16PKVP-ND RAS-18PKVP-ND Fan speed Air flow Air flow level speed rate speed rate The blowing air volume at the outdoor unit side is (rpm) (rpm) controlled. 1310 1390 Receiving the operation command from the controller...
  • Page 38: Capacity Control

    Service Manual High Wall, Heat Pump Type 8-5. Capacity Control Outdoor fan speed (rpm) 07PAVP-E 10PAVP-E 13PAVP-E 16PAVP-E 18PAVP-E 07PAVP-ND 10PAVP-ND 13PAVP-ND 16PAVP-ND 18PAVP-ND The cooling or heating capacity depending on the load is adjusted. According to difference between the setup value of temperature and the room temperature, the capacity is adjusted by the compressor revolution.
  • Page 39: Current Release Control

    Service Manual High Wall, Heat Pump Type 8-6. Current Release 8-7. Release Protective Control control by Temperature of Indoor This function prevents troubles on the electronic parts of the compressor driving inverter. Heat Exchanger This function also controls drive circuit of the compressor speed so that electric power of the 8-7-1.
  • Page 40: In Heating Operation

    Service Manual High Wall, Heat Pump Type 8-7-2. In heating operation 8-8. Defrost Control (Only in Heating Operation) Prevent-overpressure control for refrigerating cycle This function removes frost adhered to the In heating operation, the sensor of indoor heat outdoor heat exchanger. exchanger detects condensation temperature and The temperature sensor of the outdoor heat exchanger controls the compressor speed so that temperature of...
  • Page 41: Finish Of Defrost Operation

    Service Manual High Wall, Heat Pump Type 8-8-2. Finish of Defrost 8-9. Louver Control Operation 8-9-1. Louver Position Returning conditions from defrost operation to heating This function controls the air direction of the indoor unit. operation • The position is automatically controlled according to 1) Temperature of outdoor heat exchanger rises the operation mode (COOL/HEAT).
  • Page 42: Air Direction Adjustment

    Service Manual High Wall, Heat Pump Type 8-10.SLEEP MODE Louver position in dry operation Operation Dry operation 8-10-1. Cooling Operation Compressor speed (rps) Initial setting of “Cooling storage position” TA-Tsc Louver : Directs downward (23°)*1 [°C] PKVP PKVP PKVP PKVP PKVP +6.5 +6.0...
  • Page 43: Heating Operation

    Service Manual High Wall, Heat Pump Type 8-10-2. Heating Operation 8-11.Temporary Operation When pushing [SLEEP MODE] button on the remote Pushing [RESET] button starts the temporary controller, a quiet and mild operation is performed by operation of [AUTO] operation. When keeping reducing the fan speed and the compressor speed.
  • Page 44: Air Purifying Control

    Service Manual High Wall, Heat Pump Type 8-12.Air Purifying Control [3] Air purifier operates [4] Air conditioner + Air Purifier operation 8-12-1. Purpose Operation indicator OFF PURE indicator OFF This function generates negative ion while cleaning the PURE indicator OFF Air purifier OFF air in the room.
  • Page 45: Operation

    Service Manual High Wall, Heat Pump Type 8-12-3. Operation 8-13.Discharge The sequence that PURE indicator (Orange) is turned Temperature Control on are described in the following flowchart. 1) If the air purifying error input was detected by 5 8-13-1. Purpose times or under, turn on the purifier again This function detects error on the refrigerating cycle or approx.
  • Page 46: Pulse Motor Valve (Pmv) Control

    Service Manual High Wall, Heat Pump Type 8-14.Pulse Motor Valve 8-15.Clean Operation (PMV) Control 8-15-1. Purpose This function controls throttle amount of the refrigerant The clean operation is to minimize the growth of mold, in the refrigerating cycle. bacteria etc. by running the fan and drying so as to keep the inside of the air conditioner clean.
  • Page 47: Setting The Clean Operation Cancel

    Service Manual High Wall, Heat Pump Type 8-15-4. Setting the Clean Clean operation times Operation Operation mode Operation time Clean operation time No clean operation Up to 10 minutes Cooling: performed (0 minutes) Hold down the [RESET] button on the indoor unit AUTO (Cooling) Dry 10 minutes or longer 4 hours for at least 3 seconds but not more than 10 seconds.
  • Page 48: Select Switch On Remote Controller

    Service Manual High Wall, Heat Pump Type 8-16.Select Switch on 8-16-4. Setting the Remote Controller Remote Controller 1) Slide and open the remote controller cover and 8-16-1. Purpose remove the batteries. 2) Cut the jumper wire inside the battery This operation is to operate only one indoor unit using compartment using nippers.
  • Page 49: Set Temperature Correction

    Service Manual High Wall, Heat Pump Type 8-17.Set Temperature 5) Push the button of the remote controller that was set in step 1 to stop the air conditioner. Correction (This operation will change the setting to “B”.) 6) Check that the remote controller operates the 8-17-1.
  • Page 50: Outdoor Quiet Control

    Therefore the hot air may blow out after approx. 5 Maximum number of revolution of compressor minutes. at normal time and Quiet control time RAS-07PKVP-E RAS-10PKVP-E RAS-13PKVP-E 8-19-3. Stop RAS-07PKVP-ND RAS-10PKVP-ND RAS-13PKVP-ND...
  • Page 51: Indoor Fan Control

    Service Manual High Wall, Heat Pump Type 8-19-4. Indoor Fan Control During stop During operation When 8°C HEAT operation, the indoor fan control rises up automatically. Push [8°C] button. Push [8° C] button. When the indoor fan is operated manually, it is matched with the fan tap.
  • Page 52: Compressor Speed Control

    Service Manual High Wall, Heat Pump Type 8-19-5. Compressor Speed 8-21.Auto Restart Function Control This indoor unit is equipped with an automatic restarting function which allows the unit to restart The compressor speed control is carried out according operating with the set operating conditions in the event to 8-5.Capacity Control.
  • Page 53: Cancelling The Auto Restart Function

    Service Manual High Wall, Heat Pump Type When the unit is operating When the unit is stand-by (Not operating) The green indicator is on. The unit is in operation. The unit is on standby. (Push [RESET] button (Push [RESET] button for more than 3 seconds.) for more than 3 seconds.) The unit stops operating.
  • Page 54: Remote Controller And Its Functions

    Service Manual High Wall, Heat Pump Type 8-22.Remote Controller and Auto louver button (SWING) Each time you press the SWING button, you can change Its Functions the swing mode. (A receiving beep is heard.) → → (Vertical swing Horizontal swing Vertical and →...
  • Page 55: Name And Functions Of Indications On Remote Controller

    Service Manual High Wall, Heat Pump Type 8-22-2. Name and Functions of Indications on Remote Controller Display All indications, except for the clock time indicator, are displayed by pushing the button. (MEMORY) indicator Flashes for 3 seconds when the MEMO button is pressed during operation.
  • Page 56: Hi Power Mode

    Service Manual High Wall, Heat Pump Type 8-23.Hi POWER Mode When [Hi POWER] button is pushed 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 according to the present operation mode as described below.
  • Page 57: Installation Procedure

    Service Manual High Wall, Heat Pump Type INSTALLATION PROCEDURE 9-1. Installation Diagram of Indoor and Outdoor Uunits For the rear left and left The indoor unit shall be Hook piping 70 mm or more installed so that the top of the [1] Installation indoor unit is positioned at Hook...
  • Page 58: Optional Installation Parts

    9-2-1. Optional Installation Parts Part Code Parts name Q’ty Refrigerant piping Liquid side Gas side Indoor unit name (Outer diameter) (Outer diameter) RAS-07PKVP-E, RAS-07PKVP-ND 1 ea. RAS-10PKVP-E, RAS-10PKVP-ND 6.35 mm 9.52 mm RAS-13PKVP-E, RAS-13PKVP-ND RAS-16PKVP-E, RAS-16PKVP-ND 6.35 mm 12.7 mm RAS-18PKVP-E, RAS-18PKVP-ND...
  • Page 59 Service Manual High Wall, Heat Pump Type 9-2-3. Installation/Service Tools Changes in the product and components On air conditioners using R410A, in order to prevent any other refrigerant from being accidentally charged, the service port diameter size of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) •...
  • Page 60: Installation Location

    Service Manual High Wall, Heat Pump Type 9-3. Installation of Indoor 1) Decide the installation plate mounting position on the wall. Unit 2) Mark the corresponding pipe hole wall positions according to the positioning marks ( 9-3-1. Installation Location ) on the installation plate. 3) Drill the pipe holes (Dia.
  • Page 61: Electrical Work

    Service Manual High Wall, Heat Pump Type 5) Insert the connecting cable fully into the terminal block and secure it tightly with screws. Make a loop with the earth wire under the terminal block and secure it with the earth screw.
  • Page 62 Service Manual High Wall, Heat Pump Type 4) Attach the drain cap NOTE Insert hexagonal wrench (4 mm). • Connecting cable (Indoor unit/outdoor unit) • Wire type: H07RN-F or 60245IEC66 (1.0 mm 9-3-5. Piping and Drain Hose Installation 5) Firmly insert drain cap. Piping and drain hose forming No gap Since condensation results in machine trouble, make...
  • Page 63: Indoor Unit Installation

    Service Manual High Wall, Heat Pump Type Piping on the bottom right or the bottom left CAUTION 1) After making slits on the front panel with a knife or similar tool, cut them out with a pair of • Bind the auxiliary pipes (two) and connecting cable nippers or an equivalent tool.
  • Page 64 Service Manual High Wall, Heat Pump Type • For detaching the indoor unit from the installation 3) When connecting extension drain hose, plate pull the indoor unit toward you while pushing insulate the connection part of extension drain the bottom up at the specified places. hose with shield pipe.
  • Page 65 Service Manual High Wall, Heat Pump Type 9-4. Installation of Outdoor Snow protection plate Unit Front Snow protection hood 9-4-1. Installation Location Install at least 50 cm above the snow At least • A place which provides enough space around the accumulation line.
  • Page 66: Refrigerant Piping

    Service Manual High Wall, Heat Pump Type 4) When water still leaks even after performing Projection margin in flaring: A (Unit: mm) steps 1) and 2), add caulking material, putty or Rigid (Clutch type) other sealants. Outer diameter of Conventional tool R410A tool used copper pipe used...
  • Page 67 Service Manual High Wall, Heat Pump Type 3) Open fully the low pressure side handle of the CAUTION gauge manifold valve. 4) Operate the vacuum pump to begin Do not apply excessive force. Otherwise, the nut may evacuating. Perform evacuating for about 15 break.
  • Page 68: Wiring Connection

    Earth line cover and the cord clamp from the outdoor unit. Power cord 2) Connect the connecting cable to the terminal as identified by the matching numbers on the RAS-07PKVP-E RAS-10PKVP-E RAS-13PKVP-E terminal block of indoor and outdoor unit. Model...
  • Page 69: Test Operation

    Service Manual High Wall, Heat Pump Type 9-5. Test Operation CAUTION 9-5-1. Gas Leak Test • Incorrect wiring connection may cause electrical parts to burn out. Check the flare nut connections for gas leaks with a • Be sure to comply with local regulations/codes when gas leak detector and/or soapy water.
  • Page 70 Service Manual High Wall, Heat Pump Type 9-5-4. Select Switch on Remote 9-6. Removing the Main Controller Parts • If two indoor units are installed in the same room or Normally, the front panel, moving panel, and air flow adjoining rooms, when the user tries to operate only louvres do not need to be removed.
  • Page 71 Service Manual High Wall, Heat Pump Type 9-6-2. Removing the Moving 5) Pull out the moving panel towards the left side to remove. Panel 1) 1. Open the moving panel, and support the moving panel by the panel support on the right side.
  • Page 72 Service Manual High Wall, Heat Pump Type 9-6-4. Removing the Vertical 2) Secure the horizontal air flow louvres to the connector joints. Air Flow Louver Louver fixture CAUTION Connectors The horizontal air flow louvres cannot be released from the vertical air flow louver. Air flow louver 1) Open the moving panel, and support it with the panel support.
  • Page 73: Troubleshooting

    Service Manual High Wall, Heat Pump Type TROUBLESHOOTING The pulse motor circuits are mounted to both indoor and outdoor units. Therefore, diagnose troubles according to the trouble diagnosis procedure as described below. (Refer to the check points in servicing written on the wiring diagrams attached to the indoor/outdoor units.) Table 10-1 Troubleshooting Procedure Page...
  • Page 74: Precautions When Inspecting The Control Section Of

    Service Manual High Wall, Heat Pump Type 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 75: First Confirmation

    Service Manual High Wall, Heat Pump Type 10-3.First Confirmation 10-3-1. Confirmation of Power Supply Confirm that the power breaker operates (ON) normally. 10-3-2. 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. 10-3-3.
  • Page 76: Judgment By Flashing Led Of Indoor Unit

    Service Manual High Wall, Heat Pump Type 10-5.Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the contents of self-diagnosis are displayed with block on the indoor unit indication section. Table 10-5-1 Item Check code...
  • Page 77: Self-Diagnosis By Remote Controller (Check Code)

    Service Manual High Wall, Heat Pump Type 10-6.Self-Diagnosis by Remote Controller (Check Code) • If the lamps are indicating B to E as shown on Table 10-5-1, execute the self-diagnosis by the remote controller. • When the remote controller is set to the service mode, the indoor controller diagnoses the operation condition and indicates the information of the self-diagnosis on the display of the remote controller with the check codes.
  • Page 78 Service Manual High Wall, Heat Pump Type 10-6-2. Check Code 1) After servicing, push the START/STOP button to return to the normal mode. 2) After servicing by the check code, turn off breaker of the power supply, and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status.
  • Page 79 Service Manual High Wall, Heat Pump Type Block distinction Operation of diagnosis function Judgment and action Check Check Block Cause of operation conditioner Remarks code code status Outdoor Being out of place, All off Displayed when 1) Check sensors (TE, TS). disconnection or short- error is detected.
  • Page 80: Judgment Of Trouble By Symptom

    Service Manual High Wall, Heat Pump Type 10-7.Judgment of Trouble by Symptom 10-7-1. Power of Indoor Unit Does not Turned on (Does not Operate Entirely) Primary check 1) Is the supply voltage normal? 2) Is the normal voltage provided to the outdoor unit? 3) Is the crossover cable connected properly? 4) Is the fuse (F01) blown? Operation...
  • Page 81 Service Manual High Wall, Heat Pump Type 10-7-3. Only the Indoor Motor Fan Does not Operate Primary check 1) Is it possible to detect the power supply voltage (AC220–240V) between [1] and [2] 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.) Turn off power...
  • Page 82 Service Manual High Wall, Heat Pump Type 10-7-4. Indoor Fan Motor Automatically Starts to Spin 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.
  • Page 83 Service Manual High Wall, Heat Pump Type 10-7-5. Troubleshooting for Remote Controller Primary check 1) 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. Push the START/STOP button.
  • Page 84: Outdoor Unit Does Not Operate

    Service Manual High Wall, Heat Pump Type 10-7-6. Outdoor Unit Does not Operate 1) Is the voltage between [2] and [3] of the indoor terminal block varied? 2) Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram.
  • Page 85: Check Code 1C (Miswiring In Indoor/Outdoor Units)

    Service Manual High Wall, Heat Pump Type 10-8.Check Code 1C (Miswiring in Indoor/Outdoor Units) and 1E Check procedure Gas leakage, Discharge temp. error, disconnection of TS/TC gas leakage sensors (Check code 02, 1C) (Check code 03, 1E) Valve drive check Is coil of the pulse motor valve Set it correctly.
  • Page 86: Inspection Of The Air Purifier

    Service Manual High Wall, Heat Pump Type 10-9.Inspection of the Air Purifier 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” Turn off the power breaker and remove CN401 (Micro switch connector).
  • Page 87: Diagnose Trouble In Outdoor Unit

    Service Manual High Wall, Heat Pump Type 10-10.Diagnose Trouble in Outdoor Unit Table 10-10-1 Diagnosis/Process flowchart Item Contents Summary Preparation Turn “OFF” the power supply Remove connector breaker, and remove 3P connector of compressor. which connects inverter and compressor. If fuse was blown, be sure to check the electrolytic capacitor and diode Check 25A fuse Check...
  • Page 88 Service Manual High Wall, Heat Pump Type Diagnosis/Process flowchart Item Contents Summary Check Check winding resistance between phases of compressor, and resistance between outdoor frames by using a tester. → OK if 10MΩ or more • Is not grounded. → OK if 1.24Ω 1.37Ω •...
  • Page 89: Inspection Of The Main Parts

    Service Manual High Wall, Heat Pump Type 10-11.Inspection of the Main Parts 10-11-1.Inspection of the P.C. Board (Indoor Unit) CAUTION • When removing the front panel or the P.C. board, be sure to shut off the power supply breaker. • When removing the P.C. board, hold the edge of the P.C. board and do not apply force to the parts. •...
  • Page 90 Service Manual High Wall, Heat Pump Type Procedure Check points Causes If the above condition (No. 5) still continues, 1. Check whether or not the compressor 1. The temperature of the indoor heat start the unit in the following condition. operates.
  • Page 91 Service Manual High Wall, Heat Pump Type 10-11-2.Indoor Unit (Other Parts) Part name Checking procedure Room temp. (TA) sensor Disconnect the connector and measure the resistance value with tester. Heat exchanger (TC) sensor (Normal temp.) Heat exchanger (TCj) sensor Temperature 10°C 20°C 25°C...
  • Page 92 Service Manual High Wall, Heat Pump Type Part name Checking procedure 4-way valve coil (Comp. Measure the resistance value of winding by using the tester. cylinder switching) (Model : VHV-01AZ535B1) Resistance value 7.2 ± 0.36 Under 20°C Connector : Red Pulse motor valve coil Measure the resistance value of winding by using the tester.
  • Page 93: Inspection Of The Outdoor Fan Motor

    Service Manual High Wall, Heat Pump Type 10-12.Inspection of the Outdoor Fan Motor 10-12-1.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 94: Replacing The Main Parts

    Service Manual High Wall, Heat Pump Type REPLACING THE MAIN PARTS 11-1.Indoor Unit WARNING Since high voltages is applied to electrical parts, turn off the power without fail before starting replacement work. After repairs have been completed and the front panel and cabinet have been attached, perform test run and check for smoke, unusual sound, and other abnormalities.
  • Page 95 Service Manual High Wall, Heat Pump Type 11-1-2. Fixing Frame Assembly 11-1-3. Electric Parts Cover Detached 1) Detach the two air filters. 2) Disconnect the plasma ion charger connector 1) Perform all the steps in 11-1-1.Removing the and the earth lead (black). (The earth lead is Front Panel and Moving Panel.
  • Page 96 Service Manual High Wall, Heat Pump Type 11-1-4. Microcomputer P.C. 11-1-5. Louver Board 1) Open the moving panel, and support it with the panel support. 1) Remove the electric parts cover screw. 2) Open the vertical air flow louver. 2) Detach the metal electric parts cover. 3) Insert a flathead screwdriver into the gap of the 3) Disconnect the connectors from the P.C.
  • Page 97: Heat Exchanger

    Service Manual High Wall, Heat Pump Type 11-1-6. Heat Exchanger 11-1-7. Fan Motor 1) Perform all the steps in 11-1-1.Removing the 1) Perform all the steps in 11-1-1.Removing the Front Panel and Moving Panel and 11-1-2. Front Panel and Moving Panel and 11-1-3. Fixing Frame Assembly.
  • Page 98: Cross Flow Fan

    Service Manual High Wall, Heat Pump Type 11-1-8. Cross Flow Fan Keep 27mm distance between the support shaft at the rear 1) Perform all the steps in 11-1-1.Removing the centre of the unit and the immediate right joint-section of the cross flow fan.
  • Page 99 Service Manual High Wall, Heat Pump Type 11-2.Plasma Ion Charger 5) Lift the high-voltage power supply unit, and pull the projection at the bottom of the high-voltage power supply unit out of the fixing frame. 11-2-1. Common Procedure High-voltage power supply unit 1) Perform all the steps in 11-1-1.Removing the Hook 4P connector...
  • Page 100 Service Manual High Wall, Heat Pump Type 11-3.Outdoor Unit Attachment 1) Attach the water-proof cover. 11-3-1. Common Procedure Bend the right and left projections to the inside of the side cabinet and the front cabinet. 2) Attach the centre projection so that it comes on REQUIREMENT the hand-held of the side cabinet (right).
  • Page 101 Service Manual High Wall, Heat Pump Type 11-3-2. Front Cabinet 11-3-3. Control Board Assembly Detachment Detachment 1) Perform all steps of detachment in 11-3-1. 1) Perform all steps of detachment in 11-3-1. Common Procedure. Common Procedure. 2) Remove the following screws: 2) Remove the screws (ST1TØ4 ×...
  • Page 102 Service Manual High Wall, Heat Pump Type • These capacitors have large capacity. Therefore, it is dangerous if you short-circuit the terminals for discharging with a screwdriver or the like, which generates a big spark. 4) Perform step 2) of detachment in 11-3-2.Front Cabinet to detach the front cabinet.
  • Page 103: Outdoor Unit Control

    Service Manual High Wall, Heat Pump Type Precautions when attaching the inverter box Insert the heat insulator into the gap of the partition board. View from behind Hook the inverter fixing plate to the partition board. Insert the bent portion at Partition board Link up the slit of the lower part of the...
  • Page 104 Service Manual High Wall, Heat Pump Type CN300: Outdoor fan motor (3P: white) • After the board is replaced and accommodated in the inverter box, securely clamp the portions that CN704: 4-way valve coil (2P: white) were clamped before replacement with cable CN600: TE sensor (2P: white) ties to prevent wires from touching hot areas or CN700: Pulse motor valve coil (6P: white)
  • Page 105: Compressor Assembly

    Service Manual High Wall, Heat Pump Type NOTE When attaching the fan motor, tighten the flange nut to a tightening torque of 4.9N·m (50kgf·cm). Propeller fan Fan motor Hook the claw to the bottom plate. (13, 16, 18) Flange nut 11-3-7.
  • Page 106 Service Manual High Wall, Heat Pump Type 11-3-9. Heater for Antifreeze 2) Extract refrigerant gas. 3) Remove the partition board. (ST1TØ4 × 8L 3 pcs.) Detachment 4) Remove the sound-insulation material and the 1) Perform steps in 11-3-8.Compressor sensor. Assembly (except for step 6). 5) Remove the screw (ST1TØ4 ×...
  • Page 107 Service Manual High Wall, Heat Pump Type 11-3-12.4-way Valve Coil Attachment 1) Insert the claws of the fan guard into the holes in the front cabinet. Press the hooking claws (9 Attachment locations) by hand to fix them. 1) When connecting wires to the 4-way valve coils, be careful of lead colours for correct REQUIREMENT connection.
  • Page 108: Temperature Sensor

    Service Manual High Wall, Heat Pump Type 11-3-13.TE Sensor (Outdoor 11-3-15.TD Sensor (Discharge Heat Exchanger Temperature Sensor) Temperature Sensor) Attachment 1) Install the TD sensor onto the straight part of Attachment the discharge pipe with the lead wires pointing 1) Install the TE sensor onto the straight part of upward and the sensor facing the front of the the condenser output pipe with the lead wires cabinet.
  • Page 109: Exploded Views And Parts List

    Service Manual High Wall, Heat Pump Type EXPLODED VIEWS AND PARTS LIST 12-1.Indoor Unit RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND 221, 222 248 (-E) 243 (-E) 249 (-ND) 244 (-ND) * The parts in the following parts list are conformed to RoHS.
  • Page 110 Service Manual High Wall, Heat Pump Type 12-2.Microcomputer P.C. Board RAS-07PKVP-E, RAS-10PKVP-E, RAS-13PKVP-E, RAS-16PKVP-E, RAS-18PKVP-E RAS-07PKVP-ND, RAS-10PKVP-ND, RAS-13PKVP-ND, RAS-16PKVP-ND, RAS-18PKVP-ND 411, 412, 413, 414, 415, 406, 407, 408, 409, 410 * The parts in the following parts list are conformed to RoHS.
  • Page 111 Service Manual High Wall, Heat Pump Type 12-3.Outdoor Unit RAS-07PAVP-E, RAS-10PAVP-E, RAS-13PAVP-E, RAS-16PAVP-E, RAS-18PAVP-E RAS-07PAVP-ND, RAS-10PAVP-ND, RAS-13PAVP-ND, RAS-16PAVP-ND, RAS-18PAVP-ND 08,09 45 FLAG SLEEVE O.D. 16,19,22,25,26 12.7mm O.D. 15,18,21,24,26 9.52mm O.D. 14,17,20,23 6.35mm...
  • Page 112 43146680 VALVE, PACKED, 12.7 43032441 NIPPLE, DRAIN (16, 18PAVP-E, -ND) 43089160 CAP, WATERPROOF 43147196 BONNET, 1/4 IN 4301P703 MARK, TOSHIBA 43047401 BONNET, 3/8 IN (07, 10, 13PAVP-E, -ND) 4301P702 MARK, DAISEIKAI 43147195 BONNET, 1/2 IN (16, 18PAVP-E, -ND) 43042485 RUBBER, CUSHION 43047676 NUT, FLARE, 6.35...
  • Page 113: P.c. Board

    Service Manual High Wall, Heat Pump Type 12-4.P.C. Board RAS-07PAVP-E, RAS-10PAVP-E, RAS-13PAVP-E, RAS-16PAVP-E, RAS-18PAVP-E RAS-07PAVP-ND, RAS-10PAVP-ND, RAS-13PAVP-ND, RAS-16PAVP-ND, RAS-18PAVP-ND 705 BASE, PC BOARD 701 SENSOR, TE 702 SENSOR, TS 703 SENSOR, TO 704 SENSOR, TD 710 PC BOARD ASSY(07PAVP-E) 711 PC BOARD ASSY(10PAVP-E) 712 PC BOARD ASSY(13PAVP-E) 713 PC BOARD ASSY(16PAVP-E) 714 PC BOARD ASSY(18PAVP-E)
  • Page 114 Copyright © 2009 TOSHIBA CARRIER CORPORATION, All Rights Reserved.

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