Toshiba RAS-10YKV-E User Manual

SERVICE MANUALFILE NO. A00-T004AIR-CONDITIONERSUPPLEMENTSPLIT TYPEPRINTED IN JAPAN, Aug.,2000 ToMo RAS-10YKV-E / RAS-10YAV-ERAS-13YKV-E / RAS-13

– 10 –2-3. Tools2-3-1. Required ToolsThe service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to pr

– 11 –2-4. Recharging of RefrigerantWhen it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to thefollo

– 12 –Gauge manifold[ Cylinder with siphon ] [ Cylinder without siphon ]OUTDOOR unitGauge manifoldOUTDOOR unitRefrigerantcylinderElectronic balanceRef

– 13 –(2) Characteristics required for flux• Activated temperature of flux coincides withthe brazing temperature.• Due to a wide effective temperature

– 14 –3. CONSTRUCTION VIEWS3-1. Indoor UnitRAS-10YKV-E, RAS-13YKV-EWirelessremote controllerInstallationplate outline55161364750 94Air filter 790Hea

– 15 –3-2. Outdoor UnitRAS-10YAV-ERAS-13YAV-EConnecting pipe port(Pipe dia.Ø6,35)Connecting pipe port(Pipe dia.Ø9,52)Ø25 drain hole(For Ø8-Ø10 anchor

– 16 –4. WIRING DIAGRAM4-1. Indoor UnitRAS-10YKV-E, RAS-13YKV-ETable 4-1-1 Simple check points for diagnosing faultsCheck itemsOPERATIONindicatorTer

– 17 –4-2. Outdoor UnitRAS-10YAV-E, RAS-13YAV-ECOLOR IDENTIFICATIONP.M.V. : Pulse Modulating ValveBLK : BLACKBLU : BLUERED : REDGRY : GRAYPNK : PINKWH

– 18 –5-2. Outdoor UnitRAS-10YAV-E, RAS-13YAV-ENo. Parts name Type Specifications1 Fan motor (for indoor) TICF-35-19-4 DC35V, 19W2 Thermo. sensor (TA-

– 19 –NOTE :• The maximum pipe length of this air conditioner is 15 m. The additional charging of refrigerant is unneces-sary because this air conditi

– 2 –CONTENTS1. SPECIFICATIONS ...32. REFRIGERANT R410A...

– 20 –6-2. Operation Data<Cooling><Heating>NOTES :(1) Measure surface temperature of heat exchanger pipe around center of heat exchanger p

– 21 –7. CONTROL BLOCK DIAGRAM7-1. Indoor UnitRAS-10YKV-E, RAS-13YKV-EFunctions• Louver Control• 3-minute Delay at Restart for Compressor• Motor Revo

– 22 –7-2. Outdoor Unit (Inverter Assembly)RAS-10YAV-E, RAS-13YAV-E220–230–240 V~ 50/60 HzMICRO-COMPUTER BLOCK DIAGRAMOver currentsensorDriver circuit

– 23 –8. OPERATION DESCRIPTION8-1. Outline of Air Conditioner ControlThis air conditioner is a capacity-variable type airconditioner, which uses DC m

– 24 –(3) Contents of operation command signal (Serialsignal) from indoor unit controller to outdoor unitcontrollerThe following three types of signal

– 25 –8-1-4. Prevent-Freezing ControlThe indoor heat exchanger sensor detects refriger-ant vapor temperature in COOL/DRY operation.If the temperature

– 26 –8-1-8. Outdoor Fan Control (DC Fan Motor)Although the outdoor fan motor drives the outdoor fan by non-step variable system of the revolution spe

– 27 –8-2-1. Cooling Operation(The Remote Controller MODE Buttonis Set to the COOL Position)• Once the setting is made, the operation mode ismemorized

– 28 –(5) Limit for maximum compressor motor speedby indoor fan speedWhen outdoor temperature sensor detected32°C or lower, and indoor heat exchangers

– 29 –(8) ECONO. operation controlWhen the ECONO. button of the remote control-ler is pushed, quiet and mild operation is per-formed by restraining ai

– 3 –1. SPECIFICATIONS1-1. SpecificationsRAS-10YKV-E/RAS-10YAV-E• The specifications may be subject to change without notice for purpose of improveme

– 30 –8-2-3. Heating OperationTransferring of heating operation signal from indoorunit to outdoor unit starts.The indoor fan motor operates by the ro

– 31 –Outside air temp. (˚C)16,010,3A 9,8A10,8ATO15,511,010,5Fig. 8-2-8(4) Defrost control1) Detection of frostIn heating operation, time duration w

– 32 –TEMPORARYTEMPORARYbuttonTEMPORARY button ControlOFF → ON Temporary Auto operation startAfter pushing buttonAuto Restart control selectfor 3 seco

– 33 –8-4. Auto Restart FunctionThis unit is equipped with an Automatic restartingfacility which allows the unit to restart and resumethe set operatin

– 34 –8-4-2. How to Cancel the Auto RestartTo cancel the Auto Restart function, proceed asfollows:Repeat the setting procedure: the unit willacknowled

– 35 –8-5. Remote Controller8-5-1. Parts Name of Remote Controller8-5-2. Name of Indications on Remote ControllerAll indication that appear on the rem

– 36 –9. INSTALLATION PROCEDURE9-1. Safety CautionsFor general public usePower supply cord of parts of appliance for outdoor use shall be morethan po

– 37 –• Secure the outdoor unit with the fixing bolts and nuts if theunit is likely to be exposedto a strong wind.• Use ø8 mm or ø10 mmanchor bolts an

– 38 –Fig. 9-2-19CAUTIONArrange the drain pipe for proper drainage fromthe unit.Improper drainage can result in dew-dropping.This air conditioner has

– 39 –9-3-3. EvacuatingAfter the piping has been connected to all indoor unit(s),you can perform the air purge together at once.AIR PURGEEvacuate the

– 4 –RAS-13YKV-E/RAS-13YAV-E• The specifications may be subject to change without notice for purpose of improvement.IndoorRAS-13YKV-EUnit modelOutdoor

– 40 –Discharging position (Discharging period 10 seconds or more)Plug of soldering ironInverter coverP. C. board (Soldered surface)MCC-80810. HOW T

– 41 –No.1234567Operation of air conditionerWhen power breaker is turned “ON”, theoperation lamp (Green) of the indoor unitflashes.Compressor may not

– 42 –OPERATION (Green)Flashing display (1 Hz)OPERATION (Green)Flashing display (5 Hz)OPERATION (Green)TIMER (Yellow)Flashing display (5 Hz)OPERATION

– 43 –Push the CHK button by something with thin edge.• Check is displayed in the indication part of the remote controller.Push t

– 44 – Block distinction Operation of diagnosis functionCheckcodeBlockCheckcodeCause of operationAirconditionerstatusRemarksJudgment and actionShort-

– 45 –Block distinction Operation of diagnosis functionCheckcodeBlockCheckcodeCause of operationAirconditionerstatusRemarksJudgment and actionInverter

– 46 –Item by symptomOperationCheck ItemConsiderable main causeMeasuresTurn off the power supply once, and turn on it again after 5 seconds passed.Doe

– 47 –YESNOReplace the board.Turn off the power supply.Does the fan stop in no operating status?Control board is defective.Replace the board.Start the

– 48 –Indoor fan starts rotating when power supply breaker is turned "ON".(Check output voltage (DC) of the fan motor on P.C. board.)Measure

– 49 –NOYESPush the START/STOP button.Does the transmission indicator of remote controller light?There is no beep from the indoor unit.The operation l

– 5 –1-3. Capacity Variation Ratio According to Temperature<Cooling>1-2. Operation Characteristic Curve<Cooling> <Heating>76543210Cu

– 50 –Refer to the chart in 10-6.Gas leakP.M.V. is defective.Miswiring of connecting wires of indoor/outdoor unitsClogging of pipe and coming-off of T

– 51 –NONONONOYESYESYESYESYESGas leakage, disconnection of TS/TC sensors (Check code 02, 1C)Discharge temp. error, gas leakage(Check code 03, 1E)1C 1E

– 52 –Diagnosis/Process flowchart ItemPreparationCheckCheckOperationMeasurementCheckStopCheckMeasurementContentsTurn “OFF” the power breaker,and remov

– 53 –Diagnosis/Process flowchart ItemCheckOperationCheckContentsCheck winding resistancebetween phases of compres-sor, and resistance betweenoutdo

– 54 –No.123456ProcedureShut off the power supply andremove the P.C. board assemblyfrom the electronic parts base.Remove the connecting cable fromt

– 55 –10030405060708090201000102030 4050Resistance value (kW)Temperature (˚C)TD : Discharge temp. sensorTA : Room temp. sensorTC : Heat exchanger temp

– 56 –Checking procedureDisconnect the connector and measure the resistance value with tester.(Normal temp.)To item of How to judge whether remote con

– 57 –No. Part name1 Electrolytic capacitor(For raising pressure,smoothing)2 Converter moduleChecking procedure1. Turn OFF the power supply breaker.2.

– 58 –If the resistance value between 1 (Yellow lead) – 4 (Pink lead) of the connector (CN301 : Motor position detection) is 5k to 20k, it is nor

– 59 –5 523 4 2 33 3 33HooksScrewUpper nailScrewDrain guideElectricalpart coverLower fixing nailWhen assembling dress the connectingcable in loop and

– 6 –2. REFRIGERANT R410A(5) After completion of installation work, check tomake sure that there is no refrigeration gasleakage.If the refrigerant ga

– 60 –Horizontal grille ScrewLouver motorHooksPipe holderHooks fixing theheat exchangerShaft bearingbaseScrew fixing theheat exchangerHookScrewCrossCr

– 61 –Procedure1) Turn the power supply off to stop the operation ofair-conditioner.2) Remove the front panel. • Remove the two fixing screws. (Ø4 x

– 62 –Procedure1. Detachment1) Stop operation of the air conditioner, and removethe power plug of the indoor unit from plugsocket.2) Remove the valve

– 63 –RemarksThe connector is one with lock,so remove it while pushing thepart indicated by an arrow.Be sure to remove the connectorby holding the con

– 64 –No. Part nameTControl boardassemblyRemarksProcedure1) Disconnect lead wires and connectors connectedfrom the control board assembly to other pa

– 65 –No. Part nameVFan motorWCompressorXReactorRemarksProcedure1) Perform work of item 1 of Q and R.2) Remove the flange nut fixing the fan motor and

– 66 –No. Part namePulsemodulatingvalve coilFan guardRemarksProcedure1. Detachment1) Perform work of item 1 of , and , , .2) Turn the coil clo

– 67 –No. Part name11 Replacementof temperaturesensor forservicing onlyCommon serviceparts of sensorTO, TS, TE, TDThese are partsfor servicingsensors.

– 68 –MCC-808

– 69 –402 43T60002 Terminal Block, 3P,AC 300V, 20A403 43T69004 Sensor, Heat Exchanger10kΩ, 25°C404 43T69005 Sensor, Thermostat10kΩ, 25°C405 43T69031

– 7 –Table 2-2-1 Thicknesses of annealed copper pipesTable 2-2-2 Minimum thicknesses of socket joints(2) JointsFor copper pipes, flare joints or soc

– 70 –201 43T00043 Front Panel Assembly202 43T00044 Grille, Suction203 43T80001 Air Filter (L)204 43T80002 Air Filter (R)206 43T07021 Screw Cap (L)207

– 71 –9435332222321198162223452926, 27, 291524, 2572110202812, 1411, 1317, 183132 01 43005368 Cabinet, Back, Assembly 02 43005369 Cabinet, Upper, As

– 72 –701 43050382 Sensor, TC (F6)702 43050334 Sensor, TD (F4)703 43060052 Fuse, 25A, 250V, Lead Type704 43060726 Fuse, 15A, 250V, Lead TypeLocation P

TOSHIBA CARRIER CORPORATION336 TADEHARA FUJI-SHI, SHIZUOKA-KEN, 416-8521, JAPAN

402 43T60002Terminal Block, 3P, AC 300V, 20A403 43T69004 Sensor,Heat Exchanger10kW, 25°C407 (10YKV-E)43T69062P.C. Board Assembly, MCC-772407 (13YKV-E

201 43T00043Front Panel Assembly210 43T09035Horizontal LouverAssembly for Service214 43T07001Bushing211 43T09004Louver Assembly213 43T21003Motor, Step

228 43T20007Fan, Cross Flow230 43T39003Base, Bearing231 43T03001Rear Plate233 43T82001Installation Plate232 43T07002Pipe Holder22643T39001Motor Band (

4 4301V030Guard, Fan3 43005401Cabinet, Front, Assembly5 43042461Base, Assembly33 43032441Drain Nipple22 43047549Nut, Flange23 43020310Fan, Propeller21

9 43041607Compressor2 43005369Cabinet, Upper,Assembly22 43047549Nut, Flange23 43020310Fan, Propeller4 4301V030Guard, Fan5 43042461Base, Assembly29 430

443214321707 43063306Heatsink708 4306S230P.C. Board Assembly, MCC-808706 43062215Base, P.C. Board705 4306A044Terminal block, 9P701 43050382Sensor, TC

– 8 –Table 2-2-5 Flare and flare nut dimensions for R410ATable 2-2-3 Dimensions related to flare processing for R410ATable 2-2-4 Dimensions related

– 9 –(2) Flare Connecting Procedures and Precautionsa) Make sure that the flare and union portionsdo not have any scar or dust, etc.b) Correctly align