Toshiba RAS-10SKV-A User Manual

FILE NO. SVM-07008-1SERVICE MANUALAIR CONDITIONERSPLIT WALL TYPERevised May, 2007RAS-10SKV-E / RAS-10SAV-ERAS-10SKV-A / RAS-10SAV-A

– 9 –43˚ to 45˚45˚ to 46˚B ACDTable 3-2-6 Flare and flare nut dimensions for R22Nominaldiameter1/43/81/25/83/4Outer diameter(mm)6.359.5212.7015.8819.

– 10 –3-3. Tools3-3-1. Required ToolsThe service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A ischanged to

– 11 –Connect the charge hose to packed valve service port at the outdoor unit’s gas side.Recover the refrigerant, and check no refrigerant remains in

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

– 13 –Nitrogen gascylinderPipeFlow meterMStop valveFrom Nitrogen cylinderNitrogen gasRubber plug2. Characteristics required for flux• Activated temper

– 14 –4. CONSTRUCTION VIEWS4-1. Indoor Unit 3845250235135 9040 165 451359026290Knock out system58852195Front panelKnock out system860Air inletAir filt

FILE NO. SVM-07008− 15 −4-2. Outdoor UnitCLCL

– 16 –FILE NO. SVM-070085. WIRING DIAGRAM5-1. Indoor Unit

FILE NO. SVM-07008– 17 –5-2. Outdoor Unit

– 18 –FILE NO. SVM-070086. SPECIFICATION OF ELECTRICAL PARTS6-1. Indoor Unit No. Parts name Type Specifications1 Fan motor (for indoor)

CONTENTS1. SAFETY PRECAUTIONS ... 22. SPECIFICATIONS ...

FILE NO. SVM-07008– 19 –6-2. Outdoor Unit (RAS-10SAV-E, RAS-10SAV-A)No. Parts name Model name Rating1 SC coil L01 GET-0451 0.6mH, 15A(Noise

– 20 –7. REFRIGERANT CYCLE DIAGRAM7-1. Refrigerant Cycle DiagramRAS-10SKV-E / RAS-10SAV-ENOTE :• The maximum pipe length of this air conditioner is 1

– 21 –7-2. Operation Data<Cooling>Model name Standard Indoor Outdoor CompressorRAS- pressure fan mode fan mode revolutionIndoor Outdoor P (MPa)

– 22 –FILE NO. SVM-07008REMOTE CONTROLRemote ControlOperation ( )Operation Mode Selection AUTO, COOL, DRY, HEAT, FAN ONLYTemperature SettingFan Spe

– 23 –FILE NO. SVM-070088-2. Outdoor Unit (Inverter Assembly)For INDOOR UNIT1230V 50HzsignalNoisefilterInputcurrentsensorConverter(AC DC)P.C.B (MCC

− 24 −9. OPERATION DESCRIPTION9-1. Outline of Air Conditioner ControlThis air conditioner is a capacity-variable type airconditioner, which uses A

– 25 −9-2. Operation Description 1. Basic operation ...

– 26 –Item1. BasicoperationOperation flow and applicable data, etc.1. Operation controlDescriptionReceiving the user’s operation condition setup, the

− 27 −Operation ON Setup of remote controllerIndoor fan motor control / Louver control / Operation HzControl (Requierment)Indoor unit controlSending

– 28 –Item2. Indoor fanmotor controlOperation flow and applicable data, etc.<In cooling operation>(This operation controls the fan speed at indo

– 2 –1. SAFETY PRECAUTIONSFor general public usePower supply cord of outdoor unit shall be more than 1.5 mm2 (H07RN-F or 60245IEC66) polychloroprenes

– 29 –Item2. Indoor fanmotor controlOperation flow and applicable data, etc.<In heating operation>Description1) When setting the fan speed to L,

– 30 –Item3. CapacitycontrolOperation flow and applicable data, etc.The cooling or heating capacity depending on the load isadjusted.According to diff

– 31 –Item5. Release protectivecontrol by tempera-ture of indoor heatexchangerOperation flow and applicable data, etc.<In cooling/dry operation>

– 32 –ItemOperation flow and applicable data, etc.Description6. Defrost control(Only in heatingoperation)(This function removes frost adhered to the o

HorizontalblowingInclinedblowingBlowingdownwardAir directionInclinedblowingHorizontalblowingInitial setting of "Cooling storage position"Lou

– 34 –Item8. ECOoperationOperation flow and applicable data, etc.When pressing [ECO] button on the remote controller, a Economic operation is performe

– 35 –Item9. TemporaryoperationOperation flow and applicable data, etc.Pressing [RESET] button starts the temporary opera-tion of [AUTO] operation. Wh

– 36 –Item11. Self-CleaningOperation flow and applicable data, etc.1. PurposeThe Self-Cleaning operation is to minimize thegrowth of mold, bacteria et

Item11. Self-CleaningfunctionOperation flow and applicable data, etc.• Self-Cleaning diagramDescription12. Self-Cleaningfunction releaseOperation di

Item13. Romote-A or BselectionOperation flow and applicable data, etc.Description1. PurposeThis operation is to operate only oneindoor unit using one

• DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURETO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION.• TO PREVENT

Item14. QUIET modeOperation flow and applicable data, etc.DescriptionWhen the [QUIET] button is pressed, the fan of the indoor unit will be restricted

ItemOperation flow and applicable data, etc.Description17. Hi-POWER ([Hi-POWER] button on the remote controller is pressed)When [Hi-POWER] button is p

– 41 –OperationPress [RESET] button for more thanthree seconds. (Less than 10 seconds)MotionsThe unit is on standby.↓The unit starts to operate. The g

– 42 –OperationPress [RESET] button for more thanthree seconds. (Less than 10 seconds)MotionsThe unit is on standby.↓The unit starts to operate. The g

1111 Infrared signal emitterStart/Stop buttonMode select button (MODE)Temperature button (TEMP)Fan speed button (FANSwing louver button (SWING)Set lou

– 44 –4. DRY OPERATION (COOLING ONLY)For dehumidification, a moderate cooling performance is controlled automatically.1. Press MODE : Select Dry

− 45 − 9. PRESET OPERATIONSet your preferred operation for future use. The setting will be memorized by theunit for future operation (except air fl

– 46 –9-4-3. Name and Functions of Indications on Remote Controller[Display]All indications, except for the clock time indicator, are displayed by pre

− 47 −FILE NO. SVM-0700810-1-1. Installation Diagram of Indoor and Outdoor UnitsShield pipeAir filterHookHook(Attach to the front panel.)65 mm or more

– 48 −FILE NO. SVM-0700810-1-2. Optional installation parts<Fixing bolt arrangement of outdoor unit>Fig. 9-1-2 Secure the outdoor unit with the

– 4 – 2. SPECIFICATIONS2-1. Specifications Unit model Indoor RAS-10SKV-E, RAS-10SKV-AOutdoor RAS-10SAV-E, RAS-10SAV-ACooling capacity (kW) 2.5Cooling

– 49 –FILE NO. SVM-07008PartNo.123Part name (Q’ty)Installation plate x 1Wireless remote control x 1Battery x 2Part name (Q’ty)Remote control holder x

– 50 –FILE NO. SVM-07008• Incidentally, the “refrigerant cylinder” comes with the refrigerant designation (R410A) and protector coating inthe U. S’s A

– 51 –FILE NO. SVM-07008-110-2. Indoor Unit10-2-1. Installation place• A place which provides the spaces around theindoor unit as shown in the above d

– 52 –FILE NO. SVM-07008<When the installation plate is directly mounted onthe wall>1. Securely fit the installation plate onto the wall byscrew

– 53 –FILE NO. SVM-0700810-2-4. Wiring connection<How to connect the connecting cable>Wiring of the connecting cable can be carried outwithout r

– 54 –FILE NO. SVM-07008<How to fix the Drains Cap>1) Insert hexagonal wrench (∅4 mm) in a center head.Fig. 10-2-112) Firmly insert drains cap.F

– 55 –FILE NO. SVM-0700810-3-2. Refrigerant piping connection<Flaring>1. Cut the pipe with a pipe cutter.Fig. 10-3-22. Insert a flare nut into t

– 56 –FILE NO. SVM-07008-110-3-3. EvacuatingAfter the piping has been connected to the indoor unit,you can perform the air purge together at once.AIR

– 57 –FILE NO. SVM-07008<Stripping length of connection cable>CAUTION• Wrong wiring connection may cause someelectrical parts burn out.• Be sure

– 58 –FILE NO. SVM-0700810-3-5. Gas leak testFig. 10-3-10• Check the flare nut connections for the gas leakwith a gas leak detector or soap water.Chec

2-2. Operation Characteristic Curve– 5 –FILE NO. SVM-07008<Cooling> <Heating>2-3. Capacity Variation Ratio According to Temperature<Coo

– 59 –FILE NO. SVM-07008Inverter coverP. C. board (Soldered surface)Discharging position (Discharging period 10 seconds or more)Plug of soldering iron

– 60 –FILE NO. SVM-0700811-1-3. Operation which is not a trouble (Program operation)For controlling the air conditioner, the program operations are bu

– 61 –FILE NO. SVM-0700811-3. Judgment by Flashing LED of Indoor UnitWhile the indoor unit monitors the operation status of the air conditioner, if th

– 62 –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

– 63 –FILE NO. SVM-0700811-4-2. Caution at servicing(1) After servicing, push the [ ] button to return to the normal mode.(2) After servicing by the

– 64 –FILE NO. SVM-7008Block distinction Operation of diagnosis functionJudgment and actionCheckBlockCheckCause of operationAir conditionerRemarkscode

– 65 –OperationMeasureItem by symptomsCheck itemConceivable principle causeParts(D01 ~ D04,C03, T101 and IC12 are defective.• Be sure to disconnect th

(2) Power is not turned on though Indoor P.C. board is replaced<Confirmation procedure>YES YESNO NOTo item of “Power is not turned on”.Turn on p

FILE NO. SVM-07008– 67 –(3) Only the indoor fan does not operate.Replace the fan motor.YESNONOYESYESNONOYESYESYESNONO NOYESDoes the fan stop inno oper

<Cause>The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to the inside of the motor.If the P.C. board is soldere

– 6 –3. REFRIGERANT R410AThis air conditioner adopts the new refrigerant HFC(R410A) which does not damage the ozone layer.The working pressure of the

– 69 –FILE NO. SVM-07008Press [ ]button.Is transmissionmark indicated?Press RESET buttonon remote controlwith tip of pencil.Is receiver onindoor un

– 70 –FILE NO. SVM-07008Measure gas pressure.Gas shortagePipe cloggingThermo operation of compressorGas circulation amount is down.Gas leak11-5-2. Wir

– 71 –FILE NO. SVM-0700811-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E<Check procedure>NONONONOYESYESYESYESYESGas leakage,discon

– 72 –FILE NO. SVM-0700811-7. How to Diagnose Trouble in Outdoor Unit11-7-1. Summarized inner diagnosis of inverter assemblyDiagnosis/Process flowchar

– 73 –FILE NO. SVM-07008CheckOperation→ OK if 10MΩ or more →OK if 0.51Ω → 0.57Ω(Check by a digital tester.)a) One or two of threevoltages should be 5

FILE NO. SVM-07008(3) Checking procedure.Table 11-6-1No.123456Procedure1. Application of shock voltage.Overload by short-circuit of theparts.1. AC pow

– 75 –10030405060708090201000102030 4050Resistance value (k )Temperature (˚C)TD : Discharge temp. sensorTA : Room temp. sensorTC : Heat exchanger temp

– 76 –FILE NO. SVM-070081 Room temp. (TA) sensorHeat exchanger (TC) sensor2 Remote control3 Louver motor24BYJ484 Indoor fan motorDisconnect the connec

– 77 –FILE NO. SVM-070081 Electrolytic capacitor 1. Turn OFF the power supply breaker.(For raising pressure, smoothing) 2. Discharge all three capacit

– 78 –FILE NO. SVM-7008If the resistance value between1 (Red lead) − 2 (White lead)2 (White lead) − 3 (Black lead)3 (Black lead) − 1 (Re

– 7 –Table 3-2-1 Thicknesses of annealed copper pipesNominal diameter1/43/81/25/8Outer diameter (mm)6.359.5212.7015.88Thickness (mm)R410A R220.80 0.8

− 79 −How to remove the front panel1) Stop the operation of the air conditioner andturn off its main power supply.2) Pull the air inlet grille towar

− 80 −1) Remove the front panel, electrical part andthe horizontal louver following procedure 3.2) Remove the pipe holder at the rear side ofmain uni

FILE NO. SVM-07008– 81 –1) Turn the power supply off to stop the operationof air conditioner.2) Remove the front panel.• Remove the 4 fixing screws.3)

FILE NO. SVM-07008– 82 –<P.C. board layout> Solder side

FILE NO. SVM-07008– 83 –12-3-1. Outdoor Unit No. Part name Procedures Remarks1. Detachment1) Stop operation of the air conditioner, andturn off the ma

FILE NO. SVM-07008– 84 –No. Part name Procedures Remarks1) Perform work of item 1 of 1.2) Remove screw (ST1T∅4 x 10s 1 pc.) ofthe upper part of the fr

FILE NO. SVM-07008– 85 –No. Part name Procedures Remarks1) Disconnect lead wires and connectorsconnected from the control boardassembly to other parts

FILE NO. SVM-07008– 86 –No. Part name Procedures Remarks1) Perform work of item 1 of 1 and 1 of 2.2) Remove the flange nut fixing the fan motorand the

FILE NO. SVM-07008– 87 –No. Part name Procedures Remarks1. Detachment1) Perform work of item 1 of 1 and 1 of 2.Requirement:Perform the work on a corru

FILE NO. SVM-07008– 88 –No. Part name Procedures Remarks1)Cut the sensor 100 mm longer than oldone.2) Cut the protective tube after pulling out it(200

– 8 –AØDd) Flare ProcessingMake certain that a clamp bar and copperpipe have been cleaned.By means of the clamp bar, perform the flareprocessing corre

FILE NO. SVM 07008− 89 −13. EXPLODED VIEWS AND PARTS LIST13-1. Indoor Unit (E-Parts Assy)401405410411404403Location Part Location PartNo. No. No. No.4

FILE NO. SVM-07008− 90 −13-2. Indoor Unit Location Part Location PartNo. No. No. No.201 43T00478 FRONT PANEL ASSY 213 43T19333 FIX-PIPE-SENSOR202 43

FILE NO. SVM-07008− 91 −13-3. Outdoor UnitLocation Part Location PartNo. No.1 43T19335 FAN GUARD 15 43T49327 CUSHION,RUBBER2 43T20324 PROPELLER FAN

FILE NO. SVM-07008− 92 −13-4. Outdoor Unit (E-Parts Assy)707704705703706702701708Location Part Location PartNo. No.701 43T62320 HEATSINK 705 43T60377

FILE NO. SVM-03008– 87 –TOSHIBA CARRIER CORPORATION