Toshiba RAS-13YKV-E, RAS-10YKV-E, RAS-10YAV-E, RAS-13YAV-E service manual Removing Louver motor

Page 60

No.

Part name

 

Procedure

Remarks

 

 

 

 

 

T

Horizontal grille

1)

Perform the process R.

 

 

Note:

2)

Remove the screw fixing the louver motor, and

 

 

 

remove the louver motor.

 

 

The horizontal

3)

Remove the shaft of the horizontal grille from the

 

 

grille can not be

 

drain-pan.

 

 

removed without

 

 

Louver

 

removing the

 

 

 

louver motor.

 

 

motor

 

 

 

 

 

 

 

 

Horizontal grille Screw

 

 

 

 

U

Heat exchanger

1) Perform the process S.

Hooks

 

 

2)

Remove the pipe holder from the rear side of main

 

 

 

 

unit by removing the screw.

Pipe

 

 

3)

Unhook the hooks fixing the left side of the heat

holder

 

 

 

 

 

 

exchanger and remove the screw fixing it, then

 

 

 

 

remove the right side of the end plate from the rib

 

 

 

 

fixing the main unit by sliding the heat exchanger

 

 

 

 

slightly to the right side.

Hooks fixing the

 

 

 

 

heat exchanger

 

 

 

 

Shaft bearing

 

 

 

 

base

 

 

 

 

Screw fixing the

 

 

 

 

heat exchanger

 

 

 

 

V

Cross flow fan

1) Perform the process S.

 

2) Loosen the set screw of the cross flow fan.

3) Remove the screw fixing the shaft bearing base.

Hook

 

4) Lift slightly up the left side of the heat exchanger,

Screw

 

and pull the shaft bearing base out left downwards.

 

 

When assembling it, fix it with the set screw on the

 

 

position where the gap between the rear plate surface

 

 

and the left end surface of the cross flow fan is 6 to 7

Shaft

 

mm.

bearing

Cross

 

base

 

flow fan

 

 

 

 

 

 

6 to 7mm

 

 

Rear plate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

Shaft bearing

1)

Perform the process V above.

 

 

 

 

 

 

2)

Remove the shaft bearing from the shaft bearing

 

 

 

 

 

 

 

base.

 

 

 

 

 

 

 

<Caution for assembling>

 

 

 

 

 

 

If a part of the shaft bearing is protruded from the

 

 

 

 

 

 

 

housing, assemble it after pushing its portion into

 

 

 

 

 

 

 

the correct position in the housing.

 

 

 

 

 

 

 

 

 

 

 

 

X

Fan motor

1)

Perform the process U above.

 

 

 

Mount the fan motor

 

 

2)

Perform the process V-2) above.

Ribs

 

asshown in figure

 

 

 

belowwhen

 

 

 

 

 

 

 

 

 

3)

Remove the left and right motor bands.

 

 

 

assembling.

 

 

4)

Remove the fan motor after pulling the cross flow

 

 

 

Put the end of lead

 

 

 

fan out sliding it left and right.

 

 

 

wire at the portion

 

 

 

 

 

 

between two ribs.

 

 

 

 

 

 

 

– 60 –

Image 60
Contents AIR-CONDITIONER Contents Specifications SpecificationsRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E RAS-13YKV-EOperation Characteristic Curve Capacity Variation Ratio According to TemperatureCooling Heating CoolingSafety During Installation/Servicing Refrigerant Piping InstallationRefrigerant R410A Piping Materials and Joints UsedProcessing of Piping Materials 1 Thicknesses of annealed copper pipes Thickness mmOuter diameter mm R410A R22 Nominal diameter3 Dimensions related to flare processing for R410A Outer 4 Dimensions related to flare processing for R22 Outer5 Flare and flare nut dimensions for R410A Outer Thickness Dimension mmNm kgfcm Wrenches available on the marketR410A air conditioner Conventional air Installation ToolsRequired Tools General tools Conventional tools can be used1 Configuration of refrigerant charging Recharging of RefrigerantBrazing of Pipes Materials for BrazingFlux Brazing Never use gas other than Nitrogen gasConstruction Views Indoor UnitRAS-10YKV-E, RAS-13YKV-E Outdoor Unit RAS-10YAV-E RAS-13YAV-EWiring Diagram 1 Simple check points for diagnosing faultsCheck items Diagnosis result RAS-10YAV-E, RAS-13YAV-E V. Pulse Modulating ValveSpecifications of Electrical Parts Parts name Type SpecificationsParts name Model name Rating Refrigerant Cycle Diagram Refrigerant Cycle DiagramRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E Operation Data CoolingHeating Control Block Diagram Remote ControllerAssembly RASMCC808 P.C.B Operation Description Outline of Air Conditioner ControlPower Factor Improvement Control Capacity ControlCurrent Release Control 1 Compressor revolution rangePrevent-Freezing Control 5. P. M. V. Pulse Modulating ValveLouver Control Indoor Fan Control DC Fan MotorDescription of Operation Circuit Outdoor Fan Control DC Fan MotorCOOL, DRY HeatOutdoor temperature release control Prevent-freezing controlCurrent release control Rps Louver control5 Setting of air flow ECONO. operation controlHeating Operation Basic controlStarting and in stability Cold draft preventing controlDefrost control Temporary Operation Automatic OperationTemporary Auto Operation Temporary Cooling OperationHow to Set the Auto Restart Auto Restart FunctionOperation Motion How to Cancel the Auto Restart Case of Power Failure during the Timer OperationRemote Controller Parts Name of Remote ControllerName of Indications on Remote Controller START/STOP buttonInstallation Procedure Safety CautionsRemark per EMC Directive 89/336/EEC Optional Installation Parts Indoor UnitElectrical Work Outdoor Unit Refrigerant Piping ConnectionHOW to Diagnose the Trouble Confirmation of Power SupplyConfirmation of Power Voltage First ConfirmationPrimary Judgment Operation Which is not a Trouble Program OperationOperation of air conditioner Description Judgment by Flashing LED of Indoor Unit Check Block display Description for self-diagnosis CodeSelf-Diagnosis by Remote Controller Check Code Operation Control by Rated Frequency in Service ModeSelf-Diagnosis ButtonBlock distinction Check outdoor heat exchanger temp Judgment of Trouble by Every Symptom Indoor Unit Including Remote ControllerConfirmation procedure Power is not turned on Does not operate entirelyOnly the indoor fan does not operate YESCause How to examine whether remote controller is good or bad Wiring Failure Interconnecting and Serial Signal Wire Check procedure Select phenomena described belowOutdoor unit does not operate Check Code 1C Miswiring in indoor/outdoor units and 1E Check procedureHow to Diagnose Trouble in Outdoor Unit Summarized Inner Diagnosis of Inverter AssemblyDiagnosis/Process flowchart Contents Summary How to Check Simply the Main Parts How to Check the P.C. Board Indoor UnitOperating precautions Inspection proceduresCheck procedures Procedure Check point Symptom CausesSensor characteristic table 10-8-2. P.C. Board LayoutBottom View Part name Checking procedure Indoor Unit Other PartsOutdoor Unit Position Resistance valueChecking Method for Each Part Case that product is goodHow to Simply Judge Whether Outdoor Fan Motor is Good or Bad SymptomHOW to Replace the Main Parts Part name Procedure Remarks11-1 Indoor Unit To assemble the front panelRemoving Louver motor Microcomputer Board layoutNo. Part name Procedure Remarks DetachmentAttachment Be careful to check the inverter because High-voltage circuit is incorporated in itBundled PartLead wires Propeller Flange nut is loosened by turning clockwise Pulse modulating valve has a room Side and B room side. After mounting itCheck that coil at B room side Red Perform work on a corrugated cardboardPart name Procedure Remarks Parts name Qty RemarksMCC-808 Exploded Views and Parts List Part DescriptionLocation Part Description 222 43T49023 Holder of Plate of EVA-SEAL 11, 13 12 24, 25 26, 27 12-3. P.C. Board Layout Toshiba Carrier Corporation Turn 208 10YKV-E 221 Cushion, Rubber Valve, 4-way To Sensor Ø6