Toshiba RAS-10YAV-E, RAS-13YKV-E No. Part name Procedure Remarks, Detachment, Attachment

Page 62

11-3. Outdoor Unit

No. Part name

 

Procedure

Remarks

Q Common

1. Detachment

Upper cabinet

procedure

1)

Stop operation of the air conditioner, and remove

 

 

 

the power plug of the indoor unit from plug

 

 

 

socket.

Wiring

 

2)

Remove the valve cover. (ST1TØ4 x 10 l 1 pc.)

cover

 

 

• After removing screw, remove the valve cover

Valve

 

 

pulling it downward.

cover

 

 

 

 

3)

Remove wiring cover (ST1TØ4 x 10 l 2 pcs.),

 

 

 

and then remove connecting cable.

 

4)Remove the upper cabinet. (ST1TØ4 x 10 l 2 pcs.)

After removing screws, remove the upper cabinet pulling it upward.

2. Attachment

1)Attach the upper cabinet. (ST1TØ4 x 10 l 2 pcs.)

• Hook the rear side of the upper cabinet to claw

of the rear cabinet, and then put it on the front cabinet.

2) Perform cabling of connecting cable, and attach the wiring cover.

• Insert the upper part into the upper cabinet, insert claw which has been hooked to the lower part into the square hole, and then fix it with screw. (ST1TØ4 x 10 l 1 pc.)

3)Attach the valve cover. (ST1TØ4 x 10 l 1 pc.)

• Insert the upper part to the upper cabinet, set

hook claw of the valve cover to square holes (at three positions) of the main unit, and attach it pushing upward.

R Front cabinet 1. Detachment

 

1)

Perform work of item 1 of Q.

 

2)

Remove screws (ST1TØ4 x 10 l 1 pc.) of the

 

 

front cabinet and inverter cover and screws

 

 

(ST1TØ4 x 10 l 3 pcs.) of the front cabinet and

 

 

lower part.

 

 

• The left side of the front is made to insert to

 

 

the rear cabinet, so remove it pulling upward.

 

2. Attachment

Claw

1)

Insert claw at the left side of the front into the

Square hole

 

rear cabinet.

 

2)

Hook the lower part at the right side of the front

 

 

to concave part of the bottom plate. Insert claw

 

 

of the rear cabinet into square hole of the front

 

 

cabinet.

 

3)

Attach the removed screws to the original

Concave section

 

positions.

 

 

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Image 62
Contents AIR-CONDITIONER Contents RAS-10YKV-E/RAS-10YAV-E SpecificationsSpecifications RAS-13YKV-E/RAS-13YAV-E RAS-13YKV-ECooling Heating Operation Characteristic CurveCapacity Variation Ratio According to Temperature CoolingRefrigerant R410A Safety During Installation/ServicingRefrigerant Piping Installation Piping Materials and Joints UsedOuter diameter mm R410A R22 Processing of Piping Materials1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter5 Flare and flare nut dimensions for R410A 3 Dimensions related to flare processing for R410A Outer4 Dimensions related to flare processing for R22 Outer Outer Thickness Dimension mmNm kgfcm Wrenches available on the marketRequired Tools R410A air conditioner Conventional air InstallationTools General tools Conventional tools can be used1 Configuration of refrigerant charging Recharging of RefrigerantFlux Brazing of PipesMaterials for Brazing Brazing Never use gas other than Nitrogen gasRAS-10YKV-E, RAS-13YKV-E Construction ViewsIndoor Unit Outdoor Unit RAS-10YAV-E RAS-13YAV-ECheck items Diagnosis result Wiring Diagram1 Simple check points for diagnosing faults RAS-10YAV-E, RAS-13YAV-E V. Pulse Modulating ValveParts name Model name Rating Specifications of Electrical PartsParts name Type Specifications RAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E Refrigerant Cycle DiagramRefrigerant Cycle Diagram Heating Operation DataCooling Control Block Diagram Remote ControllerMCC808 P.C.B AssemblyRAS Operation Description Outline of Air Conditioner ControlCurrent Release Control Power Factor Improvement ControlCapacity Control 1 Compressor revolution rangeLouver Control Prevent-Freezing Control5. P. M. V. Pulse Modulating Valve Indoor Fan Control DC Fan MotorCOOL, DRY Description of Operation CircuitOutdoor Fan Control DC Fan Motor HeatCurrent release control Outdoor temperature release controlPrevent-freezing control Rps Louver control5 Setting of air flow ECONO. operation controlStarting and in stability Heating OperationBasic control Cold draft preventing controlDefrost control Temporary Auto Operation Temporary OperationAutomatic Operation Temporary Cooling OperationOperation Motion How to Set the Auto RestartAuto Restart Function How to Cancel the Auto Restart Case of Power Failure during the Timer OperationName of Indications on Remote Controller Remote ControllerParts Name of Remote Controller START/STOP buttonRemark per EMC Directive 89/336/EEC Installation ProcedureSafety Cautions Optional Installation Parts Indoor UnitElectrical Work Outdoor Unit Refrigerant Piping ConnectionConfirmation of Power Voltage HOW to Diagnose the TroubleConfirmation of Power Supply First ConfirmationOperation of air conditioner Description Primary JudgmentOperation Which is not a Trouble Program Operation Judgment by Flashing LED of Indoor Unit Check Block display Description for self-diagnosis CodeSelf-Diagnosis Self-Diagnosis by Remote Controller Check CodeOperation Control by Rated Frequency in Service Mode ButtonBlock distinction Check outdoor heat exchanger temp Confirmation procedure Judgment of Trouble by Every SymptomIndoor Unit Including Remote Controller 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 Outdoor unit does not operate Wiring Failure Interconnecting and Serial Signal WireCheck procedure Select phenomena described below Check Code 1C Miswiring in indoor/outdoor units and 1E Check procedureDiagnosis/Process flowchart Contents Summary How to Diagnose Trouble in Outdoor UnitSummarized Inner Diagnosis of Inverter Assembly Operating precautions How to Check Simply the Main PartsHow to Check the P.C. Board Indoor Unit Inspection proceduresCheck procedures Procedure Check point Symptom CausesBottom View Sensor characteristic table10-8-2. P.C. Board Layout Outdoor Unit Part name Checking procedureIndoor Unit Other Parts Position Resistance valueChecking Method for Each Part Case that product is goodHow to Simply Judge Whether Outdoor Fan Motor is Good or Bad Symptom11-1 Indoor Unit HOW to Replace the Main PartsPart name Procedure Remarks To assemble the front panelRemoving Louver motor Microcomputer Board layoutAttachment No. Part name Procedure RemarksDetachment Bundled Be careful to check the inverter becauseHigh-voltage circuit is incorporated in it PartLead wires Propeller Flange nut is loosened by turning clockwise Check that coil at B room side Red Pulse modulating valve has a roomSide and B room side. After mounting it Perform work on a corrugated cardboardPart name Procedure Remarks Parts name Qty RemarksMCC-808 Location Exploded Views and Parts ListPart Description 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