Toshiba Refrigerant Cycle Diagram, RAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E

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6. REFRIGERANT CYCLE DIAGRAM

6-1. Refrigerant Cycle Diagram

RAS-10YKV-E/RAS-10YAV-E

RAS-13YKV-E/RAS-13YAV-E

PPressure measurement

Gauge attaching port

Vacuum pump connecting port

Deoxidized copper pipe

Outer dia. : 9,52mm

Thickness : 0,8mm

INDOOR UNIT

Indoor heat

exchanger

Cross flow fan

Deoxidized copper pipe Outer dia. : 6,35mm Thickness : 0,8mm

Sectional shape of heat insulator

T1

Temp. measurement

Allowable height difference : 10m	Allowable pipe length

Max. : 15m

4-way valve (CHV-0213)

TS

Temp. measurement T2

Muffler

Strainer

Muffler		Pulse modulating
Muffler		valve at liquid side
		valve at liquid side
TD		(SEV15RC2)
TD
Compressor
DA91A1F-44F
Outdoor heat	Split capillary
exchanger	Split capillary
exchanger	Ø1,5 x 200
	Ø1,5 x 200
	Ø1,5 x 200
	TE
Propeller fan			Refrigerant amount : 0,8kg
OUTDOOR UNIT		NOTE :	Gas leak check position
			Refrigerant flow (Cooling)
			Refrigerant flow (Heating)

NOTE :

•The maximum pipe length of this air conditioner is 15 m. The additional charging of refrigerant is unneces- sary because this air conditioner is designed with charge-less specification.

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Contents AIR-CONDITIONER Contents Specifications SpecificationsRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E RAS-13YKV-E/RAS-13YAV-ECooling Operation Characteristic CurveCapacity Variation Ratio According to Temperature Cooling HeatingPiping Materials and Joints Used Safety During Installation/ServicingRefrigerant Piping Installation Refrigerant R410ANominal diameter Processing of Piping Materials1 Thicknesses of annealed copper pipes Thickness mm Outer diameter mm R410A R22Outer Thickness Dimension mm 3 Dimensions related to flare processing for R410A Outer4 Dimensions related to flare processing for R22 Outer 5 Flare and flare nut dimensions for R410AWrenches available on the market Nm kgfcmGeneral tools Conventional tools can be used R410A air conditioner Conventional air InstallationTools Required ToolsRecharging of Refrigerant 1 Configuration of refrigerant chargingMaterials for Brazing Brazing of PipesFlux Never use gas other than Nitrogen gas BrazingIndoor Unit Construction ViewsRAS-10YKV-E, RAS-13YKV-E RAS-10YAV-E RAS-13YAV-E Outdoor Unit1 Simple check points for diagnosing faults Wiring DiagramCheck items Diagnosis result V. Pulse Modulating Valve RAS-10YAV-E, RAS-13YAV-EParts name Type Specifications Specifications of Electrical PartsParts name Model name Rating Refrigerant Cycle Diagram Refrigerant Cycle DiagramRAS-10YKV-E/RAS-10YAV-E RAS-13YKV-E/RAS-13YAV-E Cooling Operation DataHeating Remote Controller Control Block DiagramRAS AssemblyMCC808 P.C.B Outline of Air Conditioner Control Operation Description1 Compressor revolution range Power Factor Improvement ControlCapacity Control Current Release ControlIndoor Fan Control DC Fan Motor Prevent-Freezing Control5. P. M. V. Pulse Modulating Valve Louver ControlHeat Description of Operation CircuitOutdoor Fan Control DC Fan Motor COOL, DRYPrevent-freezing control Outdoor temperature release controlCurrent release control Louver control RpsECONO. operation control 5 Setting of air flowCold draft preventing control Heating OperationBasic control Starting and in stabilityDefrost control Temporary Cooling Operation Temporary OperationAutomatic Operation Temporary Auto OperationAuto Restart Function How to Set the Auto RestartOperation Motion Case of Power Failure during the Timer Operation How to Cancel the Auto RestartSTART/STOP button Remote ControllerParts Name of Remote Controller Name of Indications on Remote ControllerSafety Cautions Installation ProcedureRemark per EMC Directive 89/336/EEC Indoor Unit Optional Installation PartsElectrical Work Refrigerant Piping Connection Outdoor UnitFirst Confirmation HOW to Diagnose the TroubleConfirmation of Power Supply Confirmation of Power VoltageOperation Which is not a Trouble Program Operation Primary JudgmentOperation of air conditioner Description Check Block display Description for self-diagnosis Code Judgment by Flashing LED of Indoor UnitButton Self-Diagnosis by Remote Controller Check CodeOperation Control by Rated Frequency in Service Mode Self-DiagnosisBlock distinction Check outdoor heat exchanger temp Power is not turned on Does not operate entirely Judgment of Trouble by Every SymptomIndoor Unit Including Remote Controller Confirmation procedureYES Only the indoor fan does not operateCause How to examine whether remote controller is good or bad Check procedure Select phenomena described below Wiring Failure Interconnecting and Serial Signal WireOutdoor unit does not operate Check procedure Check Code 1C Miswiring in indoor/outdoor units and 1ESummarized Inner Diagnosis of Inverter Assembly How to Diagnose Trouble in Outdoor UnitDiagnosis/Process flowchart Contents Summary Inspection procedures How to Check Simply the Main PartsHow to Check the P.C. Board Indoor Unit Operating precautionsProcedure Check point Symptom Causes Check procedures10-8-2. P.C. Board Layout Sensor characteristic tableBottom View Position Resistance value Part name Checking procedureIndoor Unit Other Parts Outdoor UnitCase that product is good Checking Method for Each PartSymptom How to Simply Judge Whether Outdoor Fan Motor is Good or BadTo assemble the front panel HOW to Replace the Main PartsPart name Procedure Remarks 11-1 Indoor UnitRemoving Louver motor Board layout MicrocomputerDetachment No. Part name Procedure RemarksAttachment Part Be careful to check the inverter becauseHigh-voltage circuit is incorporated in it BundledLead wires Propeller Flange nut is loosened by turning clockwise Perform work on a corrugated cardboard Pulse modulating valve has a roomSide and B room side. After mounting it Check that coil at B room side RedParts name Qty Remarks Part name Procedure RemarksMCC-808 Part Description Exploded Views and Parts ListLocation 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