Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR service manual Indoor, Print Circuit Board, 30, <MCC-1403>

Models: RAV-SM2802DT-TR RAV-SM2242DT-TR RAV-SM2802DT-E

1 110

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	Power transformer (Secondary side)
Power supply	(AC11V, 14V, 20V)
Power supply
	Microcomputer
	operation LED	EEPROM

Power transformer (Primary side) (AC240V)

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Drain pump output

Optional power supply

	EXCT	TA sensor	Outside
AC fan output		TA sensor	error input
AC fan output			error input
	Filter/Option error input		TC sensor
	Filter/Option error input
			TCJ sensor
		Float SW
		∗ Short plug is inserted

DISP CHK

<MCC-1403>	6-3. Indoor
	Print Circuit Board

Remote controller power supply LED

Optional output

Remote controller inter-unit wire

Used for servicing

∗1 No function

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Image 30

Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR, RAV-SM2802DT-TR service manual Indoor, Print Circuit Board, 30, <MCC-1403>

Contents

R410A INDOOR UNIT <DIGITAL INVERTER>SERVICE MANUAL SPLIT TYPE FILE NO. A10-001 Revised: May,CONTENTS Original instruction Generic Denomination: Air Conditioner– 3 – Protective gear worn – 4 –Work undertaken Indication– 5 – Warning Indications on the Air Conditioner UnitBURST HAZARD Warning indicationPrecaution for Safety DENGER– 6 – – 7 – – 8 – – 9 – – 10 – Sound power level dBWeight kg Model<Flare nut> New Refrigerant R410A1 Copper pipe <Piping> 2Joint4.Tools General tools Conventional tools can be used– 12 – Model 1-1-1.Concealed Duct High static pressure Type– 13 – Indoor unitIndoor unit – 14 –Model RAV-SM2242DT-TRIndoor Unit 2. CONSTRUCTION VIEWS EXTERNAL VIEWS– 15 – SM2242DT-EIndoor unit – 16 –Indoor unit Outer diameter of refrigerant pipefor Indoor Unit – 17 –Control P.C. Board E,RAV-SM2802DT-E -TR,RAV-SM2802DT-TR4-2.Fan Characteristics – 18 –REQUIREMENT – 19 –Standard Middle static pressure F2 Fan motor wiringLow static pressure F1 High static pressure F35-1.Indoor Unit 5. SPECIFICATIONS OF ELECTRICAL PARTSSpecifications – 21 –– 22 – 6-1.Indoor Controller Block Diagram6. INDOOR CONTROL CIRCUIT Indoor unitItem Outline of specifications– 23 – Remarks– 24 – ItemRemarks Ta ˚C Cooling Outline of specifications– 25 – +1.5– 26 – Outline of specificationsK 2 J Remarks– 27 – Outline of specificationsSetup at shipment Item– 28 – Outline of specifications<In case of wired remote controller> ItemItem Outline of specifications– 29 – Remarks– 30 – 6-3.IndoorPrint Circuit Board <MCC-1403>– 31 – ConnectorSpecifications FunctionTrouble <Wired remote controller type>– 32 – Confirmation of check code displayProcedure How to read check monitor displayProcedure Procedure2 4 13 nRemote controller switch monitoring function– 34 – Page – 36 – Error mode detected by indoor unitOperation of diagnostic function Judgment and measuresError mode detected by outdoor unit – 37 –Check code Operation of diagnostic function– 38 – Judgment and measures– 39 – Check code E01 error E09 error– 40 – E04 error E10 error– 41 – L09 error E18 errorE08, L03, L07, L08 error – 42 –P30 error Central controller L20 errorL30 error – 43 –P10 error P01 error– 44 – P19 error – 45 –F02 error F01 error– 46 – C06 error 1:1 model connection interface – 47 –P31 error Follower indoor unit E03 error Master indoor unitF29 error – 48 –TA, TC, TCJ sensors Temperature sensor TA, TC, TCJTemperature – 49 –Part name Checking procedure– 50 – Resistance valuePage – 52 – 1 Setting data read out from EEPROMContents CODE No. required at leastStep 3 6 5– 53 – StepSetting data Setting dataSetting data – 54 –<Wired remote controller> 3 4 5 69-1-1.Test Run Setup on Remote Controller Preparation in advance9-1-4.Function Selection Setup 4 5 21 2 3 4 5 6 END Using the set temperatureFunction selection item No. DN list Contents– 57 – Item<Wired remote controller> Setup methodOperation nCalling of sensor temperature display <Procedure>– 59 – Group control operation nCalling of error history<Procedure> – 60 –nIndoor unit power-ONsequence – 61 –9-2-1.1:1 Model Connection Interface 1. Function 9-2.Setup at Local Site / Others2. Microprocessor block diagram – 62 –4.Wiring specifications 5. P.C. board switch SW01 setup– 63 – 6. External view of P.C. board assembly 1 2 33 1 4 7.Address setup– 65 – 10. ADDRESS SETUP 10-1.Address Setup Procedure– 66 – 10-2-1.System Configuration – 67 –– 68 – 1.Standard One outdoor unit 1Single2.Group operation 2, 5, 3, 6, 9 4, 7,1 2 3 4 5 6 7 8 9 10 11 END nConfirmation of indoor unit No. position 1 2 END1 2 3 END – 70 –Contents 11. OWNER’S MANUAL– 72 – 1 PRECAUTIONS FOR SAFETYInstallation nWarning Indications on the Air Conditioner Unit– 73 – SymbolSymbol Examples of indication on the carton2 Error display 3 WIRED REMOTE CONTROLLER2 PART NAMES 3 SETTING displayRemote controller sensor 1 2 3 45 7 8 9 11 12 13 Remote controller sensor display– 76 – 4 CORRECT USAGEWhen restarting the operation after stop nPreparation1 2 3 5 TIMER OPERATION6 POWER SAVING MODE Example of remote control display • 23.5 hours ∗1nPower saving mode 7 ADVANCED SETTINGS8 ENERGY SAVING RECOMMENDATIONS When the protective device is activatedMaintenance List 9 MAINTENANCECleaning air filters Cleaning remote controllerPower failure 11 INSTALLATION10 AIR CONDITIONER OPERATIONS AND PERFORMANCE Heating characteristics Preheating operationSound power level dB 12 TROUBLESHOOTING13 SPECIFICATIONS Declaration of ConformityContents 12. INSTALLATION MANUAL– 83 – Installation ManualInstallation Manual nWarning Indications on the Air Conditioner UnitInstallation 1 PRECAUTIONS FOR SAFETYSelection of installation location Electrical wiringInstallation Manual 2 ACCESSORY PARTSNew Refrigerant Air Conditioner Installation Installation Manualn Installation space 3 SELECTION OF INSTALLATION PLACEnInstallation under high-humidityatmosphere nFilter cleaning sign term settingnInstallation of hanging bolt 4 INSTALLATIONn External Dimensions nInstallation of indoor unit<Duct installation example First floor> n Diagrams for making connecting flanges<Air inlet port connecting flange> Installation ManualInstallation Manual 5 FAN CHARACTERISTICSInstallation Manual 89 –Installation Manual 6 DRAIN PIPING WORKnWire connection change of fan motor Installation ManualInstallation Manual nConnecting drain pipeInstallation Manual 91 –Installation Manual 7 REFRIGERANT PIPING AND EVACUATINGInstallation Manual – 92 –nGas side refrigerant pipe connection Installation Manual– 93 – nEvacuationnWiring diagram 8 ELECTRICAL CONNECTIONnWire connection nPower and Wiring SpecificationnChanging of setting applicable control 9 APPLICABLE CONTROLSnRemote Controller Wiring Wiring diagramnFilter sign setting nPower saving modenRemote controller switch monitoring function Concealed Duct High Static Pressure ProcedureManual address setup procedure Procedure exampleProcedure Installation Manual ProcedureConcealed Duct High Static Pressure Procedure ProcedureProcedure Installation Manual<Daily maintenance> 11 MAINTENANCE10 TEST RUN Cleaning of air filterMaintenance List 12 TROUBLESHOOTINGnConfirmation of error log ProcedureInstallation Manual nError codes and parts to be checkedInstallation Manual Parts to be checked / error descriptionWork procedure Air blower assembly 1 fan typeAir blower assembly 2 fans type <Fan assembly>Part name Work procedure– 103 – RemarksPart name Work procedure– 104 – RemarksPart name Work procedure– 105 – Remarks– 106 – 204, 211206, Location– 107 – 215, 216,218 214218 213 Location– 108 – WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration LimitTOSHIBA CARRIER CORPORATION

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<MCC-1403>

6-3. Indoor

Print Circuit Board