Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM2242DT-TR 25, Ta ˚C Cooling, +1.5, Heating, Item, Outline of specifications

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

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Page 25

Ta (˚C) Cooling

No.	Item			Outline of specifications					Remarks

5	Automatic cooling/	1) The judgment of selecting COOL/HEAT is carried out
	heating control	as shown below. When exceeding +1.5 against Tsh							Tsc: Setup temp. in
		10 minutes and after thermo.-OFF, heating operation							Tsc: Setup temp. in
		10 minutes and after thermo.-OFF, heating operation							cooling operation
		(Thermo. OFF) exchanges to cooling operation.							Tsh: Setup temp. in
		Description in the parentheses shows an example of							Tsh: Setup temp. in
		Description in the parentheses shows an example of							heating operation
		cooling ON/OFF.							+ temp. correction of
									room temp. control
		Ta (˚C) Cooling
			+1.5
			+1.5				(Cooling ON)
		or	Tsc				(Cooling ON)


			Tsh

(Cooling OFF)

-1.5

Heating

WWhen –1.5 or more lowers against Tsc 10 minutes and after thermo. OFF, cooling operation (Thermo. OFF) exchanges to heating operation.

2)For the automatic capacity control after judgment of cooling/heating, see Item 4.

3)For temperature correction of room temp. control in automatic heating, see Item 3.

6 Cool air discharge	1) In heating operation, the indoor fan is controlled	In A zone, [PRE-HEAT
preventive control	based on the detected temperature of Tc sensor or Tcj	(Heating ready)] is
	sensor. As shown below, the upper limit of the	displayed.
	revolution frequency is restricted.

However B zone is assumed as C zone for 6 minutes and after when the compressor activated.

In defrost operation, the control value of Tc or Tcj are shifted by 6°C.

Tc	(˚C)
Tcj
	HH
	26
	B zone
	OFF
	16
	A zone

– 25 –

Image 25

Toshiba RAV-SM2242DT-TR, RAV-SM2802DT-E 25, Ta ˚C Cooling, +1.5, Heating, Item, Outline of specifications, Remarks

Contents

SERVICE MANUAL SPLIT TYPE INDOOR UNIT <DIGITAL INVERTER>R410A FILE NO. A10-001 Revised: May,CONTENTS Generic Denomination: Air Conditioner Original instruction– 3 – Work undertaken – 4 –Protective gear worn IndicationBURST HAZARD Warning Indications on the Air Conditioner Unit– 5 – Warning indicationDENGER Precaution for Safety– 6 – – 7 – – 8 – – 9 – Weight kg Sound power level dB– 10 – Model1 Copper pipe <Piping> New Refrigerant R410A<Flare nut> 2JointGeneral tools Conventional tools can be used 4.Tools– 12 – – 13 – 1-1-1.Concealed Duct High static pressure TypeModel Indoor unitModel – 14 –Indoor unit RAV-SM2242DT-TR– 15 – 2. CONSTRUCTION VIEWS EXTERNAL VIEWSIndoor Unit SM2242DT-EIndoor unit – 16 –Indoor unit Outer diameter of refrigerant pipeControl P.C. Board – 17 –for Indoor Unit E,RAV-SM2802DT-E -TR,RAV-SM2802DT-TR– 18 – 4-2.Fan Characteristics– 19 – REQUIREMENTLow static pressure F1 Fan motor wiringStandard Middle static pressure F2 High static pressure F3Specifications 5. SPECIFICATIONS OF ELECTRICAL PARTS5-1.Indoor Unit – 21 –6. INDOOR CONTROL CIRCUIT 6-1.Indoor Controller Block Diagram– 22 – Indoor unit– 23 – Outline of specificationsItem RemarksItem – 24 –Remarks – 25 – Outline of specificationsTa ˚C Cooling +1.5K 2 J Outline of specifications– 26 – RemarksSetup at shipment Outline of specifications– 27 – Item<In case of wired remote controller> Outline of specifications– 28 – Item– 29 – Outline of specificationsItem RemarksPrint Circuit Board 6-3.Indoor– 30 – <MCC-1403>Specifications Connector– 31 – Function– 32 – <Wired remote controller type>Trouble Confirmation of check code displayProcedure How to read check monitor displayProcedure ProcedurenRemote controller switch monitoring function 2 4 13– 34 – Page Operation of diagnostic function Error mode detected by indoor unit– 36 – Judgment and measures– 37 – Error mode detected by outdoor unit– 38 – Operation of diagnostic functionCheck code Judgment and measures– 39 – E09 error Check code E01 error– 40 – E10 error E04 error– 41 – E08, L03, L07, L08 error E18 errorL09 error – 42 –L30 error L20 errorP30 error Central controller – 43 –P01 error P10 error– 44 – – 45 – P19 errorF01 error F02 error– 46 – – 47 – C06 error 1:1 model connection interfaceF29 error E03 error Master indoor unitP31 error Follower indoor unit – 48 –TA, TC, TCJ sensors Temperature sensor TA, TC, TCJ– 49 – Temperature– 50 – Checking procedurePart name Resistance valuePage Contents 1 Setting data read out from EEPROM– 52 – CODE No. required at least– 53 – 3 6Step StepSetting data Setting dataSetting data – 54 –9-1-1.Test Run Setup on Remote Controller 3 4 5 6<Wired remote controller> Preparation in advance1 2 3 4 5 6 END 4 5 29-1-4.Function Selection Setup Using the set temperatureFunction selection item No. DN list ContentsItem Setup method <Wired remote controller>Operation nCalling of sensor temperature display <Procedure>– 59 – <Procedure> nCalling of error historyGroup control operation – 60 –– 61 – nIndoor unit power-ONsequence2. Microprocessor block diagram 9-2.Setup at Local Site / Others9-2-1.1:1 Model Connection Interface 1. Function – 62 –5. P.C. board switch SW01 setup 4.Wiring specifications– 63 – 3 1 4 1 2 36. External view of P.C. board assembly 7.Address setupPage 10-1.Address Setup Procedure 10. ADDRESS SETUP– 66 – – 67 – 10-2-1.System Configuration1.Standard One outdoor unit 1Single – 68 –2.Group operation 3, 6, 9 4, 7, 2, 5,1 2 3 4 5 6 7 8 9 10 11 END 1 2 3 END 1 2 ENDnConfirmation of indoor unit No. position – 70 –11. OWNER’S MANUAL ContentsInstallation 1 PRECAUTIONS FOR SAFETY– 72 – nWarning Indications on the Air Conditioner UnitSymbol Symbol– 73 – Examples of indication on the carton2 PART NAMES 3 WIRED REMOTE CONTROLLER2 Error display 3 SETTING display5 7 8 9 11 12 1 2 3 4Remote controller sensor 13 Remote controller sensor displayWhen restarting the operation after stop 4 CORRECT USAGE– 76 – nPreparation6 POWER SAVING MODE 5 TIMER OPERATION1 2 3 Example of remote control display • 23.5 hours ∗18 ENERGY SAVING RECOMMENDATIONS 7 ADVANCED SETTINGSnPower saving mode When the protective device is activatedCleaning air filters 9 MAINTENANCEMaintenance List Cleaning remote controller10 AIR CONDITIONER OPERATIONS AND PERFORMANCE 11 INSTALLATIONPower failure Heating characteristics Preheating operation13 SPECIFICATIONS 12 TROUBLESHOOTINGSound power level dB Declaration of Conformity12. INSTALLATION MANUAL ContentsInstallation Manual Installation Manual– 83 – nWarning Indications on the Air Conditioner UnitSelection of installation location 1 PRECAUTIONS FOR SAFETYInstallation Electrical wiringNew Refrigerant Air Conditioner Installation 2 ACCESSORY PARTSInstallation Manual Installation ManualnInstallation under high-humidityatmosphere 3 SELECTION OF INSTALLATION PLACEn Installation space nFilter cleaning sign term settingn External Dimensions 4 INSTALLATIONnInstallation of hanging bolt nInstallation of indoor unit<Air inlet port connecting flange> n Diagrams for making connecting flanges<Duct installation example First floor> Installation ManualInstallation Manual 5 FAN CHARACTERISTICSInstallation Manual 89 –nWire connection change of fan motor 6 DRAIN PIPING WORKInstallation Manual Installation ManualInstallation Manual nConnecting drain pipeInstallation Manual 91 –Installation Manual 7 REFRIGERANT PIPING AND EVACUATINGInstallation Manual – 92 –– 93 – Installation ManualnGas side refrigerant pipe connection nEvacuationnWire connection 8 ELECTRICAL CONNECTIONnWiring diagram nPower and Wiring SpecificationnRemote Controller Wiring 9 APPLICABLE CONTROLSnChanging of setting applicable control Wiring diagramnRemote controller switch monitoring function nPower saving modenFilter sign setting Concealed Duct High Static Pressure ProcedureProcedure Procedure exampleManual address setup procedure Installation Manual ProcedureProcedure ProcedureConcealed Duct High Static Pressure Procedure Installation Manual10 TEST RUN 11 MAINTENANCE<Daily maintenance> Cleaning of air filternConfirmation of error log 12 TROUBLESHOOTINGMaintenance List ProcedureInstallation Manual nError codes and parts to be checkedInstallation Manual Parts to be checked / error descriptionAir blower assembly 2 fans type Air blower assembly 1 fan typeWork procedure <Fan assembly>– 103 – Work procedurePart name Remarks104 Work procedurePart name Remarks– 105 – Work procedurePart name Remarks206, 204, 211– 106 – Location218 214218 213 215, 216,107 Location– 108 – Check of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGETOSHIBA CARRIER CORPORATION