Toshiba RAV-SM2242DT-TR, RAV-SM2802DT-E, RAV-SM2802DT-TR service manual Ta ˚C Cooling +1.5

Page 25

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

 

 

cooling operation

 

 

(Thermo. OFF) exchanges to cooling operation.

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

 

 

 

 

 

 

 

 

 

 

 

(Cooling ON)

 

 

 

or

Tsc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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
Contents Split Type Contents Original instruction Explanation of illustrated marks Explanation of indicationsWork undertaken Protective gear worn Indication ExplanationDescription Confirmation of warning label on the main unitPrecaution for Safety Proceeding with the repair work Refrigerant used by this air conditioner is the R410A Resistance and water drainage Model Sound power level dB Weight kg Cooling Heating SpecificationsExplanations given to user RelocationPipe Materials Safety Caution Concerned to New RefrigerantCopper pipe Piping Flare nutGeneral tools Conventional tools can be used ToolsR410A Conventional air Used tool UsageModel Indoor unit Concealed Duct High static pressure TypeRAV-SM2242DT-TR RAV-SM2802DT-TR Concealed Duct High static pressure Type ContinedSM2242DT-E Indoor UnitIndoor unit Dimension tableUnit Indoor100 RAV-SM2242 type350 300 250 200 150 100 3200 3360 RAV-SM2802 typeLow static pressure F1 Wire connection change of fan motorStandard Middle static pressure F2 High static pressure F3Parts name Type Specifications Specifications of Electrical PartsConnection of Wired Simple Remote Controller Indoor Controller Block DiagramIndoor unit #1 Header Outdoor unitControl outline Outline of specifications RemarksOutside temp Correction value a Indoor formation Setup dataTa ˚C Cooling +1.5 Tcn Tc, TcjConditions Tc n Control temp. C Setup at shipmentHeat Case of wired remote controllerUsual control MCC-1403 Print Circuit BoardFunction Connector Pin Specifications Remarks Optional Connector Specifications of Indoor P.C. BoardTroubleshooting procedure Before troubleshootingWired remote controller type Confirmation of error log Main remote controller RBC-AMT32EHow to read check monitor display ProcedureRemote controller switch monitoring function Remote controller detected Check Code List Indoor Indoor unit detectedCentral control devices detected Operation of diagnostic function Judgment and measures Error mode detected by indoor unitCause of operation Status After Error mode detected by outdoor unitSeries H03 Current detection circuit error Stop Power supply error of remote controller, Indoor YES E09 errorE10 error E04 errorE08, L03, L07, L08 error E18 errorL09 error L30 error L20 errorP30 error Central controller P01 error P10 errorP19 error F01 error F02 errorC06 error 11 model connection interface F29 error E03 error Master indoor unitP31 error Follower indoor unit Temperature sensor TA, TC, TCJ Temperature Resistance value characteristic tableTA, TC, TCJ sensors Representative valueResistance value Part name Checking procedureReplacement procedures Replacement of Service P.C. BoardC. Board for indoor unit servicing replacement procedures Setting data read out from EepromCode No. required at least Contents Step Writing the setting data to EepromOperation is available again Indoor unit capacity Code No Type Code NoPractical operation Test Run Setup on Remote Controller Wired remote controllerLED Display on Indoor P.C. Board D002 Red Function Selection SetupD203 Red TEMP. buttons, specify the Code No. DNFunction selection item No. DN list ContentsSetup method Wired remote controllerHow to set wired remote controller as sub remote controller When connected 2 remote controllers operate an indoor unitContents Group control operation Calling of error historyPushing Test button returns the display to usual display System examplePower on Indoor unit power-ON sequenceModel connection interface wiring connection Microprocessor block diagramModel Connection Interface Function Model name TCB-PCNT30TLE2C. board switch SW01 setup Wiring specificationsAddress setup External view of P.C. board assemblyPush Test + Vent buttons for 4 seconds or more Push Test buttonDuring unset time, At shipment from factory is displayed Code No Data at shipment Setup data range Address Setup & Group Control Terminology System ConfigurationOnly turning on source power supply Automatic completion Automatic Address Example from Unset Address No miswiringUsing timer time Buttons, set the line address Using the temperature setup ButtonsPush SET Button. OK when display goes on Push Test PushConfirmation of indoor unit No. position ProcedureTo know the position of indoor unit body by address Contents Precautions for Safety Examples of indication on the carton Symbol DescriptionConcealed Duct High Static Pressure Relocation Other cautions DescriptionPart Names Wired Remote ControllerDisplay section Operation section Preparation Correct UsageStart StopPower Saving Mode Timer OperationPush button during operation SetPower saving mode Advanced SettingsEnergy Saving Recommendations Cleaning air filters MaintenanceMaintenance List Preparing for long Shut Down PeriodDo not install the air conditioner in the following places InstallationAIR Conditioner Operations and Performance Be careful with noise or vibrationsSpecifications TroubleshootingInstallation Manual Work undertaken Protective gear worn Definition of Protective GearElectrical wiring Selection of installation locationGeneral Refrigerant pipingNew Refrigerant Air Conditioner Installation Accessory PartsTo Disconnect the Appliance from Main Power Supply Installation under high-humidity atmosphere Selection of Installation PlaceInstallation space Unit mm Filter cleaning sign term settingInstallation of hanging bolt External DimensionsInstallation of indoor unit Installation of hanging boltDuct installation example First floor Diagrams for making connecting flangesDuct design Air outlet port flangeRAV-SM2242 Type FAN CharacteristicsRAV-SM2802 Type Drain Piping Work Wire connection change of fan motorLow static pressure F1 Standard Middle static pressure F2Pipe material, size and insulator Connecting drain pipeDrain up Check the drainingHeat insulating process Refrigerant Piping and EvacuatingRefrigerant Piping Liquid side refrigerant pipe connectionEvacuation Gas side refrigerant pipe connectionWiring diagram Wire connectionPower and Wiring Specification Electrical ConnectionChanging of setting applicable control Remote Controller WiringWiring diagram Applicable ControlsFilter sign setting Remote controller switch monitoring functionConcealed Duct High Static Pressure Procedure To secure better effect of heatingManual address setup procedure Procedure exampleInstallation Manual Procedure Group control8C Operation ProcedureTest RUN Daily maintenanceBefore test run Execute a test runConcealed Duct High Static PressureInstallation Manual Confirmation of error logConfirmation and check Status Error codes and parts to be checkedPart name Work procedure Remarks How to replace the parts Fan assembly and replacementFan assembly Fan/Fan case Pull out the fan assembly a fan toward you104 Fan motor 2242DT-E Location Description215, 216 219 218 214218 213 108 Check of Concentration Limit Toshiba Carrier Corporation
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RAV-SM2802DT-TR, RAV-SM2242DT-TR, RAV-SM2802DT-E specifications

Toshiba has long been a leader in heating, ventilation, and air conditioning (HVAC) technology, offering innovative solutions that cater to both residential and commercial needs. Among their impressive lineup, the Toshiba RAV-SM2802DT-E and RAV-SM2242DT-E stand out as exceptional models designed for efficiency, performance, and comfort.

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