Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR, RAV-SM2802DT-TR service manual Fan motor

Page 105

No.

Part name

Work procedure

 

Remarks

 

 

 

 

 

 

 

1

Fan

<Fan motor>

 

 

 

 

 

assembly

1) Take off screws (Arrow mark indicating

1)

 

 

 

(Continued)

position) of the tightening band and then

 

 

 

 

 

 

remove the tightening band, the fixing bracket

 

 

 

 

 

 

and the fan motor.

 

 

 

 

2)Cut the bundling band (2 positions) that fix the protective tube (white) on the relay connector of the fan motor.

3)Remove the fan motor lead wire assembly and the protective tube from lead wire of the fan motor.

4)Mount the fan motor lead wire assembly and

the protective tube to the fan motor to be

1)

replaced, arrange the tube so that it covers the

 

relay connector and then fix it with bundling

 

band (2 positions).

 

5) Put the fan motor to be replaced on the motor

 

base.

 

Set the fan motor so that label of the model

 

name is at upper side when replaced.

Tightening band

 

 

(Ø4: 1 position for left/right each)

After replacement, assemble the fan motor in reverse order so that it becomes the same

status as that before replacement.

2), 3)

Relay connector

Be careful there is no loosening of screws

 

Protective tube

 

Fan motor lead wire

 

when assembling.

 

 

 

 

 

 

 

Check also that there is no fitting of fan with

 

 

 

 

 

 

fan case, no air discharge and no abnormal

 

 

 

 

 

 

sound

 

 

 

 

 

 

 

 

 

 

 

 

Fan motor lead

 

wire assembly

 

 

 

Fix the both ends of the

 

protective tube so that it

 

covers the relay connector section.

Fan motor

4)

 

 

 

 

 

5)

Fan motor model name label

Motor base

Fixing bracket

Tightening band

 

 

(Left): 2 pcs.

 

 

(Right): 2 pcs.

– 105 –

Image 105
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 unitOutline of specifications Remarks Control outlineOutside temp Correction value a Indoor formation Setup dataTa ˚C Cooling +1.5 Tc, Tcj TcnConditions 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. BoardBefore troubleshooting Troubleshooting procedureWired remote controller type Confirmation of error log Main remote controller RBC-AMT32EHow to read check monitor display ProcedureRemote controller switch monitoring function Check Code List Indoor Indoor unit detected Remote controller detectedCentral control devices detected Error mode detected by indoor unit Operation of diagnostic function Judgment and measuresCause of operation Status Error mode detected by outdoor unit AfterSeries H03 Current detection circuit error Stop Power supply error of remote controller, Indoor YES E09 errorE10 error E04 errorE18 error E08, L03, L07, L08 errorL09 error L20 error L30 errorP30 error Central controller P01 error P10 errorP19 error F01 error F02 errorC06 error 11 model connection interface E03 error Master indoor unit F29 errorP31 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. BoardSetting data read out from Eeprom C. Board for indoor unit servicing replacement proceduresCode No. required at least Contents Writing the setting data to Eeprom StepOperation 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 PushProcedure Confirmation of indoor unit No. positionTo 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 DescriptionWired Remote Controller Part NamesDisplay section Operation section Preparation Correct UsageStart StopPower Saving Mode Timer OperationPush button during operation SetAdvanced Settings Power saving modeEnergy 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 pipingAccessory Parts New Refrigerant Air Conditioner InstallationTo 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 flangeFAN Characteristics RAV-SM2242 TypeRAV-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 runConfirmation of error log Concealed Duct High Static PressureInstallation ManualConfirmation and check Status Error codes and parts to be checkedHow to replace the parts Fan assembly and replacement Part name Work procedure RemarksFan 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.

The RAV-SM2802DT-E is a powerful unit ideal for larger spaces, boasting a cooling capacity of 28,000 BTU/h and a heating capacity of 31,000 BTU/h. This model features a highly efficient inverter compressor, which adjusts the power consumption based on the cooling or heating demand, ensuring optimal energy use. This inverter technology not only reduces energy consumption but also maintains a stable indoor temperature for enhanced comfort.

On the other hand, the RAV-SM2242DT-E is tailored for mid-sized applications with a cooling capacity of 22,000 BTU/h and a heating capacity of 25,000 BTU/h. This model also embraces inverter technology, promoting lower operational costs while delivering reliable performance. Both units come with a high energy efficiency rating, reducing environmental impact and saving on utility bills.

One of the key characteristics of these Toshiba models is their advanced filtration system. Equipped with a high-performance filtration mechanism, they can effectively reduce dust, allergens, and other pollutants, ensuring a healthier indoor environment. The units also operate quietly, contributing to a peaceful atmosphere, whether in a home, office, or commercial space.

Both the RAV-SM2802DT-E and RAV-SM2242DT-E are designed with user convenience in mind. They come with a user-friendly remote control, allowing for easy adjustments and settings from anywhere in the room. Compatibility with smart home systems further enhances user experience by enabling remote monitoring and control through smartphones or tablets.

Constructed with durability in mind, these units are built to withstand diverse weather conditions, making them suitable for various climatic environments. Additionally, their aesthetic design allows for seamless integration into any setting, ensuring that performance does not compromise on looks.

In summary, Toshiba's RAV-SM2802DT-E and RAV-SM2242DT-E offer a blend of superior technology, energy efficiency, and user-friendly features. With their inverter technology, advanced filtration systems, and durable designs, these models represent Toshiba's commitment to quality and innovation in the HVAC industry. Whether for residential or commercial applications, these units guarantee comfort and reliability all year round.