Toshiba RAV-SM2242DT-TR, RAV-SM2802DT-E, RAV-SM2802DT-TR service manual Dimension table, Indoor unit

Page 16

3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM

3-1. Indoor Unit

RAV-SM2242DT-E, RAV-SM2802DT-E

RAV-SM2242DT-TR, RAV-SM2802DT-TR

Distributor

Indoor unit

 

 

 

 

(Strainer

TCJ sensor

 

 

 

 

incorporated)

 

 

 

 

 

 

 

Air heat

 

 

 

 

 

 

 

 

 

 

 

TC sensor

 

 

exchanger

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant pipe

Refrigerant pipe

at liquid side ØB

at gas side ØA

To outdoor unit

Heating

 

 

To outdoor unit

Cooling

 

 

 

 

 

 

Dimension table

Indoor unit

Outer diameter of refrigerant pipe

 

 

Gas side ØA

Liquid side ØB

 

 

 

 

SM224, SM280 type

28.6

12.7

 

 

 

– 16 –

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Page 15 Page 17
Contents Split Type Contents Original instruction Explanation of indications Explanation of illustrated marksWork undertaken Protective gear worn Indication ExplanationConfirmation of warning label on the main unit DescriptionPrecaution for Safety Proceeding with the repair work Refrigerant used by this air conditioner is the R410A Resistance and water drainage Specifications Model Sound power level dB Weight kg Cooling HeatingExplanations given to user RelocationSafety Caution Concerned to New Refrigerant Pipe MaterialsCopper pipe Piping Flare nutTools General tools Conventional tools can be usedR410A Conventional air Used tool UsageConcealed Duct High static pressure Type Model Indoor unitConcealed Duct High static pressure Type Contined RAV-SM2242DT-TR RAV-SM2802DT-TRIndoor Unit SM2242DT-EDimension table Indoor unitIndoor UnitRAV-SM2242 type 100RAV-SM2802 type 350 300 250 200 150 100 3200 3360Wire connection change of fan motor Low static pressure F1Standard Middle static pressure F2 High static pressure F3Specifications of Electrical Parts Parts name Type SpecificationsIndoor Controller Block Diagram Connection of Wired Simple Remote ControllerIndoor unit #1 Header Outdoor unitControl outline Outline of specifications RemarksOutside temp Correction value a Setup data Indoor formationTa ˚C Cooling +1.5 Tcn Tc, TcjConditions Tc n Setup at shipment Control temp. CCase of wired remote controller HeatUsual control Print Circuit Board MCC-1403Optional Connector Specifications of Indoor P.C. Board Function Connector Pin Specifications RemarksTroubleshooting procedure Before troubleshootingWired remote controller type Main remote controller RBC-AMT32E Confirmation of error logHow 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 E09 error YESE04 error E10 errorE08, L03, L07, L08 error E18 errorL09 error L30 error L20 errorP30 error Central controller P10 error P01 errorP19 error F02 error F01 errorC06 error 11 model connection interface F29 error E03 error Master indoor unitP31 error Follower indoor unit Temperature Resistance value characteristic table Temperature sensor TA, TC, TCJTA, TC, TCJ sensors Representative valuePart name Checking procedure Resistance valueReplacement of Service P.C. Board Replacement proceduresC. 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 Type Code No Indoor unit capacity Code NoTest Run Setup on Remote Controller Wired remote controller Practical operationFunction Selection Setup LED Display on Indoor P.C. Board D002 RedD203 Red TEMP. buttons, specify the Code No. DNContents Function selection item No. DN listWired remote controller Setup methodHow to set wired remote controller as sub remote controller When connected 2 remote controllers operate an indoor unitContents Calling of error history Group control operationPushing Test button returns the display to usual display System exampleIndoor unit power-ON sequence Power onMicroprocessor block diagram Model connection interface wiring connectionModel Connection Interface Function Model name TCB-PCNT30TLE2Wiring specifications C. board switch SW01 setupExternal view of P.C. board assembly Address setupPush 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 System Configuration Address Setup & Group Control TerminologyAutomatic Address Example from Unset Address No miswiring Only turning on source power supply Automatic completionUsing the temperature setup Buttons Using timer time Buttons, set the line addressPush 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 Symbol Description Examples of indication on the cartonConcealed Duct High Static Pressure Relocation Other cautions DescriptionPart Names Wired Remote ControllerDisplay section Operation section Correct Usage PreparationStart StopTimer Operation Power Saving ModePush button during operation SetPower saving mode Advanced SettingsEnergy Saving Recommendations Maintenance Cleaning air filtersMaintenance List Preparing for long Shut Down PeriodInstallation Do not install the air conditioner in the following placesAIR Conditioner Operations and Performance Be careful with noise or vibrationsTroubleshooting SpecificationsInstallation Manual Definition of Protective Gear Work undertaken Protective gear wornSelection of installation location Electrical wiringGeneral Refrigerant pipingNew Refrigerant Air Conditioner Installation Accessory PartsTo Disconnect the Appliance from Main Power Supply Selection of Installation Place Installation under high-humidity atmosphereInstallation space Unit mm Filter cleaning sign term settingExternal Dimensions Installation of hanging boltInstallation of indoor unit Installation of hanging boltDiagrams for making connecting flanges Duct installation example First floorDuct design Air outlet port flangeRAV-SM2242 Type FAN CharacteristicsRAV-SM2802 Type Wire connection change of fan motor Drain Piping WorkLow static pressure F1 Standard Middle static pressure F2Connecting drain pipe Pipe material, size and insulatorDrain up Check the drainingRefrigerant Piping and Evacuating Heat insulating processRefrigerant Piping Liquid side refrigerant pipe connectionGas side refrigerant pipe connection EvacuationWire connection Wiring diagramPower and Wiring Specification Electrical ConnectionRemote Controller Wiring Changing of setting applicable controlWiring diagram Applicable ControlsRemote controller switch monitoring function Filter sign settingConcealed Duct High Static Pressure Procedure To secure better effect of heatingProcedure example Manual address setup procedureInstallation Manual Procedure Group controlProcedure 8C OperationDaily maintenance Test RUNBefore test run Execute a test runConcealed Duct High Static PressureInstallation Manual Confirmation of error logConfirmation and check Error codes and parts to be checked StatusPart name Work procedure Remarks How to replace the parts Fan assembly and replacementFan assembly Pull out the fan assembly a fan toward you Fan/Fan case104 Fan motor Location Description 2242DT-E215, 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.
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