Toshiba RAV-SM2242DT-TR Indoor Controller Block Diagram, Indoor unit #1 Header, Outdoor unit

Page 22

6. INDOOR CONTROL CIRCUIT

6-1. Indoor Controller Block Diagram

RAV-SM2242DT-E, RAV-SM2802DT-E / RAV-SM2242DT-TR, RAV-SM2802DT-TR

6-1-1. Connection of Wired (Simple) Remote Controller

Wired (Simple) Master remote controller	Schedule timer
(Max. 2 units)

Display part

Function

Display part

Driver

LCD

setup

LCD

LCD

Display part

CPU

Key switch

CN1

Function

LED

CN2

CPU

setup

Power supply

Key switch

DC5V

circuit

Remote controller

*3

Power supply

Secondary

communication

circuit

DC5V

battery

circuit

Indoor unit

#1 (Header)

A

B

#2

#3

Network adapter (Option)

(Follower)

(Follower)

A

B

A

B

Network adapter

Indoor control

P.C. board

P.C. board

(MCC-1403)

(MCC-1401)

Remote controller

communication

DC20V

Remote controller

circuit

communication

circuit

X

AI net

CPU

EEPROM

Y

communication

H8/3687

circuit

DC5V

DC5V

TA sensor

Power supply

Switch

Power supply

DC12V

CPU

TC sensor

Same as

Same as

circuit

set

circuit

left ∗2

left ∗2

H8/3039

TCJ sensor

Transformer

Driver

Float input

Central control

Drain

Serial send/

pump

remote controller

receive circuit

(Option)

(Sold separately)

AC synchronous

Outside

signal input circuit

output

1

2

3

1

2

3

START

ALARM

Indoor

Fan motor

READY

THERMO ON

fan motor

relay circuit

COOL

HEAT

FAN

Transformer

1

2

3

Outdoor

Outdoor

unit

unit

1

2

3

Outdoor unit

Max. 8 units are connectable. ∗1

∗1 However when mounting a network adapter while 2 wired (simple) remote controllers are connected, Max. 7 units are connectable.

∗2 A network adapter is mounted to only 1 unit.

∗3 Connection of schedule timer to the simple remote controller is unavailable.

– 22 –

Image 22

Contents Split Type Contents Original instruction Work undertaken Protective gear worn Explanation of indicationsExplanation of illustrated marks 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 Explanations given to user SpecificationsModel Sound power level dB Weight kg Cooling Heating RelocationCopper pipe Piping Safety Caution Concerned to New RefrigerantPipe Materials Flare nutR410A Conventional air ToolsGeneral tools Conventional tools can be used 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 3360Standard Middle static pressure F2 Wire connection change of fan motorLow static pressure F1 High static pressure F3Specifications of Electrical Parts Parts name Type SpecificationsIndoor unit #1 Header Indoor Controller Block DiagramConnection of Wired Simple Remote Controller 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 How to read check monitor display Main remote controller RBC-AMT32EConfirmation of error log 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 TA, TC, TCJ sensors Temperature Resistance value characteristic tableTemperature sensor TA, TC, TCJ 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 operationD203 Red Function Selection SetupLED Display on Indoor P.C. Board D002 Red TEMP. buttons, specify the Code No. DNContents Function selection item No. DN listHow to set wired remote controller as sub remote controller Wired remote controllerSetup method When connected 2 remote controllers operate an indoor unitContents Pushing Test button returns the display to usual display Calling of error historyGroup control operation System exampleIndoor unit power-ON sequence Power onModel Connection Interface Function Microprocessor block diagramModel connection interface wiring connection Model name TCB-PCNT30TLE2Wiring specifications C. board switch SW01 setupPush Test + Vent buttons for 4 seconds or more External view of P.C. board assemblyAddress setup 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 completionPush SET Button. OK when display goes on Push Test Using the temperature setup ButtonsUsing timer time Buttons, set the line address PushConfirmation of indoor unit No. position ProcedureTo know the position of indoor unit body by address Contents Precautions for Safety Concealed Duct High Static Pressure Relocation Symbol DescriptionExamples of indication on the carton Other cautions DescriptionPart Names Wired Remote ControllerDisplay section Operation section Start Correct UsagePreparation StopPush button during operation Timer OperationPower Saving Mode SetPower saving mode Advanced SettingsEnergy Saving Recommendations Maintenance List MaintenanceCleaning air filters Preparing for long Shut Down PeriodAIR Conditioner Operations and Performance InstallationDo not install the air conditioner in the following places Be careful with noise or vibrationsTroubleshooting SpecificationsInstallation Manual Definition of Protective Gear Work undertaken Protective gear wornGeneral Selection of installation locationElectrical wiring Refrigerant pipingNew Refrigerant Air Conditioner Installation Accessory PartsTo Disconnect the Appliance from Main Power Supply Installation space Unit mm Selection of Installation PlaceInstallation under high-humidity atmosphere Filter cleaning sign term settingInstallation of indoor unit External DimensionsInstallation of hanging bolt Installation of hanging boltDuct design Diagrams for making connecting flangesDuct installation example First floor Air outlet port flangeRAV-SM2242 Type FAN CharacteristicsRAV-SM2802 Type Low static pressure F1 Wire connection change of fan motorDrain Piping Work Standard Middle static pressure F2Drain up Connecting drain pipePipe material, size and insulator Check the drainingRefrigerant Piping Refrigerant Piping and EvacuatingHeat insulating process Liquid side refrigerant pipe connectionGas side refrigerant pipe connection EvacuationPower and Wiring Specification Wire connectionWiring diagram Electrical ConnectionWiring diagram Remote Controller WiringChanging of setting applicable control Applicable ControlsConcealed Duct High Static Pressure Procedure Remote controller switch monitoring functionFilter sign setting To secure better effect of heatingInstallation Manual Procedure Procedure exampleManual address setup procedure Group controlProcedure 8C OperationBefore test run Daily maintenanceTest 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

Related manuals

Manual 41 pages 43.38 Kb

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.