Toshiba RAV-SM560XT-E, RAV-SM800XT-E service manual Control Block Diagram, Operation

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7. CONTROL BLOCK DIAGRAM

Heat Exchanger Sensor (TCJ)

Heat Exchanger Sensor (TC)

Temperature Sensor

Infrared Rays Signal Receiver

Initiallizing Circuit

Infrared

Rays

Clock Frequence

36.7kHz Oscillator Circuit

Indoor Unit Control Panel

M.C.U.

8 MHz

Functions

•Louver Control

•3-minute Delay at Restart for Compressor

•Motor Revolution Control

•Processing

(Temperature Processing)

•Timer

•Drain Pump ON/OFF

• Serial Signal Communication

Hi POWER

Display

FILTER Sign

Display

PRE DEF.

Sign Display

TIMER

Display

OPERATION

Display

Indoor Fan

Motor

Remote Control

Power Supply

Circuit

Noise Filter

Serial Signal

Transmitter/

Receiver

Relay

RY401

Louver ON/OFF Signal

Louver Driver

Louver Motor

Float

Switch

Drain

Pump

From Outdoor Unit

Serial Signal Communication

REMOTE CONTROL

Infrared Rays

Remote Control

Operation (START/STOP)

Operation Mode Selection

AUTO, COOL, DRY, HEAT, FAN ONLY

Temperature Setting

Fan Speed Selection

ON TIMER Setting

OFF TIMER Setting

Louver Auto Swing

Louver Direction Setting

ECO

Hi power

Filter Reset

– 21 –

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Contents AIR-CONDITIONER Contents Indoor Unit SpecificationsCurrent Operation characteristic curve Cooling HeatingRAV-SM560AT-E RAV-SM800AT-E Outdoor UnitConstruction Views Outdoor Unit RAV-SM560AT-E Outdoor Unit RAV-SM800AT-E RAV-SM560XT-E / RAV-SM560AT-E Systematic Refrigerating Cycle DiagramIndoor unit RAV-SM800XT-E / RAV-SM800AT-EColor Identification Wiring DiagramL N Board Parts name Type Specifications Specification of Electrical PartsPiping materials and joints used Safety During Installation/ServicingRefrigerant Piping Installation Refrigerant R410AProcessing of piping materials 1 Thicknesses of annealed copper pipes Thickness mmOuter diameter mm R410A R22 Width Clutch type Wing nut type·m kgf·m ·m kgf·cmGeneral tools Conventional tools can be used ToolsRequired tools Recharging of Refrigerant 1 Configuration of refrigerant chargingBrazing of Pipes Filler Flux Characteristics required for fluxTypes of flux Noncorrosive flux Activated fluxOperation Control Block DiagramOperation Description When power supply is resetOperation mode selection Air volume control1 Cold draft preventing control Cool air discharge preventive controlFilter sign display Freeze preventive control Low temperature releaseHigh-temp release control Louver controlMotions How to set auto restart functionAuto Restart Function OperationFilter Check Lamp How to cancel auto restart functionPower failure during timer operation How to turn off filter check lampConsole Installation Installation ProcedureInstallation Diagram of Indoor and Outdoor Units Under Ceiling InstallationTo Disconnect the Appliance from Main Power Supply Precautions for SafetyPage Parts to be procured locally Accessory parts and Parts to be procured locallyAccessory parts Avoid installing in the following places Selection of Installation PlaceBefore Installation Remove the Air inlet grille Installation PlaceRemote controller Remote controller usagePiping and Drain Hose Installation Install the indoor unitInstall the Suspension bolts Condition for InstallationConnect the Flexible pipe 5 to the large pipe Gas side Axis Cutting a hole and mounting the Installation plateUnit must not decline more than 15 mm in either Drainage Drain Piping WorkRefrigerant Piping Tightening connection Evacuating Heat insulation For RAV-SM560AT-E model Electrical Work Final Installation Checks LED indication and code checking Environment Troubleshooting procedure TroubleshootingSummary of Troubleshooting Before troubleshootingHow to use remote control in service mode Self-Diagnosis by Remote Control Check CodeJudgement and action No display in the setting at shipment Operation YES Troubleshooting for Each Check Code 1A errorError 1C error* Except RAV-SM560AT-E 1F error 1D error1E error Connector normal? TD sensor Caracteristics-4 TA sensor TC, TCJ sensor Caracteristics-1 Caracteristics-2Caracteristics-3 20 TE, TO, TS sensorPrimary check Inspection procedureCompressor does not operate Cooling and heating model Are all of compressor cords normal? Remove the Panel arms from the Front panel How to install the Air inlet grilleDetachments Open 3 Cap screws and remove the screws How to remove the Drain pan Refrigeration How to remove the Refrigeration assembly Assembly Pan assemblyFan motor Part name Procedures RemarksHow to remove the Multiblade fan Detachment No. Part name Procedure RemarksProcedure Remarks Requirement Connection with the power terminal Part name Procedure Remarks ‡ Compressor Perform works of items 1 ‚, ƒ, „, … Fan guard Remove the upper cabinet Discharge port cabinet for the heat ex Part name Requirement… Control P.C Remove the inverter box from P.C. board base Loosen the flange nut by turning clock † Compressor Perform works of items , ‚, ƒ, „, Ø4 x 10L , 2 pcs. per one reactor Product Indoor Unit E-Parts Assy Exploded Views and Parts ListAir Inlet Grille Inverter 21,22 16,17 702 TE Sensor TS Sensor To Sensor TD Sensor 701 705 703 704 Outdoor Unit Inverter Assy, RAV-SM560AT-EOutdoor Unit Inverter Assy, RAV-SM800AT-E Inverter BOX