Toshiba RAV-SM562AT-E, RAV-SM802XT-E, RAV-SM802AT-E service manual Control Block Diagram, Pre Def

Page 17

FILE NO. SVM-06012

7. CONTROL BLOCK DIAGRAM

Heat Exchanger Sensor (TCJ)

Heat Exchanger Sensor (TC)

Temperature Sensor

Infrared Rays Signal Receiver

Indoor Unit Control Panel

M.C.U.

8 MHz

Functions

Louver Control

3-minute Delay at Restart for Compressor

Motor Revolution Control

Hi POWER

Display

FILTER Sign

Display

PRE DEF.

Sign Display

Infrared

Rays

36.7 kHz

Remote

Control

Initiallizing Circuit

Clock Frequence Oscillator Circuit

Power Supply

Circuit

Processing

(Temperature Processing)

Timer

Drain Pump ON/OFF

Serial Signal Communication

Louver ON/OFF Signal

Louver Driver

TIMER

Display

OPERATION

Display

Indoor Fan

Motor

Louver Motor

Noise Filter

Serial Signal

Transmitter/ Relay

Receiver RY401

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

– 15 –

Image 17
Contents AIR-CONDITIONER Contents Specifications Current Operation characteristic curve Cooling HeatingIndoor Unit Construction ViewsRAV-SM562XT-E / RAV-SM802XT-E Systematic Refrigerating Cycle DiagramColor Identification Wiring DiagramParts name Type Specifications Specification of Electrical PartsRefrigerant Piping Installation Safety During Installation/ServicingRefrigerant R410A Piping materials and joints usedProcessing of piping materials 1 Thicknesses of annealed copper pipes Thickness mmOuter diameter mm R410A R22 Clutch type Wing nut type Flare tool for R410A Conventional flare toolFlare tool for R22 Conventional flare tool Width Diameter·m kgf·m ·m kgf·cmGeneral tools Conventional tools can be used ToolsRequired tools Recharging of Refrigerant 1 Configuration of refrigerant chargingBrazing of Pipes Types of flux Noncorrosive flux Characteristics required for fluxActivated flux Filler FluxPRE DEF Control Block DiagramOperation mode selection When power supply is resetAir volume control Operation Description1 Cold draft preventing control Cool air discharge preventive controlHigh-temp release control Freeze preventive control Low temperature releaseLouver control Filter sign displayAuto Restart Function How to set auto restart functionOperation MotionsPower failure during timer operation How to cancel auto restart functionHow to turn off filter check lamp Filter Check LampSummary of Troubleshooting TroubleshootingBefore troubleshooting Troubleshooting procedureHow to use remote control in service mode Self-Diagnosis by Remote Control Check CodeJudgement and action No display in the setting at shipment Operation Caracteristics-3 TA sensor TC, TCJ sensor Caracteristics-1 Caracteristics-220 TE, TO, TS sensor TD sensor Caracteristics-4Remove 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 Indoor Unit E-Parts Assy Exploded Views and Parts ListAIR-GRILLE
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