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Toshiba RAS-10SAV-A, RAS-10SAV-E, RAS-10SKV-A, RAS-10SKV-E 8. CONTROL BLOCK DIAGRAM, 8-1.Indoor Unit, REMOTE CONTROL

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FILE NO. SVM-07008

8. CONTROL BLOCK DIAGRAM

8-1. Indoor Unit

Indoor Unit Control Panel

M.C.U

Functions

Heat Exchanger Sensor

Operation

•

Louver Control

Display

•

Timer

Temperature Sensor

3-minute Delay at Restart for Compressor

Display

•

Motor Revolution Control

Infrared Rays Signal Receiver

Infrared

Initiallizing Circuit

•

Processing

(Temperature Processing)

Rays

Clock Frequency

•

Timer

Indoor

36.7KHz

Oscillator Circuit

Fan Motor

•

Serial Signal Communication

Power Supply

Remote

Circuit

Louver ON/OFF Signal

Control

Noise Filter

Louver Driver

Louver Motor

Serial Signal Transmitter/Receiver

From Outdoor Unit

Serial Signal Communication

REMOTE CONTROL

Infrared Rays

Remote Control

Operation ()

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

One Touch

– 22 –

Contents

Page SAFETY PRECAUTIONS SPECIFICATIONS REFRIGERANT R410A CONSTRUCTION VIEWS WIRING DIAGRAM 1. SAFETY PRECAUTIONS CAUTION DANGER DANGER: HIGH VOLTAGE WARNING 2. SPECIFICATIONS 2-1.Specifications 2-2.Operation Characteristic Curve 3. REFRIGERANT R410A 3-1.Safety During Installation/Servicing 3-2.Refrigerant Piping Installation 3-2-1.Piping Materials and Joints Used 3-2-2.Processing of Piping Materials Fig. 3-2-1Flare processing dimensions Table 3-2-3Dimensions related to flare processing for R410A Outer A (mm) Nominal Table 3-2-6Flare and flare nut dimensions for R22 Fig. 3-2-2Relations between flare nut and flare seal surface 2.Flare Connecting Procedures and Precautions Table 3-2-7Tightening torque of flare for R410A [Reference values] Tightening torque 3-3.Tools 3-3-1.Required Tools 3-4.Recharging of Refrigerant 3-5.Brazing of Pipes 3-5-1.Materials for Brazing 3-5-2.Flux 3-5-3.Brazing Never use gas other than Nitrogen gas 4. CONSTRUCTION VIEWS 4-1.Indoor Unit 4-2.Outdoor Unit 5. WIRING DIAGRAM 5-1.Indoor Unit 5-2.Outdoor Unit 6-1.Indoor Unit 6-2.Outdoor Unit (RAS-10SAV-E, RAS-10SAV-A) Rating 7. REFRIGERANT CYCLE DIAGRAM 7-1.Refrigerant Cycle Diagram Operation Data 8. CONTROL BLOCK DIAGRAM 8-1.Indoor Unit 8-2.Outdoor Unit (Inverter Assembly) MICRO-COMPUTERBLOCKDIAGRAM For INDOOR UNIT 9. OPERATION DESCRIPTION 9-1.Outline of Air Conditioner Control Operation Description Auto Restart Function Remote Controller and Its Fuctions 9-2.Operation Description Page Indication Fan speed (Table 1) Indoor fan and air flow rate Page Page Page Page Page Page Page Page Page Page Page Page 9-3.Auto Restart Function 9-3-1.How to Set the Auto Restart Function 9-3-2.How to Cancel the Auto Restart Function 9-3-3.Power Failure During Timer Operation 9-4.Remote control 4.DRY OPERATION (COOLING ONLY) 5.Hi-POWEROPERATION 6.ECO OPERATION Note: 7.TEMPORARY OPERATION 9.PRESET OPERATION 10.AUTO RESTART OPERATION Setting 11.QUIET OPERATION 12. COMFORT SLEEP OPERATION 9-4-3.Name and Functions of Indications on Remote Controller 10. INSTALLATION PROCEDURE 10-1-2.Optional installation parts Part Parts name Q'ty Code 10-1-3.Accessory and installation parts Others Name 10-1-4.Installation/Servicing Tools <Changes in the product and components New tools for R410A Applicable to R22 model Changes 10-2.Indoor Unit <When the installation plate is directly mounted on the wall 10-2-3.Electrical work CAUTION NOTE 10-2-4.Wiring connection <How to connect the connecting cable 10-2-5.Piping and drain hose installation <Piping and Drain Hose Forming 1. Die-cuttingFront panel slit <How to fix the Drains Cap <In case of right or left piping <Left-handconnection with piping Bend the connection pipe within a radius of 30 mm (∅ 6.35) 40 mm (∅ 9.52) <In case of bottom right or bottom left piping 10-3.Outdoor Unit (Unit : Nám) 10-3-3.Evacuating Tightening torque Tightening torque of flare pipe connections <Shaping pipes AIR PURGE <Packed valve handling precautions Hexagonal wrench is required <Stripping length of connection cable 10-3-4.Wiring connection Information <How to set the auto restart 11. HOW TO DIAGNOSE THE TROUBLE 10-1.First Confirmation 11-2.Primary Judgment 11-3.Judgment by Flashing LED of Indoor Unit 11-4. Self-Diagnosisby Remote Controller (Check Code) 11-4-1.How to Use Remote Controller in Service Mode 11-4-2.Caution at servicing Page 11-5.Judgement of Trouble by Every Symptom Page (3)Only the indoor fan does not operate. <Check procedure (4)Indoor fan motor starts rotating by turning on power supply alone. <Cause <Confirmation procedure (5) Troubleshooting for remote control 11-5-2.Wiring Failure (Interconnecting and serial signal wire) (1)Outdoor unit does not operate 11-6.Check Code 1C (Miswiring in indoor/outdoor units) and 1E 11-7.How to Diagnose Trouble in Outdoor Unit 11-8.How to Check Simply the Main Parts (3) Checking procedure Procedure Check Point (Symptom) Causes <Sensor characteristic table 11-8-3.Indoor unit (Other parts) Part name Checking procedure 11-8-4.Outdoor unit 11-8-5.Checking Method for Each Part 11-9.How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 12. PART REPLACEMENT 12-1.Indoor Unit No Part name No. Part name 12-2.Microcomputer Solder side 12-3-1.Outdoor Unit Be careful when checking the inverter because high-voltage circuit is incorporated in it This capacitor has mass capacity Therefore, it is dangerous that a Page Page Requirement: Perform the work on a corrugated cardboard, cloth, etc. to prevent scratches to the product Q’ty 13. EXPLODED VIEWS AND PARTS LIST 13-1.Indoor Unit (E-PartsAssy)