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Toshiba RAS-13SKX User Manual

Toshiba RAS-13SKX
56 pages
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SERVICE M ANUAL
SPLIT W A LL TY PE
TO SH IB A
P R IN T E D IN J A P A N , F e b .,1 9 9 7 T o M o
FIL E N O . A 00-9701
AIR-CONDITIONER
RAS-13SK-E
R A S -13S A -E
RAS-13SKX
RAS-13SAX

Table of Contents

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Toshiba RAS-13SKX Specifications

General IconGeneral
BrandToshiba
ModelRAS-13SKX
CategoryAir Conditioner
LanguageEnglish

Summary

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1. Indoor Unit Construction

Detailed illustration of the indoor unit's construction and components.

2-2. Outdoor Unit Construction

Detailed illustration of the outdoor unit's construction and components.

3. WIRING DIAGRAM

4. SPECIFICATIONS OF ELECTRICAL PARTS

4-1. Indoor Unit Electrical Specifications

Lists electrical parts and their specifications for the indoor unit.

4-2. Outdoor Unit Electrical Specifications

Lists electrical parts and their specifications for the outdoor unit.

5. REFRIGERANT CYCLE DIAGRAM

6. MICRO-COMPUTER BLOCK DIAGRAM

7. OPERATION DESCRIPTIONS

7-1. FAN ONLY Operation

Describes the operation when the remote control mode is set to FAN ONLY.

7-2. COOL Operation

Explains how compressor, outdoor fan, and operation display are controlled during COOL mode.

7-2-1. Louver Control

Details how to set the louver position using the remote control.

7-3. DRY Operation

Describes compressor, outdoor fan, and operation display control in DRY mode.

7-4. AUTO Operation

Explains selection of Cooling or Dry mode based on room temperature in AUTO mode.

7-5. ECONO. Mode

Describes the quiet operation with controlled airflow when ECONO. mode is selected.

7-6. Low-Temperature Limit Control

Explains prevention of indoor heat exchanger freezing by monitoring its temperature.

7-7. Auto Restart Function

Unit restarts and resumes set conditions after power supply interruption.

7-7-1. Setting and Canceling Auto Restart

Procedures for setting and canceling the Auto Restart function using the TEMPORARY button.

7-7-3. Timer Operation and Power Failure

Explains cancellation of timer operations due to power failure.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Important safety warnings and precautions for installation personnel and users.

8-2. Installation Diagram of Units

Illustrates the physical placement and mounting of indoor and outdoor units.

8-3. Installation Parts and Options

Lists standard and optional parts required for installation.

8-4. Indoor Unit Installation Steps

Covers selecting location, cutting holes, and mounting the indoor unit.

8-4-2. Indoor Unit Electrical Work

Details electrical requirements, wiring, and power source connection for the indoor unit.

8-4-3. Indoor Unit Wiring Connection

Instructions on connecting the main power cord and internal wiring to the indoor unit.

8-4-4. Piping and Drain Hose Installation

Guides on connecting refrigerant pipes and installing the drain hose for the indoor unit.

8-4-5. Indoor Unit Mounting

Steps for physically mounting the indoor unit onto the installation plate.

8-5. Outdoor Unit Installation Steps

Covers selecting location and mounting the outdoor unit.

8-5-1. Refrigerant Piping Connection

Detailed steps for connecting the refrigerant pipes to the outdoor unit.

8-5-3. Outdoor Unit Wiring Connection

Instructions for connecting the electrical wiring to the outdoor unit's terminal block.

8-6. Other Installation Tasks

Covers gas leak test, test operation, and auto restart setting.

9. TROUBLESHOOTING CHART

9-1. Pre-check Procedures

Initial checks to perform before diagnosing issues.

9-1-3. Normal Operations Appearing as Faults

Explains normal operations that might appear as issues if misunderstood.

9-2. Primary Judgement of Trouble Sources

Methods for initial diagnosis and identifying the source of problems.

9-2-1. Indoor Unit Controller Role

Describes the functions of the indoor unit's control system.

9-2-2. Abnormal Displays and Fault Judgement

How the unit displays self-diagnosis results and identifies faults.

9-3. Self-diagnosis Procedures

Procedures for performing self-diagnosis using the remote control and interpreting results.

9-3-1. No Power / No Operation

Flowchart to diagnose why the unit does not turn on at all.

9-3-2. No Power After PC Board Replacement

Troubleshooting steps if the unit fails to power on after a PC board replacement.

9-3-3. Outdoor Unit Not Operating

Flowchart for diagnosing issues when the outdoor unit is not operating.

9-3-4. Compressor Not Operating

Troubleshooting steps when only the compressor fails to operate.

9-3-5. Outdoor Fan Not Operating

Troubleshooting steps when only the outdoor fan fails to operate.

9-3-6. Indoor Fan Not Operating

Troubleshooting steps when only the indoor fan fails to operate.

9-4. Remote Control and PC Board Checks

Procedures for checking remote control and indoor PC board functionality.

9-4-1. How to Check the PC Board

Procedures for inspecting the indoor unit's printed circuit board for faults.

PC Board Checking Procedures

Step-by-step guide for checking various components and their readings.

9-4-2. PC Board Layout Diagrams

Diagrams showing the top and bottom layouts of the indoor unit's PC board.

9-4-3. Adjusting Anti-Restart Timer

Instructions for modifying the anti-restart timer's operation duration.

10. PART REPLACEMENT

10-1. Indoor Unit Parts Replacement

Procedures for replacing parts of the indoor unit.

10-2. Microcomputer Replacement

Steps for replacing the microcomputer and related components.

10-3. Outdoor Unit Parts Replacement

Procedures for replacing parts of the outdoor unit.

11. PC Board Assembly Replacement Cautions

12. EXPLODED VIEWS AND PARTS LIST

12-1. Indoor Unit (1) Exploded View

Exploded view and parts list for the indoor unit.

12-1. Indoor Unit (2) Exploded View

Continuation of exploded view and parts list for the indoor unit.

12-2. Outdoor Unit Exploded View

Exploded view and parts list for the outdoor unit.

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