Toshiba RAS-13S2AH-ES Service Manual

Toshiba RAS-13S2AH-ES Service Manual

Split wall type air conditioner

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FILE NO. SVM-09030
SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE
RAS-13SKHP-ES / RAS-13S2AH-ES
January, 2009

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Summarization of Contents

2. CONSTRUCTION VIEWS
2-1. Indoor Unit
Detailed diagrams and dimensions of the indoor unit.
2-2. Outdoor Unit
Detailed diagrams and dimensions of the outdoor unit.
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
List and specifications of electrical components for the indoor unit.
4-2. Outdoor Unit
List and specifications of electrical components for the outdoor unit.
7. OPERATION DESCRIPTION
7-1. Remote Control
Explanation of the remote control's functions and buttons.
7-2. Outline of Air Conditioner Control
Overview of how the indoor and outdoor units control the air conditioner's functions.
7-3. Description of Operation Mode
Explanation of how the air conditioner operates in different modes.
7-4. Safety and Reliability Prevention Function
Functions to ensure safety and reliability of the air conditioner.
7-5. One-Touch Operation
Fully automated operation based on preferable regional conditions.
7-6. Hi POWER Operation
Operation for maximum performance and cooling/heating power.
7-7. QUIET Operation
Operation mode to reduce fan noise and ensure quiet performance.
7-8. ECO Operation
Energy-saving mode that adjusts temperature and fan speed.
7-9. COMFORT SLEEP Operation
Operation for comfortable sleep with auto shut-down.
7-10. FILTER Check lamp
Indicator and procedure for filter cleaning notification.
7-11. Auto Restart Function
Function to restart the unit with previous settings after power interruption.
7-12. Self-Cleaning Operation
Operation to minimize mold and bacteria growth inside the unit.
8. INSTALLATION PROCEDURE
8-1. Safety Cautions
Essential safety precautions for installation and handling.
8-2. Installation Diagram of Indoor and Outdoor Units
Diagrams showing placement and connection for indoor and outdoor units.
8-3. Installation
Details on installation procedures and parts.
8-4. Indoor Unit
Specific installation procedures for the indoor unit.
8-4-1. Installation place
Recommended locations and considerations for installing the indoor unit.
8-4-2. Cutting a hole and mounting installation plate
Instructions for cutting wall holes and mounting the installation plate.
8-4-3. Electrical work
Guidance on electrical connections and power source requirements.
Wiring Connection
Procedure for connecting the power cord to the air conditioner.
8-4-4. Wiring connection
Procedure for connecting the indoor and outdoor units via connecting cable.
8-4-5. Piping and drain hose installation
Steps for installing refrigerant pipes and the drain hose.
8-4-6. Indoor unit fixing
Steps for securely fixing the indoor unit onto the installation plate.
8-4-7. Drainage
Instructions for setting up the drain hose for proper water removal.
8-5. Outdoor Unit
Specific installation procedures for the outdoor unit.
8-5-1. Installation place
Recommended locations and considerations for installing the outdoor unit.
8-5-2. Refrigerant piping connection
Detailed steps for connecting the refrigerant pipes.
8-5-3. Evacuating
Procedure for removing air from the refrigerant system using a vacuum pump.
8-5-4. Wiring connection
Procedure for wiring the outdoor unit's components.
8-6. How to Set Remote Control Selector Switch
Guide for setting remote control for multi-unit installations.
8-7. Others
Miscellaneous installation checks and operations.
8-7-1. Gas leak test
Method for testing for refrigerant gas leaks.
8-7-2. Test operation
Procedure to perform a test run of the air conditioner.
8-7-3. Auto restart setting
How to set or cancel the auto restart function.
9. TROUBLESHOOTING CHART
9-1. Troubleshooting Procedure
General procedure for diagnosing and resolving issues.
9-2. Basic Check Items
Initial checks for common operational problems.
9-2-1. Power supply voltage
Checking if the power supply voltage is within the specified range.
9-2-2. Incorrect cable connection between Indoor and outdoor units
Checking for proper wiring and connections between units.
9-2-3. Program control
Understanding program control logic for troubleshooting.
9-3. Primary Judgement
Initial assessment of faults based on symptoms and indicators.
9-3-1. Role of indoor unit controller
Understanding the indoor unit controller's functions.
9-3-2. Failure diagnosis
How the unit diagnoses and indicates failures.
9-4. Self-Diagnosis by Remote Controller (Check Code)
Using the remote control to retrieve error codes for diagnosis.
9-4-1. How to Use Remote Controller in Service Mode
Guide to accessing and using the remote control's service mode.
9-5. Troubleshooting Flowcharts
Visual guides for troubleshooting specific operational issues.
9-5-1. Power can not be turned on (No operation at all)
Troubleshooting flowchart for units that do not power on.
9-5-2. Power can not be turned on after replacing indoor P.C. board
Troubleshooting after PC board replacement, if power issue persists.
9-5-3. Outdoor unit does not operate
Troubleshooting flowchart for when the outdoor unit is unresponsive.
9-5-4. Only compressor does not operate
Troubleshooting steps when the compressor fails to operate.
9-5-5. Only outdoor fan does not operate
Troubleshooting steps when the outdoor fan motor fails to operate.
9-5-6. Only 4-Way valve does not operate (During heating operation)
Troubleshooting steps for a non-operating 4-way valve in heating mode.
9-5-7. Only the indoor fan does not operate
Troubleshooting steps when the indoor fan motor does not operate.
9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board)
Steps for troubleshooting remote control and indoor PC board issues.
9-6-1 How to check the P.C. board
Procedure for inspecting the printed circuit board for defects.
9-6-3. How to shorten time of restart delay timer
Method to reduce the delay time for the restart function.
9-6-4. How to set/cancel the self cleaning function
Procedure to enable or disable the self-cleaning feature.
10. HOW TO REPLACE THE MAIN PARTS
10-1. Indoor Unit
Procedure for replacing main parts of the indoor unit.
Front panel
Procedure for removing and installing the indoor unit's front panel.
Electric parts box assembly
Procedure for replacing the indoor unit's electric parts box.
Horizontal louver
Procedure for removing and installing the horizontal louver.
Evaporator (Heat exchanger)
Procedure for removing and installing the evaporator.
Bearing
Procedure for removing and installing the bearing.
Fan motor
Procedure for removing and installing the fan motor.
Cross flow fan
Procedure for removing and installing the cross flow fan.
10-2. Outdoor Unit
Procedures for replacing components of the outdoor unit.
Common procedure
General steps for disassembling the outdoor unit.
Capacitor for compressor
Procedure for replacing the compressor capacitor.
Capacitor for fan motor
Procedure for replacing the fan motor capacitor.
11. EXPLODED VIEWS AND PARTS LIST
11-1. Indoor Unit (E-Parts Assy)
Exploded view and parts list for the indoor unit's electrical components.
11-2. Indoor Unit
Exploded view and parts list for the indoor unit's main assembly.
11-3. Outdoor Unit
Exploded view and parts list for the outdoor unit.

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