Toshiba RAS-10UAX3 User Manual (English)

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Toshiba RAS-10UAX3 Specifications

General

Brand	Toshiba
Model	RAS-10UAX3
Category	Air Conditioner
Language	English

Summary

Specifications

1. Specifications

Detailed technical specifications for the air conditioner models.

2. Construction Views

Diagrams illustrating the physical structure and dimensions of the units.

2-1. Indoor Unit

Details on the indoor unit's physical structure and dimensions.

2-2. Outdoor Unit

Details on outdoor unit dimensions for specific models.

3. Wiring Diagram

Schematic diagrams illustrating the electrical connections of the unit.

3-1. RAS-13UKHP-E3 / RAS-13UAH-E3

Wiring diagram for a specific model range.

3-4. RAS-13UKP-E3 / RAS-13UA-E3, RAS-13UKPX3 / RAS-13UAX3, RAS-12UKPX3 / RAS-12UAX3

Wiring diagrams for specific model series.

4. Specification of Electrical Parts

Lists and specifications of electrical components used in the units.

4-1. Indoor Unit

Electrical parts for indoor units of specific HP series.

4-5. Indoor Unit

Electrical parts for indoor units of specific P series.

5. Refrigeration Cycle Diagram

Diagrams illustrating the refrigerant flow and components.

5-1. RAS-13UKHP-E3 / RAS-13UAH-E3

Refrigeration cycle diagram for a specific model.

5-4. RAS-13UKP-E3 / RAS-13UA-E3, RAS-13UKPX3 / RAS-13UAX3, RAS-12UKPX3 / RAS-12UAX3

Refrigeration cycle diagrams for specific model series.

6. Control Block Diagram

Diagrams showing the control logic and signal flow.

6-1. RAS-13UKHP-E3 / RAS-13UAH-E3, RAS-10UKHP-E3 / RAS-10UAH-E3, RAS-07UKHP-E3 / RAS-07UAH-E3

Control block diagram for HP series models.

Operation Description

7. Operation Description

Detailed explanations of the air conditioner's operational modes and functions.

7-1. Outline of Air Conditioner Control

General overview of how the air conditioner is controlled.

7-1-1. Louver control

Details on the vertical air flow louver control.

7-1-2. Indoor fan control (AC Fan motor)

Explanation of indoor fan motor speed control.

7-2. Description of Operation Circuit

Detailed explanation of the operation circuit.

7-2-1. Fan only operation

How the unit operates in fan-only mode.

7-2-2. Cooling operation

How the unit operates in cooling mode.

7-2-3. Dry operation

How the unit operates in dry mode.

7-2-4. Heating operation *Heat pump model only

How the unit operates in heating mode.

7-2-5. Automatic operation

How the unit operates in automatic mode.

7-3. Hi POWER Mode

Description of the Hi POWER operating mode.

7-4. High-Temperature Limit Control

Control mechanism for high-temperature limits.

7-5. Low-Temperature Limit Control

Control mechanism for low-temperature limits.

7-6. Defrost Operation *Heat pump model only

Operation procedure for defrosting ice.

7-6-1. Condition to start the defrost operation

Conditions that trigger defrost operation.

7-6-2. Defrost operation time control

How defrost operation time is managed.

7-7. Current Limit Control *Heat pump model only

Control mechanism for current limits.

7-8. Auto Restart Function

Functionality for automatic restart after power failure.

7-8-1. How to set auto restart function

Step-by-step guide to enable auto-restart.

7-8-2. How to cancel auto restart function

Steps to disable the auto-restart function.

7-9. Filter Check Lamp

Information about the filter check indicator.

7-9-1. How to turn off filter check lamp

Procedure to reset the filter check indicator.

7-10. Self-Cleaning function.

Description of the self-cleaning feature.

7-10-1. How to cancel Self-Cleaning function

Steps to disable the self-cleaning feature.

Installation Procedure

8. Installation Procedure

Comprehensive guide for installing the air conditioning unit.

8-1. Safety Cautions

Important safety instructions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Diagrams illustrating unit installation placement.

8-3. Installation

General installation steps.

8-3-1. Optional installation parts

List of optional parts for installation.

8-3-2. Accessory and installation parts

List of included accessories and installation parts.

8-4. Indoor Unit

Specific installation steps for the indoor unit.

8-4-1. Installation place

Guidelines for choosing the indoor unit's installation location.

8-4-2. Cutting a hole and mounting installation plate

Steps for cutting holes and mounting the installation plate.

8-4-3. Electrical work

Instructions for performing electrical connections.

8-4-4. Piping and drain hose installation

Procedures for installing refrigerant pipes and drain hoses.

8-4-5. Indoor unit fixing

Steps for securely mounting the indoor unit.

8-4-6. Drainage

Instructions for proper drainage setup.

8-5. Outdoor Unit

Specific installation steps for the outdoor unit.

8-5-1. Installation place

Guidelines for choosing the outdoor unit's installation location.

8-5-2. Refrigerant piping connection

Procedures for connecting refrigerant pipes.

8-5-3. Evacuating

Steps for evacuating the refrigerant system.

8-5-4. Wiring connection

Instructions for connecting the unit's wiring.

8-6. How to Set Remote Control Selector Switch

Procedure for setting the remote control selector.

8-7. Others

Miscellaneous installation-related information.

8-7-1. Gas leak test

Method for testing for gas leaks.

Troubleshooting Chart

9. Troubleshooting Chart

Guide to diagnosing and resolving common issues with the unit.

9-1. Troubleshooting Procedure

Steps to follow for troubleshooting.

9-2. Basic Check Items

Fundamental checks before detailed troubleshooting.

9-2-1. Power supply voltage

Checks related to power supply voltage.

9-2-2. Incorrect cable connection between Indoor and outdoor units

Troubleshooting incorrect unit cable connections.

9-3. Primary Judgement

Initial diagnosis based on symptoms.

9-3-1. Role of indoor unit controller

Explanation of the indoor unit controller's functions.

9-3-2. Failure diagnosis

How the unit diagnoses and indicates failures.

9-4. Self-Diagnosis by Remote Control (Check Code)

Using remote control for self-diagnosis.

9-4-1. How to use remote control in service mode

Guide to using the remote control in service mode.

9-5. Troubleshooting Flowcharts

Visual guide for troubleshooting common issues.

9-5-1. Power can not be turned on (No operation at all)

Flowchart for troubleshooting power-on issues.

9-5-2. Power can not be turned on after replacing indoor P.C. board

Troubleshooting after replacing the indoor P.C. board.

9-5-3. Outdoor unit does not operate

Flowchart for troubleshooting outdoor unit operation.

9-5-4. Only compressor does not operate

Flowchart for troubleshooting compressor issues.

9-5-5. Only outdoor fan does not operate

Flowchart for troubleshooting outdoor fan issues.

9-5-6. Only 4-Way valve does not operate (During heating operation)

Troubleshooting for 4-way valve issues in heating.

9-5-7. Only the indoor fan does not operate

Flowchart for troubleshooting indoor fan issues.

9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board)

Specific troubleshooting for remote control issues.

9-6-1 How to check the P.C. board

Procedures for inspecting the P.C. board.

9-6-3. How to shorten time of restart delay timer

Method to reduce the restart delay timer duration.

9-6-4. How to set/cancel the self cleaning function

Instructions for setting/cancelling self-cleaning.

Part Replacement

10. Part Replacement

Procedures for replacing various components of the unit.

10-1. Indoor Unit

Procedures for replacing indoor unit parts.

10-2. Outdoor Unit

Procedures for replacing outdoor unit parts.

Exploded Views and Parts List

11. Exploded Views and Parts List

Diagrams showing component breakdown and part numbers.

11-1. Indoor Unit (E-Parts Assy) - Heat Pump Model

Exploded views and parts list for the indoor unit, heat pump model.

11-1. Indoor Unit (E-Parts Assy) - Cooling Model

Exploded views and parts list for the indoor unit, cooling model.