Toshiba RAS-10UAX3 - User Manual

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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-13 UKHP-E3; RAS-13 UAH-E3

Wiring diagram for a specific model range.

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

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-13 UKHP-E3; RAS-13 UAH-E3

Refrigeration cycle diagram for a specific model.

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

Refrigeration cycle diagrams for specific model series.

6. Control Block Diagram

Diagrams showing the control logic and signal flow.

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