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Toshiba RAS-18N2AX User Manual

Toshiba RAS-18N2AX
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SERVICE MANUAL
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAS-18UFHP-E5 / RAS-18NAH-E
RAS-24UFHP-E5 / RAS-24NAH-E
RAS-18UFP-E5 / RAS-18NA-E
RAS-24UFP-E5 / RAS-24NA-E
RAS-B18UFPX5 / RAS-18N2AX
RAS-24UFPX5 / RAS-24N2AX
FILE NO. SVM-06006
18 Class 24 Class
May, 2006
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Toshiba RAS-18N2AX Specifications

General IconGeneral
BrandToshiba
ModelRAS-18N2AX
CategoryAir Conditioner
LanguageEnglish

Summary

TOSHIBA Air Conditioner Specifications

1-1. 18 Class Specifications

Detailed specifications for 18 Class air conditioner models, including cooling and heating capacities.

1-2. 24 Class Specifications

Detailed specifications for 24 Class air conditioner models, including cooling and heating capacities.

TOSHIBA Air Conditioner Construction Views

2-1. Indoor Unit Construction Views

Diagrams illustrating the construction and dimensions of the indoor unit.

2-2. Outdoor Unit (24 Class) Construction Views

Diagrams showing the construction and dimensions of the 24 Class outdoor unit.

2-3. Outdoor Unit (18 Class) Construction Views

Diagrams showing the construction and dimensions of the 18 Class outdoor unit.

TOSHIBA Air Conditioner Wiring Diagrams

3-1. RAS-18UFHP-E5 / RAS-18NAH-E Wiring Diagram

Wiring diagram for specific RAS-18UFHP-E5 and RAS-18NAH-E models.

3-2. RAS-18UFP-E5 / RAS-18NA-E, RAS-B18UFPX5 / RAS-18N2AX Wiring Diagram

Wiring diagram for specific RAS-18UFP-E5, RAS-18NA-E, RAS-B18UFPX5, RAS-18N2AX models.

3-3. RAS-24UFHP-E5 / RAS-24NAH-E Wiring Diagram

Wiring diagram for specific RAS-24UFHP-E5 and RAS-24NAH-E models.

3-4. RAS-24UFP-E5 / RAS-24NA-E, RAS-24UFPX5 / RAS-24N2AX Wiring Diagram

Wiring diagram for specific RAS-24UFP-E5, RAS-24NA-E, RAS-24UFPX5, RAS-24N2AX models.

TOSHIBA Air Conditioner Electrical Parts Specifications

4-1. Indoor Unit Electrical Parts

List of electrical components and their specifications for the indoor unit.

4-2. Outdoor Unit (RAS-18NAH-E) Electrical Parts

List of electrical components for the RAS-18NAH-E outdoor unit.

4-3. Outdoor Unit (RAS-18NA-E, RAS-18N2AX) Electrical Parts

List of electrical components for RAS-18NA-E and RAS-18N2AX outdoor units.

4-4. Outdoor Unit (RAS-24NAH-E) Electrical Parts

List of electrical components for the RAS-24NAH-E outdoor unit.

4-5. Outdoor Unit (RAS-24NA-E, RAS-24N2AX) Electrical Parts

List of electrical components for RAS-24NA-E and RAS-24N2AX outdoor units.

TOSHIBA Air Conditioner Refrigeration Cycle Diagrams

5-1. RAS-18UFHP-E5 / RAS-18NAH-E Cycle Diagram

Refrigeration cycle diagram for RAS-18UFHP-E5 / RAS-18NAH-E models.

5-2. RAS-18UFP-E5 / RAS-18NA-E, RAS-B18UFPX5 / RAS-18N2AX Cycle Diagram

Refrigeration cycle diagram for specific RAS-18UFP-E5, RAS-18NA-E, RAS-B18UFPX5, RAS-18N2AX models.

5-3. RAS-24UFHP-E5 / RAS-24NAH-E Cycle Diagram

Refrigeration cycle diagram for RAS-24UFHP-E5 / RAS-24NAH-E models.

5-4. RAS-24UFP-E5 / RAS-24NA-E, RAS-24UFPX5 / RAS-24N2AX Cycle Diagram

Refrigeration cycle diagram for specific RAS-24UFP-E5, RAS-24NA-E, RAS-24UFPX5, RAS-24N2AX models.

TOSHIBA Air Conditioner Control Block Diagrams

6-1. RAS-18UFHP-E5, RAS-24UFHP-E5 Control Block Diagram

Control block diagram for RAS-18UFHP-E5 and RAS-24UFHP-E5 models.

6-2. RAS-18UFP-E5, RAS-B18UFPX5, RAS-24UFP-E5, RAS-24UFPX5 Control Block Diagram

Control block diagram for RAS-18UFP-E5, RAS-B18UFPX5, RAS-24UFP-E5, RAS-24UFPX5 models.

TOSHIBA Air Conditioner Operation Description

7-1. Air Conditioner Control Overview

Overview of the air conditioner control system, including indoor and outdoor unit roles.

7-2. Operation Modes Description

Detailed description of Cooling, Dry, Fan Only, and Automatic operation modes.

7-3. Special Operation Modes

Description of Hi POWER, High-Temp Limit, Low-Temp Limit, and Defrost operations.

7-7. Auto Restart Function

Explanation of the auto restart function and how to set/cancel it.

7-9. Self-Cleaning Function

Details on the self-cleaning function for reducing indoor humidity.

7-10. Quiet and Comfort Sleep Modes

Description of QUIET and COMFORT SLEEP modes for enhanced comfort and energy saving.

TOSHIBA Air Conditioner Installation Procedure

8-1. Safety Cautions

Essential safety precautions for qualified personnel during installation.

8-2. Installation Diagrams

Diagrams illustrating indoor and outdoor unit installation placements and procedures.

8-4. Indoor Unit Installation

Guidance on selecting installation places and performing indoor unit installation.

8-5. Outdoor Unit Installation

Guidance on selecting installation places and performing outdoor unit installation.

8-6. Remote Control and Wiring Setup

Procedure for setting the remote control selector switch and wiring connections.

TOSHIBA Air Conditioner Troubleshooting Chart

9-1. Troubleshooting Procedure & Basic Checks

Initial troubleshooting steps, basic checks, and primary fault diagnosis.

9-4. Self-Diagnosis Procedures

Guide to using the remote control for self-diagnosis and interpreting check codes.

9-5. Faulty Part Diagnosis Flowcharts

Flowcharts for diagnosing faulty parts based on symptoms and error codes.

9-6. Unit-Specific Troubleshooting

Troubleshooting for indoor unit power, fan motor, compressor, and wiring issues.

TOSHIBA Air Conditioner Parts Replacement

10-1. Indoor Unit Parts Replacement

Procedures for removing and replacing parts of the indoor unit.

10-2. Outdoor Unit Parts Replacement

Procedures for replacing components in specific outdoor unit models.

10-3. Outdoor Unit Part Variations

Lists parts for different outdoor unit model series.

TOSHIBA Air Conditioner Exploded Views and Parts List

11-1. Indoor Unit Exploded View (E-Parts Assy)

Exploded view diagram and parts list for the indoor unit's E-Parts assembly.

11-2. Indoor Unit Exploded View

Detailed exploded view of the indoor unit components with part numbers.

11-3. Outdoor Unit Exploded Views

Exploded view diagrams for various outdoor unit models (RAS-18NAH-E).

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