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Toshiba RAS-24NAH-E User Manual

Toshiba RAS-24NAH-E
84 pages
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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-24NAH-E Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR410A
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Indoor Unit Weight13 kg

Summary

1. SPECIFICATIONS

1-1. MODEL

Detailed specifications for various air conditioner models, including electrical and physical data.

1-2. MODEL

Continued detailed specifications for various air conditioner models, covering electrical and physical data.

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Visual representation of the indoor unit's physical structure and dimensions.

2-2. Outdoor Unit (24 Class)

Diagrams illustrating the external structure and dimensions of the 24 Class outdoor unit.

2-3. Outdoor Unit (18 Class)

Diagrams illustrating the external structure and dimensions of the 18 Class outdoor unit.

3. WIRING DIAGRAM

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

Wiring diagram for specific indoor and outdoor unit models.

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

Wiring diagram for specific indoor and outdoor unit models.

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

Wiring diagram for specific indoor and outdoor unit models.

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

Wiring diagram for specific indoor and outdoor unit models.

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit Electrical Parts

List and specifications of electrical components used in the indoor unit.

4-2. Outdoor Unit Electrical Parts (18 Class Models)

Electrical parts and specifications for 18 Class outdoor units.

4-4. Outdoor Unit Electrical Parts (24 Class Models)

Electrical parts and specifications for 24 Class outdoor units.

5. REFRIGERATION CYCLE DIAGRAM

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

Refrigeration cycle diagram for specific indoor/outdoor unit models.

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

Refrigeration cycle diagram for specific indoor/outdoor unit models.

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

Refrigeration cycle diagram for specific indoor/outdoor unit models.

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

Refrigeration cycle diagram for specific indoor/outdoor unit models.

6. CONTROL BLOCK DIAGRAM

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

Control block diagram for specific indoor unit models.

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

Control block diagram for specific indoor unit models.

7. OPERATION DESCRIPTION

7-1. Control Overview & Circuit Descriptions

How the AC operates and its circuit descriptions.

7-3. Special Operating Modes

Details on Hi POWER, limit controls, defrost, and auto restart functions.

7-7. Function Management

Procedures for managing filter checks, self-cleaning, and auto restart.

7-10. Quiet and Sleep Modes

Explains the QUIET and COMFORT SLEEP modes.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Critical safety precautions to be followed during installation.

8-2. Installation Diagrams & Parts

Visual guides and parts lists for unit installation.

8-4. Unit Installation Procedures

Comprehensive guide to installing indoor and outdoor units, including settings.

9. TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure & Basic Checks

General troubleshooting steps and initial checks for the unit.

9-3. Primary Judgement & Self-Diagnosis

Methods for initial fault judgment and using self-diagnosis via remote control.

9-5. Faulty Parts Diagnosis

Flowcharts for diagnosing specific faulty components.

9-6. Unit Component Troubleshooting

Troubleshooting common issues with unit components like indoor unit, wiring, P.C. boards, and remote control.

10. PARTS REPLACEMENT

10-1. Indoor Unit Parts Replacement

Procedures for replacing key components of the indoor unit.

10-2. Outdoor Unit (24 Class) Parts Replacement

Procedures for replacing components in specific outdoor unit models.

10-3. Outdoor Unit (18 Class) Parts Replacement

Procedures for replacing components in specific outdoor unit models.

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit Exploded View

Exploded view and parts list for the indoor unit's electronic components.

11-2. Indoor Unit Detailed Exploded View

Detailed exploded view and parts list for the indoor unit.

11-3. Outdoor Unit Exploded Views

Exploded views and parts lists for various outdoor unit models.

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