Toshiba RAS-10UAX2 User Manual

FILE NO. SVM-03004(1)
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
July, 2003
RAS-13UKHP-E2 / RAS-13UAH-E2
RAS-10UKHP-E2 / RAS-10UAH-E2
RAS-13UKP-E2 / RAS-13UA-E2
RAS-10UKP-E2 / RAS-10UA-E2
RAS-13UKPX2 / RAS-13UAX2
RAS-10UKPX2 / RAS-10UAX2

Toshiba RAS-10UAX2 Specifications

General

Type	Split System
Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Indoor Unit Weight	9 kg
Noise Level (Outdoor)	50 dB

Summary

Specifications

Construction Views

2-1 Indoor Unit

Detailed views and dimensions of the indoor unit for installation and maintenance.

2-2 Outdoor Unit

Detailed views and dimensions of the outdoor unit for installation and maintenance.

Wiring Diagram

3-1 RAS-13UKHP-E2 / RAS-13UAH-E2

Electrical wiring diagram for specific indoor and outdoor unit models.

3-2 RAS-10UKHP-E2 / RAS-10UAH-E2

Electrical wiring diagram for specific indoor and outdoor unit models.

3-3 RAS-13UKP-E2 / RAS-13UA-E2, RAS-10UKP-E2 / RAS-10UA-E2, RAS-13UKPX2 / RAS-13UAX2, RAS-10UKPX2 / RAS-10UAX2

Electrical wiring diagrams for various indoor/outdoor unit model combinations.

Specification of Electrical Parts

4-1. Indoor Unit (RAS-13UKHP-E2, RAS-10UKHP-E2)

Electrical parts for specific indoor unit models.

4-2. Outdoor Unit (RAS-13UAH-E2)

Electrical parts for a specific outdoor unit model.

4-3. Outdoor Unit (RAS-10UAH-E2)

Electrical parts for a specific outdoor unit model.

4-4. Indoor Unit (RAS-13UKP-E2, RAS-10UKP-E2, RAS-13UKPX2, RAS-10UKPX2)

Electrical parts for various indoor unit models.

4-5. Outdoor Unit (RAS-13UA-E2)

Electrical parts for a specific outdoor unit model.

4-6. Outdoor Unit (RAS-13UAX2)

Electrical parts for a specific outdoor unit model.

4-7. Outdoor Unit (RAS-10UA-E2)

Electrical parts for a specific outdoor unit model.

Refrigeration Cycle Diagram

5-1. RAS-13UKHP-E2 / RAS-13UAH-E2

Refrigeration cycle for the 13UKHP-E2 and 13UAH-E2 models.

5-2. RAS-10UKHP-E2 / RAS-10UAH-E2

Refrigeration cycle for the 10UKHP-E2 and 10UAH-E2 models.

5-3. RAS-13UKP-E2 / RAS-13UA-E2

Refrigeration cycle for the 13UKP-E2 and 13UA-E2 models.

5-4. RAS-10UKP-E2 / RAS-10UA-E2

Refrigeration cycle for the 10UKP-E2 and 10UA-E2 models.

5-5. RAS-13UKPX2 / RAS-13UAX2

Refrigeration cycle for the 13UKPX2 and 13UAX2 models.

5-6. RAS-10UKPX2 / RAS-10UAX2

Refrigeration cycle for the 10UKPX2 and 10UAX2 models.

Control Block Diagram

6-1. RAS-13UKHP-E2 / RAS-13UAH-E2, RAS-10UKHP-E2 / RAS-10UAH-E2

Control block diagram for specific indoor/outdoor unit models.

6-2. RAS-13UKP-E2 / RAS-13UA-E2, RAS-10UKP-E2 / RAS-10UA-E2, RAS-13UKPX2 / RAS-13UAX2, RAS-10UKPX2 / RAS-10UAX2

Control block diagram for various indoor/outdoor unit model combinations.

Operation Description

7-1. Outline of Air Conditioner Control

Overview of how the indoor and outdoor units are controlled.

7-2. Description of Operation Circuit

Description of the operational circuit for various modes.

7-3. Hi POWER Mode

Operation mode for enhanced cooling or heating performance.

7-4. High-Temperature Limit Control

Control to prevent overheating by monitoring heat exchanger temperature.

7-5. Low-Temperature Limit Control

Control to prevent freezing by monitoring heat exchanger temperature.

7-6. Defrost Operation *Heat pump model only

Operation to melt ice from the outdoor heat exchanger during heating.

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

Control to prevent excessive current draw by managing outdoor fan.

7-8. Auto Restart Function

Functionality for automatic unit restart after power interruption.

7-9. Filter Check Lamp

Indicator for filter maintenance and its reset procedure.

Installation Procedure

8-1 Safety Cautions

Crucial safety warnings and precautions before and during installation.

8-2 Installation Diagram of Indoor and Outdoor Units

Visual guide showing how to install indoor and outdoor units, including clearances.

8-3. Installation

Details related to installation, including optional parts.

8-4. Indoor Unit

Specific installation procedures and considerations for the indoor unit.

8-5. Outdoor Unit

Specific installation procedures and considerations for the outdoor unit.

8-6. How to Set Remote Control Selector Switch

Procedure for setting the remote control selector switch for multiple units.

8-7. Others

Miscellaneous installation-related procedures.

Troubleshooting Chart

9-1. Troubleshooting Procedure

General steps to follow for troubleshooting issues.

9-2. Basic Check Items

Fundamental checks to perform before detailed troubleshooting.

9-3. Primary Judgement

Initial assessment of unit status based on indicators and symptoms.

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

Using the remote control to retrieve error codes for diagnosis.

9-5. Troubleshooting Flowcharts

Decision trees to guide troubleshooting of specific operational failures.

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

Troubleshooting issues related to the remote control and indoor P.C. board.

Part Replacement

10-1. Indoor Unit

Instructions for replacing parts within the indoor unit.

10-2. Outdoor Unit

Instructions for replacing parts within the outdoor unit.

Exploded Views and Parts List

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

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

11-2. Indoor Unit

Exploded view and parts list for the indoor unit assembly.

11-3. Outdoor Unit (RAS-13UAH-E2)

Exploded view and parts list for the outdoor unit (13UAH-E2 model).

11-4. Outdoor Unit (RAS-10UAH-E2)

Exploded view and parts list for the outdoor unit (10UAH-E2 model).

11-5. Outdoor Unit (RAS-13UA-E2)

Exploded view and parts list for the outdoor unit (13UA-E2 model).

11-6. Outdoor Unit (RAS-10UA-E2)

Exploded view and parts list for the outdoor unit (10UA-E2 model).

11-7. Outdoor Unit (RAS-13UAX2)

Exploded view and parts list for the outdoor unit (13UAX2 model).

11-8. Outdoor Unit (RAS-10UAX2)

Exploded view and parts list for the outdoor unit (10UAX2 model).