Toshiba RAS-07UAX4 User Manual (English)

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Toshiba RAS-07UAX4 Specifications

General

Heating Capacity	2.5 kW
Noise Level (Outdoor)	50 dB
Cooling Capacity	2.0 kW
Power Supply	220-240 V
Weight (Outdoor Unit)	22 kg

Summary

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Detailed diagrams and dimensions of the indoor unit components and assembly.

2-2. Outdoor Unit (RAS-13UAH-E4, RAS-10UAH-E4, RAS-13UA-E4, RAS-10UA-E4, RAS-13UAX4, RAS-10UAX4, RAS-12UAX4)

Diagrams and dimensions for specific outdoor unit models.

2-3. Outdoor Unit (RAS-07UAH-E4, RAS-07UA-E4, RAS-07UAX4)

Diagrams and dimensions for specific outdoor unit models.

3. WIRING DIAGRAM

3-1. RAS-13UKHP-E4 / RAS-13UAH-E4

Wiring diagram for RAS-13UKHP-E4 and RAS-13UAH-E4 models.

3-2. RAS-10UKHP-E4 / RAS-10UAH-E4

Wiring diagram for RAS-10UKHP-E4 and RAS-10UAH-E4 models.

3-3. RAS-07UKHP-E4 / RAS-07UAH-E4

Wiring diagram for RAS-07UKHP-E4 and RAS-07UAH-E4 models.

3-4. RAS-13UKP-E4 / RAS-13UA-E4

Wiring diagram for RAS-13UKP-E4 and RAS-13UA-E4 models.

3-5. RAS-10UKP-E4 / RAS-10UA-E4, RAS-07UKP-E4 / RAS-07UA-E4

Wiring diagrams for RAS-10UKP/UA-E4 and RAS-07UKP/UA-E4 models.

3-6. RAS-13UKPX4 / RAS-13UAX4, RAS-12UKPX4 / RAS-12UAX4

Wiring diagrams for RAS-13UKPX4/UAX4 and RAS-12UKPX4/UAX4 models.

3-7. RAS-10UKPX4 / RAS-10UAX4, RAS-07UKPX4 / RAS-07UAX4

Wiring diagrams for RAS-10UKPX4/UAX4 and RAS-07UKPX4/UAX4 models.

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit (RAS-13UKHP-E4, RAS-10UKHP-E4, RAS-07UKHP-E4)

List and specifications of electrical parts for specific indoor units.

4-2. Outdoor Unit (RAS-13UAH-E4)

List and specifications of electrical parts for RAS-13UAH-E4 outdoor unit.

4-3. Outdoor Unit (RAS-10UAH-E4)

List and specifications of electrical parts for RAS-10UAH-E4 outdoor unit.

4-4. Outdoor Unit (RAS-07UAH-E4)

List and specifications of electrical parts for RAS-07UAH-E4 outdoor unit.

4-5. Indoor Unit (RAS-13UKP-E4, RAS-10UKP-E4, RAS-07UKP-E4, RAS-13UKPX4, RAS-10UKPX4, RAS-12UKPX4, RAS-07UKPX4)

List and specifications of electrical parts for various indoor units.

4-6. Outdoor Unit (RAS-13UA-E4)

List and specifications of electrical parts for RAS-13UA-E4 outdoor unit.

4-7. Outdoor Unit (RAS-13UAX4, RAS-12UAX4)

List and specifications of electrical parts for RAS-13UAX4/12UAX4 outdoor units.

4-8. Outdoor Unit (RAS-10UA-E4, RAS-10UAX4)

List and specifications of electrical parts for RAS-10UA-E4/UAX4 outdoor units.

4-9. Outdoor Unit (RAS-07UAX4)

List and specifications of electrical parts for RAS-07UAX4 outdoor unit.

4-10. Outdoor Unit (RAS-07UA-E4)

List and specifications of electrical parts for RAS-07UA-E4 outdoor unit.

5. REFRIGERATION CYCLE DIAGRAM

5-1. RAS-13UKHP-E4 / RAS-13UAH-E4

Refrigeration cycle diagram for RAS-13UKHP/UAH-E4 models.

5-2. RAS-10UKHP-E4 / RAS-10UAH-E4

Refrigeration cycle diagram for RAS-10UKHP/UAH-E4 models.

5-3. RAS-07UKHP-E4 / RAS-07UAH-E4

Refrigeration cycle diagram for RAS-07UKHP/UAH-E4 models.

5-4. RAS-13UKP-E4 / RAS-13UA-E4, RAS-13UKPX4 / RAS-13UAX4, RAS-12UKPX4 / RAS-12UAX4

Refrigeration cycle diagrams for various RAS-13/12 UKP/UAX4 models.

5-5. RAS-10UKP-E4 / RAS-10UA-E4, RAS-10UKPX4 / RAS-10UAX4

Refrigeration cycle diagrams for various RAS-10 UKP/UAX4 models.

5-6. RAS-07UKP-E4 / RAS-07UA-E4, RAS-07UKPX4 / RAS-07UAX4

Refrigeration cycle diagrams for various RAS-07 UKP/UAX4 models.

6. CONTROL BLOCK DIAGRAM

6-1. RAS-13UKHP-E4 / RAS-13UAH-E4, RAS-10UKHP-E4 / RAS-10UAH-E4, RAS-07UKHP-E4 / RAS-07UAH-E4

Control block diagram for specific HP models.

6-2. RAS-13UKP-E4 / RAS-13UA-E4, RAS-10UKP-E4 / RAS-10UA-E4, RAS-07UKP-E4 / RAS-07UA-E4, RAS-13UKPX4 / RAS-13UAX4, RAS-10UKPX4 / RAS-10UAX4, RAS-07UKPX4 / RAS-07UAX4, RAS-12UKPX4 / RAS-12UAX4

Control block diagram for various UKP/UAX4 models.

7. OPERATION DESCRIPTION

7-1. Outline of Air Conditioner Control

General overview of air conditioner control logic and components.

7-2. Description of Operation Circuit

Details the control circuits for different operation modes.

7-3. Hi POWER Mode

Describes the operation when the Hi POWER mode is activated.

7-4. High-Temperature Limit Control

Controls heat exchanger temp. to prevent refrigerating cycle pressure issues.

7-5. Low-Temperature Limit Control

Detects indoor heat exchanger temp. to prevent freezing.

7-6. Defrost Operation

Describes melting ice from outdoor heat exchanger during heating operation.

7-7. Current Limit Control

Manages outdoor fan control to prevent input current exceeding specified values.

7-8. Auto Restart Function

Enables automatic restart with set conditions after power supply interruption.

7-9. Filter Check Lamp

Indicates when filters need cleaning after 1000 hours of operation.

7-10. Self-Cleaning function

Reduces humidity by drying the coil with the internal fan after unit shutdown.

7-11. QUIET Mode

Controls indoor fan speed to maintain low noise levels.

7-12. COMFORT SLEEP mode

Provides quietness, energy saving, and automatic shutdown for comfort.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Provides critical safety warnings and precautions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Illustrates the installation steps and component placement for units.

8-3. Installation

Covers general installation aspects including parts and procedures.

8-4. Indoor Unit

Details on indoor unit installation place, piping, electrical work, and fixing.

8-5. Outdoor Unit

Details on outdoor unit installation place, piping, and connections.

8-6. How to Set Remote Control Selector Switch

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

8-7. Others

Covers gas leak test, test operation, and auto restart setting.

9. TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure

General steps for troubleshooting air conditioner issues.

9-2. Basic Check Items

Covers essential checks like power supply and cable connections.

9-3. Primary Judgement

Assists in diagnosing problems based on lamp indicators and symptoms.

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

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

9-5. Troubleshooting Flowcharts

Step-by-step flowcharts for diagnosing common operational faults.

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

Troubleshooting steps for remote control and indoor P.C. board issues.

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

Procedure for checking the P.C. board for defects.

10. PART REPLACEMENT

10-1. Indoor Unit

Procedures for replacing internal parts of the indoor unit.

10-2. Outdoor Unit

Procedures for replacing internal parts of the outdoor unit.

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit (E-Parts Assy) (For Heat pump model)

Exploded view and parts list for indoor heat pump models.

11-2. Indoor Unit (E-Parts Assy) (For Cooling model)

Exploded view and parts list for indoor cooling models.

11-3. Indoor Unit (RAS-07,10,13UKHP-E4, UKP-E4)

Exploded view and parts list for specific indoor UKHP/UKP-E4 models.

11-4. Indoor Unit (RAS-07,10,12,13UKPX4)

Exploded view and parts list for specific indoor UKPX4 models.

11-5. Outdoor Unit (RAS-13UAH-E4)

Exploded view and parts list for RAS-13UAH-E4 outdoor unit.

11-6. Outdoor Unit (RAS-10UAH-E4)

Exploded view and parts list for RAS-10UAH-E4 outdoor unit.

11-7. Outdoor Unit (RAS-13UA-E4)

Exploded view and parts list for RAS-13UA-E4 outdoor unit.

11-8. Outdoor Unit (RAS-10UA-E4)

Exploded view and parts list for RAS-10UA-E4 outdoor unit.

11-9. Outdoor Unit (RAS-13UAX4, RAS-12UAX4)

Exploded view and parts list for RAS-13UAX4/12UAX4 outdoor units.

11-10. Outdoor Unit (RAS-10UAX4)

Exploded view and parts list for RAS-10UAX4 outdoor unit.

11-11. Outdoor Unit (RAS-07UAX4, RAS-07UA-E4)

Exploded view and parts list for RAS-07UAX4/UA-E4 outdoor units.

11-12. Outdoor Unit (RAS-07UAH-E4)

Exploded view and parts list for RAS-07UAH-E4 outdoor unit.

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