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Toshiba RAS-10GAX-V User Manual

Toshiba RAS-10GAX-V
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FILE NO. SVM-06037
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
June, 2006
RAS-10GKHP-E / RAS-10GAH-E
RAS-07GKHP-E / RAS-07GAH-E
RAS-07GKP-E / RAS-07GA-E
RAS-10GKPX / RAS-10GAX
RAS-10GKPX-V / RAS-10GAX-V
RAS-10GKP-E / RAS-10GA-E
RAS-07GKPX / RAS-07GAX
07 Class
10 Class

Table of Contents

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Toshiba RAS-10GAX-V Specifications

General IconGeneral
BrandToshiba
ModelRAS-10GAX-V
CategoryAir Conditioner
LanguageEnglish

Summary

7. OPERATION DESCRIPTION

7-1. Outline of Air Conditioner Control

Describes control of air conditioner components based on remote commands and sensor feedback.

7-1-1. Louver control

Explains control of vertical air flow louver position and swing.

7-1-2. Indoor fan control (AC Fan motor)

Details indoor fan speed control via AC motor in five steps or AUTO.

7-2. Description of Operation Circuit

Details the operation control for various modes like cooling, heating, and dry.

7-2-1. Fan only operation

Describes fan operation when the mode is set to FAN ONLY.

7-2-2. Cooling operation

Details compressor, valve, and fan control during cooling mode.

7-2-3. Dry operation

Describes compressor and fan control during dry operation.

7-2-4. Heating operation *Heat pump model only

Details compressor, valve, and fan control during heating mode.

7-2-5. Automatic operation

Explains mode selection based on temperature difference in AUTO operation.

7-3. Hi POWER Mode

Explains the Hi POWER mode operation for enhanced cooling or heating performance.

7-4. High-Temperature Limit Control

Monitors indoor heat exchanger temperature to prevent excessive refrigerating cycle pressure.

7-5. Low-Temperature Limit Control

Prevents indoor heat exchanger freezing by monitoring its temperature.

7-6. Defrost Operation *Heat pump model only

Describes the defrost operation to melt ice on the outdoor unit during heating.

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

Controls outdoor fan to prevent input current exceeding specified values.

7-8. Auto Restart Function

Allows the unit to restart with previous settings after a power interruption.

7-8-1. How to set auto restart function

Procedure to enable the auto restart function.

7-8-2. How to cancel auto restart function

Procedure to disable the auto restart function.

7-8-3. Power failure during timer operation

Explains timer operation cancellation due to power failure.

7-9. Self-Cleaning function

Reduces humidity to prevent mold formation by drying the coil.

7-9-1. How to cancel Self-Cleaning function

Procedure to cancel the self-cleaning function.

7-9-2. How to set Self-Cleaning function.

Procedure to set the self-cleaning function.

7-10. QUIET Mode

Controls indoor fan speed for quieter operation and reduced noise level.

7-11. COMFORT SLEEP mode

Automatically adjusts temperature and can shut down the unit for comfort and energy saving.

7-11-1. Cooling mode

Describes comfort sleep mode operation in cooling.

7-11-2. Heating mode

Describes comfort sleep mode operation in heating.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Essential safety precautions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Illustrates the physical placement and connection of indoor/outdoor units.

8-3. Installation

Covers installation parts and procedures.

8-3-1. Optional installation parts

Lists optional parts required for installation.

8-3-2. Accessory and installation parts

Details accessories and parts included for installation.

8-4. Indoor Unit

Guidance on indoor unit installation.

8-4-1. Installation place

Criteria for selecting the optimal installation location for the indoor unit.

8-4-2. Cutting a hole and mounting installation plate

Instructions for preparing the wall and mounting the installation plate.

8-4-3. Electrical work

Details electrical connection requirements and procedures.

8-4-4. Piping and drain hose installation

Instructions for connecting refrigerant pipes and drain hose.

8-4-5. Indoor unit fixing

Procedure for securely mounting the indoor unit to the installation plate.

8-4-6. Drainage

Ensures proper drainage of condensate water from the unit.

8-5. Outdoor Unit

Guidance on outdoor unit installation.

8-5-1. Installation place

Criteria for selecting the optimal installation location for the outdoor unit.

8-5-2. Refrigerant piping connection

Steps for connecting the refrigerant pipes securely.

8-5-3. Evacuating

Procedure for removing air from the refrigerant system using a vacuum pump.

8-5-4. Wiring connection

Instructions for connecting wires between indoor and outdoor units.

8-6. How to Set Remote Control Selector Switch

Guides setting the remote control selector for multi-unit systems.

8-7. Others

Miscellaneous installation-related topics.

8-7-1. Gas leak test

Method to check for refrigerant gas leaks.

8-7-2. Test operation

Procedure for performing a test run of the air conditioner.

8-7-3. Auto restart setting

Instructions on how to set or cancel the auto restart feature.

9. TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure

Steps to follow for troubleshooting issues.

9-2. Basic Check Items

Fundamental checks before diagnosing problems.

9-2-1. Power supply voltage

Ensures the supply voltage is within the operational range.

9-2-2. Incorrect cable connection between Indoor and outdoor units

Checks for proper cable connections between units.

9-2-3. Program control

Verifies control operations against a table of symptoms.

9-3. Primary Judgement

Initial assessment of unit condition and potential faults.

9-3-1. Role of indoor unit controller

Explains the functions of the indoor unit controller.

9-3-2. Failure diagnosis

How the unit diagnoses and indicates failures using lamps.

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

Using the remote control to retrieve diagnostic check codes.

9-4-1. How to use remote control in service mode

Steps to enter service mode for diagnosis.

9-5. Troubleshooting Flowcharts

Step-by-step guides for diagnosing specific operational failures.

9-5-1. Power can not be turned on (No operation at all)

Flowchart for troubleshooting when the unit does not power on.

9-5-2. Power can not be turned on after replacing indoor P.C. board

Flowchart for power issues after PC board replacement.

9-5-3. Outdoor unit does not operate

Flowchart for diagnosing outdoor unit operational failures.

9-5-4. Only compressor does not operate

Flowchart for troubleshooting compressor-only failures.

9-5-5. Only outdoor fan does not operate

Flowchart for troubleshooting outdoor fan-only failures.

9-5-6. Only 4-Way valve does not operate (During heating operation)

Flowchart for diagnosing 4-way valve failures during heating.

9-5-7. Only the indoor fan does not operate

Flowchart for troubleshooting indoor fan-only failures.

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

Troubleshooting steps for remote control and indoor PC board issues.

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

Procedure for inspecting the printed circuit board.

9-6-2. How to shorten time of restart delay timer

Method to adjust the restart delay timer duration.

9-6-3. How to set/cancel the self cleaning function

Instructions to manage the self-cleaning function.

10. PART REPLACEMENT

10-1. Indoor Unit

Procedures for replacing parts of the indoor unit.

10-2-2. Outdoor Unit (RAS-10GAH-E, RAS-10GA-E, RAS-10GAX, RAS-10GAX-V)

Procedures for replacing parts of specific outdoor units.

10-2-1. Outdoor Unit (RAS-07GAH-E, RAS-07GA-E, RAS-07GAX)

Procedures for replacing parts of specific outdoor units.

11. EXPLODED VIEWS AND PARTS LIST

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

Exploded view and parts list for European indoor units.

11-2. Indoor Unit (E-Part Assy) For Asia model

Exploded view and parts list for Asian indoor units.

11-3. Indoor Unit

Exploded view and parts list for indoor unit components.

11-4. Outdoor Unit (RAS-10GAH-E)

Exploded view and parts list for the RAS-10GAH-E outdoor unit.

11-5. Outdoor Unit (RAS-07GAH-E)

Exploded view and parts list for the RAS-07GAH-E outdoor unit.

11-6. Outdoor Unit (RAS-10GA-E, RAS-10GAX, RAS-10GAX-V)

Exploded view and parts list for specific outdoor units.

11-7. Outdoor Unit (RAS-07GA-E, RAS-07GAX)

Exploded view and parts list for specific outdoor units.

1. SPECIFICATIONS

Capacity

Details cooling and heating capacity for various models.

Power source

Specifies voltage, phase, and frequency requirements.

Power consumption

Lists power consumption and power factor for different models.

Refrigerant

Information on refrigerant type and amount.

Interconnection pipe

Details pipe specifications like diameter, length, and height difference.

INDOOR UNIT

Specifications for indoor unit dimensions, weight, fan, and filter.

OUTDOOR UNIT

Specifications for outdoor unit dimensions, fan, compressor, and temperature range.

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Provides detailed diagrams of the indoor unit's construction and dimensions.

2-2. Outdoor Unit (RAS-10GAH-E, RAS-10GA-E, RAS-10GAX, RAS-10GAX-V)

Diagrams of the outdoor unit construction and dimensions.

2-3. Outdoor Unit (RAS-07GAH-E, RAS-07GA-E, RAS-07GAX)

Diagrams of the outdoor unit construction and dimensions.

3. WIRING DIAGRAM

3-1. RAS-10GKHP-E / RAS-10GAH-E RAS-07GKHP-E / RAS-07GAH-E

Wiring diagram for specific indoor and outdoor unit models.

3-2. RAS-10GKP-E / RAS-10GA-E RAS-07GKP-E / RAS-07GA-E

Wiring diagram for specific indoor and outdoor unit models.

3-3. RAS-10GKPX / RAS-10GAX RAS-07GKPX / RAS-07GAX RAS-10GKPX-V / RAS-10GAX-V

Wiring diagram for specific indoor and outdoor unit models.

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit (RAS-10GKHP-E, RAS-07GKHP-E)

Lists electrical parts for indoor units with specifications.

4-2. Outdoor Unit (RAS-10GAH-E)

Lists electrical parts for the RAS-10GAH-E outdoor unit.

4-3. Outdoor Unit (RAS-07GAH-E)

Lists electrical parts for the RAS-07GAH-E outdoor unit.

4-5. Outdoor Unit (RAS-10GA-E, RAS-10GAX, RAS-10GAX-V)

Electrical parts for specific outdoor units.

4-6. Outdoor Unit (RAS-07GA-E, RAS-07GAX)

Electrical parts for specific outdoor units.

5. REFRIGERATION CYCLE DIAGRAM

5-1. RAS-10GKHP-E / RAS-10GAH-E

Refrigeration cycle diagram for specific models.

5-2. RAS-07GKHP-E / RAS-07GAH-E

Refrigeration cycle diagram for specific models.

5-3. RAS-10GKP-E / RAS-10GA-E

Refrigeration cycle diagram for specific models.

5-4. RAS-07GKP-E / RAS-07GA-E

Refrigeration cycle diagram for specific models.

5-5. RAS-10GKPX / RAS-10GAX RAS-10GKPX-V / RAS-10GAX-V

Refrigeration cycle diagram for specific models.

5-6. RAS-07GKPX / RAS-07GAX

Refrigeration cycle diagram for specific models.

6. CONTROL BLOCK DIAGRAM

6-1. RAS-10GKHP-E / RAS-10GAH-E, RAS-07GKHP-E / RAS-07GAH-E

Control block diagram for specific indoor and outdoor units.

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