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Toshiba RAS-M16UKV-E3 User Manual

Toshiba RAS-M16UKV-E3
116 pages
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SERVICE MANUAL
FILE NO.SVM-04015
AIR-CONDITIONER
SPLIT TYPE
RAS-M10UKV-E3, RAS-M13UKV-E3, RAS-M16UKV-E3
RAS-4M27YAV-E
RAS-M10UKCV-E3, RAS-M13UKCV-E3, RAS-M16UKCV-E3
RAS-4M27YACV-E
RAS-M10UKV-E3, RAS-M13UKV-E3, RAS-M16UKV-E3
RAS-3M26YAV-E
R410A

Table of Contents

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Toshiba RAS-M16UKV-E3 Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR410A
Seasonal Energy Efficiency Ratio (SEER)6.10
Indoor Unit Noise Level27-45 dB(A)
Noise Level (Indoor Unit)27-45 dB(A)

Summary

Specifications

1-1. Specifications

Detailed technical specifications for indoor and outdoor units.

1-2. Performance Specifications for Combined Units

Performance specifications for various indoor/outdoor unit combinations.

1-3. Electrical Data

Electrical data for outdoor units, including power supply, compressor, and fan motor details.

Refrigerant R410A

2-1. Safety During Installation and Servicing

Safety guidelines for installation and servicing of R410A systems.

2-2. Refrigerant Piping Installation

Guidelines for selecting and installing refrigerant piping materials and joints.

2-3. Required Tools

Lists tools exclusive for R410A and general tools required for installation.

2-4. Recharging of Refrigerant

Step-by-step guide for recharging refrigerant into the system.

2-5. Brazing of Pipes

Details on brazing filler materials, flux, and brazing procedures.

Construction Views

3-1. Indoor Unit

Exploded view and key dimensions of the indoor unit assembly.

3-2. Outdoor Unit

Exploded view and key dimensions of the outdoor unit assembly.

Wiring Diagram

4-1. Indoor Unit

Wiring diagram illustrating connections for the indoor unit components.

4-2. Outdoor Unit (Inverter Assembly)

Wiring diagram for the outdoor unit, including inverter assembly components.

Specifications of Electrical Parts

5-1. Indoor Unit

List of electrical parts used in the indoor unit with their specifications.

5-2. Outdoor Unit

List of electrical parts used in the outdoor unit with their specifications.

Refrigerant Cycle Diagram

Refrigerant Cycle Diagrams

Diagrams illustrating refrigerant flow for cooling and heating operations.

Operation Data (Cooling)

Operational data tables for cooling mode, detailing performance under various conditions.

Operation Data (Heating)

Operational data tables for heating mode, detailing performance under various conditions.

Control Block Diagram

7-1. Indoor Unit

Block diagram showing the control functions and signals of the indoor unit.

7-2. Outdoor Unit (Inverter Assembly)

Block diagram illustrating the control functions of the outdoor unit's inverter assembly.

Operation Description

8-1. Outline of Air Conditioner Control

General overview of the air conditioner's control system and operation.

8-2. Cooling Operation

Explanation of how the unit operates in cooling mode, including capacity control.

8-2.3. DRY Operation

Details on the dry operation mode, focusing on dehumidification.

8-2.4. Heating Operation

Explanation of how the unit operates in heating mode, including defrost control.

8-3. Temporary Operation

Information on temporary auto and cooling operations via the remote.

8-4. Auto Restart Function

How to set up and use the automatic restart function after power loss.

8-5. Remote control

Explanation of the remote control's buttons, functions, and display indicators.

Installation Procedure

9-1. Safety Cautions

Critical safety warnings and precautions to follow during installation.

9-1-1. Installation/Servicing Tools

Lists specific tools required for R410A installation and servicing.

9-2. Indoor Unit Installation

Procedures for installing the indoor unit, including mounting and piping.

9-2-2. Installation Place

Recommendations for choosing an appropriate installation location for the indoor unit.

9-2-3. Cutting Hole and Mounting Plate

Steps for cutting wall holes and mounting the indoor unit installation plate.

9-2-5. Wiring Connection

Instructions for connecting the electrical wiring to the indoor unit.

9-2-6 Piping and Drain Hose Installation

Procedures for forming and installing refrigerant piping and drain hoses.

9-2-7 Drainage

Instructions for ensuring correct drainage from the indoor unit.

9-2-8. Remote Controller Selector Switch Setting

Guide to setting the remote controller selector switch for multi-room installations.

9-2-9. Check and Test Operation

Procedures for verifying the installation and performing test operations.

9-3. Outdoor Unit Installation

Procedures for installing the outdoor unit, including placement and securing.

9-3-6. Refrigerant Piping Connection

Instructions for connecting refrigerant pipes, including flaring and tightening.

9-3-7. Installation Guidelines

General guidelines for installing the outdoor unit, including placement and fixing.

9-3-8. Evacuating

Steps for evacuating air and moisture from the refrigerant system using a vacuum pump.

9-3-9. Electrical Work

Instructions for connecting the power supply and wiring the unit.

9-3-10. R410A Check and Test Operation

Specific checks and tests for R410A systems after installation.

9-3-11. Miswiring (Mispiping) Check

Procedure to check for miswiring or mispiping using LED indicators.

How to Diagnose the Trouble

10-1. First Confirmation

Basic checks to confirm power supply and voltage before troubleshooting.

10-2. Primary Judgment

Initial troubleshooting steps involving LED indicators and basic checks.

10-3. Indoor Unit LED Diagnosis

Guide to interpreting indoor unit LED blinking patterns for self-diagnosis.

10-4. Self-Diagnosis via Remote Control

How to access and interpret self-diagnosis check codes via the remote control.

10-4-2. Caution at Servicing

Safety precautions to be observed when performing servicing or repairs.

10-5. Symptom-Based Trouble Diagnosis

Symptom-based troubleshooting flowcharts for various issues.

10-5-2. Wiring Failure Diagnosis

Troubleshooting steps for failures related to interconnecting and serial signal wires.

10-6. Outdoor Unit LED Diagnosis

Guide to interpreting outdoor unit LED patterns for self-diagnosis.

10-7. Outdoor Unit Trouble Diagnosis

Flowchart for diagnosing issues within the outdoor unit's inverter assembly.

10-8. Checking Main Parts

Simple procedures to check the functionality of major components like P.C. boards and motors.

10-8-5. Checking Specific Electronic Parts

Methods for checking electrolytic capacitors, converter modules, and IGBT modules.

10-9. Outdoor Fan Motor Check

Steps to determine if the outdoor fan motor is functioning correctly.

How to Replace Main Parts

11-1. Indoor Unit Parts Replacement

Step-by-step guide for replacing main parts of the indoor unit.

11-2. Microcomputer Replacement

Procedure for replacing the microcomputer unit.

11-3. Outdoor Unit Parts Replacement

Step-by-step guide for detaching and replacing main parts of the outdoor unit.

Exploded Views and Parts List

12-1. Indoor Unit Parts

Exploded view and list of parts for the indoor unit.

12-2. Outdoor Unit Parts

Exploded view and list of parts for the outdoor unit.

12-3. P.C. Board Layout

Layout diagrams for the P.C. boards used in the system.

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