Toshiba RAS-M18GAV-E Service Manual

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R410A

FILE NO. A05-009

PRINTED IN JAPAN, Nov.,2005 ToMo

SERVICE MANUAL

SPLIT TYPE

<Heat Pump Type> <Cooling OnlyType>

Indoor Unit Indoor Unit

RAS-B10GKVP-E RAS-M10GKCVP-E

RAS-B13GKVP-E RAS-M13GKCVP-E

RAS-B16GKVP-E RAS-M16GKCVP-E

Outdoor Unit Outdoor Unit

RAS-M14GAV-E RAS-M14GACV-E

RAS-M18GAV-E RAS-M18GACV-E

Heronhill - for all your Toshiba requirements

Tel: 01823 665660

www.heronhill.co.uk

Fax: 01823 665807

Table of Contents

Other manuals for Toshiba RAS-M18GAV-E

Owner's Manual63 pages

Installation Manual19 pages

Questions and Answers:

A
Amanda ScottAug 7, 2025
Why is my Toshiba RAS-M18GAV-E Air Conditioner not cooling or heating properly?
- E
  ewilsonAug 7, 2025
  Several factors can cause poor cooling or heating performance in your Toshiba Air Conditioner. Check if the air inlet or outlet of the outdoor unit is blocked. Ensure that doors and windows are closed. A clogged air filter, incorrect louver position, or low fan speed can also affect performance. Verify that the air conditioner is not set to DRY or ECO mode, and adjust the temperature setting if it's too high (during cooling) or too low (during heating).
G
garciasarahAug 17, 2025
What to do if my Toshiba Air Conditioner is inoperative?
- H
  harmonjoshuaAug 17, 2025
  If your Toshiba Air Conditioner is inoperative, first, ensure that the main power switch is turned on and the circuit breaker hasn't been activated. Check if the main power fuse has blown or if there's an electric current stoppage. Also, verify the batteries in the remote control and make sure the ON timer is not set. Note that the air conditioner may not operate for three minutes immediately after restarting or turning on due to a protective mechanism.
D
David MontgomeryAug 27, 2025
What to do if my Toshiba Air Conditioner is not turning on?
- S
  suzannewattsAug 27, 2025
  If your Toshiba Air Conditioner is inoperative, consider the following: * Ensure the power main switch is turned on. * Check if the circuit breaker has been activated, cutting off the power supply. * Inspect the main power fuse to see if it has blown. * Verify that the electric current is flowing. * Replace the batteries in the remote control if they are depleted. * Check if the ON timer is set. * Note that the air conditioner has a protective mechanism that prevents operation for three minutes immediately after restarting or turning on the main power.

Toshiba RAS-M18GAV-E Specifications

General

Cooling Capacity	5.0 kW
Refrigerant	R410A
Energy Efficiency Ratio (EER)	3.21
Power Supply	220-240V, 50Hz
Coefficient of Performance (COP)	3.61
Outdoor Unit Dimensions (W x H x D)	780 x 550 x 290 mm
Type	Split Type

Summary

Toshiba Air Conditioner Safety Precautions

General Safety Guidelines and Refrigerant Handling

Covers general safety, refrigerant R410A handling, installation, and cautions.

Appliance Disconnection and Danger/Warning Notes

Details on disconnecting power, danger warnings, and cautionary advice for safe operation.

Toshiba Air Conditioner Specifications

Model Compatibility and Specifications

Lists connectable models and specifications for heat pump and cooling-only types.

Performance Specifications and Operation Data

Details performance specifications for cooling/heating and relevant operation data tables.

Refrigerant R410A Information

Safety During Installation and Servicing

Emphasizes safety precautions and necessary tools for R410A refrigerant.

Refrigerant Piping Installation and Brazing

Covers piping materials, joints, processing techniques, and brazing methods.

Construction Views and Diagrams

Indoor Unit Assembly and Dimensions

Provides exploded views and dimensional details for the indoor unit.

Outdoor Unit Assembly and Dimensions

Provides exploded views and dimensional details for the outdoor unit.

Wiring Diagrams

Indoor Unit Wiring Diagram

Detailed wiring schematic illustrating the indoor unit's electrical connections.

Outdoor Unit Wiring Diagram

Detailed wiring schematic illustrating the outdoor unit's electrical connections.

Specifications of Electrical Parts

Electrical Component Specifications

Lists specifications for various electrical parts used in indoor and outdoor units.

Refrigerant Cycle Diagram

Refrigerant Cycle Diagram and Operation Data

Illustrates the refrigerant flow and provides operational data for various conditions.

Control Block Diagrams

Control Block Diagrams for Indoor and Outdoor Units

Outlines the control logic and interconnections between indoor and outdoor units.

Operation Description

Overview and Basic Operation Controls

Explains the general control flow, indoor/outdoor unit roles, and basic operations.

Advanced Operation Modes and Features

Details special modes like Hi-POWER, Auto Restart, Air Purifying, and Timer functions.

Installation Procedure

General Installation Guidelines and Safety

Covers safety cautions, optional parts, accessories, and general installation notes.

Unit Specific Installation Procedures

Details installation steps for indoor units, outdoor units, and model combinations.

How to Diagnose the Trouble

Initial Diagnosis and LED Indicators

Covers first confirmation, primary judgment, LED indicators, and basic checks.

Symptom-Based Troubleshooting

Provides detailed troubleshooting steps based on symptoms and check codes.

How to Replace the Main Parts

Indoor Unit Component Replacement

Step-by-step guide for replacing indoor unit parts like front panel and microcomputer.

Outdoor Unit Component Replacement

Step-by-step guide for replacing outdoor unit parts like cabinets, fan motor, and compressor.

Exploded Views and Parts List

Indoor Unit Exploded Views and Parts

Visual breakdown of indoor unit components with location and part numbers.

Outdoor Unit Exploded Views and Parts

Visual breakdown of outdoor unit components with location and part numbers.

Appendix: Cord Heater Installation

Installation Requirements, Tools, and Procedures

Details required parts, tools, wiring diagrams, and installation steps for cord heaters.

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