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Toshiba RAS-M18UAV-E Service Manual

Toshiba RAS-M18UAV-E
114 pages
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R410A
FILE NO. A010-024
PRINTED IN JAPAN, Mar., 2011
SERVICE MANUAL
SPLIT TYPE
<Heat Pump Type>
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RAS-M10PKVP-E
RAS-M13PKVP-E
RAS-M16PKVP-E
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RAS-M18UAV-E
AIR-CONDITIONER

Table of Contents

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Toshiba RAS-M18UAV-E Specifications

General IconGeneral
TypeSplit System
Cooling Capacity5.0 kW
InverterYes
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Indoor Unit Weight10 kg
RefrigerantR32

Summary

Safety Precautions

New Refrigerant Air Conditioner Installation

Guidelines for R410A refrigerant installation, emphasizing safety and proper procedures.

Specifications

General and Performance Specifications

Details on unit models, capacities, power supply, and electrical characteristics.

Refrigerant R410A

Safety and Piping Installation

Safety precautions and guidelines for handling R410A refrigerant during installation and servicing.

Construction Views

Indoor and Outdoor Unit Views

Exploded views and diagrams of the indoor unit's construction and dimensions.

Wiring Diagram

Indoor and Outdoor Unit Wiring

Schematic diagram of electrical connections within the indoor unit.

Specifications of Electrical Parts

Indoor and Outdoor Unit Electrical Parts

List of indoor unit electrical components with specifications and model numbers.

Refrigerant Cycle Diagram

Cycle Diagram and Operation Data

Visual representation of refrigerant flow and system components.

Control Block Diagram

Indoor and Outdoor Unit Control Blocks

Diagram of control logic and signal flow for the indoor unit.

Operation Description

Outline of Air Conditioner Control

Overview of the air conditioner's control system, including indoor/outdoor unit functions.

Auto Restart Function

Details on setting, cancelling, and behavior of the auto restart function after power failure.

Remote Controller Functions

Explanation of remote controller parts and indicators for unit operation.

Installation Procedure

Installation Safety and Unit Setup

Essential safety warnings and precautions for the installation process.

Indoor Unit Installation Steps

Detailed instructions for indoor unit installation, including placement and wiring.

Outdoor Unit Installation Steps

Procedures for outdoor unit installation, covering location, piping, and electrical work.

Test Operation Procedures

Steps for gas leak tests, system test operations, and remote controller settings post-installation.

How to Diagnose the Trouble

Initial Confirmation & Judgment

Initial checks, primary judgments, and LED indications for diagnosing basic issues.

Self-Diagnosis and Check Codes

Procedures for remote controller self-diagnosis and interpreting check codes.

Symptom-Based Troubleshooting

Troubleshooting guide based on symptoms for indoor unit and wiring issues.

Outdoor LED Diagnosis & Air Purifier Check

Interpreting outdoor unit LED indicators and troubleshooting the air purifier function.

Outdoor Unit Diagnosis & Part Inspection

Diagnosis for outdoor unit inverter and inspection of main parts.

How to Replace the Main Parts

Indoor Unit Component Replacement

Step-by-step instructions for disassembling and replacing indoor unit components.

Plasma Ion Charger & Outdoor Unit Replacement

Procedures for replacing the plasma ion charger and associated units.

Exploded Views and Parts List

Indoor Unit Views & Parts

Illustrated breakdown of the indoor unit with part numbers and descriptions.

Microcomputer P.C. Board Parts

Exploded view and parts list for microcomputer P.C. board components.

Outdoor Unit Views & Parts

Illustrated breakdown of the outdoor unit with part numbers and descriptions.

P.C. Board Layout

Diagrams of P.C. board layouts and sensor characteristic curves.

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