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Toshiba RAS-M16NKCV-E User Manual

Toshiba RAS-M16NKCV-E
54 pages
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SERVICE MANUAL
FILE NO.SVM-05019
AIR-CONDITIONER
SPLIT TYPE
RAS-M10NKV-E, RAS-M13NKV-E, RAS-M16NKV-E
RAS-M10NKCV-E, RAS-M13NKCV-E, RAS-M16NKCV-E
R410A
May, 2005
(This service manual provide information only on the indoor units.
For information on the outdoor unit please refer to the service manual
of the outdoor unit.)
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Toshiba RAS-M16NKCV-E Specifications

General IconGeneral
TypeSplit System
Cooling Capacity4.5 kW
Heating Capacity5.0 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Indoor Unit Weight9 kg
Outdoor Unit Weight32 kg

Summary

Specifications

Construction Views

Wiring Diagram

Indoor Unit Wiring Diagram (10k & 13k)

Wiring diagram for the indoor unit of 10k and 13k models, detailing electrical connections.

Wiring Diagram Failure Diagnosis

Provides simple checks for failure diagnosis based on the wiring diagram for the indoor unit.

Electrical Parts Specifications

Control Block Diagram

Indoor Unit Control Block Diagram

Diagram illustrating the control block of the indoor unit, including MCU and various functions.

Remote Controller Functions

Details the functions and signals of the remote controller for different indoor unit models.

Operation Description

Air Conditioner Control Overview

Describes the overall control system of the air conditioner, including indoor and outdoor unit roles.

Capacity Control

Current Release Control

Power Factor Improvement Control

Prevent-Freezing Control

Pulse Modulating Valve (PMV) Control

Louver Control

Indoor Fan Control

Outdoor Fan Control

Operation Circuit Description

Fan Only Operation Mode

Describes the operation mode where only the fan runs, for cooling models.

Cooling Operation Mode

DRY Operation Mode

Heating Operation Mode

Auto Operation Mode

Temporary Operation Modes

Temporary Auto Operation Setup

Explains how to set up temporary auto operation using the RESET button.

Temporary Cooling Operation Setup

Describes how to set up temporary cooling operation with fixed fan and compressor speeds.

Auto Restart Function

Setting the Auto Restart Function

Step-by-step guide on how to enable the auto restart function for the air conditioner.

Canceling the Auto Restart Function

Filter Check Lamp

Turning Off the Filter Check Lamp

Instructions on how to reset the filter check lamp after cleaning the filters.

Remote Control Operation

Remote Control Functions and Buttons

Detailed explanation of each button on the remote control and its corresponding function.

Remote Control Display Indications

Installation Procedure

Installation Safety Precautions

Essential safety warnings and precautions to be followed during the installation process.

Required Installation and Servicing Tools

Indoor Unit Installation Diagram

Included Accessories and Installation Parts

Choosing the Installation Location

Cutting Holes and Mounting Installation Plate

Electrical Work for Installation

Indoor Unit Wiring Connection

Piping and Drain Hose Installation

Indoor Unit Mounting and Fixing

Drainage Installation

Remote Controller Selector Switch Settings

Installation Check and Test Operation

Trouble Diagnosis

Initial Troubleshooting Confirmation

Basic checks to perform before diagnosing the unit, including power supply and voltage confirmation.

Normal Operations Mimicking Malfunctions

Describes normal operating behaviors that might be mistaken for equipment trouble.

Primary Trouble Judgment Methods

Outlines the primary methods for diagnosing troubles, including LED indicators and self-diagnosis.

Indoor Unit LED Fault Diagnosis

Remote Control Self-Diagnosis

Using Remote Control for Service Mode

Step-by-step guide on how to access and use the remote control's service mode for diagnosis.

Service Mode Cautions

Trouble Diagnosis by Symptom

Indoor Unit Symptoms and Diagnosis

Flowchart for diagnosing common symptoms related to the indoor unit and remote controller.

Checking Main Parts

Checking the Indoor Unit P.C. Board

Procedures for inspecting the P.C. board, including precautions and inspection steps.

Checking Other Indoor Unit Parts

Replacing Main Parts

Indoor Unit Part Replacement

Step-by-step guides for replacing the front panel, electrical parts, and horizontal louver.

Exploded Views and Parts List

Indoor Unit Exploded View and Parts

Exploded view diagram and parts list for the indoor unit's electronic components.

Indoor Unit Exploded View and Parts List

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