Toshiba RAS-M13NKV-E User Manual

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.)

Toshiba RAS-M13NKV-E Specifications

General

Cooling Capacity	3.5 kW
Heating Capacity	4.0 kW
SEER	6.1
SCOP	4.0
Refrigerant	R32
Power Supply	220-240V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Coefficient of Performance (COP)	3.61
Outdoor Unit Noise Level	49 dB(A)
Indoor Unit Dimensions (W x H x D)	798 x 293 x 230 mm
Outdoor Unit Weight	27 kg

Summary

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

Indoor Unit Diagrams

Detailed diagrams illustrating the construction and dimensions of the indoor unit.

3. WIRING DIAGRAM

Indoor Unit Wiring Schematics

Wiring diagrams for indoor units, including for 10k/13k and 16k models.

4. SPECIFICATIONS OF ELECTRICAL PARTS

Electrical Parts for RAS-M10/13NK(C)V-E Models

Detailed specifications for electrical components used in specific indoor unit models.

Electrical Parts for RAS-M16NK(C)V-E Models

Detailed specifications for electrical components used in specific indoor unit models.

5. CONTROL BLOCK DIAGRAM

Indoor Unit Control System

Block diagram illustrating the control functions and signal flow within the indoor unit.

6. OPERATION DESCRIPTION

6-1. Outline of Air Conditioner Control

Overview of the air conditioner's control system and unit roles.

6-2. Description of Operation Circuit

Description of the operation circuit and basic functions of the indoor unit.

6-3. Temporary Operation

Information on temporary operation modes and their settings.

6-4. Auto Restart Function

Procedure to enable the automatic restart function after a power failure.

6-5. Filter Check Lamp

Procedure to reset the filter check lamp after cleaning.

6-6. Remote control

Detailed explanation of the remote control's buttons and their functions.

7. INSTALLATION PROCEDURE

7-1. Safety Cautions

Important safety precautions to be followed during installation.

7-2. Installation Diagram of Indoor Units

Visual guide for installing the indoor unit and its components.

7-3. Accessory and Installation Parts

List of included accessories and parts for installation.

8. HOW TO DIAGNOSE THE TROUBLE

8-1. First Confirmation

Initial checks to perform before detailed troubleshooting.

8-2. Primary Judgment

Methods for initial diagnosis of unit issues.

8-3. Judgment by Flashing LED of Indoor Unit

Interpreting LED blinking patterns for self-diagnosis.

8-4. Self-Diagnosis by Remote Control

Using the remote control for advanced self-diagnosis and error code retrieval.

8-4-2. Caution at Servicing

Important safety and operational cautions during servicing procedures.

8-5. Judgement of Trouble by Every Symptom

8-5-1. Indoor unit (Including remote controller)

Symptom-based troubleshooting for the indoor unit and remote controller.

8-8. How to Check Simply the Main Parts

8-8-1. How to Check the P.C. Board (Indoor Unit)

Procedures for inspecting the indoor unit's printed circuit board for defects.

8-8-3. Indoor Unit (Other Parts)

Checking procedures for other indoor unit components like sensors and motors.

9. HOW TO REPLACE THE MAIN PARTS

9-1. Indoor Unit

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

10. EXPLODED VIEWS AND PARTS LIST

10-1. Indoor Unit (E-Parts Assy)

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

10-2. Indoor Unit

Exploded views and parts list for the main assembly of the indoor unit.