Toshiba RAS-13N3KV-E Service Manual

Toshiba RAS-13N3KV-E Service Manual

Split type air conditioner
Table of Contents

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FILE NO. SVM-12039

SERVICE MANUAL

SPLIT TYPE
Indoor Unit
Outdoor Unit
<High Wall, Heat Pump Type>
<Heat Pump Type>
RAS-13N3KV-E
RAS-13N3AV-E
R410A
July, 2012

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Table of Contents
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Summarization of Contents

Safety Precautions
General Safety Warnings
Covers critical CAUTION, WARNING, and DANGER statements for installation and operation.
Specifications
Unit Specifications
Detailed specifications for indoor and outdoor units, including dimensions, weight, and performance data.
Operation Characteristic Curves
Graphs showing compressor speed vs. current and capacity variation by temperature.
Refrigerant R410A
3-1. Safety During Installation/Servicing
Safety precautions for handling R410A refrigerant during installation and servicing.
3-2. Refrigerant Piping Installation
Guidelines for installing refrigerant piping, including material selection and joint types.
3-4. Recharging of Refrigerant
Step-by-step procedure for recharging refrigerant into the air conditioner system.
Construction Views
4-1. Indoor Unit
Exploded views and diagrams showing the internal components and dimensions of the indoor unit.
4-2. Outdoor Unit
Exploded views and diagrams showing the internal components and dimensions of the outdoor unit.
Wiring Diagram
Electrical Wiring Diagram
Schematic diagram illustrating the electrical connections and components of the air conditioner.
Specifications of Electrical Parts
Electrical Component Specifications
Lists electrical parts and their specifications for both indoor and outdoor units.
Refrigerant Cycle Diagram
Refrigerant Flow Diagram
Diagram illustrating the flow of refrigerant through the system, including key components.
Operation Data
Cooling and Heating Operation Data
Table showing operating data for cooling and heating conditions, including pressures and temperatures.
Control Block Diagram
8-1. Indoor Unit Control Logic
Block diagram showing the control logic and components of the indoor unit.
8-2. Outdoor Unit Control Logic
Block diagram illustrating the control logic and components of the outdoor unit's inverter assembly.
Operation Description
9-1. Outline of Air Conditioner Control
Overview of the air conditioner's overall control system and functions.
Basic Operation Modes
Covers basic, cooling/heating, AUTO, and DRY operational modes.
Indoor Fan Motor Control
Explains fan speed control for the indoor unit in cooling and heating.
Capacity Control
Describes how cooling or heating capacity is adjusted by compressor revolution.
Defrost Control (Heating)
Function to remove frost from the outdoor heat exchanger during heating.
ECO Operation
Performs economical operation by adjusting temperature and fan speed.
9-4. Remote Control Operations
Details the functions and operation of the remote controller.
Installation Procedure
10-1. Installation Diagram of Indoor and Outdoor Units
Visual guide showing the placement and connection of indoor and outdoor units.
10-2-3. Installation/Servicing Tools
Lists new tools required for R410A systems and changes from R22 models.
10-3. Indoor Unit Installation
Guidance on selecting a location, cutting holes, mounting plates, and wiring the indoor unit.
10-4. Outdoor Unit Installation
Procedures for installing the outdoor unit, including piping, wiring, and evacuation.
How to Diagnose the Trouble
Handling Inverter and High Voltage Precautions
Safety warnings and precautions when working with the inverter and high-voltage circuits.
Initial Confirmation and Primary Judgment
Initial checks for power, voltage, and basic operation status.
Self-Diagnosis using LED and Remote Controller
Methods for diagnosing faults using indoor unit LEDs and remote controller check codes.
Troubleshooting Specific Issues
Diagnostic steps for common problems like no power, fan issues, and unit stopping.
Checking Main Parts
Procedures for checking key components like PC boards, sensors, motors, and valves.
How to Replace the Main Parts
Indoor Unit Part Replacement
Step-by-step instructions for replacing major indoor unit parts like front panel, PC board, and fan motor.
Outdoor Unit Part Replacement
Procedures for replacing major outdoor unit components such as cabinets, inverter, compressor, and sensors.
Exploded Views and Parts List
Indoor Unit Parts List
Exploded views and lists of parts for the indoor unit.
Outdoor Unit Parts List
Exploded views and lists of parts for the outdoor unit.
P.C. Board Layout
Diagram showing the layout of the PC board and the location of components and connectors.

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