Related Manuals for Toshiba RAS-18SKV2-E
Summarization of Contents
1. SAFETY PRECAUTIONS
General Safety Advice
Covers general public use precautions, bullet points, and initial cautions for safe operation.
Refrigerant Installation Safety
Details precautions for new refrigerant R410A installation, including impurity prevention and pressure handling.
Electrical Safety and Warnings
Covers electrical safety, high voltage warnings, power disconnection, wiring, and grounding requirements.
2. SPECIFICATIONS
Unit Specifications
Provides detailed technical specifications for the indoor and outdoor units, including capacities and dimensions.
Performance Curves
Illustrates operating characteristic curves and capacity variation ratios based on temperature.
3. REFRIGERANT R410A
Installation and Servicing Safety
Covers safety precautions during installation and servicing of R410A systems, emphasizing tool and material compatibility.
Piping Materials and Specifications
Details required copper pipe types, thicknesses, and joint specifications for R410A systems.
Flare Connection Procedures
Explains the correct procedures and precautions for flare connecting pipes, including torque specifications.
Required Tools for R410A
Lists tools specifically required for R410A air conditioner installation and servicing.
Refrigerant Recharging Procedure
Provides a step-by-step guide for recharging refrigerant, including evacuation and charging methods.
Brazing Pipes and Procedures
Details materials, flux requirements, and procedures for brazing refrigerant pipes to prevent oxidation.
4. CONSTRUCTION VIEWS
Indoor Unit Diagrams
Illustrates the construction and dimensions of the indoor unit, including component locations.
Outdoor Unit Diagrams
Provides construction views and dimensions for the outdoor unit, detailing its components and overall structure.
5. WIRING DIAGRAM
System Wiring Diagram
Presents the complete wiring diagram for both indoor and outdoor units, showing electrical connections.
6. SPECIFICATIONS OF ELECTRICAL PARTS
Indoor Unit Electrical Parts
Lists electrical parts used in the indoor unit with their corresponding types, models, and ratings.
Outdoor Unit Electrical Parts
Details electrical components in the outdoor unit, including model names and operational ratings.
7. REFRIGERANT CYCLE DIAGRAM
Refrigerant Cycle Schematic
Diagram illustrating the refrigerant flow and key components in the air conditioning system.
Operation Data Tables
Presents operational data for cooling and heating modes, including temperature and pressure conditions.
8. CONTROL BLOCK DIAGRAM
Indoor Unit Control Diagram
Shows the control block diagram for the indoor unit, including MCU functions and remote controller interface.
Outdoor Unit Control Diagram
Illustrates the control block diagram for the outdoor unit's inverter assembly and M.C.U.
9. OPERATION DESCRIPTION
Air Conditioner Control Overview
Describes the overall control architecture, roles of indoor/outdoor controllers, and communication signals.
Detailed Operation Descriptions
Explains various operational modes like basic, cooling, heating, AUTO, and DRY operations.
Auto Restart Function
Details the auto restart function, including how to set, cancel, and handle power failures during timer operation.
Remote Controller Functions
Covers the functions and operations of the remote controller, including mode selection and indicators.
10. INSTALLATION PROCEDURE
Installation Diagrams
Provides diagrams for the installation of indoor and outdoor units, including placement and piping layout.
Optional Installation Parts
Lists and describes optional parts required for installation, such as refrigerant piping and insulation material.
Accessory and Installation Parts
Details the accessories and installation parts included with the unit, like remote controls and filters.
Installation and Servicing Tools
Lists tools needed for installation and servicing, highlighting changes for R410A systems.
Indoor Unit Installation Location
Specifies requirements for the indoor unit's installation place, avoiding sunlight and RF sources.
Drilling Hole and Mounting Plate
Guides on drilling the pipe hole and mounting the installation plate for the indoor unit.
Electrical Work Requirements
Outlines electrical work requirements, including supply voltage, circuit breaker connection, and wire type.
Wiring Connection Procedure
Details the steps for connecting the indoor and outdoor unit wiring, including cable routing.
Piping and Drain Hose Installation
Covers the installation of refrigerant piping and drain hoses, emphasizing insulation and proper routing.
Pipe Bending and Connection
Provides guidelines for bending connecting pipes and connecting them to the unit, with bending radius tables.
Indoor Unit Mounting and Drainage
Explains the process of mounting the indoor unit onto the installation plate and drain hose setup.
Outdoor Unit Installation Location
Specifies suitable locations for the outdoor unit, considering space, noise, wind, and environmental factors.
Outdoor Unit Drainage and Piping
Details water drainage from the outdoor unit base and refrigerant piping connection procedures.
Evacuating Air from Piping
Describes the procedure for evacuating air and moisture from the refrigerant piping using a vacuum pump.
Outdoor Unit Wiring Connection
Outlines the steps for connecting the power cord and connecting cable to the outdoor unit's terminal block.
Test Operation and Settings
Covers test operations, gas leak tests, auto restart setup, and remote controller A/B selection.
11. HOW TO DIAGNOSE THE TROUBLE
Troubleshooting Procedure Overview
Outlines the general procedure for diagnosing troubles, starting with confirmation and primary judgment.
High Voltage Safety Precautions
Details critical safety precautions when working with high voltage circuits, especially on the control board.
Initial Confirmation Steps
Covers initial checks like power supply, voltage, and identifying normal operation vs. potential issues.
Primary Judgment Methods
Explains methods for primary judgment, including flashing LEDs and symptom analysis.
Indoor Unit LED Fault Diagnosis
Describes how to interpret flashing LEDs on the indoor unit for self-diagnosis and fault identification.
Remote Controller Self-Diagnosis
Details how to use the remote controller in service mode to perform self-diagnosis and retrieve check codes.
Servicing Cautions and Check Codes
Provides cautions during servicing and lists check codes with their corresponding causes and actions.
Symptom Troubleshooting (Indoor Unit)
Guides on diagnosing indoor unit issues based on symptoms like non-operation or incorrect display.
Indoor Fan Motor Troubleshooting
Provides troubleshooting steps for issues related to the indoor fan motor not operating correctly.
Indoor Fan Auto Rotation Troubleshooting
Addresses the issue of the indoor fan motor automatically rotating upon power supply.
Remote Controller Issues
Guides on troubleshooting problems related to the remote controller, including transmission and battery issues.
Wiring Failure Diagnosis
Details troubleshooting steps for wiring failures, including voltage checks and signal communication issues.
Check Code Diagnosis
Explains diagnostic procedures for check codes 1C and 1E, related to miswiring and gas leakage.
Outdoor Unit Troubleshooting Flowchart
Provides a flowchart for diagnosing troubles within the outdoor unit's power supply and fan motor.
Indoor PC Board Checks
Describes how to check the indoor unit's PC board for defects, including visual inspection.
Indoor PC Board Layout and Sensor Data
Shows the layout of the indoor PC board and provides sensor characteristic data for troubleshooting.
Indoor Unit Component Resistance Checks
Details resistance checks for various indoor unit components like sensors and motors.
Outdoor Unit Component Resistance Checks
Provides resistance check procedures for outdoor unit components such as compressor and fan motor.
Checking Capacitors and Diodes
Explains the checking methods for electrolytic capacitors and diode blocks on the PC board.
Outdoor Fan Motor Diagnosis
Provides steps to diagnose the outdoor fan motor's condition, checking rotation and resistance.
12. HOW TO REPLACE THE MAIN PARTS
Indoor Unit Component Replacement
Guides on replacing major components of the indoor unit, including front panel and electrical parts.
Outdoor Unit Component Replacement
Details the procedures for replacing components of the outdoor unit, such as cabinets and the inverter.
Sensor Replacement Procedures
Provides instructions for replacing temperature sensors (TE, TS, TD, TO) on the outdoor unit.
13. EXPLODED VIEWS AND PARTS LIST
Indoor Unit Exploded View and Parts List
Shows an exploded view and parts list for the indoor unit's main components.
Indoor Unit (Part-E) Exploded View
Presents an exploded view and parts list for specific components of the indoor unit.
Outdoor Unit Exploded View and Parts List
Illustrates the exploded view and provides a parts list for the outdoor unit's components.
Outdoor PC Board Layout
Diagram showing the layout of the PC board and associated components in the outdoor unit.
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