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Toshiba RAS-13SKVR-E User Manual

Toshiba RAS-13SKVR-E
120 pages
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R410A
FILE NO. SVM-07036
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
RAS-13SKV-E RAS-13SAV-E
RAS-16SKV-E RAS-16SAV-E
RAS-10SKVR-E RAS-10SAVR-E
RAS-13SKVR-E RAS-13SAVR-E
RAS-16SKVR-E RAS-16SAVR-E
March, 2007

Table of Contents

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Toshiba RAS-13SKVR-E Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
RefrigerantR32
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Indoor Unit Dimensions (WxHxD)798 x 293 x 230 mm
Outdoor Unit Dimensions (WxHxD)780 x 550 x 290 mm
Indoor Unit Weight9 kg
Outdoor Unit Noise Level50 dB(A)

Summary

1. SAFETY PRECAUTIONS

General Public Safety

Ensures safe use of power cord and general servicing practices.

Refrigerant Handling Safety

Precautions for safe handling of R410A refrigerant during installation and servicing.

Electrical Safety

Details electrical safety, high voltage precautions, and proper wiring/grounding.

Operational Warnings

Important warnings regarding installation location, unit modification, electrical safety, and refrigerant handling.

Installation Cautions

Cautions related to installation environment, physical hazards, and seismic protection.

2. SPECIFICATIONS

Model Specifications Table

Presents detailed technical specifications for different air conditioner models.

Operation Characteristic Curves

Graphical representation of cooling/heating performance based on compressor speed.

Capacity Variation Ratios

Illustrates how cooling and heating capacity vary with outdoor temperature.

3. REFRIGERANT R410A

Installation and Servicing Safety

Safety guidelines for installation and servicing of R410A refrigerant systems.

Refrigerant Piping Materials

Specifies required piping materials and joint types suitable for R410A refrigerant.

Piping Material Processing

Details procedures and precautions for cutting and preparing refrigerant piping materials.

Flare Processing Dimensions

Specifies precise dimensions for R410A and R22 flare processing.

Flare Connecting Procedures

Instructions for connecting refrigerant flares and required tightening torque.

Required Installation Tools

Lists essential tools for R410A installation and general tools.

Refrigerant Recharging Procedure

Step-by-step guide for safely recharging refrigerant into the system.

Brazing Materials and Flux

Information on brazing filler materials and the function/types of flux.

Brazing Procedures and Precautions

Details flux characteristics, types, brazing methods, and oxidation prevention.

4. CONSTRUCTION VIEWS

Indoor Unit Construction

Diagrams and dimensions illustrating the construction of the indoor unit.

Outdoor Unit Construction

Diagrams and dimensions for the outdoor unit, including installation clearances.

5. WIRING DIAGRAM

Wiring Diagram for RAS-13 Models

Electrical wiring schematic for RAS-13SKV/SAV and related models.

Wiring Diagram for RAS-16 Models

Electrical wiring schematic for RAS-16SKV/SAV and related models.

6. ELECTRICAL PARTS SPECIFICATIONS

Indoor Unit Electrical Parts

Specifications for electrical components in the indoor unit.

Outdoor Unit Electrical Parts

Specifications for electrical components in the outdoor unit.

7. REFRIGERANT CYCLE DIAGRAM

Refrigerant Flow Diagram

Diagram showing the refrigerant cycle path for various model series.

7. OPERATION DATA

Cooling and Heating Operation Data

Performance data for cooling and heating modes under specified conditions.

8. CONTROL BLOCK DIAGRAM

Indoor Unit Control Logic

Block diagram illustrating indoor unit control logic and functions.

Outdoor Unit Control Logic

Block diagram detailing the outdoor unit's inverter assembly and control system.

9. OPERATION DESCRIPTION

Air Conditioner Control Overview

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

Basic Operation Modes

Explanation of basic operation modes: Cooling, Heating, AUTO, and DRY.

Fan and Louver Control

Details on controlling indoor/outdoor fan speed and louver direction.

Advanced Features and Controls

Description of advanced features like defrost, ECO, air purifying, and self-cleaning.

Indoor Fan Motor Control

Detailed explanation of indoor fan motor speed control in various modes.

Outdoor Fan Motor Control

Procedure for controlling outdoor fan motor speed based on conditions.

Capacity and Current Control

Methods for controlling unit capacity and managing current for performance.

Heat Exchanger Temperature Protection

Protective controls based on indoor heat exchanger temperature.

Defrost Control

Process for defrosting the outdoor heat exchanger during heating.

Louver Control Functions

Functions and adjustments for controlling the louvre's position and airflow.

ECO Operation Mode

Explanation of the ECO mode for energy saving operations.

Temporary and Air Purifying Operations

Procedures for temporary operation and using the air purifying function.

Air Purifying Abnormality and Discharge Control

Handling air purifier abnormalities and discharge temperature control.

Pulse Modulating Valve Control

Operation of the Pulse Modulating Valve for refrigerant flow regulation.

Self-Cleaning Function Operation

Details on the self-cleaning function to maintain indoor unit cleanliness.

Managing Self-Cleaning Function

Instructions for canceling and setting the self-cleaning operation.

Remote Control A/B Selection

Procedure for selecting remote control mode A or B for multi-unit systems.

Quiet and Comfort Sleep Modes

Explanation of QUIET and COMFORT SLEEP modes for user comfort.

One-Touch, Hi-POWER, and Filter Indicator

Functions for One-Touch, Hi-POWER, and filter indicator status.

9. AUTO RESTART FUNCTION

Setting the Auto Restart Function

Steps to enable the auto restart function for power failure recovery.

Canceling Auto Restart and Timer Issues

Procedure to cancel auto restart and handle timer issues during power failure.

9. REMOTE CONTROL FUNCTIONS

Remote Control Overview

Overview of remote control buttons and display indicators.

Remote Control Operations

Instructions for operating various functions using the remote control.

Advanced Remote Operations

Details on advanced remote operations like Preset, Quiet, and Sleep Timer.

Remote Controller Display Indicators

Explanation of indicators displayed on the remote control.

10. INSTALLATION PROCEDURE

Installation Safety Precautions

Safety precautions and warnings before commencing installation.

10. PARTS AND ACCESSORIES

Optional and Included Parts

Lists optional parts, accessories, and included items for installation.

10. INSTALLATION TOOLS

R410A Specific Tools

Lists tools required for R410A installation, noting R22 differences.

10. INDOOR UNIT INSTALLATION

Installation Location and Precautions

Guidelines for indoor unit placement and remote controller positioning.

Electrical Work and Wiring

Requirements and procedures for electrical work and wiring connections.

Piping and Drain Hose Installation

Steps for installing piping and the drain hose, including panel modification.

Drain Hose and Pipe Connection Details

Details on attaching drain components and connecting pipes for various configurations.

Indoor Unit Mounting and Drainage

Instructions for mounting the indoor unit and ensuring proper drainage.

10. OUTDOOR UNIT INSTALLATION

Outdoor Unit Placement Precautions

Key considerations for selecting the optimal outdoor unit installation location.

Outdoor Unit Drainage and Piping

Procedures for outdoor unit drainage and refrigerant piping connection.

Evacuating and Air Purge Procedure

Step-by-step guide for performing evacuation and air purging.

Outdoor Unit Wiring Connection

Instructions for connecting power and control wiring to the outdoor unit.

10. TEST OPERATION

Gas Leak Test and Basic Test

Procedures for gas leak testing and initial system operation verification.

Auto Restart and Remote Control Settings

Configuration of auto restart and remote control A/B selection.

11. TROUBLESHOOTING GUIDE

Troubleshooting Procedure Overview

Overview of troubleshooting steps for diagnosing unit problems.

Inverter Handling Precautions

Critical safety warnings for handling the 3DV inverter module.

Circuit Board Safety Precautions

Safety measures for inspecting/replacing circuit boards, especially high voltage components.

11. INITIAL TROUBLESHOOTING STEPS

Power and Normal Operation Checks

Checks for power supply, voltage, and normal operation behaviors.

11. DIAGNOSIS BY INDOOR UNIT LED

Indoor Unit LED Error Codes

Interpretation of indoor unit LED flashing patterns for error diagnosis.

11. REMOTE CONTROL SELF-DIAGNOSIS

Using Remote Controller for Service Mode

Procedure to enter service mode and read diagnostic check codes.

Check Code Troubleshooting Actions

Troubleshooting actions based on identified check codes and causes.

11. TROUBLESHOOTING BY SYMPTOMS

Indoor Unit - No Power Issues

Troubleshooting steps for indoor unit power-on issues.

Indoor Fan Motor Not Operating

Flowchart for diagnosing indoor fan motor non-operation.

Indoor Fan Motor Auto-Start Issues

Troubleshooting steps for indoor fan motor auto-start issues.

AC Fan Motor Troubleshooting

Procedure for checking AC fan motor winding resistance.

Remote Controller Troubleshooting

Flowchart for diagnosing and resolving remote controller problems.

11. WIRING FAILURE DIAGNOSIS

Outdoor Unit Operation Failures

Troubleshooting wiring failures affecting outdoor unit operation.

11. ERROR CODE DIAGNOSIS

Miswiring and Sensor Error Codes

Troubleshooting for miswiring (1C) and sensor errors (1E).

11. AIR PURIFIER TROUBLESHOOTING

Checking Air Purifier Functionality

Procedure to check the functionality of the air purifier system.

Minus Ion Generator Check

Steps to verify the functionality of the minus ion generator.

11. OUTDOOR UNIT INVERTER DIAGNOSIS

Inverter Assembly Inner Diagnosis

Summarized diagnostic process for the outdoor unit inverter assembly.

11. MAIN PARTS CHECK

Indoor Unit P.C. Board Check

Precautions and procedures for checking the indoor unit P.C. board.

Indoor Unit Component Checks

Check procedures for indoor unit components like power supply and motors.

11. PC BOARD LAYOUT

Indoor Unit P.C. Board Diagram (RAS-10/13 Series)

P.C. board layout and sensor characteristics for RAS-10/13 Series.

Indoor Unit P.C. Board Diagram (RAS-16 Series)

P.C. board layout and sensor characteristics for RAS-16 Series.

11. PART CHECK PROCEDURES

Indoor Unit Part Checks

Procedures for checking indoor unit sensors, remote control, and fan motors.

Outdoor Unit Part Checks

Procedures for checking outdoor unit components: compressor, motors, sensors, valves.

11. COMPONENT CHECK METHODS

Capacitor and Diode Block Checks

Methods for checking electrolytic capacitors and diode blocks.

11. OUTDOOR FAN MOTOR JUDGEMENT

Judging Outdoor Fan Motor Condition

Procedure to diagnose outdoor fan motor condition based on symptoms and causes.

12. REPLACEMENT PROCEDURES

Indoor Unit - Front Panel Replacement

Steps for safely removing and replacing the indoor unit front panel.

Indoor Unit - High Voltage Generator Replacement

Procedure for replacing the indoor unit's high voltage generator.

Indoor Unit - Electric Parts Box Replacement

Steps for removing and replacing the indoor unit's electric parts box.

Indoor Unit - Horizontal Louver Replacement

Procedure for removing and replacing the horizontal louver.

Indoor Unit - Evaporator Replacement

Steps for removing and replacing the indoor unit heat exchanger (evaporator).

Indoor Unit - Bearing Replacement

Procedure for removing and replacing the fan motor bearing.

Indoor Unit - Fan Motor Replacement

Steps for removing and replacing the indoor unit fan motor.

Indoor Unit - Cross Flow Fan Reassembly

Instructions for correctly reassembling the cross flow fan after motor replacement.

12. MICROCOMPUTER REPLACEMENT

Indoor Unit P.C. Board Layout and Replacement

Microcomputer replacement and P.C. board layout for RAS-10/13 Series.

Indoor Unit P.C. Board Layout (RAS-16 Series)

P.C. board layout for the RAS-16 Series.

12. OUTDOOR UNIT DISASSEMBLY/ASSEMBLY

Outdoor Unit Cabinet and Cover Removal

Procedures for removing and attaching outdoor unit cabinets and covers.

Outdoor Unit Front Cabinet Removal

Steps for detaching and attaching the front cabinet of the outdoor unit.

Outdoor Unit Inverter Assembly Replacement

Procedure for checking, discharging, and replacing the outdoor unit's inverter assembly.

Outdoor Unit Control Board Replacement

Procedure for replacing the outdoor unit control board assembly.

Outdoor Unit Cabinet and Fan Motor

Procedures for removing/installing outdoor unit side cabinets and fan motor.

Outdoor Unit Compressor and Reactor

Procedures for removing and replacing the outdoor unit compressor and reactor.

Outdoor Unit Expansion Valve and Fan Guard

Procedures for replacing outdoor unit expansion valve coil and fan guard.

11. SENSOR CHECK PROCEDURES

Outdoor Unit Sensor Installation/Checking

Instructions for installing and checking outdoor unit sensors (TE, TS, TD, TO).

11. TEMPERATURE SENSOR REPLACEMENT

Temperature Sensor Service Procedure

Method for replacing temperature sensors, including parts list.

13. EXPLODED VIEWS AND PARTS LIST

Indoor Unit Parts List

Exploded view and parts list for indoor unit components.

Indoor Unit Parts List (Continued)

Continued exploded view and parts list for indoor unit components.

Outdoor Unit Parts List

Exploded view and parts list for outdoor unit components.

Outdoor Unit Parts List (Continued)

Continued parts list for outdoor unit components.

13. PC BOARD LAYOUT

P.C. Board Diagrams

Layout diagrams of the unit's P.C. boards.

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