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Toshiba RAS-167SKV-E5 User Manual

Toshiba RAS-167SKV-E5
98 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
RAS-167SKV-E5 RAS-167SAV-E5
March, 2013
FILE NO. SVM-13027
RAS-16EKV-EE RAS-16EAV-EE

Table of Contents

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Toshiba RAS-167SKV-E5 Specifications

General IconGeneral
TypeSplit System
Heating Capacity5.0 kW
Power Supply220-240 V, 50 Hz
RefrigerantR410A
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Outdoor Unit Dimensions (WxHxD)780x550x290 mm
Noise Level (Outdoor Unit)52 dB(A)

Summary

SAFETY PRECAUTIONS

SPECIFICATIONS

REFRIGERANT R410A

Safety During Installation/Servicing

Precautions for safe installation and servicing with R410A refrigerant.

Refrigerant Piping Installation

Guidelines for installing refrigerant piping, including materials and joints.

Tools

Required Tools

Lists tools exclusive to R410A and general tools for installation.

Recharging of Refrigerant

Brazing of Pipes

Materials for Brazing

Explains types of silver and phosphor bronze brazing fillers.

Brazing

Details on preventing oxidation during brazing.

CONSTRUCTION VIEWS

Indoor Unit

Diagrams and dimensions of the indoor unit and its parts.

Outdoor Unit

WIRING DIAGRAM

SPECIFICATIONS OF ELECTRICAL PARTS

Indoor Unit

Lists electrical parts used in the indoor unit with their specifications.

Outdoor Unit

Lists electrical parts used in the outdoor unit with their specifications.

REFRIGERANT CYCLE DIAGRAM

Operation Data

CONTROL BLOCK DIAGRAM

Indoor Unit

Block diagram showing the control functions of the indoor unit.

Outdoor Unit (Inverter Assembly)

OPERATION DESCRIPTION

Outline of Air Conditioner Control

Overview of the air conditioner's capacity-variable control system.

Operation Description

Explains basic operations, fan control, and mode selections.

Auto Restart Function

Details on setting and canceling the auto restart function.

Remote Controller and Its Fuctions

Explains the functions and operations of the remote controller.

Outdoor fan motor control

Capacity control

Release protective control by temperature of indoor heat exchanger

Defrost control (Only in heating operation)

Louver control

ECO operation

Temporary operation

Discharge temperature control

Pulse Modulating valve (P.M.V.) control

Self-Cleaning function

Remote-A or B selection

Hi-POWER Mode

INSTALLATION PROCEDURE

Installation Diagram of Indoor and Outdoor Units

Illustrates placement and clearances for indoor and outdoor units.

Optional installation parts

Accessory and installation parts

Installation/Servicing Tools

Indoor Unit

Installation place

Guidelines for selecting an appropriate location for the indoor unit.

Cutting a hole and mounting installation plate

Instructions for cutting wall holes and mounting the installation plate.

Electrical work

Wiring connection

Piping and drain hose installation

Indoor unit fixing

Drainage

Installation place

Precautions about Installation in Regions with Snowfall and Cold Temperatures

Refrigerant piping connection

Evacuating

Wiring connection

Others

Gas leak test

Procedures for checking refrigerant gas connections for leaks.

Test operation

How to perform a test run of the air conditioner.

HOW TO DIAGNOSE THE TROUBLE

First Confirmation

Verifies power supply, voltage, and normal operation status.

Primary Judgment

Initial diagnosis methods including LED flashing and remote controller self-diagnosis.

Judgment by Flashing LED of Indoor Unit

Interprets indoor unit LED flashing codes for self-diagnosis.

Self-Diagnosis by Remote Controller (Check Code)

Using the remote controller in service mode to diagnose faults via check codes.

Judgment of Trouble by Every Symptom

Diagnosing issues based on observed symptoms like no power or fan malfunction.

Check Code 1C and 1E

Troubleshooting guide for miswiring and discharge temperature errors.

Diagnose Trouble in Outdoor Unit

Procedures for diagnosing inverter assembly issues in the outdoor unit.

Check the P.C. Board (Indoor Unit)

Steps for checking the indoor unit's P.C. board and its components.

Judge Whether Outdoor Fan Motor is Good or Bad

Method to determine the condition of the outdoor fan motor.

HOW TO REPLACE THE MAIN PARTS

Indoor Unit

Procedures for replacing main parts of the indoor unit.

Outdoor Unit

EXPLODED VIEWS AND PARTS LIST

Indoor Unit (E-Parts)

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

Indoor Unit

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

Outdoor Unit

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

P.C. Board Layout

Diagram showing the layout of components on the P.C. board.

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