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Toshiba RAS-B16N3KV2-E User Manual

Toshiba RAS-B16N3KV2-E
104 pages
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R410A
SERVICE MANUAL
SPLIT TYPE
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
August, 2012
FILE NO. SVM-12061
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RAS-B16N3KV2-E RAS-16N3AV2-E

Table of Contents

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Toshiba RAS-B16N3KV2-E Specifications

General IconGeneral
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
Power Supply220-240 V, 50 Hz
RefrigerantR32
Weight (Indoor Unit)9 kg
Coefficient of Performance (COP)3.61
TypeSplit Air Conditioner
Noise Level (Indoor Unit)21 dB

Summary

Safety Precautions

Critical Installation & Handling Dangers

Critical warnings for qualified personnel and installation practices.

Installation & Electrical Warnings

Detailed warnings about installation, electrical work, and refrigerant handling.

Refrigerant R410A

R410A Installation & Servicing Safety

Safety precautions specific to R410A refrigerant during installation and servicing.

Refrigerant Piping Installation Guidelines

Guidelines for installing refrigerant piping using appropriate materials.

Piping Materials and Joints

Details on copper pipes, flare joints, and socket joints for piping.

Piping Material Processing

Procedures for cutting pipes and preparing flare nuts for installation.

Flare Processing Dimensions & Methods

Dimensions and methods for flare processing R410A pipes.

Flare Connecting Procedures & Precautions

Steps and precautions for connecting flare joints, including torque values.

Recharging Refrigerant Procedure

Step-by-step procedure for recharging refrigerant.

Wiring Diagram

Refrigerant Cycle Diagram

Control Block Diagram

Operation Description

Defrost Control (Heating Operation)

Procedure for removing frost from the outdoor heat exchanger.

Defrost Operation Details

Conditions and procedures for defrost operation and return to heating.

Installation Procedure

Indoor/Outdoor Unit Installation Diagram

Illustrates the placement and connection of indoor and outdoor units.

Outdoor Unit

Refrigerant Piping Connection

Steps for flaring and tightening refrigerant pipes.

Evacuating Air from Piping System

Procedure for evacuating air from the piping system using a vacuum pump.

Electrical Work & Wiring Connection

Power supply requirements and connecting power/control cables.

How to Diagnose the Trouble

Inverter Safety Precautions

Safety precautions when working with the inverter, especially concerning high voltage.

Indoor Unit Flashing LED Diagnosis

Interprets flashing LED patterns on the indoor unit for self-diagnosis.

Remote Controller Self-Diagnosis

Executes self-diagnosis using the remote controller and interprets check codes.

Using Remote Controller in Service Mode

Instructions for accessing and using the remote controller in service mode for diagnosis.

Troubleshooting by Symptom: Indoor Unit

Troubleshooting steps for indoor unit issues, starting with power not turning on.

No Power - Initial Check

Diagnostic flowchart for when the unit does not power on at all.

No Power After PC Board Replacement

Troubleshooting when the unit still doesn't power on after replacing the PC board.

Indoor Fan Motor Not Operating

Diagnostic flowchart for when only the indoor fan motor fails to operate.

Indoor Fan Motor Auto-Rotation on Power-Up

Troubleshooting for the indoor fan motor rotating automatically upon power-on.

Remote Control Troubleshooting Flowchart

Flowchart for diagnosing issues with the remote control.

Wiring Failures & Outdoor Unit Stops

Diagnosing wiring issues and outdoor unit stopping after operation.

Outdoor Unit Does Not Operate (Wiring)

Diagnosing wiring issues causing the outdoor unit not to operate.

Outdoor Unit Stops After Starting (Wiring/Operation)

Troubleshooting when the outdoor unit stops after starting and requires power cycling.

Main Parts Check Procedures

How to check main parts like pulse motor valve and sensors.

Simple Main Parts Check: PMV & Sensors

Procedures for checking PMV and temperature sensors.

Outdoor Unit Inverter Diagnosis Summary

Step-by-step diagnosis for the inverter assembly in the outdoor unit.

Indoor Unit PC Board Check

Procedures for checking the indoor unit's P.C. board for defects.

Checking Method for Each Part

Methods for checking individual parts for proper function.

Outdoor Fan Motor Good/Bad Judgment

How to determine if the outdoor fan motor is functioning correctly.

How to Replace the Main Parts

Critical Safety Warnings for Repairs

Critical safety warnings before attempting any part replacement.

Inverter Assembly Replacement

Procedures for removing and installing the inverter assembly, including capacitor discharge.

Fan Motor & Compressor Replacement

Procedures for replacing the fan motor and compressor.

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