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Hitachi RAS-8FSXN User Manual

Hitachi RAS-8FSXN
367 pages
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SET FREE SERIES
FSXN
Service Manual
RAS-8FSXN
RAS-10FSXN
RAS-12FSXN
RAS-14FSXN
RAS-16FSXN
RAS-18FSXN
RAS-20FSXN
RAS-22FSXN
RAS-24FSXN
RAS-26FSXN
RAS-28FSXN
RAS-30FSXN
RAS-32FSXN
RAS-34FSXN
RAS-36FSXN
RAS-38FSXN
RAS-40FSXN
RAS-42FSXN
RAS-44FSXN
RAS-46FSXN
RAS-48FSXN
RAS-50FSXN
RAS-52FSXN
RAS-54FSXN

Table of Contents

Questions and Answers:

Hitachi RAS-8FSXN Specifications

General IconGeneral
BrandHitachi
ModelRAS-8FSXN
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Safety Precautions

Details safety symbols used in the manual and their meanings for user and unit safety.

Unit Installation

Outdoor Unit Installation

Covers positioning, transport, lifting, handling, space, center of gravity, and foundation.

Piping Work and Refrigerant Charge

Outdoor Unit Piping

Details refrigerant pipe selection, sizes, connection, insulation, and precautions for outdoor units.

Refrigerant Charge

Details the procedure for charging refrigerant, including quantity calculation and cautions.

Electrical Wiring

Outdoor Unit Electrical Wiring

Covers general information, verifications, power supply connection, and DSW switch settings.

Control System

Test Run

Test Run Procedures

Details how to perform test runs using the remote control switch or from the outdoor unit.

Test Run Check List

A comprehensive checklist for verifying all aspects of the unit's operation during the test run.

Troubleshooting

Initial Troubleshooting Steps

Covers checks for electrical wires, power source, and common issues like alarm codes.

Checking by 7-segment Display

Explains how to interpret the 7-segment display for auto-addressing and error codes.

Checking the Alarm Code History

Details how to access and interpret the history of recorded alarm codes for diagnostics.

Troubleshooting by Alarm Code

Provides specific troubleshooting steps for various alarm codes encountered.

Servicing

Removing the Compressor

Detailed steps for safely removing the compressor, including refrigerant collection and safety precautions.

Electrical Checks of Main Parts

Inverter Specifications

Details the electrical specifications of the inverter, including voltage, current, and frequency range.

Maintenance Notes

Burnt-out Compressor due to Insufficient Refrigerant

Analyzes causes and countermeasures for compressor burnout due to low refrigerant charge.

Precautions for Refrigerant Leaks

Covers maximum permissible concentration, calculation, and countermeasures for refrigerant leaks.

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