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Hitachi RPIM User Manual

Hitachi RPIM
408 pages
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INDOOR UNITS SYSTEM FREE SERIES
& Complementary Systems
FSN2(M)(E)
Service Manual
RCI
RCIM
RCD
RPC
RPI
RPIM
RPK
RPF
RPFI
KPI
Econofresh

Table of Contents

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Hitachi RPIM Specifications

General IconGeneral
BrandHitachi
ModelRPIM
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Safety Guidelines

Details on safety precautions and symbols used in the manual.

Piping Work and Refrigerant Charge

Gas Refrigerant Pipe Selection

Guidelines for selecting gas refrigerant pipes and their specifications.

Refrigerant Gas Leak Precautions

Safety measures and calculations for refrigerant gas leaks.

Electrical Wiring Procedures

Unit Electrical Wiring and Connection

Covers wiring and main switch selection for units.

Control System Overview

Device Control System Details

Describes control systems and printed circuit boards for various indoor units.

Safety Protection and Control

Details compressor protection mechanisms and safety devices.

Test Run Procedures

Pre-Test Run Checks

Essential checks and procedures before performing the test run.

Test Procedure Using Remote Control

Steps for conducting a test run using the wired remote control.

Test Run Checklist

A checklist to verify all aspects of the test run are completed.

Troubleshooting Common Issues

Indoor Unit PCB Self-Check (RPK)

Procedure for self-checking the indoor unit PCB for RPK models.

Electronic Expansion Valve Check

Procedure for checking the electronic expansion valve.

Servicing and Component Removal

Electrical Checks of Main Parts

Electronic Expansion Valve Checks

Procedures for checking electronic expansion valve voltage and resistance.

Maintenance Notes and Procedures

Refrigerant Collection for Indoor Unit Replacement

Procedure for collecting refrigerant when replacing an indoor unit.

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