Hitachi RAS-4.0UFESNH1 User Manual

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SERVICE MANUAL
PRIMAIRY
LARGE SINGLE SPLIT
DC-INVERTER SERIES
MODELS
MODELS
HS2019324HB
SM)-200313
INDOOR UNITS
OUTDOOR UNITS
DUCTED
RPIL-3.0UFE1NH
RPIH-3.5UFE1NH
RPIH-4.0UFE1NH
RPIH-5.0UFE1NH
RPIH-6.0UFE1NH
RPIH-6.5UFE1NH
CASSETTE
RCI-3.0UFE1NH
RCI-3.5UFE1NH
RCI-4.0UFE1NH
RCI-5.0UFE1NH
RCI-6.0UFE1NH
RCI-6.5UFE1NH
FLOOR CEILING
RPFC-3.0UFE1NH
RPFC-3.5UFE1NH
RPFC-4.0UFE1NH
RPFC-5.0UFE1NH
RPFC-6.0UFE1NH
RPFC-6.5UFE1NH
RAS-3.0UFESNH1
RAS-3.5UFESNH1
RAS-4.0UFESNH1
RAS-5.0UFESMH1
RAS-6.0UFESMH1
RAS-6.5UFESMH1
RAS-5.0UFESNH1
RAS-6.0UFESNH1

Hitachi RAS-4.0UFESNH1 Specifications

General

Type	Split System
Cooling Capacity	4.0 kW
Heating Capacity	4.5 kW
Refrigerant	R32
Power Supply	220-240V, 50Hz
Indoor Unit Weight	9.5 kg

Summary

Option List

Wired Remote Controller Setup

Installation guide for the wired remote controller, including wiring and setup.

Custom Parameters for Wired Controller

Temperature Limit and Room Correction

Timer Functions Setup

Wireless Remote Controller Operation

Troubleshooting Guide

Common Malfunctions and General Troubleshooting

Guide to common issues, their causes, and general troubleshooting steps.

LED and Display Fault Code Indicators

Explanation of fault indication via LED lamps and display panels on indoor/outdoor units.

Outdoor Unit Fault Codes (3.0-6.5HP)

Fault codes for outdoor units, indicated by LEDs and digital tubes, with troubleshooting.

Indoor Unit Fault Codes

Table of indoor unit fault codes, possible reasons, and solutions.

Drive Fault Code Analysis

Troubleshooting Notes and Overload Conditions

Important notes on unit startup, overload in cooling/heating modes, and specific fault codes.

Control Logic Description

Fan Only and Cooling Mode Logic

Heating and Auto Mode Logic

Evaporator and Condenser Protection