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Hitachi RAS-35YHA4 User Manual

Hitachi RAS-35YHA4
24 pages
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HSILGNE
SPLIT TYPE AIR CONDITIONER
MODEL
RAS-25YHA3/RAC-25YHA3
INDOOR UNIT/OUTDOOR UNIT
INDOOR UNIT
Instruction manual Page 1~20
To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely.
OUTDOOR UNIT
RAC-25YHA3
RAS-35YHA4 /RAC-35YHA4
RAC-35YHA4
RAS-25YHA3
RAS-35YHA4
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Hitachi RAS-35YHA4 Specifications

General IconGeneral
CategoryAir Conditioner
ModelRAS-35YHA4
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
RefrigerantR410A
Indoor Unit Weight9 kg
Noise Level (Outdoor)50 dB

Summary

SAFETY PRECAUTIONS

Installation Precautions

Safety guidelines for the proper installation of the air conditioning unit to prevent hazards.

Shifting and Maintenance Precautions

Safety measures to observe when moving or performing maintenance on the unit.

OPERATIONAL PRECAUTIONS

General Operation Safety Rules

Key safety instructions for correct and safe operation of the air conditioner.

NAMES AND FUNCTIONS OF EACH PART

Indoor Unit Components

Identification and description of the parts of the indoor unit.

Outdoor Unit Components

Identification and description of the parts of the outdoor unit.

INDOOR UNIT INDICATIONS

Indicator Lamps and Temporary Switch

Explanation of the operational status lights and the manual operation switch.

REMOTE CONTROLLER

Remote Controller Operation and Handling

Details on using the remote control, its buttons, and important precautions for its use.

VARIOUS FUNCTIONS

Automatic Restart and Operation Modes

Description of the auto restart feature and the automatic operation mode.

HEATING OPERATION

Defrosting Operation

Details on the defrosting cycle during heating and its indicators.

DEHUMIDIFYING OPERATION

Dehumidifying Function Explanation

How the dehumidifying mode functions and its operational parameters.

COOLING OPERATION

FAN OPERATION

Fan Speed Control and Auto Function

Information on selecting fan speeds and the automatic fan speed adjustment.

HOW TO SET THE TIMER

Timer Setting Procedures

Step-by-step guide for setting various timer functions: current time, ON, OFF, and ON/OFF.

HOW TO SET THE SLEEP TIMER

Sleep Timer Functionality and Cancellation

Instructions for setting the sleep timer and how to cancel it.

ADJUSTING THE AIR DEFLECTORS

Remote Controller Battery Replacement

Guide on how to replace batteries in the remote controller safely.

MAINTENANCE

Air Filter Cleaning Procedure

Detailed steps and precautions for cleaning the air filter.

CLEANING AND LONG-TERM STORAGE

Front Panel Cleaning

Instructions for cleaning the indoor unit's front panel.

Maintenance for Long Periods of Non-Use

Steps to take for the unit before and after extended periods of inactivity.

GENERAL INFORMATION

Capabilities and Operational Features

Overview of heating, cooling, dehumidifying capabilities and various functions.

REGULAR INSPECTION AND SERVICE

Troubleshooting and Service Checks

Checks to perform before requesting service and common operational issues.

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