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Hitachi RAC-35YHA4 User Manual

Hitachi RAC-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 RAC-35YHA4 Specifications

General IconGeneral
TypeSplit System
Cooling Capacity3.5 kW
RefrigerantR32
Power Supply220-240V, 50Hz
Outdoor Unit Dimensions (WxHxD)780 x 540 x 260 mm

Summary

Split Type Air Conditioner Model Overview

Safety Precautions for Hitachi Air Conditioner

Precautions During Installation

Essential safety guidelines for installing the air conditioner unit.

Precautions During Shifting or Maintenance

Critical safety measures to follow when moving or servicing the unit.

Precautions During Operation

Important safety warnings and cautions to observe during unit operation.

Hitachi Air Conditioner Component Identification

Indoor and Outdoor Unit Components

Identifies and explains the functions of parts within the indoor and outdoor units.

Indoor Unit Indicators and Filters

Details the meaning of indicator lamps and the function of air filters.

Remote Controller Functions

Explains the purpose and operation of each button on the remote controller.

Hitachi Air Conditioner Operational Features

Auto Restart and Automatic Operation

Describes automatic restart after power failure and automatic mode operation.

Heating Operation and Defrosting

Instructions for heating mode and explanation of the defrosting process.

Dehumidifying Operation

Guidelines for using the dehumidifying function and its behavior.

Cooling Operation

Instructions for operating the air conditioner in cooling mode.

Fan Operation

How to use the fan-only mode for air circulation.

Setting Hitachi Air Conditioner Timers

How to Set On, Off, and On/Off Timers

Step-by-step guide to program the unit's timer functions.

How to Set the Sleep Timer

Instructions for setting the sleep timer for automatic shut-off.

Adjusting Airflow and Unit Maintenance

Adjusting the Air Deflectors

How to control the direction of air flow using the deflector settings.

Remote Controller Battery Replacement

Guide for changing batteries in the remote controller.

Air Filter Cleaning

Procedure for cleaning the air filter to maintain performance.

Front Panel Cleaning and Long-Term Storage

Instructions for cleaning the front panel and preparing for long periods of non-use.

Hitachi Air Conditioner Information and Support

Unit Capabilities and Performance

Overview of heating, cooling, and dehumidifying capabilities.

Regular Inspection and Checks

Recommended periodic checks for proper unit function and safety.

After Sales Service and Troubleshooting

Guidance on what to check before seeking service and common issues.

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