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Hitachi RAC-80YHA3 User Manual

Hitachi RAC-80YHA3
24 pages
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INDOOR UNIT/OUTDOOR UNIT
INDOOR UNITOUTDOOR UNIT
RAS-70YHA3
RAS-80YHA3
MODEL
RAS-70YHA3/RAC-70YHA3
RAS-80YHA3/RAC-80YHA3
SPLIT TYPE
RAC-70YHA3
RAC-80YHA3
Instruction manual
Page 1~24
To obtain the best performance, please read this instruction manual completely.
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Hitachi RAC-80YHA3 Specifications

General IconGeneral
BrandHitachi
ModelRAC-80YHA3
CategoryAir Conditioner
LanguageEnglish

Summary

General Safety Precautions

Installation Safety Precautions

Safety measures to take before and during unit installation to prevent hazards.

Shifting and Maintenance Safety

Safety guidelines for moving or servicing the unit to avoid risks.

Operational Safety Guidelines

Essential safety rules to follow while the unit is running to prevent accidents.

Unit Components and Specifications

Indoor Unit Description

Details about the components and features of the indoor air conditioning unit.

Outdoor Unit Description

Information on the parts and functions of the outdoor unit of the air conditioner.

Model and Dimension Details

Specifications including model names, width, height, and depth of the units.

Indoor Unit Status Indicators

Operation Indicator Lights

Explanation of the indicator lamps on the indoor unit that show operational status.

Temporary Operation Switch

Instructions on how to use the temporary switch for basic operation when the remote is unavailable.

Remote Control Functions

Remote Control Overview

Comprehensive guide to the remote control's buttons, display, and signal transmission.

Remote Control Usage Precautions

Important warnings and advice for handling and using the remote controller safely.

Additional Unit Functions

Automatic Restart Function

How the unit automatically restarts after a power interruption, resuming previous settings.

Automatic Mode Operation

How the unit automatically selects heating, cooling, or dehumidifying based on room temperature.

Heating Mode Operation

Defrosting Process

Explanation of the automatic defrosting process, its duration, and indicators.

Dehumidify Mode Operation

Dehumidify Mode Functionality

Details on how the unit reduces humidity and adjusts temperature settings in dehumidify mode.

Cooling Mode Operation

Fan Only Mode

Fan Speed Auto Adjustment

Explanation of how fan speed automatically adjusts in cooling/heating modes based on conditions.

Setting Timer Functions

Setting Current Time

Steps to set the current time on the remote control, essential for timer functions.

Setting the Off-Timer

Instructions for setting the timer to automatically turn the unit off at a specific time.

Setting the On-Timer

Instructions for setting the timer to automatically turn the unit on at a specific time.

Setting the ON/OFF Timer

Cancelling Timer Reservations

Procedure to cancel any previously set timer reservations on the remote control.

Setting the Sleep Timer

Cancelling Sleep Timer

Steps to cancel a set sleep timer by using the cancel button on the remote.

Air Deflector Adjustment

Parallel Swing Adjustment

How to control the vertical air deflectors to swing left and right in parallel.

Symmetry Swing Adjustment

How to control the vertical air deflectors to swing left and right in symmetry.

Remote Battery Replacement

Temporary Switch Operation

How to operate the unit temporarily if the remote control fails due to battery issues.

Circuit Breaker Usage

Instruction to switch off the circuit breaker when the air conditioner is not in use for extended periods.

Optimal Operation Tips

Ideal Room Temperature Settings

Guidance on maintaining optimal room temperatures for health and energy efficiency.

Proper Room Ventilation

Advice on proper ventilation practices to ensure fresh air intake into the room.

Pre-Filter Cleaning Importance

Importance of cleaning the pre-filter regularly to maintain air volume and cooling efficiency.

Temperature Settings for Vulnerable Users

Special attention required for room temperature and airflow when catering to infants, children, or the elderly.

User Information and Guidance

Room Heat Load Impact

How room heat sources can affect the unit's ability to achieve the set temperature.

Long-Term Non-Operation Advice

Power consumption considerations and recommendations when the unit is not used for extended periods.

Lightning Protection Measures

Safety measures to take during lightning to protect the entire unit from damage.

Electrical Interference Prevention

Tips on placement to avoid noise interference between the AC unit and electrical devices.

Air Purifying Filter Installation

Unit Maintenance

Pre-Filter Maintenance

Detailed procedure for cleaning the pre-filter to maintain performance and airflow.

Front Panel Cleaning

Pre-Storage Maintenance

Scheduled Regular Inspections

Points for qualified personnel to check during semi-annual or annual inspections for unit health.

After-Sales Service and Warranty

Pre-Service Troubleshooting Checklist

Common issues and checks to perform before contacting service for troubleshooting.

Important Notes and Memo

User Memo Section

Blank section for users to jot down notes or important information.

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