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Hitachi RAC-50YHA3 User Manual

Hitachi RAC-50YHA3
24 pages
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SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
MODEL
RAS-50YHA3/RAC-50YHA3
RAS-60YHA3/RAC-60YHA3
INDOOR UNIT
RAC-50YHA3
Instruction manual
Page 1~24
To obtain the best performance, please read this instruction manual completely.
OUTDOOR UNIT
RAC-60YHA3
RAS-50YHA3
RAS-60YHA3
RAS-50-60YHA3 (EN1) 1 12/21/11 9:32 AM

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Hitachi RAC-50YHA3 Specifications

General IconGeneral
Cooling Capacity5.0 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Weight (Indoor Unit)11 kg
Weight (Outdoor Unit)32 kg
TypeSplit System

Summary

Safety Precautions

Installation Precautions

Essential safety guidelines for installing the air conditioner unit.

Shifting and Maintenance Precautions

Safety measures for moving or servicing the unit.

Operation Precautions

Important safety instructions for operating the air conditioner.

Component Overview

Indoor Unit Components

Overview of the components and their functions within the indoor unit.

Outdoor Unit Components

Overview of the components and their functions within the outdoor unit.

Model Name and Dimensions

Specifications including model names and physical dimensions.

Indoor Unit Indicators and Controls

Indicator Lamps Explanation

Explanation of the filter, operation, and timer lamps.

Temporary Switch Operation

How to operate the unit using the temporary switch.

Remote Control Operation

Remote Controller Functions

Explanation of all buttons and features on the remote controller.

Remote Control Usage Precautions

Guidelines and warnings for handling and using the remote controller.

Advanced Operating Functions

Auto Restart Control

How the unit automatically restarts after a power interruption.

Automatic Operation Mode

How the unit automatically selects operating modes based on temperature.

Operating Modes

Heating Operation Guide

Instructions for operating the unit in heating mode.

Defrosting Cycle

Explanation of the defrosting cycle during heating.

Dehumidifying Operation

Cooling Operation

Fan Operation Mode

Fan Speed Settings

How to adjust fan speed and auto fan speed behavior.

Timer Settings Guide

Setting Current Time

Steps to set the current time on the remote controller.

Setting Off-Timer

How to set the timer to turn the unit off.

Setting On-Timer

How to set the timer to turn the unit on.

Advanced Timer Functions

Setting ON/OFF-Timer

How to set the unit to turn on and off at different times.

Cancelling Timer Reservation

Procedure to cancel a set timer reservation.

Sleep Timer Operation

Setting Sleep Timer

Steps to set the sleep timer for automatic shutdown.

Cancelling Sleep Timer

How to cancel a set sleep timer.

Air Deflector Adjustment

Up/Down Airflow Direction

How to adjust the horizontal air deflector for airflow direction.

Left/Right Airflow Direction

How to adjust the vertical air deflector for airflow direction.

Remote Controller Maintenance

Battery Replacement Guide

Guide on how to replace batteries in the remote controller.

Temporary Switch and Circuit Breaker

Information on temporary operation and circuit breaker usage.

Operating Best Practices

Room Temperature and Ventilation

Advice on maintaining suitable room temperature and ventilation.

Filter Care and User Comfort

Importance of cleaning filters and adjusting temperature for users.

User Information and Precautions

Heat Sources and Operation Limits

How room heat sources affect performance and operational limits.

Lightning and Electrical Interference

Precautions during lightning and interference from electrical products.

Maintenance: Air Purifying Filters

Attaching Air Purifying Filters

Step-by-step guide to attaching the air purifying filters.

Maintenance: Pre-Filter

Cleaning the Pre-Filter

Detailed procedure for cleaning the pre-filter and air purifying filter.

Maintenance: Front Panel

Cleaning the Front Panel

How to clean the washable front panel of the indoor unit.

Long-Term Maintenance and Inspection

Maintenance Before Long Off Period

Steps for maintaining the unit before a long period of non-use.

Regular Inspection Points

Key points for qualified personnel to inspect periodically.

After Sale Service and Warranty

Service Checklist for Issues

Points to check when requesting service or troubleshooting issues.

Operation Notes and Support Contact

Notes on normal operation phenomena and contacting support.

Operating Temperature Specifications

Recommended Operating Temperatures

Recommended minimum and maximum operating temperatures for cooling and heating.

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