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Hitachi RAK-50NHA2 User Manual

Hitachi RAK-50NHA2
38 pages
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SPLIT TYPE AIR CONDITIONER
INDOOR UNIT
RAK-18NHA2
RAK-25NHA2
RAK-35NHA2
RAK-50NHA2
INDOOR UNIT
MODEL
RAK-18NHA2
RAK-25NHA2
RAK-35NHA2
RAK-50NHA2
RAK-18-25-35-50NHA2-1 1RAK-18-25-35-50NHA2-1 1 6/3/14 11:25 AM6/3/14 11:25 AM
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Hitachi RAK-50NHA2 Specifications

General IconGeneral
TypeSplit System
Cooling Capacity5.0 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Coefficient of Performance (COP)3.61
Noise Level (Outdoor)52 dB(A)

Summary

Safety Precautions for Air Conditioner Operation

Installation Safety Guidelines

Safety measures to follow during the unit's installation process.

Shifting and Maintenance Safety

Safety guidelines for moving or servicing the air conditioner.

Operational Safety Rules

Essential safety rules to observe while the unit is running.

Indoor Unit Components and Specifications

Indoor Unit Parts Identification

Identification and description of components on the indoor air conditioning unit.

Model Name and Dimensions

Lists model identifiers and physical measurements of the indoor unit.

Indoor Unit Indicator Lights

Filter Lamp Function

Indicator light for filter cleaning status and its function.

Operation Lamp Status

Light indicating the current operational status of the air conditioner.

Timer Lamp Indicator

Light that shows when the timer function is active.

Temporary Switch Usage

Button for manual operation when remote is unavailable.

Preparing the Air Conditioner for Operation

Remote Controller Battery Installation

Instructions for inserting batteries into the remote controller.

Mounting the Remote Controller Holder

Guide for mounting the remote controller holder securely on a wall.

Setting Calendar and Clock

Calendar and Clock Setup Procedure

Procedure for setting the current date and time for accurate timer functions.

Remote Controller Functions Overview

Remote Control Device Parts

Explains the main parts and functions of the remote control device.

Key Button Operations

Describes essential buttons like START/STOP, FAN SPEED, and TEMP control.

Remote Controller Advanced Functions

Special Mode Operation Buttons

Details buttons for special modes like POWERFUL, SILENT, ECO, LEAVE HOME, and Timers.

Air Conditioner Special Operations

Auto Restart Control Explained

How the unit automatically resumes operation after a power interruption.

Automatic Operation Mode

Setting the unit to automatically select mode based on room temperature.

Heating Operation Details

Defrosting Function

Dehumidifying Operation Guide

Cooling Operation Guide

Fan and Air Swing Operations

Fan Operation Mode

Using the unit solely as an air circulator.

Vertical Air Swing Control

Controls the up-and-down movement of the air outlet deflector.

Horizontal Air Swing Control

Controls the left-and-right movement of the air outlet deflector.

Powerful Operation Mode

Silent Operation Mode

Eco Operation Mode

Leave Home Operation Mode

Clean Operation Mode

Once Timer Operation

Eco Sleep Timer Operation

Eco Sleep Timer and ON Timer Combination

Setting Eco Sleep Timer with ON Timer

Procedure to combine ECO SLEEP TIMER with ON TIMER for automated operation.

Weekly Timer Operation Setup

Schedule Reservation for Weekly Timer

Initial setup for programming weekly timer schedules via the remote.

Mode Selection for Weekly Timer

Choosing between program modes and enabling/disabling weekly timer functions.

Weekly Timer Operation Steps

Setting ON/OFF Timer Reservation

Selecting ON or OFF timer for a specific reservation.

Setting Timer Reservation Time

Setting the desired time for the timer reservation.

Setting Timer Reservation Temperature

Setting the desired temperature for the timer reservation.

Confirming Timer Reservations

Confirming the set timer reservations.

Sending Timer Settings to Unit

Sending the programmed timer settings to the indoor unit.

Managing Weekly Timer Settings

Activating/Deactivating Weekly Timer Modes

Choosing between program modes and enabling/disabling weekly timer functions.

Disabling Weekly Timer Functionality

Procedure to disable the weekly timer functionality.

Copying Weekly Timer Schedules

Method for Copying Schedules

Method for copying reservation schedules between days.

Deleting Weekly Timer Data

Instructions for Deleting Timer Data

Instructions for removing programmed weekly timer data.

Deleting Specific Weekly Timer Reservations

Deleting One Day Reservation

Deleting all timer reservations for a specific day.

Deleting Program Mode Reservations

Deleting all timer data for an entire program mode.

Info Function Features

Checking Remote Controller Temperature

Displaying the ambient temperature detected by the remote controller.

Checking Monthly Power Consumption

Viewing energy usage history for heating and cooling operations.

Retrieving Calendar and Clock Data

Syncing the remote controller's time with the indoor unit's clock.

Operation Mode Lock Feature

Locking Heating Mode Operation

Locking the remote to only allow HEATING mode selection.

Unlocking Heating Mode Operation

Releasing the lock to allow selection of other modes.

Locking Cooling/Dehumidifying Modes

Locking the remote to only allow COOLING/DEHUMIDIFYING modes.

Unlocking Cooling/Dehumidifying Modes

Releasing the lock to allow selection of other modes.

Circuit Breaker Safety

Ideal Operation Practices

Optimal Room Temperature Settings

Recommendations for optimal room temperature settings for health and efficiency.

Using Curtains and Blinds

Tips on using window coverings to manage room heat.

Proper Ventilation Techniques

Importance of fresh air circulation and avoiding sealed rooms.

Effective Timer Usage for Comfort

Guidance on using timers for comfortable room temperature management.

Pre-filter Cleaning Reminder

Reminder to clean the pre-filter regularly for optimal performance.

Temperature Adjustment for Vulnerable Groups

Advice on setting temperature and airflow for vulnerable individuals.

User Information and Precautions

Heat Sources and Air Conditioner Performance

How room heat sources affect air conditioner performance.

Long-Term Non-Operation Procedures

Recommendations for powering down the unit when not in use.

Lightning Safety Measures

Safety precautions to take during thunderstorms.

Electrical Product Interference

How to avoid noise interference from other electronic devices.

Attaching Air Purifying Filters

Opening the Front Panel

Step-by-step guide to opening the unit's front panel.

Removing the Pre-filter

Instructions for detaching the pre-filter from its frame.

Inserting Air Purifying Filters

Procedure for inserting the air purifying filters into the frame.

Final Pre-filter Attachment

Final step to attach the pre-filters and close the front panel.

Maintenance Procedures

Pre-filter Cleaning Instructions

Cleaning instructions for the pre-filter to maintain performance.

Washable Front Panel Maintenance

Cleaning the Front Panel

Instructions for cleaning the removable front panel of the indoor unit.

Long-Term Maintenance and Inspection

Preparation for Long Off Periods

Preparing the unit for extended periods of non-use.

Regular Inspection Checklist

Periodic checks recommended for qualified service personnel.

After-Sales Service and Warranty Information

Troubleshooting Before Service Call

Checklist for common issues before contacting service personnel.

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