Related Manuals for Hitachi RAK-25NHA2
Summarization of Contents
SAFETY PRECAUTION
PRECAUTIONS DURING INSTALLATION
Crucial safety guidelines for installing the air conditioner unit correctly and safely.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
Essential safety measures to prevent injury or damage during unit movement or maintenance.
PRECAUTIONS DURING OPERATION
Mandatory safety instructions to ensure safe and proper operation of the air conditioner.
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT COMPONENTS
Identification and explanation of the visible parts of the indoor air conditioner unit.
MODEL NAME AND DIMENSIONS
List of available models with their corresponding physical dimensions for reference.
INDOOR UNIT INDICATORS
FILTER LAMP
Signals the need for filter cleaning after a specified operating period.
OPERATION LAMP
Indicates the unit's current operational status, including preheating and defrosting.
TIMER LAMP
Activates when the timer functions (ON, OFF, Weekly) are set and running.
PREPARATION BEFORE OPERATION
Installing Remote Controller Batteries
Guide to correctly insert AAA batteries into the remote controller for power.
Mounting the Remote Controller Holder
Instructions for securely attaching the remote controller wall-mount bracket.
PREPARATION BEFORE OPERATION
Setting Calendar and Clock
Procedure to set current date and time, essential for timer accuracy.
NAMES AND FUNCTIONS OF REMOTE CONTROLLER
Remote Controller Display and Signals
Explains the remote's screen, sensors, and signal transmission window.
Basic Control Buttons
Details functions of Start/Stop, Temperature, Fan Speed, and ECO buttons.
NAMES AND FUNCTIONS OF REMOTE CONTROLLER
Special Function Buttons
Describes buttons for advanced modes: Powerful, Info, Clean, Leave Home, Sleep Timer.
Timer Control Buttons
Guidance on setting ON/OFF timers and Weekly timers for automated operation.
Mode and Swing Control Buttons
Explains buttons for selecting operating modes and adjusting air swing direction.
VARIOUS FUNCTIONS
Auto Restart Control
Functionality for automatic unit restart after power interruptions.
AUTOMATIC OPERATION
Unit's capability to automatically select operation mode based on room temperature.
AUTO SWING OPERATION
VERTICAL SWING
Controls the up/down movement of the air deflector for airflow direction.
HORIZONTAL SWING
Controls the left/right movement of the air deflector for airflow direction.
ONCE TIMER (ON/OFF TIMER) OPERATION
OFF TIMER
Sets the unit to automatically turn off at a specified time.
ON TIMER
Sets the unit to automatically turn on at a specified time.
ON/OFF TIMER
Schedules both automatic ON and OFF times for the unit.
ECO SLEEP TIMER OPERATION
Setting ECO SLEEP TIMER and ON TIMER
Procedure to set unit to turn off via ECO Sleep Timer and turn on via ON Timer.
WEEKLY TIMER OPERATION
Step 1: Set reservation schedule
Procedure to input daily and weekly timer programs for automated operation.
Step 2: Select Mode A or Mode B
Choosing between two program modes (A or B) for weekly timer settings.
WEEKLY TIMER OPERATION
Step 2: Select Mode A or Mode B and activate or deactivate WEEKLY TIMER
Instructions to activate or deactivate the selected weekly timer mode (A or B).
Step 3: Copy and cancel the reservation schedule
Methods for copying timer schedules between days and cancelling them.
WEEKLY TIMER OPERATION
Step 3: Copy and cancel the reservation schedule
Detailed steps for copying and cancelling timer reservations for WEEKLY TIMER.
WEEKLY TIMER OPERATION
Step 3: Copy and cancel the reservation schedule
Instructions on copying and pasting timer schedule data between days.
WEEKLY TIMER OPERATION
Step 3: Copy and cancel the reservation schedule
Procedure for deleting specific program number reservations within the weekly timer.
WEEKLY TIMER OPERATION
[Delete one day reservation]
How to remove all timer programs for a selected day from the weekly schedule.
[Delete Mode A or Mode B]
Procedure to clear all timer settings for either Mode A or Mode B.
INFO FUNCTION
Checking Temperature Around Remote Controller
Displays the ambient temperature detected by the remote controller.
Checking Monthly Power Consumption
Shows power usage history for heating and cooling operations.
Retrieving Current Calendar and Clock
Syncs the remote's time with the indoor unit's set calendar and clock.
OPERATION MODE LOCK
Locking Heating Mode Operation
Prevents accidental changes to the heating mode settings.
Locking Cooling and Dehumidifying Modes
Secures cooling and dehumidifying modes to avoid unintended alterations.
THE IDEAL WAYS OF OPERATION
Suitable Room Temperature
Guidance on maintaining optimal room temperatures for health and efficiency.
Install curtain or blinds
Tips on using window coverings to improve thermal efficiency.
Ventilation
Recommendations for proper air circulation within the room.
Effective Usage Of Timer
Advice on utilizing timer functions for comfortable and efficient operation.
FOR USER'S INFORMATION
Air Conditioner and Heat Source in Room
Considerations regarding room heat load affecting AC performance.
Not Operating For A Long Time
Instructions for safely powering down the unit for extended periods.
When Lightning Occurs
Safety precautions to take during thunderstorms to protect the unit.
Interference From Electrical Products
Guidance on positioning the unit to avoid electromagnetic interference.
ATTACHING THE AIR PURIFYING FILTERS
Opening the Front Panel
Steps to open the front panel to access and replace filters.
Removing the Pre-filter
Procedure for detaching the pre-filter from its frame.
Attaching the Air Purifying Filters
Instructions for correctly inserting the air purifying filters into the unit.
Attaching the Pre-filters
Guidance on reattaching the pre-filters after cleaning or replacement.
MAINTENANCE
PRE-FILTER CLEANING PROCEDURE
Detailed steps for cleaning the pre-filter to maintain air flow and cooling efficiency.
MAINTENANCE
Washable Front Panel Cleaning
Instructions for cleaning the removable front panel of the indoor unit.
MAINTENANCE
MAINTENANCE BEFORE LONG OFF PERIOD
Steps to prepare the unit for extended periods of non-operation.
AFTER SALE SERVICE AND WARRANTY
Checking Points When Asking for Service
Common issues and checks to perform before contacting service personnel.
Notes on Operation and Odor
Information on normal operational sounds and potential odors, and cleaning advice.
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