Table of Contents
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Table of Contents
Related Manuals for Hitachi RAS-E80YHA
Summarization of Contents
Indoor and Outdoor Unit Models
Model Identification
Displays model names like RAS-70YHA4, RAC-70YHA4, RAS-80YHA4, RAC-80YHA4.
Safety Precautions
Precautions During Installation
Covers safety measures for unit installation, including earthing, circuit breakers, and placement.
Precautions During Shifting or Maintenance
Details safety steps for moving or maintaining the unit, emphasizing professional service.
Precautions During Operation
Outlines safe operating practices, including avoiding direct airflow and using proper fuses.
Names and Functions of Each Part
Indoor Unit Components
Identifies parts of the indoor unit like pre-filter, front panel, indicators, and deflectors.
Outdoor Unit Components
Details parts of the outdoor unit such as drain pipe, connecting cord, air inlet, and air outlet.
Model Name and Dimensions
Provides dimensions for different model combinations, including width, height, and depth.
Indoor Unit Indicators and Controls
Operation and Timer Lamps
Explains the function of the OPERATION LAMP and TIMER LAMP during various operational states.
Temporary Switch Operation
Describes how to use the temporary switch for automatic operation when the remote is unavailable.
Remote Controller Functions
Signal Transmission and Handling
Covers signal transmission, range, and careful handling of the remote controller.
Remote Control Button Functions
Explains the purpose of various buttons like FUNCTION, ECO, SLEEP, TIMER, POWERFUL, FAN SPEED, START/STOP, and SWING.
Various Functions and Operations
Auto Restart Control
Explains automatic restart functionality after a power failure and its limitations.
Automatic Operation Mode
Guides on setting the automatic mode based on room temperature and adjusting fan speed and temperature.
Heating and Defrosting Operations
Heating Operation Guide
Instructions for using the heating function, including temperature and fan speed settings.
Defrosting Process
Explains the automatic defrosting cycle, its duration, and conditions when it occurs.
Dehumidifying Operation
Dehumidify Function Details
Describes how to use the dehumidifying mode, its temperature range, and target temperature logic.
Cooling Operation
Cooling Mode Setup
Provides instructions for setting up cooling operation, including fan speed and temperature adjustments.
Fan Operation
Fan Mode and Speed Settings
Explains using the unit as an air circulator and selecting fan speeds like HI, MED, LOW, SILENT.
Auto Fan Speed Behavior
Details how fan speed automatically adjusts in AUTO mode during cooling and heating operations.
Timer and Powerful Operations
Timer Reservation
Guides on setting ON and OFF timers for automatic operation scheduling.
Powerful Operation Mode
Explains how to activate powerful mode for maximum cooling/heating and its duration.
ECO Operation
Energy Saving Mode
Describes how to activate ECO mode for energy saving by adjusting temperature and limiting power consumption.
Sleep Timer Function
Setting and Cancelling Sleep Timer
Instructions on how to set the sleep timer for automatic shutdown and how to cancel it.
Adjusting Air Deflectors
Horizontal Deflector Control
Explains how to adjust the upward/downward angle of the horizontal air deflector and its auto-swing feature.
Vertical Deflector Control
Details how to adjust the left/right angle of the vertical air deflector and its auto-swing feature.
Remote Controller Battery Replacement
Battery Exchange Procedure
Step-by-step guide on how to open the remote, replace batteries, and important cautions for battery usage.
Ideal Ways of Operation
Optimal Operation Practices
Tips on suitable room temperature, ventilation, timer usage, filter cleaning, and adjusting for babies/children.
User Information and Precautions
Room Heat Sources and Operation
Discusses how room heat sources affect cooling capability and precautions for long-term non-operation.
Lightning and Electrical Interference
Advises on actions during lightning and how to prevent interference from electrical products.
Attaching Air Purifying Filters
Filter Installation Guide
Step-by-step instructions for opening the panel, removing pre-filters, attaching air purifying filters, and closing the panel.
Maintenance and Filter Cleaning
Pre-Filter Cleaning Procedure
Details the process for cleaning the pre-filter every two weeks to maintain performance and save power.
Cleaning the Front Panel
Front Panel Cleaning Steps
Instructions on how to remove, wash, and reattach the front panel, including cleaning precautions.
Regular Inspection and Safety
Electrical Safety and Wiring
Emphasizes using earth lines, circuit breakers, and provides wiring color codes for connection.
Inspection Points for Service
Lists key inspection points for qualified service personnel, such as earth line, mounting frame, and power plug.
After Sale Service and Warranty
Troubleshooting Common Issues
Provides a checklist for common service requests like remote issues, non-operation, and poor cooling/heating.
Operating Temperature Notes
Recommended Operating Temperatures
Lists recommended minimum and maximum operating temperatures for cooling and heating modes for indoor and outdoor units.
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