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OPERATION MANUAL
DAIKIN ROOM AIR CONDITIONER
MODELS
DTXF25TVMA
DTXF35TVMA
DTXF50TVMA

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Table of Contents
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Summarization of Contents

Key Features
Intelligent Eye Sensor
Detects human movement for automatic energy saving operation.
Comfort Airflow
Adjusts airflow direction to avoid direct blowing on occupants.
Outdoor Unit Quiet Operation
Lowers the noise level of the outdoor unit for neighborhood consideration.
Safety Precautions and Guidelines
General Safety Warnings and Cautions
Important safety instructions classified as WARNING and CAUTION.
Installation Site and Neighbor Considerations
Guidance on selecting locations and minimizing noise impact.
Electrical Work and Grounding
Requirements for safe electrical installation and grounding.
System Relocation Advice
Information on relocating the air conditioner unit.
Indoor Unit Components
Air Filter and Deodorizing Filter
Details on the air filters and titanium apatite deodorizing filter.
Signal Receiver and ON/OFF Switch
Components for receiving remote signals and manual operation.
Outdoor Unit Components
Components for 25/35 Class
Identification of parts for specific outdoor unit models.
Components for 71 Class
Identification of parts for specific outdoor unit models.
Remote Controller Overview
Remote Display and Buttons
Explanation of the LCD display and various operation buttons.
Direct Operation Mode Buttons
Buttons for starting specific operation modes directly.
Temperature and Airflow Controls
Buttons for adjusting temperature and airflow settings.
Operation Preparation Steps
Battery Installation and Holder Mounting
Instructions for setting batteries and mounting the remote holder.
Power Activation Procedure
Steps to turn on the main power breaker.
Basic Operation Modes
Starting and Stopping Operation
Procedures for initiating and terminating unit operation.
Notes on Operation Modes
Information on specific characteristics of each operation mode.
Temperature Adjustment
How to Change Temperature Setting
Instructions for modifying the temperature via the remote controller.
Energy Saving Temperature Recommendations
Optimal settings for energy efficiency and comfort.
Airflow Direction Control
Auto Swing and Manual Flap Adjustment
Methods for controlling horizontal airflow direction.
Vertical Louver Adjustment
Instructions for adjusting the vertical airflow direction.
Airflow Rate Adjustment
Selecting Fan Speed and Patterns
Guide to changing the airflow rate and fan patterns.
Comfort Airflow Mode
Activating and Deactivating Comfort Airflow
How to use the indirect airflow feature for enhanced comfort.
Intelligent Eye Operation
Intelligent Eye Functionality
How the sensor detects presence and adjusts operation.
Energy Saving Adjustments
Details on temperature and airflow changes in energy saving mode.
Intelligent Eye Usage Guide
Starting and Canceling Intelligent Eye
Steps to enable and disable the Intelligent Eye feature.
Intelligent Eye Application Range
Understanding the sensor's detection area and limitations.
Powerful Operation Mode
Activating and Deactivating Powerful Mode
How to use the mode for maximum cooling or heating effect.
Econo Operation Function
Understanding Econo Operation
Explanation of the feature that limits maximum power consumption.
Econo Operation Guide
Starting and Canceling Econo Operation
Procedures for enabling and disabling the Econo mode.
Outdoor Unit Quiet Mode
Activating and Deactivating Outdoor Quiet
How to use the feature to reduce outdoor unit noise.
Off Timer Functionality
Setting and Canceling the Off Timer
Instructions for scheduling automatic shutdown.
On Timer Functionality
Setting and Canceling the On Timer
Instructions for scheduling automatic startup.
Combining On and Off Timers
Setting sequential start and stop times.
Care and Cleaning Procedures
Front Panel and Air Filter Maintenance
Steps for cleaning the front panel and air filters.
Cleaning the Indoor Unit Front Panel
Air Filter Cleaning Instructions
Step-by-step instructions for washing or vacuuming air filters.
Specialty Filter Maintenance
Titanium Apatite and Dust Filters
Care instructions for titanium apatite and dust collection filters.
Unit Checks and Maintenance
Pre-Operation Unit Inspection
Checking unit integrity and drain hose before use.
Preparation for Long Idle Periods
Steps to take when the unit will not be used for an extended time.
Recommended Periodic Servicing
Advice on professional maintenance for optimal performance.
Troubleshooting Common Issues
Indoor and Outdoor Unit Problems
Overview of common issues related to indoor and outdoor units.
Troubleshooting Guide
No Trouble Scenarios
Identifying situations that are not actual malfunctions.
Unit Not Operating or Poor Performance
Diagnosing why the unit won't start or perform optimally.
Abnormal Operation and Sudden Stops
Addressing unexpected behaviors and operational interruptions.
Troubleshooting Operational Faults
Sudden Stops and Indoor Mist
Resolving unexpected shutdowns and mist formation.
Delayed Heat and Timer Issues
Addressing slow heat output and timer setting problems.
Troubleshooting Remote and Odor Issues
Remote Controller and Fan Issues
Diagnosing remote control malfunctions and fan behavior.
Indoor Unit Odor Resolution
Methods for dealing with unpleasant smells from the unit.
Service and Support Information
When to Contact Service Personnel
Critical conditions requiring immediate professional assistance.
Disposal Guidelines
Information on the proper and safe disposal of the unit.
Fault Diagnosis via Remote Controller
Accessing and Interpreting Error Codes
Procedure for displaying and understanding error codes.

Table of Contents