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SPLIT-TYPE AIR CONDITIONERS
OPERATING INSTRUCTIONS
INDOOR UNIT
MSZ-A18YV
MSZ-A24YV
MSZ-A26YV
MSZ-A30YV
For customers
Thank you very much for purchasing this Mitsubishi room air conditioner.
• To use this unit correctly and safely, be sure to read this operating instructions
before use. Keep this manual carefully for later reference.
• Be sure to receive a guarantee card from your dealer and check that the purchased
date and shop name, etc. are entered correctly.
• This air conditioner should not be installed by the customer. (Safety and perform-
ance functions cannot be assured.)
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Table of Contents
Related Manuals for Mitsubishi MSZ-A30 YV Series
Summarization of Contents
General Safety Warnings and Cautions
Critical Warnings
Essential safety warnings regarding power cord, operation, and exposure to avoid fire and electric shock.
Usage Cautions
Precautions for safe operation and maintenance, including handling of unit parts, environment, and batteries.
Component Identification
Indoor Unit Parts
Identification and description of various parts of the indoor unit.
Outdoor Unit Parts
Identification and description of various parts of the outdoor unit.
Additional Safety Precautions
Operating and Installation Safety
Covers safety for low temperature operation, direct airflow, gas leaks, earthing, and installation.
Preparation Before Operation
Auto Restart Function
Explanation of the auto restart function and its behavior during power failures.
Power Connection and Safety
Instructions for connecting the indoor unit to the power supply, including safety warnings.
Remote Controller Operations
Handling and Signal Range
Guidelines for using the remote controller, including handling and signal range.
Emergency Operation Mode
How to operate the unit when the remote controller is unavailable or malfunctioning.
Battery Replacement and Handling
Instructions for replacing and handling dry-cell batteries for the remote controller.
"I FEEL..." Mode Operation
Automatic Operation Modes
How the unit automatically selects cooling, dry, or heat mode based on room temperature.
Manual Temperature Adjustment
How to adjust temperature using the remote control buttons in "I FEEL..." mode.
Indoor Unit Display Indicators
Explanation of the operation indicator lamp on the indoor unit.
Air Flow Velocity and Direction Control
Adjusting Air Flow Velocity
How to change the fan speed using the remote control buttons.
Vertical Air Flow Direction
How to adjust the vertical air flow direction and use swing operation.
Horizontal Air Flow Direction
How to adjust the horizontal air flow direction and use auto control.
Special Operation Modes
ECONO COOL Operation
Energy-saving cooling operation that uses swing airflow to maintain comfort.
Timer Operation (ON/OFF)
How to set the ON and OFF timers for convenient operation scheduling.
Maintenance and Cleaning
Before Using Again
Checks to perform before using the air conditioner after a period of non-use.
Indoor Unit Cleaning
Instructions for cleaning the indoor unit, including precautions for the front panel.
Air Filter Replacement
Air Cleaning Filter Replacement
Procedure for replacing the air cleaning filter, recommended every 4 months.
Catechin Air Filter Maintenance
Instructions for washing and drying the catechin air filter.
Troubleshooting Common Issues
Common Malfunctions and Solutions
Answers to frequently asked questions about air conditioner operation and non-malfunctions.
Installation, Inspection, and Disposal
Installation Location Considerations
Guidelines for selecting the installation location, considering interference and ventilation.
Inspection and Maintenance Recommendations
Advice on professional inspection and maintenance for optimal performance.
Relocation and Disposal
Information on professional relocation and proper disposal of the air conditioner.
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