Mitsubishi Electric Mr. Slim MSY-A24NA User Manual

OPERATING INSTRUCTIONS
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 data and
shop name, etc. are entered correctly.
• This air conditioner should not be installed by the customer. (Safety and performance functions
cannot be assured.)
SPLIT -TYPE AIR CONDITIONERS
MSY-A24NA
English
CONTENTS
SAFETY PRECAUTIONS ................................................................................................ 2
NAME OF EACH
PART
...................................................................................................
3
PRE
PARATION BEFORE OPERATION ........................................................................
4
I FEEL...
AUTO OPERATION .........................................................................................
6
MANUA
L OPERATION (COOL, DRY, FAN) ...............................................................
7
AIR FLOW VELOCIT
Y AND DIRECTION ADJUSTMENT .........................................
7
POWERFU
L OPERATION .............................................................................................
8
ECONO COO
L OPERATION .........................................................................................
8
TIMER OPER
ATION (ON/OFF TIMER) .......................................................................
9
WHEN
THE AIR CONDITIONER IS NOT GOING TO BE USED
FOR
A LONG
TIME .......................................................................................................... 9
MAINTENANCE
............................................................................................................... 10
CLEANING
THE AIR FILTER (CATECHIN) ..................................................................
10
REPLACEMEN
T OF THE AIR CLEANING FILTER ..................................................... 11
CLEANING
THE AIR CLEANING FILTER ..................................................................... 11
BEFORE CON
TACTING THE SERVICE REPRESENTATIVE,
CHECK
THE FOLLOWING AGAIN ............................................................................... 12
WHEN
YOU THINK THAT TROUBLE HAS OCCURRED .......................................... 12
INS
TALLATION, RELOCATION AND INSPECTION .................................................. 13

Mitsubishi Electric Mr. Slim MSY-A24NA Specifications

General

Refrigerant	R410A
Type	Split System
Cooling Capacity	24000 BTU/h
Heating Capacity	27000 BTU/h
Power Supply	208/230V, 60Hz
Weight (Outdoor Unit)	121 lbs

Summary

Safety Precautions

Marks and Symbol Definitions

Explains warning symbols, caution symbols, and their meanings for safe operation.

General Safety Instructions

Lists critical safety warnings and cautions for safe operation and installation.

Safety Precautions (Continued)

Cautions for Operation

Cautions for operating the unit at low temperatures, for special purposes, and during cleaning.

Installation Warnings and Cautions

Warnings and cautions concerning installation, grounding, and circuit breakers.

Name of Each Part

Indoor Unit Components

Identifies and describes the parts of the indoor air conditioner unit.

Outdoor Unit Components

Identifies and describes the parts of the outdoor air conditioner unit.

Preparation Before Operation

Auto Restart Function

Details the unit's auto restart function for resuming operation after a power interruption.

Breaker for the Air Conditioner

Instructions on turning the circuit breaker on for air conditioner operation.

Remote Controller Operation

Setting Batteries and Current Time

Guides on how to set the batteries and the current time on the remote controller.

Emergency Operation

Explains how to operate the unit using the emergency operation switch when the remote is unavailable.

I FEEL... AUTO OPERATION

Starting and Stopping Operation

Instructions on how to start and stop the 'I FEEL...' auto operation mode.

Adjusting Temperature

How to adjust the temperature up or down while in the 'I FEEL...' mode.

Manual Operation and Airflow Adjustment

Manual Operation (Cool, Dry, Fan)

Steps to select and operate the unit in Cool, Dry, or Fan modes.

Air Flow Velocity and Direction

How to adjust air flow velocity and vertical/horizontal direction.

Special Operation Modes

Powerful Operation

How to use the powerful mode for quick cooling and how to release it.

Econo Cool Operation

Instructions for energy-saving cooling operation and its function.

Timer Operation

Setting ON/OFF Timers

Guides on setting the ON timer and OFF timer for convenient operation.

Long-Term Storage

Procedures for preparing the unit when not in use for a long time.

Maintenance

Cleaning the Indoor Unit

Instructions for cleaning the indoor unit with a soft dry cloth or mild detergent solution.

Cleaning the Air Filter (Catechin)

Steps for removing and cleaning the air filter approximately every two weeks.

Air Cleaning Filter

Replacement of Air Cleaning Filter

Guidance on replacing the air cleaning filter, recommended annually.

Cleaning the Air Cleaning Filter

Instructions for cleaning the air cleaning filter, recommended every three months.

Troubleshooting

Before Contacting Service

Checkpoints to resolve issues before contacting the service representative.

When Trouble Has Occurred

Answers for common operational sounds and minor issues that are not malfunctions.

Installation, Relocation, and Inspection

Installation Place Considerations

Advice on suitable and unsuitable locations for installing the air conditioner.

Electrical Work and Grounding

Guidelines for electrical work, power supply, and proper grounding.

Inspection, Maintenance, and Relocation

Recommendations for periodic inspection, maintenance, and professional relocation.