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Mitsubishi Electric Mr.Slim MS12NN User Manual

Mitsubishi Electric Mr.Slim MS12NN
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~
MITSUBISHI
~ELECTRIC
SPRIT-TYPE AIR CONDITIONERS
OPERATING INSTRUCTIONS
MS09NW
MS12NN
MS15NN
MS17NN
m
1r.
$ l
II
m
l
For
customers I
CONTENTS
SAFETY
PRECAUTIONS
........................................................... 1
NAME
OF
EACH
PART
•••..•.••••..•.•••...•••..•.••...•.•.••...•.••....••••.•..••..
5
PREPARATION
BEFORE
OPERATION
•..•••••..•.•••••••••••...•••••.•.••.
7
"I
FEEL
."
AUTO
OPERATION
••••.•.••••.•.•.•.•..•.•..•.•..•••.•••••••••..••..
9
MANUAL
OPERATION
(COOL,
ORY,
FAN)
••••..•...•••..••.•.....•••.•
11
AIRFLOW
VELOCITY
AND
DIRECTION
ADJUSTMENT
•••...••
13
SWING
OPERATION
................................................................
15
TIMER
OPERATION
(ON/OFF
TIMER)
.•••.••••••••••.•.••••••...••.••..•
16
WHEN
THE
AIR
CONDITIONER
IS
NOT
GOING
TO
BE
USED
FOR
A
LONG
TIME
••••••.•••.••.•••••..•••••..••••.•••••.•••••••••••••..•
17
MAINTENANCE
....................................................................... 18
CLEANING
THE
AIR
FILTER/DEODORIZING
FILTER
••....•••..•
19
REPLACEMENT
OF
THE DEODORIZING
FILTER/
AIR
CLEANING
FILTER
(OPTION)
••••..••••...•••••..••••••••••••..•••••.••
20
BEFORE
CONTACTING
THE
SERVICE
MAN,
CHECK
THE
FOLLOWING
AGAIN
...........................................
21
WHEN
YOU
THINK
THAT
TROUBLE
HAS
OCCUREO
•••
L
....
22
·
INSTALLATION,
RELOCATION
ANO
INSPECTION ................
24
Thank
you
very
much
for
purchasing
this
Mitsubishi
room
air
conditioner.
To
use
this
unit
correctly
and
safely,
be
sure
to
read
this
instruction manual
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).

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Mitsubishi Electric Mr.Slim MS12NN Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMr.Slim MS12NN
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Symbols and Meanings

Explains the meaning of warning and caution symbols used in the manual.

General Safety Advice

Basic advice for household use and reading safety precautions before operation.

Warning Safety Precautions

Prevent Insertion Injuries

Warning against inserting fingers or objects into air inlets/outlets due to high-speed fan rotation.

Avoid Direct Airflow Exposure

Caution against prolonged direct exposure to cool air, which can damage health.

Prohibit Customer Installation

Statement that customers should not install the unit to prevent fire, shock, or injury risks.

Handling Abnormal Operations

Instruction to stop the air conditioner and turn off the breaker if an abnormality occurs.

Caution Safety Precautions

Maintenance Safety Measures

Advice to avoid touching metal parts of the indoor unit when removing the air filter.

Water Cleaning and Ventilation Risks

Warnings against cleaning with water and the need for ventilation with stoves.

Electrical and Environmental Hazards

Precautions regarding operating switches with wet hands and flammable sprays.

Usage Restrictions and Precautions

Guidance on not using the unit for special purposes or near pets/plants.

Additional Safety Precautions

Long-Term Use and Humidity Guidelines

Instructions for long periods of non-use and operating in high humidity conditions.

Installation, Grounding, and Gas Safety

Safety advice on grounding, GFI breakers, and avoiding flammable gas environments.

Unit Stability and Drainage Safety

Precautions against stepping on the unit or unstable surfaces and ensuring proper drainage.

Name of Each Part

Indoor Unit Components Identification

Diagram and labels for the parts of the indoor unit.

Outdoor Unit Components Identification

Diagram and labels for the parts of the outdoor unit.

Remote Controller Details

Remote Controller Components Overview

Diagram and labels for the components of the remote controller.

Preparation Before Operation

Indoor Unit Power Activation

Instruction to turn the circuit breaker ON before operating the unit.

Setting Current Time on Remote

Step-by-step guide for setting the current time on the remote controller.

Remote Controller Usage and Emergency

Remote Controller Handling and Range

Information on the signal range, proper handling, and care of the remote controller.

Remote Controller Installation

Instructions on how to install the remote controller on a wall using its case.

Dry-Cell Battery Information

Guidance on replacing batteries, type, and precautions for long-term storage.

Emergency Operation Procedure

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

"I FEEL..." Auto Operation

Starting and Stopping "I FEEL..." Mode

Instructions on how to initiate and terminate the "I FEEL..." auto operation mode.

Adjusting Temperature in "I FEEL..." Mode

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

"I FEEL..." Auto Operation Details

Operation Logic and Indicators

Details on how the mode selects COOL/DRY based on room temp and indicator meanings.

AUTO RESTART FUNCTION Explained

Information on the unit's ability to restart in the previous mode after power interruption.

Manual Operation Modes

Selecting COOL, DRY, or FAN Modes

Procedure for selecting manual operation modes using the MODE button.

Temperature Adjustment in Manual Modes

How to adjust temperature up or down during manual operation.

Operational Tips and Modes

Effective Cooling Strategies

Tips for maximizing cooling efficiency, such as closing windows and using heat shield film.

Comfort Humidity Levels

Information on ideal humidity levels for human comfort in different seasons.

AUTO RESTART FUNCTION Reference

Reference to page 10 for details on the auto restart function.

Airflow Velocity and Direction Adjustment

Adjusting Fan Speed

How to change the airflow velocity using the FAN button.

Adjusting Vertical Airflow

How to adjust the vertical direction of airflow using the VANE button.

Airflow Direction Control

AUTO Mode Airflow Direction

How horizontal vane position is automatically set for COOL, DRY, and FAN modes.

Manual Horizontal Airflow Adjustment

Instructions on manually adjusting the vertical vanes for horizontal airflow control.

Swing Operation

Activating Swing Mode

How to start the swing operation using the SWING button.

Deactivating Swing Mode

How to stop the swing operation by pressing the SWING button again.

Timer Operation (ON/OFF Timer)

Setting the ON Timer

Procedure for setting the timer to turn the unit ON, using OSTART, HR, MIN buttons.

Setting the OFF Timer

Procedure for setting the timer to turn the unit OFF, using OSTOP, HR, MIN buttons.

Long-Term Storage and Reuse

Preparing for Extended Non-Use

Steps for preparing the unit when it will not be used for a long time.

Preparing for Return to Service

Instructions for getting the unit ready for use after a long period of storage.

Maintenance Procedures

Pre-Maintenance Safety Checks

Crucial safety step: turn off the breaker before starting any maintenance.

Cleaning the Indoor Unit

Guidance on cleaning the indoor unit using a soft dry cloth and avoiding chemicals.

Filter Cleaning Instructions

Cleaning the Air Filter

Step-by-step guide for cleaning the air filter, typically every two weeks.

Cleaning the Deodorizing Filter

Instructions for cleaning the optional deodorizing filter, usually every two weeks.

Filter Replacement and Options

Deodorizing Filter Replacement

Guidance on when to replace the deodorizing filter (approx. annually).

Air Cleaning Filter Replacement

Guidance on when to replace the air cleaning filter (approx. every 4 months).

Optional Parts Availability

Information on where to obtain optional parts like filters from local dealers.

Pre-Service Troubleshooting

Unit Operation Checks

Checks for when the air conditioner cannot be operated (breaker, timer).

Cooling Performance Checks

Checks for insufficient cooling (temperature setting, air filter, outlets).

Remote Control Functionality Checks

Checks for remote display issues (batteries, polarity).

Environmental Interference Issues

Potential interference from fluorescent lamps, radio waves, and thunder.

Common Operational Anomalies

Delayed Operation Post-Restart

Explanation for the unit's delayed operation after restarting (microprocessor protection).

Sound-Related Operational Quirks

Explanations for sounds like cracking, water flow, and defrosting.

Odor and Fan Behavior During DRY Mode

Reasons for room odors and fan stopping during DRY operation.

Airflow Direction Changes Explained

How airflow direction automatically adjusts in COOL/DRY modes to prevent water dripping.

Occasional Troubleshooting Scenarios

Mechanical Sounds and Water Leaks

Explanations for mechanical sounds and water leaks from the outdoor unit.

Power-On Operation Issues

Troubleshooting for the unit not operating when main power is turned on after prior shutdown.

Installation, Relocation, and Maintenance Advice

Proper Installation Location Criteria

Guidelines for choosing an installation location, avoiding hazards like gas leaks.

Electrical Installation Requirements

Requirements for electrical work, including dedicated circuits and proper fusing.

Professional Maintenance and Inspection

Recommendation for professional inspection and maintenance to ensure optimal performance.

Relocation and Product Disposal

Advice on professional relocation services and proper product disposal through dealers.

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