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Mitsubishi Electric MSH-12RV User Manual

Mitsubishi Electric MSH-12RV
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ADVANCED
AND
EVER
ADVANCING
MITSUBISHI
ELECTRIC
A
MITSUBISHI
ELECTRIC
SPLIT-TYPE
AIR
CONDITIONERS
OPERATING
INSTRUCTIONS
MSH-07RV
MSH-09RV
MSH-12RV
MSH-18RV
MSH-24RV
CONTENTS
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.)
SAFETY
PRECAUTIONS.
2
NAME
OF
EACH
PART.4
PREPARATION
BEFORE
OPERATION
.6
I
FEEL...
AUTO
OPERATION.7
MANUAL
OPERATION
(COOL,
DRY,
HEAT).8
AIR
FLOW
VELOCITY
AND
DIRECTION
ADJUSTMENT.9
ECONO
COOL
OPERATION.10
TIMER
OPERATION
(ON/OFFTIMER).11
WHEN
THE
AIR
CONDITIONER
IS
NOT
GOING
TO
BE
USED
FOR
ALONG
TIME.11
MAINTENANCE.12
CLEANING
THE
AIR
FILTER
AND
THE
DEODORIZING
FILTER.12
REPLACEMENT
OF
THE
DEODORIZING
FILTER/AIR
CLEANING
FILTER
...
13
BEFORE
CONTACTING
THE
SERVICE
REPRESENTATIVE,
CHECK
THE
FOLLOWING
AGAIN
.13
WHEN
YOU
THINK
THAT
TROUBLE
HAS
OCCURRED
.14
INSTALLATION,
RELOCATION
AND
INSPECTION.15

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Mitsubishi Electric MSH-12RV Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
RefrigerantR410A
TypeSplit System
Power Supply220-240 V
Noise Level (Outdoor Unit)50 dB

Summary

Safety Precautions

Marks and Their Meanings

Explains symbols like WARNING, CAUTION, and their meanings.

Warning Mark Positions and Safety Devices

Shows where safety marks are located on the unit.

Name of Each Part

Indoor Unit Components

Identifies components of the indoor unit.

Outdoor Unit Components

Identifies components of the outdoor unit.

Remote Controller Components

Identifies components of the remote controller.

Preparation Before Operation

Auto Restart Function

How to enable or understand the auto restart feature.

Setting Remote Current Time

Step-by-step guide to set the current time.

Emergency Operation

Procedure for operating without the remote controller.

Remote Battery Replacement

Instructions for replacing remote control batteries.

I FEEL... Auto Operation

'I FEEL' Mode Overview

Explains the automatic room condition setting mode.

Auto Operation Logic

Details how the unit selects operation modes automatically.

Indoor Unit Indicators

Explains the meaning of indicator lamps on the indoor unit.

Manual Operation (Cool, Dry, Heat)

Cooling Operation Tips

Advice for optimizing cooling performance.

Heating Operation Tips

Recommendations for temperature settings in heating mode.

DRY Mode Humidity Control

Explains humidity control and comfort levels.

Multi-System Air Conditioner Info

Specific information for MXZ series multi-system units.

Air Flow Velocity and Direction Adjustment

Fan Speed Adjustment

How to change the air flow velocity (fan speed).

Auto Air Flow Direction

How the unit automatically adjusts airflow direction.

Manual Vane Direction Control

Instructions for manually changing vertical airflow direction.

ECONO COOL Operation

ECONO COOL Feature

Explains the energy-saving cool mode with swing airflow.

Timer Operation (ON/OFF Timer)

Setting the ON Timer

Step-by-step guide to set the timer to turn the unit on.

Setting the OFF Timer

Step-by-step guide to set the timer to turn the unit off.

Programmed Timer Usage

How to combine ON and OFF timers for complex scheduling.

When the Air Conditioner Is Not Going to Be Used for a Long Time

Long-Term Storage Preparation

Steps to take before leaving the unit unused for an extended period.

Unit Reactivation After Storage

Instructions for bringing the unit back into use after storage.

Maintenance

Maintenance Safety Precautions

Important safety steps before performing maintenance.

Indoor Unit Exterior Cleaning

How to clean the main body of the indoor unit.

Air and Deodorizing Filter Cleaning

Detailed instructions for cleaning both types of filters.

Replacement of the Deodorizing Filter/ Air Cleaning Filter

Deodorizing Filter Replacement

Steps for replacing the deodorizing filter.

Air Cleaning Filter Replacement

Steps for replacing the air cleaning filter.

Before Contacting the Service Representative, Check the Following Again

Troubleshooting: No Operation

Checks to perform when the air conditioner does not turn on.

Troubleshooting: Poor Performance

Checks to perform when performance is poor.

Troubleshooting: Remote Issues

Checks to perform if the remote controller is not working.

When You Think That Trouble Has Occurred

Restart Behavior Explanation

Explains why the unit might not operate for 3 minutes after restart.

Explanation of Unusual Sounds

Covers cracking, burbling, hissing, and mechanical sounds.

Addressing Room Odors & Air Quality

Addresses strange smells and airflow issues.

Fan & Operation Anomalies

Explains fan stopping and operation interruptions.

Cooling Performance Issues

Discusses insufficient cooling and external factors.

Water-Related Phenomena Explanation

Explains water leaks and flowing sounds.

Installation, Relocation and Inspection

Installation Location Guidelines

Guidelines for choosing the best place to install the unit, avoiding hazardous locations.

Electrical Installation Requirements

Rules and precautions for proper electrical wiring and circuit protection.

Operating Sound Considerations

Factors that can affect the operating sound of the unit.

Relocation & Inspection

Procedures and warnings for moving the unit and necessary periodic checks.

Product Disposal Guidelines

Instructions on how to properly dispose of the air conditioner.

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