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Mitsubishi Electric MJ-EV38HR-A User Manual

Mitsubishi Electric MJ-EV38HR-A
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DEHUMIDIFIER
MODEL
MJ-EV38HR-A
INSTRUCTION MANUAL
Features
Compact and powerful
Inverter technology, energy saving
Air purifying function with
PM2.5 lter
Before Using the UnitOperating
Troubleshooting
This appliance is not intended for users (including children) with insufficient physiological, sensory or mental
capabilities or the lack of experience or knowledge, unless it is used under the supervision or instruction of a
qualified safety personnel.
Children should be supervised to ensure that they do not play with the appliance.
If the power cord is damaged, it must be replaced by the manufacturer, its services agent or any suitably qualified
electrical person in order to avoid a hazard.
Table of Contents page
Recommended Ways of
Using the Unit 2
Precautions 3
Warning 5
Tips on Dehumidication 5
Features of This Dehumidier 6
Names and Functions of Parts 7
Front/Back 7
Control Panel/Inverter Indicator/LCD Display 8
Before Using Your Dehumidier 9
Carrying the Unit 9
Drying Laundry 10
INTELLIGENT LAUNDRY
Dehumidifying 12
EASY/ECO AUTO/HIGH/LOW/MILDEW GUARD
Cleaning the Air (AIR PURIFIER) 15
Replacement Parts 15
Using Child Lock 15
Using Louvre 16
Using Timer 17
OFF TIMER/ON TIMER
Drying Inside Operation 18
Draining 19
Continuous Drainage 20
Maintenance 21
Storage 21
Troubleshooting 22
Specications Back cover
Disposal Back cover
In order to ensure correct usage, please read
this instruction manual carefully and retain it
for future reference.
Before accepting the Warranty at the time of
purchase, please make sure that the date of
purchase, place of purchase and other items
are correctly filled in the form.
e_mj_ev38hr_a_cs55.indd 1 2020/12/11 17:43:12
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Mitsubishi Electric MJ-EV38HR-A Specifications

General IconGeneral
ModelMJ-EV38HR-A
Dehumidification Capacity (30°C, 80% RH)38 L/day
Dehumidification Capacity (27°C, 60% RH)20 L/day
Water Tank Capacity5.5 L
Operating Temperature5 - 35 °C
Air Flow (High)230 m³/h

Summary

Recommended Ways of Using the Unit

Drying Laundry Scenarios

Guidance on using the unit for drying laundry, including automatic and continuous operation.

Dehumidifying Modes Guide

Information on selecting modes like ECO AUTO, EASY, HIGH, and LOW for dehumidification.

Mildew Guard Operation

Instructions for using the MILDEW GUARD mode to prevent mold growth.

Air Purifier Functionality

Details on operating the unit's air purifying function.

Frequently Asked Questions

Answers to common user queries regarding dehumidifier operation and performance.

General Precautions and Warnings

Understanding Safety Symbols

Explanation of warning and caution symbols used in the manual and on the unit.

Critical Safety Warnings (AWARNING)

Essential warnings regarding electrical safety, cord handling, and unit modification.

Cautionary Measures for Safe Operation

Operational Environment Cautions

Guidelines on suitable operating environments, avoiding water contact, sunlight, and enclosed spaces.

Usage Location and Handling Cautions

Precautions for unit placement, movement, and avoiding damage from tipping or improper handling.

Dehumidification Tips and Best Practices

Effective Laundry Drying Techniques

Advice on hanging clothes, spacing, and ventilation for efficient laundry drying.

Dehumidifier Placement for Drying

Optimal positioning of the dehumidifier relative to laundry for best airflow.

Airflow Blowing Strategy

Using the louvre to direct airflow effectively over laundry.

Room Conditions for Drying

Recommendations for room temperature and closing doors/windows during drying.

Dehumidifier Features Explained

Impact of Room Temperature

Explanation of how room temperature affects dehumidifier performance and air temperature.

How the Dehumidifier Works

Detailed explanation of the cooling coil, water tank, and re-heating coil mechanism.

Inverter Technology Benefits

Information on the inverter's role in controlling compressor speed for efficiency.

Operating Temperature Range

The optimal room temperature range for effective dehumidifier operation.

Humidity Reading Differences

Reasons why the unit's humidity reading may differ from a separate hygrometer.

Defrosting Operation Mechanism

Explanation of the automatic defrosting process when the unit operates in cold conditions.

Unit Parts Identification

Front Panel Components

Identification and function of parts located on the front of the unit.

Back Panel Components

Identification and function of parts located on the back of the unit.

PM2.5 Filter Explanation

Details about the PM2.5 filter, its structure, and capabilities.

Accessory Details

Information regarding accessories supplied with or available for the unit.

Control Panel and Indicators

Control Panel Button Functions

Description of the switches and buttons on the control panel.

Inverter Indicator Function

Explanation of the Inverter indicator light's meaning.

LCD Display Overview

Explanation of indicators and information displayed on the LCD screen.

Humidity Indicator Function

Details on how the humidity indicator displays current and set humidity levels.

Initial Setup and Handling

Setting Up the PM2.5 Filter

Step-by-step guide for installing the PM2.5 filter before first use.

Correct Water Tank Insertion

Instructions for properly inserting the water tank into the unit.

Power Cord Connection

Guidance on safely plugging the power cord into a socket.

Safe Unit Carrying Procedures

Recommendations for safely carrying and moving the dehumidifier.

Drying Laundry Operation

Intelligent Laundry Mode

How the Intelligent Laundry mode automatically estimates drying time.

Operation Mode Details

Information on operating times and conditions for the Intelligent Laundry mode.

Stopping the Drying Laundry Operation

Instructions on how to stop the laundry drying operation.

Advanced Laundry Drying Techniques

Optimal Clothes Hanging Method

Tips for spacing and hanging clothes to maximize drying efficiency.

Dehumidifier Placement for Airflow

Correct placement of the unit to ensure air blows towards the laundry.

Airflow Blowing Strategy

Using the louvre to direct air to all parts of the laundry.

Room Conditions for Drying

Recommendations for room environment, including temperature and ventilation.

Dehumidifying Operation Modes

Selecting Dehumidifying Mode

How to cycle through and select different dehumidifying modes (EASY, ECO AUTO, HIGH, LOW).

Setting Humidity Levels

Instructions for setting the desired humidity level, primarily in ECO AUTO mode.

Louvre Swing Direction Control

How to select and adjust the louvre's swing direction.

Stopping Dehumidifying Operation

How to stop the dehumidifying operation.

Dehumidifying Mode Specifics

EASY Mode Operation

Details on the EASY mode, which operates intermittently to relieve dampness.

ECO AUTO Mode Operation

Explanation of ECO AUTO mode for maintaining humidity levels.

HIGH Mode Operation

Information on the HIGH mode for strong dehumidification with continuous airflow.

LOW Mode Operation

Details on the LOW mode for dehumidifying with reduced blower sound.

MILDEW GUARD Mode Details

Purpose of Mildew Guard Mode

How this mode suppresses mildew growth by removing residual moisture.

Unit Installation for Mildew Guard

Recommended placement for the unit when using the Mildew Guard function.

Optimal Conditions for Mildew Guard

Factors affecting the results and optimal conditions for mildew prevention.

How Mildew Growth is Suppressed

The principle behind mildew suppression through drying.

Air Purification and Filter Replacement

Air Purifier Functionality

Operation of the air purifier function and filter system.

Replacement Filter Information

Details about the PM2.5 filter being a consumable part requiring regular replacement.

PM2.5 Filter Replacement Guide

Instructions on when and how to replace the PM2.5 filter.

Using the Louvre for Airflow Control

Louvre Swing Functionality

Explanation of the louvre's adjustable swing settings for different purposes.

Louvre Stopped Position

How to stop the louvre at a desired angle.

Rear Louvre Swing

Using the rear swing mode to direct air to the back of the unit.

Upward Louvre Swing

Using the upward swing mode for air distribution.

Wide Louvre Swing

Using the wide swing mode to cover the entire room.

Timer Operation Guide

Setting the OFF Timer

Instructions for setting the timer to turn the unit off automatically.

Setting the ON Timer

Instructions for setting the timer to turn the unit on automatically.

Timer Operation Cancellation

How to cancel or disable timer settings.

Drying Inside Operation

Automatic Drying Inside Operation

How to activate the automatic drying cycle after use.

Manual Drying Inside Operation

How to start the drying inside operation manually when the unit is off.

Aborting Drying Inside Operation

Instructions on how to stop the drying inside operation and resume normal use.

Water Tank Draining Procedure

Full Tank Indicator Lights

What happens when the water tank is full and how the indicator lights up.

Removing and Emptying Water Tank

Step-by-step instructions for safely removing and emptying the water tank.

Closing Tank Lid and Guard

Ensuring the tank lid and guard are securely attached before reinserting.

Continuous Drainage Setup

Continuous Drainage Requirements

Information on attaching a hose for continuous drainage and necessary precautions.

Hose Installation and Drainage

Detailed steps for installing the hose and ensuring proper drainage.

Routine Maintenance Procedures

Once Every Two Weeks Cleaning

Schedule and instructions for cleaning the rear air intake, pre-filter, and sensor.

When Cleaning the Unit

Instructions for cleaning the water tank and main body with a soft cloth.

Unit Storage Guidelines

Pre-storage Drying Operation

Performing the DRYING INSIDE operation before storage to prevent mildew.

Power Cord Management

Instructions for storing the power cord safely.

Draining Water Before Storage

Ensuring the water tank is completely drained before storing the unit.

Filter Cleaning Before Storage

Cleaning the pre-filter and PM2.5 filter before storing the unit.

Storing the Unit Safely

Guidelines for covering and storing the unit in a suitable location.

Troubleshooting Common Issues

Unit Blowing Warm Air

Cause and remedy for the unit blowing warm air.

Low Dehumidifying Results

Troubleshooting low water collection and minimal dehumidifying effects.

Unit Not Operating

Diagnosing and resolving issues where the unit does not operate or the louvre is stuck.

Unit Stops During Operation

Reasons for the unit stopping unexpectedly during operation.

Unit Stops After Short Time

Troubleshooting the unit stopping shortly after starting operation.

Full Tank Indicator Issues

Resolving problems related to the full tank indicator and water tank insertion.

Operation Continues After Power Off

Troubleshooting the unit continuing operation after power is turned off.

Humidity Level Not Dropping

Addressing issues where the desired humidity level is not being reached.

Hygrometer Reading Discrepancies

Explanation for differences in humidity readings between the unit and other hygrometers.

Louvre Not Working Correctly

Troubleshooting problems with the louvre's movement or position.

Louvre Remains Open at Stop

Addressing the issue where the louvre remains open after the unit stops.

Water Tank Residue

Information about liquid or white residue found in the water tank.

Black Residue in Water Tank

Troubleshooting black residue inside the water tank and lid.

Troubleshooting Noise and Odor Issues

Loud or Reverberating Noise

Causes and remedies for loud or reverberating operating noise.

Increased Operating Sound Volume

Troubleshooting sudden increases in operating sound volume.

Simmering Sound Explanation

Explanation of the simmering sound produced by refrigerant flow.

Intermittent Buzzing Sound

Troubleshooting intermittent buzzing sounds or compressor startup issues.

Odor During First Use

Addressing odors that may be present when the unit is first used.

Power Plug/Socket Heat

Troubleshooting abnormal heat generated by the power plug or socket.

Error Message Display

Information about error messages displayed on the unit.

Digital Display Error Codes

Explanation of specific error codes and their corresponding remedies.

Product Specifications Overview

Model and Power Details

Technical specifications including model number and power supply requirements.

Capacity and Consumption

Details on dehumidifying capacity, power consumption, and water tank capacity.

Dimensions and Weight

Physical specifications of the unit, including height, width, depth, and weight.

Product Disposal Guidelines

Filter Disposal Instructions

Proper procedures for disposing of the PM2.5 filter according to local regulations.

Unit Disposal Instructions

Guidelines for disposing of the dehumidifier unit without disassembly.

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