Mitsubishi Electric MJ-E14CG-S1-IT Bedienungsanleitung

2013

DEHUMIDIFIER

SERVICE MANUAL

Model MJ-E14CG-S1-IT

No.MJW-E-12060

Sold from 2013

CONTENTS

1. Precautions 2

2. Names and Functions of Parts 3

3. Specifications 5

4. Outer Dimensions 5

5. Wiring Diagram 6

6. Function 8

7. Technical Points 9

8. Precautions for failure diagnosis 10

9. Troubleshooting Procedure 11

10. Troubleshooting 18

11. Maintenance 19

12. Service Checklist 21

13. Precautions for Disassembly and Reassembly 22

14. Disassembly and Reassembly Hints 24

15. Parts Catalog 32

1. Precautions Note) This page is extracted from the instruction manual.

Note) This page is extracted from the instruction manual. 2. Names and Functions of Parts

Note) This page is extracted from the instruction manual.

3. Speciﬁcations

4. Outer Dimensions

Note) This page is extracted from the instruction manual.

5. Wiring Diagram

1) Wiring Diagram

(1) Current fuse....................Overcurrent flow caused by deterioration in electrical parts or other problems

turns the power source to OFF.

(2) Motor protector................The compressor stops operating if the room temperature exceeds 35°C.

(Overload relay) The compressor will also shut down when malfunctions or other problems

cause the current flow to exceed 5.3A.

(3) Control circuitry...............The room temperature thermister senses temperature below about 0°C, and

shuts down the compressor.

(4) Thermal fuse...................When blower motor temperature exceeds 133°C due to blower locking or other

malfunctions, blower operation shuts down.

(5) Current fuse for compressor protection

................... If the protection by motor protector and control circuitry is not effective,

the compressor shuts down when the current to it exceeds approximately 10A.

Safety Devices

P1 P11

P20

P100

P2 P3P5

P200

P10

P13

P201

101

White

Orange

Red

Thermistor (Tube

temperature sensing)

1℃(defrost)/12℃(end)

Sensors

(Humidity and room

temperature sensing)

Power control board

Blue

Yellow/Green

Brown

Gray

Blue

Black

Gray

White

Red

Yellow

Operation

control board

Float switch

Power plug

Stepping motor

Run capacitor

Compressor

Solenoid valve

Blower fan motor

2) Board Diagram

[Power control board]

[Operation control board]

6. Function

■Function List

Compressor

Blower fan

Solenoid valve

Swing louvre

Power

Lamps

Air Purifier

Full

Drying inside

Humidity (set/current)

Operation mode

Swing area

Swing monitor

Off/on timer

Mildew guard

Defrost

Low temp

Child lock

Power

Selection

Mode

Humidity Selection

Air purfier

Swing louvre

Off/on timer

Drying inside

Child lock

LCD indicator LED indicator

Button

Child lock

Operation off

Auto

Mildew guard

Low Temp

Intelligent Laundry

Easy

dehumidifying

Full

Air purifier

Drying inside

Defrost

Off timer on

On timer

being set

On timer

counting

Low

Operation mode

Dehumidifying operation

Note : Display lamp/Operable

: Timer - flashes when on

: Off/stopped/inoperable

: Operable only when swing on/lit

: Operable only when swing on and blower fan rotates

: LCD/LED lights at each operation mode

: LCD/LED flashes at each operation mode

: Lights at room temperatures of 14℃or under

: Varies by conditions.

: ON LED lit or flashing

: OFF LED lit

OFF

Intelligent

7. Technical Points

Dehumidifying

Defrosting

Coolant flow

Blow

Fan

Heat exchanger

(heat radiation)

φ5

φ6.35

φ5

φ6.35

Compressor

Heat exchanger

(cooling)

Intake

φ6.35

Tube temperature

sensing thermistor

φ6.35

Capillary tube

φ2.0×φ0.8×φ340

φ5.0×φ4.0

φ6.35

Humidity

sensor

Room

temperature

sensing thermistor

Solenoid

valve

(closed when

dehumidifying

and open

when

defrosting)

Note) This page is extracted from the instruction manual.

■Coolant Circuit

■Performance curve

Electric shock

No wet hands

Don’t touch

Check

Returntoasitwas

Keep awayWear gloves

WARNING

CAUTION

WARNING

CAUTION

Mishandling may result in minor or damage to your home or property ,etc.

Mishandling may result in fatal or serious injury, or fire.

Remove the power plug

from the socket.

Forbidden Always follow the

instructions Alert

Meanings of graphic symbols are explained below.

Failure to do so may cause electric shock or injuries.

Do not touch a rotating object

until it completely stops.

The rotating object may catch your hand etc,

and result in injuries.

Check the wiring diagram

before wiring processing.

Failure to do so may cause combustion,

generation of smoke, and/or malfunction.

When performing work with

the power on, be careful

not to touch the live part.

This may cause electric shock.

Do not work with wet hands.

This may cause electric shock.

After the work,

laythewireout asitwasbefore.

Failure to do so may cause combustion,

generation of smoke, and/or malfunction.

Wear protective gloves.

Failure to do so may result in injuries

by the edge of metal, electric shock,

and/or burns caused by contact with hot section.

Keep children away.

Failure to do so may result in

electric shock and/or injuries when moving

the unit or using a measuring device.

The following precautions should be observed in order to perform troubleshooting safely and correctly.

The following diagrams indicate circumstances where danger can result from mishandling the unit.

Unplug

8. Precautions for failure diagnosis

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