Mitsubishi Electric MSX-05NV2-E2 User manual

SERVICE MANUAL

SPLIT-TYPE AIR CONDITIONERS

CONTENTS

1. TECHNICAL CHANGES ····································2

2. OUTLINES AND DIMENSIONS ·························2

3. SERVICE FUNCTIONS ······································3

4. PARTS LIST ·······················································4

Wireless type

Models MSX-05NV- (WH)●MUX-10NV-

MSX-09NV- (WH)●MUX-18NV-

MSX-12NV- (WH)●MUX-24NV-

MSX-05NV22-(WH)●MUX-10NV-

MSX-09NV22-(WH)●MUX-18NV-

MSX-12NV22-(WH)●MUX-24NV- E1E1

E1E1

E1E2

No. OB221

NOTE:This Service Manual covers only change points.

(MSX-05/09/12NV- ➔MSX-05/09/12NV- )

(MSX-05/09/12NV- ➔MSX-05/09/12NV2-)

Please refer to the Service Manual OB183 SECOND

EDITION for unchanged contents.

Please refer to the Service Manual OB183 SECOND

EDITION for MUX-10/18/24NV- .

E1E2

E2E1

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314.5323

2.5 186

191

223

266.5

225

84.5

133.5

84.5

225

183

13062560

275

815

17.5

783

7 or more

100

160

Liquid line {6.35-0.5m

Gas line {9.52-0.43m

Insulation {35 O.D

{19 I.D

Wireless remote controller

Power supply cord

Lead to right 1.0m

Lead to left 0.3m

Installation plate

Indoor unit

Wall hole {65

Installation plate

Drain hose {16

Insulation {28

Air out

{

Air in

MSX-05NV22- , MSX-09NV22-

MSX-12NV22-E1

E1E1

Unit : mm

OUTLINES AND DIMENSIONS

INDOOR UNIT

1TECHNICAL CHANGES

MSX-10NV- ➔MSX-10NV-

MSX-18NV- ➔MSX-18NV-

MSX-24NV- ➔MSX-24NV- E2E1

E2E1

MSX-10NV- ➔MSX-10NV22-

MSX-18NV- ➔MSX-18NV22-

MSX-24NV- ➔MSX-24NV22-E1E2

E1E2

1. Indoor unit design has changed.

1. Auto restart function has added.

2. INDOOR ELECTRONIC CONTROL P.C. BOARD has changed.

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3SERVICE FUNCTIONS

When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are

memorized by the indoor electronic control P.C.board. The “AUTO RESTART FUNCTION” sets to work the moment power

has restored after power failure.Then, the unit will restart automatically. However if the unit is operated in “I FEEL

CONTROL.” mode before power failure, the operation is not memorized. In “I FEEL CONTROL.” mode, the operation is

decided by the initial room temperature.

How to set “AUTO RESTART FUNCTION”

1Turn off the main power for the unit.

2Removed the electronic control P.C. board and the display P.C.board. (See page 39.)

3Cut the RESISTOR JR07 on the indoor electronic control P.C.board.

C11

52C

CN201

CN112

CN121SW

CN111

IC101

CN211

CN151

JR07

Operation

1If the main power (220-240V AC) has been cut, the operation settings remain.

2After the power is restored, the unit restarts automatically according to the memory.(However, it takes at least 3 minutes

for the compressor to start running.)

Note:

•The operation settings are memorized when 10 seconds have passed after the remote controller was operated.

•If main power is cut while AUTO START/STOP timer is active ,the timer setting is cancelled when auto restart function

works.

•If the unit has been off with the remote controller before power failure, the auto restart function does not works as the

power button of the remote controller is off.

•To prevent breaker off due to the rush of startting current, systematize other home appliance not to turn on at the same

time.

•When more than one air conditioners are connected under the same power system,compressor starting current as large

as that for all the compressors used flows at a time as soon as the units restart automatically.

Therefore, the specific counter-measures are required to prevent main voltage drop or the rush of starting current after

power failure by providing the system to allow the units to start in regular succession.

1. AUTO RESTART FUNCTION

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PARTS LIST

INDOOR UNIT

STRUCTURAL PARTS

MSX-05NV - (WH)

MSX-09NV - (WH)

MSX-12NV - (WH)

No.

Parts No. Parts Name Remarks

Symbol

in Wiring

Diagram

E02 315 000

E02 316 000

E02 317 000

E02 151 010

E02 164 100

E02 166 234

E02 151 970

E02 166 067

FRONT PANEL

GRILLE

AIR FILTER

BOX

INSTALLATION PLATE

SCREW CAP

2 2PCS/SET

Q'ty / unit

MSX-

12NV-

(WH)

MSX-

05NV-

(WH)

MSX-

09NV-

(WH)

Optional parts

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INDOOR UNIT

STRUCTURAL PARTS

MSX-05NV22- (WH)

MSX-09NV22- (WH)

MSX-12NV22- (WH)

No.

Parts No. Parts Name Remarks

Symbol

in Wiring

Diagram

E02 349 000

E02 350 000

E02 351 000

E02 339 010

E02 164 100

E02 166 234

E02 151 970

E02 166 067

FRONT PANEL

GRILLE

AIR FILTER

BOX

INSTALLATION PLATE

SCREW CAP

2 2PCS/SET

Q'ty / unit

MSX-

12NV2-

(WH)

MSX-

05NV2-

(WH)

MSX-

09NV2-

(WH)



Optional parts

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INDOOR UNIT

ELECTRICAL PARTS

MSX-05NV - (WH) MSX-09NV - (WH) MSX-12NV - (WH)

MSX-05NV22- (WH) MSX-09NV22- (WH) MSX-12NV22- (WH)

E1E1E1

E2E2E2

No.

Parts No. Parts Name Remarks

Q'ty / unit

MSX-05/09 MSX-12

Symbol

in Wiring

Diagram

Part number that are circled not shown in the figure.

E02 199 235

E02 166 040

E02 141 702

E02 151 303

E02 151 300

E02 151 505

E02 151 302

E02 151 509

E02 151 308

E02 151 307

E02 211 375

E02 211 452

E02 281 452

E02 152 395

E02 127 382

E02 164 081

E02 151 350

E02 085 385

E02 001 504

E02 199 520

NOZZLE(WH)

VANE(WH)

DRAIN HOSE

VANE MOTOR

INDOOR FAN MOTOR

RUBBER MOUNT

LINE FLOW FAN

BEARING MOUNT

ROOM TEMPERATURE THERMISTOR

INDOOR COIL THERMISTOR

TERMINAL BLOCK

ELECTRONIC CONTROL P.C.BOARD

POWER SUPPLY CORD

FUSE

ELECTRICAL BOX

INDOOR FAN CAPACITOR

VARISTOR

SLEEVE BEARING

FAN GUARD

RC4V19 -

2PCS/SET

AUTO RESTART

3.15A

1.5µF/440VAC

RT11

RT12

F11

C11

NR11

NV2- E1

(WH)

NV- E2

(WH) NV- E2

(WH) NV2- E1

(WH)

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Remarks

E02 151 620

E02 339 620

E02 155 620

E02 336 620

E02 151 666

E02 155 666

E02 151 667

INDOOR HEAT EXCHANGER

UNION(GAS)

UNION(LIQUID)

{9.52

{12.7

{6.35

No.

Parts No. Parts Name Remarks

Q'ty / unit

MSX-05/09 MSX-12

Symbol

in Wiring

Diagram NV2- E1

(WH)

NV- E2

(WH) NV- E2

(WH) NV2- E1

(WH)

INDOOR UNIT

HEAT EXCHANGER

MSX-05NV - (WH)

MSX-09NV - (WH)

MSX-12NV - (WH)

MSX-05NV22- (WH)

MSX-09NV22- (WH)

MSX-12NV22- (WH)

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HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYO

New publication, effective Jan. 1998.

Specifications subject to change without notice.

Issued in Jan. 1998 NO. OB221 128

Printed in Japan

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