Mitsubishi Electric MSZ-GS06NA - U1 Manual de usuario

Models

MSZ-GS06NA -U1 MSY-GS09NA -U1

MSZ-GS09NA -U1 MSY-GS12NA -U1

MSZ-GS12NA -U1 MSY-GS15NA -U1

MSZ-GS15NA -U1 MSY-GS18NA -U1

MSZ-GS18NA -U1 MSY-GS24NA -U1

MSZ-GS24NA -U1 MSY-GS30NA -U1

MSZ-GS30NA -U1 MSY-GS30NA2 -U1

MSZ-GS30NA2 -U1 MSY-GS36NA -U1

MSZ-GS36NA -U1 MSY-GS36NA2 -U1

MSZ-GS36NA2 -U1

SERVICE MANUAL

CONTENTS

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

2. PART NAMES AND FUNCTIONS ··················3

3. SPECIFICATION ········································7

4. OUTLINES AND DIMENSIONS ···················10

5. WIRING DIAGRAM···································12

6. REFRIGERANT SYSTEM DIAGRAM ···········15

7. SERVICE FUNCTIONS······························17

8. MICROPROCESSOR CONTROL·················20

9. TROUBLESHOOTING·······························34

10. DISASSEMBLY INSTRUCTIONS·················59

No. OBH874

REVISED EDITION-A

INDOOR UNIT

Outdoor unit service manual

MUZ-GS•NA/NAH, MUY-GS•NA Series (OBH875)

MXZ-C•NA, MXZ-C•NAHZ Series (OCH573)

PARTS CATALOG (OBB874)

OBH874 is void.

Revision A:

• MSZ-GS06/09/12/15/18/24NA - U1 ,

MSY-GS09/12/15/18/24NA - U1 ,

MSZ-GS30/36NA2 - U1 and

MSY-GS30/36NA2 - U1 have been added.

MSZ-GS18NA

MSY-GS18NA

TECHNICAL CHANGES1

MSZ-GS30NA - U1 MSY-GS30NA - U1

MSZ-GS36NA - U1 MSY-GS36NA - U1

1. New model

MSZ-GS06NA - U1

MSZ-GS09NA - U1 MSY-GS09NA - U1

MSZ-GS12NA - U1 MSY-GS12NA - U1

MSZ-GS15NA - U1 MSY-GS15NA - U1

MSZ-GS18NA - U1 MSY-GS18NA - U1

MSZ-GS24NA - U1 MSY-GS24NA - U1

1. New model

MSZ-GS30NA - U1 MSZ-GS30NA2 - U1

MSY-GS30NA - U1 MSY-GS30NA2 - U1

MSZ-GS36NA - U1 MSZ-GS36NA2 - U1

MSY-GS36NA - U1 MSY-GS36NA2 - U1

1. New model

Revision A:

• MSZ-GS06/09/12/15/18/24NA - U1 , MSY-GS09/12/15/18/24NA - U1 , MSZ-GS30/36NA2 - U1 and MSY-GS30/36NA2 - U1

have been added.

Use the specied refrigerant only

Never use any refrigerant other than that specified.

Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.

Correct refrigerant is specified in the manuals and on the spec labels provided with our products.

We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by failure to

follow the instructions.

Prepare the proper tools.

Prepare the proper protectors.

Provide adequate ventilation.

After stopping the operation of the air conditioner, turn off the power-supply breaker and pull the power plug.

Discharge the capacitor before the work involving the electric parts.

Do not perform the work involving the electric parts with wet hands.

Do not pour water into the electric parts.

Do not touch the refrigerant.

Do not touch the hot or cold areas in the refrigeration cycle.

When the repair or the inspection of the circuit needs to be done without turning off the power, exercise great caution not to

touch the live parts.

WARNING

• When the refrigeration circuit has a leak, do not execute pump down with the compressor.

• When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.

The compressor may burst if air etc. get into it.

• When opening or closing the valve below freezing temperatures, refrigerant may spurt out from the gap

between the valve stem and the valve body, resulting in injuries.

OBH874A

PART NAMES AND FUNCTIONS2

MSZ-GS06NA MSZ-GS09NA MSZ-GS12NA MSZ-GS15NA

MSY-GS09NA MSY-GS12NA MSY-GS15NA

ACCESSORIES

(1) Installation plate 1

(2) Attachment screws for the installation plate

4 × 25 mm 5

(3) Remote controller holder 1

(4) Screws for (3) 3.5 × 16 mm (Black) 2

(5) Battery (AAA) for (6) 2

(6) Wireless remote controller 1

(7) Felt tape (For left or left-rear piping) 1

(8) Air cleaning lter 2

Remote controller

Horizontal vane

Air ﬁlter

Air inlet

Heat exchanger

Front panel

Air cleaning ﬁlter

(

Anti-Allergy Enzyme Filter

)

(Nano platinum ﬁlter

)

Air outlet

Operation indicator lamp

Remote control receiving section

Emergency operation switch

Fan guard

OBH874A

MSZ-GS18NA

MSY-GS18NA

ACCESSORIES

(1) Installation plate 1

(2) Installation plate xing screw 4 × 25 mm 5

(3) Remote controller holder 1

(4) Fixing screw for (3) 3.5 × 16 mm (Black) 2

(5) Battery (AAA) for (6) 2

(6) Wireless remote controller 1

(7) Felt tape (Used for left or left-rear piping) 1

(8) Air cleaning lter 2

Fan guard

Remote controller

Operation indicator lamp

Emergency operation switch

Horizontal vane

Air outlet

Air ﬁlter

(Nano platinum ﬁlter

)

Air inlet

Front panel

Air cleaning ﬁlter

(Anti-Allergy Enzyme

Filter)

Remote control receiving section

Heat exchanger

OBH874A

MSZ-GS24NA

MSY-GS24NA

ACCESSORIES

(1) Installation plate 1

(2) Installation plate xing screw 4 × 25 mm 7

(3) Remote controller holder 1

(4) Fixing screw for (3) 3.5 × 16 mm (Black) 2

(5) Battery (AAA) for (6) 2

(6) Wireless remote controller 1

(7) Felt tape (Used for left or left-rear piping) 1

(8) Air cleaning lter 2

Fan guard

Remote controller

Front panel

Air ﬁlter

(Nano platinum filter)

Air inlet

Air cleaning filter

(Electrostatic anti-allergy

enzyme filter)

Air outlet

Horizontal vane

Operation indicator lamp

Emergency operation switch

Heat exchanger

Remote control receiving section

OBH874A

ACCESSORIES

MSZ-GS30NA MSZ-GS36NA MSZ-GS30NA2 MSY-GS30NA2

MSY-GS30NA MSY-GS36NA MSZ-GS36NA2 MSY-GS36NA2

(1) Installation plate 1

(2) Attachment screws for the installation plate

4 × 25 mm 7

(3) Remote controller holder 1

(4) Screws for (3) 3.5 × 1.6 mm (Black) 2

(5) Battery (AAA) for (6) 2

(6) Wireless remote controller 1

(7) Felt tape (For left or left-rear piping) 2

(8) Air cleaning lter 2

Operation indicator

lamp

Remote control

receiving section

Emergency

switch

Horizontal vane

Air outlet

Air ﬁlter

(Nano platinum filter)

Air inlet

Air cleaning ﬁlter

(Anti-Allergy Enzyme Filter)

operation

Front panel

Remote controller

MSZ-GS30/36NA2

MSY-GS30/36NA2

MSZ-GS30/36NA

MSY-GS30/36NA

Fan guard

OBH874A

SPECIFICATION3

Indoor model MSZ-GS15NA

MSY-GS15NA MSZ-GS18NA

MSY-GS18NA MSZ-GS24NA

MSY-GS24NA

Power supply V, phase, Hz 208/230, 1, 60

Disconnect switch A 15

Min. circuit ampacity A 1.0

Fan motor F.L.A 0.75 0.74 0.73

Airow

Super High - High - Med. -

Low - Quiet (GS15/18)

Super High -

High - Med. - Low (GS24)

COOL Dry

(Wet) CFM

504 - 400 - 316 - 253 - 191

(454 - 360 - 285 - 228 - 172) 629 - 511 - 407 - 325 - 250

(566 - 460 - 367 - 292 - 225) 701 - 565 - 456 - 361

(631 - 509 - 410 - 325)

HEAT Dry

(MSZ)CFM

437 - 348 - 285 - 231 - 191 629 - 550 - 459 - 375 - 287 701 - 565 - 456 - 336

Moisture removal pt./h 2.5 3.8 5.1

Sound level

Super High - High - Med. -

Low - Quiet (GS15/18)

Super High -

High - Med. - Low (GS24)

Cooling dB(A) 49 - 44 - 38 - 32 - 26 49 - 44 - 38 - 33 - 28 53 - 47 - 41 - 34

Heating

(MSZ)dB(A) 46 - 40 - 35 - 30 - 26 48 - 43 - 39 - 34 - 28 52 - 47 - 41 - 32

Fan speed

Super High - High - Med. -

Low - Quiet (GS15/18)

Super High -

High - Med. - Low (GS24)

Cooling rpm

1,280 - 1,060 - 880 - 740 - 600 1,170 - 990 - 830 - 700 - 580

1,300 - 1,090 - 920 - 770

Heating

(MSZ)rpm

1,140 - 950 - 810 - 690 - 600 1,170 - 1,050 - 910 - 780 - 640

1,300 - 1,090 - 920 - 730

Cond. drain connection O.D. in. 5/8

Dimensions Win. 31-7/16 36-5/16 43-5/16

D 9-1/8 9-13/16 9-3/8

H 11-5/8 12 12-13/16

Weight Ib. 23 28 37

External nish Munsell 1.0Y 9.2/0.2

Remote controller Wireless type

Control voltage (by built-in transformer) 12 - 24 V DC

NOTE: Test conditions are based on AHRI 210/240.

Indoor model MSZ-GS06NA MSZ-GS09NA

MSY-GS09NA MSZ-GS12NA

MSY-GS12NA

Power supply V, phase, Hz 208/230, 1, 60

Disconnect switch A 15

Min. circuit ampacity A 1.0

Fan motor F.L.A 0.75

Airow

Super High - High - Med. -

Low - Quiet

COOL Dry

(Wet) CFM 381 - 307 - 222 - 160 - 134

(343 - 276 - 200 - 144 - 121)

HEAT Dry CFM 390 - 307 - 222 - 160 - 134

Moisture removal pt./h – 0.4 2.5

Sound level

Super High - High - Med. -

Low - Quiet

Cooling dB(A) 43 - 37 - 30 - 22 - 19 45 - 37 - 30 - 22 - 19

Heating

(MSZ)dB(A) 43 - 37 - 30 - 22 - 19

Fan speed

Super High - High - Med. -

Low - Quiet

Cooling rpm 1,020 - 860 - 670 - 530 - 470

Heating

(MSZ)rpm 1,040 - 860 - 670 - 530 - 470

Cond. drain connection O.D. in. 5/8

Dimensions Win. 31-7/16

D 9-1/8

H 11-5/8

Weight Ib. 23

External nish Munsell 1.0Y 9.2/0.2

Remote controller Wireless type

Control voltage (by built-in transformer) 12 - 24 V DC

OBH874A

Model MSZ-GS30NA MSY-GS30NA MSZ-GS36NA MSY-GS36NA

Power supply V, phase, Hz

208/230 , 1 , 60

Disconnect switch A 15

Min. circuit ampacity A 1.0

Fan motor F.L.A 0.76

Airow

Super High - High

- Med. - Low

COOL Dry

(Wet) CFM 915 - 699 - 602 - 374

(823 - 629 - 542 - 336)

HEAT Dry 803 - 699 - 602 - 423

Moisture removal pt./h 7.8 9.3

Sound level

Super High - High

- Med. - Low

Cooling dB(A) 53 - 49 - 42 - 32

Heating

(MSZ)50 - 49 - 42 - 34 — 50 - 49 - 42 - 34 —

Cond. drain connection O.D. in. 5/8

Dimensions Win. 46-1/16

D 11-5/8

H 14-3/8

Weight Ib. 45

External nish Munsell 1.0Y 9.2/0.2

Remote controller Wireless type

Control voltage (by built-in transformer) 12-24 V DC

NOTE : Test conditions are based on AHRI 210/240.

Model MSZ-GS30NA2 MSY-GS30NA2 MSZ-GS36NA2 MSY-GS36NA2

Power supply V, phase, Hz

208/230 , 1 , 60

Disconnect switch A 15

Min. circuit ampacity A 1.0

Fan motor F.L.A 0.76

Airow

Super High - High

- Med. - Low

COOL Dry

(Wet) CFM 915 - 699 - 602 - 374

(823 - 629 - 542 - 336) 932-710-613-379

(839-639-552-341)

HEAT Dry 803 - 699 - 602 - 423 816-710-613-431

Moisture removal pt./h 7.8 9.3

Sound level

Super High - High

- Med. - Low

Cooling dB(A) 53 - 49 - 42 - 34

Heating

(MSZ)50 - 49 - 42 - 34 — 50 - 49 - 42 - 34 —

Cond. drain connection O.D. in. 5/8

Dimensions Win. 46-1/16

D 11-5/8

H 14-3/8

Weight Ib. 45

External nish Munsell 1.0Y 9.2/0.2

Remote controller Wireless type

Control voltage (by built-in transformer) 12-24 V DC

NOTE : Test conditions are based on AHRI 210/240.

OBH874A

3-1. OPERATING RANGE

(1) POWER SUPPLY

Rated voltage Guaranteed voltage (V)

Indoor unit 208/230 V

1 phase

60 Hz

Min. 187 208 230 Max. 253

(2) OPERATION

Mode Condition Intake air temperature (°F)

DB WB

Cooling

Standard temperature 80 67

Maximum temperature 90 73

Minimum temperature 67 57

Maximum humidity 78%

Heating Standard temperature 70 60

Maximum temperature 80 67

Minimum temperature 70 60

3-2. OUTLET AIR SPEED AND COVERAGE RANGE

Model Mode Function Airow

(CFM) Air speed

(ft./sec.) Coverage

range (ft.)

MSZ-GS06NA

MSZ-GS09NA

MSY-GS09NA

MSZ-GS12NA

MSY-GS12NA

HEAT

(MSZ)Dry 390 19.8 28.4

COOL Dry 381 19.3 27.7

Wet 343 17.4 25.0

MSZ-GS15NA

MSY-GS15NA

HEAT

(MSZ)Dry 437 22.2 31.7

COOL Dry 504 25.6 36.4

Wet 454 23.0 32.9

MSZ-GS18NA

MSY-GS18NA

HEAT

(MSZ)Dry 629 28.7 42.8

COOL Dry 629 28.7 42.8

Wet 566 25.8 38.7

MSZ-GS24NA

MSY-GS24NA

HEAT

(MSZ)Dry 701 17.1 35.1

COOL Dry 701 17.1 35.1

Wet 631 15.4 31.7

MSZ-GS30NA

MSZ-GS36NA

MSY-GS30NA

MSY-GS36NA

HEAT

(MSZ)Dry 803 15.1 35.3

COOL Dry 915 17.2 40.0

Wet 823 15.4 36.1

MSZ-GS30NA2

MSZ-GS36NA2

MSY-GS30NA2

MSY-GS36NA2

HEAT

(MSZ)Dry 816 15.3 35.8

COOL Dry 932 17.5 40.8

Wet 839 15.7 36.8

● The air coverage range is the figure up

to the position where the air speed is 1

ft./sec., when air is blown out horizon-

tally from the unit properly at the High

speed position.

The coverage range should be used

only as a general guideline since it var-

ies according to the size of the room

and furniture arranged inside the room.

OBH874A

OUTLINES AND DIMENSIONS4

Unit: inch

MSZ-GS18NA

MSY-GS18NA

MSZ-GS06NA MSZ-GS09NA MSZ-GS12NA MSZ-GS15NA

MSY-GS09NA MSY-GS12NA MSY-GS15NA

Piping

Insulation ø1 - 9/16 O.D

Liquid line ø1/4 19 - 11/16 (Flared connection ø1/4)

Gas line ø3/8 16 - 15/16

(Flared connection: ø3/8 (GS06/09/12NA), ø1/2 (GS15NA))

Drain hose Insulation ø1-1/8 O.D Connected part ø5/8 O.D

Piping

Insulation ø2 O.D

Liquid line ø5/16 15-3/8 (Flared connection ø1/4)

Gas line ø15/32 13-3/8 (Flared connection ø1/2)

Drain hose

Insulation ø1-5/32 Connected part ø5/8 O.D

2-1/4

2-1/2

9-13/16

3/16

35-13/16

36-5/16

1/4

27-15/16 6-5/16

2-1/16

2-9/16

2-13/16

2-1/2

2-9/16

3-11/16

2-1/16

9-7/16

10-5/16

1/8

8-7/8 8-7/8

3-11/16

8-3/4

10-3/8

2-5/16 15-7/8

8-11/16

3-11/16

7/8

1×7/16 Oblong hole

7/16×13/16

Oblong hole

Installation plate

Indoor unit

Wall hole Ø3

Air in

Installation plate

8-1/16

15-3/16

1-5/8

8-11/16

1-11/16

2-9/16

4-1/2

5-3/4

1/4

Air out

Piping

Drain hose

3-15/16

2-3/8 3/4

7-5/8

2-3/8 3/4

7-5/8

OBH874A

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