Mitsubishi Electric MUZ-HJ VA Series Manuale utente

CONTENTS

1. TECHNICAL CHANGES ······························3

2. PART NAMES AND FUNCTIONS··················4

3. SPECIFICATION ········································5

4. NOISE CRITERIA CURVES··························7

5. OUTLINES AND DIMENSIONS·····················9

6. WIRING DIAGRAM···································10

7. REFRIGERANT SYSTEM DIAGRAM··········· 11

8. SERVICE FUNCTIONS······························13

9. MICROPROCESSOR CONTROL ················15

10. TROUBLESHOOTING·······························19

11. DISASSEMBLY INSTRUCTIONS·················32

MSZ-HJ25VA -E1 , ER1

MSZ-HJ35VA -E1 , ER1

MSZ-HJ50VA -E1 , ER1

MSZ-HJ60VA -E1 , ER1

MSZ-HJ71VA -E1 , ER1

Outdoor unit service manual

MUZ-HJ·VA Series (OBH648)

MXZ-HJ•VA Series

SERVICE MANUAL No. OBH647

REVISED EDITION-C

INDOOR UNIT

PARTS CATALOG (OBB647)

NOTE:

RoHS compliant products have <G> mark on the spec name plate.

SPLIT-TYPE AIR CONDITIONERS

Models

Revision C:

• MSZ-HJ60VA- E1 , ER1 and

MSZ-HJ71VA- E1 , ER1 have been added.

Please void OBH647 REVISED EDITION-B.

MSZ-HJ25VA

MSZ-HJ35VA

MSZ-HJ50VA

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 remove 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.

Use the speciﬁed 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.

Revision A:

• MSZ-HJ50VA- E1 has been added.

Revision B:

• MSZ-HJ25VA- ER1 , MSZ-HJ35VA- ER1 and MSZ-HJ50VA- ER1 have been added.

Revision C:

• MSZ-HJ60VA- E1 , ER1 and MSZ-HJ71VA- E1 , ER1 have been added.

OBH647C

1TECHNICAL CHANGES

MSZ-HJ25VA - E1 , ER1

MSZ-HJ35VA - E1 , ER1

MSZ-HJ50VA - E1 , ER1

1. New model

MSZ-HJ60VA - E1 , ER1

MSZ-HJ71VA - E1 , ER1

1. New model

OBH647C

Operation indicator lamp

Remote control

receiving section

Emergency

operation switch

Horizontal vane

Air inlet

Air ¿lter

Front panel

Air outlet Heat exchanger

Emergency operation switch

Remote controller

Operation indicator lamp

Remote control

receiving section

Emergency

operation switch

Horizontal vane

Air inlet

Air ¿lter

Front panel

Air outlet Heat exchanger

Emergency operation switch

Remote controller

ACCESSORIES

MSZ-HJ25VA MSZ-HJ35VA MSZ-HJ50VA

MSZ-HJ60VA MSZ-HJ71VA

Installation plate 1

Installation plate ﬁxing screw 4 ×25 mm 5

Battery (AAA) for remote controller 2

Wireless remote controller 1

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

2PART NAMES AND FUNCTIONS

OBH647C

3SPECIFICATION

Indoor model MSZ-HJ25VA MSZ-HJ35VA MSZ-HJ50VA

Power supply Single phase 230 V, 50 Hz

Breaker Capacity A 10 12

Electrical data

Power input 1 (Total) Cooling W730 1,040 2,050

Heating 870 995 1,480

Running current 1

(Total)

Cooling A3.7 4.9 9.0

Heating 4.2 4.8 6.6

Power factor 1 (Total) Cooling %85 92 99

Heating 90 97

Starting current 1 (Total) A 4.2 4.9 9.0

Fan motor

Model RC0J40-EF

Current 1 Cooling A0.19 0.24 0.27

Heating 0.20 0.22 0.34

Dimensions W × H × D mm 799 × 290 × 232

Weight kg 9

Special remarks

Air direction 5

Airﬂow

Cooling

Super High

m3/h

571 654 772

High 438 470 667

Med. 328 341 547

Low 227 380

Heating

Super High

m3/h

598 619 861

High 451 667

Med. 328 497

Low 208 364

Sound level

Cooling

Super High

dB(A)

43 45

High 37 38 40

Med. 30 31 36

Low 22 28

Heating

Super High

dB(A)

43 44 47

High 37 41

Med. 30 34

Low 23 27

Fan speed

Cooling

Super High

rpm

1,080 1,200 1,120

High 880 930 1,000

Med. 710 730 860

Low 550 660

Heating

Super High

rpm

1,120 1,150 1,220

High 900 1,000

Med. 710 800

Low 520 640

Fan speed regulator 4

Remote controller model MP13A

NOTE : Test conditions are based on ISO 5151.

Cooling : Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C

Outdoor Dry-bulb temperature 35°C

Heating : Indoor Dry-bulb temperature 20°C

Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C

1 Measured under rated operating frequency.

Specifications and rated conditions of main electric parts

Fuse (F11) T3.15AL250V

Horizontal vane motor (MV) 12 VDC

Varistor

(NR11)

S10K300E2K1 (ERZV10D471)

Terminal block (TB) 5P

OBH647C

Indoor model MSZ-HJ60VA MSZ-HJ71VA

Power supply Single phase 230 V, 50 Hz

Breaker Capacity A 16

Electrical data

Power input 1 (Total) Cooling W1,900 2,330

Heating 1,970 2,440

Running current 1

(Total)

Cooling A8.4 10.3

Heating 8.7 10.8

Power factor 1 (Total) Cooling %98

Heating 98

Starting current 1 (Total) A 8.7 10.8

Fan motor

Model RC0J30-MD

Current 1 Cooling A0.49

Heating 0.49

Dimensions W × H × D mm 923 × 305 × 250

Weight kg 13

Special remarks

Air direction 5

Airﬂow

Cooling

Super High

m3/h

1,192

High 900

Med. 729

Low 555 598

Heating

Super High

m3/h

1,192

High 957 981

Med. 752 763

Low 565 619

Sound level

Cooling

Super High

dB(A)

High 44

Med. 38

Low 31 33

Heating

Super High

dB(A)

High 44

Med. 38

Low 31 33

Fan speed

Cooling

Super High

rpm

1,250

High 1,000

Med. 850

Low 690 730

Heating

Super High

rpm

1,250

High 1,050 1,070

Med. 870 880

Low 700 750

Fan speed regulator 4

Remote controller model MP14B

NOTE : Test conditions are based on ISO 5151.

Cooling : Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C

Outdoor Dry-bulb temperature 35°C

Heating : Indoor Dry-bulb temperature 20°C

Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C

1 Measured under rated operating frequency.

Specifications and rated conditions of main electric parts

Fuse (F11) T3.15AL250V

Horizontal vane motor (MV) 12 VDC

Varistor

(NR11)

S10K300E2K1 (ERZV10D471)

Terminal block (TB) 5P

OBH647C

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

COOLING

FUNCTION SPL(dB(A)) LINE

Super High

FAN SPEED

HEATING

NC-10

MSZ-HJ25VA

INDOOR UNIT WALL

MICROPHONE

0.8m

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

COOLING

FUNCTION SPL(dB(A)) LINE

Super High

FAN SPEED

HEATING

Test conditions

Cooling : Dry-bulb temperature 27°C Wet-bulb temperature 19°C

Heating : Dry-bulb temperature 20°C

NC-10

MSZ-HJ35VA

4NOISE CRITERIA CURVES

MSZ-HJ50VA

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

COOLING

FUNCTION SPL(dB(A)) LINE

Super High

FAN SPEED

HEATING

NC-10

OBH647C

MSZ-HJ60VA MSZ-HJ71VA

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

COOLING

FUNCTION SPL(dB(A)) LINE

Super High

FAN SPEED

HEATING

NC-10

10 63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

COOLING

FUNCTION SPL(dB(A)) LINE

Super High

FAN SPEED

HEATING

NC-10

INDOOR UNIT WALL

MICROPHONE

0.8m

Test conditions

Cooling : Dry-bulb temperature 27°C Wet-bulb temperature 19°C

Heating : Dry-bulb temperature 20°C

OBH647C

MSZ-HJ25VA MSZ-HJ35VA MSZ-HJ50VA Unit : mm

5OUTLINES AND DIMENSIONS

2325

799

785 7

290

12063049

103

130

100

(57°)

225 225 80.5

80.5

61.5

59.5340338

249

248 21.5

167 157

207.5

206.5

172

140

57 18

Air in

Installation plate

Piping

Drain hose

Air out

11×26 Oblong hole 11×20 Oblong hole

Installation plate

Indoor unit

Wall hole Ø65

Piping

Insulation Ø35 O.D

Liquid line Ø6.35 - 0.39m (Flared connection Ø6.35)

Gas line Ø9.52 - 0.34m (Flared connection Ø9.52)

Drain hose

Insulation Connected part Ø16 O.D active length 370

MSZ-HJ25/35VA

MSZ-HJ50VA

Piping

Insulation Ø37 O.D

Liquid line Ø6.35 - 0.39m (Flared connection Ø6.35)

Gas line Ø9.52 - 0.34m (Flared connection Ø12.7)

Drain hose

InsulationØ28 Connected part Ø16 O.D active length 370

Piping

Insulation Ø50 O.D

Liquid line Ø8 - 0.39m (Flared connection Ø6.35)

Gas line Ø12 - 0.34m (Flared connection Ø15.88)

Drain hose

Insulation Connected part Ø16 O.D

MSZ-HJ60VA

MSZ-HJ71VA

Piping

Insulation Ø50 O.D

Liquid line Ø8 - 0.39m (Flared connection Ø9.52)

Gas line Ø12 - 0.34m (Flared connection Ø15.88)

Drain hose

Insulation Connected part Ø16 O.D

MSZ-HJ60VA MSZ-HJ71VA

OBH647C

MSZ-HJ25VA - E1 ,ER1 MSZ-HJ35VA - E1 ,ER1 MSZ-HJ50VA - E1 ,ER1

MSZ-HJ60VA - E1 , ER1 MSZ-HJ71VA - E1 , ER1

6WIRING DIAGRAM

OBH647C

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