Mitsubishi Electric MUZ-EF VG Series Manual de usuario

INDOOR UNIT No. OBH831

REVISED EDITION-A

Models

MSZ-EF18VGW/B/S -E1 ,E2 MSZ-EF18VGKW/B/S -E1

MSZ-EF22VGW/B/S -E1 ,ET1 ,E2 ,ET2 MSZ-EF22VGKW/B/S -E1 ,ET1

MSZ-EF25VGW/B/S -E1 ,ET1 ,E2 ,ET2 MSZ-EF25VGKW/B/S -E1 ,ET1

MSZ-EF35VGW/B/S -E1 ,ET1 ,E2 ,ET2 MSZ-EF35VGKW/B/S -E1 ,ET1

MSZ-EF42VGW/B/S -E1 ,ET1 ,E2 ,ET2 MSZ-EF42VGKW/B/S -E1 ,ET1

MSZ-EF50VGW/B/S -E1 ,ET1 ,E2 ,ET2 MSZ-EF50VGKW/B/S -E1 ,ET1

MSZ-EF∙VGW/VGKW

MSZ-EF∙VGB/VGKB

MSZ-EF∙VGS/VGKS PARTS CATALOG (OBB831)

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∙∙∙∙∙∙∙∙∙∙∙∙∙ 15

8. SERVICE FUNCTIONS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 16

9. MICROPROCESSOR CONTROL ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 19

10. TROUBLESHOOTING∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 27

11. DISASSEMBLY INSTRUCTIONS∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 44

SERVICE MANUAL

Outdoor unit service manual

MUZ-EF∙VG/H Series (OBH832)

MXZ-F∙VF Series(OBH790)

OBH831 is void.

Revision A:

• MSZ-EF18/22/25/35/42/50VGW/B/S - E2 ,

MSZ-EF22/25/35/42/50VGW/B/S - ET2 ,

MSZ-EF18/22/25/35/42/50VGKW/B/S - E1 and

MSZ-EF22/25/35/42/50VGKW/B/S - ET1

have been added.

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 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.

Revision A:

• MSZ-EF18/22/25/35/42/50VGW/B/S - E2 , MSZ-EF22/25/35/42/50VGW/B/S - ET2 ,

MSZ-EF18/22/25/35/42/50VGKW/B/S - E1 and MSZ-EF22/25/35/42/50VGKW/B/S - ET1 have been added.

OBH831A

TECHNICAL CHANGES

The following models are compatible with the outdoor units with low standby power control.

Connecting the following models to the MUZ-EF∙VG/H series outdoor units enables the low standby power control.

The following models may be connected to the MUZ-EF∙VG/H series after once connected to the MXZ series and operated,

for example because of relocation. In that case, the MUZ-EF∙VG/H series outdoor units will not operate without taking a step.

Follow the procedure "Deleting the memorized abnormal condition" described in 10-2.1.

MSZ-EF18VGW/B/S - E1 MSZ-EF18VGW/B/S - E2

MSZ-EF22VGW/B/S - E1 ,- ET1 MSZ-EF22VGW/B/S - E2 ,- ET2

MSZ-EF25VGW/B/S - E1 ,- ET1 MSZ-EF25VGW/B/S - E2 ,- ET2

MSZ-EF35VGW/B/S - E1 ,- ET1 MSZ-EF35VGW/B/S - E2 ,- ET2

MSZ-EF42VGW/B/S - E1 ,- ET1 MSZ-EF42VGW/B/S - E2 ,- ET2

MSZ-EF50VGW/B/S - E1 ,- ET1 MSZ-EF50VGW/B/S - E2 ,- ET2

1. Indoor electronic control P.C. board has been changed.

MSZ-EF18VGW/B/S - E1

MSZ-EF22VGW/B/S - E1 ,- ET1

MSZ-EF25VGW/B/S - E1 ,- ET1

MSZ-EF35VGW/B/S - E1 ,- ET1

MSZ-EF42VGW/B/S - E1 ,- ET1

MSZ-EF50VGW/B/S - E1 ,- ET1

MSZ-EF18VGKW/B/S - E1

MSZ-EF22VGKW/B/S - E1 ,- ET1

MSZ-EF25VGKW/B/S - E1 ,- ET1

MSZ-EF35VGKW/B/S - E1 ,- ET1

MSZ-EF42VGKW/B/S - E1 ,- ET1

MSZ-EF50VGKW/B/S - E1 ,- ET1

1. New model

OBH831A

PART NAMES AND FUNCTIONS

ACCESSORIES

MSZ-EF18VGW MSZ-EF22VGW MSZ-EF25VGW MSZ-EF35VGW MSZ-EF42VGW MSZ-EF50VGW

MSZ-EF18VGB MSZ-EF22VGB MSZ-EF25VGB MSZ-EF35VGB MSZ-EF42VGB MSZ-EF50VGB

MSZ-EF18VGS MSZ-EF22VGS MSZ-EF25VGS MSZ-EF35VGS MSZ-EF42VGS MSZ-EF50VGS

Operation

indicator lamp

Remote control

receiving section

Emergency

operation switch

Horizontal vane

Air inlet

Air ﬁlter

(Air purifying filter)

Air cleaning ﬁlter

(Silver-ionized air purifier

filter)

Heat exchanger

Front panel

Air outlet

Wi-Fi interface

(Only for MSZ-EF·VGKW/B/S)

MSZ-EF18VGKW MSZ-EF22VGKW MSZ-EF25VGKW MSZ-EF35VGKW MSZ-EF42VGKW MSZ-EF50VGKW

MSZ-EF18VGKB MSZ-EF22VGKB MSZ-EF25VGKB MSZ-EF35VGKB MSZ-EF42VGKB MSZ-EF50VGKB

MSZ-EF18VGKS MSZ-EF22VGKS MSZ-EF25VGKS MSZ-EF35VGKS MSZ-EF42VGKS MSZ-EF50VGKS

Remote controller

Model

MSZ-EF18VGW MSZ-EF18VGB MSZ-EF18VGS

MSZ-EF22VGW MSZ-EF22VGB MSZ-EF22VGS

MSZ-EF25VGW MSZ-EF25VGB MSZ-EF25VGS

MSZ-EF35VGW MSZ-EF35VGB MSZ-EF35VGS

MSZ-EF42VGW MSZ-EF42VGB MSZ-EF42VGS

MSZ-EF50VGW MSZ-EF50VGB MSZ-EF50VGS

MSZ-EF18VGKW MSZ-EF18VGKB MSZ-EF18VGKS

MSZ-EF22VGKW MSZ-EF22VGKB MSZ-EF22VGKS

MSZ-EF25VGKW MSZ-EF25VGKB MSZ-EF25VGKS

MSZ-EF35VGKW MSZ-EF35VGKB MSZ-EF35VGKS

MSZ-EF42VGKW MSZ-EF42VGKB MSZ-EF42VGKS

MSZ-EF50VGKW MSZ-EF50VGKB MSZ-EF50VGKS

Installation plate 1

Installation plate xing screw 4 × 25 mm 5

Battery (AAA) for remote controller 2

Wireless remote controller 1

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

Soft dry cloth (VGB type only) 1

Air cleaning lter 2

OBH831A

Indoor model

MSZ-EF18VGW

MSZ-EF18VGB

MSZ-EF18VGS

MSZ-EF18VGKW

MSZ-EF18VGKB

MSZ-EF18VGKS

MSZ-EF22VGW

MSZ-EF22VGB

MSZ-EF22VGS

MSZ-EF22VGKW

MSZ-EF22VGKB

MSZ-EF22VGKS

MSZ-EF25VGW

MSZ-EF25VGB

MSZ-EF25VGS

MSZ-EF25VGKW

MSZ-EF25VGKB

MSZ-EF25VGKS

MSZ-EF35VGW

MSZ-EF35VGB

MSZ-EF35VGS

MSZ-EF35VGKW

MSZ-EF35VGKB

MSZ-EF35VGKS

Power supply Single phase 230 V, 50 Hz

Electrical

data

Power input

1Cooling W20

Heating 26 30

Running

current 1Cooling A0.20

Heating 0.26 0.29

Fan

motor

Model RC0J40

Current 1Cooling A0.20

Heating 0.26 0.29

Dimensions W × H × D mm 885 × 299 × 195

Weight kg 11.5

Special remarks

Air direction 5

Airow

Cooling

Super High

m3/h

630

High 498

Med. 378

Low 276

Silent 240

Heating

Super High

m3/h

714 762

High 534

Med. 372

Low 276

Silent 240

Sound level

Cooling

Super High

dB(A)

High 36

Med. 29 30

Low 23 24

Silent 19 21

Heating

Super High

dB(A)

45 46

High 37 38

Med. 29 30

Low 24

Silent 21

Fan speed

Cooling

Super High

rpm

1,200

High 990

Med. 800

Low 630

Silent 570

Heating

Super High

rpm

1,330 1,400

High 1,050

Med. 790

Low 630

Silent 570

Fan speed regulator 5

Remote controller model W: SG19A

B,S: SG19B

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.

SPECIFICATION

Specifications and rated conditions of main electric parts

Fuse (F11) T3.15AL250V

Horizontal vane motor (MV) 12 V DC

Varistor (NR11) 470 V

Terminal block (TB) 3P

OBH831A

Specifications and rated conditions of main electric parts

Fuse (F11) T3.15AL250V

Horizontal vane motor (MV) 12 V DC

Varistor (NR11) 470 V

Terminal block (TB) 3P

Indoor model

MSZ-EF42VGW

MSZ-EF42VGB

MSZ-EF42VGS

MSZ-EF42VGKW

MSZ-EF42VGKB

MSZ-EF42VGKS

MSZ-EF50VGW

MSZ-EF50VGB

MSZ-EF50VGS

MSZ-EF50VGKW

MSZ-EF50VGKB

MSZ-EF50VGKS

Power supply Single phase 230 V, 50 Hz

Electrical

data

Power input

1Cooling W23 23

Heating 33 43

Running

current 1Cooling A0.23 0.23

Heating 0.31 0.39

Fan

motor

Model RC0J40

Current 1Cooling A0.23 0.23

Heating 0.31 0.39

Dimensions W × H × D mm 885 × 299 × 195

Weight kg 11.5

Special remarks

Air direction 5

Airow

Cooling

Super High

m3/h

672 678

High 534 552

Med. 462 474

Low 396 408

Silent 348

Heating

Super High

m3/h

792 876

High 594 666

Med. 468 540

Low 378 432

Silent 330 384

Sound level

Cooling

Super High

dB(A)

43 43

High 39 40

Med. 35 36

Low 31 33

Silent 28 30

Heating

Super High

dB(A)

48 49

High 41 43

Med. 35 37

Low 30 33

Silent 28 30

Fan speed

Cooling

Super High

rpm

1,260 1,270

High 1,050 1,080

Med. 930 950

Low 830 850

Silent 750

Heating

Super High

rpm

1,440 1,570

High 1,140 1,250

Med. 940 1,060

Low 800 890

Silent 720 810

Fan speed regulator 5

Remote controller model W: SG19A

B,S: SG19B

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.

OBH831A

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

NOISE CRITERIA CURVES

MSZ-EF18VGW MSZ-EF22VGW MSZ-EF25VGW MSZ-EF18VGKW MSZ-EF22VGKW MSZ-EF25VGKW

MSZ-EF18VGB MSZ-EF22VGB MSZ-EF25VGB MSZ-EF18VGKB MSZ-EF22VGKB MSZ-EF25VGKB

MSZ-EF18VGS MSZ-EF22VGS MSZ-EF25VGS MSZ-EF18VGKS MSZ-EF22VGKS MSZ-EF25VGKS

MSZ-EF35VGW MSZ-EF35VGKW

MSZ-EF35VGB MSZ-EF35VGKB

MSZ-EF35VGS MSZ-EF35VGKS

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

OBH831A

Test conditions

Cooling: Dry-bulb temperature 27 °C

Wet-bulb temperature 19 °C

Heating: Dry-bulb temperature 20 °C

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

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

MSZ-EF42VGW MSZ-EF42VGKW

MSZ-EF42VGB MSZ-EF42VGKB

MSZ-EF42VGS MSZ-EF42VGKS

MSZ-EF50VGW MSZ-EF50VGKW

MSZ-EF50VGB MSZ-EF50VGKB

MSZ-EF50VGS MSZ-EF50VGKS

OBH831A

OUTLINES AND DIMENSIONS

MSZ-EF18VGW MSZ-EF22VGW MSZ-EF25VGW MSZ-EF35VGW MSZ-EF42VGW MSZ-EF50VGW

MSZ-EF18VGB MSZ-EF22VGB MSZ-EF25VGB MSZ-EF35VGB MSZ-EF42VGB MSZ-EF50VGB

MSZ-EF18VGS MSZ-EF22VGS MSZ-EF25VGS MSZ-EF35VGS MSZ-EF42VGS MSZ-EF50VGS

Unit: mm

MSZ-EF18VGKW MSZ-EF22VGKW MSZ-EF25VGKW MSZ-EF35VGKW MSZ-EF42VGKW MSZ-EF50VGKW

MSZ-EF18VGKB MSZ-EF22VGKB MSZ-EF25VGKB MSZ-EF35VGKB MSZ-EF42VGKB MSZ-EF50VGKB

MSZ-EF18VGKS MSZ-EF22VGKS MSZ-EF25VGKS MSZ-EF35VGKS MSZ-EF42VGKS MSZ-EF50VGKS

Piping

Insulation ø37 O.D

Liquid line ø6.35 - 0.5 m (Flared connection ø6.35)

Gas line ø9.52 - 0.43 m (Flared connection: ø9.52)

Drain hose Insulation ø28 O.D Connected part ø16 O.D

OBH831A

WIRING DIAGRAM

MSZ-EF18VGW- E1 MSZ-EF22VGW-

E1 , ET1 MSZ-EF25VGW-

E1 , ET1

MSZ-EF35VGW- E1 , ET1 MSZ-EF42VGW-

E1 , ET1 MSZ-EF50VGW-

E1 , ET1

MSZ-EF18VGB- E1 MSZ-EF22VGB-

E1 , ET1 MSZ-EF25VGB-

E1 , ET1

MSZ-EF35VGB- E1 , ET1 MSZ-EF42VGB-

E1 , ET1 MSZ-EF50VGB-

E1 , ET1

MSZ-EF18VGS- E1 MSZ-EF22VGS-

E1 , ET1 MSZ-EF25VGS-

E1 , ET1

MSZ-EF35VGS- E1 , ET1 MSZ-EF42VGS-

E1 , ET1 MSZ-EF50VGS-

E1 , ET1

OBH831A

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