Mitsubishi Electric MSZ-FH25VE2-E1 Manuale utente

CONTENTS

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

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

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

4. NOISE CRITERIA CURVE ································ 6

5. OUTLINES AND DIMENSIONS ························ 7

6. WIRING DIAGRAM············································ 8

7. REFRIGERANT SYSTEM DIAGRAM············· 10

8. SERVICE FUNCTIONS ····································11

9. MICROPROCESSOR CONTROL ··················· 13

10. TROUBLESHOOTING····································· 21

11. DISASSEMBLY INSTRUCTIONS···················· 38

SERVICE MANUAL

PARTS CATALOG (OBB623)

NOTE:

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

Outdoor unit service manual

MUZ-FH·VEHZ Series (OBH625)

MUZ-FH·VE Series

MXZ-D·VA Series

No. OBH623

REVISED EDITION-D

Models

MSZ-FH25VE -E1 , ER1

MSZ-FH35VE -E1 , ER1

MSZ-FH50VE -E1 , ER1

MSZ-FH25VE2 -E1 , ER1

MSZ-FH35VE2 -E1 , ER1

MSZ-FH50VE2 -E1 , ER1

Outdoor unit service manual

MUZ-FH·VE Series (OBH624)

MUZ-FH·VEHZ Series (OBH625)

MXZ-D·VA Series (OBH626)

Please void OBH623 REVISED EDITION-C.

Revision D:

• MSZ-FH25VE2- E1 , ER1 , MSZ-

FH35VE2- E1 , ER1 and MSZ-

FH50VE2- E1 , ER1 have been added.

INDOOR UNIT

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-FH50VE- E1 has been added.

Revision B:

• MSZ-FH25VE- ER1 , MSZ-FH35VE- ER1 and MSZ-FH50VE- ER1 have been added.

Revision C:

• 5. OUTLINES AND DIMENSIONS has been modified.

(The length of the connect pipes has been modified.)

• "How to check miswiring and serial signal error" has been modified.

• Some descriptions have been modified.

Revision D:

• MSZ-FH25VE2- E1 , ER1 , MSZ-FH35VE2- E1 , ER1 and MSZ-FH50VE2- E1 , ER1 have been added.

OBH623D

TECHNICAL CHANGES

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

Connecting these models to the MUZ-FH·VE(HZ)-series outdoor units enables the low standby power control. Refer to the

technical guide (OBT17) about the low standby power control.

These models may be connected to the MUZ-FH·VE(HZ) series after once connected to the MXZ series and operated, for

example because of relocation. In that case, the MUZ-FH·VE(HZ) series outdoor units will not operate without taking a step.

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

MSZ-FH25VE - E1

MSZ-FH35VE - E1

MSZ-FH50VE - E1

1. New model

MSZ-FH25VE -ER1

MSZ-FH35VE -ER1

MSZ-FH50VE -ER1

1. New model

MSZ-FH25VE - E1 MSZ-FH25VE2 - E1

MSZ-FH35VE - E1 MSZ-FH35VE2 - E1

MSZ-FH50VE - E1 MSZ-FH50VE2 - E1

1. Air cleaning filter has been changed.

MSZ-FH25VE -ER1 MSZ-FH25VE2 -ER1

MSZ-FH35VE -ER1 MSZ-FH35VE2 -ER1

MSZ-FH50VE -ER1 MSZ-FH50VE2 -ER1

1. Air cleaning filter has been changed.

OBH623D

ACCESSORIES

PART NAMES AND FUNCTIONS

Operation indicator lamp

Remote control receiving

section

Emergency

operation

switch

Horizontal

vane

Air inlet

Air ¿lter

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Remote controller

MSZ-FH25VE MSZ-FH35VE MSZ-FH50VE

MSZ-FH25VE2 MSZ-FH35VE2 MSZ-FH50VE2

Model MSZ-FH25VE

MSZ-FH35VE

MSZ-FH50VE

Installation plate 1

Installation plate ﬁxing screw 4 × 25 mm 5

Remote controller holder 1

Fixing screw for 3.5 × 16 mm (Black) 2

Battery (AAA) for remote controller 2

Wireless remote controller 1

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

Air cleaning ﬁlter

(Electrostatic anti-allergy enzyme ﬁlter) 1

Air cleaning ﬁlter (Deodorizing ﬁlter) 1

Air purifying device 1

Model MSZ-FH25VE2

MSZ-FH35VE2

MSZ-FH50VE2

Installation plate 1

Installation plate ﬁxing screw 4 × 25 mm 5

Remote controller holder 1

Fixing screw for 3.5 × 16 mm (Black) 2

Battery (AAA) for remote controller 2

Wireless remote controller 1

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

Air cleaning ﬁlter

(Silver-ionized air puriﬁer ﬁlter) 1

Air cleaning ﬁlter (Deodorizing ﬁlter) 1

Air purifying device 1

OBH623D

Indoor model

MSZ-FH25VE

MSZ-FH25VE2

MSZ-FH35VE

MSZ-FH35VE2

MSZ-FH50VE

MSZ-FH50VE2

Power supply Single phase 230 V, 50 Hz

Electrical

data

Power input 1 Cooling W29 31

Heating 29 31

Running current

1Cooling A0.28 0.29

Heating 0.28 0.29

Fan

motor

Model RC0J30-MD

Current 1Cooling A0.28 0.29

Heating 0.28 0.29

Dimensions W × H × D mm 925 × 305(+17) × 234

Weight kg 13.5

Special remarks

Air direction 5

Airﬂow

Cooling

Super High

m3/h

696 744

High 516 606

Med. 378 516

Low 282 444

Silent 234 384

Heating

Super High

m3/h

792 876

High 552 672

Med. 384 540

Low 282 432

Silent 240 342

Sound level

Cooling

Super High

dB(A)

42 44

High 36 39

Med. 29 35

Low 23 24 31

Silent 20 21 27

Heating

Super High

dB(A)

44 46

High 36 39

Med. 29 34

Low 24 29

Silent 20 21 25

Fan speed

Cooling

Super High

rpm

1,220 1,280

High 970 1,090

Med. 770 970

Low 630 870

Silent 550 780

Heating

Super High

rpm

1,350 1,460

High 1,020 1,180

Med. 780 1,000

Low 630 850

Silent 560 720

Fan speed regulator 5

Remote controller model SG13A SG15C SG13A SG15C SG13A SG15C

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 rating conditions of main electric parts

Fuse (F11) T3.15AL250V

Horizontal vane motor (MV1) 12 VDC

Vertical vane motor (MV2) 12 VDC

i-see SENSOR MOTOR (MT) 12 VDC

Varistor (NR11) S10K300E2K1

Terminal block (TB) 3P

OBH623D

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 CURVE

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

MSZ-FH25VE MSZ-FH35VE

MSZ-FH25VE2 MSZ-FH35VE2 MSZ-FH50VE

MSZ-FH50VE2

OBH623D

Unit: mm

MSZ-FH25VE MSZ-FH35VE

MSZ-FH25VE2 MSZ-FH35VE2

Piping

Insulation ø37 O.D

Liquid line ø6.35 - 0.50 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

OUTLINES AND DIMENSIONS

MSZ-FH50VE

MSZ-FH50VE2

Piping

Insulation ø37 O.D

Liquid line ø6.35 - 0.50 m (Flared connection ø6.35)

Gas line ø9.52 - 0.43 m (Flared connection ø12.7)

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

MSZ-FH25VE MSZ-FH35VE MSZ-FH50VE

MSZ-FH25VE2 MSZ-FH35VE2 MSZ-FH50VE2

OBH623D

MSZ-FH25VE - E1 MSZ-FH35VE - E1 MSZ-FH50VE - E1

WIRING DIAGRAM

MSZ-FH25VE - ER1 MSZ-FH35VE - ER1 MSZ-FH50VE - ER1

OBH623D

MSZ-FH25VE2 - E1 MSZ-FH35VE2 - E1 MSZ-FH50VE2 - E1

MSZ-FH25VE2 - ER1 MSZ-FH35VE2 - ER1 MSZ-FH50VE2 - ER1

OBH623D

Indoor

heat

exchanger

Flared connection

Room temperature

thermistor

RT11

Flared connection

Refrigerant pipe ø9.52

(with heat insulator)

Refrigerant pipe ø6.35

(with heat insulator)

Indoor coil

thermistor

RT12 (main)

Indoor coil

thermistor

RT13 (sub)

Refrigerant flow in cooling

Refrigerant flow in heating

Unit: mm

REFRIGERANT SYSTEM DIAGRAM

Indoor

heat

exchanger

Flared connection

Room temperature

thermistor

RT11

Flared connection

Refrigerant pipe ø12.7

(with heat insulator)

Refrigerant pipe ø6.35

(with heat insulator)

Indoor coil

thermistor

RT12 (main)

Indoor coil

thermistor

RT13 (sub)

Refrigerant flow in cooling

Refrigerant flow in heating

MSZ-FH25VE MSZ-FH35VE

MSZ-FH25VE2 MSZ-FH35VE2

MSZ-FH50VE

MSZ-FH50VE2

OBH623D

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