Mitsubishi Electric MXZ-2C30VA Manuale utente

SERVICE MANUAL

CONTENTS

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

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

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

4. NOISE CRITERIA CURVES···························· 15

5. OUTLINES AND DIMENSIONS ······················ 18

6. WIRING DIAGRAM·········································· 24

7. REFRIGERANT SYSTEM DIAGRAM············· 38

8. PERFORMANCE CURVES····························· 48

9. ACTUATOR CONTROL··································· 79

10. SERVICE FUNCTIONS···································· 80

11. TROUBLESHOOTING····································· 84

12. DISASSEMBLY INSTRUCTIONS···················118

INDOOR UNITS COMBINATION SHEETS

Models

No. OBH584

REVISED EDITION-G

HFC

utilized

R410A

SPLIT-TYPE AIR CONDITIONERS

MXZ-4C80VA

MXZ-5C100VA

OUTDOOR UNIT

Indoor unit service manual

MSZ-FD•VA Series (OBH488)

MSZ-FH•VE Series (OBH623)

MSZ-GE•VA Series (OBH515)

MSZ-EF•VE Series (OBH589)

MSZ-SF•VA Series (OBH555)

MSZ-SF•VE Series (OBH600)

MFZ-KA•VA Series (OB409)

MFZ-KJ•VA Series (OBH666)

MLZ-KA•VA Series (OBH483)

SLZ-KA•VA Series (OC320)

SEZ-KD•VA(L) Series (HWE07110)

PLA-RP•BA Series (OCH412)

PCA-RP•KA Series (OCH454)

PEAD-RP•JA Series (HWE08130)

NOTE:

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

PARTS CATALOG (OBB584)

MXZ-2C30VA -E1

MXZ-2C40VA -E1

MXZ-2C52VA -E1

MXZ-3C54VA -E1

MXZ-3C68VA -E1

MXZ-4C71VA -E1

MXZ-4C80VA -E1

MXZ-4C80VA2 -E1

MXZ-5C100VA -E1

MXZ-5C100VA2 -E1

Please void OBH584 REVISED EDITION-F.

Revision G:

• MXZ-6C122VA- E2 , - ER2 have been

added.

MXZ-6C120VA -E1 , -E2

MXZ-6C122VA -E1 , -E2 , -ER1 , -ER2

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.

Revision A:

• MXZ-2C30VA- E1 , MXZ-2C40VA- E1 , and MXZ-2C52VA- E1 have been added.

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 B:

• MXZ-6C120VA- E2 has been added.

• FAILURE MODE RECALL FUNCTION has been corrected.

Revision C:

• MXZ-4C80VA2- E1 and MXZ-5C100VA2- E1 have been added.

Revision D:

• MXZ-6C122VA- E1 has been added.

Revision E:

• INDOOR UNITS COMBINATION SHEETS for MXZ-6C122VA- E1 have been added.

Revision F:

• MXZ-6C122VA- ER1 has been added.

Revision G:

• MXZ-6C122VA- E2 , - ER2 have been added.

OBH584G

TECHNICAL CHANGES

MXZ-3B54VA - E1 MXZ-3C54VA - E1

MXZ-3B68VA - E1 MXZ-3C68VA - E1

MXZ-4B71VA - E1 MXZ-4C71VA - E1

MXZ-4B80VA - E1 MXZ-4C80VA - E1

MXZ-5A100VA - E1 MXZ-5C100VA - E1

1. Indoor units combinations have been added (MSZ-EF Series).

2. Outdoor fan motor has been changed.

MXZ-6C120VA - E1

1. New model

MXZ-2B30VA - E1 MXZ-2C30VA - E1

1. Indoor units combinations have been added (MSZ-EF Series).

2. Muffler has been added.

MXZ-2B40VA - E1 MXZ-2C40VA - E1

1. Indoor units combinations have been added (MSZ-EF Series).

2. Muffler has been added.

MXZ-2B52VA - E1 MXZ-2C52VA - E1

1. Indoor units combinations have been added (MSZ-EF Series).

2. Muffler has been added.

MXZ-6C120VA - E1 MXZ-6C120VA - E2

1. Accumulator has been added.

2. Power receiver has been removed.

3. Model name of compressor has been changed.

4. Control P.C. board has been changed.

MXZ-4C80VA - E1 MXZ-4C80VA2 - E1

1. Front panel has been changed.

2. Grille has been changed.

3. Grille roof has been added.

4. Service panel has been changed.

5. Base has been changed.

6. Rear guard has been changed.

7. Drain socket has been changed.

8. Unit size has been changed. (W x H x D: 900 x 900 x 320 900 x 915 x 320)

9. Weight of the unit has been changed. (67 kg 69 kg)

MXZ-5C100VA - E1 MXZ-5C100VA2 - E1

1. Front panel has been changed.

2. Grille has been changed.

3. Grille roof has been added.

4. Service panel has been changed.

5. Base has been changed.

6. Rear guard has been changed.

7. Drain socket has been changed.

8. Unit size has been changed. (W x H x D: 900 x 900 x 320 900 x 915 x 320)

9. Weight of the unit has been changed. (68 kg 70 kg)

MXZ-6C120VA - E2 MXZ-6C122VA - E1

1. Outdoor control P.C. board has been changed.

MXZ-6C122VA - ER1

1. New model

MXZ-6C122VA - E1 MXZ-6C122VA - E2

1. Indoor units combinations have been added (MFZ-KJ series).

MXZ-6C122VA - ER1 MXZ-6C122VA - ER2

1. Indoor units combinations have been added (MFZ-KJ series).

OBH584G

PART NAMES AND FUNCTIONS

ACCESSORIES

Drain socket

Drain cap (MXZ-3C/4C/5C)

MXZ-4C80VA

MXZ-5C100VA

Air outlet

Drain outlet

Air inlet

(Back and side)

Air outlet

Drain outlet

Air inlet

(Back and side)

MXZ-3C54VA

MXZ-3C68VA

MXZ-4C71VA

MXZ-6C120VA

MXZ-6C122VA

Air outlet

Drain outlet

Air inlet

(Back and side)

MXZ-2C30VA

MXZ-2C40VA

MXZ-2C52VA

Air inlet

Air outlet

Drain outlet

Piping

Drain hose

(Back and side)

MXZ-4C80VA2

MXZ-5C100VA2

Air outlet

Drain outlet

Air inlet

(Back and side)

OBH584G

SPECIFICATION

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20 °C)

Dimensions W x H x D

Weight

Sound level (High)

Fan speed (High)

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P) 2

Outdoor unit power supply

MXZ-2C30VA

Single phase

230 V, 50 Hz

1 to 2

Max. 20

Max. 15

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

3.94

0.35

KNB073FGDHC

750

U-V 1.70

V-W 1.70 W-U 1.70

RC0J50-CF

BLK-WHT 14.2

WHT-RED 14.2 RED-BLK 14.2

800 x 550 x 285

1.15

0.32 (NEO22)

Cooling

3.0 (1.1 - 4.0)

—

1,974

2.71

560

2.36

5.36

860

Heating

4.0 (1.0 - 4.4)

—

1,878

3.94

815

3.59

4.91

820

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

OBH584G

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20 °C)

Dimensions W x H x D

Weight

Sound level

Fan speed

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P) 1 2

Outdoor unit power supply

MXZ-2C40VA

Single phase

230 V, 50 Hz

1 to 2

Max. 30

Max. 20

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

4.00

0.35

KNB092FFDHC

1,100

U-V 1.70

V-W 1.70 W-U 1.70

RC0J50-CF

BLK-WHT 14.2

WHT-RED 14.2 RED-BLK 14.2

800 x 550 x 285

1.3

0.32 (NEO22)

Cooling

4.0 (1.1 - 4.5)

—

1,752

4.00

875

3.65

4.57

840

Heating

4.5 (1.0 - 5.0)

—

1,596

3.98

870

3.60

5.17

770

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

OBH584G

MXZ-2C52VA

Single phase

230 V, 50 Hz

1 to 2

Max. 30

Max. 20

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

7.22

0.35

SNB130FGBHT

1,400

U-V 0.98

V-W 0.98 W-U 0.98

RC0J50-CF

BLK-WHT 14.2

WHT-RED 14.2 RED-BLK 14.2

800 x 550 x 285

1.3

0.45 (NEO22)

Cooling

5.2 (1.1 - 6.0)

—

1,974

5.83

1,300

5.48

4.00

900

Heating

6.4 (1.0 - 7.0)

—

1,998

7.22

1,610

6.87

3.98

910

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20 °C)

Dimensions W x H x D

Weight

Sound level (High/Low)

Fan speed (High/Low)

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P) 2

Outdoor unit power supply

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

OBH584G

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20°C)

Dimensions W x H x D

Weight

Sound level

Fan speed

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

MXZ-3C54VA

Single phase

230 V, 50 Hz

1 to 3

Max. 50

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

6.43

0.2

SNB130FGBH1T

1,400

U-V 0.98

V-W 0.98 W-U 0.98

RC0J60-CB

BLK-WHT 15.2

WHT-RED 15.2 RED-BLK 15.2

840 x 710 x 330

2.7

0.7 (NEO22)

Cooling

5.4 (2.9-6.8)

—

2,526

5.23

1,190

5.03

4.54

650

Heating

7.0 (2.6-9.0)

—

2,580

6.43

1,465

6.23

4.78

660

Outdoor unit power supply

OBH584G

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20°C)

Dimensions W x H x D

Weight

Sound level

Fan speed

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

MXZ-3C68VA

Single phase

230 V, 50 Hz

1 to 3

Max. 60

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

9.00

0.2

SNB172FEGH1T

1,800

U-V 0.72

V-W 0.72 W-U 0.72

RC0J60-CB

BLK-WHT 15.2

WHT-RED 15.2 RED-BLK 15.2

840 x 710 x 330

2.7

0.7 (NEO22)

Cooling

6.8 (2.9-8.4)

—

2,526

7.80

1,775

7.60

3.83

650

Heating

8.6 (2.6-10.6)

—

2,580

9.00

2,050

8.80

4.20

660

Outdoor unit power supply

OBH584G

COOLING INDOOR Dry-bulb temperature27.0°C Wet-bulb temperature 19.0°C

OUTDOOR Dry-bulb temperature35.0°C Wet-bulb temperature 24.0°C

HEATING INDOOR Dry-bulb temperature20.0°C

OUTDOOR Dry-bulb temperature7.0°C Wet-bulb temperature 6.0°C

1 Measured under rated operating frequency.

2 Electrical data is for only outdoor unit.

NOTE: Test conditions are based on ISO 5151. (Refrigerant piping length (one way): 5 m)

Outdoor model

Indoor units number

Piping total length

Connecting pipe length

Height difference (Indoor ~ Outdoor)

Height difference (Indoor ~ Indoor)

Function

Capacity [Rated (Min.-Max.) Hz]

Dehumidification

Outdoor air flow

Breaker capacity

Running current

Power input

Power factor

Starting current

Compressor motor current

Fan motor current

Model

Output

Winding

resistance (at 20 °C)

Model

Winding

resistance (at 20°C)

Dimensions W x H x D

Weight

Sound level

Fan speed

Refrigerant filling

capacity (R410A)

Refrigeration oil (Model)

L/h

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

MXZ-4C71VA

Single phase

230 V, 50 Hz

1 to 4

Max. 60

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

7.49

0.2

SNB172FEGH1T

2,000

U-V 0.72

V-W 0.72 W-U 0.72

RC0J60-CB

BLK-WHT 15.2

WHT-RED 15.2 RED-BLK 15.2

840 x 710 x 330

2.7

0.7 (NEO22)

Cooling

7.1 (3.7-8.8)

—

2,526

7.38

1,680

7.18

4.23

650

Heating

8.6 (3.4-10.7)

—

2,580

7.49

1,705

7.29

5.04

660

Outdoor unit power supply

OBH584G

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