Mitsubishi Electric MXZ-3C54VA Manuale utente

SERVICE MANUAL

CONTENTS

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

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

3. SPECIFICATION················································ 4

4. NOISE CRITERIA CURVES···························· 10

5. OUTLINES AND DIMENSIONS ······················ 12

6. WIRING DIAGRAM·········································· 16

7. REFRIGERANT SYSTEM DIAGRAM············· 22

8. PERFORMANCE CURVES····························· 27

9. ACTUATOR CONTROL··································· 50

10. SERVICE FUNCTIONS···································· 51

11. TROUBLESHOOTING····································· 54

12. DISASSEMBLY INSTRUCTIONS···················· 80

INDOOR UNITS COMBINATION SHEETS

Models

No. OBH584

HFC

utilized

R410A

SPLIT-TYPE AIR CONDITIONERS

MXZ-4C80VA

MXZ-5C100VA

OUTDOOR UNIT

Indoor unit service manual

MSZ-FD•VA Series (OBH488)

MSZ-GE•VA Series (OBH515)

MSZ-EF•VA Series

MSZ-SF•VA Series (OBH555)

MFZ-KA•VA Series (OB409)

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-3C54VA - E1

MXZ-3C68VA - E1

MXZ-4C71VA - E1

MXZ-4C80VA - E1

MXZ-5C100VA - E1

MXZ-6C120VA - E1

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

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.

PART NAMES AND FUNCTIONS

ACCESSORIES

Drain socket

Drain cap (MXZ-3C/4C/5C) 1

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

Air outlet

Drain outlet

Air inlet

(Back and side)

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)

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

SPECIFICATION

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)

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

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)

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

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)

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

MXZ-4C80VA

Single phase

230 V, 50 Hz

1 to 4

Max. 70

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

8.59

0.2

TNB220FMCH

2,100

U-V 1.41

V-W 1.41 W-U 1.41

RC0J60-CA

BLK-WHT 15.2

WHT-RED 15.2 RED-BLK 15.2

900 x 900 x 320

3.5

0.87 (NEO22)

Cooling

8.0 (3.7-9.2)

—

2,526

8.59

1,955

8.39

4.09

560

Heating

9.4 (3.4-11.6)

—

2,628

8.48

1,930

8.28

4.87

580

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)

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)

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

Outdoor unit power supply

MXZ-5C100VA

Single phase

230 V, 50 Hz

1 to 5

Max. 80

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

12.45

0.2

TNB220FMCH

2,700

U-V 1.41

V-W 1.41 W-U 1.41

RC0J60-CA

BLK-WHT 15.2

WHT-RED 15.2 RED-BLK 15.2

900 x 900 x 320

4.0

0.87 (NEO22)

Cooling

10.0 (3.9 - 11.0)

—

3,396

12.30

2,800

12.1

3.57

720

Heating

12.0 (4.1 - 14.0)

—

3,558

12.45

2,835

12.25

4.23

750

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

Dimensions W x H x D

Weight

Sound level

Fan speed

Refrigerant filling

capacity(R410A)

Refrigeration oil (Model)

m3/h

rpm

Compressor

2 Electrical

data

Fan

motor

Special

remarks Capacity System

Coefficient of performance(C.O.P)

Outdoor unit power supply

MXZ-6C120VA

Single phase

230 V, 50 Hz

1 to 6

Max. 80

Max. 25

Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

15.85

0.3

TNB306FPGM2

3,000

U-V 0.53

V-W 0.53 W-U 0.53

SIC-81FW-D888-1

900 x 1,070 x 320

5.0

1.07 (FV50S)

Cooling

12.0 (3.5 - 13.5)

—

3,324

15.85

3,610

15.55

3.32

590

Heating

14.0 (3.5 - 16.5)

—

4,194

15.24

3,470

14.94

4.03

730

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)

NOISE CRITERIA CURVES

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-3C54VA

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-4C80VA

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-3C68VA

10 63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-4C71VA

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