Mitsubishi Electric MXZ-2D33VA-E1 User manual

SERVICE MANUAL

CONTENTS

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

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

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

4. NOISE CRITERIA CURVES ····························13

5. OUTLINES AND DIMENSIONS ······················16

6. WIRING DIAGRAM ··········································20

7. REFRIGERANT SYSTEM DIAGRAM ·············27

8. PERFORMANCE CURVES ·····························34

9. ACTUATOR CONTROL ···································62

10. SERVICE FUNCTIONS ····································63

11. TROUBLESHOOTING ·····································67

12. DISASSEMBLY INSTRUCTIONS ····················97

INDOOR UNITS COMBINATION SHEETS

Models

No. OBH626

REVISED EDITION-B

HFC

utilized

R410A

SPLIT-TYPE AIR CONDITIONERS

OUTDOOR UNIT

Indoor unit service manual

MSZ-EF•VE Series (OBH589)

MSZ-SF•VA Series (OBH555)

MSZ-SF•VE Series (OBH600)

MSZ-FH•VE Series (OBH623)

MFZ-KA•VA Series (OB409)

MLZ-KA•VA Series (OBH483)

SLZ-KA•VA Series (OC320)

SEZ-KD•VA 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 (OBB626)

MXZ-2D33VA - E1

MXZ-2D40VA - E1

MXZ-2D53VA - E1

MXZ-2D53VAH - E1

MXZ-3D54VA - E1

MXZ-3D68VA - E1

MXZ-4D72VA - E1

MXZ-4D83VA - E1

MXZ-5D102VA - E1

MXZ-2D33VA

MXZ-2D40VA

MXZ-2D53VA MXZ-2D53VAH

Please void OBH626 REVISED EDITION-A.

Revision B:

•

INDOOR UNITS COMBINATION SHEETS for

MXZ-3D54VA, MXZ-3D68VA, MXZ-4D72VA,

MXZ-4D83VA and MXZ-5D102VA have been added.

•

11-4. TROUBLESHOOTING CHECK TABLE (MXZ-

2D) has been modified.

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 specif 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:

•

MXZ-3D54VA-

, MXZ-3D68VA-

, MXZ-4D72VA-

, MXZ-4D83VA-

and MXZ-5D102VA-

have been added.

Revision B:

•

INDOOR UNITS COMBINATION SHEETS for MXZ-3D54VA, MXZ-3D68VA, MXZ-4D72VA, MXZ-4D83VA and MXZ-5D102VA

have been added.

•

11-4. TROUBLESHOOTING CHECK TABLE (MXZ-2D) has been modified.

OBH626B

TECHNICAL CHANGES

MXZ-2C30VA - E1 MXZ-2D33VA - E1

1. Grill has been changed.

2. Ice guard has been added.

3. Electrical parts have been changed.

4. Fan motor has been changed.

5. Indoor units combinations have been added.

6. Compressor has been changed. (KNB073FGDHC KNB073FFDHC)

MXZ-2C40VA - E1 MXZ-2D40VA - E1

MXZ-2C52VA - E1 MXZ-2D53VA - E1

1. Grill has been changed.

2. Ice guard has been added.

3. Electrical parts have been changed.

4. Fan motor has been changed.

5. Indoor units combinations have been added.

MXZ-2C52VA - E1 MXZ-2D53VAH - E1

1. Grill has been changed.

2. Ice guard has been added.

3. Electrical parts have been changed.

4. Fan motor has been changed.

5. Indoor units combinations have been added.

6. Base heater has been added.

7. Drain socket has been removed.

MXZ-3C54VA - E1 MXZ-3D54VA - E1

MXZ-3C68VA - E1 MXZ-3D68VA - E1

MXZ-4C71VA - E1 MXZ-4D72VA - E1

1. Grill has been changed.

2. Ice guard has been added.

3. Power board has been changed.

4. Electrical control P.C. board has been changed.

5. Noise filter P.C. board has been changed.

6. Fan motor has been changed.

7. Indoor units combinations have been added (MSZ-FH Series).

MXZ-4C80VA2 - E1 MXZ-4D83VA - E1

MXZ-5C100VA2 - E1 MXZ-5D102VA - E1

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

OBH626B

PART NAMES AND FUNCTIONS

ACCESSORIES

MXZ-2D33VA

MXZ-2D40VA

MXZ-2D53VA

MXZ-2D53VAH

Air inlet

Air outlet

Drain outlet

Piping

Drain hose

(Back and side)

Model

MXZ-2D33VA

MXZ-2D40VA

MXZ-2D53VA

MXZ-4D83VA

MXZ-5D102VA

MXZ-3D54VA

MXZ-3D68VA

MXZ-4D72VA

Drain socket 1 1

Drain cap 2

Air outlet

Drain outlet

Air inlet

(Back and side)

MXZ-3D54VA

MXZ-3D68VA

MXZ-4D72VA

MXZ-4D83VA

MXZ-5D102VA

Air outlet

Drain outlet

Air inlet

(Back and side)

OBH626B

SPECIFICATION

Outdoor model MXZ-2D33VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 2

Piping total length m Max. 20

Connecting pipe length m Max. 15

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 3.3 (1.1 - 3.8) 4.0 (1.0 - 4.1)

Breaker capacity A 15

Electrical

data

Power input (Total) 1, 2 W 900 960

Running current (Total) 1, 2 A 4.3 4.6

Power factor (Total) 1, 2% 90

Starting current (Total) 1, 2 A 4.6

Coeff cient of performance (C.O.P) (Total) 1, 2 3.67 4.17

Compressor

Model KNB073FFDHC

Output W 800

Current 1, 2 A 4.0 4.2

Refrigeration oil (Model) L 0.32 (NEO22)

Fan

motor

Model RC0J50-FA

Current 1, 2 A 0.35

Dimensions W x H x D mm 800 x 550 x 285

Weight kg 32

Special

remarks

Air f ow (Rated) m3 /h 1,974 2,022

Sound level (Rated) dB(A) 49 50

Fan speed (Rated) rpm 860 880

Refrigerant f lling capacity (R410A) kg 1.15

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-SF15VA + MSZ-EF18VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

Outdoor model MXZ-2D40VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 2

Piping total length m Max. 30

Connecting pipe length m Max. 20

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 4.0 (1.1 - 4.3) 4.5 (1.0 - 4.8)

Breaker capacity A 15

Electrical

data

Power input (Total) 1, 2 W 970

Running current (Total) 1, 2 A 4.7

Power factor (Total) 1, 2% 90

Starting current (Total) 1, 2 A 4.7

Coeff cient of performance (C.O.P) (Total) 1, 2 4.12 4.64

Compressor

Model KNB092FFDHC

Output W 1,100

Current 1, 2 A 4.4 4.2

Refrigeration oil (Model) L 0.32 (NEO22)

Fan

motor

Model RC0J50-FA

Current 1, 2 A 0.35

Dimensions W x H x D mm 800 x 550 x 285

Weight kg 34

Special

remarks

Air f ow (Rated) m3 /h 1,752 1,662

Sound level (Rated) dB(A) 49 50

Fan speed (Rated) rpm 840 800

Refrigerant f lling capacity (R410A) kg 1.3

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF22VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

Outdoor model MXZ-2D53VA MXZ-2D53VAH

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 2

Piping total length m Max. 30

Connecting pipe length m Max. 20

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 5.3 (1.1 - 5.6) 6.4 (1.0 - 7.0)

Breaker capacity A 15

Electrical

data

Power input (Total) 1, 2 W 1,540 1,700

Running current (Total) 1, 2 A 6.9 7.6

Power factor (Total) 1, 2% 97

Starting current (Total) 1, 2 A 7.6

Coeff cient of performance (C.O.P) (Total) 1, 2 3.44 3.76

Compressor

Model SNB130FGBHT

Output W 1,400

Current 1, 2 A 6.6 7.2

Refrigeration oil (Model) L 0.45 (NEO22)

Fan

motor

Model RC0J50-FA

Current 1, 2 A 0.35

Dimensions W x H x D mm 800 x 550 x 285

Weight kg MXZ-2D53VA: 37 MXZ-2D53VAH: 38

Special

remarks

Air f ow (Rated) m3 /h 1,974 1,998

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 900 910

Refrigerant f lling capacity (R410A) kg 1.3

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF35VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

Outdoor model MXZ-3D54VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 3

Piping total length m Max. 50

Connecting pipe length m Max. 25

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 5.4 (2.9 - 6.8) 7.0 (2.6 - 9.0)

Breaker capacity A 25

Electrical

data

Power input (Total) 1, 2 W 1,390 1,590

Running current (Total) 1, 2 A 6.1 7.0

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 7.0

Coeff cient of performance (C.O.P) (Total) 1, 2 3.88 4.40

Compressor

Model SNB130FGBH1T

Output W 1,400

Current 1, 2 A 5.72 6.62

Refrigeration oil (Model) L 0.7 (NEO22)

Fan

motor

Model SIC-71FW-F764-1

Current 1, 2 A 0.2

Dimensions W x H x D mm 840 x 710 x 330

Weight kg 57

Special

remarks

Air f ow (Rated) m3 /h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant f lling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF18VE + MSZ-EF18VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

Outdoor model MXZ-3D68VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 3

Piping total length m Max. 60

Connecting pipe length m Max. 25

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 6.8 (2.9 - 8.4) 8.6 (2.6 - 10.6)

Breaker capacity A 25

Electrical

data

Power input (Total) 1, 2 W 2,190 2,380

Running current (Total) 1, 2 A 9.6 10.5

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 10.5

Coeff cient of performance (C.O.P) (Total) 1, 2 3.11 3.61

Compressor

Model SNB172FEGH1T

Output W 1,800

Current 1, 2 A 9.22 10.12

Refrigeration oil (Model) L 0.7 (NEO22)

Fan

motor

Model SIC-71FW-F764-1

Current 1, 2 A 0.2

Dimensions W x H x D mm 840 x 710 x 330

Weight kg 57

Special

remarks

Air f ow (Rated) m3 /h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant f lling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF25VE + MSZ-EF25VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

Outdoor model MXZ-4D72VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 1 to 4

Piping total length m Max. 60

Connecting pipe length m Max. 25

Height difference (Indoor ~ Outdoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Height difference (Indoor ~ Indoor) m Refer to 7 REFRIGERANT SYSTEM DIAGRAM.

Function Cooling Heating

Capacity Rated frequency (Min.-Max.) 2 kW 7.2 (3.7 - 8.8) 8.6 (3.4 - 10.7)

Breaker capacity A 25

Electrical

data

Power input (Total) 1, 2 W 2,250 2,280

Running current (Total) 1, 2 A 9.9 10.0

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 10.0

Coeff cient of performance (C.O.P) (Total) 1, 2 3.20 3.77

Compressor

Model SNB172FEGH1T

Output W 2,000

Current 1, 2 A 9.46 9.56

Refrigeration oil (Model) L 0.7 (NEO22)

Fan

motor

Model SIC-71FW-F764-1

Current 1, 2 A 0.2

Dimensions W x H x D mm 840 x 710 x 330

Weight kg 58

Special

remarks

Air f ow (Rated) m3 /h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant f lling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF18VE + MSZ-EF18VE + MSZ-EF18VE

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

COOLING INDOOR Dry-bulb temperature 27.0 °C Wet-bulb temperature 19.0 °C

OUTDOOR Dry-bulb temperature 35.0 °C Wet-bulb temperature 24.0 °C

HEATING INDOOR Dry-bulb temperature 20.0 °C

OUTDOOR Dry-bulb temperature 7.0 °C Wet-bulb temperature 6.0 °C

OBH626B

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