Mitsubishi Electric MXZ-3E54VA Manuel utilisateur

HFC

utilized

R410A

SERVICE MANUAL No. OBH723

REVISED EDITION-C

OUTDOOR UNIT

NOTE:

RoHS compliant products have <G> mark

on the spec name plate.

PARTS CATALOG (OBB723)

Models

MXZ-3E54VA -E1 , ET1 , ER1

MXZ-3E68VA -E1 , ET1 , ER1

MXZ-4E72VA -E1 , ET1 , ER1

MXZ-4E83VA -E1 , E2 , ET1 , ET2 , ER1

MXZ-5E102VA -E1 , E2 , ET1 , ET2 , ER1

MXZ-2E53VAHZ -E1 , ER1

MXZ-4E83VAHZ -E1 , ER1

Indoor unit service manual

MSZ-EF•VE Series (OBH589)

MSZ-SF•VA Series (OBH555)

MSZ-SF•VE Series (OBH600)

MSZ-FD•VA Series (OBH488)

MSZ-FH•VE Series (OBH623)

MSZ-GA•VA Series (OB378)

MSZ-GE•VA Series (OBH515)

MSZ-GF•VE Series (OBH634)

MFZ-KA•VA Series (OB409)

MFZ-KJ•VE Series (OBH666)

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)

CONTENTS

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

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

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

4. NOISE CRITERIA CURVES···························· 12

5. OUTLINES AND DIMENSIONS ······················ 14

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

7. REFRIGERANT SYSTEM DIAGRAM············· 36

8. PERFORMANCE CURVES····························· 44

9. ACTUATOR CONTROL··································· 73

10. SERVICE FUNCTIONS···································· 74

11. TROUBLESHOOTING····································· 77

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

INDOOR UNITS COMBINATION SHEETS

MXZ-4E83VA

MXZ-5E102VA

MXZ-2E53VAHZ

Please void OBH723 REVISED EDITION-B.

Revision C:

• MXZ-3E54VA- ER1 , MXZ-3E68VA- ER1 , MXZ-

4E72VA- ER1 , MXZ-4E83VA- E2 , ET2 , ER1 ,

MXZ-5E102VA- E2 , ET2 , ER1 , MXZ-2E53VAHZ-

ER1 and MXZ-4E83VAHZ- ER1 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 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:

• MXZ-2E53VAHZ- E1 and MXZ-4E83VAHZ- E1 have been added.

• Values of air flow and fan speed for MXZ-5E102VA- E1 , ET1 have been modified.

Revision B:

• MXZ-3E54VA- E1 , ET1 , MXZ-3E68VA- E1 , ET1 , and MXZ-4E72VA- E1 , ET1 have been added.

Revision C:

• MXZ-3E54VA- ER1 , MXZ-3E68VA- ER1 , MXZ-4E72VA- ER1 , MXZ-4E83VA- E2 , ET2 , ER1 , MXZ-5E102VA- E2 , ET2 , ER1 ,

MXZ-2E53VAHZ- ER1 and MXZ-4E83VAHZ- ER1 have been added.

OBH723C

TECHNICAL CHANGES

MXZ-4E83VA - E1 , ET1 , ER1

MXZ-5E102VA - E1 , ET1 , ER1

1. New model

MXZ-2E53VAHZ - E1 , ER1

1. New model

MXZ-4E83VAHZ - E1 , ER1

1. New model

MXZ-3E54VA - E1 , ET1 , ER1

MXZ-3E68VA - E1 , ET1 , ER1

MXZ-4E72VA - E1 , ET1 , ER1

1. New model

MXZ-4E83VA - E1 , ET1 MXZ-4E83VA - E2 , ET2

1. Fan motor has been changed.

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

MXZ-5E102VA - E1 , ET1 MXZ-5E102VA - E2 , ET2

1. Fan motor has been changed.

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

OBH723C

PART NAMES AND FUNCTIONS

MXZ-4E83VA

MXZ-5E102VA

MXZ-2E53VAHZ

Air outlet

Drain outlet

Air inlet

(Back and side)

ACCESSORIES

Model MXZ-3E54VA

MXZ-3E68VA

MXZ-4E72VA

MXZ-4E83VA

MXZ-5E102VA

Drain socket 1 1

Drain cap 2 5

Air outlet

Drain outlet

Air inlet

(Back and side)

MXZ-4E83VAHZ

Air outlet

Drain outlet

Air inlet

(Back and side)

MXZ-3E54VA

MXZ-3E68VA

MXZ-4E72VA

OBH723C

SPECIFICATION

Outdoor model MXZ-3E54VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 2 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 1,350 1,590

Running current (Total) 1, 2 A 5.9 7.0

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 7.0

Coefﬁcient of performance (C.O.P) (Total) 1, 2 4.00 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-F764-2

Current 1, 2 A 0.2

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

Weight kg 58

Special

remarks

Air ﬂow (Rated) m3/h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant ﬁlling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with indoor units below.

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

OBH723C

Outdoor model MXZ-3E68VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 2 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

Coefﬁcient 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-F764-2

Current 1, 2 A 0.2

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

Weight kg 58

Special

remarks

Air ﬂow (Rated) m3/h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant ﬁlling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with indoor units below.

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

OBH723C

Outdoor model MXZ-4E72VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 2 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

Coefﬁcient 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-F764-2

Current 1, 2 A 0.2

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

Weight kg 59

Special

remarks

Air ﬂow (Rated) m3/h 2,334 2,376

Sound level (Rated) dB(A) 50 53

Fan speed (Rated) rpm 650 660

Refrigerant ﬁlling capacity (R410A) kg 2.7

1 Measured under rated operating frequency.

2 When connected with indoor units below.

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

OBH723C

Outdoor model MXZ-4E83VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 2 to 4

Piping total length m Max. 70

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 8.3 (3.7 - 9.2) 9.3 (3.4 - 11.6)

Breaker capacity A 25

Electrical

data

Power input (Total) 1, 2 W 2,440 2,000

Running current (Total) 1, 2 A 10.7 8.8

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 10.7

Coefﬁcient of performance (C.O.P) (Total) 1, 2 3.40 4.65

Compressor

Model SNB220FAGMC

Output W 2,200

Current 1, 2 A 10.1 8.1

Refrigeration oil (Model) L 0.7 (FV50S)

Fan

motor

Model E1 , ET1 : SIC-81FW-D888-9 / E2 , ET2 , ER1 : SIC-88FWJ-D888-1

Current 1, 2 A 0.3

Dimensions W x H x D mm 950 x 796 x 330

Weight kg 62

Special

remarks

Air ﬂow (Rated) m3/h 3,336 3,336

Sound level (Rated) dB(A) 49 51

Fan speed (Rated) rpm 620 620

Refrigerant ﬁlling capacity (R410A) kg 2.99

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF18VE + MSZ-EF22VE + 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

OBH723C

Outdoor model MXZ-5E102VA

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 2 to 5

Piping total length m Max. 80

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 10.2 (3.9 - 11.0) 10.5 (4.1 - 14.0)

Breaker capacity A 25

Electrical

data

Power input (Total) 1, 2 W 3,150 2,340

Running current (Total) 1, 2 A 13.8 10.3

Power factor (Total) 1, 2% 99

Starting current (Total) 1, 2 A 13.8

Coefﬁcient of performance (C.O.P) (Total) 1, 2 3.24 4.49

Compressor

Model SNB220FAGMC

Output W 2,800

Current 1, 2 A 13.0 9.4

Refrigeration oil (Model) L 0.7 (FV50S)

Fan

motor

Model E1 , ET1 : SIC-81FW-D888-9 / E2 , ET2 , ER1 : SIC-88FWJ-D888-1

Current 1, 2 A 0.5

Dimensions W x H x D mm 950 x 796 x 330

Weight kg 63

Special

remarks

Air ﬂow (Rated) m3/h E1

ET1

: 3,336 /

ET2

ER1

: 3,906

4,080

Sound level (Rated) dB(A) 52 56

Fan speed (Rated) rpm E1 , ET1 : 620 / E2 , ET2 , ER1 : 720 750

Refrigerant ﬁlling capacity (R410A) kg 2.99

1 Measured under rated operating frequency.

2 When connected with below indoor units.

MSZ-EF18VE + MSZ-EF18VE + MSZ-EF22VE + MSZ-EF22VE + 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

OBH723C

Outdoor model MXZ-2E53VAHZ

Outdoor unit power supply Single phase

230 V, 50 Hz

System

Indoor units number 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 - 6.0) 6.4 (1.0 - 7.0)

Breaker capacity A 16/25 3

Electrical

data

Power input (Total) 1, 2 W 1,290 1,360

Running current (Total) 1, 2 A 5.7 6.0

Power factor (Total) 1, 2% 98

Starting current (Total) 1, 2 A 6.0

Coefﬁcient of performance (C.O.P) (Total) 1, 2 4.11 4.71

Compressor

Model SNB220FAGMC

Output W 1,400

Current 1, 2 A 5.3 5.5

Refrigeration oil (Model) L 0.7 (FV50S)

Fan

motor

Model E1

: SIC-81FW-D888-9, SIC-88FWJ-D888-1 /

ER1

: SIC-88FWJ-D888-1

Current 1, 2 A 0.3

Dimensions W x H x D mm 950 x 796 x 330

Weight kg 61

Special

remarks

Air ﬂow (Rated) m3/h 2,820 2,820

Sound level (Rated) dB(A) 45 47

Fan speed (Rated) rpm 520 520

Refrigerant ﬁlling capacity (R410A) kg 2.0

1 Measured under rated operating frequency.

2 When connected with below indoor units.

3 When the amount of current exceeds the allowed value.

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

OBH723C

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