Mitsubishi MXZ-2B30VA-E1, MXZ-2B40VA-E1, MXZ-3B54VA-E1, MXZ-3B68VA-E1, MXZ-4B71VA-E1 Service Manual
...
SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
Revision B:
•
MXZ-2B30VA- E1 and MXZ-2B52VA- E1
have been added.
Please void OBH554
REVISED EDITION-A.
SERVICE MANUAL
Models
MXZ-2B30VA -
MXZ-2B40VA -
MXZ-2B52VA -
MXZ-3B54VA -
MXZ-3B68VA -
E1
E1
E1
E1
E1
MXZ-4B71VA -
MXZ-4B80VA -
MXZ-5B100VA -
HFC
utilized
R410A
Indoor unit service manual
MSZ-FA•VA Series (OB371)
MSZ-FD•VA Series (OBH488)
MSZ-GA•VA Series (OB378, OB388)
MSZ-CB•VA Series (OB441)
MSZ-GC•VA Series (OBH468)
MSZ-GE•VA Series (OBH515)
MSZ-SF•VA Series (OBH555)
MFZ-KA•VA Series (OB409)
MLZ-KA•VA Series (OBH483)
No. OBH554
REVISED EDITION-B
E1
E1
E1
CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ···························· 13
5. OUTLINES AND DIMENSIONS ······················ 15
6. WIRING DIAGRAM ·········································· 19
7. REFRIGERANT SYSTEM DIAGRAM ············· 25
8. PERFORMANCE CURVES ····························· 32
9. ACTUA TOR CONTROL ··································· 59
10. SERVICE FUNCTIONS ···································· 60
11. TROUBLESHOOTING ····································· 64
12. DISASSEMBLY INSTRUCTIONS ···················· 88
MXZ-4B80VA
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
INDOOR UNITS COMBINATION SHEETS
PARTS CATALOG (OBB554)
Revision A :
•
MXZ-2B40VA- E1, MXZ-3B54VA- E1, MXZ-3B68VA- E1 and MXZ-4B71VA- E1
• Power board of
MXZ-4B80VA- E1 and MXZ-5B100VA- E1 has been changed
Revision B :
•
MXZ-2B30VA- E1 and MXZ-2B52VA- E1
have been added.
have been added.
.
1
MXZ-4A80VA -
1. Indoor units combinations have been added (15/20 class).
2. Electronic control P.C. board has been changed.
3. Noise filter P.C. board has been changed.
4. Power board has been changed.
5. LEV coil has been changed.
MXZ-5A100VA -
1. Indoor units combinations have been added (15/20 class).
2. Electronic control P.C. board has been changed.
3. Noise filter P.C. board has been changed.
4. Power board has been changed.
5. LEV coil has been changed.
MXZ-3A54VA -
1. Indoor units combinations have been added (15/20 class).
2. Electronic control P.C. board has been changed.
3. Noise filter P.C. board has been changed.
4. Power board has been changed.
5. LEV coil has been changed.
TECHNICAL CHANGES
E2
E7
MXZ-4B80VA -
E1
MXZ-5B100VA -
MXZ-3B54VA -
E1
E1
E1
MXZ-3B68VA -
1. New model
E1
2
MXZ-4A71VA -
1. Indoor units combinations have been added (15/20 class).
2. Electronic control P.C. board has been changed.
3. Noise filter P.C. board has been changed.
4. Power board has been changed.
5. LEV coil has been changed.
6. Compressor has been changed. (SNB130FGBH1T SNB172FEGH1T)
MXZ-2A30VA -
1. Indoor units combinations have been added (15/20 class).
2. Compressor has been changed. (KNB073FGDH KNB073FGDHC)
3. Inverter P.C. board has been changed.
4. Interface P.C. board has been changed.
5. LEV coil has been changed.
MXZ-2A40VA -
1. Indoor units combinations have been added (15/20 class).
2. Compressor has been changed. (KNB092FEDH KNB092FFDHC)
3. Inverter P.C. board has been changed.
4. Interface P.C. board has been changed.
5. LEV coil has been changed.
E7
E2
E2
MXZ-4B71VA -
MXZ-2B30VA -
MXZ-2B40VA -
E1
E1
E1
MXZ-2A52VA -
1. Indoor units combinations have been added (15/20/42 class).
2. Compressor has been changed. (SNB130FKMH SNB130FGBHT)
3. Inverter P.C. board has been changed.
4. Interface P.C. board has been changed.
5. LEV coil has been changed.
E2
MXZ-2B52VA -
E1
3
2
PART NAMES AND FUNCTIONS
MXZ-2B30VA
MXZ-2B40VA
MXZ-2B52VA
MXZ-4B80VA
MXZ-5B100VA
Air inlet
(Back and side)
Piping
Drain hose
Air outlet
Drain outlet
MXZ-3B54VA
MXZ-3B68VA
MXZ-4B71VA
Air inlet
(Back and side)
Air outlet
Drain outlet
ACCESSORIES
Drain socket
Drain cap (MXZ-3B/4B/5B)
Air inlet
(Back and side)
Air outlet
Drain outlet
1
2
4
3
SPECIFICATION
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P) 2
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20 °C)
Dimensions W x H x D
Weight
Sound level (High/Low)
Fan speed (High/Low)
Refrigerant filling
capacity (R410A)
Special
remarks
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-2B30VA
Single phase
230 V, 50 Hz
1 to 2
Max. 20
Max. 15
Refer to 9
Refer to 9
Cooling
3.0 (1.1 - 4.0)
3
/h
A
A
A
A
A
—
2,025
10
2.71
560
90
3.94
2.36
0.35
5.36
KNB073FGDHC
750
U-V 1.70
V-W 1.70 W-U 1.70
RC0J50-CI
BLK-WHT 14.2
WHT-RED 14.2 RED-BLK 14.2
800 x 550 x 285
33
46
880
1.15
320 (NEO22)
Heating
4.0 (1.0 - 4.4)
—
1,855
3.94
815
3.59
4.91
47
810
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)
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
5
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P) 1 2
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20 °C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
capacity (R410A)
Special
remarks
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-2B40VA
Single phase
230 V, 50 Hz
1 to 2
Max. 30
Max. 20
Refer to 9
Refer to 9
Cooling
4.0 (1.1 - 4.5)
—
3
/h
A
A
1,750
15
4.00
875
Heating
4.5 (1.0 - 5.0)
—
1,595
3.98
870
95
A
A
3.65
A
4.57
4.00
3.60
0.35
5.17
KNB092FFDHC
1,100
U-V 1.70
V-W 1.70 W-U 1.70
RC0J50-CI
BLK-WHT 14.2
WHT-RED 14.2 RED-BLK 14.2
800 x 550 x 285
35
47
840
48
770
1.3
320 (NEO22)
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)
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
6
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P) 2
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20 °C)
Dimensions W x H x D
Weight
Sound level (High/Low)
Fan speed (High/Low)
Refrigerant filling
capacity (R410A)
Special
remarks
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-2B52VA
Single phase
230 V, 50 Hz
1 to 2
Max. 30
Max. 20
Refer to 9
Refer to 9
Cooling
5.2 (1.1 - 6.0)
—
3
/h
A
A
1,975
15
5.83
1,300
Heating
6.4 (1.0 - 7.0)
—
2,000
7.22
1,610
97
A
A
5.48
A
4.00
7.22
6.87
0.35
3.98
SNB130FGBHT
1,400
U-V 0.98
V-W 0.98 W-U 0.98
RC0J50-CI
BLK-WHT 14.2
WHT-RED 14.2 RED-BLK 14.2
800 x 550 x 285
38
49
900
50
910
1.3
450 (NEO22)
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)
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
7
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P)
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20°C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
Special
remarks
capacity (R410A)
Refrigeration oil (Model)
kW
/h
m
mm
rpm
m
m
m
m
3
A
A
W
%
A
A
A
W
Ω
Ω
kg
dB
kg
cc
/h
MXZ-3B54VA
Single phase
230 V, 50 Hz
1 to 3
Max. 50
Max. 25
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Cooling
5.4 (2.9-6.8)
—
2,525
Heating
7.0 (2.6-9.0)
—
2,580
25
5.23
1,190
6.43
1,465
99
6.43
5.03
6.23
0.2
4.23
5.04
SNB130FGBH1T
1,400
U-V 0.98
V-W 0.98 W-U 0.98
RC0J60-AA
BLK-WHT 15.2
WHT-RED 15.2 RED-BLK 15.2
840 x 710 x 330
57
47
650
51
660
2.7
700(NEO22)
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)
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
8
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P)
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20°C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
Special
remarks
capacity (R410A)
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-3B68VA
Single phase
230 V, 50 Hz
1 to 4
Max. 50
Max. 25
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Cooling
6.8 (3.7-8.4)
—
3
/h
A
A
2,525
25
7.80
1,775
Heating
8.6 (3.4-10.6)
—
2,580
9.00
2,050
99
A
A
7.60
A
3.83
9.00
8.80
0.2
4.20
SNB172FEGH1T
1,800
U-V 0.72
V-W 0.72 W-U 0.72
RC0J60-AA
BLK-WHT 15.2
WHT-RED 15.2 RED-BLK 15.2
840 x 710 x 330
57
48
650
52
660
2.7
700(NEO22)
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)
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
9
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P)
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20°C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
Special
remarks
capacity (R410A)
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-4B71VA
Single phase
230 V, 50 Hz
1 to 4
Max. 60
Max. 25
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Cooling
7.1 (3.7-8.8)
—
3
/h
A
A
2,525
25
7.38
1,680
Heating
8.6 (3.4-10.7)
—
2,580
7.49
1,705
99
A
A
7.18
A
4.54
7.49
7.29
0.2
4.78
SNB172FEGH1T
2,000
U-V 0.72
V-W 0.72 W-U 0.72
RC0J60-AA
BLK-WHT 15.2
WHT-RED 15.2 RED-BLK 15.2
840 x 710 x 330
58
48
650
52
660
2.7
700(NEO22)
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)
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
10
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P)
Model
Output
Winding
Compressor
resistance (at 20 °C)
Model
Winding
Fan
motor
resistance (at 20°C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
Special
remarks
capacity (R410A)
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-4B80VA
Single phase
230 V, 50 Hz
1 to 4
Max. 70
Max. 25
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Cooling
8.0 (3.7-9.2)
—
3
/h
A
A
2,530
25
8.59
1,955
Heating
9.4 (3.4-11.6)
—
2,630
8.48
1,930
99
A
A
8.39
A
4.09
8.59
8.28
0.2
4.87
TNB220FMCH
2,100
U-V 1.41
V-W 1.41 W-U 1.41
PM8H60-UA
BLK-WHT 15.2
WHT-RED 15.2 RED-BLK 15.2
900 x 900 x 320
67
46
560
48
590
3.5
870(NEO22)
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)
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
11
Outdoor model
Outdoor unit power supply
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
Capacity System
Breaker capacity
Running current
Power input
Power factor
Starting current
2 Electrical
data
Compressor motor current
Fan motor current
Coefficient of performance(C.O.P)
Model
Output
Winding
Compressor
resistance(at 20 °C)
Model
Winding
Fan
motor
resistance(at 20 °C)
Dimensions W x H x D
Weight
Sound level
Fan speed
Refrigerant filling
capacity(R410A)
Special
remarks
Refrigeration oil (Model)
kW
/h
m
mm
dB
rpm
m
m
m
m
W
%
W
Ω
Ω
kg
kg
cc
MXZ-5B100VA
Single phase
230 V, 50 Hz
1 to 5
Max. 80
Max. 25
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Refer to 7 REFRIGERANT SYSTEM DIAGRAM.
Cooling
10.0 (3.9 - 11.0)
—
3
/h
A
A
3,396
25
12.30
2,880
Heating
12.0 (4.1 - 14.0)
—
3,558
12.45
2,835
99
A
A
12.10
A
3.57
12.45
12.25
0.2
4.23
TNB220FMCH
2,700
U-V 1.41
V-W 1.41 W-U 1.41
PM8H60-UA
BLK-WHT 15.2
WHT-RED 15.2 RED-BLK 15.2
900 x 900 x 320
68
51
720
54
750
4.0
870 (NEO22)
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)
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
12
4
NOISE CRITERIA CURVES
MXZ-2B30VA
FAN SPEED
FUNCTION
CoolingHigh
HeatingHigh
SPL(dB(A))47LINE
46
MXZ-2B40VA
FAN SPEED
FUNCTION
CoolingHigh
HeatingHigh
SPL(dB(A))48LINE
47
90
80
70
60
50
40
30
20
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
10
63 125 250 500 1000 2000 4000 8000
NC-10
BAND CENTER FREQUENCIES, Hz
FUNCTION
MXZ-2B52VA
FAN SPEED
CoolingHigh
HeatingHigh
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
SPL(dB(A))50LINE
49
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
FAN SPEED
FUNCTION
MXZ-3B54VA
CoolingHigh
HeatingHigh
SPL(dB(A))51LINE
47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
90
80
70
60
50
40
30
20
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
10
63 125 250 500 1000 2000 4000 8000
NC-10
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
13
MXZ-3B68VA
FAN SPEED
FUNCTION
CoolingHigh
HeatingHigh
SPL(dB(A))52LINE
48
MXZ-4B71VA
FAN SPEED
FUNCTION
CoolingHigh
HeatingHigh
SPL(dB(A))52LINE
48
90
80
70
60
50
40
30
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500 1000 2000 4000 8000
MXZ-4B80VA
BAND CENTER FREQUENCIES, Hz
FAN SPEED
90
FUNCTION
CoolingHigh
HeatingHigh
SPL(dB(A))48LINE
46
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
90
80
70
60
50
40
30
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500 1000 2000 4000 8000
MXZ-5B100VA
BAND CENTER FREQUENCIES, Hz
90
FAN SPEED
FUNCTION
CoolingHigh
HeatingHigh
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
SPL(dB(A))54LINE
51
80
70
60
50
40
30
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
1m
MICROPHONE
80
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
70
60
50
40
30
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling :Dry-bulb temperature 35°C Wet-bulb temperature 24°C
Heating :Dry-bulb temperature 7°C Wet-bulb temperature 6°C
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
14
5
OUTLINES AND DIMENSIONS
MXZ-2B30VA
MXZ-2B40VA
MXZ-2B52VA
550
44
handle
280
22.3
10
400
302.5
Air out
500150
800
Drainage hole 42
40
2-10x21 Oval hole
REQUIRED SPACE
100mm or more
344.5
304 325
17.5
51
51 51
251.1
170.4
69
200mm or more
Open two sides of left,
right, or rear side.
1323 285
Liquid pipe : 6.35(flared)1/4
Gas pipe : 9.52(flared)3/8
Liquid pipe : 6.35(flared)1/4
Gas pipe : 9.52(flared)3/8
Basically open 100mm or more
without any obstruction in front
and on both sides of the unit.
100mm or more
350mm or more
B unit
connection
A unit
connection
15
MXZ-3B54VA MXZ-3B68VA
16.8
63.2
31.3
288233.1
Air in
Unit: mm
171500169
17.717.7
Air in
3- 33 Drain hole
360
299
Air out
840
4-10 x 21 Oval hole
(Base bolt M10)
200
13.3 20.3
30
27.1
Indoor and outdoor
connect wiring
240
39 x 27 hole
225
45
84
23.1
360.6
(Bolt Pitch)
440
396
30 330
710
13
66.3
Gas pipe 9.52(flared)3/8
C unit connection
B unit connection
A unit connection
Liquid pipe 6.35(flared)1/4
1.Installation space
Note : Leave front and both sides
free of obstruction.
Note : Leave front and overhead
free of obstruction.
More than
100
Note : Leave rear, overhead and
both sides free of obstruction.
More than
500
More than
100
More than
More than
350
More than
500
200
2.Service space
More than
100
More than
More than
100
More than
350350
Service space
500
More than
16
t
MXZ-4B71VA
Unit: mm
16.8
Air in
3- 33 Drain hole
169
63.2 288233.1
31.3
360
Air in
Air out
840 30
171500
4-10 x 21 Oval hole
(Base bolt M10)
200
17.7
20.313.3
360.6
(Bolt Pitch)
17.7
27.1
Indoor and outdoor
connect wiring
39 x 27 hole
31584
440
45
396
240
710
330 1330
Gas pipe
66.3
9.52(flared)3/8(B,C,D uni
12.7(flared)1/2(A unit)
D unit connection
C unit connection
B unit connection
A unit connection
299
1.Installation space
Note : Leave front and both sides
free of obstruction.
Note : Leave front and overhead
free of obstruction.
More than
100
More than
500
23.1
More than
100
200
More than
More than
350
2.Service space
More than
100
More than
Liquid pipe 6.35(flared)1/4
More than
100
More than
350350
500
More than
Note : Leave rear, overhead and
both sides
free of obstruction.
More than
500
Service space
17
MXZ-4B80VA
74
Air in
3- 33 Drain hole
MXZ-5B100VA
200 200500
35
35
250
270
Air in
Air out
900
27
40
2-12 x 36 Oval hole
(Base bolt M10)
2-U Shaped notched hole
(Base bolt M10)
16
11
355
387
24
(Bolt pitch)
16
Unit: mm
Gas pipe
9.52(flared) 3/8 (B,C,D,E (MXZ-5B100VA) unit)
12.7(flared) 1/2 (A unit)
32030 10
Handle
460
1.Installation space
Note : Leave front and both sides
free of obstruction.
Note : Leave front and overhead
free of obstruction.
317
More than
100
More than
500
Handle
45
23
Indoor and
outdoor
connect
wiring
(35 x 53) hole
597
132 405
More than
100
200
More than
More than
350
900
88
B
A
Liquid pipe
6.35(flared)1/4
2.Service space
More than
100
E unit connection (MXZ-5B100VA)
D unit connection
C unit connection
B unit connection
A unit connection
More than
100
500
More than
Note : Leave rear, overhead and
both sides free of obstruction.
More than
500
18
More than
More than
350350
Service space
6
WIRING DIAGRAM
MXZ-2B30VA MXZ-2B40VA MXZ-2B52VA
TB1
TB3
TB2
19
MXZ-3B54VA
20
MXZ-3B68VA
21
MXZ-4B71VA
22
MXZ-4B80VA
23
MXZ-5B100VA
24
7
REFRIGERANT SYSTEM DIAGRAM
MXZ-2B30VA
R.V. coil
OFF
ON
Indoor unit
B
Indoor unit
A
Refrigerant flow in cooling
Refrigerant flow in heating
Stop valve
(with service port)
Stop valve
(with service port)
Capillary tube
Indoor unit
A
Stop valve
(with strainer #100)
Capillary tube
Indoor unit
B
Stop valve
(with strainer #100)
LEV A
LEV B
Compressor
Discharge
temperature
thermistor RT62
Muffler
4-way valve
Outdoor heat
exchanger
temperature
thermistor
RT68
HEX-OUT
Strainer
#100
FAN-OUT
Defrost
thermistor
RT61
UNIT: mm
Ambient
temperature
thermistor
RT65
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b) 15m
Indoor
units
a
Max.
Height
difference
Total piping length (a+b) 20m
Bending point for each unit 15
Total bending point 20
Outdoor
unit
10m
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
1,150
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
class Pipe diameter
15/20/22/25
Refrigerant piping length (one way, 2 unit total)
20m
0
Indoor unit
Extension pipe diameter
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
b
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
10m
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
10m
25
MXZ-2B40VA
R.V. coil
OFF
ON
Refrigerant flow in cooling
Refrigerant flow in heating
Compressor
Discharge
temperature
thermistor RT62
Muffler
UNIT: mm
Indoor unit
B
Indoor unit
A
Stop valve
(with service port)
Stop valve
(with service port)
Indoor unit
A
Indoor unit
B
Capillary tube
Stop valve
(with strainer #100)
Capillary tube
Stop valve
(with strainer #100)
LEV A
LEV B
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b) 20m
Total piping length (a+b) 30m
Bending point for each unit 20
Total bending point 30
4-way valve
Indoor
units
a
Outdoor heat
exchanger
temperature
thermistor
RT68
HEX-OUT
Strainer
#100
Outdoor
unit
Capillary tube
Distributor
FAN-OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor
RT61
Max.
Height
difference
15m
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
1,300
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 20)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
class Pipe diameter
15/20/22/25/35
Refrigerant piping length (one way, 2 unit total)
20m
0
Indoor unit
30m
200
Extension pipe diameter
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
26
b
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
10m
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
15m
MXZ-2B52VA
R.V. coil
OFF
ON
Refrigerant flow in cooling
Refrigerant flow in heating
Compressor
Discharge
temperature
thermistor RT62
Muffler
UNIT: mm
Indoor unit
B
Indoor unit
A
Stop valve
(with service port)
Stop valve
(with service port)
Indoor unit
A
Indoor unit
B
Capillary tube
Stop valve
(with strainer #100)
Capillary tube
Stop valve
(with strainer #100)
LEV A
LEV B
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b) 20m
Total piping length (a+b) 30m
Bending point for each unit 20
Total bending point 30
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
1,300
Refrigerant piping length (one way, 2 unit total)
20m
0
30m
200
4-way valve
Indoor
units
Outdoor heat
exchanger
temperature
thermistor
RT68
HEX-OUT
Strainer
#100
a
Distributor
FAN-OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor
RT61
Capillary tube
Max.
Height
difference
Outdoor
unit
15m
15m
10m
b
Calculation : Xg = 20 g/m x (Refrigerant piping length(m) - 20)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
UNIT: mm (inch)
Outdoor unit union diameter
Indoor unit
class Pipe diameter
15/20/22/
25/35/42
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
Extension pipe diameter
For
Indoor unit A
Indoor unit B
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
27
MXZ-3B54VA MXZ-3B68VA
R.V. coil
OFF
ON
Indoor unit
C
Indoor unit
B
Indoor unit
A
Refrigerant flow in cooling
Refrigerant flow in heating
Capillary tube
Indoor unit
A
Strainer
#100
Capillary tube
Indoor unit
B
Indoor unit
C
Strainer
#100
Capillary tube
Strainer
#100
LEV A
LEV B
LEV C
High-pressure switch
(MXZ-3B68VA only)
Oil separator
Stop valve with
service port
Muffler
Strainer
#100
Compressor
Stop valve
Discharge
temperature
thermistor RT62
Capillary tube
4-way valve
Power
receiver
LEV E
Outdoor heat
exchanger
temperature
thermistor
RT68
HEX-OUT
Strainer
#100
Distributor
FAN- OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor
RT61
Capillary tube
UNIT: mm
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c) 25m
Indoor
units
a
Max.
Height
difference
Total piping length (a+b+c) 50m
Bending point for each unit 25
Total bending point 50
b
Outdoor
unit
15m
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
2,700
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
class Pipe diameter
15/20/22/
25/35/42
50
60
(MXZ-3B68VA)
Refrigerant piping length (one way, 3 unit total)
40m
0
Indoor unit
50m
200
Extension pipe diameter
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 12.7(1/2) Gas 12.7(1/2)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 15.88(5/8) Gas 15.88(5/8)
c
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
Indoor unit C
10m
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
15m
28
MXZ-4B71VA
UNIT: mm
R.V. coil
OFF
ON
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Refrigerant flow in cooling
Refrigerant flow in heating
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
Strainer
#100
Strainer
#100
Strainer
#100
Strainer
#100
Capillary tube
LEV A
LEV B
LEV C
LEV D
High-pressure
switch
Oil separator
Stop valve with
service port
Muffler
Strainer
#100
Compressor
Capillary tube
Stop valve
Discharge
temperature
thermistor RT62
4-way valve
Power
receiver
LEV E
Outdoor heat
exchanger
temperature
thermistor
RT68
HEX-OUT
Strainer
#100
Distributor
FAN- OUT
Ambient
temperature
thermistor
RT65
Defrost
thermistor
RT61
Capillary tube
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d) 25m
Total piping length (a+b+c+d) 60m
Indoor
units
a
Max.
Height
difference
Bending point for each unit 25
Total bending point 60
It is irrelevant which unit is higher.
b
Outdoor
unit
15m
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
2,700
Refrigerant piping length (one way, 4 unit total)
40m
0
50m
200
60m
400
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
Indoor unit
class Pipe diameter
15/20/22/25/35/42
50
60
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 12.7(1/2) Gas 12.7(1/2)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 15.88(5/8) Gas 15.88(5/8)
Extension pipe diameter
c
d
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
10m
UNIT: mm (inch)
Liquid 6.35(1/4)
Gas 12.7(1/2)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
Liquid 6.35(1/4)
Gas 9.52(3/8)
15m
29
MXZ-4B80VA
UNIT: mm
Oil separator
Muffler
Compressor
Strainer
#100
R.V. coil
OFF
ON
Indoor unit
D
Indoor unit
C
Indoor unit
B
Indoor unit
A
Refrigerant flow in cooling
Refrigerant flow in heating
Indoor unit
A
Indoor unit
B
Indoor unit
C
Indoor unit
D
Strainer
#100
Strainer
#100
Strainer
#100
Strainer
#100
Capillary tube
LEV A
LEV B
LEV C
LEV D
High-pressure
switch
Stop valve
(with service port)
Stop valve
MAX REFRIGERANT PIPING LENGTH
Piping length each indoor unit (a, b, c, d) 25m
Total piping length (a+b+c+d) 70m
Bending point for each unit 25
Total bending point 70
It is irrelevant which unit is higher.
ADDITIONAL REFRIGERANT CHARGE
Outdoor unit
precharged
(g)
3,500
Refrigerant piping length (one way, 4 unit total)
40m
0
50m
200
60m
400
70m
Discharge
temperature
thermistor RT62
Capillary tube
4-way valve
600
Power
receiver
Indoor
units
LEV F
Outdoor
heat
exchanger
Outdoor heat
exchanger
temperature
thermistor
RT68
Defrost
thermistor
RT61
Strainer
#100
a
Capillary tube
Distributor
Max.
Height
Ambient
temperature
thermistor
RT65
difference
b
c
Outdoor
unit
15m
15m
10m
d
Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)
Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the
tables below.
When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.
For further information on Different-diameter pipe, refer to "PARTS CATALOG".
Indoor unit
class Pipe diameter
15/20/22/
25/35/42
50
60
71
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 9.52(3/8) Gas 9.52(3/8)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 12.7(1/2) Gas 12.7(1/2)
Liquid 6.35(1/4) Liquid 6.35(1/4)
Gas 15.88(5/8) Gas 15.88(5/8)
Liquid 9.52(3/8) Liquid 9.52(3/8)
Gas 15.88(5/8) Gas 15.88(5/8)
Extension pipe diameter
Outdoor unit union diameter
For
Indoor unit A
Indoor unit B
Indoor unit C
Indoor unit D
Liquid 6.35(1/4)
Liquid 6.35(1/4)
Liquid 6.35(1/4)
Liquid 6.35(1/4)
UNIT: mm (inch)
Gas 12.7(1/2)
Gas 9.52(3/8)
Gas 9.52(3/8)
Gas 9.52(3/8)
30
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